[email protected] | 7f070d4 | 2011-03-09 20:25:32 | [diff] [blame] | 1 | // Copyright (c) 2011 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] | 0dd3a0ab | 2011-02-18 08:17:44 | [diff] [blame] | 5 | #include "content/browser/tab_contents/navigation_controller.h" |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 6 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 7 | #include "base/file_util.h" |
| 8 | #include "base/logging.h" |
| 9 | #include "base/string_util.h" |
[email protected] | b689fce7 | 2009-03-17 22:45:34 | [diff] [blame] | 10 | #include "base/time.h" |
[email protected] | 252cad6 | 2010-08-18 18:33:57 | [diff] [blame] | 11 | #include "base/utf_string_conversions.h" |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 12 | #include "content/browser/browser_context.h" |
[email protected] | b8148ac | 2011-07-13 22:03:25 | [diff] [blame] | 13 | #include "content/browser/browser_url_handler.h" |
[email protected] | 419a057 | 2011-04-18 22:21:46 | [diff] [blame] | 14 | #include "content/browser/child_process_security_policy.h" |
[email protected] | 567812d | 2011-02-24 17:40:50 | [diff] [blame] | 15 | #include "content/browser/in_process_webkit/session_storage_namespace.h" |
| 16 | #include "content/browser/site_instance.h" |
[email protected] | 0dd3a0ab | 2011-02-18 08:17:44 | [diff] [blame] | 17 | #include "content/browser/tab_contents/interstitial_page.h" |
[email protected] | 8286f51a | 2011-05-31 17:39:13 | [diff] [blame] | 18 | #include "content/browser/tab_contents/navigation_details.h" |
[email protected] | 0dd3a0ab | 2011-02-18 08:17:44 | [diff] [blame] | 19 | #include "content/browser/tab_contents/navigation_entry.h" |
| 20 | #include "content/browser/tab_contents/tab_contents.h" |
| 21 | #include "content/browser/tab_contents/tab_contents_delegate.h" |
[email protected] | 485e823 | 2011-07-24 18:03:46 | [diff] [blame] | 22 | #include "content/browser/user_metrics.h" |
[email protected] | 9966325b | 2011-04-18 05:00:10 | [diff] [blame] | 23 | #include "content/common/content_constants.h" |
[email protected] | 4dd5793 | 2011-03-17 06:06:12 | [diff] [blame] | 24 | #include "content/common/navigation_types.h" |
[email protected] | 7f070d4 | 2011-03-09 20:25:32 | [diff] [blame] | 25 | #include "content/common/notification_service.h" |
[email protected] | 0aed2f5 | 2011-03-23 18:06:36 | [diff] [blame] | 26 | #include "content/common/view_messages.h" |
[email protected] | 0d6e9bd | 2011-10-18 04:29:16 | [diff] [blame^] | 27 | #include "content/public/browser/notification_types.h" |
[email protected] | a23de857 | 2009-06-03 02:16:32 | [diff] [blame] | 28 | #include "net/base/escape.h" |
[email protected] | 3168228 | 2010-01-15 18:05:16 | [diff] [blame] | 29 | #include "net/base/mime_util.h" |
[email protected] | 7f070d4 | 2011-03-09 20:25:32 | [diff] [blame] | 30 | #include "net/base/net_util.h" |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 31 | #include "webkit/glue/webkit_glue.h" |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 32 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 33 | namespace { |
| 34 | |
[email protected] | 93f230e0 | 2011-06-01 14:40:00 | [diff] [blame] | 35 | const int kInvalidateAll = 0xFFFFFFFF; |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 36 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 37 | // Invoked when entries have been pruned, or removed. For example, if the |
| 38 | // current entries are [google, digg, yahoo], with the current entry google, |
| 39 | // and the user types in cnet, then digg and yahoo are pruned. |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 40 | void NotifyPrunedEntries(NavigationController* nav_controller, |
| 41 | bool from_front, |
| 42 | int count) { |
[email protected] | 8286f51a | 2011-05-31 17:39:13 | [diff] [blame] | 43 | content::PrunedDetails details; |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 44 | details.from_front = from_front; |
| 45 | details.count = count; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 46 | NotificationService::current()->Notify( |
[email protected] | 43211582 | 2011-07-10 15:52:27 | [diff] [blame] | 47 | content::NOTIFICATION_NAV_LIST_PRUNED, |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 48 | Source<NavigationController>(nav_controller), |
[email protected] | 8286f51a | 2011-05-31 17:39:13 | [diff] [blame] | 49 | Details<content::PrunedDetails>(&details)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | // Ensure the given NavigationEntry has a valid state, so that WebKit does not |
| 53 | // get confused if we navigate back to it. |
[email protected] | 40bcc30 | 2009-03-02 20:50:39 | [diff] [blame] | 54 | // |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 55 | // An empty state is treated as a new navigation by WebKit, which would mean |
| 56 | // losing the navigation entries and generating a new navigation entry after |
| 57 | // this one. We don't want that. To avoid this we create a valid state which |
| 58 | // WebKit will not treat as a new navigation. |
| 59 | void SetContentStateIfEmpty(NavigationEntry* entry) { |
[email protected] | 965524b | 2009-04-04 21:32:40 | [diff] [blame] | 60 | if (entry->content_state().empty()) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 61 | entry->set_content_state( |
| 62 | webkit_glue::CreateHistoryStateForURL(entry->url())); |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | // Configure all the NavigationEntries in entries for restore. This resets |
| 67 | // the transition type to reload and makes sure the content state isn't empty. |
| 68 | void ConfigureEntriesForRestore( |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 69 | std::vector<linked_ptr<NavigationEntry> >* entries, |
| 70 | bool from_last_session) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 71 | for (size_t i = 0; i < entries->size(); ++i) { |
| 72 | // Use a transition type of reload so that we don't incorrectly increase |
| 73 | // the typed count. |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 74 | (*entries)[i]->set_transition_type(content::PAGE_TRANSITION_RELOAD); |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 75 | (*entries)[i]->set_restore_type(from_last_session ? |
| 76 | NavigationEntry::RESTORE_LAST_SESSION : |
| 77 | NavigationEntry::RESTORE_CURRENT_SESSION); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 78 | // NOTE(darin): This code is only needed for backwards compat. |
| 79 | SetContentStateIfEmpty((*entries)[i].get()); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | // See NavigationController::IsURLInPageNavigation for how this works and why. |
| 84 | bool AreURLsInPageNavigation(const GURL& existing_url, const GURL& new_url) { |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 85 | if (existing_url == new_url || !new_url.has_ref()) { |
| 86 | // TODO(jcampan): what about when navigating back from a ref URL to the top |
| 87 | // non ref URL? Nothing is loaded in that case but we return false here. |
| 88 | // The user could also navigate from the ref URL to the non ref URL by |
| 89 | // entering the non ref URL in the location bar or through a bookmark, in |
| 90 | // which case there would be a load. I am not sure if the non-load/load |
| 91 | // scenarios can be differentiated with the TransitionType. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 92 | return false; |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 93 | } |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 94 | |
| 95 | url_canon::Replacements<char> replacements; |
| 96 | replacements.ClearRef(); |
| 97 | return existing_url.ReplaceComponents(replacements) == |
| 98 | new_url.ReplaceComponents(replacements); |
| 99 | } |
| 100 | |
| 101 | } // namespace |
| 102 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 103 | // NavigationController --------------------------------------------------- |
| 104 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 105 | // static |
[email protected] | 3cc72b1 | 2010-03-18 23:03:00 | [diff] [blame] | 106 | size_t NavigationController::max_entry_count_ = |
[email protected] | 9966325b | 2011-04-18 05:00:10 | [diff] [blame] | 107 | content::kMaxSessionHistoryEntries; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 108 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 109 | // static |
| 110 | bool NavigationController::check_for_repost_ = true; |
| 111 | |
[email protected] | 6ee12c4 | 2010-09-14 09:36:07 | [diff] [blame] | 112 | NavigationController::NavigationController( |
| 113 | TabContents* contents, |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 114 | content::BrowserContext* browser_context, |
[email protected] | 6ee12c4 | 2010-09-14 09:36:07 | [diff] [blame] | 115 | SessionStorageNamespace* session_storage_namespace) |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 116 | : browser_context_(browser_context), |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 117 | pending_entry_(NULL), |
| 118 | last_committed_entry_index_(-1), |
| 119 | pending_entry_index_(-1), |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 120 | transient_entry_index_(-1), |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 121 | tab_contents_(contents), |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 122 | max_restored_page_id_(-1), |
[email protected] | 5d06384 | 2009-05-15 04:08:24 | [diff] [blame] | 123 | ALLOW_THIS_IN_INITIALIZER_LIST(ssl_manager_(this)), |
[email protected] | 38b8f4e | 2009-09-24 19:44:57 | [diff] [blame] | 124 | needs_reload_(false), |
[email protected] | 6ee12c4 | 2010-09-14 09:36:07 | [diff] [blame] | 125 | session_storage_namespace_(session_storage_namespace), |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 126 | pending_reload_(NO_RELOAD) { |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 127 | DCHECK(browser_context_); |
[email protected] | 228d0659 | 2011-04-01 20:38:59 | [diff] [blame] | 128 | if (!session_storage_namespace_) { |
| 129 | session_storage_namespace_ = new SessionStorageNamespace( |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 130 | browser_context_->GetWebKitContext()); |
[email protected] | 228d0659 | 2011-04-01 20:38:59 | [diff] [blame] | 131 | } |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 132 | } |
| 133 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 134 | NavigationController::~NavigationController() { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 135 | DiscardNonCommittedEntriesInternal(); |
[email protected] | c099387 | 2008-08-21 19:59:44 | [diff] [blame] | 136 | |
[email protected] | bfd04a6 | 2009-02-01 18:16:56 | [diff] [blame] | 137 | NotificationService::current()->Notify( |
[email protected] | 43211582 | 2011-07-10 15:52:27 | [diff] [blame] | 138 | content::NOTIFICATION_TAB_CLOSED, |
[email protected] | bfd04a6 | 2009-02-01 18:16:56 | [diff] [blame] | 139 | Source<NavigationController>(this), |
| 140 | NotificationService::NoDetails()); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 141 | } |
| 142 | |
[email protected] | 03838e2 | 2011-06-06 15:27:14 | [diff] [blame] | 143 | void NavigationController::Restore( |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 144 | int selected_navigation, |
[email protected] | 03838e2 | 2011-06-06 15:27:14 | [diff] [blame] | 145 | bool from_last_session, |
| 146 | std::vector<NavigationEntry*>* entries) { |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 147 | // Verify that this controller is unused and that the input is valid. |
| 148 | DCHECK(entry_count() == 0 && !pending_entry()); |
| 149 | DCHECK(selected_navigation >= 0 && |
[email protected] | 03838e2 | 2011-06-06 15:27:14 | [diff] [blame] | 150 | selected_navigation < static_cast<int>(entries->size())); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 151 | |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 152 | needs_reload_ = true; |
[email protected] | 03838e2 | 2011-06-06 15:27:14 | [diff] [blame] | 153 | for (size_t i = 0; i < entries->size(); ++i) |
| 154 | entries_.push_back(linked_ptr<NavigationEntry>((*entries)[i])); |
| 155 | entries->clear(); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 156 | |
| 157 | // And finish the restore. |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 158 | FinishRestore(selected_navigation, from_last_session); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 159 | } |
| 160 | |
[email protected] | f1c7411 | 2008-10-30 16:17:04 | [diff] [blame] | 161 | void NavigationController::Reload(bool check_for_repost) { |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 162 | ReloadInternal(check_for_repost, RELOAD); |
| 163 | } |
| 164 | void NavigationController::ReloadIgnoringCache(bool check_for_repost) { |
| 165 | ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE); |
| 166 | } |
| 167 | |
| 168 | void NavigationController::ReloadInternal(bool check_for_repost, |
| 169 | ReloadType reload_type) { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 170 | // Reloading a transient entry does nothing. |
| 171 | if (transient_entry_index_ != -1) |
| 172 | return; |
| 173 | |
| 174 | DiscardNonCommittedEntriesInternal(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 175 | int current_index = GetCurrentEntryIndex(); |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 176 | // If we are no where, then we can't reload. TODO(darin): We should add a |
| 177 | // CanReload method. |
| 178 | if (current_index == -1) { |
| 179 | return; |
| 180 | } |
| 181 | |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 182 | if (check_for_repost_ && check_for_repost && |
[email protected] | a3a1d14 | 2008-12-19 00:42:30 | [diff] [blame] | 183 | GetEntryAtIndex(current_index)->has_post_data()) { |
| 184 | // 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] | 185 | // they really want to do this. If they do, the dialog will call us back |
| 186 | // with check_for_repost = false. |
[email protected] | 965bb09 | 2010-04-09 11:59:02 | [diff] [blame] | 187 | NotificationService::current()->Notify( |
[email protected] | 43211582 | 2011-07-10 15:52:27 | [diff] [blame] | 188 | content::NOTIFICATION_REPOST_WARNING_SHOWN, |
[email protected] | 965bb09 | 2010-04-09 11:59:02 | [diff] [blame] | 189 | Source<NavigationController>(this), |
| 190 | NotificationService::NoDetails()); |
| 191 | |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 192 | pending_reload_ = reload_type; |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 193 | tab_contents_->Activate(); |
[email protected] | 14f3408a | 2009-08-31 20:53:53 | [diff] [blame] | 194 | tab_contents_->delegate()->ShowRepostFormWarningDialog(tab_contents_); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 195 | } else { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 196 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 197 | |
| 198 | pending_entry_index_ = current_index; |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 199 | entries_[pending_entry_index_]->set_transition_type( |
| 200 | content::PAGE_TRANSITION_RELOAD); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 201 | NavigateToPendingEntry(reload_type); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 202 | } |
| 203 | } |
| 204 | |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 205 | void NavigationController::CancelPendingReload() { |
| 206 | DCHECK(pending_reload_ != NO_RELOAD); |
| 207 | pending_reload_ = NO_RELOAD; |
| 208 | } |
| 209 | |
| 210 | void NavigationController::ContinuePendingReload() { |
| 211 | if (pending_reload_ == NO_RELOAD) { |
| 212 | NOTREACHED(); |
| 213 | } else { |
| 214 | ReloadInternal(false, pending_reload_); |
[email protected] | 965bb09 | 2010-04-09 11:59:02 | [diff] [blame] | 215 | pending_reload_ = NO_RELOAD; |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 216 | } |
| 217 | } |
| 218 | |
[email protected] | c70f9b8 | 2010-04-21 07:31:11 | [diff] [blame] | 219 | bool NavigationController::IsInitialNavigation() { |
| 220 | return last_document_loaded_.is_null(); |
| 221 | } |
| 222 | |
[email protected] | b6ea741 | 2010-05-04 23:26:47 | [diff] [blame] | 223 | // static |
| 224 | NavigationEntry* NavigationController::CreateNavigationEntry( |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 225 | const GURL& url, const GURL& referrer, content::PageTransition transition, |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 226 | bool is_renderer_initiated, const std::string& extra_headers, |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 227 | content::BrowserContext* browser_context) { |
[email protected] | b6ea741 | 2010-05-04 23:26:47 | [diff] [blame] | 228 | // Allow the browser URL handler to rewrite the URL. This will, for example, |
| 229 | // remove "view-source:" from the beginning of the URL to get the URL that |
| 230 | // will actually be loaded. This real URL won't be shown to the user, just |
| 231 | // used internally. |
| 232 | GURL loaded_url(url); |
| 233 | bool reverse_on_redirect = false; |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 234 | BrowserURLHandler::GetInstance()->RewriteURLIfNecessary( |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 235 | &loaded_url, browser_context, &reverse_on_redirect); |
[email protected] | b6ea741 | 2010-05-04 23:26:47 | [diff] [blame] | 236 | |
| 237 | NavigationEntry* entry = new NavigationEntry( |
| 238 | NULL, // The site instance for tabs is sent on navigation |
| 239 | // (TabContents::GetSiteInstance). |
| 240 | -1, |
| 241 | loaded_url, |
| 242 | referrer, |
[email protected] | 6b2f7a8 | 2011-04-25 19:30:51 | [diff] [blame] | 243 | string16(), |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 244 | transition, |
| 245 | is_renderer_initiated); |
[email protected] | b6ea741 | 2010-05-04 23:26:47 | [diff] [blame] | 246 | entry->set_virtual_url(url); |
| 247 | entry->set_user_typed_url(url); |
| 248 | entry->set_update_virtual_url_with_url(reverse_on_redirect); |
[email protected] | 6c6b02d | 2011-09-02 03:36:47 | [diff] [blame] | 249 | entry->set_extra_headers(extra_headers); |
[email protected] | b6ea741 | 2010-05-04 23:26:47 | [diff] [blame] | 250 | return entry; |
| 251 | } |
| 252 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 253 | NavigationEntry* NavigationController::GetEntryWithPageID( |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 254 | SiteInstance* instance, int32 page_id) const { |
| 255 | int index = GetEntryIndexWithPageID(instance, page_id); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 256 | return (index != -1) ? entries_[index].get() : NULL; |
| 257 | } |
| 258 | |
| 259 | void NavigationController::LoadEntry(NavigationEntry* entry) { |
[email protected] | 419a057 | 2011-04-18 22:21:46 | [diff] [blame] | 260 | // Don't navigate to URLs disabled by policy. This prevents showing the URL |
| 261 | // on the Omnibar when it is also going to be blocked by |
| 262 | // ChildProcessSecurityPolicy::CanRequestURL. |
| 263 | ChildProcessSecurityPolicy *policy = |
| 264 | ChildProcessSecurityPolicy::GetInstance(); |
| 265 | if (policy->IsDisabledScheme(entry->url().scheme()) || |
| 266 | policy->IsDisabledScheme(entry->virtual_url().scheme())) { |
| 267 | VLOG(1) << "URL not loaded because the scheme is blocked by policy: " |
| 268 | << entry->url(); |
| 269 | delete entry; |
| 270 | return; |
| 271 | } |
| 272 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 273 | // When navigating to a new page, we don't know for sure if we will actually |
| 274 | // end up leaving the current page. The new page load could for example |
| 275 | // 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] | 276 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 277 | pending_entry_ = entry; |
| 278 | NotificationService::current()->Notify( |
[email protected] | 43211582 | 2011-07-10 15:52:27 | [diff] [blame] | 279 | content::NOTIFICATION_NAV_ENTRY_PENDING, |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 280 | Source<NavigationController>(this), |
[email protected] | 6c6b02d | 2011-09-02 03:36:47 | [diff] [blame] | 281 | Details<NavigationEntry>(entry)); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 282 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 283 | } |
| 284 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 285 | NavigationEntry* NavigationController::GetActiveEntry() const { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 286 | if (transient_entry_index_ != -1) |
| 287 | return entries_[transient_entry_index_].get(); |
| 288 | if (pending_entry_) |
| 289 | return pending_entry_; |
| 290 | return GetLastCommittedEntry(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 291 | } |
| 292 | |
[email protected] | 867e1f9 | 2011-08-30 19:01:19 | [diff] [blame] | 293 | NavigationEntry* NavigationController::GetVisibleEntry() const { |
| 294 | if (transient_entry_index_ != -1) |
| 295 | return entries_[transient_entry_index_].get(); |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 296 | // Only return the pending_entry for new (non-history), browser-initiated |
| 297 | // navigations, in order to prevent URL spoof attacks. |
| 298 | // Ideally we would also show the pending entry's URL for new renderer- |
| 299 | // initiated navigations with no last committed entry (e.g., a link opening |
| 300 | // in a new tab), but an attacker can insert content into the about:blank |
| 301 | // page while the pending URL loads in that case. |
| 302 | if (pending_entry_ && |
| 303 | pending_entry_->page_id() == -1 && |
| 304 | !pending_entry_->is_renderer_initiated()) |
[email protected] | 867e1f9 | 2011-08-30 19:01:19 | [diff] [blame] | 305 | return pending_entry_; |
| 306 | return GetLastCommittedEntry(); |
| 307 | } |
| 308 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 309 | int NavigationController::GetCurrentEntryIndex() const { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 310 | if (transient_entry_index_ != -1) |
| 311 | return transient_entry_index_; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 312 | if (pending_entry_index_ != -1) |
| 313 | return pending_entry_index_; |
| 314 | return last_committed_entry_index_; |
| 315 | } |
| 316 | |
| 317 | NavigationEntry* NavigationController::GetLastCommittedEntry() const { |
| 318 | if (last_committed_entry_index_ == -1) |
| 319 | return NULL; |
| 320 | return entries_[last_committed_entry_index_].get(); |
| 321 | } |
| 322 | |
[email protected] | 3168228 | 2010-01-15 18:05:16 | [diff] [blame] | 323 | bool NavigationController::CanViewSource() const { |
| 324 | bool is_supported_mime_type = net::IsSupportedNonImageMimeType( |
| 325 | tab_contents_->contents_mime_type().c_str()); |
| 326 | NavigationEntry* active_entry = GetActiveEntry(); |
| 327 | return active_entry && !active_entry->IsViewSourceMode() && |
| 328 | is_supported_mime_type; |
| 329 | } |
| 330 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 331 | NavigationEntry* NavigationController::GetEntryAtOffset(int offset) const { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 332 | int index = (transient_entry_index_ != -1) ? |
| 333 | transient_entry_index_ + offset : |
| 334 | last_committed_entry_index_ + offset; |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 335 | if (index < 0 || index >= entry_count()) |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 336 | return NULL; |
| 337 | |
| 338 | return entries_[index].get(); |
| 339 | } |
| 340 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 341 | bool NavigationController::CanGoBack() const { |
| 342 | return entries_.size() > 1 && GetCurrentEntryIndex() > 0; |
| 343 | } |
| 344 | |
| 345 | bool NavigationController::CanGoForward() const { |
| 346 | int index = GetCurrentEntryIndex(); |
| 347 | return index >= 0 && index < (static_cast<int>(entries_.size()) - 1); |
| 348 | } |
| 349 | |
| 350 | void NavigationController::GoBack() { |
| 351 | if (!CanGoBack()) { |
| 352 | NOTREACHED(); |
| 353 | return; |
| 354 | } |
| 355 | |
[email protected] | 25396da | 2010-03-11 19:19:10 | [diff] [blame] | 356 | // If an interstitial page is showing, going back is equivalent to hiding the |
| 357 | // interstitial. |
| 358 | if (tab_contents_->interstitial_page()) { |
| 359 | tab_contents_->interstitial_page()->DontProceed(); |
| 360 | return; |
| 361 | } |
| 362 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 363 | // Base the navigation on where we are now... |
| 364 | int current_index = GetCurrentEntryIndex(); |
| 365 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 366 | DiscardNonCommittedEntries(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 367 | |
| 368 | pending_entry_index_ = current_index - 1; |
[email protected] | 784688a6 | 2010-09-13 07:06:52 | [diff] [blame] | 369 | entries_[pending_entry_index_]->set_transition_type( |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 370 | content::PageTransitionFromInt( |
| 371 | entries_[pending_entry_index_]->transition_type() | |
| 372 | content::PAGE_TRANSITION_FORWARD_BACK)); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 373 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 374 | } |
| 375 | |
| 376 | void NavigationController::GoForward() { |
| 377 | if (!CanGoForward()) { |
| 378 | NOTREACHED(); |
| 379 | return; |
| 380 | } |
| 381 | |
[email protected] | 25396da | 2010-03-11 19:19:10 | [diff] [blame] | 382 | // If an interstitial page is showing, the previous renderer is blocked and |
| 383 | // cannot make new requests. Unblock (and disable) it to allow this |
| 384 | // navigation to succeed. The interstitial will stay visible until the |
| 385 | // resulting DidNavigate. |
| 386 | if (tab_contents_->interstitial_page()) { |
| 387 | tab_contents_->interstitial_page()->CancelForNavigation(); |
| 388 | } |
| 389 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 390 | bool transient = (transient_entry_index_ != -1); |
| 391 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 392 | // Base the navigation on where we are now... |
| 393 | int current_index = GetCurrentEntryIndex(); |
| 394 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 395 | DiscardNonCommittedEntries(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 396 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 397 | pending_entry_index_ = current_index; |
| 398 | // If there was a transient entry, we removed it making the current index |
| 399 | // the next page. |
| 400 | if (!transient) |
| 401 | pending_entry_index_++; |
| 402 | |
[email protected] | 784688a6 | 2010-09-13 07:06:52 | [diff] [blame] | 403 | entries_[pending_entry_index_]->set_transition_type( |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 404 | content::PageTransitionFromInt( |
| 405 | entries_[pending_entry_index_]->transition_type() | |
| 406 | content::PAGE_TRANSITION_FORWARD_BACK)); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 407 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | void NavigationController::GoToIndex(int index) { |
| 411 | if (index < 0 || index >= static_cast<int>(entries_.size())) { |
| 412 | NOTREACHED(); |
| 413 | return; |
| 414 | } |
| 415 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 416 | if (transient_entry_index_ != -1) { |
| 417 | if (index == transient_entry_index_) { |
| 418 | // Nothing to do when navigating to the transient. |
| 419 | return; |
| 420 | } |
| 421 | if (index > transient_entry_index_) { |
| 422 | // Removing the transient is goint to shift all entries by 1. |
| 423 | index--; |
| 424 | } |
| 425 | } |
| 426 | |
[email protected] | 25396da | 2010-03-11 19:19:10 | [diff] [blame] | 427 | // If an interstitial page is showing, the previous renderer is blocked and |
| 428 | // cannot make new requests. |
| 429 | if (tab_contents_->interstitial_page()) { |
| 430 | if (index == GetCurrentEntryIndex() - 1) { |
| 431 | // Going back one entry is equivalent to hiding the interstitial. |
| 432 | tab_contents_->interstitial_page()->DontProceed(); |
| 433 | return; |
| 434 | } else { |
| 435 | // Unblock the renderer (and disable the interstitial) to allow this |
| 436 | // navigation to succeed. The interstitial will stay visible until the |
| 437 | // resulting DidNavigate. |
| 438 | tab_contents_->interstitial_page()->CancelForNavigation(); |
| 439 | } |
| 440 | } |
| 441 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 442 | DiscardNonCommittedEntries(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 443 | |
| 444 | pending_entry_index_ = index; |
[email protected] | 784688a6 | 2010-09-13 07:06:52 | [diff] [blame] | 445 | entries_[pending_entry_index_]->set_transition_type( |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 446 | content::PageTransitionFromInt( |
| 447 | entries_[pending_entry_index_]->transition_type() | |
| 448 | content::PAGE_TRANSITION_FORWARD_BACK)); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 449 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 450 | } |
| 451 | |
| 452 | void NavigationController::GoToOffset(int offset) { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 453 | int index = (transient_entry_index_ != -1) ? |
| 454 | transient_entry_index_ + offset : |
| 455 | last_committed_entry_index_ + offset; |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 456 | if (index < 0 || index >= entry_count()) |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 457 | return; |
| 458 | |
| 459 | GoToIndex(index); |
| 460 | } |
| 461 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 462 | void NavigationController::RemoveEntryAtIndex(int index, |
| 463 | const GURL& default_url) { |
[email protected] | 4303234 | 2011-03-21 14:10:31 | [diff] [blame] | 464 | bool is_current = index == last_committed_entry_index_; |
| 465 | RemoveEntryAtIndexInternal(index); |
| 466 | if (is_current) { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 467 | // We removed the currently shown entry, so we have to load something else. |
| 468 | if (last_committed_entry_index_ != -1) { |
| 469 | pending_entry_index_ = last_committed_entry_index_; |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 470 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 471 | } else { |
| 472 | // If there is nothing to show, show a default page. |
[email protected] | ed3456f | 2009-02-26 20:24:48 | [diff] [blame] | 473 | LoadURL(default_url.is_empty() ? GURL("about:blank") : default_url, |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 474 | GURL(), content::PAGE_TRANSITION_START_PAGE, std::string()); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 475 | } |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 476 | } |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 477 | } |
| 478 | |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 479 | void NavigationController::UpdateVirtualURLToURL( |
| 480 | NavigationEntry* entry, const GURL& new_url) { |
| 481 | GURL new_virtual_url(new_url); |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 482 | if (BrowserURLHandler::GetInstance()->ReverseURLRewrite( |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 483 | &new_virtual_url, entry->virtual_url(), browser_context_)) { |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 484 | entry->set_virtual_url(new_virtual_url); |
| 485 | } |
| 486 | } |
| 487 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 488 | void NavigationController::AddTransientEntry(NavigationEntry* entry) { |
| 489 | // Discard any current transient entry, we can only have one at a time. |
| 490 | int index = 0; |
| 491 | if (last_committed_entry_index_ != -1) |
| 492 | index = last_committed_entry_index_ + 1; |
| 493 | DiscardTransientEntry(); |
| 494 | entries_.insert(entries_.begin() + index, linked_ptr<NavigationEntry>(entry)); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 495 | transient_entry_index_ = index; |
[email protected] | 93f230e0 | 2011-06-01 14:40:00 | [diff] [blame] | 496 | tab_contents_->NotifyNavigationStateChanged(kInvalidateAll); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 497 | } |
| 498 | |
[email protected] | 79046fd | 2011-09-10 05:48:33 | [diff] [blame] | 499 | void NavigationController::LoadURL( |
[email protected] | 6c6b02d | 2011-09-02 03:36:47 | [diff] [blame] | 500 | const GURL& url, |
| 501 | const GURL& referrer, |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 502 | content::PageTransition transition, |
[email protected] | 6c6b02d | 2011-09-02 03:36:47 | [diff] [blame] | 503 | const std::string& extra_headers) { |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 504 | // The user initiated a load, we don't need to reload anymore. |
| 505 | needs_reload_ = false; |
| 506 | |
[email protected] | b6ea741 | 2010-05-04 23:26:47 | [diff] [blame] | 507 | NavigationEntry* entry = CreateNavigationEntry(url, referrer, transition, |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 508 | false, |
| 509 | extra_headers, |
| 510 | browser_context_); |
| 511 | |
| 512 | LoadEntry(entry); |
| 513 | } |
| 514 | |
| 515 | void NavigationController::LoadURLFromRenderer( |
| 516 | const GURL& url, |
| 517 | const GURL& referrer, |
| 518 | content::PageTransition transition, |
| 519 | const std::string& extra_headers) { |
| 520 | // The user initiated a load, we don't need to reload anymore. |
| 521 | needs_reload_ = false; |
| 522 | |
| 523 | NavigationEntry* entry = CreateNavigationEntry(url, referrer, transition, |
| 524 | true, |
[email protected] | 6c6b02d | 2011-09-02 03:36:47 | [diff] [blame] | 525 | extra_headers, |
[email protected] | 3d7474ff | 2011-07-27 17:47:37 | [diff] [blame] | 526 | browser_context_); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 527 | |
| 528 | LoadEntry(entry); |
| 529 | } |
| 530 | |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 531 | void NavigationController::DocumentLoadedInFrame() { |
| 532 | last_document_loaded_ = base::TimeTicks::Now(); |
| 533 | } |
| 534 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 535 | bool NavigationController::RendererDidNavigate( |
| 536 | const ViewHostMsg_FrameNavigate_Params& params, |
[email protected] | 8286f51a | 2011-05-31 17:39:13 | [diff] [blame] | 537 | content::LoadCommittedDetails* details) { |
[email protected] | 4bf3522c | 2010-08-19 21:00:20 | [diff] [blame] | 538 | |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 539 | // Save the previous state before we clobber it. |
| 540 | if (GetLastCommittedEntry()) { |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 541 | details->previous_url = GetLastCommittedEntry()->url(); |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 542 | details->previous_entry_index = last_committed_entry_index(); |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 543 | } else { |
| 544 | details->previous_url = GURL(); |
| 545 | details->previous_entry_index = -1; |
| 546 | } |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 547 | |
[email protected] | 77362eb | 2011-08-01 17:18:38 | [diff] [blame] | 548 | // If we have a pending entry at this point, it should have a SiteInstance. |
| 549 | // Restored entries start out with a null SiteInstance, but we should have |
| 550 | // assigned one in NavigateToPendingEntry. |
| 551 | DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance()); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 552 | |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 553 | // is_in_page must be computed before the entry gets committed. |
| 554 | details->is_in_page = IsURLInPageNavigation(params.url); |
| 555 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 556 | // Do navigation-type specific actions. These will make and commit an entry. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 557 | details->type = ClassifyNavigation(params); |
[email protected] | 4bf3522c | 2010-08-19 21:00:20 | [diff] [blame] | 558 | |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 559 | switch (details->type) { |
| 560 | case NavigationType::NEW_PAGE: |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 561 | RendererDidNavigateToNewPage(params, &(details->did_replace_entry)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 562 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 563 | case NavigationType::EXISTING_PAGE: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 564 | RendererDidNavigateToExistingPage(params); |
| 565 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 566 | case NavigationType::SAME_PAGE: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 567 | RendererDidNavigateToSamePage(params); |
| 568 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 569 | case NavigationType::IN_PAGE: |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 570 | RendererDidNavigateInPage(params, &(details->did_replace_entry)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 571 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 572 | case NavigationType::NEW_SUBFRAME: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 573 | RendererDidNavigateNewSubframe(params); |
| 574 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 575 | case NavigationType::AUTO_SUBFRAME: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 576 | if (!RendererDidNavigateAutoSubframe(params)) |
| 577 | return false; |
| 578 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 579 | case NavigationType::NAV_IGNORE: |
[email protected] | 20d1c99 | 2011-04-12 21:17:49 | [diff] [blame] | 580 | // If a pending navigation was in progress, this canceled it. We should |
| 581 | // discard it and make sure it is removed from the URL bar. After that, |
| 582 | // 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] | 583 | // the caller that nothing has happened. |
[email protected] | 20d1c99 | 2011-04-12 21:17:49 | [diff] [blame] | 584 | if (pending_entry_) { |
| 585 | DiscardNonCommittedEntries(); |
[email protected] | 93f230e0 | 2011-06-01 14:40:00 | [diff] [blame] | 586 | tab_contents_->NotifyNavigationStateChanged( |
| 587 | TabContents::INVALIDATE_URL); |
[email protected] | 20d1c99 | 2011-04-12 21:17:49 | [diff] [blame] | 588 | } |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 589 | return false; |
| 590 | default: |
| 591 | NOTREACHED(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 592 | } |
| 593 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 594 | // All committed entries should have nonempty content state so WebKit doesn't |
| 595 | // get confused when we go back to them (see the function for details). |
[email protected] | 0f38dc455 | 2011-02-25 11:24:00 | [diff] [blame] | 596 | DCHECK(!params.content_state.empty()); |
| 597 | NavigationEntry* active_entry = GetActiveEntry(); |
| 598 | active_entry->set_content_state(params.content_state); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 599 | |
[email protected] | e47ae947 | 2011-10-13 19:48:34 | [diff] [blame] | 600 | // Once committed, we do not need to track if the entry was initiated by |
| 601 | // the renderer. |
| 602 | active_entry->set_is_renderer_initiated(false); |
| 603 | |
[email protected] | 49bd30e6 | 2011-03-22 20:12:59 | [diff] [blame] | 604 | // The active entry's SiteInstance should match our SiteInstance. |
| 605 | DCHECK(active_entry->site_instance() == tab_contents_->GetSiteInstance()); |
| 606 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 607 | // Now prep the rest of the details for the notification and broadcast. |
[email protected] | 0f38dc455 | 2011-02-25 11:24:00 | [diff] [blame] | 608 | details->entry = active_entry; |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 609 | details->is_main_frame = |
| 610 | content::PageTransitionIsMainFrame(params.transition); |
[email protected] | f072d2ce | 2008-09-17 17:16:24 | [diff] [blame] | 611 | details->serialized_security_info = params.security_info; |
[email protected] | 2e39d2e | 2009-02-19 18:41:31 | [diff] [blame] | 612 | details->http_status_code = params.http_status_code; |
[email protected] | 93f230e0 | 2011-06-01 14:40:00 | [diff] [blame] | 613 | NotifyNavigationEntryCommitted(details); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 614 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 615 | return true; |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 616 | } |
| 617 | |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 618 | NavigationType::Type NavigationController::ClassifyNavigation( |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 619 | const ViewHostMsg_FrameNavigate_Params& params) const { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 620 | if (params.page_id == -1) { |
[email protected] | eef9de3 | 2009-09-23 17:19:46 | [diff] [blame] | 621 | // The renderer generates the page IDs, and so if it gives us the invalid |
| 622 | // page ID (-1) we know it didn't actually navigate. This happens in a few |
| 623 | // cases: |
| 624 | // |
| 625 | // - If a page makes a popup navigated to about blank, and then writes |
| 626 | // stuff like a subframe navigated to a real page. We'll get the commit |
| 627 | // for the subframe, but there won't be any commit for the outer page. |
| 628 | // |
| 629 | // - We were also getting these for failed loads (for example, bug 21849). |
| 630 | // The guess is that we get a "load commit" for the alternate error page, |
| 631 | // but that doesn't affect the page ID, so we get the "old" one, which |
| 632 | // could be invalid. This can also happen for a cross-site transition |
| 633 | // that causes us to swap processes. Then the error page load will be in |
| 634 | // a new process with no page IDs ever assigned (and hence a -1 value), |
| 635 | // yet the navigation controller still might have previous pages in its |
| 636 | // list. |
| 637 | // |
| 638 | // In these cases, there's nothing we can do with them, so ignore. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 639 | return NavigationType::NAV_IGNORE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 640 | } |
| 641 | |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 642 | if (params.page_id > tab_contents_->GetMaxPageID()) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 643 | // Greater page IDs than we've ever seen before are new pages. We may or may |
| 644 | // not have a pending entry for the page, and this may or may not be the |
| 645 | // main frame. |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 646 | if (content::PageTransitionIsMainFrame(params.transition)) |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 647 | return NavigationType::NEW_PAGE; |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 648 | |
| 649 | // When this is a new subframe navigation, we should have a committed page |
| 650 | // for which it's a suframe in. This may not be the case when an iframe is |
| 651 | // navigated on a popup navigated to about:blank (the iframe would be |
| 652 | // written into the popup by script on the main page). For these cases, |
| 653 | // there isn't any navigation stuff we can do, so just ignore it. |
| 654 | if (!GetLastCommittedEntry()) |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 655 | return NavigationType::NAV_IGNORE; |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 656 | |
| 657 | // Valid subframe navigation. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 658 | return NavigationType::NEW_SUBFRAME; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 659 | } |
| 660 | |
| 661 | // Now we know that the notification is for an existing page. Find that entry. |
| 662 | int existing_entry_index = GetEntryIndexWithPageID( |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 663 | tab_contents_->GetSiteInstance(), |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 664 | params.page_id); |
| 665 | if (existing_entry_index == -1) { |
| 666 | // The page was not found. It could have been pruned because of the limit on |
| 667 | // back/forward entries (not likely since we'll usually tell it to navigate |
| 668 | // to such entries). It could also mean that the renderer is smoking crack. |
| 669 | NOTREACHED(); |
[email protected] | 485e823 | 2011-07-24 18:03:46 | [diff] [blame] | 670 | |
| 671 | // Because the unknown entry has committed, we risk showing the wrong URL in |
| 672 | // release builds. Instead, we'll kill the renderer process to be safe. |
| 673 | LOG(ERROR) << "terminating renderer for bad navigation: " << params.url; |
| 674 | UserMetrics::RecordAction(UserMetricsAction("BadMessageTerminate_NC")); |
| 675 | if (tab_contents_->GetSiteInstance()->HasProcess()) |
| 676 | tab_contents_->GetSiteInstance()->GetProcess()->ReceivedBadMessage(); |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 677 | return NavigationType::NAV_IGNORE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 678 | } |
| 679 | NavigationEntry* existing_entry = entries_[existing_entry_index].get(); |
| 680 | |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 681 | if (!content::PageTransitionIsMainFrame(params.transition)) { |
[email protected] | e6035c2 | 2010-05-25 16:15:52 | [diff] [blame] | 682 | // All manual subframes would get new IDs and were handled above, so we |
| 683 | // know this is auto. Since the current page was found in the navigation |
| 684 | // entry list, we're guaranteed to have a last committed entry. |
| 685 | DCHECK(GetLastCommittedEntry()); |
| 686 | return NavigationType::AUTO_SUBFRAME; |
| 687 | } |
| 688 | |
| 689 | // Anything below here we know is a main frame navigation. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 690 | if (pending_entry_ && |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 691 | existing_entry != pending_entry_ && |
[email protected] | 230c001 | 2011-04-08 16:27:24 | [diff] [blame] | 692 | pending_entry_->page_id() == -1 && |
| 693 | existing_entry == GetLastCommittedEntry()) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 694 | // In this case, we have a pending entry for a URL but WebCore didn't do a |
| 695 | // new navigation. This happens when you press enter in the URL bar to |
| 696 | // reload. We will create a pending entry, but WebKit will convert it to |
| 697 | // a reload since it's the same page and not create a new entry for it |
| 698 | // (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] | 699 | // this). If this matches the last committed entry, we want to just ignore |
| 700 | // the pending entry and go back to where we were (the "existing entry"). |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 701 | return NavigationType::SAME_PAGE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 702 | } |
| 703 | |
[email protected] | fc60f22 | 2008-12-18 17:36:54 | [diff] [blame] | 704 | // Any toplevel navigations with the same base (minus the reference fragment) |
| 705 | // are in-page navigations. We weeded out subframe navigations above. Most of |
| 706 | // the time this doesn't matter since WebKit doesn't tell us about subframe |
| 707 | // navigations that don't actually navigate, but it can happen when there is |
| 708 | // an encoding override (it always sends a navigation request). |
| 709 | if (AreURLsInPageNavigation(existing_entry->url(), params.url)) |
| 710 | return NavigationType::IN_PAGE; |
| 711 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 712 | // Since we weeded out "new" navigations above, we know this is an existing |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 713 | // (back/forward) navigation. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 714 | return NavigationType::EXISTING_PAGE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 715 | } |
| 716 | |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 717 | bool NavigationController::IsRedirect( |
| 718 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 719 | // For main frame transition, we judge by params.transition. |
| 720 | // Otherwise, by params.redirects. |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 721 | if (content::PageTransitionIsMainFrame(params.transition)) { |
| 722 | return content::PageTransitionIsRedirect(params.transition); |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 723 | } |
| 724 | return params.redirects.size() > 1; |
| 725 | } |
| 726 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 727 | void NavigationController::RendererDidNavigateToNewPage( |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 728 | const ViewHostMsg_FrameNavigate_Params& params, bool* did_replace_entry) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 729 | NavigationEntry* new_entry; |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 730 | bool update_virtual_url; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 731 | if (pending_entry_) { |
| 732 | // TODO(brettw) this assumes that the pending entry is appropriate for the |
| 733 | // 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] | 734 | // case! We should have some more tracking to know for sure. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 735 | new_entry = new NavigationEntry(*pending_entry_); |
| 736 | |
| 737 | // Don't use the page type from the pending entry. Some interstitial page |
| 738 | // may have set the type to interstitial. Once we commit, however, the page |
| 739 | // type must always be normal. |
[email protected] | cccd376 | 2010-11-12 18:40:01 | [diff] [blame] | 740 | new_entry->set_page_type(NORMAL_PAGE); |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 741 | update_virtual_url = new_entry->update_virtual_url_with_url(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 742 | } else { |
[email protected] | b680ad2 | 2009-04-15 23:19:42 | [diff] [blame] | 743 | new_entry = new NavigationEntry; |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 744 | // When navigating to a new page, give the browser URL handler a chance to |
| 745 | // update the virtual URL based on the new URL. For example, this is needed |
| 746 | // to show chrome://bookmarks/#1 when the bookmarks webui extension changes |
| 747 | // the URL. |
| 748 | update_virtual_url = true; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 749 | } |
| 750 | |
| 751 | new_entry->set_url(params.url); |
[email protected] | f1eb87a | 2011-05-06 17:49:41 | [diff] [blame] | 752 | if (update_virtual_url) |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 753 | UpdateVirtualURLToURL(new_entry, params.url); |
[email protected] | 740fbda | 2009-02-18 21:38:08 | [diff] [blame] | 754 | new_entry->set_referrer(params.referrer); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 755 | new_entry->set_page_id(params.page_id); |
| 756 | new_entry->set_transition_type(params.transition); |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 757 | new_entry->set_site_instance(tab_contents_->GetSiteInstance()); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 758 | new_entry->set_has_post_data(params.is_post); |
| 759 | |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 760 | InsertOrReplaceEntry(new_entry, *did_replace_entry); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 761 | } |
| 762 | |
| 763 | void NavigationController::RendererDidNavigateToExistingPage( |
| 764 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 765 | // We should only get here for main frame navigations. |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 766 | DCHECK(content::PageTransitionIsMainFrame(params.transition)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 767 | |
| 768 | // This is a back/forward navigation. The existing page for the ID is |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 769 | // guaranteed to exist by ClassifyNavigation, and we just need to update it |
| 770 | // with new information from the renderer. |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 771 | int entry_index = GetEntryIndexWithPageID(tab_contents_->GetSiteInstance(), |
| 772 | params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 773 | DCHECK(entry_index >= 0 && |
| 774 | entry_index < static_cast<int>(entries_.size())); |
| 775 | NavigationEntry* entry = entries_[entry_index].get(); |
| 776 | |
| 777 | // The URL may have changed due to redirects. The site instance will normally |
| 778 | // be the same except during session restore, when no site instance will be |
| 779 | // assigned. |
| 780 | entry->set_url(params.url); |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 781 | if (entry->update_virtual_url_with_url()) |
| 782 | UpdateVirtualURLToURL(entry, params.url); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 783 | DCHECK(entry->site_instance() == NULL || |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 784 | entry->site_instance() == tab_contents_->GetSiteInstance()); |
| 785 | entry->set_site_instance(tab_contents_->GetSiteInstance()); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 786 | |
[email protected] | d5a49e5 | 2010-01-08 03:01:41 | [diff] [blame] | 787 | entry->set_has_post_data(params.is_post); |
| 788 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 789 | // The entry we found in the list might be pending if the user hit |
| 790 | // 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] | 791 | // list, we can just discard the pending pointer). We should also discard the |
| 792 | // pending entry if it corresponds to a different navigation, since that one |
| 793 | // is now likely canceled. If it is not canceled, we will treat it as a new |
| 794 | // navigation when it arrives, which is also ok. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 795 | // |
| 796 | // Note that we need to use the "internal" version since we don't want to |
| 797 | // actually change any other state, just kill the pointer. |
[email protected] | 49bd30e6 | 2011-03-22 20:12:59 | [diff] [blame] | 798 | if (pending_entry_) |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 799 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 40bcc30 | 2009-03-02 20:50:39 | [diff] [blame] | 800 | |
[email protected] | 80858db5 | 2009-10-15 00:35:18 | [diff] [blame] | 801 | // If a transient entry was removed, the indices might have changed, so we |
| 802 | // have to query the entry index again. |
| 803 | last_committed_entry_index_ = |
| 804 | GetEntryIndexWithPageID(tab_contents_->GetSiteInstance(), params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 805 | } |
| 806 | |
| 807 | void NavigationController::RendererDidNavigateToSamePage( |
| 808 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 809 | // 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] | 810 | // entry for this page ID. This entry is guaranteed to exist by |
| 811 | // ClassifyNavigation. All we need to do is update the existing entry. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 812 | NavigationEntry* existing_entry = GetEntryWithPageID( |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 813 | tab_contents_->GetSiteInstance(), |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 814 | params.page_id); |
| 815 | |
| 816 | // We assign the entry's unique ID to be that of the new one. Since this is |
| 817 | // always the result of a user action, we want to dismiss infobars, etc. like |
| 818 | // a regular user-initiated navigation. |
| 819 | existing_entry->set_unique_id(pending_entry_->unique_id()); |
| 820 | |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 821 | // The URL may have changed due to redirects. |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 822 | if (existing_entry->update_virtual_url_with_url()) |
| 823 | UpdateVirtualURLToURL(existing_entry, params.url); |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 824 | existing_entry->set_url(params.url); |
| 825 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 826 | DiscardNonCommittedEntries(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 827 | } |
| 828 | |
| 829 | void NavigationController::RendererDidNavigateInPage( |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 830 | const ViewHostMsg_FrameNavigate_Params& params, bool* did_replace_entry) { |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 831 | DCHECK(content::PageTransitionIsMainFrame(params.transition)) << |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 832 | "WebKit should only tell us about in-page navs for the main frame."; |
| 833 | // We're guaranteed to have an entry for this one. |
| 834 | NavigationEntry* existing_entry = GetEntryWithPageID( |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 835 | tab_contents_->GetSiteInstance(), |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 836 | params.page_id); |
| 837 | |
| 838 | // Reference fragment navigation. We're guaranteed to have the last_committed |
| 839 | // 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] | 840 | // reference fragments, of course). We'll update the URL of the existing |
| 841 | // entry without pruning the forward history. |
| 842 | existing_entry->set_url(params.url); |
| 843 | if (existing_entry->update_virtual_url_with_url()) |
| 844 | UpdateVirtualURLToURL(existing_entry, params.url); |
[email protected] | ccbe04e | 2010-03-17 17:58:43 | [diff] [blame] | 845 | |
| 846 | // This replaces the existing entry since the page ID didn't change. |
| 847 | *did_replace_entry = true; |
[email protected] | d466b8a | 2011-07-15 21:48:03 | [diff] [blame] | 848 | |
| 849 | if (pending_entry_) |
| 850 | DiscardNonCommittedEntriesInternal(); |
| 851 | |
| 852 | // If a transient entry was removed, the indices might have changed, so we |
| 853 | // have to query the entry index again. |
| 854 | last_committed_entry_index_ = |
| 855 | GetEntryIndexWithPageID(tab_contents_->GetSiteInstance(), params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 856 | } |
| 857 | |
| 858 | void NavigationController::RendererDidNavigateNewSubframe( |
| 859 | const ViewHostMsg_FrameNavigate_Params& params) { |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 860 | if (content::PageTransitionStripQualifier(params.transition) == |
| 861 | content::PAGE_TRANSITION_AUTO_SUBFRAME) { |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 862 | // This is not user-initiated. Ignore. |
| 863 | return; |
| 864 | } |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 865 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 866 | // Manual subframe navigations just get the current entry cloned so the user |
| 867 | // can go back or forward to it. The actual subframe information will be |
| 868 | // stored in the page state for each of those entries. This happens out of |
| 869 | // band with the actual navigations. |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 870 | DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee " |
| 871 | << "that a last committed entry exists."; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 872 | NavigationEntry* new_entry = new NavigationEntry(*GetLastCommittedEntry()); |
| 873 | new_entry->set_page_id(params.page_id); |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 874 | InsertOrReplaceEntry(new_entry, false); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 875 | } |
| 876 | |
| 877 | bool NavigationController::RendererDidNavigateAutoSubframe( |
| 878 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 879 | // We're guaranteed to have a previously committed entry, and we now need to |
| 880 | // handle navigation inside of a subframe in it without creating a new entry. |
| 881 | DCHECK(GetLastCommittedEntry()); |
| 882 | |
| 883 | // Handle the case where we're navigating back/forward to a previous subframe |
| 884 | // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the |
| 885 | // header file. In case "1." this will be a NOP. |
| 886 | int entry_index = GetEntryIndexWithPageID( |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 887 | tab_contents_->GetSiteInstance(), |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 888 | params.page_id); |
| 889 | if (entry_index < 0 || |
| 890 | entry_index >= static_cast<int>(entries_.size())) { |
| 891 | NOTREACHED(); |
| 892 | return false; |
| 893 | } |
| 894 | |
| 895 | // Update the current navigation entry in case we're going back/forward. |
| 896 | if (entry_index != last_committed_entry_index_) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 897 | last_committed_entry_index_ = entry_index; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 898 | return true; |
| 899 | } |
| 900 | return false; |
| 901 | } |
| 902 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 903 | int NavigationController::GetIndexOfEntry( |
| 904 | const NavigationEntry* entry) const { |
| 905 | const NavigationEntries::const_iterator i(std::find( |
| 906 | entries_.begin(), |
| 907 | entries_.end(), |
| 908 | entry)); |
| 909 | return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin()); |
| 910 | } |
| 911 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 912 | bool NavigationController::IsURLInPageNavigation(const GURL& url) const { |
| 913 | NavigationEntry* last_committed = GetLastCommittedEntry(); |
| 914 | if (!last_committed) |
| 915 | return false; |
| 916 | return AreURLsInPageNavigation(last_committed->url(), url); |
| 917 | } |
| 918 | |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 919 | void NavigationController::CopyStateFrom(const NavigationController& source) { |
| 920 | // Verify that we look new. |
| 921 | DCHECK(entry_count() == 0 && !pending_entry()); |
| 922 | |
| 923 | if (source.entry_count() == 0) |
| 924 | return; // Nothing new to do. |
| 925 | |
| 926 | needs_reload_ = true; |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 927 | InsertEntriesFrom(source, source.entry_count()); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 928 | |
[email protected] | 6ee12c4 | 2010-09-14 09:36:07 | [diff] [blame] | 929 | session_storage_namespace_ = source.session_storage_namespace_->Clone(); |
[email protected] | 4e6419c | 2010-01-15 04:50:34 | [diff] [blame] | 930 | |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 931 | FinishRestore(source.last_committed_entry_index_, false); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 932 | } |
| 933 | |
[email protected] | 5bc9548 | 2011-09-03 19:51:13 | [diff] [blame] | 934 | void NavigationController::CopyStateFromAndPrune(NavigationController* source) { |
[email protected] | 9e1ad4b | 2011-08-14 16:49:19 | [diff] [blame] | 935 | // The SiteInstance and page_id of the last committed entry needs to be |
| 936 | // remembered at this point, in case there is only one committed entry |
| 937 | // and it is pruned. |
| 938 | NavigationEntry* last_committed = GetLastCommittedEntry(); |
| 939 | SiteInstance* site_instance = |
| 940 | last_committed ? last_committed->site_instance() : NULL; |
| 941 | int32 minimum_page_id = last_committed ? last_committed->page_id() : -1; |
| 942 | |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 943 | // This code is intended for use when the last entry is the active entry. |
| 944 | DCHECK((transient_entry_index_ != -1 && |
| 945 | transient_entry_index_ == entry_count() - 1) || |
| 946 | (pending_entry_ && (pending_entry_index_ == -1 || |
| 947 | pending_entry_index_ == entry_count() - 1)) || |
| 948 | (!pending_entry_ && last_committed_entry_index_ == entry_count() - 1)); |
| 949 | |
| 950 | // Remove all the entries leaving the active entry. |
| 951 | PruneAllButActive(); |
| 952 | |
[email protected] | 47e020a | 2010-10-15 14:43:37 | [diff] [blame] | 953 | // Insert the entries from source. Don't use source->GetCurrentEntryIndex as |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 954 | // we don't want to copy over the transient entry. |
[email protected] | 47e020a | 2010-10-15 14:43:37 | [diff] [blame] | 955 | int max_source_index = source->pending_entry_index_ != -1 ? |
| 956 | source->pending_entry_index_ : source->last_committed_entry_index_; |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 957 | if (max_source_index == -1) |
[email protected] | 47e020a | 2010-10-15 14:43:37 | [diff] [blame] | 958 | max_source_index = source->entry_count(); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 959 | else |
| 960 | max_source_index++; |
[email protected] | 47e020a | 2010-10-15 14:43:37 | [diff] [blame] | 961 | InsertEntriesFrom(*source, max_source_index); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 962 | |
| 963 | // Adjust indices such that the last entry and pending are at the end now. |
| 964 | last_committed_entry_index_ = entry_count() - 1; |
| 965 | if (pending_entry_index_ != -1) |
| 966 | pending_entry_index_ = entry_count() - 1; |
| 967 | if (transient_entry_index_ != -1) { |
| 968 | // There's a transient entry. In this case we want the last committed to |
| 969 | // point to the previous entry. |
| 970 | transient_entry_index_ = entry_count() - 1; |
| 971 | if (last_committed_entry_index_ != -1) |
| 972 | last_committed_entry_index_--; |
| 973 | } |
[email protected] | 796931a9 | 2011-08-10 01:32:14 | [diff] [blame] | 974 | |
[email protected] | 9e1ad4b | 2011-08-14 16:49:19 | [diff] [blame] | 975 | tab_contents_->SetHistoryLengthAndPrune(site_instance, |
| 976 | max_source_index, |
| 977 | minimum_page_id); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 978 | } |
| 979 | |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 980 | void NavigationController::PruneAllButActive() { |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 981 | if (transient_entry_index_ != -1) { |
| 982 | // There is a transient entry. Prune up to it. |
| 983 | DCHECK_EQ(entry_count() - 1, transient_entry_index_); |
[email protected] | 77d8d62 | 2010-12-15 10:30:12 | [diff] [blame] | 984 | entries_.erase(entries_.begin(), entries_.begin() + transient_entry_index_); |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 985 | transient_entry_index_ = 0; |
| 986 | last_committed_entry_index_ = -1; |
| 987 | pending_entry_index_ = -1; |
| 988 | } else if (!pending_entry_) { |
| 989 | // There's no pending entry. Leave the last entry (if there is one). |
[email protected] | 77d8d62 | 2010-12-15 10:30:12 | [diff] [blame] | 990 | if (!entry_count()) |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 991 | return; |
| 992 | |
[email protected] | 77d8d62 | 2010-12-15 10:30:12 | [diff] [blame] | 993 | DCHECK(last_committed_entry_index_ >= 0); |
| 994 | entries_.erase(entries_.begin(), |
| 995 | entries_.begin() + last_committed_entry_index_); |
| 996 | entries_.erase(entries_.begin() + 1, entries_.end()); |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 997 | last_committed_entry_index_ = 0; |
| 998 | } else if (pending_entry_index_ != -1) { |
[email protected] | 77d8d62 | 2010-12-15 10:30:12 | [diff] [blame] | 999 | entries_.erase(entries_.begin(), entries_.begin() + pending_entry_index_); |
| 1000 | entries_.erase(entries_.begin() + 1, entries_.end()); |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1001 | pending_entry_index_ = 0; |
| 1002 | last_committed_entry_index_ = 0; |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1003 | } else { |
| 1004 | // There is a pending_entry, but it's not in entries_. |
| 1005 | pending_entry_index_ = -1; |
| 1006 | last_committed_entry_index_ = -1; |
[email protected] | 77d8d62 | 2010-12-15 10:30:12 | [diff] [blame] | 1007 | entries_.clear(); |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1008 | } |
| 1009 | |
| 1010 | if (tab_contents_->interstitial_page()) { |
| 1011 | // Normally the interstitial page hides itself if the user doesn't proceeed. |
| 1012 | // This would result in showing a NavigationEntry we just removed. Set this |
| 1013 | // so the interstitial triggers a reload if the user doesn't proceed. |
| 1014 | tab_contents_->interstitial_page()->set_reload_on_dont_proceed(true); |
| 1015 | } |
[email protected] | 97b6c4f | 2010-09-27 19:31:26 | [diff] [blame] | 1016 | } |
| 1017 | |
[email protected] | 4303234 | 2011-03-21 14:10:31 | [diff] [blame] | 1018 | void NavigationController::RemoveEntryAtIndexInternal(int index) { |
| 1019 | DCHECK(index < entry_count()); |
| 1020 | |
| 1021 | DiscardNonCommittedEntries(); |
| 1022 | |
| 1023 | entries_.erase(entries_.begin() + index); |
| 1024 | if (last_committed_entry_index_ == index) |
| 1025 | last_committed_entry_index_--; |
| 1026 | else if (last_committed_entry_index_ > index) |
| 1027 | last_committed_entry_index_--; |
| 1028 | } |
| 1029 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1030 | void NavigationController::DiscardNonCommittedEntries() { |
| 1031 | bool transient = transient_entry_index_ != -1; |
| 1032 | DiscardNonCommittedEntriesInternal(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1033 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1034 | // If there was a transient entry, invalidate everything so the new active |
| 1035 | // entry state is shown. |
| 1036 | if (transient) { |
[email protected] | 93f230e0 | 2011-06-01 14:40:00 | [diff] [blame] | 1037 | tab_contents_->NotifyNavigationStateChanged(kInvalidateAll); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1038 | } |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1039 | } |
| 1040 | |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 1041 | void NavigationController::InsertOrReplaceEntry(NavigationEntry* entry, |
| 1042 | bool replace) { |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 1043 | DCHECK(entry->transition_type() != content::PAGE_TRANSITION_AUTO_SUBFRAME); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1044 | |
| 1045 | // Copy the pending entry's unique ID to the committed entry. |
| 1046 | // I don't know if pending_entry_index_ can be other than -1 here. |
| 1047 | const NavigationEntry* const pending_entry = (pending_entry_index_ == -1) ? |
| 1048 | pending_entry_ : entries_[pending_entry_index_].get(); |
| 1049 | if (pending_entry) |
| 1050 | entry->set_unique_id(pending_entry->unique_id()); |
| 1051 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1052 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1053 | |
| 1054 | int current_size = static_cast<int>(entries_.size()); |
| 1055 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1056 | if (current_size > 0) { |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 1057 | // Prune any entries which are in front of the current entry. |
| 1058 | // Also prune the current entry if we are to replace the current entry. |
[email protected] | 47dcbdc | 2011-05-27 15:08:31 | [diff] [blame] | 1059 | // last_committed_entry_index_ must be updated here since calls to |
| 1060 | // NotifyPrunedEntries() below may re-enter and we must make sure |
| 1061 | // last_committed_entry_index_ is not left in an invalid state. |
| 1062 | if (replace) |
| 1063 | --last_committed_entry_index_; |
| 1064 | |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1065 | int num_pruned = 0; |
[email protected] | 47dcbdc | 2011-05-27 15:08:31 | [diff] [blame] | 1066 | while (last_committed_entry_index_ < (current_size - 1)) { |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1067 | num_pruned++; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1068 | entries_.pop_back(); |
| 1069 | current_size--; |
| 1070 | } |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1071 | if (num_pruned > 0) // Only notify if we did prune something. |
| 1072 | NotifyPrunedEntries(this, false, num_pruned); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1073 | } |
| 1074 | |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1075 | if (entries_.size() >= max_entry_count_) { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1076 | RemoveEntryAtIndex(0, GURL()); |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1077 | NotifyPrunedEntries(this, true, 1); |
| 1078 | } |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1079 | |
| 1080 | entries_.push_back(linked_ptr<NavigationEntry>(entry)); |
| 1081 | last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1082 | |
| 1083 | // This is a new page ID, so we need everybody to know about it. |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 1084 | tab_contents_->UpdateMaxPageID(entry->page_id()); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1085 | } |
| 1086 | |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 1087 | void NavigationController::NavigateToPendingEntry(ReloadType reload_type) { |
[email protected] | 72097fd0 | 2010-01-21 23:36:01 | [diff] [blame] | 1088 | needs_reload_ = false; |
| 1089 | |
[email protected] | 83c2e23 | 2011-10-07 21:36:46 | [diff] [blame] | 1090 | // If we were navigating to a slow-to-commit page, and the user performs |
| 1091 | // a session history navigation to the last committed page, RenderViewHost |
| 1092 | // will force the throbber to start, but WebKit will essentially ignore the |
| 1093 | // navigation, and won't send a message to stop the throbber. To prevent this |
| 1094 | // from happening, we drop the navigation here and stop the slow-to-commit |
| 1095 | // page from loading (which would normally happen during the navigation). |
| 1096 | if (pending_entry_index_ != -1 && |
| 1097 | pending_entry_index_ == last_committed_entry_index_ && |
| 1098 | (entries_[pending_entry_index_]->restore_type() == |
| 1099 | NavigationEntry::RESTORE_NONE) && |
| 1100 | (entries_[pending_entry_index_]->transition_type() & |
[email protected] | 2905f74 | 2011-10-13 03:51:58 | [diff] [blame] | 1101 | content::PAGE_TRANSITION_FORWARD_BACK)) { |
[email protected] | 83c2e23 | 2011-10-07 21:36:46 | [diff] [blame] | 1102 | tab_contents_->Stop(); |
| 1103 | DiscardNonCommittedEntries(); |
| 1104 | return; |
| 1105 | } |
| 1106 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1107 | // For session history navigations only the pending_entry_index_ is set. |
| 1108 | if (!pending_entry_) { |
[email protected] | 4bf3522c | 2010-08-19 21:00:20 | [diff] [blame] | 1109 | DCHECK_NE(pending_entry_index_, -1); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1110 | pending_entry_ = entries_[pending_entry_index_].get(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1111 | } |
| 1112 | |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 1113 | if (!tab_contents_->NavigateToPendingEntry(reload_type)) |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1114 | DiscardNonCommittedEntries(); |
[email protected] | 77362eb | 2011-08-01 17:18:38 | [diff] [blame] | 1115 | |
| 1116 | // If the entry is being restored and doesn't have a SiteInstance yet, fill |
| 1117 | // it in now that we know. This allows us to find the entry when it commits. |
| 1118 | // This works for browser-initiated navigations. We handle renderer-initiated |
| 1119 | // navigations to restored entries in TabContents::OnGoToEntryAtOffset. |
| 1120 | if (pending_entry_ && !pending_entry_->site_instance() && |
| 1121 | pending_entry_->restore_type() != NavigationEntry::RESTORE_NONE) { |
| 1122 | pending_entry_->set_site_instance(tab_contents_->GetPendingSiteInstance()); |
| 1123 | pending_entry_->set_restore_type(NavigationEntry::RESTORE_NONE); |
| 1124 | } |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1125 | } |
| 1126 | |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 1127 | void NavigationController::NotifyNavigationEntryCommitted( |
[email protected] | 93f230e0 | 2011-06-01 14:40:00 | [diff] [blame] | 1128 | content::LoadCommittedDetails* details) { |
[email protected] | df1af24 | 2009-05-01 00:11:40 | [diff] [blame] | 1129 | details->entry = GetActiveEntry(); |
| 1130 | NotificationDetails notification_details = |
[email protected] | 8286f51a | 2011-05-31 17:39:13 | [diff] [blame] | 1131 | Details<content::LoadCommittedDetails>(details); |
[email protected] | df1af24 | 2009-05-01 00:11:40 | [diff] [blame] | 1132 | |
| 1133 | // We need to notify the ssl_manager_ before the tab_contents_ so the |
| 1134 | // location bar will have up-to-date information about the security style |
| 1135 | // when it wants to draw. See http://crbug.com/11157 |
| 1136 | ssl_manager_.DidCommitProvisionalLoad(notification_details); |
| 1137 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1138 | // TODO(pkasting): http://b/1113079 Probably these explicit notification paths |
| 1139 | // should be removed, and interested parties should just listen for the |
| 1140 | // notification below instead. |
[email protected] | 93f230e0 | 2011-06-01 14:40:00 | [diff] [blame] | 1141 | tab_contents_->NotifyNavigationStateChanged(kInvalidateAll); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1142 | |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 1143 | NotificationService::current()->Notify( |
[email protected] | 43211582 | 2011-07-10 15:52:27 | [diff] [blame] | 1144 | content::NOTIFICATION_NAV_ENTRY_COMMITTED, |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 1145 | Source<NavigationController>(this), |
[email protected] | df1af24 | 2009-05-01 00:11:40 | [diff] [blame] | 1146 | notification_details); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1147 | } |
| 1148 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1149 | // static |
| 1150 | void NavigationController::DisablePromptOnRepost() { |
| 1151 | check_for_repost_ = false; |
| 1152 | } |
| 1153 | |
| 1154 | void NavigationController::SetActive(bool is_active) { |
[email protected] | ee61392 | 2009-09-02 20:38:22 | [diff] [blame] | 1155 | if (is_active && needs_reload_) |
| 1156 | LoadIfNecessary(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1157 | } |
| 1158 | |
| 1159 | void NavigationController::LoadIfNecessary() { |
| 1160 | if (!needs_reload_) |
| 1161 | return; |
| 1162 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1163 | // Calling Reload() results in ignoring state, and not loading. |
| 1164 | // Explicitly use NavigateToPendingEntry so that the renderer uses the |
| 1165 | // cached state. |
| 1166 | pending_entry_index_ = last_committed_entry_index_; |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 1167 | NavigateToPendingEntry(NO_RELOAD); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1168 | } |
| 1169 | |
[email protected] | 534e54b | 2008-08-13 15:40:09 | [diff] [blame] | 1170 | void NavigationController::NotifyEntryChanged(const NavigationEntry* entry, |
| 1171 | int index) { |
[email protected] | 8286f51a | 2011-05-31 17:39:13 | [diff] [blame] | 1172 | content::EntryChangedDetails det; |
[email protected] | 534e54b | 2008-08-13 15:40:09 | [diff] [blame] | 1173 | det.changed_entry = entry; |
| 1174 | det.index = index; |
[email protected] | 43211582 | 2011-07-10 15:52:27 | [diff] [blame] | 1175 | NotificationService::current()->Notify( |
| 1176 | content::NOTIFICATION_NAV_ENTRY_CHANGED, |
[email protected] | 8286f51a | 2011-05-31 17:39:13 | [diff] [blame] | 1177 | Source<NavigationController>(this), |
| 1178 | Details<content::EntryChangedDetails>(&det)); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1179 | } |
| 1180 | |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 1181 | void NavigationController::FinishRestore(int selected_index, |
| 1182 | bool from_last_session) { |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 1183 | DCHECK(selected_index >= 0 && selected_index < entry_count()); |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 1184 | ConfigureEntriesForRestore(&entries_, from_last_session); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1185 | |
[email protected] | 6139815 | 2010-08-26 21:45:34 | [diff] [blame] | 1186 | set_max_restored_page_id(static_cast<int32>(entry_count())); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1187 | |
| 1188 | last_committed_entry_index_ = selected_index; |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1189 | } |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1190 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1191 | void NavigationController::DiscardNonCommittedEntriesInternal() { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1192 | if (pending_entry_index_ == -1) |
| 1193 | delete pending_entry_; |
| 1194 | pending_entry_ = NULL; |
| 1195 | pending_entry_index_ = -1; |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1196 | |
| 1197 | DiscardTransientEntry(); |
| 1198 | } |
| 1199 | |
| 1200 | void NavigationController::DiscardTransientEntry() { |
| 1201 | if (transient_entry_index_ == -1) |
| 1202 | return; |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 1203 | entries_.erase(entries_.begin() + transient_entry_index_); |
[email protected] | 80858db5 | 2009-10-15 00:35:18 | [diff] [blame] | 1204 | if (last_committed_entry_index_ > transient_entry_index_) |
| 1205 | last_committed_entry_index_--; |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1206 | transient_entry_index_ = -1; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1207 | } |
| 1208 | |
| 1209 | int NavigationController::GetEntryIndexWithPageID( |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 1210 | SiteInstance* instance, int32 page_id) const { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1211 | for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) { |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 1212 | if ((entries_[i]->site_instance() == instance) && |
[email protected] | 1e5645ff | 2008-08-27 18:09:07 | [diff] [blame] | 1213 | (entries_[i]->page_id() == page_id)) |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1214 | return i; |
| 1215 | } |
| 1216 | return -1; |
| 1217 | } |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1218 | |
| 1219 | NavigationEntry* NavigationController::GetTransientEntry() const { |
| 1220 | if (transient_entry_index_ == -1) |
| 1221 | return NULL; |
| 1222 | return entries_[transient_entry_index_].get(); |
| 1223 | } |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1224 | |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1225 | void NavigationController::InsertEntriesFrom( |
| 1226 | const NavigationController& source, |
| 1227 | int max_index) { |
| 1228 | DCHECK_LE(max_index, source.entry_count()); |
| 1229 | size_t insert_index = 0; |
| 1230 | for (int i = 0; i < max_index; i++) { |
| 1231 | // When cloning a tab, copy all entries except interstitial pages |
[email protected] | cccd376 | 2010-11-12 18:40:01 | [diff] [blame] | 1232 | if (source.entries_[i].get()->page_type() != INTERSTITIAL_PAGE) { |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1233 | entries_.insert(entries_.begin() + insert_index++, |
| 1234 | linked_ptr<NavigationEntry>( |
| 1235 | new NavigationEntry(*source.entries_[i]))); |
| 1236 | } |
| 1237 | } |
| 1238 | } |