[email protected] | 91854cd | 2012-01-10 19:43:57 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
license.bot | bf09a50 | 2008-08-24 00:55:55 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 4 | |
[email protected] | f9e4dae | 2012-04-10 21:26:37 | [diff] [blame] | 5 | #include "content/browser/web_contents/navigation_controller_impl.h" |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 6 | |
[email protected] | c5b88d8 | 2012-10-06 17:03:33 | [diff] [blame] | 7 | #include "base/bind.h" |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 8 | #include "base/command_line.h" |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 9 | #include "base/file_util.h" |
| 10 | #include "base/logging.h" |
[email protected] | b69934e | 2011-10-29 02:51:52 | [diff] [blame] | 11 | #include "base/string_number_conversions.h" // Temporary |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 12 | #include "base/string_util.h" |
[email protected] | b689fce7 | 2009-03-17 22:45:34 | [diff] [blame] | 13 | #include "base/time.h" |
[email protected] | 252cad6 | 2010-08-18 18:33:57 | [diff] [blame] | 14 | #include "base/utf_string_conversions.h" |
[email protected] | 825b166 | 2012-03-12 19:07:31 | [diff] [blame] | 15 | #include "content/browser/browser_url_handler_impl.h" |
[email protected] | b953542 | 2012-02-09 01:47:59 | [diff] [blame] | 16 | #include "content/browser/child_process_security_policy_impl.h" |
[email protected] | 1ea3c79 | 2012-04-17 01:25:04 | [diff] [blame] | 17 | #include "content/browser/dom_storage/dom_storage_context_impl.h" |
| 18 | #include "content/browser/dom_storage/session_storage_namespace_impl.h" |
[email protected] | b3c41c0b | 2012-03-06 15:48:32 | [diff] [blame] | 19 | #include "content/browser/renderer_host/render_view_host_impl.h" // Temporary |
[email protected] | b658359 | 2012-01-25 19:52:33 | [diff] [blame] | 20 | #include "content/browser/site_instance_impl.h" |
[email protected] | f9e4dae | 2012-04-10 21:26:37 | [diff] [blame] | 21 | #include "content/browser/web_contents/debug_urls.h" |
| 22 | #include "content/browser/web_contents/interstitial_page_impl.h" |
| 23 | #include "content/browser/web_contents/navigation_entry_impl.h" |
[email protected] | 93ddb3c | 2012-04-11 21:44:29 | [diff] [blame] | 24 | #include "content/browser/web_contents/web_contents_impl.h" |
[email protected] | 0aed2f5 | 2011-03-23 18:06:36 | [diff] [blame] | 25 | #include "content/common/view_messages.h" |
[email protected] | ccb79730 | 2011-12-15 16:55:11 | [diff] [blame] | 26 | #include "content/public/browser/browser_context.h" |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 27 | #include "content/public/browser/content_browser_client.h" |
[email protected] | d908348 | 2012-01-06 00:38:46 | [diff] [blame] | 28 | #include "content/public/browser/invalidate_type.h" |
[email protected] | 5b96836f | 2011-12-22 07:39:00 | [diff] [blame] | 29 | #include "content/public/browser/navigation_details.h" |
[email protected] | 7f6f44c | 2011-12-14 13:23:38 | [diff] [blame] | 30 | #include "content/public/browser/notification_service.h" |
[email protected] | 0d6e9bd | 2011-10-18 04:29:16 | [diff] [blame] | 31 | #include "content/public/browser/notification_types.h" |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 32 | #include "content/public/browser/render_widget_host.h" |
| 33 | #include "content/public/browser/render_widget_host_view.h" |
[email protected] | 4c3a2358 | 2012-08-18 08:54:34 | [diff] [blame] | 34 | #include "content/public/browser/storage_partition.h" |
[email protected] | 7f6f44c | 2011-12-14 13:23:38 | [diff] [blame] | 35 | #include "content/public/browser/user_metrics.h" |
[email protected] | 674bc59 | 2011-12-20 23:00:42 | [diff] [blame] | 36 | #include "content/public/browser/web_contents_delegate.h" |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 37 | #include "content/public/common/content_client.h" |
[email protected] | 7f6f44c | 2011-12-14 13:23:38 | [diff] [blame] | 38 | #include "content/public/common/content_constants.h" |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 39 | #include "content/public/common/content_switches.h" |
[email protected] | d1ef81d | 2012-07-24 11:39:36 | [diff] [blame] | 40 | #include "content/public/common/url_constants.h" |
[email protected] | a23de857 | 2009-06-03 02:16:32 | [diff] [blame] | 41 | #include "net/base/escape.h" |
[email protected] | 3168228 | 2010-01-15 18:05:16 | [diff] [blame] | 42 | #include "net/base/mime_util.h" |
[email protected] | 7f070d4 | 2011-03-09 20:25:32 | [diff] [blame] | 43 | #include "net/base/net_util.h" |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 44 | #include "skia/ext/platform_canvas.h" |
| 45 | #include "ui/gfx/codec/png_codec.h" |
[email protected] | bb0e7947 | 2012-10-23 04:36:34 | [diff] [blame] | 46 | #include "webkit/glue/glue_serialize.h" |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 47 | |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 48 | namespace content { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 49 | namespace { |
| 50 | |
[email protected] | 93f230e0 | 2011-06-01 14:40:00 | [diff] [blame] | 51 | const int kInvalidateAll = 0xFFFFFFFF; |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 52 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 53 | // Invoked when entries have been pruned, or removed. For example, if the |
| 54 | // current entries are [google, digg, yahoo], with the current entry google, |
| 55 | // and the user types in cnet, then digg and yahoo are pruned. |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 56 | void NotifyPrunedEntries(NavigationControllerImpl* nav_controller, |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 57 | bool from_front, |
| 58 | int count) { |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 59 | PrunedDetails details; |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 60 | details.from_front = from_front; |
| 61 | details.count = count; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 62 | NotificationService::current()->Notify( |
| 63 | NOTIFICATION_NAV_LIST_PRUNED, |
| 64 | Source<NavigationController>(nav_controller), |
| 65 | Details<PrunedDetails>(&details)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 66 | } |
| 67 | |
| 68 | // Ensure the given NavigationEntry has a valid state, so that WebKit does not |
| 69 | // get confused if we navigate back to it. |
[email protected] | 40bcc30 | 2009-03-02 20:50:39 | [diff] [blame] | 70 | // |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 71 | // An empty state is treated as a new navigation by WebKit, which would mean |
| 72 | // losing the navigation entries and generating a new navigation entry after |
| 73 | // this one. We don't want that. To avoid this we create a valid state which |
| 74 | // WebKit will not treat as a new navigation. |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 75 | void SetContentStateIfEmpty(NavigationEntryImpl* entry) { |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 76 | if (entry->GetContentState().empty()) { |
| 77 | entry->SetContentState( |
| 78 | webkit_glue::CreateHistoryStateForURL(entry->GetURL())); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 79 | } |
| 80 | } |
| 81 | |
[email protected] | 2ca1ea66 | 2012-10-04 02:26:36 | [diff] [blame] | 82 | NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType( |
| 83 | NavigationController::RestoreType type) { |
| 84 | switch (type) { |
| 85 | case NavigationController::RESTORE_CURRENT_SESSION: |
| 86 | return NavigationEntryImpl::RESTORE_CURRENT_SESSION; |
| 87 | case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY: |
| 88 | return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY; |
| 89 | case NavigationController::RESTORE_LAST_SESSION_CRASHED: |
| 90 | return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED; |
| 91 | } |
| 92 | NOTREACHED(); |
| 93 | return NavigationEntryImpl::RESTORE_CURRENT_SESSION; |
| 94 | } |
| 95 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 96 | // Configure all the NavigationEntries in entries for restore. This resets |
| 97 | // the transition type to reload and makes sure the content state isn't empty. |
| 98 | void ConfigureEntriesForRestore( |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 99 | std::vector<linked_ptr<NavigationEntryImpl> >* entries, |
[email protected] | 2ca1ea66 | 2012-10-04 02:26:36 | [diff] [blame] | 100 | NavigationController::RestoreType type) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 101 | for (size_t i = 0; i < entries->size(); ++i) { |
| 102 | // Use a transition type of reload so that we don't incorrectly increase |
| 103 | // the typed count. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 104 | (*entries)[i]->SetTransitionType(PAGE_TRANSITION_RELOAD); |
[email protected] | 2ca1ea66 | 2012-10-04 02:26:36 | [diff] [blame] | 105 | (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 106 | // NOTE(darin): This code is only needed for backwards compat. |
| 107 | SetContentStateIfEmpty((*entries)[i].get()); |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | // See NavigationController::IsURLInPageNavigation for how this works and why. |
[email protected] | ce760d74 | 2012-08-30 22:31:10 | [diff] [blame] | 112 | bool AreURLsInPageNavigation(const GURL& existing_url, |
| 113 | const GURL& new_url, |
| 114 | bool renderer_says_in_page) { |
| 115 | if (existing_url == new_url) |
| 116 | return renderer_says_in_page; |
| 117 | |
| 118 | if (!new_url.has_ref()) { |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 119 | // TODO(jcampan): what about when navigating back from a ref URL to the top |
| 120 | // non ref URL? Nothing is loaded in that case but we return false here. |
| 121 | // The user could also navigate from the ref URL to the non ref URL by |
| 122 | // entering the non ref URL in the location bar or through a bookmark, in |
| 123 | // which case there would be a load. I am not sure if the non-load/load |
| 124 | // scenarios can be differentiated with the TransitionType. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 125 | return false; |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 126 | } |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 127 | |
| 128 | url_canon::Replacements<char> replacements; |
| 129 | replacements.ClearRef(); |
| 130 | return existing_url.ReplaceComponents(replacements) == |
| 131 | new_url.ReplaceComponents(replacements); |
| 132 | } |
| 133 | |
[email protected] | bf70edce | 2012-06-20 22:32:22 | [diff] [blame] | 134 | // Determines whether or not we should be carrying over a user agent override |
| 135 | // between two NavigationEntries. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 136 | bool ShouldKeepOverride(const NavigationEntry* last_entry) { |
[email protected] | bf70edce | 2012-06-20 22:32:22 | [diff] [blame] | 137 | return last_entry && last_entry->GetIsOverridingUserAgent(); |
| 138 | } |
| 139 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 140 | } // namespace |
| 141 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 142 | // NavigationControllerImpl ---------------------------------------------------- |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 143 | |
[email protected] | 9b51970d | 2011-12-09 23:10:23 | [diff] [blame] | 144 | const size_t kMaxEntryCountForTestingNotSet = -1; |
| 145 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 146 | // static |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 147 | size_t NavigationControllerImpl::max_entry_count_for_testing_ = |
[email protected] | 9b51970d | 2011-12-09 23:10:23 | [diff] [blame] | 148 | kMaxEntryCountForTestingNotSet; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 149 | |
[email protected] | cdcb1dee | 2012-01-04 00:46:20 | [diff] [blame] | 150 | // Should Reload check for post data? The default is true, but is set to false |
| 151 | // when testing. |
| 152 | static bool g_check_for_repost = true; |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 153 | |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 154 | // static |
[email protected] | cdcb1dee | 2012-01-04 00:46:20 | [diff] [blame] | 155 | NavigationEntry* NavigationController::CreateNavigationEntry( |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 156 | const GURL& url, |
[email protected] | cdcb1dee | 2012-01-04 00:46:20 | [diff] [blame] | 157 | const Referrer& referrer, |
| 158 | PageTransition transition, |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 159 | bool is_renderer_initiated, |
| 160 | const std::string& extra_headers, |
[email protected] | cdcb1dee | 2012-01-04 00:46:20 | [diff] [blame] | 161 | BrowserContext* browser_context) { |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 162 | // Allow the browser URL handler to rewrite the URL. This will, for example, |
| 163 | // remove "view-source:" from the beginning of the URL to get the URL that |
| 164 | // will actually be loaded. This real URL won't be shown to the user, just |
| 165 | // used internally. |
| 166 | GURL loaded_url(url); |
| 167 | bool reverse_on_redirect = false; |
[email protected] | 825b166 | 2012-03-12 19:07:31 | [diff] [blame] | 168 | BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary( |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 169 | &loaded_url, browser_context, &reverse_on_redirect); |
| 170 | |
| 171 | NavigationEntryImpl* entry = new NavigationEntryImpl( |
| 172 | NULL, // The site instance for tabs is sent on navigation |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 173 | // (WebContents::GetSiteInstance). |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 174 | -1, |
| 175 | loaded_url, |
| 176 | referrer, |
| 177 | string16(), |
| 178 | transition, |
| 179 | is_renderer_initiated); |
| 180 | entry->SetVirtualURL(url); |
| 181 | entry->set_user_typed_url(url); |
| 182 | entry->set_update_virtual_url_with_url(reverse_on_redirect); |
| 183 | entry->set_extra_headers(extra_headers); |
| 184 | return entry; |
| 185 | } |
| 186 | |
[email protected] | cdcb1dee | 2012-01-04 00:46:20 | [diff] [blame] | 187 | // static |
| 188 | void NavigationController::DisablePromptOnRepost() { |
| 189 | g_check_for_repost = false; |
| 190 | } |
| 191 | |
[email protected] | c5b88d8 | 2012-10-06 17:03:33 | [diff] [blame] | 192 | base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime( |
| 193 | base::Time t) { |
| 194 | // If |t| is between the water marks, we're in a run of duplicates |
| 195 | // or just getting out of it, so increase the high-water mark to get |
| 196 | // a time that probably hasn't been used before and return it. |
| 197 | if (low_water_mark_ <= t && t <= high_water_mark_) { |
| 198 | high_water_mark_ += base::TimeDelta::FromMicroseconds(1); |
| 199 | return high_water_mark_; |
| 200 | } |
| 201 | |
| 202 | // Otherwise, we're clear of the last duplicate run, so reset the |
| 203 | // water marks. |
| 204 | low_water_mark_ = high_water_mark_ = t; |
| 205 | return t; |
| 206 | } |
| 207 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 208 | NavigationControllerImpl::NavigationControllerImpl( |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 209 | WebContentsImpl* web_contents, |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 210 | BrowserContext* browser_context) |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 211 | : browser_context_(browser_context), |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 212 | pending_entry_(NULL), |
| 213 | last_committed_entry_index_(-1), |
| 214 | pending_entry_index_(-1), |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 215 | transient_entry_index_(-1), |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 216 | web_contents_(web_contents), |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 217 | max_restored_page_id_(-1), |
[email protected] | 5d06384 | 2009-05-15 04:08:24 | [diff] [blame] | 218 | ALLOW_THIS_IN_INITIALIZER_LIST(ssl_manager_(this)), |
[email protected] | 38b8f4e | 2009-09-24 19:44:57 | [diff] [blame] | 219 | needs_reload_(false), |
[email protected] | 27ba81c | 2012-08-21 17:04:09 | [diff] [blame] | 220 | is_initial_navigation_(true), |
[email protected] | c5b88d8 | 2012-10-06 17:03:33 | [diff] [blame] | 221 | pending_reload_(NO_RELOAD), |
[email protected] | 8cea789 | 2013-02-06 06:49:31 | [diff] [blame] | 222 | get_timestamp_callback_(base::Bind(&base::Time::Now)), |
| 223 | ALLOW_THIS_IN_INITIALIZER_LIST(take_screenshot_factory_(this)) { |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 224 | DCHECK(browser_context_); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 225 | } |
| 226 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 227 | NavigationControllerImpl::~NavigationControllerImpl() { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 228 | DiscardNonCommittedEntriesInternal(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 229 | } |
| 230 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 231 | WebContents* NavigationControllerImpl::GetWebContents() const { |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 232 | return web_contents_; |
[email protected] | fbc5e5f9 | 2012-01-02 06:08:32 | [diff] [blame] | 233 | } |
| 234 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 235 | BrowserContext* NavigationControllerImpl::GetBrowserContext() const { |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 236 | return browser_context_; |
| 237 | } |
| 238 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 239 | void NavigationControllerImpl::SetBrowserContext( |
| 240 | BrowserContext* browser_context) { |
[email protected] | cdcb1dee | 2012-01-04 00:46:20 | [diff] [blame] | 241 | browser_context_ = browser_context; |
| 242 | } |
| 243 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 244 | void NavigationControllerImpl::Restore( |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 245 | int selected_navigation, |
[email protected] | 2ca1ea66 | 2012-10-04 02:26:36 | [diff] [blame] | 246 | RestoreType type, |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 247 | std::vector<NavigationEntry*>* entries) { |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 248 | // Verify that this controller is unused and that the input is valid. |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 249 | DCHECK(GetEntryCount() == 0 && !GetPendingEntry()); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 250 | DCHECK(selected_navigation >= 0 && |
[email protected] | 03838e2 | 2011-06-06 15:27:14 | [diff] [blame] | 251 | selected_navigation < static_cast<int>(entries->size())); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 252 | |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 253 | needs_reload_ = true; |
[email protected] | ad23a09 | 2011-12-28 07:02:04 | [diff] [blame] | 254 | for (size_t i = 0; i < entries->size(); ++i) { |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 255 | NavigationEntryImpl* entry = |
| 256 | NavigationEntryImpl::FromNavigationEntry((*entries)[i]); |
| 257 | entries_.push_back(linked_ptr<NavigationEntryImpl>(entry)); |
[email protected] | ad23a09 | 2011-12-28 07:02:04 | [diff] [blame] | 258 | } |
[email protected] | 03838e2 | 2011-06-06 15:27:14 | [diff] [blame] | 259 | entries->clear(); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 260 | |
| 261 | // And finish the restore. |
[email protected] | 2ca1ea66 | 2012-10-04 02:26:36 | [diff] [blame] | 262 | FinishRestore(selected_navigation, type); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 263 | } |
| 264 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 265 | void NavigationControllerImpl::Reload(bool check_for_repost) { |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 266 | ReloadInternal(check_for_repost, RELOAD); |
| 267 | } |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 268 | void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) { |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 269 | ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE); |
| 270 | } |
[email protected] | 7c16976c | 2012-08-04 02:38:23 | [diff] [blame] | 271 | void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) { |
| 272 | ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL); |
| 273 | } |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 274 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 275 | void NavigationControllerImpl::ReloadInternal(bool check_for_repost, |
| 276 | ReloadType reload_type) { |
[email protected] | 669e0ba | 2012-08-30 23:57:36 | [diff] [blame] | 277 | if (transient_entry_index_ != -1) { |
| 278 | // If an interstitial is showing, treat a reload as a navigation to the |
| 279 | // transient entry's URL. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 280 | NavigationEntryImpl* active_entry = |
[email protected] | 669e0ba | 2012-08-30 23:57:36 | [diff] [blame] | 281 | NavigationEntryImpl::FromNavigationEntry(GetActiveEntry()); |
| 282 | if (!active_entry) |
| 283 | return; |
| 284 | LoadURL(active_entry->GetURL(), |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 285 | Referrer(), |
| 286 | PAGE_TRANSITION_RELOAD, |
[email protected] | 669e0ba | 2012-08-30 23:57:36 | [diff] [blame] | 287 | active_entry->extra_headers()); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 288 | return; |
[email protected] | 669e0ba | 2012-08-30 23:57:36 | [diff] [blame] | 289 | } |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 290 | |
| 291 | DiscardNonCommittedEntriesInternal(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 292 | int current_index = GetCurrentEntryIndex(); |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 293 | // If we are no where, then we can't reload. TODO(darin): We should add a |
| 294 | // CanReload method. |
| 295 | if (current_index == -1) { |
| 296 | return; |
| 297 | } |
| 298 | |
[email protected] | cdcb1dee | 2012-01-04 00:46:20 | [diff] [blame] | 299 | if (g_check_for_repost && check_for_repost && |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 300 | GetEntryAtIndex(current_index)->GetHasPostData()) { |
[email protected] | a3a1d14 | 2008-12-19 00:42:30 | [diff] [blame] | 301 | // The user is asking to reload a page with POST data. Prompt to make sure |
[email protected] | b5bb35f | 2009-02-05 20:17:07 | [diff] [blame] | 302 | // they really want to do this. If they do, the dialog will call us back |
| 303 | // with check_for_repost = false. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 304 | NotificationService::current()->Notify( |
| 305 | NOTIFICATION_REPOST_WARNING_SHOWN, |
| 306 | Source<NavigationController>(this), |
| 307 | NotificationService::NoDetails()); |
[email protected] | 965bb09 | 2010-04-09 11:59:02 | [diff] [blame] | 308 | |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 309 | pending_reload_ = reload_type; |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 310 | web_contents_->Activate(); |
| 311 | web_contents_->GetDelegate()->ShowRepostFormWarningDialog(web_contents_); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 312 | } else { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 313 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 314 | |
[email protected] | bcd90448 | 2012-02-01 01:54:22 | [diff] [blame] | 315 | NavigationEntryImpl* entry = entries_[current_index].get(); |
| 316 | SiteInstanceImpl* site_instance = entry->site_instance(); |
| 317 | DCHECK(site_instance); |
[email protected] | c3b3d95 | 2012-01-31 12:52:26 | [diff] [blame] | 318 | |
[email protected] | bcd90448 | 2012-02-01 01:54:22 | [diff] [blame] | 319 | // If we are reloading an entry that no longer belongs to the current |
| 320 | // site instance (for example, refreshing a page for just installed app), |
| 321 | // the reload must happen in a new process. |
| 322 | // The new entry must have a new page_id and site instance, so it behaves |
| 323 | // as new navigation (which happens to clear forward history). |
[email protected] | 7e58cb27 | 2012-03-30 21:22:30 | [diff] [blame] | 324 | // Tabs that are discarded due to low memory conditions may not have a site |
| 325 | // instance, and should not be treated as a cross-site reload. |
| 326 | if (site_instance && |
| 327 | site_instance->HasWrongProcessForURL(entry->GetURL())) { |
[email protected] | bcd90448 | 2012-02-01 01:54:22 | [diff] [blame] | 328 | // Create a navigation entry that resembles the current one, but do not |
[email protected] | 688aa65c6 | 2012-09-28 04:32:22 | [diff] [blame] | 329 | // copy page id, site instance, content state, or timestamp. |
[email protected] | bcd90448 | 2012-02-01 01:54:22 | [diff] [blame] | 330 | NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry( |
| 331 | CreateNavigationEntry( |
| 332 | entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(), |
| 333 | false, entry->extra_headers(), browser_context_)); |
[email protected] | c3b3d95 | 2012-01-31 12:52:26 | [diff] [blame] | 334 | |
[email protected] | 1153596 | 2012-02-09 21:02:10 | [diff] [blame] | 335 | // Mark the reload type as NO_RELOAD, so navigation will not be considered |
| 336 | // a reload in the renderer. |
| 337 | reload_type = NavigationController::NO_RELOAD; |
| 338 | |
[email protected] | e2caa03 | 2012-11-15 23:29:18 | [diff] [blame] | 339 | nav_entry->set_should_replace_entry(true); |
[email protected] | bcd90448 | 2012-02-01 01:54:22 | [diff] [blame] | 340 | pending_entry_ = nav_entry; |
| 341 | } else { |
| 342 | pending_entry_index_ = current_index; |
| 343 | |
| 344 | // The title of the page being reloaded might have been removed in the |
| 345 | // meanwhile, so we need to revert to the default title upon reload and |
| 346 | // invalidate the previously cached title (SetTitle will do both). |
| 347 | // See Chromium issue 96041. |
| 348 | entries_[pending_entry_index_]->SetTitle(string16()); |
| 349 | |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 350 | entries_[pending_entry_index_]->SetTransitionType(PAGE_TRANSITION_RELOAD); |
[email protected] | bcd90448 | 2012-02-01 01:54:22 | [diff] [blame] | 351 | } |
| 352 | |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 353 | NavigateToPendingEntry(reload_type); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 354 | } |
| 355 | } |
| 356 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 357 | void NavigationControllerImpl::CancelPendingReload() { |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 358 | DCHECK(pending_reload_ != NO_RELOAD); |
| 359 | pending_reload_ = NO_RELOAD; |
| 360 | } |
| 361 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 362 | void NavigationControllerImpl::ContinuePendingReload() { |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 363 | if (pending_reload_ == NO_RELOAD) { |
| 364 | NOTREACHED(); |
| 365 | } else { |
| 366 | ReloadInternal(false, pending_reload_); |
[email protected] | 965bb09 | 2010-04-09 11:59:02 | [diff] [blame] | 367 | pending_reload_ = NO_RELOAD; |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 368 | } |
| 369 | } |
| 370 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 371 | bool NavigationControllerImpl::IsInitialNavigation() { |
[email protected] | 27ba81c | 2012-08-21 17:04:09 | [diff] [blame] | 372 | return is_initial_navigation_; |
[email protected] | c70f9b8 | 2010-04-21 07:31:11 | [diff] [blame] | 373 | } |
| 374 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 375 | NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID( |
[email protected] | b658359 | 2012-01-25 19:52:33 | [diff] [blame] | 376 | SiteInstance* instance, int32 page_id) const { |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 377 | int index = GetEntryIndexWithPageID(instance, page_id); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 378 | return (index != -1) ? entries_[index].get() : NULL; |
| 379 | } |
| 380 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 381 | void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) { |
[email protected] | 419a057 | 2011-04-18 22:21:46 | [diff] [blame] | 382 | // Don't navigate to URLs disabled by policy. This prevents showing the URL |
| 383 | // on the Omnibar when it is also going to be blocked by |
| 384 | // ChildProcessSecurityPolicy::CanRequestURL. |
[email protected] | b953542 | 2012-02-09 01:47:59 | [diff] [blame] | 385 | ChildProcessSecurityPolicyImpl* policy = |
| 386 | ChildProcessSecurityPolicyImpl::GetInstance(); |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 387 | if (policy->IsDisabledScheme(entry->GetURL().scheme()) || |
| 388 | policy->IsDisabledScheme(entry->GetVirtualURL().scheme())) { |
[email protected] | 419a057 | 2011-04-18 22:21:46 | [diff] [blame] | 389 | VLOG(1) << "URL not loaded because the scheme is blocked by policy: " |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 390 | << entry->GetURL(); |
[email protected] | 419a057 | 2011-04-18 22:21:46 | [diff] [blame] | 391 | delete entry; |
| 392 | return; |
| 393 | } |
| 394 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 395 | // When navigating to a new page, we don't know for sure if we will actually |
| 396 | // end up leaving the current page. The new page load could for example |
| 397 | // result in a download or a 'no content' response (e.g., a mailto: URL). |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 398 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 399 | pending_entry_ = entry; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 400 | NotificationService::current()->Notify( |
| 401 | NOTIFICATION_NAV_ENTRY_PENDING, |
| 402 | Source<NavigationController>(this), |
| 403 | Details<NavigationEntry>(entry)); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 404 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 405 | } |
| 406 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 407 | NavigationEntry* NavigationControllerImpl::GetActiveEntry() const { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 408 | if (transient_entry_index_ != -1) |
| 409 | return entries_[transient_entry_index_].get(); |
| 410 | if (pending_entry_) |
| 411 | return pending_entry_; |
| 412 | return GetLastCommittedEntry(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 413 | } |
| 414 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 415 | NavigationEntry* NavigationControllerImpl::GetVisibleEntry() const { |
[email protected] | 867e1f9 | 2011-08-30 19:01:19 | [diff] [blame] | 416 | if (transient_entry_index_ != -1) |
| 417 | return entries_[transient_entry_index_].get(); |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 418 | // Only return the pending_entry for new (non-history), browser-initiated |
| 419 | // navigations, in order to prevent URL spoof attacks. |
| 420 | // Ideally we would also show the pending entry's URL for new renderer- |
| 421 | // initiated navigations with no last committed entry (e.g., a link opening |
| 422 | // in a new tab), but an attacker can insert content into the about:blank |
| 423 | // page while the pending URL loads in that case. |
| 424 | if (pending_entry_ && |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 425 | pending_entry_->GetPageID() == -1 && |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 426 | !pending_entry_->is_renderer_initiated()) |
[email protected] | 867e1f9 | 2011-08-30 19:01:19 | [diff] [blame] | 427 | return pending_entry_; |
| 428 | return GetLastCommittedEntry(); |
| 429 | } |
| 430 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 431 | int NavigationControllerImpl::GetCurrentEntryIndex() const { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 432 | if (transient_entry_index_ != -1) |
| 433 | return transient_entry_index_; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 434 | if (pending_entry_index_ != -1) |
| 435 | return pending_entry_index_; |
| 436 | return last_committed_entry_index_; |
| 437 | } |
| 438 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 439 | NavigationEntry* NavigationControllerImpl::GetLastCommittedEntry() const { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 440 | if (last_committed_entry_index_ == -1) |
| 441 | return NULL; |
| 442 | return entries_[last_committed_entry_index_].get(); |
| 443 | } |
| 444 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 445 | bool NavigationControllerImpl::CanViewSource() const { |
[email protected] | 9d86c498 | 2013-01-09 00:38:34 | [diff] [blame] | 446 | const std::string& mime_type = web_contents_->GetContentsMimeType(); |
| 447 | bool is_viewable_mime_type = net::IsSupportedNonImageMimeType(mime_type) && |
| 448 | !net::IsSupportedMediaMimeType(mime_type); |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 449 | NavigationEntry* active_entry = GetActiveEntry(); |
[email protected] | 3168228 | 2010-01-15 18:05:16 | [diff] [blame] | 450 | return active_entry && !active_entry->IsViewSourceMode() && |
[email protected] | 9d86c498 | 2013-01-09 00:38:34 | [diff] [blame] | 451 | is_viewable_mime_type && !web_contents_->GetInterstitialPage(); |
[email protected] | 3168228 | 2010-01-15 18:05:16 | [diff] [blame] | 452 | } |
| 453 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 454 | int NavigationControllerImpl::GetLastCommittedEntryIndex() const { |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 455 | return last_committed_entry_index_; |
| 456 | } |
| 457 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 458 | int NavigationControllerImpl::GetEntryCount() const { |
[email protected] | 944822b | 2012-03-02 20:57:25 | [diff] [blame] | 459 | DCHECK(entries_.size() <= max_entry_count()); |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 460 | return static_cast<int>(entries_.size()); |
| 461 | } |
| 462 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 463 | NavigationEntry* NavigationControllerImpl::GetEntryAtIndex( |
[email protected] | 022af74 | 2011-12-28 18:37:25 | [diff] [blame] | 464 | int index) const { |
| 465 | return entries_.at(index).get(); |
| 466 | } |
| 467 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 468 | NavigationEntry* NavigationControllerImpl::GetEntryAtOffset( |
[email protected] | 022af74 | 2011-12-28 18:37:25 | [diff] [blame] | 469 | int offset) const { |
[email protected] | 9ba1405 | 2012-06-22 23:50:03 | [diff] [blame] | 470 | int index = GetIndexForOffset(offset); |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 471 | if (index < 0 || index >= GetEntryCount()) |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 472 | return NULL; |
| 473 | |
| 474 | return entries_[index].get(); |
| 475 | } |
| 476 | |
[email protected] | 9ba1405 | 2012-06-22 23:50:03 | [diff] [blame] | 477 | int NavigationControllerImpl::GetIndexForOffset(int offset) const { |
[email protected] | 7bc2b03 | 2012-12-19 22:45:46 | [diff] [blame] | 478 | return GetCurrentEntryIndex() + offset; |
[email protected] | 9ba1405 | 2012-06-22 23:50:03 | [diff] [blame] | 479 | } |
| 480 | |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 481 | void NavigationControllerImpl::TakeScreenshot() { |
[email protected] | b75ba13 | 2013-02-26 19:38:31 | [diff] [blame] | 482 | static bool overscroll_enabled = !CommandLine::ForCurrentProcess()-> |
| 483 | HasSwitch(switches::kDisableOverscrollHistoryNavigation); |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 484 | if (!overscroll_enabled) |
| 485 | return; |
| 486 | |
| 487 | NavigationEntryImpl* entry = |
| 488 | NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()); |
| 489 | if (!entry) |
| 490 | return; |
| 491 | |
| 492 | RenderViewHost* render_view_host = web_contents_->GetRenderViewHost(); |
[email protected] | 6c83c38 | 2013-01-24 20:46:01 | [diff] [blame] | 493 | if (!static_cast<RenderViewHostImpl*> |
| 494 | (render_view_host)->overscroll_controller()) { |
| 495 | return; |
| 496 | } |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 497 | content::RenderWidgetHostView* view = render_view_host->GetView(); |
| 498 | if (!view) |
| 499 | return; |
| 500 | |
[email protected] | e3d92a7f | 2013-01-10 02:35:05 | [diff] [blame] | 501 | if (!take_screenshot_callback_.is_null()) |
| 502 | take_screenshot_callback_.Run(render_view_host); |
| 503 | |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 504 | render_view_host->CopyFromBackingStore(gfx::Rect(), |
| 505 | view->GetViewBounds().size(), |
| 506 | base::Bind(&NavigationControllerImpl::OnScreenshotTaken, |
[email protected] | 8cea789 | 2013-02-06 06:49:31 | [diff] [blame] | 507 | take_screenshot_factory_.GetWeakPtr(), |
[email protected] | d748d0f | 2013-02-02 23:31:07 | [diff] [blame] | 508 | entry->GetUniqueID())); |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 509 | } |
| 510 | |
| 511 | void NavigationControllerImpl::OnScreenshotTaken( |
| 512 | int unique_id, |
[email protected] | d748d0f | 2013-02-02 23:31:07 | [diff] [blame] | 513 | bool success, |
| 514 | const SkBitmap& bitmap) { |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 515 | NavigationEntryImpl* entry = NULL; |
| 516 | for (NavigationEntries::iterator i = entries_.begin(); |
| 517 | i != entries_.end(); |
| 518 | ++i) { |
| 519 | if ((*i)->GetUniqueID() == unique_id) { |
| 520 | entry = (*i).get(); |
| 521 | break; |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | if (!entry) { |
| 526 | LOG(ERROR) << "Invalid entry with unique id: " << unique_id; |
| 527 | return; |
| 528 | } |
| 529 | |
[email protected] | d338e3d6 | 2013-02-05 08:20:28 | [diff] [blame] | 530 | if (!success || bitmap.empty() || bitmap.isNull()) { |
[email protected] | 06211bd9b | 2013-01-18 02:12:53 | [diff] [blame] | 531 | ClearScreenshot(entry); |
[email protected] | 79a7d9a | 2013-01-16 03:45:52 | [diff] [blame] | 532 | return; |
| 533 | } |
| 534 | |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 535 | std::vector<unsigned char> data; |
[email protected] | d748d0f | 2013-02-02 23:31:07 | [diff] [blame] | 536 | if (gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, true, &data)) { |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 537 | entry->SetScreenshotPNGData(data); |
[email protected] | 06211bd9b | 2013-01-18 02:12:53 | [diff] [blame] | 538 | PurgeScreenshotsIfNecessary(); |
| 539 | } else { |
| 540 | ClearScreenshot(entry); |
| 541 | } |
[email protected] | 06211bd9b | 2013-01-18 02:12:53 | [diff] [blame] | 542 | } |
| 543 | |
[email protected] | c87b909 | 2013-02-03 05:41:42 | [diff] [blame] | 544 | bool NavigationControllerImpl::ClearScreenshot(NavigationEntryImpl* entry) { |
| 545 | if (!entry->screenshot()) |
| 546 | return false; |
| 547 | |
| 548 | entry->SetScreenshotPNGData(std::vector<unsigned char>()); |
| 549 | return true; |
[email protected] | 06211bd9b | 2013-01-18 02:12:53 | [diff] [blame] | 550 | } |
| 551 | |
| 552 | void NavigationControllerImpl::PurgeScreenshotsIfNecessary() { |
| 553 | // Allow only a certain number of entries to keep screenshots. |
| 554 | const int kMaxScreenshots = 10; |
[email protected] | c87b909 | 2013-02-03 05:41:42 | [diff] [blame] | 555 | int screenshot_count = GetScreenshotCount(); |
| 556 | if (screenshot_count < kMaxScreenshots) |
[email protected] | 06211bd9b | 2013-01-18 02:12:53 | [diff] [blame] | 557 | return; |
| 558 | |
| 559 | const int current = GetCurrentEntryIndex(); |
| 560 | const int num_entries = GetEntryCount(); |
| 561 | int available_slots = kMaxScreenshots; |
| 562 | if (NavigationEntryImpl::FromNavigationEntry( |
| 563 | GetEntryAtIndex(current))->screenshot()) |
| 564 | --available_slots; |
| 565 | |
| 566 | // Keep screenshots closer to the current navigation entry, and purge the ones |
| 567 | // that are farther away from it. So in each step, look at the entries at |
| 568 | // each offset on both the back and forward history, and start counting them |
| 569 | // to make sure that the correct number of screenshots are kept in memory. |
| 570 | // Note that it is possible for some entries to be missing screenshots (e.g. |
| 571 | // when taking the screenshot failed for some reason). So there may be a state |
| 572 | // where there are a lot of entries in the back history, but none of them has |
| 573 | // any screenshot. In such cases, keep the screenshots for |kMaxScreenshots| |
| 574 | // entries in the forward history list. |
| 575 | int back = current - 1; |
| 576 | int forward = current + 1; |
| 577 | while (available_slots > 0 && (back >= 0 || forward < num_entries)) { |
| 578 | if (back >= 0) { |
| 579 | NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry( |
| 580 | GetEntryAtIndex(back)); |
| 581 | if (entry->screenshot()) |
| 582 | --available_slots; |
| 583 | --back; |
| 584 | } |
| 585 | |
| 586 | if (available_slots > 0 && forward < num_entries) { |
| 587 | NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry( |
| 588 | GetEntryAtIndex(forward)); |
| 589 | if (entry->screenshot()) |
| 590 | --available_slots; |
| 591 | ++forward; |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | // Purge any screenshot at |back| or lower indices, and |forward| or higher |
| 596 | // indices. |
| 597 | |
[email protected] | c87b909 | 2013-02-03 05:41:42 | [diff] [blame] | 598 | while (screenshot_count > kMaxScreenshots && back >= 0) { |
[email protected] | 06211bd9b | 2013-01-18 02:12:53 | [diff] [blame] | 599 | NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry( |
| 600 | GetEntryAtIndex(back)); |
[email protected] | c87b909 | 2013-02-03 05:41:42 | [diff] [blame] | 601 | if (ClearScreenshot(entry)) |
| 602 | --screenshot_count; |
[email protected] | 06211bd9b | 2013-01-18 02:12:53 | [diff] [blame] | 603 | --back; |
| 604 | } |
| 605 | |
[email protected] | c87b909 | 2013-02-03 05:41:42 | [diff] [blame] | 606 | while (screenshot_count > kMaxScreenshots && forward < num_entries) { |
[email protected] | 06211bd9b | 2013-01-18 02:12:53 | [diff] [blame] | 607 | NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry( |
| 608 | GetEntryAtIndex(forward)); |
[email protected] | c87b909 | 2013-02-03 05:41:42 | [diff] [blame] | 609 | if (ClearScreenshot(entry)) |
| 610 | --screenshot_count; |
[email protected] | 06211bd9b | 2013-01-18 02:12:53 | [diff] [blame] | 611 | ++forward; |
| 612 | } |
[email protected] | c87b909 | 2013-02-03 05:41:42 | [diff] [blame] | 613 | CHECK_GE(screenshot_count, 0); |
| 614 | CHECK_LE(screenshot_count, kMaxScreenshots); |
| 615 | } |
| 616 | |
| 617 | int NavigationControllerImpl::GetScreenshotCount() const { |
| 618 | int count = 0; |
| 619 | for (NavigationEntries::const_iterator it = entries_.begin(); |
| 620 | it != entries_.end(); ++it) { |
| 621 | NavigationEntryImpl* entry = |
| 622 | NavigationEntryImpl::FromNavigationEntry(it->get()); |
| 623 | if (entry->screenshot()) |
| 624 | count++; |
| 625 | } |
| 626 | return count; |
[email protected] | 9677a3c | 2012-12-22 04:18:58 | [diff] [blame] | 627 | } |
| 628 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 629 | bool NavigationControllerImpl::CanGoBack() const { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 630 | return entries_.size() > 1 && GetCurrentEntryIndex() > 0; |
| 631 | } |
| 632 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 633 | bool NavigationControllerImpl::CanGoForward() const { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 634 | int index = GetCurrentEntryIndex(); |
| 635 | return index >= 0 && index < (static_cast<int>(entries_.size()) - 1); |
| 636 | } |
| 637 | |
[email protected] | 9ba1405 | 2012-06-22 23:50:03 | [diff] [blame] | 638 | bool NavigationControllerImpl::CanGoToOffset(int offset) const { |
| 639 | int index = GetIndexForOffset(offset); |
| 640 | return index >= 0 && index < GetEntryCount(); |
| 641 | } |
| 642 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 643 | void NavigationControllerImpl::GoBack() { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 644 | if (!CanGoBack()) { |
| 645 | NOTREACHED(); |
| 646 | return; |
| 647 | } |
| 648 | |
| 649 | // Base the navigation on where we are now... |
| 650 | int current_index = GetCurrentEntryIndex(); |
| 651 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 652 | DiscardNonCommittedEntries(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 653 | |
| 654 | pending_entry_index_ = current_index - 1; |
[email protected] | 022af74 | 2011-12-28 18:37:25 | [diff] [blame] | 655 | entries_[pending_entry_index_]->SetTransitionType( |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 656 | PageTransitionFromInt( |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 657 | entries_[pending_entry_index_]->GetTransitionType() | |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 658 | PAGE_TRANSITION_FORWARD_BACK)); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 659 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 660 | } |
| 661 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 662 | void NavigationControllerImpl::GoForward() { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 663 | if (!CanGoForward()) { |
| 664 | NOTREACHED(); |
| 665 | return; |
| 666 | } |
| 667 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 668 | bool transient = (transient_entry_index_ != -1); |
| 669 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 670 | // Base the navigation on where we are now... |
| 671 | int current_index = GetCurrentEntryIndex(); |
| 672 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 673 | DiscardNonCommittedEntries(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 674 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 675 | pending_entry_index_ = current_index; |
| 676 | // If there was a transient entry, we removed it making the current index |
| 677 | // the next page. |
| 678 | if (!transient) |
| 679 | pending_entry_index_++; |
| 680 | |
[email protected] | 022af74 | 2011-12-28 18:37:25 | [diff] [blame] | 681 | entries_[pending_entry_index_]->SetTransitionType( |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 682 | PageTransitionFromInt( |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 683 | entries_[pending_entry_index_]->GetTransitionType() | |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 684 | PAGE_TRANSITION_FORWARD_BACK)); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 685 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 686 | } |
| 687 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 688 | void NavigationControllerImpl::GoToIndex(int index) { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 689 | if (index < 0 || index >= static_cast<int>(entries_.size())) { |
| 690 | NOTREACHED(); |
| 691 | return; |
| 692 | } |
| 693 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 694 | if (transient_entry_index_ != -1) { |
| 695 | if (index == transient_entry_index_) { |
| 696 | // Nothing to do when navigating to the transient. |
| 697 | return; |
| 698 | } |
| 699 | if (index > transient_entry_index_) { |
| 700 | // Removing the transient is goint to shift all entries by 1. |
| 701 | index--; |
| 702 | } |
| 703 | } |
| 704 | |
| 705 | DiscardNonCommittedEntries(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 706 | |
| 707 | pending_entry_index_ = index; |
[email protected] | 022af74 | 2011-12-28 18:37:25 | [diff] [blame] | 708 | entries_[pending_entry_index_]->SetTransitionType( |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 709 | PageTransitionFromInt( |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 710 | entries_[pending_entry_index_]->GetTransitionType() | |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 711 | PAGE_TRANSITION_FORWARD_BACK)); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 712 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 713 | } |
| 714 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 715 | void NavigationControllerImpl::GoToOffset(int offset) { |
[email protected] | 9ba1405 | 2012-06-22 23:50:03 | [diff] [blame] | 716 | if (!CanGoToOffset(offset)) |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 717 | return; |
| 718 | |
[email protected] | 9ba1405 | 2012-06-22 23:50:03 | [diff] [blame] | 719 | GoToIndex(GetIndexForOffset(offset)); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 720 | } |
| 721 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 722 | void NavigationControllerImpl::RemoveEntryAtIndex(int index) { |
[email protected] | 6a13a6c | 2011-12-20 21:47:12 | [diff] [blame] | 723 | if (index == last_committed_entry_index_) |
| 724 | return; |
| 725 | |
[email protected] | 4303234 | 2011-03-21 14:10:31 | [diff] [blame] | 726 | RemoveEntryAtIndexInternal(index); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 727 | } |
| 728 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 729 | void NavigationControllerImpl::UpdateVirtualURLToURL( |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 730 | NavigationEntryImpl* entry, const GURL& new_url) { |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 731 | GURL new_virtual_url(new_url); |
[email protected] | 825b166 | 2012-03-12 19:07:31 | [diff] [blame] | 732 | if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite( |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 733 | &new_virtual_url, entry->GetVirtualURL(), browser_context_)) { |
| 734 | entry->SetVirtualURL(new_virtual_url); |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 735 | } |
| 736 | } |
| 737 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 738 | void NavigationControllerImpl::LoadURL( |
[email protected] | 6c6b02d | 2011-09-02 03:36:47 | [diff] [blame] | 739 | const GURL& url, |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 740 | const Referrer& referrer, |
| 741 | PageTransition transition, |
[email protected] | 6c6b02d | 2011-09-02 03:36:47 | [diff] [blame] | 742 | const std::string& extra_headers) { |
[email protected] | cf00233 | 2012-08-14 19:17:47 | [diff] [blame] | 743 | LoadURLParams params(url); |
| 744 | params.referrer = referrer; |
| 745 | params.transition_type = transition; |
| 746 | params.extra_headers = extra_headers; |
| 747 | LoadURLWithParams(params); |
| 748 | } |
| 749 | |
| 750 | void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) { |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 751 | if (HandleDebugURL(params.url, params.transition_type)) |
[email protected] | 8bf104801 | 2012-02-08 01:22:18 | [diff] [blame] | 752 | return; |
| 753 | |
[email protected] | cf00233 | 2012-08-14 19:17:47 | [diff] [blame] | 754 | // Checks based on params.load_type. |
| 755 | switch (params.load_type) { |
| 756 | case LOAD_TYPE_DEFAULT: |
| 757 | break; |
| 758 | case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST: |
| 759 | if (!params.url.SchemeIs(chrome::kHttpScheme) && |
| 760 | !params.url.SchemeIs(chrome::kHttpsScheme)) { |
| 761 | NOTREACHED() << "Http post load must use http(s) scheme."; |
| 762 | return; |
| 763 | } |
| 764 | break; |
| 765 | case LOAD_TYPE_DATA: |
| 766 | if (!params.url.SchemeIs(chrome::kDataScheme)) { |
| 767 | NOTREACHED() << "Data load must use data scheme."; |
| 768 | return; |
| 769 | } |
| 770 | break; |
| 771 | default: |
| 772 | NOTREACHED(); |
| 773 | break; |
| 774 | }; |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 775 | |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 776 | // The user initiated a load, we don't need to reload anymore. |
| 777 | needs_reload_ = false; |
| 778 | |
[email protected] | cf00233 | 2012-08-14 19:17:47 | [diff] [blame] | 779 | bool override = false; |
| 780 | switch (params.override_user_agent) { |
| 781 | case UA_OVERRIDE_INHERIT: |
| 782 | override = ShouldKeepOverride(GetLastCommittedEntry()); |
| 783 | break; |
| 784 | case UA_OVERRIDE_TRUE: |
| 785 | override = true; |
| 786 | break; |
| 787 | case UA_OVERRIDE_FALSE: |
| 788 | override = false; |
| 789 | break; |
| 790 | default: |
| 791 | NOTREACHED(); |
| 792 | break; |
[email protected] | d1ef81d | 2012-07-24 11:39:36 | [diff] [blame] | 793 | } |
| 794 | |
[email protected] | d1ef81d | 2012-07-24 11:39:36 | [diff] [blame] | 795 | NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry( |
| 796 | CreateNavigationEntry( |
[email protected] | cf00233 | 2012-08-14 19:17:47 | [diff] [blame] | 797 | params.url, |
| 798 | params.referrer, |
| 799 | params.transition_type, |
| 800 | params.is_renderer_initiated, |
| 801 | params.extra_headers, |
[email protected] | d1ef81d | 2012-07-24 11:39:36 | [diff] [blame] | 802 | browser_context_)); |
[email protected] | e2caa03 | 2012-11-15 23:29:18 | [diff] [blame] | 803 | if (params.is_cross_site_redirect) |
| 804 | entry->set_should_replace_entry(true); |
[email protected] | cf00233 | 2012-08-14 19:17:47 | [diff] [blame] | 805 | entry->SetIsOverridingUserAgent(override); |
| 806 | entry->set_transferred_global_request_id( |
| 807 | params.transferred_global_request_id); |
[email protected] | d2494ff | 2013-02-20 08:22:37 | [diff] [blame] | 808 | entry->SetFrameToNavigate(params.frame_name); |
[email protected] | d1ef81d | 2012-07-24 11:39:36 | [diff] [blame] | 809 | |
[email protected] | cf00233 | 2012-08-14 19:17:47 | [diff] [blame] | 810 | switch (params.load_type) { |
| 811 | case LOAD_TYPE_DEFAULT: |
| 812 | break; |
| 813 | case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST: |
| 814 | entry->SetHasPostData(true); |
| 815 | entry->SetBrowserInitiatedPostData( |
| 816 | params.browser_initiated_post_data); |
| 817 | break; |
| 818 | case LOAD_TYPE_DATA: |
| 819 | entry->SetBaseURLForDataURL(params.base_url_for_data_url); |
| 820 | entry->SetVirtualURL(params.virtual_url_for_data_url); |
[email protected] | 951a6483 | 2012-10-11 16:26:37 | [diff] [blame] | 821 | entry->SetCanLoadLocalResources(params.can_load_local_resources); |
[email protected] | cf00233 | 2012-08-14 19:17:47 | [diff] [blame] | 822 | break; |
| 823 | default: |
| 824 | NOTREACHED(); |
| 825 | break; |
| 826 | }; |
[email protected] | 132e281a | 2012-07-31 18:32:44 | [diff] [blame] | 827 | |
| 828 | LoadEntry(entry); |
| 829 | } |
| 830 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 831 | void NavigationControllerImpl::DocumentLoadedInFrame() { |
[email protected] | 27ba81c | 2012-08-21 17:04:09 | [diff] [blame] | 832 | is_initial_navigation_ = false; |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 833 | } |
| 834 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 835 | bool NavigationControllerImpl::RendererDidNavigate( |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 836 | const ViewHostMsg_FrameNavigate_Params& params, |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 837 | LoadCommittedDetails* details) { |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 838 | // Save the previous state before we clobber it. |
| 839 | if (GetLastCommittedEntry()) { |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 840 | details->previous_url = GetLastCommittedEntry()->GetURL(); |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 841 | details->previous_entry_index = GetLastCommittedEntryIndex(); |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 842 | } else { |
| 843 | details->previous_url = GURL(); |
| 844 | details->previous_entry_index = -1; |
| 845 | } |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 846 | |
[email protected] | 77362eb | 2011-08-01 17:18:38 | [diff] [blame] | 847 | // If we have a pending entry at this point, it should have a SiteInstance. |
| 848 | // Restored entries start out with a null SiteInstance, but we should have |
| 849 | // assigned one in NavigateToPendingEntry. |
| 850 | DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance()); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 851 | |
[email protected] | bcd90448 | 2012-02-01 01:54:22 | [diff] [blame] | 852 | // If we are doing a cross-site reload, we need to replace the existing |
| 853 | // navigation entry, not add another entry to the history. This has the side |
| 854 | // effect of removing forward browsing history, if such existed. |
[email protected] | e2caa03 | 2012-11-15 23:29:18 | [diff] [blame] | 855 | // Or if we are doing a cross-site redirect navigation, |
| 856 | // we will do a similar thing. |
[email protected] | 4ac5fbe | 2012-09-01 02:19:59 | [diff] [blame] | 857 | details->did_replace_entry = |
[email protected] | e2caa03 | 2012-11-15 23:29:18 | [diff] [blame] | 858 | pending_entry_ && pending_entry_->should_replace_entry(); |
[email protected] | bcd90448 | 2012-02-01 01:54:22 | [diff] [blame] | 859 | |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 860 | // is_in_page must be computed before the entry gets committed. |
[email protected] | ce760d74 | 2012-08-30 22:31:10 | [diff] [blame] | 861 | details->is_in_page = IsURLInPageNavigation( |
| 862 | params.url, params.was_within_same_page); |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 863 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 864 | // Do navigation-type specific actions. These will make and commit an entry. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 865 | details->type = ClassifyNavigation(params); |
[email protected] | 4bf3522c | 2010-08-19 21:00:20 | [diff] [blame] | 866 | |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 867 | switch (details->type) { |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 868 | case NAVIGATION_TYPE_NEW_PAGE: |
[email protected] | 4ac5fbe | 2012-09-01 02:19:59 | [diff] [blame] | 869 | RendererDidNavigateToNewPage(params, details->did_replace_entry); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 870 | break; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 871 | case NAVIGATION_TYPE_EXISTING_PAGE: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 872 | RendererDidNavigateToExistingPage(params); |
| 873 | break; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 874 | case NAVIGATION_TYPE_SAME_PAGE: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 875 | RendererDidNavigateToSamePage(params); |
| 876 | break; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 877 | case NAVIGATION_TYPE_IN_PAGE: |
[email protected] | 4ac5fbe | 2012-09-01 02:19:59 | [diff] [blame] | 878 | RendererDidNavigateInPage(params, &details->did_replace_entry); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 879 | break; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 880 | case NAVIGATION_TYPE_NEW_SUBFRAME: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 881 | RendererDidNavigateNewSubframe(params); |
| 882 | break; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 883 | case NAVIGATION_TYPE_AUTO_SUBFRAME: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 884 | if (!RendererDidNavigateAutoSubframe(params)) |
| 885 | return false; |
| 886 | break; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 887 | case NAVIGATION_TYPE_NAV_IGNORE: |
[email protected] | 20d1c99 | 2011-04-12 21:17:49 | [diff] [blame] | 888 | // If a pending navigation was in progress, this canceled it. We should |
| 889 | // discard it and make sure it is removed from the URL bar. After that, |
| 890 | // there is nothing we can do with this navigation, so we just return to |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 891 | // the caller that nothing has happened. |
[email protected] | 20d1c99 | 2011-04-12 21:17:49 | [diff] [blame] | 892 | if (pending_entry_) { |
| 893 | DiscardNonCommittedEntries(); |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 894 | web_contents_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL); |
[email protected] | 20d1c99 | 2011-04-12 21:17:49 | [diff] [blame] | 895 | } |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 896 | return false; |
| 897 | default: |
| 898 | NOTREACHED(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 899 | } |
| 900 | |
[email protected] | 688aa65c6 | 2012-09-28 04:32:22 | [diff] [blame] | 901 | // At this point, we know that the navigation has just completed, so |
| 902 | // record the time. |
| 903 | // |
| 904 | // TODO(akalin): Use "sane time" as described in |
| 905 | // http://www.chromium.org/developers/design-documents/sane-time . |
[email protected] | c5b88d8 | 2012-10-06 17:03:33 | [diff] [blame] | 906 | base::Time timestamp = |
| 907 | time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run()); |
| 908 | DVLOG(1) << "Navigation finished at (smoothed) timestamp " |
[email protected] | 688aa65c6 | 2012-09-28 04:32:22 | [diff] [blame] | 909 | << timestamp.ToInternalValue(); |
| 910 | |
[email protected] | f233e423 | 2013-02-23 00:55:14 | [diff] [blame] | 911 | // We should not have a pending entry anymore. Clear it again in case any |
| 912 | // error cases above forgot to do so. |
| 913 | DiscardNonCommittedEntriesInternal(); |
| 914 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 915 | // All committed entries should have nonempty content state so WebKit doesn't |
| 916 | // get confused when we go back to them (see the function for details). |
[email protected] | 0f38dc455 | 2011-02-25 11:24:00 | [diff] [blame] | 917 | DCHECK(!params.content_state.empty()); |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 918 | NavigationEntryImpl* active_entry = |
[email protected] | f233e423 | 2013-02-23 00:55:14 | [diff] [blame] | 919 | NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()); |
[email protected] | 688aa65c6 | 2012-09-28 04:32:22 | [diff] [blame] | 920 | active_entry->SetTimestamp(timestamp); |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 921 | active_entry->SetContentState(params.content_state); |
[email protected] | 132e281a | 2012-07-31 18:32:44 | [diff] [blame] | 922 | // No longer needed since content state will hold the post data if any. |
| 923 | active_entry->SetBrowserInitiatedPostData(NULL); |
| 924 | |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 925 | // Once committed, we do not need to track if the entry was initiated by |
| 926 | // the renderer. |
| 927 | active_entry->set_is_renderer_initiated(false); |
| 928 | |
[email protected] | 49bd30e6 | 2011-03-22 20:12:59 | [diff] [blame] | 929 | // The active entry's SiteInstance should match our SiteInstance. |
[email protected] | f233e423 | 2013-02-23 00:55:14 | [diff] [blame] | 930 | CHECK(active_entry->site_instance() == web_contents_->GetSiteInstance()); |
[email protected] | 49bd30e6 | 2011-03-22 20:12:59 | [diff] [blame] | 931 | |
[email protected] | b26de07 | 2013-02-23 02:33:44 | [diff] [blame] | 932 | // Remember the bindings the renderer process has at this point, so that |
| 933 | // we do not grant this entry additional bindings if we come back to it. |
| 934 | active_entry->SetBindings( |
| 935 | web_contents_->GetRenderViewHost()->GetEnabledBindings()); |
| 936 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 937 | // Now prep the rest of the details for the notification and broadcast. |
[email protected] | 0f38dc455 | 2011-02-25 11:24:00 | [diff] [blame] | 938 | details->entry = active_entry; |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 939 | details->is_main_frame = |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 940 | PageTransitionIsMainFrame(params.transition); |
[email protected] | f072d2ce | 2008-09-17 17:16:24 | [diff] [blame] | 941 | details->serialized_security_info = params.security_info; |
[email protected] | 2e39d2e | 2009-02-19 18:41:31 | [diff] [blame] | 942 | details->http_status_code = params.http_status_code; |
[email protected] | 93f230e0 | 2011-06-01 14:40:00 | [diff] [blame] | 943 | NotifyNavigationEntryCommitted(details); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 944 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 945 | return true; |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 946 | } |
| 947 | |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 948 | NavigationType NavigationControllerImpl::ClassifyNavigation( |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 949 | const ViewHostMsg_FrameNavigate_Params& params) const { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 950 | if (params.page_id == -1) { |
[email protected] | eef9de3 | 2009-09-23 17:19:46 | [diff] [blame] | 951 | // The renderer generates the page IDs, and so if it gives us the invalid |
| 952 | // page ID (-1) we know it didn't actually navigate. This happens in a few |
| 953 | // cases: |
| 954 | // |
| 955 | // - If a page makes a popup navigated to about blank, and then writes |
| 956 | // stuff like a subframe navigated to a real page. We'll get the commit |
| 957 | // for the subframe, but there won't be any commit for the outer page. |
| 958 | // |
| 959 | // - We were also getting these for failed loads (for example, bug 21849). |
| 960 | // The guess is that we get a "load commit" for the alternate error page, |
| 961 | // but that doesn't affect the page ID, so we get the "old" one, which |
| 962 | // could be invalid. This can also happen for a cross-site transition |
| 963 | // that causes us to swap processes. Then the error page load will be in |
| 964 | // a new process with no page IDs ever assigned (and hence a -1 value), |
| 965 | // yet the navigation controller still might have previous pages in its |
| 966 | // list. |
| 967 | // |
| 968 | // In these cases, there's nothing we can do with them, so ignore. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 969 | return NAVIGATION_TYPE_NAV_IGNORE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 970 | } |
| 971 | |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 972 | if (params.page_id > web_contents_->GetMaxPageID()) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 973 | // Greater page IDs than we've ever seen before are new pages. We may or may |
| 974 | // not have a pending entry for the page, and this may or may not be the |
| 975 | // main frame. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 976 | if (PageTransitionIsMainFrame(params.transition)) |
| 977 | return NAVIGATION_TYPE_NEW_PAGE; |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 978 | |
| 979 | // When this is a new subframe navigation, we should have a committed page |
| 980 | // for which it's a suframe in. This may not be the case when an iframe is |
| 981 | // navigated on a popup navigated to about:blank (the iframe would be |
| 982 | // written into the popup by script on the main page). For these cases, |
| 983 | // there isn't any navigation stuff we can do, so just ignore it. |
| 984 | if (!GetLastCommittedEntry()) |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 985 | return NAVIGATION_TYPE_NAV_IGNORE; |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 986 | |
| 987 | // Valid subframe navigation. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 988 | return NAVIGATION_TYPE_NEW_SUBFRAME; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 989 | } |
| 990 | |
| 991 | // Now we know that the notification is for an existing page. Find that entry. |
| 992 | int existing_entry_index = GetEntryIndexWithPageID( |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 993 | web_contents_->GetSiteInstance(), |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 994 | params.page_id); |
| 995 | if (existing_entry_index == -1) { |
| 996 | // The page was not found. It could have been pruned because of the limit on |
| 997 | // back/forward entries (not likely since we'll usually tell it to navigate |
| 998 | // to such entries). It could also mean that the renderer is smoking crack. |
| 999 | NOTREACHED(); |
[email protected] | 485e823 | 2011-07-24 18:03:46 | [diff] [blame] | 1000 | |
| 1001 | // Because the unknown entry has committed, we risk showing the wrong URL in |
| 1002 | // release builds. Instead, we'll kill the renderer process to be safe. |
| 1003 | LOG(ERROR) << "terminating renderer for bad navigation: " << params.url; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1004 | RecordAction(UserMetricsAction("BadMessageTerminate_NC")); |
[email protected] | b69934e | 2011-10-29 02:51:52 | [diff] [blame] | 1005 | |
[email protected] | 7ec6f38 | 2011-11-11 01:28:17 | [diff] [blame] | 1006 | // Temporary code so we can get more information. Format: |
[email protected] | 8c38058 | 2011-12-02 03:16:10 | [diff] [blame] | 1007 | // http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2 |
| 1008 | std::string temp = params.url.spec(); |
[email protected] | 7ec6f38 | 2011-11-11 01:28:17 | [diff] [blame] | 1009 | temp.append("#page"); |
[email protected] | b69934e | 2011-10-29 02:51:52 | [diff] [blame] | 1010 | temp.append(base::IntToString(params.page_id)); |
[email protected] | 7ec6f38 | 2011-11-11 01:28:17 | [diff] [blame] | 1011 | temp.append("#max"); |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1012 | temp.append(base::IntToString(web_contents_->GetMaxPageID())); |
[email protected] | 7ec6f38 | 2011-11-11 01:28:17 | [diff] [blame] | 1013 | temp.append("#frame"); |
| 1014 | temp.append(base::IntToString(params.frame_id)); |
| 1015 | temp.append("#ids"); |
| 1016 | for (int i = 0; i < static_cast<int>(entries_.size()); ++i) { |
[email protected] | 8c38058 | 2011-12-02 03:16:10 | [diff] [blame] | 1017 | // Append entry metadata (e.g., 3_7x): |
| 1018 | // 3: page_id |
| 1019 | // 7: SiteInstance ID, or N for null |
| 1020 | // x: appended if not from the current SiteInstance |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1021 | temp.append(base::IntToString(entries_[i]->GetPageID())); |
[email protected] | 8c38058 | 2011-12-02 03:16:10 | [diff] [blame] | 1022 | temp.append("_"); |
| 1023 | if (entries_[i]->site_instance()) |
[email protected] | b658359 | 2012-01-25 19:52:33 | [diff] [blame] | 1024 | temp.append(base::IntToString(entries_[i]->site_instance()->GetId())); |
[email protected] | 7ec6f38 | 2011-11-11 01:28:17 | [diff] [blame] | 1025 | else |
[email protected] | 8c38058 | 2011-12-02 03:16:10 | [diff] [blame] | 1026 | temp.append("N"); |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1027 | if (entries_[i]->site_instance() != web_contents_->GetSiteInstance()) |
[email protected] | 7ec6f38 | 2011-11-11 01:28:17 | [diff] [blame] | 1028 | temp.append("x"); |
| 1029 | temp.append(","); |
[email protected] | b69934e | 2011-10-29 02:51:52 | [diff] [blame] | 1030 | } |
| 1031 | GURL url(temp); |
[email protected] | 9f76c1e | 2012-03-05 15:15:58 | [diff] [blame] | 1032 | static_cast<RenderViewHostImpl*>( |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1033 | web_contents_->GetRenderViewHost())->Send( |
[email protected] | 9f76c1e | 2012-03-05 15:15:58 | [diff] [blame] | 1034 | new ViewMsg_TempCrashWithData(url)); |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1035 | return NAVIGATION_TYPE_NAV_IGNORE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1036 | } |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1037 | NavigationEntryImpl* existing_entry = entries_[existing_entry_index].get(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1038 | |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1039 | if (!PageTransitionIsMainFrame(params.transition)) { |
[email protected] | e6035c2 | 2010-05-25 16:15:52 | [diff] [blame] | 1040 | // All manual subframes would get new IDs and were handled above, so we |
| 1041 | // know this is auto. Since the current page was found in the navigation |
| 1042 | // entry list, we're guaranteed to have a last committed entry. |
| 1043 | DCHECK(GetLastCommittedEntry()); |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1044 | return NAVIGATION_TYPE_AUTO_SUBFRAME; |
[email protected] | e6035c2 | 2010-05-25 16:15:52 | [diff] [blame] | 1045 | } |
| 1046 | |
| 1047 | // Anything below here we know is a main frame navigation. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1048 | if (pending_entry_ && |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1049 | existing_entry != pending_entry_ && |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1050 | pending_entry_->GetPageID() == -1 && |
[email protected] | 230c001 | 2011-04-08 16:27:24 | [diff] [blame] | 1051 | existing_entry == GetLastCommittedEntry()) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1052 | // In this case, we have a pending entry for a URL but WebCore didn't do a |
| 1053 | // new navigation. This happens when you press enter in the URL bar to |
| 1054 | // reload. We will create a pending entry, but WebKit will convert it to |
| 1055 | // a reload since it's the same page and not create a new entry for it |
| 1056 | // (the user doesn't want to have a new back/forward entry when they do |
[email protected] | 230c001 | 2011-04-08 16:27:24 | [diff] [blame] | 1057 | // this). If this matches the last committed entry, we want to just ignore |
| 1058 | // the pending entry and go back to where we were (the "existing entry"). |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1059 | return NAVIGATION_TYPE_SAME_PAGE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1060 | } |
| 1061 | |
[email protected] | fc60f22 | 2008-12-18 17:36:54 | [diff] [blame] | 1062 | // Any toplevel navigations with the same base (minus the reference fragment) |
| 1063 | // are in-page navigations. We weeded out subframe navigations above. Most of |
| 1064 | // the time this doesn't matter since WebKit doesn't tell us about subframe |
| 1065 | // navigations that don't actually navigate, but it can happen when there is |
| 1066 | // an encoding override (it always sends a navigation request). |
[email protected] | 4ac5fbe | 2012-09-01 02:19:59 | [diff] [blame] | 1067 | if (AreURLsInPageNavigation(existing_entry->GetURL(), params.url, |
| 1068 | params.was_within_same_page)) { |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1069 | return NAVIGATION_TYPE_IN_PAGE; |
[email protected] | 4ac5fbe | 2012-09-01 02:19:59 | [diff] [blame] | 1070 | } |
[email protected] | fc60f22 | 2008-12-18 17:36:54 | [diff] [blame] | 1071 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1072 | // Since we weeded out "new" navigations above, we know this is an existing |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 1073 | // (back/forward) navigation. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1074 | return NAVIGATION_TYPE_EXISTING_PAGE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1075 | } |
| 1076 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1077 | bool NavigationControllerImpl::IsRedirect( |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 1078 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 1079 | // For main frame transition, we judge by params.transition. |
| 1080 | // Otherwise, by params.redirects. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1081 | if (PageTransitionIsMainFrame(params.transition)) { |
| 1082 | return PageTransitionIsRedirect(params.transition); |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 1083 | } |
| 1084 | return params.redirects.size() > 1; |
| 1085 | } |
| 1086 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1087 | void NavigationControllerImpl::RendererDidNavigateToNewPage( |
[email protected] | 4ac5fbe | 2012-09-01 02:19:59 | [diff] [blame] | 1088 | const ViewHostMsg_FrameNavigate_Params& params, bool replace_entry) { |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1089 | NavigationEntryImpl* new_entry; |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 1090 | bool update_virtual_url; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1091 | if (pending_entry_) { |
| 1092 | // TODO(brettw) this assumes that the pending entry is appropriate for the |
| 1093 | // new page that was just loaded. I don't think this is necessarily the |
[email protected] | 49bd30e6 | 2011-03-22 20:12:59 | [diff] [blame] | 1094 | // case! We should have some more tracking to know for sure. |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1095 | new_entry = new NavigationEntryImpl(*pending_entry_); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1096 | |
| 1097 | // Don't use the page type from the pending entry. Some interstitial page |
| 1098 | // may have set the type to interstitial. Once we commit, however, the page |
| 1099 | // type must always be normal. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1100 | new_entry->set_page_type(PAGE_TYPE_NORMAL); |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 1101 | update_virtual_url = new_entry->update_virtual_url_with_url(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1102 | } else { |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1103 | new_entry = new NavigationEntryImpl; |
[email protected] | f8f93eb | 2012-09-25 03:06:24 | [diff] [blame] | 1104 | |
| 1105 | // Find out whether the new entry needs to update its virtual URL on URL |
| 1106 | // change and set up the entry accordingly. This is needed to correctly |
| 1107 | // update the virtual URL when replaceState is called after a pushState. |
| 1108 | GURL url = params.url; |
| 1109 | bool needs_update = false; |
| 1110 | BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary( |
| 1111 | &url, browser_context_, &needs_update); |
| 1112 | new_entry->set_update_virtual_url_with_url(needs_update); |
| 1113 | |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 1114 | // When navigating to a new page, give the browser URL handler a chance to |
| 1115 | // update the virtual URL based on the new URL. For example, this is needed |
| 1116 | // to show chrome://bookmarks/#1 when the bookmarks webui extension changes |
| 1117 | // the URL. |
[email protected] | f8f93eb | 2012-09-25 03:06:24 | [diff] [blame] | 1118 | update_virtual_url = needs_update; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1119 | } |
| 1120 | |
[email protected] | ad23a09 | 2011-12-28 07:02:04 | [diff] [blame] | 1121 | new_entry->SetURL(params.url); |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 1122 | if (update_virtual_url) |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 1123 | UpdateVirtualURLToURL(new_entry, params.url); |
[email protected] | 022af74 | 2011-12-28 18:37:25 | [diff] [blame] | 1124 | new_entry->SetReferrer(params.referrer); |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1125 | new_entry->SetPageID(params.page_id); |
[email protected] | 022af74 | 2011-12-28 18:37:25 | [diff] [blame] | 1126 | new_entry->SetTransitionType(params.transition); |
[email protected] | b658359 | 2012-01-25 19:52:33 | [diff] [blame] | 1127 | new_entry->set_site_instance( |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1128 | static_cast<SiteInstanceImpl*>(web_contents_->GetSiteInstance())); |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1129 | new_entry->SetHasPostData(params.is_post); |
[email protected] | 86cd947 | 2012-02-03 19:51:05 | [diff] [blame] | 1130 | new_entry->SetPostID(params.post_id); |
[email protected] | 7c16976c | 2012-08-04 02:38:23 | [diff] [blame] | 1131 | new_entry->SetOriginalRequestURL(params.original_request_url); |
[email protected] | bf70edce | 2012-06-20 22:32:22 | [diff] [blame] | 1132 | new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1133 | |
[email protected] | 4ac5fbe | 2012-09-01 02:19:59 | [diff] [blame] | 1134 | InsertOrReplaceEntry(new_entry, replace_entry); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1135 | } |
| 1136 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1137 | void NavigationControllerImpl::RendererDidNavigateToExistingPage( |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1138 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 1139 | // We should only get here for main frame navigations. |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1140 | DCHECK(PageTransitionIsMainFrame(params.transition)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1141 | |
| 1142 | // This is a back/forward navigation. The existing page for the ID is |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 1143 | // guaranteed to exist by ClassifyNavigation, and we just need to update it |
| 1144 | // with new information from the renderer. |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1145 | int entry_index = GetEntryIndexWithPageID(web_contents_->GetSiteInstance(), |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 1146 | params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1147 | DCHECK(entry_index >= 0 && |
| 1148 | entry_index < static_cast<int>(entries_.size())); |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1149 | NavigationEntryImpl* entry = entries_[entry_index].get(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1150 | |
[email protected] | 5ccd4dc | 2012-10-24 02:28:14 | [diff] [blame] | 1151 | // The URL may have changed due to redirects. |
[email protected] | ad23a09 | 2011-12-28 07:02:04 | [diff] [blame] | 1152 | entry->SetURL(params.url); |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 1153 | if (entry->update_virtual_url_with_url()) |
| 1154 | UpdateVirtualURLToURL(entry, params.url); |
[email protected] | 5ccd4dc | 2012-10-24 02:28:14 | [diff] [blame] | 1155 | |
| 1156 | // The redirected to page should not inherit the favicon from the previous |
| 1157 | // page. |
| 1158 | if (PageTransitionIsRedirect(params.transition)) |
[email protected] | 91a4ff8 | 2012-10-29 20:29:48 | [diff] [blame] | 1159 | entry->GetFavicon() = FaviconStatus(); |
[email protected] | 5ccd4dc | 2012-10-24 02:28:14 | [diff] [blame] | 1160 | |
| 1161 | // The site instance will normally be the same except during session restore, |
| 1162 | // when no site instance will be assigned. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1163 | DCHECK(entry->site_instance() == NULL || |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1164 | entry->site_instance() == web_contents_->GetSiteInstance()); |
[email protected] | b658359 | 2012-01-25 19:52:33 | [diff] [blame] | 1165 | entry->set_site_instance( |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1166 | static_cast<SiteInstanceImpl*>(web_contents_->GetSiteInstance())); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1167 | |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1168 | entry->SetHasPostData(params.is_post); |
[email protected] | 86cd947 | 2012-02-03 19:51:05 | [diff] [blame] | 1169 | entry->SetPostID(params.post_id); |
[email protected] | d5a49e5 | 2010-01-08 03:01:41 | [diff] [blame] | 1170 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1171 | // The entry we found in the list might be pending if the user hit |
| 1172 | // back/forward/reload. This load should commit it (since it's already in the |
[email protected] | 49bd30e6 | 2011-03-22 20:12:59 | [diff] [blame] | 1173 | // list, we can just discard the pending pointer). We should also discard the |
| 1174 | // pending entry if it corresponds to a different navigation, since that one |
| 1175 | // is now likely canceled. If it is not canceled, we will treat it as a new |
| 1176 | // navigation when it arrives, which is also ok. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1177 | // |
| 1178 | // Note that we need to use the "internal" version since we don't want to |
| 1179 | // actually change any other state, just kill the pointer. |
[email protected] | 6eebaab | 2012-11-15 04:39:49 | [diff] [blame] | 1180 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 40bcc30 | 2009-03-02 20:50:39 | [diff] [blame] | 1181 | |
[email protected] | 80858db5 | 2009-10-15 00:35:18 | [diff] [blame] | 1182 | // If a transient entry was removed, the indices might have changed, so we |
| 1183 | // have to query the entry index again. |
| 1184 | last_committed_entry_index_ = |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1185 | GetEntryIndexWithPageID(web_contents_->GetSiteInstance(), params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1186 | } |
| 1187 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1188 | void NavigationControllerImpl::RendererDidNavigateToSamePage( |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1189 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 1190 | // This mode implies we have a pending entry that's the same as an existing |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 1191 | // entry for this page ID. This entry is guaranteed to exist by |
| 1192 | // ClassifyNavigation. All we need to do is update the existing entry. |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1193 | NavigationEntryImpl* existing_entry = GetEntryWithPageID( |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1194 | web_contents_->GetSiteInstance(), params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1195 | |
| 1196 | // We assign the entry's unique ID to be that of the new one. Since this is |
| 1197 | // always the result of a user action, we want to dismiss infobars, etc. like |
| 1198 | // a regular user-initiated navigation. |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1199 | existing_entry->set_unique_id(pending_entry_->GetUniqueID()); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1200 | |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 1201 | // The URL may have changed due to redirects. |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 1202 | if (existing_entry->update_virtual_url_with_url()) |
| 1203 | UpdateVirtualURLToURL(existing_entry, params.url); |
[email protected] | ad23a09 | 2011-12-28 07:02:04 | [diff] [blame] | 1204 | existing_entry->SetURL(params.url); |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 1205 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1206 | DiscardNonCommittedEntries(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1207 | } |
| 1208 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1209 | void NavigationControllerImpl::RendererDidNavigateInPage( |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 1210 | const ViewHostMsg_FrameNavigate_Params& params, bool* did_replace_entry) { |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1211 | DCHECK(PageTransitionIsMainFrame(params.transition)) << |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1212 | "WebKit should only tell us about in-page navs for the main frame."; |
| 1213 | // We're guaranteed to have an entry for this one. |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1214 | NavigationEntryImpl* existing_entry = GetEntryWithPageID( |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1215 | web_contents_->GetSiteInstance(), params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1216 | |
| 1217 | // Reference fragment navigation. We're guaranteed to have the last_committed |
| 1218 | // entry and it will be the same page as the new navigation (minus the |
[email protected] | d466b8a | 2011-07-15 21:48:03 | [diff] [blame] | 1219 | // reference fragments, of course). We'll update the URL of the existing |
| 1220 | // entry without pruning the forward history. |
[email protected] | ad23a09 | 2011-12-28 07:02:04 | [diff] [blame] | 1221 | existing_entry->SetURL(params.url); |
[email protected] | d466b8a | 2011-07-15 21:48:03 | [diff] [blame] | 1222 | if (existing_entry->update_virtual_url_with_url()) |
| 1223 | UpdateVirtualURLToURL(existing_entry, params.url); |
[email protected] | ccbe04e | 2010-03-17 17:58:43 | [diff] [blame] | 1224 | |
| 1225 | // This replaces the existing entry since the page ID didn't change. |
| 1226 | *did_replace_entry = true; |
[email protected] | d466b8a | 2011-07-15 21:48:03 | [diff] [blame] | 1227 | |
[email protected] | 6eebaab | 2012-11-15 04:39:49 | [diff] [blame] | 1228 | DiscardNonCommittedEntriesInternal(); |
[email protected] | d466b8a | 2011-07-15 21:48:03 | [diff] [blame] | 1229 | |
| 1230 | // If a transient entry was removed, the indices might have changed, so we |
| 1231 | // have to query the entry index again. |
| 1232 | last_committed_entry_index_ = |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1233 | GetEntryIndexWithPageID(web_contents_->GetSiteInstance(), params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1234 | } |
| 1235 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1236 | void NavigationControllerImpl::RendererDidNavigateNewSubframe( |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1237 | const ViewHostMsg_FrameNavigate_Params& params) { |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1238 | if (PageTransitionStripQualifier(params.transition) == |
| 1239 | PAGE_TRANSITION_AUTO_SUBFRAME) { |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 1240 | // This is not user-initiated. Ignore. |
[email protected] | f233e423 | 2013-02-23 00:55:14 | [diff] [blame] | 1241 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 1242 | return; |
| 1243 | } |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 1244 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1245 | // Manual subframe navigations just get the current entry cloned so the user |
| 1246 | // can go back or forward to it. The actual subframe information will be |
| 1247 | // stored in the page state for each of those entries. This happens out of |
| 1248 | // band with the actual navigations. |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 1249 | DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee " |
| 1250 | << "that a last committed entry exists."; |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1251 | NavigationEntryImpl* new_entry = new NavigationEntryImpl( |
| 1252 | *NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry())); |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1253 | new_entry->SetPageID(params.page_id); |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 1254 | InsertOrReplaceEntry(new_entry, false); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1255 | } |
| 1256 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1257 | bool NavigationControllerImpl::RendererDidNavigateAutoSubframe( |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1258 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 1259 | // We're guaranteed to have a previously committed entry, and we now need to |
| 1260 | // handle navigation inside of a subframe in it without creating a new entry. |
| 1261 | DCHECK(GetLastCommittedEntry()); |
| 1262 | |
| 1263 | // Handle the case where we're navigating back/forward to a previous subframe |
| 1264 | // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the |
| 1265 | // header file. In case "1." this will be a NOP. |
| 1266 | int entry_index = GetEntryIndexWithPageID( |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1267 | web_contents_->GetSiteInstance(), |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1268 | params.page_id); |
| 1269 | if (entry_index < 0 || |
| 1270 | entry_index >= static_cast<int>(entries_.size())) { |
| 1271 | NOTREACHED(); |
| 1272 | return false; |
| 1273 | } |
| 1274 | |
| 1275 | // Update the current navigation entry in case we're going back/forward. |
| 1276 | if (entry_index != last_committed_entry_index_) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1277 | last_committed_entry_index_ = entry_index; |
[email protected] | f233e423 | 2013-02-23 00:55:14 | [diff] [blame] | 1278 | DiscardNonCommittedEntriesInternal(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1279 | return true; |
| 1280 | } |
[email protected] | f233e423 | 2013-02-23 00:55:14 | [diff] [blame] | 1281 | |
| 1282 | // We do not need to discard the pending entry in this case, since we will |
| 1283 | // not generate commit notifications for this auto-subframe navigation. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1284 | return false; |
| 1285 | } |
| 1286 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1287 | int NavigationControllerImpl::GetIndexOfEntry( |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1288 | const NavigationEntryImpl* entry) const { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1289 | const NavigationEntries::const_iterator i(std::find( |
| 1290 | entries_.begin(), |
| 1291 | entries_.end(), |
| 1292 | entry)); |
| 1293 | return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin()); |
| 1294 | } |
| 1295 | |
[email protected] | ce760d74 | 2012-08-30 22:31:10 | [diff] [blame] | 1296 | bool NavigationControllerImpl::IsURLInPageNavigation( |
| 1297 | const GURL& url, bool renderer_says_in_page) const { |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1298 | NavigationEntry* last_committed = GetLastCommittedEntry(); |
[email protected] | ce760d74 | 2012-08-30 22:31:10 | [diff] [blame] | 1299 | return last_committed && AreURLsInPageNavigation( |
| 1300 | last_committed->GetURL(), url, renderer_says_in_page); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1301 | } |
| 1302 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1303 | void NavigationControllerImpl::CopyStateFrom( |
[email protected] | c5eed49 | 2012-01-04 17:07:50 | [diff] [blame] | 1304 | const NavigationController& temp) { |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1305 | const NavigationControllerImpl& source = |
| 1306 | static_cast<const NavigationControllerImpl&>(temp); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 1307 | // Verify that we look new. |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1308 | DCHECK(GetEntryCount() == 0 && !GetPendingEntry()); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 1309 | |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1310 | if (source.GetEntryCount() == 0) |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 1311 | return; // Nothing new to do. |
| 1312 | |
| 1313 | needs_reload_ = true; |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1314 | InsertEntriesFrom(source, source.GetEntryCount()); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 1315 | |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 1316 | for (SessionStorageNamespaceMap::const_iterator it = |
| 1317 | source.session_storage_namespace_map_.begin(); |
| 1318 | it != source.session_storage_namespace_map_.end(); |
| 1319 | ++it) { |
| 1320 | SessionStorageNamespaceImpl* source_namespace = |
| 1321 | static_cast<SessionStorageNamespaceImpl*>(it->second.get()); |
| 1322 | session_storage_namespace_map_.insert( |
| 1323 | make_pair(it->first, source_namespace->Clone())); |
| 1324 | } |
[email protected] | 4e6419c | 2010-01-15 04:50:34 | [diff] [blame] | 1325 | |
[email protected] | 2ca1ea66 | 2012-10-04 02:26:36 | [diff] [blame] | 1326 | FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION); |
[email protected] | 91854cd | 2012-01-10 19:43:57 | [diff] [blame] | 1327 | |
| 1328 | // Copy the max page id map from the old tab to the new tab. This ensures |
| 1329 | // that new and existing navigations in the tab's current SiteInstances |
| 1330 | // are identified properly. |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1331 | web_contents_->CopyMaxPageIDsFrom(source.web_contents()); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 1332 | } |
| 1333 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1334 | void NavigationControllerImpl::CopyStateFromAndPrune( |
[email protected] | c5eed49 | 2012-01-04 17:07:50 | [diff] [blame] | 1335 | NavigationController* temp) { |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1336 | NavigationControllerImpl* source = |
| 1337 | static_cast<NavigationControllerImpl*>(temp); |
[email protected] | 9e1ad4b | 2011-08-14 16:49:19 | [diff] [blame] | 1338 | // The SiteInstance and page_id of the last committed entry needs to be |
| 1339 | // remembered at this point, in case there is only one committed entry |
[email protected] | 91854cd | 2012-01-10 19:43:57 | [diff] [blame] | 1340 | // and it is pruned. We use a scoped_refptr to ensure the SiteInstance |
| 1341 | // can't be freed during this time period. |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1342 | NavigationEntryImpl* last_committed = |
| 1343 | NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()); |
[email protected] | 91854cd | 2012-01-10 19:43:57 | [diff] [blame] | 1344 | scoped_refptr<SiteInstance> site_instance( |
| 1345 | last_committed ? last_committed->site_instance() : NULL); |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1346 | int32 minimum_page_id = last_committed ? last_committed->GetPageID() : -1; |
[email protected] | 91854cd | 2012-01-10 19:43:57 | [diff] [blame] | 1347 | int32 max_page_id = last_committed ? |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1348 | web_contents_->GetMaxPageIDForSiteInstance(site_instance.get()) : -1; |
[email protected] | 9e1ad4b | 2011-08-14 16:49:19 | [diff] [blame] | 1349 | |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1350 | // This code is intended for use when the last entry is the active entry. |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1351 | DCHECK( |
| 1352 | (transient_entry_index_ != -1 && |
[email protected] | 91854cd | 2012-01-10 19:43:57 | [diff] [blame] | 1353 | transient_entry_index_ == GetEntryCount() - 1) || |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1354 | (pending_entry_ && (pending_entry_index_ == -1 || |
| 1355 | pending_entry_index_ == GetEntryCount() - 1)) || |
| 1356 | (!pending_entry_ && last_committed_entry_index_ == GetEntryCount() - 1)); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1357 | |
| 1358 | // Remove all the entries leaving the active entry. |
[email protected] | 9350602e | 2013-02-26 23:27:44 | [diff] [blame^] | 1359 | PruneAllButActiveInternal(); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1360 | |
[email protected] | 944822b | 2012-03-02 20:57:25 | [diff] [blame] | 1361 | // We now have zero or one entries. Ensure that adding the entries from |
| 1362 | // source won't put us over the limit. |
| 1363 | DCHECK(GetEntryCount() == 0 || GetEntryCount() == 1); |
| 1364 | if (GetEntryCount() > 0) |
| 1365 | source->PruneOldestEntryIfFull(); |
| 1366 | |
[email protected] | 47e020a | 2010-10-15 14:43:37 | [diff] [blame] | 1367 | // Insert the entries from source. Don't use source->GetCurrentEntryIndex as |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1368 | // we don't want to copy over the transient entry. |
[email protected] | 47e020a | 2010-10-15 14:43:37 | [diff] [blame] | 1369 | int max_source_index = source->pending_entry_index_ != -1 ? |
| 1370 | source->pending_entry_index_ : source->last_committed_entry_index_; |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1371 | if (max_source_index == -1) |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1372 | max_source_index = source->GetEntryCount(); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1373 | else |
| 1374 | max_source_index++; |
[email protected] | 47e020a | 2010-10-15 14:43:37 | [diff] [blame] | 1375 | InsertEntriesFrom(*source, max_source_index); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1376 | |
| 1377 | // Adjust indices such that the last entry and pending are at the end now. |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1378 | last_committed_entry_index_ = GetEntryCount() - 1; |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1379 | if (pending_entry_index_ != -1) |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1380 | pending_entry_index_ = GetEntryCount() - 1; |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1381 | if (transient_entry_index_ != -1) { |
| 1382 | // There's a transient entry. In this case we want the last committed to |
| 1383 | // point to the previous entry. |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1384 | transient_entry_index_ = GetEntryCount() - 1; |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1385 | if (last_committed_entry_index_ != -1) |
| 1386 | last_committed_entry_index_--; |
| 1387 | } |
[email protected] | 796931a9 | 2011-08-10 01:32:14 | [diff] [blame] | 1388 | |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1389 | web_contents_->SetHistoryLengthAndPrune(site_instance.get(), |
[email protected] | 9e1ad4b | 2011-08-14 16:49:19 | [diff] [blame] | 1390 | max_source_index, |
| 1391 | minimum_page_id); |
[email protected] | 91854cd | 2012-01-10 19:43:57 | [diff] [blame] | 1392 | |
| 1393 | // Copy the max page id map from the old tab to the new tab. This ensures |
| 1394 | // that new and existing navigations in the tab's current SiteInstances |
| 1395 | // are identified properly. |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1396 | web_contents_->CopyMaxPageIDsFrom(source->web_contents()); |
[email protected] | 91854cd | 2012-01-10 19:43:57 | [diff] [blame] | 1397 | |
| 1398 | // If there is a last committed entry, be sure to include it in the new |
| 1399 | // max page ID map. |
| 1400 | if (max_page_id > -1) { |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1401 | web_contents_->UpdateMaxPageIDForSiteInstance(site_instance.get(), |
[email protected] | 91854cd | 2012-01-10 19:43:57 | [diff] [blame] | 1402 | max_page_id); |
| 1403 | } |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1404 | } |
| 1405 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1406 | void NavigationControllerImpl::PruneAllButActive() { |
[email protected] | 9350602e | 2013-02-26 23:27:44 | [diff] [blame^] | 1407 | PruneAllButActiveInternal(); |
| 1408 | |
| 1409 | // If there is an entry left, we need to update the session history length of |
| 1410 | // the RenderView. |
| 1411 | if (!GetEntryCount()) |
| 1412 | return; |
| 1413 | |
| 1414 | NavigationEntryImpl* entry = |
| 1415 | NavigationEntryImpl::FromNavigationEntry(GetActiveEntry()); |
| 1416 | CHECK(entry); |
| 1417 | // We pass 0 instead of GetEntryCount() for the history_length parameter of |
| 1418 | // SetHistoryLengthAndPrune, because it will create history_length additional |
| 1419 | // history entries. |
| 1420 | // TODO(jochen): This API is confusing and we should clean it up. |
| 1421 | // http://crbug.com/178491 |
| 1422 | web_contents_->SetHistoryLengthAndPrune( |
| 1423 | entry->site_instance(), 0, entry->GetPageID()); |
| 1424 | } |
| 1425 | |
| 1426 | void NavigationControllerImpl::PruneAllButActiveInternal() { |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1427 | if (transient_entry_index_ != -1) { |
| 1428 | // There is a transient entry. Prune up to it. |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1429 | DCHECK_EQ(GetEntryCount() - 1, transient_entry_index_); |
[email protected] | 77d8d62 | 2010-12-15 10:30:12 | [diff] [blame] | 1430 | entries_.erase(entries_.begin(), entries_.begin() + transient_entry_index_); |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1431 | transient_entry_index_ = 0; |
| 1432 | last_committed_entry_index_ = -1; |
| 1433 | pending_entry_index_ = -1; |
| 1434 | } else if (!pending_entry_) { |
| 1435 | // There's no pending entry. Leave the last entry (if there is one). |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1436 | if (!GetEntryCount()) |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1437 | return; |
| 1438 | |
[email protected] | 77d8d62 | 2010-12-15 10:30:12 | [diff] [blame] | 1439 | DCHECK(last_committed_entry_index_ >= 0); |
| 1440 | entries_.erase(entries_.begin(), |
| 1441 | entries_.begin() + last_committed_entry_index_); |
| 1442 | entries_.erase(entries_.begin() + 1, entries_.end()); |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1443 | last_committed_entry_index_ = 0; |
| 1444 | } else if (pending_entry_index_ != -1) { |
[email protected] | 77d8d62 | 2010-12-15 10:30:12 | [diff] [blame] | 1445 | entries_.erase(entries_.begin(), entries_.begin() + pending_entry_index_); |
| 1446 | entries_.erase(entries_.begin() + 1, entries_.end()); |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1447 | pending_entry_index_ = 0; |
| 1448 | last_committed_entry_index_ = 0; |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1449 | } else { |
| 1450 | // There is a pending_entry, but it's not in entries_. |
| 1451 | pending_entry_index_ = -1; |
| 1452 | last_committed_entry_index_ = -1; |
[email protected] | 77d8d62 | 2010-12-15 10:30:12 | [diff] [blame] | 1453 | entries_.clear(); |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1454 | } |
| 1455 | |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1456 | if (web_contents_->GetInterstitialPage()) { |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1457 | // Normally the interstitial page hides itself if the user doesn't proceeed. |
| 1458 | // This would result in showing a NavigationEntry we just removed. Set this |
| 1459 | // so the interstitial triggers a reload if the user doesn't proceed. |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1460 | static_cast<InterstitialPageImpl*>(web_contents_->GetInterstitialPage())-> |
[email protected] | cadaec5 | 2012-02-08 21:53:13 | [diff] [blame] | 1461 | set_reload_on_dont_proceed(true); |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1462 | } |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1463 | } |
| 1464 | |
[email protected] | 15f46dc | 2013-01-24 05:40:24 | [diff] [blame] | 1465 | // Implemented here and not in NavigationEntry because this controller caches |
| 1466 | // the total number of screen shots across all entries. |
| 1467 | void NavigationControllerImpl::ClearAllScreenshots() { |
| 1468 | for (NavigationEntries::iterator it = entries_.begin(); |
| 1469 | it != entries_.end(); |
| 1470 | ++it) |
| 1471 | ClearScreenshot(it->get()); |
[email protected] | c87b909 | 2013-02-03 05:41:42 | [diff] [blame] | 1472 | DCHECK_EQ(GetScreenshotCount(), 0); |
[email protected] | 15f46dc | 2013-01-24 05:40:24 | [diff] [blame] | 1473 | } |
| 1474 | |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 1475 | void NavigationControllerImpl::SetSessionStorageNamespace( |
| 1476 | const std::string& partition_id, |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1477 | SessionStorageNamespace* session_storage_namespace) { |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 1478 | if (!session_storage_namespace) |
| 1479 | return; |
| 1480 | |
| 1481 | // We can't overwrite an existing SessionStorage without violating spec. |
| 1482 | // Attempts to do so may give a tab access to another tab's session storage |
| 1483 | // so die hard on an error. |
| 1484 | bool successful_insert = session_storage_namespace_map_.insert( |
| 1485 | make_pair(partition_id, |
| 1486 | static_cast<SessionStorageNamespaceImpl*>( |
| 1487 | session_storage_namespace))) |
| 1488 | .second; |
| 1489 | CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace"; |
| 1490 | } |
| 1491 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1492 | void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) { |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 1493 | max_restored_page_id_ = max_id; |
| 1494 | } |
| 1495 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1496 | int32 NavigationControllerImpl::GetMaxRestoredPageID() const { |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 1497 | return max_restored_page_id_; |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1498 | } |
| 1499 | |
| 1500 | SessionStorageNamespace* |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1501 | NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) { |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 1502 | std::string partition_id; |
| 1503 | if (instance) { |
| 1504 | // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove |
| 1505 | // this if statement so |instance| must not be NULL. |
| 1506 | partition_id = |
[email protected] | e94bbcb | 2012-09-07 05:33:57 | [diff] [blame] | 1507 | GetContentClient()->browser()->GetStoragePartitionIdForSite( |
[email protected] | 77ab1731 | 2012-09-28 15:34:59 | [diff] [blame] | 1508 | browser_context_, instance->GetSiteURL()); |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 1509 | } |
| 1510 | |
| 1511 | SessionStorageNamespaceMap::const_iterator it = |
| 1512 | session_storage_namespace_map_.find(partition_id); |
| 1513 | if (it != session_storage_namespace_map_.end()) |
| 1514 | return it->second.get(); |
| 1515 | |
| 1516 | // Create one if no one has accessed session storage for this partition yet. |
[email protected] | 4c3a2358 | 2012-08-18 08:54:34 | [diff] [blame] | 1517 | // |
| 1518 | // TODO(ajwong): Should this use the |partition_id| directly rather than |
| 1519 | // re-lookup via |instance|? http://crbug.com/142685 |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1520 | StoragePartition* partition = |
[email protected] | 4c3a2358 | 2012-08-18 08:54:34 | [diff] [blame] | 1521 | BrowserContext::GetStoragePartition(browser_context_, instance); |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 1522 | SessionStorageNamespaceImpl* session_storage_namespace = |
| 1523 | new SessionStorageNamespaceImpl( |
| 1524 | static_cast<DOMStorageContextImpl*>( |
[email protected] | 4c3a2358 | 2012-08-18 08:54:34 | [diff] [blame] | 1525 | partition->GetDOMStorageContext())); |
[email protected] | d1198fd | 2012-08-13 22:50:19 | [diff] [blame] | 1526 | session_storage_namespace_map_[partition_id] = session_storage_namespace; |
| 1527 | |
| 1528 | return session_storage_namespace; |
| 1529 | } |
| 1530 | |
| 1531 | SessionStorageNamespace* |
| 1532 | NavigationControllerImpl::GetDefaultSessionStorageNamespace() { |
| 1533 | // TODO(ajwong): Remove if statement in GetSessionStorageNamespace(). |
| 1534 | return GetSessionStorageNamespace(NULL); |
| 1535 | } |
| 1536 | |
| 1537 | const SessionStorageNamespaceMap& |
| 1538 | NavigationControllerImpl::GetSessionStorageNamespaceMap() const { |
| 1539 | return session_storage_namespace_map_; |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1540 | } |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1541 | |
| 1542 | bool NavigationControllerImpl::NeedsReload() const { |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 1543 | return needs_reload_; |
| 1544 | } |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1545 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1546 | void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) { |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1547 | DCHECK(index < GetEntryCount()); |
[email protected] | 6a13a6c | 2011-12-20 21:47:12 | [diff] [blame] | 1548 | DCHECK(index != last_committed_entry_index_); |
[email protected] | 4303234 | 2011-03-21 14:10:31 | [diff] [blame] | 1549 | |
| 1550 | DiscardNonCommittedEntries(); |
| 1551 | |
| 1552 | entries_.erase(entries_.begin() + index); |
[email protected] | 6a13a6c | 2011-12-20 21:47:12 | [diff] [blame] | 1553 | if (last_committed_entry_index_ > index) |
[email protected] | 4303234 | 2011-03-21 14:10:31 | [diff] [blame] | 1554 | last_committed_entry_index_--; |
| 1555 | } |
| 1556 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1557 | void NavigationControllerImpl::DiscardNonCommittedEntries() { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1558 | bool transient = transient_entry_index_ != -1; |
| 1559 | DiscardNonCommittedEntriesInternal(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1560 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1561 | // If there was a transient entry, invalidate everything so the new active |
| 1562 | // entry state is shown. |
| 1563 | if (transient) { |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1564 | web_contents_->NotifyNavigationStateChanged(kInvalidateAll); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1565 | } |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1566 | } |
| 1567 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1568 | NavigationEntry* NavigationControllerImpl::GetPendingEntry() const { |
[email protected] | 022af74 | 2011-12-28 18:37:25 | [diff] [blame] | 1569 | return pending_entry_; |
| 1570 | } |
| 1571 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1572 | int NavigationControllerImpl::GetPendingEntryIndex() const { |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1573 | return pending_entry_index_; |
| 1574 | } |
| 1575 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1576 | void NavigationControllerImpl::InsertOrReplaceEntry(NavigationEntryImpl* entry, |
| 1577 | bool replace) { |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1578 | DCHECK(entry->GetTransitionType() != PAGE_TRANSITION_AUTO_SUBFRAME); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1579 | |
| 1580 | // Copy the pending entry's unique ID to the committed entry. |
| 1581 | // I don't know if pending_entry_index_ can be other than -1 here. |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1582 | const NavigationEntryImpl* const pending_entry = |
| 1583 | (pending_entry_index_ == -1) ? |
| 1584 | pending_entry_ : entries_[pending_entry_index_].get(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1585 | if (pending_entry) |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1586 | entry->set_unique_id(pending_entry->GetUniqueID()); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1587 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1588 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1589 | |
| 1590 | int current_size = static_cast<int>(entries_.size()); |
| 1591 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1592 | if (current_size > 0) { |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 1593 | // Prune any entries which are in front of the current entry. |
| 1594 | // Also prune the current entry if we are to replace the current entry. |
[email protected] | 47dcbdc | 2011-05-27 15:08:31 | [diff] [blame] | 1595 | // last_committed_entry_index_ must be updated here since calls to |
| 1596 | // NotifyPrunedEntries() below may re-enter and we must make sure |
| 1597 | // last_committed_entry_index_ is not left in an invalid state. |
| 1598 | if (replace) |
| 1599 | --last_committed_entry_index_; |
| 1600 | |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1601 | int num_pruned = 0; |
[email protected] | 47dcbdc | 2011-05-27 15:08:31 | [diff] [blame] | 1602 | while (last_committed_entry_index_ < (current_size - 1)) { |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1603 | num_pruned++; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1604 | entries_.pop_back(); |
| 1605 | current_size--; |
| 1606 | } |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1607 | if (num_pruned > 0) // Only notify if we did prune something. |
| 1608 | NotifyPrunedEntries(this, false, num_pruned); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1609 | } |
| 1610 | |
[email protected] | 944822b | 2012-03-02 20:57:25 | [diff] [blame] | 1611 | PruneOldestEntryIfFull(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1612 | |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1613 | entries_.push_back(linked_ptr<NavigationEntryImpl>(entry)); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1614 | last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1615 | |
| 1616 | // This is a new page ID, so we need everybody to know about it. |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1617 | web_contents_->UpdateMaxPageID(entry->GetPageID()); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1618 | } |
| 1619 | |
[email protected] | 944822b | 2012-03-02 20:57:25 | [diff] [blame] | 1620 | void NavigationControllerImpl::PruneOldestEntryIfFull() { |
| 1621 | if (entries_.size() >= max_entry_count()) { |
| 1622 | DCHECK_EQ(max_entry_count(), entries_.size()); |
| 1623 | DCHECK(last_committed_entry_index_ > 0); |
| 1624 | RemoveEntryAtIndex(0); |
| 1625 | NotifyPrunedEntries(this, true, 1); |
| 1626 | } |
| 1627 | } |
| 1628 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1629 | void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) { |
[email protected] | 72097fd0 | 2010-01-21 23:36:01 | [diff] [blame] | 1630 | needs_reload_ = false; |
| 1631 | |
[email protected] | 83c2e23 | 2011-10-07 21:36:46 | [diff] [blame] | 1632 | // If we were navigating to a slow-to-commit page, and the user performs |
| 1633 | // a session history navigation to the last committed page, RenderViewHost |
| 1634 | // will force the throbber to start, but WebKit will essentially ignore the |
| 1635 | // navigation, and won't send a message to stop the throbber. To prevent this |
| 1636 | // from happening, we drop the navigation here and stop the slow-to-commit |
| 1637 | // page from loading (which would normally happen during the navigation). |
| 1638 | if (pending_entry_index_ != -1 && |
| 1639 | pending_entry_index_ == last_committed_entry_index_ && |
| 1640 | (entries_[pending_entry_index_]->restore_type() == |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1641 | NavigationEntryImpl::RESTORE_NONE) && |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1642 | (entries_[pending_entry_index_]->GetTransitionType() & |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1643 | PAGE_TRANSITION_FORWARD_BACK)) { |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1644 | web_contents_->Stop(); |
[email protected] | 6a13a6c | 2011-12-20 21:47:12 | [diff] [blame] | 1645 | |
| 1646 | // If an interstitial page is showing, we want to close it to get back |
| 1647 | // to what was showing before. |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1648 | if (web_contents_->GetInterstitialPage()) |
| 1649 | web_contents_->GetInterstitialPage()->DontProceed(); |
[email protected] | 6a13a6c | 2011-12-20 21:47:12 | [diff] [blame] | 1650 | |
[email protected] | 83c2e23 | 2011-10-07 21:36:46 | [diff] [blame] | 1651 | DiscardNonCommittedEntries(); |
| 1652 | return; |
| 1653 | } |
| 1654 | |
[email protected] | 6a13a6c | 2011-12-20 21:47:12 | [diff] [blame] | 1655 | // If an interstitial page is showing, the previous renderer is blocked and |
| 1656 | // cannot make new requests. Unblock (and disable) it to allow this |
| 1657 | // navigation to succeed. The interstitial will stay visible until the |
| 1658 | // resulting DidNavigate. |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1659 | if (web_contents_->GetInterstitialPage()) { |
| 1660 | static_cast<InterstitialPageImpl*>(web_contents_->GetInterstitialPage())-> |
[email protected] | cadaec5 | 2012-02-08 21:53:13 | [diff] [blame] | 1661 | CancelForNavigation(); |
| 1662 | } |
[email protected] | 6a13a6c | 2011-12-20 21:47:12 | [diff] [blame] | 1663 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1664 | // For session history navigations only the pending_entry_index_ is set. |
| 1665 | if (!pending_entry_) { |
[email protected] | 4bf3522c | 2010-08-19 21:00:20 | [diff] [blame] | 1666 | DCHECK_NE(pending_entry_index_, -1); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1667 | pending_entry_ = entries_[pending_entry_index_].get(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1668 | } |
| 1669 | |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1670 | if (!web_contents_->NavigateToPendingEntry(reload_type)) |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1671 | DiscardNonCommittedEntries(); |
[email protected] | 77362eb | 2011-08-01 17:18:38 | [diff] [blame] | 1672 | |
| 1673 | // If the entry is being restored and doesn't have a SiteInstance yet, fill |
| 1674 | // it in now that we know. This allows us to find the entry when it commits. |
| 1675 | // This works for browser-initiated navigations. We handle renderer-initiated |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1676 | // navigations to restored entries in WebContentsImpl::OnGoToEntryAtOffset. |
[email protected] | 77362eb | 2011-08-01 17:18:38 | [diff] [blame] | 1677 | if (pending_entry_ && !pending_entry_->site_instance() && |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1678 | pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE) { |
[email protected] | b658359 | 2012-01-25 19:52:33 | [diff] [blame] | 1679 | pending_entry_->set_site_instance(static_cast<SiteInstanceImpl*>( |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1680 | web_contents_->GetPendingSiteInstance())); |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1681 | pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE); |
[email protected] | 77362eb | 2011-08-01 17:18:38 | [diff] [blame] | 1682 | } |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1683 | } |
| 1684 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1685 | void NavigationControllerImpl::NotifyNavigationEntryCommitted( |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1686 | LoadCommittedDetails* details) { |
[email protected] | df1af24 | 2009-05-01 00:11:40 | [diff] [blame] | 1687 | details->entry = GetActiveEntry(); |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1688 | NotificationDetails notification_details = |
| 1689 | Details<LoadCommittedDetails>(details); |
[email protected] | df1af24 | 2009-05-01 00:11:40 | [diff] [blame] | 1690 | |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1691 | // We need to notify the ssl_manager_ before the web_contents_ so the |
[email protected] | df1af24 | 2009-05-01 00:11:40 | [diff] [blame] | 1692 | // location bar will have up-to-date information about the security style |
| 1693 | // when it wants to draw. See http://crbug.com/11157 |
| 1694 | ssl_manager_.DidCommitProvisionalLoad(notification_details); |
| 1695 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1696 | // TODO(pkasting): http://b/1113079 Probably these explicit notification paths |
| 1697 | // should be removed, and interested parties should just listen for the |
| 1698 | // notification below instead. |
[email protected] | 2db9bd7 | 2012-04-13 20:20:56 | [diff] [blame] | 1699 | web_contents_->NotifyNavigationStateChanged(kInvalidateAll); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1700 | |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1701 | NotificationService::current()->Notify( |
| 1702 | NOTIFICATION_NAV_ENTRY_COMMITTED, |
| 1703 | Source<NavigationController>(this), |
[email protected] | df1af24 | 2009-05-01 00:11:40 | [diff] [blame] | 1704 | notification_details); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1705 | } |
| 1706 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1707 | // static |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1708 | size_t NavigationControllerImpl::max_entry_count() { |
[email protected] | 9b51970d | 2011-12-09 23:10:23 | [diff] [blame] | 1709 | if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet) |
| 1710 | return max_entry_count_for_testing_; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1711 | return kMaxSessionHistoryEntries; |
[email protected] | 9b51970d | 2011-12-09 23:10:23 | [diff] [blame] | 1712 | } |
| 1713 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1714 | void NavigationControllerImpl::SetActive(bool is_active) { |
[email protected] | ee61392 | 2009-09-02 20:38:22 | [diff] [blame] | 1715 | if (is_active && needs_reload_) |
| 1716 | LoadIfNecessary(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1717 | } |
| 1718 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1719 | void NavigationControllerImpl::LoadIfNecessary() { |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1720 | if (!needs_reload_) |
| 1721 | return; |
| 1722 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1723 | // Calling Reload() results in ignoring state, and not loading. |
| 1724 | // Explicitly use NavigateToPendingEntry so that the renderer uses the |
| 1725 | // cached state. |
| 1726 | pending_entry_index_ = last_committed_entry_index_; |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 1727 | NavigateToPendingEntry(NO_RELOAD); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1728 | } |
| 1729 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1730 | void NavigationControllerImpl::NotifyEntryChanged(const NavigationEntry* entry, |
| 1731 | int index) { |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1732 | EntryChangedDetails det; |
[email protected] | 534e54b | 2008-08-13 15:40:09 | [diff] [blame] | 1733 | det.changed_entry = entry; |
| 1734 | det.index = index; |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1735 | NotificationService::current()->Notify( |
| 1736 | NOTIFICATION_NAV_ENTRY_CHANGED, |
| 1737 | Source<NavigationController>(this), |
| 1738 | Details<EntryChangedDetails>(&det)); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1739 | } |
| 1740 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1741 | void NavigationControllerImpl::FinishRestore(int selected_index, |
[email protected] | 2ca1ea66 | 2012-10-04 02:26:36 | [diff] [blame] | 1742 | RestoreType type) { |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1743 | DCHECK(selected_index >= 0 && selected_index < GetEntryCount()); |
[email protected] | 2ca1ea66 | 2012-10-04 02:26:36 | [diff] [blame] | 1744 | ConfigureEntriesForRestore(&entries_, type); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1745 | |
[email protected] | 71fde35 | 2011-12-29 03:29:56 | [diff] [blame] | 1746 | SetMaxRestoredPageID(static_cast<int32>(GetEntryCount())); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1747 | |
| 1748 | last_committed_entry_index_ = selected_index; |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1749 | } |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1750 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1751 | void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1752 | if (pending_entry_index_ == -1) |
| 1753 | delete pending_entry_; |
| 1754 | pending_entry_ = NULL; |
| 1755 | pending_entry_index_ = -1; |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1756 | |
| 1757 | DiscardTransientEntry(); |
| 1758 | } |
| 1759 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1760 | void NavigationControllerImpl::DiscardTransientEntry() { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1761 | if (transient_entry_index_ == -1) |
| 1762 | return; |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 1763 | entries_.erase(entries_.begin() + transient_entry_index_); |
[email protected] | 80858db5 | 2009-10-15 00:35:18 | [diff] [blame] | 1764 | if (last_committed_entry_index_ > transient_entry_index_) |
| 1765 | last_committed_entry_index_--; |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1766 | transient_entry_index_ = -1; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1767 | } |
| 1768 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1769 | int NavigationControllerImpl::GetEntryIndexWithPageID( |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 1770 | SiteInstance* instance, int32 page_id) const { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1771 | for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) { |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 1772 | if ((entries_[i]->site_instance() == instance) && |
[email protected] | 36fc039 | 2011-12-25 03:59:51 | [diff] [blame] | 1773 | (entries_[i]->GetPageID() == page_id)) |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1774 | return i; |
| 1775 | } |
| 1776 | return -1; |
| 1777 | } |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1778 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1779 | NavigationEntry* NavigationControllerImpl::GetTransientEntry() const { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1780 | if (transient_entry_index_ == -1) |
| 1781 | return NULL; |
| 1782 | return entries_[transient_entry_index_].get(); |
| 1783 | } |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1784 | |
[email protected] | 0b68426 | 2013-02-20 02:18:21 | [diff] [blame] | 1785 | void NavigationControllerImpl::SetTransientEntry(NavigationEntry* entry) { |
| 1786 | // Discard any current transient entry, we can only have one at a time. |
| 1787 | int index = 0; |
| 1788 | if (last_committed_entry_index_ != -1) |
| 1789 | index = last_committed_entry_index_ + 1; |
| 1790 | DiscardTransientEntry(); |
| 1791 | entries_.insert( |
| 1792 | entries_.begin() + index, linked_ptr<NavigationEntryImpl>( |
| 1793 | NavigationEntryImpl::FromNavigationEntry(entry))); |
| 1794 | transient_entry_index_ = index; |
| 1795 | web_contents_->NotifyNavigationStateChanged(kInvalidateAll); |
| 1796 | } |
| 1797 | |
[email protected] | d202a7c | 2012-01-04 07:53:47 | [diff] [blame] | 1798 | void NavigationControllerImpl::InsertEntriesFrom( |
| 1799 | const NavigationControllerImpl& source, |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1800 | int max_index) { |
[email protected] | a2602382 | 2011-12-29 00:23:55 | [diff] [blame] | 1801 | DCHECK_LE(max_index, source.GetEntryCount()); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1802 | size_t insert_index = 0; |
| 1803 | for (int i = 0; i < max_index; i++) { |
| 1804 | // When cloning a tab, copy all entries except interstitial pages |
[email protected] | ad23a09 | 2011-12-28 07:02:04 | [diff] [blame] | 1805 | if (source.entries_[i].get()->GetPageType() != |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1806 | PAGE_TYPE_INTERSTITIAL) { |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1807 | entries_.insert(entries_.begin() + insert_index++, |
[email protected] | 10f417c5 | 2011-12-28 21:04:23 | [diff] [blame] | 1808 | linked_ptr<NavigationEntryImpl>( |
| 1809 | new NavigationEntryImpl(*source.entries_[i]))); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1810 | } |
| 1811 | } |
| 1812 | } |
[email protected] | c5b88d8 | 2012-10-06 17:03:33 | [diff] [blame] | 1813 | |
| 1814 | void NavigationControllerImpl::SetGetTimestampCallbackForTest( |
| 1815 | const base::Callback<base::Time()>& get_timestamp_callback) { |
| 1816 | get_timestamp_callback_ = get_timestamp_callback; |
| 1817 | } |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1818 | |
[email protected] | e3d92a7f | 2013-01-10 02:35:05 | [diff] [blame] | 1819 | void NavigationControllerImpl::SetTakeScreenshotCallbackForTest( |
| 1820 | const base::Callback<void(RenderViewHost*)>& take_screenshot_callback) { |
| 1821 | take_screenshot_callback_ = take_screenshot_callback; |
| 1822 | } |
| 1823 | |
[email protected] | 8ff00d7 | 2012-10-23 19:12:21 | [diff] [blame] | 1824 | } // namespace content |