[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1 | // Copyright (c) 2010 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] | f3ec774 | 2009-01-15 00:59:16 | [diff] [blame] | 5 | #include "chrome/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] | cd3d789 | 2009-03-04 23:55:06 | [diff] [blame] | 12 | #include "chrome/browser/browser_about_handler.h" |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 13 | #include "chrome/browser/browser_process.h" |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 14 | #include "chrome/browser/browser_url_handler.h" |
[email protected] | 6ee12c4 | 2010-09-14 09:36:07 | [diff] [blame^] | 15 | #include "chrome/browser/in_process_webkit/session_storage_namespace.h" |
[email protected] | 37858e5 | 2010-08-26 00:22:02 | [diff] [blame] | 16 | #include "chrome/browser/prefs/pref_service.h" |
[email protected] | ce560f8 | 2009-06-03 09:39:44 | [diff] [blame] | 17 | #include "chrome/browser/profile.h" |
[email protected] | 14e60c8d | 2009-06-29 03:56:51 | [diff] [blame] | 18 | #include "chrome/browser/renderer_host/site_instance.h" |
[email protected] | 169627b | 2008-12-06 19:30:19 | [diff] [blame] | 19 | #include "chrome/browser/sessions/session_types.h" |
[email protected] | 25396da | 2010-03-11 19:19:10 | [diff] [blame] | 20 | #include "chrome/browser/tab_contents/interstitial_page.h" |
[email protected] | f3ec774 | 2009-01-15 00:59:16 | [diff] [blame] | 21 | #include "chrome/browser/tab_contents/navigation_entry.h" |
[email protected] | 5c23875 | 2009-06-13 10:29:07 | [diff] [blame] | 22 | #include "chrome/browser/tab_contents/tab_contents.h" |
[email protected] | 14f3408a | 2009-08-31 20:53:53 | [diff] [blame] | 23 | #include "chrome/browser/tab_contents/tab_contents_delegate.h" |
[email protected] | 3cc72b1 | 2010-03-18 23:03:00 | [diff] [blame] | 24 | #include "chrome/common/chrome_constants.h" |
[email protected] | 299dabd | 2008-11-19 02:27:16 | [diff] [blame] | 25 | #include "chrome/common/navigation_types.h" |
[email protected] | bfd04a6 | 2009-02-01 18:16:56 | [diff] [blame] | 26 | #include "chrome/common/notification_service.h" |
[email protected] | a23de857 | 2009-06-03 02:16:32 | [diff] [blame] | 27 | #include "chrome/common/pref_names.h" |
[email protected] | 939856a | 2010-08-24 20:29:02 | [diff] [blame] | 28 | #include "chrome/common/render_messages_params.h" |
[email protected] | 6de7445 | 2009-02-25 18:04:59 | [diff] [blame] | 29 | #include "chrome/common/url_constants.h" |
[email protected] | 074f1056 | 2009-05-21 22:40:05 | [diff] [blame] | 30 | #include "grit/app_resources.h" |
[email protected] | a23de857 | 2009-06-03 02:16:32 | [diff] [blame] | 31 | #include "net/base/escape.h" |
| 32 | #include "net/base/net_util.h" |
[email protected] | 3168228 | 2010-01-15 18:05:16 | [diff] [blame] | 33 | #include "net/base/mime_util.h" |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 34 | #include "webkit/glue/webkit_glue.h" |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 35 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 36 | namespace { |
| 37 | |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 38 | const int kInvalidateAllButShelves = |
[email protected] | 6d7a604 | 2010-08-12 20:12:42 | [diff] [blame] | 39 | 0xFFFFFFFF & ~TabContents::INVALIDATE_BOOKMARK_BAR; |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 40 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 41 | // Invoked when entries have been pruned, or removed. For example, if the |
| 42 | // current entries are [google, digg, yahoo], with the current entry google, |
| 43 | // and the user types in cnet, then digg and yahoo are pruned. |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 44 | void NotifyPrunedEntries(NavigationController* nav_controller, |
| 45 | bool from_front, |
| 46 | int count) { |
| 47 | NavigationController::PrunedDetails details; |
| 48 | details.from_front = from_front; |
| 49 | details.count = count; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 50 | NotificationService::current()->Notify( |
[email protected] | bfd04a6 | 2009-02-01 18:16:56 | [diff] [blame] | 51 | NotificationType::NAV_LIST_PRUNED, |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 52 | Source<NavigationController>(nav_controller), |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 53 | Details<NavigationController::PrunedDetails>(&details)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 54 | } |
| 55 | |
| 56 | // Ensure the given NavigationEntry has a valid state, so that WebKit does not |
| 57 | // get confused if we navigate back to it. |
[email protected] | 40bcc30 | 2009-03-02 20:50:39 | [diff] [blame] | 58 | // |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 59 | // An empty state is treated as a new navigation by WebKit, which would mean |
| 60 | // losing the navigation entries and generating a new navigation entry after |
| 61 | // this one. We don't want that. To avoid this we create a valid state which |
| 62 | // WebKit will not treat as a new navigation. |
| 63 | void SetContentStateIfEmpty(NavigationEntry* entry) { |
[email protected] | 965524b | 2009-04-04 21:32:40 | [diff] [blame] | 64 | if (entry->content_state().empty()) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 65 | entry->set_content_state( |
| 66 | webkit_glue::CreateHistoryStateForURL(entry->url())); |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | // Configure all the NavigationEntries in entries for restore. This resets |
| 71 | // the transition type to reload and makes sure the content state isn't empty. |
| 72 | void ConfigureEntriesForRestore( |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 73 | std::vector<linked_ptr<NavigationEntry> >* entries, |
| 74 | bool from_last_session) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 75 | for (size_t i = 0; i < entries->size(); ++i) { |
| 76 | // Use a transition type of reload so that we don't incorrectly increase |
| 77 | // the typed count. |
| 78 | (*entries)[i]->set_transition_type(PageTransition::RELOAD); |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 79 | (*entries)[i]->set_restore_type(from_last_session ? |
| 80 | NavigationEntry::RESTORE_LAST_SESSION : |
| 81 | NavigationEntry::RESTORE_CURRENT_SESSION); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 82 | // NOTE(darin): This code is only needed for backwards compat. |
| 83 | SetContentStateIfEmpty((*entries)[i].get()); |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | // See NavigationController::IsURLInPageNavigation for how this works and why. |
| 88 | bool AreURLsInPageNavigation(const GURL& existing_url, const GURL& new_url) { |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 89 | if (existing_url == new_url || !new_url.has_ref()) { |
| 90 | // TODO(jcampan): what about when navigating back from a ref URL to the top |
| 91 | // non ref URL? Nothing is loaded in that case but we return false here. |
| 92 | // The user could also navigate from the ref URL to the non ref URL by |
| 93 | // entering the non ref URL in the location bar or through a bookmark, in |
| 94 | // which case there would be a load. I am not sure if the non-load/load |
| 95 | // scenarios can be differentiated with the TransitionType. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 96 | return false; |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 97 | } |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 98 | |
| 99 | url_canon::Replacements<char> replacements; |
| 100 | replacements.ClearRef(); |
| 101 | return existing_url.ReplaceComponents(replacements) == |
| 102 | new_url.ReplaceComponents(replacements); |
| 103 | } |
| 104 | |
| 105 | } // namespace |
| 106 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 107 | // NavigationController --------------------------------------------------- |
| 108 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 109 | // static |
[email protected] | 3cc72b1 | 2010-03-18 23:03:00 | [diff] [blame] | 110 | size_t NavigationController::max_entry_count_ = |
| 111 | chrome::kMaxSessionHistoryEntries; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 112 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 113 | // static |
| 114 | bool NavigationController::check_for_repost_ = true; |
| 115 | |
[email protected] | 6ee12c4 | 2010-09-14 09:36:07 | [diff] [blame^] | 116 | NavigationController::NavigationController( |
| 117 | TabContents* contents, |
| 118 | Profile* profile, |
| 119 | SessionStorageNamespace* session_storage_namespace) |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 120 | : profile_(profile), |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 121 | pending_entry_(NULL), |
| 122 | last_committed_entry_index_(-1), |
| 123 | pending_entry_index_(-1), |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 124 | transient_entry_index_(-1), |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 125 | tab_contents_(contents), |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 126 | max_restored_page_id_(-1), |
[email protected] | 5d06384 | 2009-05-15 04:08:24 | [diff] [blame] | 127 | ALLOW_THIS_IN_INITIALIZER_LIST(ssl_manager_(this)), |
[email protected] | 38b8f4e | 2009-09-24 19:44:57 | [diff] [blame] | 128 | needs_reload_(false), |
[email protected] | 6ee12c4 | 2010-09-14 09:36:07 | [diff] [blame^] | 129 | session_storage_namespace_(session_storage_namespace), |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 130 | pending_reload_(NO_RELOAD) { |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 131 | DCHECK(profile_); |
[email protected] | 6ee12c4 | 2010-09-14 09:36:07 | [diff] [blame^] | 132 | if (!session_storage_namespace_) |
| 133 | session_storage_namespace_ = new SessionStorageNamespace(profile_); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 134 | } |
| 135 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 136 | NavigationController::~NavigationController() { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 137 | DiscardNonCommittedEntriesInternal(); |
[email protected] | c099387 | 2008-08-21 19:59:44 | [diff] [blame] | 138 | |
[email protected] | bfd04a6 | 2009-02-01 18:16:56 | [diff] [blame] | 139 | NotificationService::current()->Notify( |
| 140 | NotificationType::TAB_CLOSED, |
| 141 | Source<NavigationController>(this), |
| 142 | NotificationService::NoDetails()); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 143 | } |
| 144 | |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 145 | void NavigationController::RestoreFromState( |
| 146 | const std::vector<TabNavigation>& navigations, |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 147 | int selected_navigation, |
| 148 | bool from_last_session) { |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 149 | // Verify that this controller is unused and that the input is valid. |
| 150 | DCHECK(entry_count() == 0 && !pending_entry()); |
| 151 | DCHECK(selected_navigation >= 0 && |
| 152 | selected_navigation < static_cast<int>(navigations.size())); |
| 153 | |
| 154 | // Populate entries_ from the supplied TabNavigations. |
| 155 | needs_reload_ = true; |
| 156 | CreateNavigationEntriesFromTabNavigations(navigations, &entries_); |
| 157 | |
| 158 | // And finish the restore. |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 159 | FinishRestore(selected_navigation, from_last_session); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 160 | } |
| 161 | |
[email protected] | f1c7411 | 2008-10-30 16:17:04 | [diff] [blame] | 162 | void NavigationController::Reload(bool check_for_repost) { |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 163 | ReloadInternal(check_for_repost, RELOAD); |
| 164 | } |
| 165 | void NavigationController::ReloadIgnoringCache(bool check_for_repost) { |
| 166 | ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE); |
| 167 | } |
| 168 | |
| 169 | void NavigationController::ReloadInternal(bool check_for_repost, |
| 170 | ReloadType reload_type) { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 171 | // Reloading a transient entry does nothing. |
| 172 | if (transient_entry_index_ != -1) |
| 173 | return; |
| 174 | |
| 175 | DiscardNonCommittedEntriesInternal(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 176 | int current_index = GetCurrentEntryIndex(); |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 177 | // If we are no where, then we can't reload. TODO(darin): We should add a |
| 178 | // CanReload method. |
| 179 | if (current_index == -1) { |
| 180 | return; |
| 181 | } |
| 182 | |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 183 | if (check_for_repost_ && check_for_repost && |
[email protected] | a3a1d14 | 2008-12-19 00:42:30 | [diff] [blame] | 184 | GetEntryAtIndex(current_index)->has_post_data()) { |
| 185 | // 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] | 186 | // they really want to do this. If they do, the dialog will call us back |
| 187 | // with check_for_repost = false. |
[email protected] | 965bb09 | 2010-04-09 11:59:02 | [diff] [blame] | 188 | NotificationService::current()->Notify( |
| 189 | NotificationType::REPOST_WARNING_SHOWN, |
| 190 | Source<NavigationController>(this), |
| 191 | NotificationService::NoDetails()); |
| 192 | |
[email protected] | 106a081 | 2010-03-18 00:15:12 | [diff] [blame] | 193 | pending_reload_ = reload_type; |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 194 | tab_contents_->Activate(); |
[email protected] | 14f3408a | 2009-08-31 20:53:53 | [diff] [blame] | 195 | tab_contents_->delegate()->ShowRepostFormWarningDialog(tab_contents_); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 196 | } else { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 197 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 198 | |
| 199 | pending_entry_index_ = current_index; |
[email protected] | 1e5645ff | 2008-08-27 18:09:07 | [diff] [blame] | 200 | entries_[pending_entry_index_]->set_transition_type(PageTransition::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( |
| 225 | const GURL& url, const GURL& referrer, PageTransition::Type transition, |
| 226 | Profile* profile) { |
| 227 | // Allow the browser URL handler to rewrite the URL. This will, for example, |
| 228 | // remove "view-source:" from the beginning of the URL to get the URL that |
| 229 | // will actually be loaded. This real URL won't be shown to the user, just |
| 230 | // used internally. |
| 231 | GURL loaded_url(url); |
| 232 | bool reverse_on_redirect = false; |
| 233 | BrowserURLHandler::RewriteURLIfNecessary( |
| 234 | &loaded_url, profile, &reverse_on_redirect); |
| 235 | |
| 236 | NavigationEntry* entry = new NavigationEntry( |
| 237 | NULL, // The site instance for tabs is sent on navigation |
| 238 | // (TabContents::GetSiteInstance). |
| 239 | -1, |
| 240 | loaded_url, |
| 241 | referrer, |
| 242 | string16(), |
| 243 | transition); |
| 244 | entry->set_virtual_url(url); |
| 245 | entry->set_user_typed_url(url); |
| 246 | entry->set_update_virtual_url_with_url(reverse_on_redirect); |
| 247 | if (url.SchemeIsFile()) { |
[email protected] | 8d19c7d | 2010-07-01 23:19:02 | [diff] [blame] | 248 | // Use the filename as the title, not the full path. |
| 249 | // We need to call FormatUrl() to perform URL de-escaping; |
| 250 | // it's a bit ugly to grab the filename out of the resulting string. |
[email protected] | 9f284f13 | 2010-08-31 06:14:17 | [diff] [blame] | 251 | std::string languages = |
| 252 | profile->GetPrefs()->GetString(prefs::kAcceptLanguages); |
| 253 | std::wstring formatted = UTF16ToWideHack(net::FormatUrl(url, languages)); |
[email protected] | 8d19c7d | 2010-07-01 23:19:02 | [diff] [blame] | 254 | std::wstring filename = |
| 255 | FilePath::FromWStringHack(formatted).BaseName().ToWStringHack(); |
| 256 | entry->set_title(WideToUTF16Hack(filename)); |
[email protected] | b6ea741 | 2010-05-04 23:26:47 | [diff] [blame] | 257 | } |
| 258 | return entry; |
| 259 | } |
| 260 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 261 | NavigationEntry* NavigationController::GetEntryWithPageID( |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 262 | SiteInstance* instance, int32 page_id) const { |
| 263 | int index = GetEntryIndexWithPageID(instance, page_id); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 264 | return (index != -1) ? entries_[index].get() : NULL; |
| 265 | } |
| 266 | |
| 267 | void NavigationController::LoadEntry(NavigationEntry* entry) { |
[email protected] | cd3d789 | 2009-03-04 23:55:06 | [diff] [blame] | 268 | // Handle non-navigational URLs that popup dialogs and such, these should not |
| 269 | // actually navigate. |
| 270 | if (HandleNonNavigationAboutURL(entry->url())) |
| 271 | return; |
| 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] | bfd04a6 | 2009-02-01 18:16:56 | [diff] [blame] | 279 | NotificationType::NAV_ENTRY_PENDING, |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 280 | Source<NavigationController>(this), |
| 281 | NotificationService::NoDetails()); |
[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 | |
| 293 | int NavigationController::GetCurrentEntryIndex() const { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 294 | if (transient_entry_index_ != -1) |
| 295 | return transient_entry_index_; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 296 | if (pending_entry_index_ != -1) |
| 297 | return pending_entry_index_; |
| 298 | return last_committed_entry_index_; |
| 299 | } |
| 300 | |
| 301 | NavigationEntry* NavigationController::GetLastCommittedEntry() const { |
| 302 | if (last_committed_entry_index_ == -1) |
| 303 | return NULL; |
| 304 | return entries_[last_committed_entry_index_].get(); |
| 305 | } |
| 306 | |
[email protected] | 3168228 | 2010-01-15 18:05:16 | [diff] [blame] | 307 | bool NavigationController::CanViewSource() const { |
| 308 | bool is_supported_mime_type = net::IsSupportedNonImageMimeType( |
| 309 | tab_contents_->contents_mime_type().c_str()); |
| 310 | NavigationEntry* active_entry = GetActiveEntry(); |
| 311 | return active_entry && !active_entry->IsViewSourceMode() && |
| 312 | is_supported_mime_type; |
| 313 | } |
| 314 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 315 | NavigationEntry* NavigationController::GetEntryAtOffset(int offset) const { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 316 | int index = (transient_entry_index_ != -1) ? |
| 317 | transient_entry_index_ + offset : |
| 318 | last_committed_entry_index_ + offset; |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 319 | if (index < 0 || index >= entry_count()) |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 320 | return NULL; |
| 321 | |
| 322 | return entries_[index].get(); |
| 323 | } |
| 324 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 325 | bool NavigationController::CanGoBack() const { |
| 326 | return entries_.size() > 1 && GetCurrentEntryIndex() > 0; |
| 327 | } |
| 328 | |
| 329 | bool NavigationController::CanGoForward() const { |
| 330 | int index = GetCurrentEntryIndex(); |
| 331 | return index >= 0 && index < (static_cast<int>(entries_.size()) - 1); |
| 332 | } |
| 333 | |
| 334 | void NavigationController::GoBack() { |
| 335 | if (!CanGoBack()) { |
| 336 | NOTREACHED(); |
| 337 | return; |
| 338 | } |
| 339 | |
[email protected] | 25396da | 2010-03-11 19:19:10 | [diff] [blame] | 340 | // If an interstitial page is showing, going back is equivalent to hiding the |
| 341 | // interstitial. |
| 342 | if (tab_contents_->interstitial_page()) { |
| 343 | tab_contents_->interstitial_page()->DontProceed(); |
| 344 | return; |
| 345 | } |
| 346 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 347 | // Base the navigation on where we are now... |
| 348 | int current_index = GetCurrentEntryIndex(); |
| 349 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 350 | DiscardNonCommittedEntries(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 351 | |
| 352 | pending_entry_index_ = current_index - 1; |
[email protected] | 784688a6 | 2010-09-13 07:06:52 | [diff] [blame] | 353 | entries_[pending_entry_index_]->set_transition_type( |
| 354 | entries_[pending_entry_index_]->transition_type() | |
| 355 | PageTransition::FORWARD_BACK); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 356 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | void NavigationController::GoForward() { |
| 360 | if (!CanGoForward()) { |
| 361 | NOTREACHED(); |
| 362 | return; |
| 363 | } |
| 364 | |
[email protected] | 25396da | 2010-03-11 19:19:10 | [diff] [blame] | 365 | // If an interstitial page is showing, the previous renderer is blocked and |
| 366 | // cannot make new requests. Unblock (and disable) it to allow this |
| 367 | // navigation to succeed. The interstitial will stay visible until the |
| 368 | // resulting DidNavigate. |
| 369 | if (tab_contents_->interstitial_page()) { |
| 370 | tab_contents_->interstitial_page()->CancelForNavigation(); |
| 371 | } |
| 372 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 373 | bool transient = (transient_entry_index_ != -1); |
| 374 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 375 | // Base the navigation on where we are now... |
| 376 | int current_index = GetCurrentEntryIndex(); |
| 377 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 378 | DiscardNonCommittedEntries(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 379 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 380 | pending_entry_index_ = current_index; |
| 381 | // If there was a transient entry, we removed it making the current index |
| 382 | // the next page. |
| 383 | if (!transient) |
| 384 | pending_entry_index_++; |
| 385 | |
[email protected] | 784688a6 | 2010-09-13 07:06:52 | [diff] [blame] | 386 | entries_[pending_entry_index_]->set_transition_type( |
| 387 | entries_[pending_entry_index_]->transition_type() | |
| 388 | PageTransition::FORWARD_BACK); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 389 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | void NavigationController::GoToIndex(int index) { |
| 393 | if (index < 0 || index >= static_cast<int>(entries_.size())) { |
| 394 | NOTREACHED(); |
| 395 | return; |
| 396 | } |
| 397 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 398 | if (transient_entry_index_ != -1) { |
| 399 | if (index == transient_entry_index_) { |
| 400 | // Nothing to do when navigating to the transient. |
| 401 | return; |
| 402 | } |
| 403 | if (index > transient_entry_index_) { |
| 404 | // Removing the transient is goint to shift all entries by 1. |
| 405 | index--; |
| 406 | } |
| 407 | } |
| 408 | |
[email protected] | 25396da | 2010-03-11 19:19:10 | [diff] [blame] | 409 | // If an interstitial page is showing, the previous renderer is blocked and |
| 410 | // cannot make new requests. |
| 411 | if (tab_contents_->interstitial_page()) { |
| 412 | if (index == GetCurrentEntryIndex() - 1) { |
| 413 | // Going back one entry is equivalent to hiding the interstitial. |
| 414 | tab_contents_->interstitial_page()->DontProceed(); |
| 415 | return; |
| 416 | } else { |
| 417 | // Unblock the renderer (and disable the interstitial) to allow this |
| 418 | // navigation to succeed. The interstitial will stay visible until the |
| 419 | // resulting DidNavigate. |
| 420 | tab_contents_->interstitial_page()->CancelForNavigation(); |
| 421 | } |
| 422 | } |
| 423 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 424 | DiscardNonCommittedEntries(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 425 | |
| 426 | pending_entry_index_ = index; |
[email protected] | 784688a6 | 2010-09-13 07:06:52 | [diff] [blame] | 427 | entries_[pending_entry_index_]->set_transition_type( |
| 428 | entries_[pending_entry_index_]->transition_type() | |
| 429 | PageTransition::FORWARD_BACK); |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 430 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 431 | } |
| 432 | |
| 433 | void NavigationController::GoToOffset(int offset) { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 434 | int index = (transient_entry_index_ != -1) ? |
| 435 | transient_entry_index_ + offset : |
| 436 | last_committed_entry_index_ + offset; |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 437 | if (index < 0 || index >= entry_count()) |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 438 | return; |
| 439 | |
| 440 | GoToIndex(index); |
| 441 | } |
| 442 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 443 | void NavigationController::RemoveEntryAtIndex(int index, |
| 444 | const GURL& default_url) { |
| 445 | int size = static_cast<int>(entries_.size()); |
| 446 | DCHECK(index < size); |
| 447 | |
| 448 | DiscardNonCommittedEntries(); |
| 449 | |
| 450 | entries_.erase(entries_.begin() + index); |
| 451 | |
| 452 | if (last_committed_entry_index_ == index) { |
| 453 | last_committed_entry_index_--; |
| 454 | // We removed the currently shown entry, so we have to load something else. |
| 455 | if (last_committed_entry_index_ != -1) { |
| 456 | pending_entry_index_ = last_committed_entry_index_; |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 457 | NavigateToPendingEntry(NO_RELOAD); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 458 | } else { |
| 459 | // If there is nothing to show, show a default page. |
[email protected] | ed3456f | 2009-02-26 20:24:48 | [diff] [blame] | 460 | LoadURL(default_url.is_empty() ? GURL("about:blank") : default_url, |
[email protected] | c058805 | 2008-10-27 23:01:50 | [diff] [blame] | 461 | GURL(), PageTransition::START_PAGE); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 462 | } |
| 463 | } else if (last_committed_entry_index_ > index) { |
| 464 | last_committed_entry_index_--; |
| 465 | } |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 466 | } |
| 467 | |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 468 | void NavigationController::UpdateVirtualURLToURL( |
| 469 | NavigationEntry* entry, const GURL& new_url) { |
| 470 | GURL new_virtual_url(new_url); |
| 471 | if (BrowserURLHandler::ReverseURLRewrite( |
| 472 | &new_virtual_url, entry->virtual_url(), profile_)) { |
| 473 | entry->set_virtual_url(new_virtual_url); |
| 474 | } |
| 475 | } |
| 476 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 477 | void NavigationController::AddTransientEntry(NavigationEntry* entry) { |
| 478 | // Discard any current transient entry, we can only have one at a time. |
| 479 | int index = 0; |
| 480 | if (last_committed_entry_index_ != -1) |
| 481 | index = last_committed_entry_index_ + 1; |
| 482 | DiscardTransientEntry(); |
| 483 | entries_.insert(entries_.begin() + index, linked_ptr<NavigationEntry>(entry)); |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 484 | transient_entry_index_ = index; |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 485 | tab_contents_->NotifyNavigationStateChanged(kInvalidateAllButShelves); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 486 | } |
| 487 | |
[email protected] | c058805 | 2008-10-27 23:01:50 | [diff] [blame] | 488 | void NavigationController::LoadURL(const GURL& url, const GURL& referrer, |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 489 | PageTransition::Type transition) { |
| 490 | // The user initiated a load, we don't need to reload anymore. |
| 491 | needs_reload_ = false; |
| 492 | |
[email protected] | b6ea741 | 2010-05-04 23:26:47 | [diff] [blame] | 493 | NavigationEntry* entry = CreateNavigationEntry(url, referrer, transition, |
| 494 | profile_); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 495 | |
| 496 | LoadEntry(entry); |
| 497 | } |
| 498 | |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 499 | void NavigationController::DocumentLoadedInFrame() { |
| 500 | last_document_loaded_ = base::TimeTicks::Now(); |
| 501 | } |
| 502 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 503 | bool NavigationController::RendererDidNavigate( |
| 504 | const ViewHostMsg_FrameNavigate_Params& params, |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 505 | int extra_invalidate_flags, |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 506 | LoadCommittedDetails* details) { |
[email protected] | 4bf3522c | 2010-08-19 21:00:20 | [diff] [blame] | 507 | |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 508 | // Save the previous state before we clobber it. |
| 509 | if (GetLastCommittedEntry()) { |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 510 | details->previous_url = GetLastCommittedEntry()->url(); |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 511 | details->previous_entry_index = last_committed_entry_index(); |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 512 | } else { |
| 513 | details->previous_url = GURL(); |
| 514 | details->previous_entry_index = -1; |
| 515 | } |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 516 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 517 | // Assign the current site instance to any pending entry, so we can find it |
| 518 | // later by calling GetEntryIndexWithPageID. We only care about this if the |
| 519 | // pending entry is an existing navigation and not a new one (or else we |
| 520 | // wouldn't care about finding it with GetEntryIndexWithPageID). |
| 521 | // |
| 522 | // TODO(brettw) this seems slightly bogus as we don't really know if the |
| 523 | // pending entry is what this navigation is for. There is a similar TODO |
| 524 | // w.r.t. the pending entry in RendererDidNavigateToNewPage. |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 525 | if (pending_entry_index_ >= 0) { |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 526 | pending_entry_->set_site_instance(tab_contents_->GetSiteInstance()); |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 527 | pending_entry_->set_restore_type(NavigationEntry::RESTORE_NONE); |
| 528 | } |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 529 | |
[email protected] | 192d8c5e | 2010-02-23 07:26:32 | [diff] [blame] | 530 | // is_in_page must be computed before the entry gets committed. |
| 531 | details->is_in_page = IsURLInPageNavigation(params.url); |
| 532 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 533 | // Do navigation-type specific actions. These will make and commit an entry. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 534 | details->type = ClassifyNavigation(params); |
[email protected] | 4bf3522c | 2010-08-19 21:00:20 | [diff] [blame] | 535 | |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 536 | switch (details->type) { |
| 537 | case NavigationType::NEW_PAGE: |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 538 | RendererDidNavigateToNewPage(params, &(details->did_replace_entry)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 539 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 540 | case NavigationType::EXISTING_PAGE: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 541 | RendererDidNavigateToExistingPage(params); |
| 542 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 543 | case NavigationType::SAME_PAGE: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 544 | RendererDidNavigateToSamePage(params); |
| 545 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 546 | case NavigationType::IN_PAGE: |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 547 | RendererDidNavigateInPage(params, &(details->did_replace_entry)); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 548 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 549 | case NavigationType::NEW_SUBFRAME: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 550 | RendererDidNavigateNewSubframe(params); |
| 551 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 552 | case NavigationType::AUTO_SUBFRAME: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 553 | if (!RendererDidNavigateAutoSubframe(params)) |
| 554 | return false; |
| 555 | break; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 556 | case NavigationType::NAV_IGNORE: |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 557 | // There is nothing we can do with this navigation, so we just return to |
| 558 | // the caller that nothing has happened. |
| 559 | return false; |
| 560 | default: |
| 561 | NOTREACHED(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 562 | } |
| 563 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 564 | // All committed entries should have nonempty content state so WebKit doesn't |
| 565 | // get confused when we go back to them (see the function for details). |
| 566 | SetContentStateIfEmpty(GetActiveEntry()); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 567 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 568 | // WebKit doesn't set the "auto" transition on meta refreshes properly (bug |
| 569 | // 1051891) so we manually set it for redirects which we normally treat as |
| 570 | // "non-user-gestures" where we want to update stuff after navigations. |
| 571 | // |
| 572 | // Note that the redirect check also checks for a pending entry to |
| 573 | // differentiate real redirects from browser initiated navigations to a |
| 574 | // redirected entry. This happens when you hit back to go to a page that was |
| 575 | // the destination of a redirect, we don't want to treat it as a redirect |
| 576 | // even though that's what its transition will be. See bug 1117048. |
| 577 | // |
| 578 | // TODO(brettw) write a test for this complicated logic. |
| 579 | details->is_auto = (PageTransition::IsRedirect(params.transition) && |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 580 | !pending_entry()) || |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 581 | params.gesture == NavigationGestureAuto; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 582 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 583 | // Now prep the rest of the details for the notification and broadcast. |
| 584 | details->entry = GetActiveEntry(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 585 | details->is_main_frame = PageTransition::IsMainFrame(params.transition); |
[email protected] | f072d2ce | 2008-09-17 17:16:24 | [diff] [blame] | 586 | details->serialized_security_info = params.security_info; |
[email protected] | 8a3422c9 | 2008-09-24 17:42:42 | [diff] [blame] | 587 | details->is_content_filtered = params.is_content_filtered; |
[email protected] | 2e39d2e | 2009-02-19 18:41:31 | [diff] [blame] | 588 | details->http_status_code = params.http_status_code; |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 589 | NotifyNavigationEntryCommitted(details, extra_invalidate_flags); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 590 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 591 | return true; |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 592 | } |
| 593 | |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 594 | NavigationType::Type NavigationController::ClassifyNavigation( |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 595 | const ViewHostMsg_FrameNavigate_Params& params) const { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 596 | if (params.page_id == -1) { |
[email protected] | eef9de3 | 2009-09-23 17:19:46 | [diff] [blame] | 597 | // The renderer generates the page IDs, and so if it gives us the invalid |
| 598 | // page ID (-1) we know it didn't actually navigate. This happens in a few |
| 599 | // cases: |
| 600 | // |
| 601 | // - If a page makes a popup navigated to about blank, and then writes |
| 602 | // stuff like a subframe navigated to a real page. We'll get the commit |
| 603 | // for the subframe, but there won't be any commit for the outer page. |
| 604 | // |
| 605 | // - We were also getting these for failed loads (for example, bug 21849). |
| 606 | // The guess is that we get a "load commit" for the alternate error page, |
| 607 | // but that doesn't affect the page ID, so we get the "old" one, which |
| 608 | // could be invalid. This can also happen for a cross-site transition |
| 609 | // that causes us to swap processes. Then the error page load will be in |
| 610 | // a new process with no page IDs ever assigned (and hence a -1 value), |
| 611 | // yet the navigation controller still might have previous pages in its |
| 612 | // list. |
| 613 | // |
| 614 | // In these cases, there's nothing we can do with them, so ignore. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 615 | return NavigationType::NAV_IGNORE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 616 | } |
| 617 | |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 618 | if (params.page_id > tab_contents_->GetMaxPageID()) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 619 | // Greater page IDs than we've ever seen before are new pages. We may or may |
| 620 | // not have a pending entry for the page, and this may or may not be the |
| 621 | // main frame. |
| 622 | if (PageTransition::IsMainFrame(params.transition)) |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 623 | return NavigationType::NEW_PAGE; |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 624 | |
| 625 | // When this is a new subframe navigation, we should have a committed page |
| 626 | // for which it's a suframe in. This may not be the case when an iframe is |
| 627 | // navigated on a popup navigated to about:blank (the iframe would be |
| 628 | // written into the popup by script on the main page). For these cases, |
| 629 | // there isn't any navigation stuff we can do, so just ignore it. |
| 630 | if (!GetLastCommittedEntry()) |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 631 | return NavigationType::NAV_IGNORE; |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 632 | |
| 633 | // Valid subframe navigation. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 634 | return NavigationType::NEW_SUBFRAME; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | // Now we know that the notification is for an existing page. Find that entry. |
| 638 | int existing_entry_index = GetEntryIndexWithPageID( |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 639 | tab_contents_->GetSiteInstance(), |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 640 | params.page_id); |
| 641 | if (existing_entry_index == -1) { |
[email protected] | e1081d9 | 2010-09-10 20:29:11 | [diff] [blame] | 642 | // TODO(twiz) Top-level, out-of-browser navigations from ActiveX instances |
| 643 | // of Chrome Frame can trigger this behaviour: The page_id is less than |
| 644 | // GetMaxPageID, yet no entry index is registered. See BUG 55138. |
| 645 | if (PageTransition::IsMainFrame(params.transition)) |
| 646 | return NavigationType::NEW_PAGE; |
| 647 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 648 | // The page was not found. It could have been pruned because of the limit on |
| 649 | // back/forward entries (not likely since we'll usually tell it to navigate |
| 650 | // to such entries). It could also mean that the renderer is smoking crack. |
| 651 | NOTREACHED(); |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 652 | return NavigationType::NAV_IGNORE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 653 | } |
| 654 | NavigationEntry* existing_entry = entries_[existing_entry_index].get(); |
| 655 | |
[email protected] | e6035c2 | 2010-05-25 16:15:52 | [diff] [blame] | 656 | if (!PageTransition::IsMainFrame(params.transition)) { |
| 657 | // All manual subframes would get new IDs and were handled above, so we |
| 658 | // know this is auto. Since the current page was found in the navigation |
| 659 | // entry list, we're guaranteed to have a last committed entry. |
| 660 | DCHECK(GetLastCommittedEntry()); |
| 661 | return NavigationType::AUTO_SUBFRAME; |
| 662 | } |
| 663 | |
| 664 | // Anything below here we know is a main frame navigation. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 665 | if (pending_entry_ && |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 666 | existing_entry != pending_entry_ && |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 667 | pending_entry_->page_id() == -1) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 668 | // In this case, we have a pending entry for a URL but WebCore didn't do a |
| 669 | // new navigation. This happens when you press enter in the URL bar to |
| 670 | // reload. We will create a pending entry, but WebKit will convert it to |
| 671 | // a reload since it's the same page and not create a new entry for it |
| 672 | // (the user doesn't want to have a new back/forward entry when they do |
| 673 | // this). In this case, we want to just ignore the pending entry and go |
| 674 | // back to where we were (the "existing entry"). |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 675 | return NavigationType::SAME_PAGE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 676 | } |
| 677 | |
[email protected] | fc60f22 | 2008-12-18 17:36:54 | [diff] [blame] | 678 | // Any toplevel navigations with the same base (minus the reference fragment) |
| 679 | // are in-page navigations. We weeded out subframe navigations above. Most of |
| 680 | // the time this doesn't matter since WebKit doesn't tell us about subframe |
| 681 | // navigations that don't actually navigate, but it can happen when there is |
| 682 | // an encoding override (it always sends a navigation request). |
| 683 | if (AreURLsInPageNavigation(existing_entry->url(), params.url)) |
| 684 | return NavigationType::IN_PAGE; |
| 685 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 686 | // Since we weeded out "new" navigations above, we know this is an existing |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 687 | // (back/forward) navigation. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 688 | return NavigationType::EXISTING_PAGE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 689 | } |
| 690 | |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 691 | bool NavigationController::IsRedirect( |
| 692 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 693 | // For main frame transition, we judge by params.transition. |
| 694 | // Otherwise, by params.redirects. |
| 695 | if (PageTransition::IsMainFrame(params.transition)) { |
| 696 | return PageTransition::IsRedirect(params.transition); |
| 697 | } |
| 698 | return params.redirects.size() > 1; |
| 699 | } |
| 700 | |
[email protected] | b6ea741 | 2010-05-04 23:26:47 | [diff] [blame] | 701 | void NavigationController::CreateNavigationEntriesFromTabNavigations( |
| 702 | const std::vector<TabNavigation>& navigations, |
| 703 | std::vector<linked_ptr<NavigationEntry> >* entries) { |
| 704 | // Create a NavigationEntry for each of the navigations. |
| 705 | int page_id = 0; |
| 706 | for (std::vector<TabNavigation>::const_iterator i = |
| 707 | navigations.begin(); i != navigations.end(); ++i, ++page_id) { |
| 708 | linked_ptr<NavigationEntry> entry(i->ToNavigationEntry(page_id, profile_)); |
| 709 | entries->push_back(entry); |
| 710 | } |
| 711 | } |
| 712 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 713 | void NavigationController::RendererDidNavigateToNewPage( |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 714 | const ViewHostMsg_FrameNavigate_Params& params, bool* did_replace_entry) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 715 | NavigationEntry* new_entry; |
| 716 | if (pending_entry_) { |
| 717 | // TODO(brettw) this assumes that the pending entry is appropriate for the |
| 718 | // new page that was just loaded. I don't think this is necessarily the |
| 719 | // case! We should have some more tracking to know for sure. This goes along |
| 720 | // with a similar TODO at the top of RendererDidNavigate where we blindly |
| 721 | // set the site instance on the pending entry. |
| 722 | new_entry = new NavigationEntry(*pending_entry_); |
| 723 | |
| 724 | // Don't use the page type from the pending entry. Some interstitial page |
| 725 | // may have set the type to interstitial. Once we commit, however, the page |
| 726 | // type must always be normal. |
| 727 | new_entry->set_page_type(NavigationEntry::NORMAL_PAGE); |
| 728 | } else { |
[email protected] | b680ad2 | 2009-04-15 23:19:42 | [diff] [blame] | 729 | new_entry = new NavigationEntry; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 730 | } |
| 731 | |
| 732 | new_entry->set_url(params.url); |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 733 | if (new_entry->update_virtual_url_with_url()) |
| 734 | UpdateVirtualURLToURL(new_entry, params.url); |
[email protected] | 740fbda | 2009-02-18 21:38:08 | [diff] [blame] | 735 | new_entry->set_referrer(params.referrer); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 736 | new_entry->set_page_id(params.page_id); |
| 737 | new_entry->set_transition_type(params.transition); |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 738 | new_entry->set_site_instance(tab_contents_->GetSiteInstance()); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 739 | new_entry->set_has_post_data(params.is_post); |
| 740 | |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 741 | InsertOrReplaceEntry(new_entry, *did_replace_entry); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | void NavigationController::RendererDidNavigateToExistingPage( |
| 745 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 746 | // We should only get here for main frame navigations. |
| 747 | DCHECK(PageTransition::IsMainFrame(params.transition)); |
| 748 | |
| 749 | // This is a back/forward navigation. The existing page for the ID is |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 750 | // guaranteed to exist by ClassifyNavigation, and we just need to update it |
| 751 | // with new information from the renderer. |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 752 | int entry_index = GetEntryIndexWithPageID(tab_contents_->GetSiteInstance(), |
| 753 | params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 754 | DCHECK(entry_index >= 0 && |
| 755 | entry_index < static_cast<int>(entries_.size())); |
| 756 | NavigationEntry* entry = entries_[entry_index].get(); |
| 757 | |
| 758 | // The URL may have changed due to redirects. The site instance will normally |
| 759 | // be the same except during session restore, when no site instance will be |
| 760 | // assigned. |
| 761 | entry->set_url(params.url); |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 762 | if (entry->update_virtual_url_with_url()) |
| 763 | UpdateVirtualURLToURL(entry, params.url); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 764 | DCHECK(entry->site_instance() == NULL || |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 765 | entry->site_instance() == tab_contents_->GetSiteInstance()); |
| 766 | entry->set_site_instance(tab_contents_->GetSiteInstance()); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 767 | |
[email protected] | d5a49e5 | 2010-01-08 03:01:41 | [diff] [blame] | 768 | entry->set_has_post_data(params.is_post); |
| 769 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 770 | // The entry we found in the list might be pending if the user hit |
| 771 | // back/forward/reload. This load should commit it (since it's already in the |
| 772 | // list, we can just discard the pending pointer). |
| 773 | // |
| 774 | // Note that we need to use the "internal" version since we don't want to |
| 775 | // actually change any other state, just kill the pointer. |
| 776 | if (entry == pending_entry_) |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 777 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 40bcc30 | 2009-03-02 20:50:39 | [diff] [blame] | 778 | |
[email protected] | 80858db5 | 2009-10-15 00:35:18 | [diff] [blame] | 779 | // If a transient entry was removed, the indices might have changed, so we |
| 780 | // have to query the entry index again. |
| 781 | last_committed_entry_index_ = |
| 782 | GetEntryIndexWithPageID(tab_contents_->GetSiteInstance(), params.page_id); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 783 | } |
| 784 | |
| 785 | void NavigationController::RendererDidNavigateToSamePage( |
| 786 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 787 | // 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] | 788 | // entry for this page ID. This entry is guaranteed to exist by |
| 789 | // ClassifyNavigation. All we need to do is update the existing entry. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 790 | NavigationEntry* existing_entry = GetEntryWithPageID( |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 791 | tab_contents_->GetSiteInstance(), |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 792 | params.page_id); |
| 793 | |
| 794 | // We assign the entry's unique ID to be that of the new one. Since this is |
| 795 | // always the result of a user action, we want to dismiss infobars, etc. like |
| 796 | // a regular user-initiated navigation. |
| 797 | existing_entry->set_unique_id(pending_entry_->unique_id()); |
| 798 | |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 799 | // The URL may have changed due to redirects. |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 800 | if (existing_entry->update_virtual_url_with_url()) |
| 801 | UpdateVirtualURLToURL(existing_entry, params.url); |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 802 | existing_entry->set_url(params.url); |
| 803 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 804 | DiscardNonCommittedEntries(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 805 | } |
| 806 | |
| 807 | void NavigationController::RendererDidNavigateInPage( |
[email protected] | befd8d82 | 2009-07-01 04:51:47 | [diff] [blame] | 808 | const ViewHostMsg_FrameNavigate_Params& params, bool* did_replace_entry) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 809 | DCHECK(PageTransition::IsMainFrame(params.transition)) << |
| 810 | "WebKit should only tell us about in-page navs for the main frame."; |
| 811 | // We're guaranteed to have an entry for this one. |
| 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 | // Reference fragment navigation. We're guaranteed to have the last_committed |
| 817 | // entry and it will be the same page as the new navigation (minus the |
| 818 | // reference fragments, of course). |
| 819 | NavigationEntry* new_entry = new NavigationEntry(*existing_entry); |
| 820 | new_entry->set_page_id(params.page_id); |
[email protected] | 38178a4 | 2009-12-17 18:58:32 | [diff] [blame] | 821 | if (new_entry->update_virtual_url_with_url()) |
| 822 | UpdateVirtualURLToURL(new_entry, params.url); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 823 | new_entry->set_url(params.url); |
[email protected] | ccbe04e | 2010-03-17 17:58:43 | [diff] [blame] | 824 | |
| 825 | // This replaces the existing entry since the page ID didn't change. |
| 826 | *did_replace_entry = true; |
| 827 | InsertOrReplaceEntry(new_entry, true); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 828 | } |
| 829 | |
| 830 | void NavigationController::RendererDidNavigateNewSubframe( |
| 831 | const ViewHostMsg_FrameNavigate_Params& params) { |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 832 | if (PageTransition::StripQualifier(params.transition) == |
| 833 | PageTransition::AUTO_SUBFRAME) { |
| 834 | // This is not user-initiated. Ignore. |
| 835 | return; |
| 836 | } |
[email protected] | 09b8f82f | 2009-06-16 20:22:11 | [diff] [blame] | 837 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 838 | // Manual subframe navigations just get the current entry cloned so the user |
| 839 | // can go back or forward to it. The actual subframe information will be |
| 840 | // stored in the page state for each of those entries. This happens out of |
| 841 | // band with the actual navigations. |
[email protected] | 4c27ba8 | 2008-09-24 16:49:09 | [diff] [blame] | 842 | DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee " |
| 843 | << "that a last committed entry exists."; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 844 | NavigationEntry* new_entry = new NavigationEntry(*GetLastCommittedEntry()); |
| 845 | new_entry->set_page_id(params.page_id); |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 846 | InsertOrReplaceEntry(new_entry, false); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 847 | } |
| 848 | |
| 849 | bool NavigationController::RendererDidNavigateAutoSubframe( |
| 850 | const ViewHostMsg_FrameNavigate_Params& params) { |
| 851 | // We're guaranteed to have a previously committed entry, and we now need to |
| 852 | // handle navigation inside of a subframe in it without creating a new entry. |
| 853 | DCHECK(GetLastCommittedEntry()); |
| 854 | |
| 855 | // Handle the case where we're navigating back/forward to a previous subframe |
| 856 | // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the |
| 857 | // header file. In case "1." this will be a NOP. |
| 858 | int entry_index = GetEntryIndexWithPageID( |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 859 | tab_contents_->GetSiteInstance(), |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 860 | params.page_id); |
| 861 | if (entry_index < 0 || |
| 862 | entry_index >= static_cast<int>(entries_.size())) { |
| 863 | NOTREACHED(); |
| 864 | return false; |
| 865 | } |
| 866 | |
| 867 | // Update the current navigation entry in case we're going back/forward. |
| 868 | if (entry_index != last_committed_entry_index_) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 869 | last_committed_entry_index_ = entry_index; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 870 | return true; |
| 871 | } |
| 872 | return false; |
| 873 | } |
| 874 | |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 875 | // TODO(brettw) I think this function is unnecessary. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 876 | void NavigationController::CommitPendingEntry() { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 877 | DiscardTransientEntry(); |
| 878 | |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 879 | if (!pending_entry()) |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 880 | return; // Nothing to do. |
| 881 | |
| 882 | // Need to save the previous URL for the notification. |
| 883 | LoadCommittedDetails details; |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 884 | if (GetLastCommittedEntry()) { |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 885 | details.previous_url = GetLastCommittedEntry()->url(); |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 886 | details.previous_entry_index = last_committed_entry_index(); |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 887 | } else { |
| 888 | details.previous_entry_index = -1; |
| 889 | } |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 890 | |
| 891 | if (pending_entry_index_ >= 0) { |
| 892 | // This is a previous navigation (back/forward) that we're just now |
| 893 | // committing. Just mark it as committed. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 894 | details.type = NavigationType::EXISTING_PAGE; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 895 | int new_entry_index = pending_entry_index_; |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 896 | DiscardNonCommittedEntriesInternal(); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 897 | |
| 898 | // Mark that entry as committed. |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 899 | last_committed_entry_index_ = new_entry_index; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 900 | } else { |
| 901 | // This is a new navigation. It's easiest to just copy the entry and insert |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 902 | // it new again, since InsertOrReplaceEntry expects to take ownership and |
| 903 | // also discard the pending entry. We also need to synthesize a page ID. We |
| 904 | // can only do this because this function will only be called by our custom |
[email protected] | 57c6a65 | 2009-05-04 07:58:34 | [diff] [blame] | 905 | // TabContents types. For TabContents, the IDs are generated by the |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 906 | // renderer, so we can't do this. |
[email protected] | 0e8db94 | 2008-09-24 21:21:48 | [diff] [blame] | 907 | details.type = NavigationType::NEW_PAGE; |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 908 | pending_entry_->set_page_id(tab_contents_->GetMaxPageID() + 1); |
| 909 | tab_contents_->UpdateMaxPageID(pending_entry_->page_id()); |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 910 | InsertOrReplaceEntry(new NavigationEntry(*pending_entry_), false); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 911 | } |
| 912 | |
| 913 | // Broadcast the notification of the navigation. |
| 914 | details.entry = GetActiveEntry(); |
| 915 | details.is_auto = false; |
| 916 | details.is_in_page = AreURLsInPageNavigation(details.previous_url, |
| 917 | details.entry->url()); |
| 918 | details.is_main_frame = true; |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 919 | NotifyNavigationEntryCommitted(&details, 0); |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 920 | } |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 921 | |
| 922 | int NavigationController::GetIndexOfEntry( |
| 923 | const NavigationEntry* entry) const { |
| 924 | const NavigationEntries::const_iterator i(std::find( |
| 925 | entries_.begin(), |
| 926 | entries_.end(), |
| 927 | entry)); |
| 928 | return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin()); |
| 929 | } |
| 930 | |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 931 | bool NavigationController::IsURLInPageNavigation(const GURL& url) const { |
| 932 | NavigationEntry* last_committed = GetLastCommittedEntry(); |
| 933 | if (!last_committed) |
| 934 | return false; |
| 935 | return AreURLsInPageNavigation(last_committed->url(), url); |
| 936 | } |
| 937 | |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 938 | void NavigationController::CopyStateFrom(const NavigationController& source) { |
| 939 | // Verify that we look new. |
| 940 | DCHECK(entry_count() == 0 && !pending_entry()); |
| 941 | |
| 942 | if (source.entry_count() == 0) |
| 943 | return; // Nothing new to do. |
| 944 | |
| 945 | needs_reload_ = true; |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 946 | InsertEntriesFrom(source, source.entry_count()); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 947 | |
[email protected] | 6ee12c4 | 2010-09-14 09:36:07 | [diff] [blame^] | 948 | session_storage_namespace_ = source.session_storage_namespace_->Clone(); |
[email protected] | 4e6419c | 2010-01-15 04:50:34 | [diff] [blame] | 949 | |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 950 | FinishRestore(source.last_committed_entry_index_, false); |
[email protected] | ce3fa3c | 2009-04-20 19:55:57 | [diff] [blame] | 951 | } |
| 952 | |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 953 | void NavigationController::CopyStateFromAndPrune( |
| 954 | const NavigationController& source) { |
| 955 | // This code is intended for use when the last entry is the active entry. |
| 956 | DCHECK((transient_entry_index_ != -1 && |
| 957 | transient_entry_index_ == entry_count() - 1) || |
| 958 | (pending_entry_ && (pending_entry_index_ == -1 || |
| 959 | pending_entry_index_ == entry_count() - 1)) || |
| 960 | (!pending_entry_ && last_committed_entry_index_ == entry_count() - 1)); |
| 961 | |
| 962 | // Remove all the entries leaving the active entry. |
| 963 | PruneAllButActive(); |
| 964 | |
| 965 | // Insert the entries from source. Don't use source.GetCurrentEntryIndex as |
| 966 | // we don't want to copy over the transient entry. |
| 967 | int max_source_index = source.pending_entry_index_ != -1 ? |
| 968 | source.pending_entry_index_ : source.last_committed_entry_index_; |
| 969 | if (max_source_index == -1) |
| 970 | max_source_index = source.entry_count(); |
| 971 | else |
| 972 | max_source_index++; |
| 973 | InsertEntriesFrom(source, max_source_index); |
| 974 | |
| 975 | // Adjust indices such that the last entry and pending are at the end now. |
| 976 | last_committed_entry_index_ = entry_count() - 1; |
| 977 | if (pending_entry_index_ != -1) |
| 978 | pending_entry_index_ = entry_count() - 1; |
| 979 | if (transient_entry_index_ != -1) { |
| 980 | // There's a transient entry. In this case we want the last committed to |
| 981 | // point to the previous entry. |
| 982 | transient_entry_index_ = entry_count() - 1; |
| 983 | if (last_committed_entry_index_ != -1) |
| 984 | last_committed_entry_index_--; |
| 985 | } |
| 986 | |
| 987 | // Take over the session id from source. |
| 988 | session_id_ = source.session_id_; |
| 989 | } |
| 990 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 991 | void NavigationController::DiscardNonCommittedEntries() { |
| 992 | bool transient = transient_entry_index_ != -1; |
| 993 | DiscardNonCommittedEntriesInternal(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 994 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 995 | // If there was a transient entry, invalidate everything so the new active |
| 996 | // entry state is shown. |
| 997 | if (transient) { |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 998 | tab_contents_->NotifyNavigationStateChanged(kInvalidateAllButShelves); |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 999 | } |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1000 | } |
| 1001 | |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 1002 | void NavigationController::InsertOrReplaceEntry(NavigationEntry* entry, |
| 1003 | bool replace) { |
[email protected] | 1e5645ff | 2008-08-27 18:09:07 | [diff] [blame] | 1004 | DCHECK(entry->transition_type() != PageTransition::AUTO_SUBFRAME); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1005 | |
| 1006 | // Copy the pending entry's unique ID to the committed entry. |
| 1007 | // I don't know if pending_entry_index_ can be other than -1 here. |
| 1008 | const NavigationEntry* const pending_entry = (pending_entry_index_ == -1) ? |
| 1009 | pending_entry_ : entries_[pending_entry_index_].get(); |
| 1010 | if (pending_entry) |
| 1011 | entry->set_unique_id(pending_entry->unique_id()); |
| 1012 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1013 | DiscardNonCommittedEntriesInternal(); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1014 | |
| 1015 | int current_size = static_cast<int>(entries_.size()); |
| 1016 | |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1017 | if (current_size > 0) { |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 1018 | // Prune any entries which are in front of the current entry. |
| 1019 | // Also prune the current entry if we are to replace the current entry. |
| 1020 | int prune_up_to = replace ? last_committed_entry_index_ - 1 |
| 1021 | : last_committed_entry_index_; |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1022 | int num_pruned = 0; |
[email protected] | 672eba29 | 2009-05-13 13:22:45 | [diff] [blame] | 1023 | while (prune_up_to < (current_size - 1)) { |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1024 | num_pruned++; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1025 | entries_.pop_back(); |
| 1026 | current_size--; |
| 1027 | } |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1028 | if (num_pruned > 0) // Only notify if we did prune something. |
| 1029 | NotifyPrunedEntries(this, false, num_pruned); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1030 | } |
| 1031 | |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1032 | if (entries_.size() >= max_entry_count_) { |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1033 | RemoveEntryAtIndex(0, GURL()); |
[email protected] | c12bf1a1 | 2008-09-17 16:28:49 | [diff] [blame] | 1034 | NotifyPrunedEntries(this, true, 1); |
| 1035 | } |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1036 | |
| 1037 | entries_.push_back(linked_ptr<NavigationEntry>(entry)); |
| 1038 | last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1; |
[email protected] | e9ba447 | 2008-09-14 15:42:43 | [diff] [blame] | 1039 | |
| 1040 | // 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] | 1041 | tab_contents_->UpdateMaxPageID(entry->page_id()); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1042 | } |
| 1043 | |
| 1044 | void NavigationController::SetWindowID(const SessionID& id) { |
| 1045 | window_id_ = id; |
[email protected] | bfd04a6 | 2009-02-01 18:16:56 | [diff] [blame] | 1046 | NotificationService::current()->Notify(NotificationType::TAB_PARENTED, |
[email protected] | 534e54b | 2008-08-13 15:40:09 | [diff] [blame] | 1047 | Source<NavigationController>(this), |
| 1048 | NotificationService::NoDetails()); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1049 | } |
| 1050 | |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 1051 | void NavigationController::NavigateToPendingEntry(ReloadType reload_type) { |
[email protected] | 72097fd0 | 2010-01-21 23:36:01 | [diff] [blame] | 1052 | needs_reload_ = false; |
| 1053 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1054 | // For session history navigations only the pending_entry_index_ is set. |
| 1055 | if (!pending_entry_) { |
[email protected] | 4bf3522c | 2010-08-19 21:00:20 | [diff] [blame] | 1056 | DCHECK_NE(pending_entry_index_, -1); |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1057 | pending_entry_ = entries_[pending_entry_index_].get(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1058 | } |
| 1059 | |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 1060 | if (!tab_contents_->NavigateToPendingEntry(reload_type)) |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1061 | DiscardNonCommittedEntries(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1062 | } |
| 1063 | |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 1064 | void NavigationController::NotifyNavigationEntryCommitted( |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 1065 | LoadCommittedDetails* details, |
| 1066 | int extra_invalidate_flags) { |
[email protected] | df1af24 | 2009-05-01 00:11:40 | [diff] [blame] | 1067 | details->entry = GetActiveEntry(); |
| 1068 | NotificationDetails notification_details = |
| 1069 | Details<LoadCommittedDetails>(details); |
| 1070 | |
| 1071 | // We need to notify the ssl_manager_ before the tab_contents_ so the |
| 1072 | // location bar will have up-to-date information about the security style |
| 1073 | // when it wants to draw. See http://crbug.com/11157 |
| 1074 | ssl_manager_.DidCommitProvisionalLoad(notification_details); |
| 1075 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1076 | // TODO(pkasting): http://b/1113079 Probably these explicit notification paths |
| 1077 | // should be removed, and interested parties should just listen for the |
| 1078 | // notification below instead. |
[email protected] | 9423d941 | 2009-04-14 22:13:55 | [diff] [blame] | 1079 | tab_contents_->NotifyNavigationStateChanged( |
[email protected] | 8030f01 | 2009-09-25 18:09:37 | [diff] [blame] | 1080 | kInvalidateAllButShelves | extra_invalidate_flags); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1081 | |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 1082 | NotificationService::current()->Notify( |
[email protected] | bfd04a6 | 2009-02-01 18:16:56 | [diff] [blame] | 1083 | NotificationType::NAV_ENTRY_COMMITTED, |
[email protected] | ecd9d870 | 2008-08-28 22:10:17 | [diff] [blame] | 1084 | Source<NavigationController>(this), |
[email protected] | df1af24 | 2009-05-01 00:11:40 | [diff] [blame] | 1085 | notification_details); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1086 | } |
| 1087 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1088 | // static |
| 1089 | void NavigationController::DisablePromptOnRepost() { |
| 1090 | check_for_repost_ = false; |
| 1091 | } |
| 1092 | |
| 1093 | void NavigationController::SetActive(bool is_active) { |
[email protected] | ee61392 | 2009-09-02 20:38:22 | [diff] [blame] | 1094 | if (is_active && needs_reload_) |
| 1095 | LoadIfNecessary(); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1096 | } |
| 1097 | |
| 1098 | void NavigationController::LoadIfNecessary() { |
| 1099 | if (!needs_reload_) |
| 1100 | return; |
| 1101 | |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1102 | // Calling Reload() results in ignoring state, and not loading. |
| 1103 | // Explicitly use NavigateToPendingEntry so that the renderer uses the |
| 1104 | // cached state. |
| 1105 | pending_entry_index_ = last_committed_entry_index_; |
[email protected] | 1ccb3568d | 2010-02-19 10:51:16 | [diff] [blame] | 1106 | NavigateToPendingEntry(NO_RELOAD); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1107 | } |
| 1108 | |
[email protected] | 534e54b | 2008-08-13 15:40:09 | [diff] [blame] | 1109 | void NavigationController::NotifyEntryChanged(const NavigationEntry* entry, |
| 1110 | int index) { |
| 1111 | EntryChangedDetails det; |
| 1112 | det.changed_entry = entry; |
| 1113 | det.index = index; |
[email protected] | bfd04a6 | 2009-02-01 18:16:56 | [diff] [blame] | 1114 | NotificationService::current()->Notify(NotificationType::NAV_ENTRY_CHANGED, |
[email protected] | 534e54b | 2008-08-13 15:40:09 | [diff] [blame] | 1115 | Source<NavigationController>(this), |
| 1116 | Details<EntryChangedDetails>(&det)); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1117 | } |
| 1118 | |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 1119 | void NavigationController::FinishRestore(int selected_index, |
| 1120 | bool from_last_session) { |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 1121 | DCHECK(selected_index >= 0 && selected_index < entry_count()); |
[email protected] | 5e36967 | 2009-11-03 23:48:30 | [diff] [blame] | 1122 | ConfigureEntriesForRestore(&entries_, from_last_session); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1123 | |
[email protected] | 6139815 | 2010-08-26 21:45:34 | [diff] [blame] | 1124 | set_max_restored_page_id(static_cast<int32>(entry_count())); |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1125 | |
| 1126 | last_committed_entry_index_ = selected_index; |
initial.commit | 09911bf | 2008-07-26 23:55:29 | [diff] [blame] | 1127 | } |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1128 | |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1129 | void NavigationController::DiscardNonCommittedEntriesInternal() { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1130 | if (pending_entry_index_ == -1) |
| 1131 | delete pending_entry_; |
| 1132 | pending_entry_ = NULL; |
| 1133 | pending_entry_index_ = -1; |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1134 | |
| 1135 | DiscardTransientEntry(); |
| 1136 | } |
| 1137 | |
| 1138 | void NavigationController::DiscardTransientEntry() { |
| 1139 | if (transient_entry_index_ == -1) |
| 1140 | return; |
[email protected] | a0e6926 | 2009-06-03 19:08:48 | [diff] [blame] | 1141 | entries_.erase(entries_.begin() + transient_entry_index_); |
[email protected] | 80858db5 | 2009-10-15 00:35:18 | [diff] [blame] | 1142 | if (last_committed_entry_index_ > transient_entry_index_) |
| 1143 | last_committed_entry_index_--; |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1144 | transient_entry_index_ = -1; |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1145 | } |
| 1146 | |
| 1147 | int NavigationController::GetEntryIndexWithPageID( |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 1148 | SiteInstance* instance, int32 page_id) const { |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1149 | for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) { |
[email protected] | 7f0005a | 2009-04-15 03:25:11 | [diff] [blame] | 1150 | if ((entries_[i]->site_instance() == instance) && |
[email protected] | 1e5645ff | 2008-08-27 18:09:07 | [diff] [blame] | 1151 | (entries_[i]->page_id() == page_id)) |
[email protected] | 765b3550 | 2008-08-21 00:51:20 | [diff] [blame] | 1152 | return i; |
| 1153 | } |
| 1154 | return -1; |
| 1155 | } |
[email protected] | cbab76d | 2008-10-13 22:42:47 | [diff] [blame] | 1156 | |
| 1157 | NavigationEntry* NavigationController::GetTransientEntry() const { |
| 1158 | if (transient_entry_index_ == -1) |
| 1159 | return NULL; |
| 1160 | return entries_[transient_entry_index_].get(); |
| 1161 | } |
[email protected] | e1cd545 | 2010-08-26 18:03:25 | [diff] [blame] | 1162 | |
| 1163 | void NavigationController::PruneAllButActive() { |
| 1164 | int prune_count = entry_count(); |
| 1165 | if (transient_entry_index_ != -1) { |
| 1166 | // There is a transient entry. Prune up to it. |
| 1167 | DCHECK_EQ(entry_count() - 1, transient_entry_index_); |
| 1168 | prune_count = transient_entry_index_; |
| 1169 | transient_entry_index_ = 0; |
| 1170 | last_committed_entry_index_ = -1; |
| 1171 | pending_entry_index_ = -1; |
| 1172 | } else if (!pending_entry_) { |
| 1173 | // There's no pending entry. Leave the last entry (if there is one). |
| 1174 | if (!prune_count) |
| 1175 | return; |
| 1176 | |
| 1177 | prune_count--; |
| 1178 | last_committed_entry_index_ = 0; |
| 1179 | } else if (pending_entry_index_ != -1) { |
| 1180 | DCHECK_EQ(pending_entry_index_, prune_count - 1); |
| 1181 | pending_entry_index_ = 0; |
| 1182 | last_committed_entry_index_ = 0; |
| 1183 | prune_count--; |
| 1184 | } else { |
| 1185 | // There is a pending_entry, but it's not in entries_. |
| 1186 | pending_entry_index_ = -1; |
| 1187 | last_committed_entry_index_ = -1; |
| 1188 | } |
| 1189 | |
| 1190 | if (tab_contents_->interstitial_page()) { |
| 1191 | // Normally the interstitial page hides itself if the user doesn't proceeed. |
| 1192 | // This would result in showing a NavigationEntry we just removed. Set this |
| 1193 | // so the interstitial triggers a reload if the user doesn't proceed. |
| 1194 | tab_contents_->interstitial_page()->set_reload_on_dont_proceed(true); |
| 1195 | } |
| 1196 | |
| 1197 | entries_.erase(entries_.begin(), entries_.begin() + prune_count); |
| 1198 | } |
| 1199 | |
| 1200 | void NavigationController::InsertEntriesFrom( |
| 1201 | const NavigationController& source, |
| 1202 | int max_index) { |
| 1203 | DCHECK_LE(max_index, source.entry_count()); |
| 1204 | size_t insert_index = 0; |
| 1205 | for (int i = 0; i < max_index; i++) { |
| 1206 | // When cloning a tab, copy all entries except interstitial pages |
| 1207 | if (source.entries_[i].get()->page_type() != |
| 1208 | NavigationEntry::INTERSTITIAL_PAGE) { |
| 1209 | entries_.insert(entries_.begin() + insert_index++, |
| 1210 | linked_ptr<NavigationEntry>( |
| 1211 | new NavigationEntry(*source.entries_[i]))); |
| 1212 | } |
| 1213 | } |
| 1214 | } |