blob: 881169f1b0c68626d33538c83b9222e56d0be34e [file] [log] [blame]
[email protected]91854cd2012-01-10 19:43:571// Copyright (c) 2012 The Chromium Authors. All rights reserved.
license.botbf09a502008-08-24 00:55:552// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
initial.commit09911bf2008-07-26 23:55:294
[email protected]f9e4dae2012-04-10 21:26:375#include "content/browser/web_contents/navigation_controller_impl.h"
initial.commit09911bf2008-07-26 23:55:296
initial.commit09911bf2008-07-26 23:55:297#include "base/file_util.h"
8#include "base/logging.h"
[email protected]b69934e2011-10-29 02:51:529#include "base/string_number_conversions.h" // Temporary
initial.commit09911bf2008-07-26 23:55:2910#include "base/string_util.h"
[email protected]b689fce72009-03-17 22:45:3411#include "base/time.h"
[email protected]252cad62010-08-18 18:33:5712#include "base/utf_string_conversions.h"
[email protected]825b1662012-03-12 19:07:3113#include "content/browser/browser_url_handler_impl.h"
[email protected]b9535422012-02-09 01:47:5914#include "content/browser/child_process_security_policy_impl.h"
[email protected]1ea3c792012-04-17 01:25:0415#include "content/browser/dom_storage/dom_storage_context_impl.h"
16#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]b3c41c0b2012-03-06 15:48:3217#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary
[email protected]b6583592012-01-25 19:52:3318#include "content/browser/site_instance_impl.h"
[email protected]f9e4dae2012-04-10 21:26:3719#include "content/browser/web_contents/debug_urls.h"
20#include "content/browser/web_contents/interstitial_page_impl.h"
21#include "content/browser/web_contents/navigation_entry_impl.h"
[email protected]93ddb3c2012-04-11 21:44:2922#include "content/browser/web_contents/web_contents_impl.h"
[email protected]0aed2f52011-03-23 18:06:3623#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1124#include "content/public/browser/browser_context.h"
[email protected]d9083482012-01-06 00:38:4625#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0026#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3827#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1628#include "content/public/browser/notification_types.h"
[email protected]7f6f44c2011-12-14 13:23:3829#include "content/public/browser/user_metrics.h"
[email protected]674bc592011-12-20 23:00:4230#include "content/public/browser/web_contents_delegate.h"
[email protected]7f6f44c2011-12-14 13:23:3831#include "content/public/common/content_constants.h"
[email protected]d1ef81d2012-07-24 11:39:3632#include "content/public/common/url_constants.h"
[email protected]a23de8572009-06-03 02:16:3233#include "net/base/escape.h"
[email protected]31682282010-01-15 18:05:1634#include "net/base/mime_util.h"
[email protected]7f070d42011-03-09 20:25:3235#include "net/base/net_util.h"
[email protected]765b35502008-08-21 00:51:2036#include "webkit/glue/webkit_glue.h"
initial.commit09911bf2008-07-26 23:55:2937
[email protected]cdcb1dee2012-01-04 00:46:2038using content::BrowserContext;
[email protected]adbfb8df2012-02-24 01:19:4339using content::DOMStorageContext;
[email protected]e5d549d2011-12-28 01:29:2040using content::GlobalRequestID;
[email protected]c5eed492012-01-04 17:07:5041using content::NavigationController;
[email protected]10f417c52011-12-28 21:04:2342using content::NavigationEntry;
43using content::NavigationEntryImpl;
[email protected]eaabba22012-03-07 15:02:1144using content::RenderViewHostImpl;
[email protected]adbfb8df2012-02-24 01:19:4345using content::SessionStorageNamespace;
[email protected]b6583592012-01-25 19:52:3346using content::SiteInstance;
[email protected]7f6f44c2011-12-14 13:23:3847using content::UserMetricsAction;
[email protected]fbc5e5f92012-01-02 06:08:3248using content::WebContents;
[email protected]7f6f44c2011-12-14 13:23:3849
[email protected]e9ba4472008-09-14 15:42:4350namespace {
51
[email protected]93f230e02011-06-01 14:40:0052const int kInvalidateAll = 0xFFFFFFFF;
[email protected]8030f012009-09-25 18:09:3753
[email protected]e9ba4472008-09-14 15:42:4354// Invoked when entries have been pruned, or removed. For example, if the
55// current entries are [google, digg, yahoo], with the current entry google,
56// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4757void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4958 bool from_front,
59 int count) {
[email protected]8286f51a2011-05-31 17:39:1360 content::PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4961 details.from_front = from_front;
62 details.count = count;
[email protected]ad50def52011-10-19 23:17:0763 content::NotificationService::current()->Notify(
[email protected]432115822011-07-10 15:52:2764 content::NOTIFICATION_NAV_LIST_PRUNED,
[email protected]c5eed492012-01-04 17:07:5065 content::Source<NavigationController>(nav_controller),
[email protected]6c2381d2011-10-19 02:52:5366 content::Details<content::PrunedDetails>(&details));
[email protected]e9ba4472008-09-14 15:42:4367}
68
69// Ensure the given NavigationEntry has a valid state, so that WebKit does not
70// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:3971//
[email protected]e9ba4472008-09-14 15:42:4372// An empty state is treated as a new navigation by WebKit, which would mean
73// losing the navigation entries and generating a new navigation entry after
74// this one. We don't want that. To avoid this we create a valid state which
75// WebKit will not treat as a new navigation.
[email protected]10f417c52011-12-28 21:04:2376void SetContentStateIfEmpty(NavigationEntryImpl* entry) {
[email protected]36fc0392011-12-25 03:59:5177 if (entry->GetContentState().empty()) {
78 entry->SetContentState(
79 webkit_glue::CreateHistoryStateForURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:4380 }
81}
82
83// Configure all the NavigationEntries in entries for restore. This resets
84// the transition type to reload and makes sure the content state isn't empty.
85void ConfigureEntriesForRestore(
[email protected]10f417c52011-12-28 21:04:2386 std::vector<linked_ptr<NavigationEntryImpl> >* entries,
[email protected]5e369672009-11-03 23:48:3087 bool from_last_session) {
[email protected]e9ba4472008-09-14 15:42:4388 for (size_t i = 0; i < entries->size(); ++i) {
89 // Use a transition type of reload so that we don't incorrectly increase
90 // the typed count.
[email protected]022af742011-12-28 18:37:2591 (*entries)[i]->SetTransitionType(content::PAGE_TRANSITION_RELOAD);
[email protected]5e369672009-11-03 23:48:3092 (*entries)[i]->set_restore_type(from_last_session ?
[email protected]10f417c52011-12-28 21:04:2393 NavigationEntryImpl::RESTORE_LAST_SESSION :
94 NavigationEntryImpl::RESTORE_CURRENT_SESSION);
[email protected]e9ba4472008-09-14 15:42:4395 // NOTE(darin): This code is only needed for backwards compat.
96 SetContentStateIfEmpty((*entries)[i].get());
97 }
98}
99
100// See NavigationController::IsURLInPageNavigation for how this works and why.
101bool AreURLsInPageNavigation(const GURL& existing_url, const GURL& new_url) {
[email protected]192d8c5e2010-02-23 07:26:32102 if (existing_url == new_url || !new_url.has_ref()) {
103 // TODO(jcampan): what about when navigating back from a ref URL to the top
104 // non ref URL? Nothing is loaded in that case but we return false here.
105 // The user could also navigate from the ref URL to the non ref URL by
106 // entering the non ref URL in the location bar or through a bookmark, in
107 // which case there would be a load. I am not sure if the non-load/load
108 // scenarios can be differentiated with the TransitionType.
[email protected]e9ba4472008-09-14 15:42:43109 return false;
[email protected]192d8c5e2010-02-23 07:26:32110 }
[email protected]e9ba4472008-09-14 15:42:43111
112 url_canon::Replacements<char> replacements;
113 replacements.ClearRef();
114 return existing_url.ReplaceComponents(replacements) ==
115 new_url.ReplaceComponents(replacements);
116}
117
[email protected]bf70edce2012-06-20 22:32:22118// Determines whether or not we should be carrying over a user agent override
119// between two NavigationEntries.
120bool ShouldKeepOverride(const content::NavigationEntry* last_entry) {
121 return last_entry && last_entry->GetIsOverridingUserAgent();
122}
123
[email protected]e9ba4472008-09-14 15:42:43124} // namespace
125
[email protected]d202a7c2012-01-04 07:53:47126// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29127
[email protected]9b51970d2011-12-09 23:10:23128const size_t kMaxEntryCountForTestingNotSet = -1;
129
[email protected]765b35502008-08-21 00:51:20130// static
[email protected]d202a7c2012-01-04 07:53:47131size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23132 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20133
[email protected]cdcb1dee2012-01-04 00:46:20134 // Should Reload check for post data? The default is true, but is set to false
135// when testing.
136static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29137
[email protected]cdcb1dee2012-01-04 00:46:20138namespace content {
[email protected]71fde352011-12-29 03:29:56139// static
[email protected]cdcb1dee2012-01-04 00:46:20140NavigationEntry* NavigationController::CreateNavigationEntry(
[email protected]71fde352011-12-29 03:29:56141 const GURL& url,
[email protected]cdcb1dee2012-01-04 00:46:20142 const Referrer& referrer,
143 PageTransition transition,
[email protected]71fde352011-12-29 03:29:56144 bool is_renderer_initiated,
145 const std::string& extra_headers,
[email protected]cdcb1dee2012-01-04 00:46:20146 BrowserContext* browser_context) {
[email protected]71fde352011-12-29 03:29:56147 // Allow the browser URL handler to rewrite the URL. This will, for example,
148 // remove "view-source:" from the beginning of the URL to get the URL that
149 // will actually be loaded. This real URL won't be shown to the user, just
150 // used internally.
151 GURL loaded_url(url);
152 bool reverse_on_redirect = false;
[email protected]825b1662012-03-12 19:07:31153 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
[email protected]71fde352011-12-29 03:29:56154 &loaded_url, browser_context, &reverse_on_redirect);
155
156 NavigationEntryImpl* entry = new NavigationEntryImpl(
157 NULL, // The site instance for tabs is sent on navigation
[email protected]2db9bd72012-04-13 20:20:56158 // (WebContents::GetSiteInstance).
[email protected]71fde352011-12-29 03:29:56159 -1,
160 loaded_url,
161 referrer,
162 string16(),
163 transition,
164 is_renderer_initiated);
165 entry->SetVirtualURL(url);
166 entry->set_user_typed_url(url);
167 entry->set_update_virtual_url_with_url(reverse_on_redirect);
168 entry->set_extra_headers(extra_headers);
169 return entry;
170}
171
[email protected]cdcb1dee2012-01-04 00:46:20172// static
173void NavigationController::DisablePromptOnRepost() {
174 g_check_for_repost = false;
175}
176
177} // namespace content
178
[email protected]d202a7c2012-01-04 07:53:47179NavigationControllerImpl::NavigationControllerImpl(
[email protected]2db9bd72012-04-13 20:20:56180 WebContentsImpl* web_contents,
[email protected]cdcb1dee2012-01-04 00:46:20181 BrowserContext* browser_context,
[email protected]adbfb8df2012-02-24 01:19:43182 SessionStorageNamespaceImpl* session_storage_namespace)
[email protected]3d7474ff2011-07-27 17:47:37183 : browser_context_(browser_context),
[email protected]765b35502008-08-21 00:51:20184 pending_entry_(NULL),
185 last_committed_entry_index_(-1),
186 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47187 transient_entry_index_(-1),
[email protected]2db9bd72012-04-13 20:20:56188 web_contents_(web_contents),
initial.commit09911bf2008-07-26 23:55:29189 max_restored_page_id_(-1),
[email protected]5d063842009-05-15 04:08:24190 ALLOW_THIS_IN_INITIALIZER_LIST(ssl_manager_(this)),
[email protected]38b8f4e2009-09-24 19:44:57191 needs_reload_(false),
[email protected]6ee12c42010-09-14 09:36:07192 session_storage_namespace_(session_storage_namespace),
[email protected]106a0812010-03-18 00:15:12193 pending_reload_(NO_RELOAD) {
[email protected]3d7474ff2011-07-27 17:47:37194 DCHECK(browser_context_);
[email protected]228d06592011-04-01 20:38:59195 if (!session_storage_namespace_) {
[email protected]adbfb8df2012-02-24 01:19:43196 session_storage_namespace_ = new SessionStorageNamespaceImpl(
197 static_cast<DOMStorageContextImpl*>(
[email protected]d7c7c98a2012-07-12 21:27:44198 BrowserContext::GetDefaultDOMStorageContext(browser_context_)));
[email protected]228d06592011-04-01 20:38:59199 }
initial.commit09911bf2008-07-26 23:55:29200}
201
[email protected]d202a7c2012-01-04 07:53:47202NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47203 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29204}
205
[email protected]d202a7c2012-01-04 07:53:47206WebContents* NavigationControllerImpl::GetWebContents() const {
[email protected]2db9bd72012-04-13 20:20:56207 return web_contents_;
[email protected]fbc5e5f92012-01-02 06:08:32208}
209
[email protected]d202a7c2012-01-04 07:53:47210BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
[email protected]a26023822011-12-29 00:23:55211 return browser_context_;
212}
213
[email protected]d202a7c2012-01-04 07:53:47214void NavigationControllerImpl::SetBrowserContext(
215 BrowserContext* browser_context) {
[email protected]cdcb1dee2012-01-04 00:46:20216 browser_context_ = browser_context;
217}
218
[email protected]d202a7c2012-01-04 07:53:47219void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30220 int selected_navigation,
[email protected]03838e22011-06-06 15:27:14221 bool from_last_session,
[email protected]10f417c52011-12-28 21:04:23222 std::vector<NavigationEntry*>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57223 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55224 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57225 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14226 selected_navigation < static_cast<int>(entries->size()));
[email protected]ce3fa3c2009-04-20 19:55:57227
[email protected]ce3fa3c2009-04-20 19:55:57228 needs_reload_ = true;
[email protected]ad23a092011-12-28 07:02:04229 for (size_t i = 0; i < entries->size(); ++i) {
[email protected]10f417c52011-12-28 21:04:23230 NavigationEntryImpl* entry =
231 NavigationEntryImpl::FromNavigationEntry((*entries)[i]);
232 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]ad23a092011-12-28 07:02:04233 }
[email protected]03838e22011-06-06 15:27:14234 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57235
236 // And finish the restore.
[email protected]5e369672009-11-03 23:48:30237 FinishRestore(selected_navigation, from_last_session);
[email protected]ce3fa3c2009-04-20 19:55:57238}
239
[email protected]d202a7c2012-01-04 07:53:47240void NavigationControllerImpl::Reload(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16241 ReloadInternal(check_for_repost, RELOAD);
242}
[email protected]d202a7c2012-01-04 07:53:47243void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16244 ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE);
245}
[email protected]7c16976c2012-08-04 02:38:23246void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) {
247 ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL);
248}
[email protected]1ccb3568d2010-02-19 10:51:16249
[email protected]d202a7c2012-01-04 07:53:47250void NavigationControllerImpl::ReloadInternal(bool check_for_repost,
251 ReloadType reload_type) {
[email protected]cbab76d2008-10-13 22:42:47252 // Reloading a transient entry does nothing.
253 if (transient_entry_index_ != -1)
254 return;
255
256 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29257 int current_index = GetCurrentEntryIndex();
[email protected]106a0812010-03-18 00:15:12258 // If we are no where, then we can't reload. TODO(darin): We should add a
259 // CanReload method.
260 if (current_index == -1) {
261 return;
262 }
263
[email protected]cdcb1dee2012-01-04 00:46:20264 if (g_check_for_repost && check_for_repost &&
[email protected]36fc0392011-12-25 03:59:51265 GetEntryAtIndex(current_index)->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30266 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07267 // they really want to do this. If they do, the dialog will call us back
268 // with check_for_repost = false.
[email protected]ad50def52011-10-19 23:17:07269 content::NotificationService::current()->Notify(
[email protected]432115822011-07-10 15:52:27270 content::NOTIFICATION_REPOST_WARNING_SHOWN,
[email protected]c5eed492012-01-04 17:07:50271 content::Source<NavigationController>(this),
[email protected]ad50def52011-10-19 23:17:07272 content::NotificationService::NoDetails());
[email protected]965bb092010-04-09 11:59:02273
[email protected]106a0812010-03-18 00:15:12274 pending_reload_ = reload_type;
[email protected]2db9bd72012-04-13 20:20:56275 web_contents_->Activate();
276 web_contents_->GetDelegate()->ShowRepostFormWarningDialog(web_contents_);
initial.commit09911bf2008-07-26 23:55:29277 } else {
[email protected]cbab76d2008-10-13 22:42:47278 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:20279
[email protected]bcd904482012-02-01 01:54:22280 NavigationEntryImpl* entry = entries_[current_index].get();
281 SiteInstanceImpl* site_instance = entry->site_instance();
282 DCHECK(site_instance);
[email protected]c3b3d952012-01-31 12:52:26283
[email protected]bcd904482012-02-01 01:54:22284 // If we are reloading an entry that no longer belongs to the current
285 // site instance (for example, refreshing a page for just installed app),
286 // the reload must happen in a new process.
287 // The new entry must have a new page_id and site instance, so it behaves
288 // as new navigation (which happens to clear forward history).
[email protected]7e58cb272012-03-30 21:22:30289 // Tabs that are discarded due to low memory conditions may not have a site
290 // instance, and should not be treated as a cross-site reload.
291 if (site_instance &&
292 site_instance->HasWrongProcessForURL(entry->GetURL())) {
[email protected]bcd904482012-02-01 01:54:22293 // Create a navigation entry that resembles the current one, but do not
294 // copy page id, site instance, and content state.
295 NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry(
296 CreateNavigationEntry(
297 entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(),
298 false, entry->extra_headers(), browser_context_));
[email protected]c3b3d952012-01-31 12:52:26299
[email protected]11535962012-02-09 21:02:10300 // Mark the reload type as NO_RELOAD, so navigation will not be considered
301 // a reload in the renderer.
302 reload_type = NavigationController::NO_RELOAD;
303
[email protected]bcd904482012-02-01 01:54:22304 nav_entry->set_is_cross_site_reload(true);
305 pending_entry_ = nav_entry;
306 } else {
307 pending_entry_index_ = current_index;
308
309 // The title of the page being reloaded might have been removed in the
310 // meanwhile, so we need to revert to the default title upon reload and
311 // invalidate the previously cached title (SetTitle will do both).
312 // See Chromium issue 96041.
313 entries_[pending_entry_index_]->SetTitle(string16());
314
315 entries_[pending_entry_index_]->SetTransitionType(
316 content::PAGE_TRANSITION_RELOAD);
317 }
318
[email protected]1ccb3568d2010-02-19 10:51:16319 NavigateToPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29320 }
321}
322
[email protected]d202a7c2012-01-04 07:53:47323void NavigationControllerImpl::CancelPendingReload() {
[email protected]106a0812010-03-18 00:15:12324 DCHECK(pending_reload_ != NO_RELOAD);
325 pending_reload_ = NO_RELOAD;
326}
327
[email protected]d202a7c2012-01-04 07:53:47328void NavigationControllerImpl::ContinuePendingReload() {
[email protected]106a0812010-03-18 00:15:12329 if (pending_reload_ == NO_RELOAD) {
330 NOTREACHED();
331 } else {
332 ReloadInternal(false, pending_reload_);
[email protected]965bb092010-04-09 11:59:02333 pending_reload_ = NO_RELOAD;
[email protected]106a0812010-03-18 00:15:12334 }
335}
336
[email protected]d202a7c2012-01-04 07:53:47337bool NavigationControllerImpl::IsInitialNavigation() {
[email protected]c70f9b82010-04-21 07:31:11338 return last_document_loaded_.is_null();
339}
340
[email protected]d202a7c2012-01-04 07:53:47341NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID(
[email protected]b6583592012-01-25 19:52:33342 SiteInstance* instance, int32 page_id) const {
[email protected]7f0005a2009-04-15 03:25:11343 int index = GetEntryIndexWithPageID(instance, page_id);
[email protected]765b35502008-08-21 00:51:20344 return (index != -1) ? entries_[index].get() : NULL;
345}
346
[email protected]d202a7c2012-01-04 07:53:47347void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) {
[email protected]419a0572011-04-18 22:21:46348 // Don't navigate to URLs disabled by policy. This prevents showing the URL
349 // on the Omnibar when it is also going to be blocked by
350 // ChildProcessSecurityPolicy::CanRequestURL.
[email protected]b9535422012-02-09 01:47:59351 ChildProcessSecurityPolicyImpl* policy =
352 ChildProcessSecurityPolicyImpl::GetInstance();
[email protected]36fc0392011-12-25 03:59:51353 if (policy->IsDisabledScheme(entry->GetURL().scheme()) ||
354 policy->IsDisabledScheme(entry->GetVirtualURL().scheme())) {
[email protected]419a0572011-04-18 22:21:46355 VLOG(1) << "URL not loaded because the scheme is blocked by policy: "
[email protected]36fc0392011-12-25 03:59:51356 << entry->GetURL();
[email protected]419a0572011-04-18 22:21:46357 delete entry;
358 return;
359 }
360
[email protected]765b35502008-08-21 00:51:20361 // When navigating to a new page, we don't know for sure if we will actually
362 // end up leaving the current page. The new page load could for example
363 // result in a download or a 'no content' response (e.g., a mailto: URL).
[email protected]cbab76d2008-10-13 22:42:47364 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:20365 pending_entry_ = entry;
[email protected]ad50def52011-10-19 23:17:07366 content::NotificationService::current()->Notify(
[email protected]432115822011-07-10 15:52:27367 content::NOTIFICATION_NAV_ENTRY_PENDING,
[email protected]c5eed492012-01-04 17:07:50368 content::Source<NavigationController>(this),
[email protected]10f417c52011-12-28 21:04:23369 content::Details<NavigationEntry>(entry));
[email protected]1ccb3568d2010-02-19 10:51:16370 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20371}
372
[email protected]d202a7c2012-01-04 07:53:47373NavigationEntry* NavigationControllerImpl::GetActiveEntry() const {
[email protected]cbab76d2008-10-13 22:42:47374 if (transient_entry_index_ != -1)
375 return entries_[transient_entry_index_].get();
376 if (pending_entry_)
377 return pending_entry_;
378 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20379}
380
[email protected]d202a7c2012-01-04 07:53:47381NavigationEntry* NavigationControllerImpl::GetVisibleEntry() const {
[email protected]867e1f92011-08-30 19:01:19382 if (transient_entry_index_ != -1)
383 return entries_[transient_entry_index_].get();
[email protected]e47ae9472011-10-13 19:48:34384 // Only return the pending_entry for new (non-history), browser-initiated
385 // navigations, in order to prevent URL spoof attacks.
386 // Ideally we would also show the pending entry's URL for new renderer-
387 // initiated navigations with no last committed entry (e.g., a link opening
388 // in a new tab), but an attacker can insert content into the about:blank
389 // page while the pending URL loads in that case.
390 if (pending_entry_ &&
[email protected]36fc0392011-12-25 03:59:51391 pending_entry_->GetPageID() == -1 &&
[email protected]e47ae9472011-10-13 19:48:34392 !pending_entry_->is_renderer_initiated())
[email protected]867e1f92011-08-30 19:01:19393 return pending_entry_;
394 return GetLastCommittedEntry();
395}
396
[email protected]d202a7c2012-01-04 07:53:47397int NavigationControllerImpl::GetCurrentEntryIndex() const {
[email protected]cbab76d2008-10-13 22:42:47398 if (transient_entry_index_ != -1)
399 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20400 if (pending_entry_index_ != -1)
401 return pending_entry_index_;
402 return last_committed_entry_index_;
403}
404
[email protected]d202a7c2012-01-04 07:53:47405NavigationEntry* NavigationControllerImpl::GetLastCommittedEntry() const {
[email protected]765b35502008-08-21 00:51:20406 if (last_committed_entry_index_ == -1)
407 return NULL;
408 return entries_[last_committed_entry_index_].get();
409}
410
[email protected]d202a7c2012-01-04 07:53:47411bool NavigationControllerImpl::CanViewSource() const {
[email protected]31682282010-01-15 18:05:16412 bool is_supported_mime_type = net::IsSupportedNonImageMimeType(
[email protected]2db9bd72012-04-13 20:20:56413 web_contents_->GetContentsMimeType().c_str());
[email protected]10f417c52011-12-28 21:04:23414 NavigationEntry* active_entry = GetActiveEntry();
[email protected]31682282010-01-15 18:05:16415 return active_entry && !active_entry->IsViewSourceMode() &&
[email protected]2db9bd72012-04-13 20:20:56416 is_supported_mime_type && !web_contents_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16417}
418
[email protected]d202a7c2012-01-04 07:53:47419int NavigationControllerImpl::GetLastCommittedEntryIndex() const {
[email protected]a26023822011-12-29 00:23:55420 return last_committed_entry_index_;
421}
422
[email protected]d202a7c2012-01-04 07:53:47423int NavigationControllerImpl::GetEntryCount() const {
[email protected]944822b2012-03-02 20:57:25424 DCHECK(entries_.size() <= max_entry_count());
[email protected]a26023822011-12-29 00:23:55425 return static_cast<int>(entries_.size());
426}
427
[email protected]d202a7c2012-01-04 07:53:47428NavigationEntry* NavigationControllerImpl::GetEntryAtIndex(
[email protected]022af742011-12-28 18:37:25429 int index) const {
430 return entries_.at(index).get();
431}
432
[email protected]d202a7c2012-01-04 07:53:47433NavigationEntry* NavigationControllerImpl::GetEntryAtOffset(
[email protected]022af742011-12-28 18:37:25434 int offset) const {
[email protected]9ba14052012-06-22 23:50:03435 int index = GetIndexForOffset(offset);
[email protected]a26023822011-12-29 00:23:55436 if (index < 0 || index >= GetEntryCount())
[email protected]765b35502008-08-21 00:51:20437 return NULL;
438
439 return entries_[index].get();
440}
441
[email protected]9ba14052012-06-22 23:50:03442int NavigationControllerImpl::GetIndexForOffset(int offset) const {
443 return (transient_entry_index_ != -1) ?
444 transient_entry_index_ + offset :
445 last_committed_entry_index_ + offset;
446}
447
[email protected]d202a7c2012-01-04 07:53:47448bool NavigationControllerImpl::CanGoBack() const {
[email protected]765b35502008-08-21 00:51:20449 return entries_.size() > 1 && GetCurrentEntryIndex() > 0;
450}
451
[email protected]d202a7c2012-01-04 07:53:47452bool NavigationControllerImpl::CanGoForward() const {
[email protected]765b35502008-08-21 00:51:20453 int index = GetCurrentEntryIndex();
454 return index >= 0 && index < (static_cast<int>(entries_.size()) - 1);
455}
456
[email protected]9ba14052012-06-22 23:50:03457bool NavigationControllerImpl::CanGoToOffset(int offset) const {
458 int index = GetIndexForOffset(offset);
459 return index >= 0 && index < GetEntryCount();
460}
461
[email protected]d202a7c2012-01-04 07:53:47462void NavigationControllerImpl::GoBack() {
[email protected]765b35502008-08-21 00:51:20463 if (!CanGoBack()) {
464 NOTREACHED();
465 return;
466 }
467
468 // Base the navigation on where we are now...
469 int current_index = GetCurrentEntryIndex();
470
[email protected]cbab76d2008-10-13 22:42:47471 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20472
473 pending_entry_index_ = current_index - 1;
[email protected]022af742011-12-28 18:37:25474 entries_[pending_entry_index_]->SetTransitionType(
[email protected]2905f742011-10-13 03:51:58475 content::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51476 entries_[pending_entry_index_]->GetTransitionType() |
[email protected]2905f742011-10-13 03:51:58477 content::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16478 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20479}
480
[email protected]d202a7c2012-01-04 07:53:47481void NavigationControllerImpl::GoForward() {
[email protected]765b35502008-08-21 00:51:20482 if (!CanGoForward()) {
483 NOTREACHED();
484 return;
485 }
486
[email protected]cbab76d2008-10-13 22:42:47487 bool transient = (transient_entry_index_ != -1);
488
[email protected]765b35502008-08-21 00:51:20489 // Base the navigation on where we are now...
490 int current_index = GetCurrentEntryIndex();
491
[email protected]cbab76d2008-10-13 22:42:47492 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20493
[email protected]cbab76d2008-10-13 22:42:47494 pending_entry_index_ = current_index;
495 // If there was a transient entry, we removed it making the current index
496 // the next page.
497 if (!transient)
498 pending_entry_index_++;
499
[email protected]022af742011-12-28 18:37:25500 entries_[pending_entry_index_]->SetTransitionType(
[email protected]2905f742011-10-13 03:51:58501 content::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51502 entries_[pending_entry_index_]->GetTransitionType() |
[email protected]2905f742011-10-13 03:51:58503 content::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16504 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20505}
506
[email protected]d202a7c2012-01-04 07:53:47507void NavigationControllerImpl::GoToIndex(int index) {
[email protected]765b35502008-08-21 00:51:20508 if (index < 0 || index >= static_cast<int>(entries_.size())) {
509 NOTREACHED();
510 return;
511 }
512
[email protected]cbab76d2008-10-13 22:42:47513 if (transient_entry_index_ != -1) {
514 if (index == transient_entry_index_) {
515 // Nothing to do when navigating to the transient.
516 return;
517 }
518 if (index > transient_entry_index_) {
519 // Removing the transient is goint to shift all entries by 1.
520 index--;
521 }
522 }
523
524 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20525
526 pending_entry_index_ = index;
[email protected]022af742011-12-28 18:37:25527 entries_[pending_entry_index_]->SetTransitionType(
[email protected]2905f742011-10-13 03:51:58528 content::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51529 entries_[pending_entry_index_]->GetTransitionType() |
[email protected]2905f742011-10-13 03:51:58530 content::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16531 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20532}
533
[email protected]d202a7c2012-01-04 07:53:47534void NavigationControllerImpl::GoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03535 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20536 return;
537
[email protected]9ba14052012-06-22 23:50:03538 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20539}
540
[email protected]d202a7c2012-01-04 07:53:47541void NavigationControllerImpl::RemoveEntryAtIndex(int index) {
[email protected]6a13a6c2011-12-20 21:47:12542 if (index == last_committed_entry_index_)
543 return;
544
[email protected]43032342011-03-21 14:10:31545 RemoveEntryAtIndexInternal(index);
[email protected]cbab76d2008-10-13 22:42:47546}
547
[email protected]d202a7c2012-01-04 07:53:47548void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23549 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32550 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31551 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51552 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
553 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32554 }
555}
556
[email protected]d202a7c2012-01-04 07:53:47557void NavigationControllerImpl::AddTransientEntry(NavigationEntryImpl* entry) {
[email protected]cbab76d2008-10-13 22:42:47558 // Discard any current transient entry, we can only have one at a time.
559 int index = 0;
560 if (last_committed_entry_index_ != -1)
561 index = last_committed_entry_index_ + 1;
562 DiscardTransientEntry();
[email protected]10f417c52011-12-28 21:04:23563 entries_.insert(
564 entries_.begin() + index, linked_ptr<NavigationEntryImpl>(entry));
[email protected]e1cd5452010-08-26 18:03:25565 transient_entry_index_ = index;
[email protected]2db9bd72012-04-13 20:20:56566 web_contents_->NotifyNavigationStateChanged(kInvalidateAll);
[email protected]cbab76d2008-10-13 22:42:47567}
568
[email protected]d202a7c2012-01-04 07:53:47569void NavigationControllerImpl::TransferURL(
[email protected]4ad5d77d2011-12-03 02:00:48570 const GURL& url,
[email protected]95dacd02011-12-05 10:35:26571 const content::Referrer& referrer,
[email protected]4ad5d77d2011-12-03 02:00:48572 content::PageTransition transition,
573 const std::string& extra_headers,
574 const GlobalRequestID& transferred_global_request_id,
575 bool is_renderer_initiated) {
576 // The user initiated a load, we don't need to reload anymore.
577 needs_reload_ = false;
578
[email protected]71fde352011-12-29 03:29:56579 NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
580 CreateNavigationEntry(
581 url, referrer, transition, is_renderer_initiated, extra_headers,
582 browser_context_));
[email protected]4ad5d77d2011-12-03 02:00:48583 entry->set_transferred_global_request_id(transferred_global_request_id);
584
585 LoadEntry(entry);
586}
587
[email protected]d202a7c2012-01-04 07:53:47588void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47589 const GURL& url,
[email protected]95dacd02011-12-05 10:35:26590 const content::Referrer& referrer,
[email protected]2905f742011-10-13 03:51:58591 content::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47592 const std::string& extra_headers) {
[email protected]8bf1048012012-02-08 01:22:18593 if (content::HandleDebugURL(url, transition))
594 return;
595
[email protected]bf70edce2012-06-20 22:32:22596 bool override = ShouldKeepOverride(GetLastCommittedEntry());
597 LoadURLWithUserAgentOverride(url, referrer, transition, false, extra_headers,
598 override);
[email protected]e47ae9472011-10-13 19:48:34599}
600
[email protected]d202a7c2012-01-04 07:53:47601void NavigationControllerImpl::LoadURLFromRenderer(
[email protected]e47ae9472011-10-13 19:48:34602 const GURL& url,
[email protected]95dacd02011-12-05 10:35:26603 const content::Referrer& referrer,
[email protected]e47ae9472011-10-13 19:48:34604 content::PageTransition transition,
605 const std::string& extra_headers) {
[email protected]bf70edce2012-06-20 22:32:22606 bool override = ShouldKeepOverride(GetLastCommittedEntry());
607 LoadURLWithUserAgentOverride(url, referrer, transition, true, extra_headers,
608 override);
609}
610
611void NavigationControllerImpl::LoadURLWithUserAgentOverride(
612 const GURL& url,
613 const content::Referrer& referrer,
614 content::PageTransition transition,
615 bool is_renderer_initiated,
616 const std::string& extra_headers,
617 bool is_overriding_user_agent) {
[email protected]e47ae9472011-10-13 19:48:34618 // The user initiated a load, we don't need to reload anymore.
619 needs_reload_ = false;
620
[email protected]71fde352011-12-29 03:29:56621 NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
622 CreateNavigationEntry(
[email protected]bf70edce2012-06-20 22:32:22623 url, referrer, transition, is_renderer_initiated, extra_headers,
624 browser_context_));
625 entry->SetIsOverridingUserAgent(is_overriding_user_agent);
initial.commit09911bf2008-07-26 23:55:29626
627 LoadEntry(entry);
628}
629
[email protected]d1ef81d2012-07-24 11:39:36630void NavigationControllerImpl::LoadDataWithBaseURL(
631 const GURL& data_url,
632 const content::Referrer& referrer,
633 const GURL& base_url,
634 const GURL& history_url,
635 bool is_overriding_user_agent) {
636 // Make sure we don't allow non-'data:' URLs.
637 if (!data_url.SchemeIs(chrome::kDataScheme)) {
638 NOTREACHED();
639 return;
640 }
641
642 needs_reload_ = false;
643
644 NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
645 CreateNavigationEntry(
646 data_url,
647 referrer,
648 content::PAGE_TRANSITION_TYPED,
649 false,
650 std::string(),
651 browser_context_));
652 entry->SetIsOverridingUserAgent(is_overriding_user_agent);
653 entry->SetBaseURLForDataURL(base_url);
654 entry->SetVirtualURL(history_url);
655
656 LoadEntry(entry);
657}
658
[email protected]132e281a2012-07-31 18:32:44659void NavigationControllerImpl::PostURL(
660 const GURL& url,
661 const content::Referrer& referrer,
662 const base::RefCountedMemory& http_body,
663 bool is_overriding_user_agent) {
664 // Must be http scheme for a post request.
665 if (!url.SchemeIs(chrome::kHttpScheme) &&
666 !url.SchemeIs(chrome::kHttpsScheme)) {
667 NOTREACHED();
668 return;
669 }
670
671 needs_reload_ = false;
672
673 NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
674 CreateNavigationEntry(
675 url,
676 referrer,
677 content::PAGE_TRANSITION_TYPED,
678 false,
679 std::string(),
680 browser_context_));
681 entry->SetIsOverridingUserAgent(is_overriding_user_agent);
682 entry->SetHasPostData(true);
683 entry->SetBrowserInitiatedPostData(&http_body);
684
685 LoadEntry(entry);
686}
687
[email protected]d202a7c2012-01-04 07:53:47688void NavigationControllerImpl::DocumentLoadedInFrame() {
[email protected]09b8f82f2009-06-16 20:22:11689 last_document_loaded_ = base::TimeTicks::Now();
690}
691
[email protected]d202a7c2012-01-04 07:53:47692bool NavigationControllerImpl::RendererDidNavigate(
[email protected]e9ba4472008-09-14 15:42:43693 const ViewHostMsg_FrameNavigate_Params& params,
[email protected]8286f51a2011-05-31 17:39:13694 content::LoadCommittedDetails* details) {
[email protected]4bf3522c2010-08-19 21:00:20695
[email protected]0e8db942008-09-24 21:21:48696 // Save the previous state before we clobber it.
697 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51698 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55699 details->previous_entry_index = GetLastCommittedEntryIndex();
[email protected]0e8db942008-09-24 21:21:48700 } else {
701 details->previous_url = GURL();
702 details->previous_entry_index = -1;
703 }
[email protected]ecd9d8702008-08-28 22:10:17704
[email protected]77362eb2011-08-01 17:18:38705 // If we have a pending entry at this point, it should have a SiteInstance.
706 // Restored entries start out with a null SiteInstance, but we should have
707 // assigned one in NavigateToPendingEntry.
708 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance());
[email protected]e9ba4472008-09-14 15:42:43709
[email protected]bcd904482012-02-01 01:54:22710 // If we are doing a cross-site reload, we need to replace the existing
711 // navigation entry, not add another entry to the history. This has the side
712 // effect of removing forward browsing history, if such existed.
713 if (pending_entry_ != NULL) {
714 details->did_replace_entry = pending_entry_->is_cross_site_reload();
715 }
716
[email protected]192d8c5e2010-02-23 07:26:32717 // is_in_page must be computed before the entry gets committed.
718 details->is_in_page = IsURLInPageNavigation(params.url);
719
[email protected]e9ba4472008-09-14 15:42:43720 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]0e8db942008-09-24 21:21:48721 details->type = ClassifyNavigation(params);
[email protected]4bf3522c2010-08-19 21:00:20722
[email protected]0e8db942008-09-24 21:21:48723 switch (details->type) {
[email protected]610cbb82011-10-18 16:35:08724 case content::NAVIGATION_TYPE_NEW_PAGE:
[email protected]befd8d822009-07-01 04:51:47725 RendererDidNavigateToNewPage(params, &(details->did_replace_entry));
[email protected]e9ba4472008-09-14 15:42:43726 break;
[email protected]610cbb82011-10-18 16:35:08727 case content::NAVIGATION_TYPE_EXISTING_PAGE:
[email protected]e9ba4472008-09-14 15:42:43728 RendererDidNavigateToExistingPage(params);
729 break;
[email protected]610cbb82011-10-18 16:35:08730 case content::NAVIGATION_TYPE_SAME_PAGE:
[email protected]e9ba4472008-09-14 15:42:43731 RendererDidNavigateToSamePage(params);
732 break;
[email protected]610cbb82011-10-18 16:35:08733 case content::NAVIGATION_TYPE_IN_PAGE:
[email protected]befd8d822009-07-01 04:51:47734 RendererDidNavigateInPage(params, &(details->did_replace_entry));
[email protected]e9ba4472008-09-14 15:42:43735 break;
[email protected]610cbb82011-10-18 16:35:08736 case content::NAVIGATION_TYPE_NEW_SUBFRAME:
[email protected]e9ba4472008-09-14 15:42:43737 RendererDidNavigateNewSubframe(params);
738 break;
[email protected]610cbb82011-10-18 16:35:08739 case content::NAVIGATION_TYPE_AUTO_SUBFRAME:
[email protected]e9ba4472008-09-14 15:42:43740 if (!RendererDidNavigateAutoSubframe(params))
741 return false;
742 break;
[email protected]610cbb82011-10-18 16:35:08743 case content::NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:49744 // If a pending navigation was in progress, this canceled it. We should
745 // discard it and make sure it is removed from the URL bar. After that,
746 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:43747 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:49748 if (pending_entry_) {
749 DiscardNonCommittedEntries();
[email protected]2db9bd72012-04-13 20:20:56750 web_contents_->NotifyNavigationStateChanged(
[email protected]d9083482012-01-06 00:38:46751 content::INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:49752 }
[email protected]e9ba4472008-09-14 15:42:43753 return false;
754 default:
755 NOTREACHED();
[email protected]765b35502008-08-21 00:51:20756 }
757
[email protected]e9ba4472008-09-14 15:42:43758 // All committed entries should have nonempty content state so WebKit doesn't
759 // get confused when we go back to them (see the function for details).
[email protected]0f38dc4552011-02-25 11:24:00760 DCHECK(!params.content_state.empty());
[email protected]10f417c52011-12-28 21:04:23761 NavigationEntryImpl* active_entry =
762 NavigationEntryImpl::FromNavigationEntry(GetActiveEntry());
[email protected]36fc0392011-12-25 03:59:51763 active_entry->SetContentState(params.content_state);
[email protected]132e281a2012-07-31 18:32:44764 // No longer needed since content state will hold the post data if any.
765 active_entry->SetBrowserInitiatedPostData(NULL);
766
[email protected]765b35502008-08-21 00:51:20767
[email protected]e47ae9472011-10-13 19:48:34768 // Once committed, we do not need to track if the entry was initiated by
769 // the renderer.
770 active_entry->set_is_renderer_initiated(false);
771
[email protected]49bd30e62011-03-22 20:12:59772 // The active entry's SiteInstance should match our SiteInstance.
[email protected]2db9bd72012-04-13 20:20:56773 DCHECK(active_entry->site_instance() == web_contents_->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:59774
[email protected]e9ba4472008-09-14 15:42:43775 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:00776 details->entry = active_entry;
[email protected]2905f742011-10-13 03:51:58777 details->is_main_frame =
778 content::PageTransitionIsMainFrame(params.transition);
[email protected]f072d2ce2008-09-17 17:16:24779 details->serialized_security_info = params.security_info;
[email protected]2e39d2e2009-02-19 18:41:31780 details->http_status_code = params.http_status_code;
[email protected]93f230e02011-06-01 14:40:00781 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:29782
[email protected]e9ba4472008-09-14 15:42:43783 return true;
initial.commit09911bf2008-07-26 23:55:29784}
785
[email protected]d202a7c2012-01-04 07:53:47786content::NavigationType NavigationControllerImpl::ClassifyNavigation(
[email protected]e9ba4472008-09-14 15:42:43787 const ViewHostMsg_FrameNavigate_Params& params) const {
[email protected]e9ba4472008-09-14 15:42:43788 if (params.page_id == -1) {
[email protected]eef9de32009-09-23 17:19:46789 // The renderer generates the page IDs, and so if it gives us the invalid
790 // page ID (-1) we know it didn't actually navigate. This happens in a few
791 // cases:
792 //
793 // - If a page makes a popup navigated to about blank, and then writes
794 // stuff like a subframe navigated to a real page. We'll get the commit
795 // for the subframe, but there won't be any commit for the outer page.
796 //
797 // - We were also getting these for failed loads (for example, bug 21849).
798 // The guess is that we get a "load commit" for the alternate error page,
799 // but that doesn't affect the page ID, so we get the "old" one, which
800 // could be invalid. This can also happen for a cross-site transition
801 // that causes us to swap processes. Then the error page load will be in
802 // a new process with no page IDs ever assigned (and hence a -1 value),
803 // yet the navigation controller still might have previous pages in its
804 // list.
805 //
806 // In these cases, there's nothing we can do with them, so ignore.
[email protected]610cbb82011-10-18 16:35:08807 return content::NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:43808 }
809
[email protected]2db9bd72012-04-13 20:20:56810 if (params.page_id > web_contents_->GetMaxPageID()) {
[email protected]e9ba4472008-09-14 15:42:43811 // Greater page IDs than we've ever seen before are new pages. We may or may
812 // not have a pending entry for the page, and this may or may not be the
813 // main frame.
[email protected]2905f742011-10-13 03:51:58814 if (content::PageTransitionIsMainFrame(params.transition))
[email protected]610cbb82011-10-18 16:35:08815 return content::NAVIGATION_TYPE_NEW_PAGE;
[email protected]4c27ba82008-09-24 16:49:09816
817 // When this is a new subframe navigation, we should have a committed page
818 // for which it's a suframe in. This may not be the case when an iframe is
819 // navigated on a popup navigated to about:blank (the iframe would be
820 // written into the popup by script on the main page). For these cases,
821 // there isn't any navigation stuff we can do, so just ignore it.
822 if (!GetLastCommittedEntry())
[email protected]610cbb82011-10-18 16:35:08823 return content::NAVIGATION_TYPE_NAV_IGNORE;
[email protected]4c27ba82008-09-24 16:49:09824
825 // Valid subframe navigation.
[email protected]610cbb82011-10-18 16:35:08826 return content::NAVIGATION_TYPE_NEW_SUBFRAME;
[email protected]e9ba4472008-09-14 15:42:43827 }
828
829 // Now we know that the notification is for an existing page. Find that entry.
830 int existing_entry_index = GetEntryIndexWithPageID(
[email protected]2db9bd72012-04-13 20:20:56831 web_contents_->GetSiteInstance(),
[email protected]e9ba4472008-09-14 15:42:43832 params.page_id);
833 if (existing_entry_index == -1) {
834 // The page was not found. It could have been pruned because of the limit on
835 // back/forward entries (not likely since we'll usually tell it to navigate
836 // to such entries). It could also mean that the renderer is smoking crack.
837 NOTREACHED();
[email protected]485e8232011-07-24 18:03:46838
839 // Because the unknown entry has committed, we risk showing the wrong URL in
840 // release builds. Instead, we'll kill the renderer process to be safe.
841 LOG(ERROR) << "terminating renderer for bad navigation: " << params.url;
[email protected]7f6f44c2011-12-14 13:23:38842 content::RecordAction(UserMetricsAction("BadMessageTerminate_NC"));
[email protected]b69934e2011-10-29 02:51:52843
[email protected]7ec6f382011-11-11 01:28:17844 // Temporary code so we can get more information. Format:
[email protected]8c380582011-12-02 03:16:10845 // http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2
846 std::string temp = params.url.spec();
[email protected]7ec6f382011-11-11 01:28:17847 temp.append("#page");
[email protected]b69934e2011-10-29 02:51:52848 temp.append(base::IntToString(params.page_id));
[email protected]7ec6f382011-11-11 01:28:17849 temp.append("#max");
[email protected]2db9bd72012-04-13 20:20:56850 temp.append(base::IntToString(web_contents_->GetMaxPageID()));
[email protected]7ec6f382011-11-11 01:28:17851 temp.append("#frame");
852 temp.append(base::IntToString(params.frame_id));
853 temp.append("#ids");
854 for (int i = 0; i < static_cast<int>(entries_.size()); ++i) {
[email protected]8c380582011-12-02 03:16:10855 // Append entry metadata (e.g., 3_7x):
856 // 3: page_id
857 // 7: SiteInstance ID, or N for null
858 // x: appended if not from the current SiteInstance
[email protected]36fc0392011-12-25 03:59:51859 temp.append(base::IntToString(entries_[i]->GetPageID()));
[email protected]8c380582011-12-02 03:16:10860 temp.append("_");
861 if (entries_[i]->site_instance())
[email protected]b6583592012-01-25 19:52:33862 temp.append(base::IntToString(entries_[i]->site_instance()->GetId()));
[email protected]7ec6f382011-11-11 01:28:17863 else
[email protected]8c380582011-12-02 03:16:10864 temp.append("N");
[email protected]2db9bd72012-04-13 20:20:56865 if (entries_[i]->site_instance() != web_contents_->GetSiteInstance())
[email protected]7ec6f382011-11-11 01:28:17866 temp.append("x");
867 temp.append(",");
[email protected]b69934e2011-10-29 02:51:52868 }
869 GURL url(temp);
[email protected]9f76c1e2012-03-05 15:15:58870 static_cast<RenderViewHostImpl*>(
[email protected]2db9bd72012-04-13 20:20:56871 web_contents_->GetRenderViewHost())->Send(
[email protected]9f76c1e2012-03-05 15:15:58872 new ViewMsg_TempCrashWithData(url));
[email protected]b69934e2011-10-29 02:51:52873 return content::NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:43874 }
[email protected]10f417c52011-12-28 21:04:23875 NavigationEntryImpl* existing_entry = entries_[existing_entry_index].get();
[email protected]e9ba4472008-09-14 15:42:43876
[email protected]2905f742011-10-13 03:51:58877 if (!content::PageTransitionIsMainFrame(params.transition)) {
[email protected]e6035c22010-05-25 16:15:52878 // All manual subframes would get new IDs and were handled above, so we
879 // know this is auto. Since the current page was found in the navigation
880 // entry list, we're guaranteed to have a last committed entry.
881 DCHECK(GetLastCommittedEntry());
[email protected]610cbb82011-10-18 16:35:08882 return content::NAVIGATION_TYPE_AUTO_SUBFRAME;
[email protected]e6035c22010-05-25 16:15:52883 }
884
885 // Anything below here we know is a main frame navigation.
[email protected]e9ba4472008-09-14 15:42:43886 if (pending_entry_ &&
[email protected]e9ba4472008-09-14 15:42:43887 existing_entry != pending_entry_ &&
[email protected]36fc0392011-12-25 03:59:51888 pending_entry_->GetPageID() == -1 &&
[email protected]230c0012011-04-08 16:27:24889 existing_entry == GetLastCommittedEntry()) {
[email protected]e9ba4472008-09-14 15:42:43890 // In this case, we have a pending entry for a URL but WebCore didn't do a
891 // new navigation. This happens when you press enter in the URL bar to
892 // reload. We will create a pending entry, but WebKit will convert it to
893 // a reload since it's the same page and not create a new entry for it
894 // (the user doesn't want to have a new back/forward entry when they do
[email protected]230c0012011-04-08 16:27:24895 // this). If this matches the last committed entry, we want to just ignore
896 // the pending entry and go back to where we were (the "existing entry").
[email protected]610cbb82011-10-18 16:35:08897 return content::NAVIGATION_TYPE_SAME_PAGE;
[email protected]e9ba4472008-09-14 15:42:43898 }
899
[email protected]fc60f222008-12-18 17:36:54900 // Any toplevel navigations with the same base (minus the reference fragment)
901 // are in-page navigations. We weeded out subframe navigations above. Most of
902 // the time this doesn't matter since WebKit doesn't tell us about subframe
903 // navigations that don't actually navigate, but it can happen when there is
904 // an encoding override (it always sends a navigation request).
[email protected]36fc0392011-12-25 03:59:51905 if (AreURLsInPageNavigation(existing_entry->GetURL(), params.url))
[email protected]610cbb82011-10-18 16:35:08906 return content::NAVIGATION_TYPE_IN_PAGE;
[email protected]fc60f222008-12-18 17:36:54907
[email protected]e9ba4472008-09-14 15:42:43908 // Since we weeded out "new" navigations above, we know this is an existing
[email protected]4c27ba82008-09-24 16:49:09909 // (back/forward) navigation.
[email protected]610cbb82011-10-18 16:35:08910 return content::NAVIGATION_TYPE_EXISTING_PAGE;
[email protected]e9ba4472008-09-14 15:42:43911}
912
[email protected]d202a7c2012-01-04 07:53:47913bool NavigationControllerImpl::IsRedirect(
[email protected]09b8f82f2009-06-16 20:22:11914 const ViewHostMsg_FrameNavigate_Params& params) {
915 // For main frame transition, we judge by params.transition.
916 // Otherwise, by params.redirects.
[email protected]2905f742011-10-13 03:51:58917 if (content::PageTransitionIsMainFrame(params.transition)) {
918 return content::PageTransitionIsRedirect(params.transition);
[email protected]09b8f82f2009-06-16 20:22:11919 }
920 return params.redirects.size() > 1;
921}
922
[email protected]d202a7c2012-01-04 07:53:47923void NavigationControllerImpl::RendererDidNavigateToNewPage(
[email protected]befd8d822009-07-01 04:51:47924 const ViewHostMsg_FrameNavigate_Params& params, bool* did_replace_entry) {
[email protected]10f417c52011-12-28 21:04:23925 NavigationEntryImpl* new_entry;
[email protected]f1eb87a2011-05-06 17:49:41926 bool update_virtual_url;
[email protected]e9ba4472008-09-14 15:42:43927 if (pending_entry_) {
928 // TODO(brettw) this assumes that the pending entry is appropriate for the
929 // new page that was just loaded. I don't think this is necessarily the
[email protected]49bd30e62011-03-22 20:12:59930 // case! We should have some more tracking to know for sure.
[email protected]10f417c52011-12-28 21:04:23931 new_entry = new NavigationEntryImpl(*pending_entry_);
[email protected]e9ba4472008-09-14 15:42:43932
933 // Don't use the page type from the pending entry. Some interstitial page
934 // may have set the type to interstitial. Once we commit, however, the page
935 // type must always be normal.
[email protected]66fdbd52011-10-18 17:08:53936 new_entry->set_page_type(content::PAGE_TYPE_NORMAL);
[email protected]f1eb87a2011-05-06 17:49:41937 update_virtual_url = new_entry->update_virtual_url_with_url();
[email protected]e9ba4472008-09-14 15:42:43938 } else {
[email protected]10f417c52011-12-28 21:04:23939 new_entry = new NavigationEntryImpl;
[email protected]f1eb87a2011-05-06 17:49:41940 // When navigating to a new page, give the browser URL handler a chance to
941 // update the virtual URL based on the new URL. For example, this is needed
942 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
943 // the URL.
944 update_virtual_url = true;
[email protected]e9ba4472008-09-14 15:42:43945 }
946
[email protected]ad23a092011-12-28 07:02:04947 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:41948 if (update_virtual_url)
[email protected]38178a42009-12-17 18:58:32949 UpdateVirtualURLToURL(new_entry, params.url);
[email protected]022af742011-12-28 18:37:25950 new_entry->SetReferrer(params.referrer);
[email protected]36fc0392011-12-25 03:59:51951 new_entry->SetPageID(params.page_id);
[email protected]022af742011-12-28 18:37:25952 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:33953 new_entry->set_site_instance(
[email protected]2db9bd72012-04-13 20:20:56954 static_cast<SiteInstanceImpl*>(web_contents_->GetSiteInstance()));
[email protected]36fc0392011-12-25 03:59:51955 new_entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:05956 new_entry->SetPostID(params.post_id);
[email protected]7c16976c2012-08-04 02:38:23957 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:22958 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:43959
[email protected]befd8d822009-07-01 04:51:47960 InsertOrReplaceEntry(new_entry, *did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43961}
962
[email protected]d202a7c2012-01-04 07:53:47963void NavigationControllerImpl::RendererDidNavigateToExistingPage(
[email protected]e9ba4472008-09-14 15:42:43964 const ViewHostMsg_FrameNavigate_Params& params) {
965 // We should only get here for main frame navigations.
[email protected]2905f742011-10-13 03:51:58966 DCHECK(content::PageTransitionIsMainFrame(params.transition));
[email protected]e9ba4472008-09-14 15:42:43967
968 // This is a back/forward navigation. The existing page for the ID is
[email protected]4c27ba82008-09-24 16:49:09969 // guaranteed to exist by ClassifyNavigation, and we just need to update it
970 // with new information from the renderer.
[email protected]2db9bd72012-04-13 20:20:56971 int entry_index = GetEntryIndexWithPageID(web_contents_->GetSiteInstance(),
[email protected]7f0005a2009-04-15 03:25:11972 params.page_id);
[email protected]e9ba4472008-09-14 15:42:43973 DCHECK(entry_index >= 0 &&
974 entry_index < static_cast<int>(entries_.size()));
[email protected]10f417c52011-12-28 21:04:23975 NavigationEntryImpl* entry = entries_[entry_index].get();
[email protected]e9ba4472008-09-14 15:42:43976
977 // The URL may have changed due to redirects. The site instance will normally
978 // be the same except during session restore, when no site instance will be
979 // assigned.
[email protected]ad23a092011-12-28 07:02:04980 entry->SetURL(params.url);
[email protected]38178a42009-12-17 18:58:32981 if (entry->update_virtual_url_with_url())
982 UpdateVirtualURLToURL(entry, params.url);
[email protected]e9ba4472008-09-14 15:42:43983 DCHECK(entry->site_instance() == NULL ||
[email protected]2db9bd72012-04-13 20:20:56984 entry->site_instance() == web_contents_->GetSiteInstance());
[email protected]b6583592012-01-25 19:52:33985 entry->set_site_instance(
[email protected]2db9bd72012-04-13 20:20:56986 static_cast<SiteInstanceImpl*>(web_contents_->GetSiteInstance()));
[email protected]e9ba4472008-09-14 15:42:43987
[email protected]36fc0392011-12-25 03:59:51988 entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:05989 entry->SetPostID(params.post_id);
[email protected]d5a49e52010-01-08 03:01:41990
[email protected]e9ba4472008-09-14 15:42:43991 // The entry we found in the list might be pending if the user hit
992 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:59993 // list, we can just discard the pending pointer). We should also discard the
994 // pending entry if it corresponds to a different navigation, since that one
995 // is now likely canceled. If it is not canceled, we will treat it as a new
996 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:43997 //
998 // Note that we need to use the "internal" version since we don't want to
999 // actually change any other state, just kill the pointer.
[email protected]49bd30e62011-03-22 20:12:591000 if (pending_entry_)
[email protected]cbab76d2008-10-13 22:42:471001 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391002
[email protected]80858db52009-10-15 00:35:181003 // If a transient entry was removed, the indices might have changed, so we
1004 // have to query the entry index again.
1005 last_committed_entry_index_ =
[email protected]2db9bd72012-04-13 20:20:561006 GetEntryIndexWithPageID(web_contents_->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431007}
1008
[email protected]d202a7c2012-01-04 07:53:471009void NavigationControllerImpl::RendererDidNavigateToSamePage(
[email protected]e9ba4472008-09-14 15:42:431010 const ViewHostMsg_FrameNavigate_Params& params) {
1011 // This mode implies we have a pending entry that's the same as an existing
[email protected]4c27ba82008-09-24 16:49:091012 // entry for this page ID. This entry is guaranteed to exist by
1013 // ClassifyNavigation. All we need to do is update the existing entry.
[email protected]10f417c52011-12-28 21:04:231014 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]2db9bd72012-04-13 20:20:561015 web_contents_->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431016
1017 // We assign the entry's unique ID to be that of the new one. Since this is
1018 // always the result of a user action, we want to dismiss infobars, etc. like
1019 // a regular user-initiated navigation.
[email protected]36fc0392011-12-25 03:59:511020 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431021
[email protected]a0e69262009-06-03 19:08:481022 // The URL may have changed due to redirects.
[email protected]38178a42009-12-17 18:58:321023 if (existing_entry->update_virtual_url_with_url())
1024 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041025 existing_entry->SetURL(params.url);
[email protected]a0e69262009-06-03 19:08:481026
[email protected]cbab76d2008-10-13 22:42:471027 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431028}
1029
[email protected]d202a7c2012-01-04 07:53:471030void NavigationControllerImpl::RendererDidNavigateInPage(
[email protected]befd8d822009-07-01 04:51:471031 const ViewHostMsg_FrameNavigate_Params& params, bool* did_replace_entry) {
[email protected]2905f742011-10-13 03:51:581032 DCHECK(content::PageTransitionIsMainFrame(params.transition)) <<
[email protected]e9ba4472008-09-14 15:42:431033 "WebKit should only tell us about in-page navs for the main frame.";
1034 // We're guaranteed to have an entry for this one.
[email protected]10f417c52011-12-28 21:04:231035 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]2db9bd72012-04-13 20:20:561036 web_contents_->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431037
1038 // Reference fragment navigation. We're guaranteed to have the last_committed
1039 // entry and it will be the same page as the new navigation (minus the
[email protected]d466b8a2011-07-15 21:48:031040 // reference fragments, of course). We'll update the URL of the existing
1041 // entry without pruning the forward history.
[email protected]ad23a092011-12-28 07:02:041042 existing_entry->SetURL(params.url);
[email protected]d466b8a2011-07-15 21:48:031043 if (existing_entry->update_virtual_url_with_url())
1044 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ccbe04e2010-03-17 17:58:431045
1046 // This replaces the existing entry since the page ID didn't change.
1047 *did_replace_entry = true;
[email protected]d466b8a2011-07-15 21:48:031048
1049 if (pending_entry_)
1050 DiscardNonCommittedEntriesInternal();
1051
1052 // If a transient entry was removed, the indices might have changed, so we
1053 // have to query the entry index again.
1054 last_committed_entry_index_ =
[email protected]2db9bd72012-04-13 20:20:561055 GetEntryIndexWithPageID(web_contents_->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431056}
1057
[email protected]d202a7c2012-01-04 07:53:471058void NavigationControllerImpl::RendererDidNavigateNewSubframe(
[email protected]e9ba4472008-09-14 15:42:431059 const ViewHostMsg_FrameNavigate_Params& params) {
[email protected]2905f742011-10-13 03:51:581060 if (content::PageTransitionStripQualifier(params.transition) ==
1061 content::PAGE_TRANSITION_AUTO_SUBFRAME) {
[email protected]09b8f82f2009-06-16 20:22:111062 // This is not user-initiated. Ignore.
1063 return;
1064 }
[email protected]09b8f82f2009-06-16 20:22:111065
[email protected]e9ba4472008-09-14 15:42:431066 // Manual subframe navigations just get the current entry cloned so the user
1067 // can go back or forward to it. The actual subframe information will be
1068 // stored in the page state for each of those entries. This happens out of
1069 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091070 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1071 << "that a last committed entry exists.";
[email protected]10f417c52011-12-28 21:04:231072 NavigationEntryImpl* new_entry = new NavigationEntryImpl(
1073 *NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()));
[email protected]36fc0392011-12-25 03:59:511074 new_entry->SetPageID(params.page_id);
[email protected]672eba292009-05-13 13:22:451075 InsertOrReplaceEntry(new_entry, false);
[email protected]e9ba4472008-09-14 15:42:431076}
1077
[email protected]d202a7c2012-01-04 07:53:471078bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
[email protected]e9ba4472008-09-14 15:42:431079 const ViewHostMsg_FrameNavigate_Params& params) {
1080 // We're guaranteed to have a previously committed entry, and we now need to
1081 // handle navigation inside of a subframe in it without creating a new entry.
1082 DCHECK(GetLastCommittedEntry());
1083
1084 // Handle the case where we're navigating back/forward to a previous subframe
1085 // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the
1086 // header file. In case "1." this will be a NOP.
1087 int entry_index = GetEntryIndexWithPageID(
[email protected]2db9bd72012-04-13 20:20:561088 web_contents_->GetSiteInstance(),
[email protected]e9ba4472008-09-14 15:42:431089 params.page_id);
1090 if (entry_index < 0 ||
1091 entry_index >= static_cast<int>(entries_.size())) {
1092 NOTREACHED();
1093 return false;
1094 }
1095
1096 // Update the current navigation entry in case we're going back/forward.
1097 if (entry_index != last_committed_entry_index_) {
[email protected]e9ba4472008-09-14 15:42:431098 last_committed_entry_index_ = entry_index;
[email protected]e9ba4472008-09-14 15:42:431099 return true;
1100 }
1101 return false;
1102}
1103
[email protected]d202a7c2012-01-04 07:53:471104int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231105 const NavigationEntryImpl* entry) const {
[email protected]765b35502008-08-21 00:51:201106 const NavigationEntries::const_iterator i(std::find(
1107 entries_.begin(),
1108 entries_.end(),
1109 entry));
1110 return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin());
1111}
1112
[email protected]d202a7c2012-01-04 07:53:471113bool NavigationControllerImpl::IsURLInPageNavigation(const GURL& url) const {
[email protected]10f417c52011-12-28 21:04:231114 NavigationEntry* last_committed = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431115 if (!last_committed)
1116 return false;
[email protected]36fc0392011-12-25 03:59:511117 return AreURLsInPageNavigation(last_committed->GetURL(), url);
[email protected]e9ba4472008-09-14 15:42:431118}
1119
[email protected]d202a7c2012-01-04 07:53:471120void NavigationControllerImpl::CopyStateFrom(
[email protected]c5eed492012-01-04 17:07:501121 const NavigationController& temp) {
[email protected]d202a7c2012-01-04 07:53:471122 const NavigationControllerImpl& source =
1123 static_cast<const NavigationControllerImpl&>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571124 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551125 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571126
[email protected]a26023822011-12-29 00:23:551127 if (source.GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571128 return; // Nothing new to do.
1129
1130 needs_reload_ = true;
[email protected]a26023822011-12-29 00:23:551131 InsertEntriesFrom(source, source.GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571132
[email protected]6ee12c42010-09-14 09:36:071133 session_storage_namespace_ = source.session_storage_namespace_->Clone();
[email protected]4e6419c2010-01-15 04:50:341134
[email protected]5e369672009-11-03 23:48:301135 FinishRestore(source.last_committed_entry_index_, false);
[email protected]91854cd2012-01-10 19:43:571136
1137 // Copy the max page id map from the old tab to the new tab. This ensures
1138 // that new and existing navigations in the tab's current SiteInstances
1139 // are identified properly.
[email protected]2db9bd72012-04-13 20:20:561140 web_contents_->CopyMaxPageIDsFrom(source.web_contents());
[email protected]ce3fa3c2009-04-20 19:55:571141}
1142
[email protected]d202a7c2012-01-04 07:53:471143void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]c5eed492012-01-04 17:07:501144 NavigationController* temp) {
[email protected]d202a7c2012-01-04 07:53:471145 NavigationControllerImpl* source =
1146 static_cast<NavigationControllerImpl*>(temp);
[email protected]9e1ad4b2011-08-14 16:49:191147 // The SiteInstance and page_id of the last committed entry needs to be
1148 // remembered at this point, in case there is only one committed entry
[email protected]91854cd2012-01-10 19:43:571149 // and it is pruned. We use a scoped_refptr to ensure the SiteInstance
1150 // can't be freed during this time period.
[email protected]10f417c52011-12-28 21:04:231151 NavigationEntryImpl* last_committed =
1152 NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry());
[email protected]91854cd2012-01-10 19:43:571153 scoped_refptr<SiteInstance> site_instance(
1154 last_committed ? last_committed->site_instance() : NULL);
[email protected]36fc0392011-12-25 03:59:511155 int32 minimum_page_id = last_committed ? last_committed->GetPageID() : -1;
[email protected]91854cd2012-01-10 19:43:571156 int32 max_page_id = last_committed ?
[email protected]2db9bd72012-04-13 20:20:561157 web_contents_->GetMaxPageIDForSiteInstance(site_instance.get()) : -1;
[email protected]9e1ad4b2011-08-14 16:49:191158
[email protected]e1cd5452010-08-26 18:03:251159 // This code is intended for use when the last entry is the active entry.
[email protected]a26023822011-12-29 00:23:551160 DCHECK(
1161 (transient_entry_index_ != -1 &&
[email protected]91854cd2012-01-10 19:43:571162 transient_entry_index_ == GetEntryCount() - 1) ||
[email protected]a26023822011-12-29 00:23:551163 (pending_entry_ && (pending_entry_index_ == -1 ||
1164 pending_entry_index_ == GetEntryCount() - 1)) ||
1165 (!pending_entry_ && last_committed_entry_index_ == GetEntryCount() - 1));
[email protected]e1cd5452010-08-26 18:03:251166
1167 // Remove all the entries leaving the active entry.
1168 PruneAllButActive();
1169
[email protected]944822b2012-03-02 20:57:251170 // We now have zero or one entries. Ensure that adding the entries from
1171 // source won't put us over the limit.
1172 DCHECK(GetEntryCount() == 0 || GetEntryCount() == 1);
1173 if (GetEntryCount() > 0)
1174 source->PruneOldestEntryIfFull();
1175
[email protected]47e020a2010-10-15 14:43:371176 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
[email protected]e1cd5452010-08-26 18:03:251177 // we don't want to copy over the transient entry.
[email protected]47e020a2010-10-15 14:43:371178 int max_source_index = source->pending_entry_index_ != -1 ?
1179 source->pending_entry_index_ : source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251180 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551181 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251182 else
1183 max_source_index++;
[email protected]47e020a2010-10-15 14:43:371184 InsertEntriesFrom(*source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251185
1186 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551187 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]e1cd5452010-08-26 18:03:251188 if (pending_entry_index_ != -1)
[email protected]a26023822011-12-29 00:23:551189 pending_entry_index_ = GetEntryCount() - 1;
[email protected]e1cd5452010-08-26 18:03:251190 if (transient_entry_index_ != -1) {
1191 // There's a transient entry. In this case we want the last committed to
1192 // point to the previous entry.
[email protected]a26023822011-12-29 00:23:551193 transient_entry_index_ = GetEntryCount() - 1;
[email protected]e1cd5452010-08-26 18:03:251194 if (last_committed_entry_index_ != -1)
1195 last_committed_entry_index_--;
1196 }
[email protected]796931a92011-08-10 01:32:141197
[email protected]2db9bd72012-04-13 20:20:561198 web_contents_->SetHistoryLengthAndPrune(site_instance.get(),
[email protected]9e1ad4b2011-08-14 16:49:191199 max_source_index,
1200 minimum_page_id);
[email protected]91854cd2012-01-10 19:43:571201
1202 // Copy the max page id map from the old tab to the new tab. This ensures
1203 // that new and existing navigations in the tab's current SiteInstances
1204 // are identified properly.
[email protected]2db9bd72012-04-13 20:20:561205 web_contents_->CopyMaxPageIDsFrom(source->web_contents());
[email protected]91854cd2012-01-10 19:43:571206
1207 // If there is a last committed entry, be sure to include it in the new
1208 // max page ID map.
1209 if (max_page_id > -1) {
[email protected]2db9bd72012-04-13 20:20:561210 web_contents_->UpdateMaxPageIDForSiteInstance(site_instance.get(),
[email protected]91854cd2012-01-10 19:43:571211 max_page_id);
1212 }
[email protected]e1cd5452010-08-26 18:03:251213}
1214
[email protected]d202a7c2012-01-04 07:53:471215void NavigationControllerImpl::PruneAllButActive() {
[email protected]97b6c4f2010-09-27 19:31:261216 if (transient_entry_index_ != -1) {
1217 // There is a transient entry. Prune up to it.
[email protected]a26023822011-12-29 00:23:551218 DCHECK_EQ(GetEntryCount() - 1, transient_entry_index_);
[email protected]77d8d622010-12-15 10:30:121219 entries_.erase(entries_.begin(), entries_.begin() + transient_entry_index_);
[email protected]97b6c4f2010-09-27 19:31:261220 transient_entry_index_ = 0;
1221 last_committed_entry_index_ = -1;
1222 pending_entry_index_ = -1;
1223 } else if (!pending_entry_) {
1224 // There's no pending entry. Leave the last entry (if there is one).
[email protected]a26023822011-12-29 00:23:551225 if (!GetEntryCount())
[email protected]97b6c4f2010-09-27 19:31:261226 return;
1227
[email protected]77d8d622010-12-15 10:30:121228 DCHECK(last_committed_entry_index_ >= 0);
1229 entries_.erase(entries_.begin(),
1230 entries_.begin() + last_committed_entry_index_);
1231 entries_.erase(entries_.begin() + 1, entries_.end());
[email protected]97b6c4f2010-09-27 19:31:261232 last_committed_entry_index_ = 0;
1233 } else if (pending_entry_index_ != -1) {
[email protected]77d8d622010-12-15 10:30:121234 entries_.erase(entries_.begin(), entries_.begin() + pending_entry_index_);
1235 entries_.erase(entries_.begin() + 1, entries_.end());
[email protected]97b6c4f2010-09-27 19:31:261236 pending_entry_index_ = 0;
1237 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261238 } else {
1239 // There is a pending_entry, but it's not in entries_.
1240 pending_entry_index_ = -1;
1241 last_committed_entry_index_ = -1;
[email protected]77d8d622010-12-15 10:30:121242 entries_.clear();
[email protected]97b6c4f2010-09-27 19:31:261243 }
1244
[email protected]2db9bd72012-04-13 20:20:561245 if (web_contents_->GetInterstitialPage()) {
[email protected]97b6c4f2010-09-27 19:31:261246 // Normally the interstitial page hides itself if the user doesn't proceeed.
1247 // This would result in showing a NavigationEntry we just removed. Set this
1248 // so the interstitial triggers a reload if the user doesn't proceed.
[email protected]2db9bd72012-04-13 20:20:561249 static_cast<InterstitialPageImpl*>(web_contents_->GetInterstitialPage())->
[email protected]cadaec52012-02-08 21:53:131250 set_reload_on_dont_proceed(true);
[email protected]97b6c4f2010-09-27 19:31:261251 }
[email protected]97b6c4f2010-09-27 19:31:261252}
1253
[email protected]d202a7c2012-01-04 07:53:471254void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) {
[email protected]71fde352011-12-29 03:29:561255 max_restored_page_id_ = max_id;
1256}
1257
[email protected]d202a7c2012-01-04 07:53:471258int32 NavigationControllerImpl::GetMaxRestoredPageID() const {
[email protected]71fde352011-12-29 03:29:561259 return max_restored_page_id_;
[email protected]a26023822011-12-29 00:23:551260}
1261
1262SessionStorageNamespace*
[email protected]d202a7c2012-01-04 07:53:471263 NavigationControllerImpl::GetSessionStorageNamespace() const {
[email protected]a26023822011-12-29 00:23:551264 return session_storage_namespace_;
1265}
[email protected]d202a7c2012-01-04 07:53:471266
1267bool NavigationControllerImpl::NeedsReload() const {
[email protected]71fde352011-12-29 03:29:561268 return needs_reload_;
1269}
[email protected]a26023822011-12-29 00:23:551270
[email protected]d202a7c2012-01-04 07:53:471271void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:551272 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:121273 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:311274
1275 DiscardNonCommittedEntries();
1276
1277 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:121278 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:311279 last_committed_entry_index_--;
1280}
1281
[email protected]d202a7c2012-01-04 07:53:471282void NavigationControllerImpl::DiscardNonCommittedEntries() {
[email protected]cbab76d2008-10-13 22:42:471283 bool transient = transient_entry_index_ != -1;
1284 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:291285
[email protected]cbab76d2008-10-13 22:42:471286 // If there was a transient entry, invalidate everything so the new active
1287 // entry state is shown.
1288 if (transient) {
[email protected]2db9bd72012-04-13 20:20:561289 web_contents_->NotifyNavigationStateChanged(kInvalidateAll);
[email protected]cbab76d2008-10-13 22:42:471290 }
initial.commit09911bf2008-07-26 23:55:291291}
1292
[email protected]d202a7c2012-01-04 07:53:471293NavigationEntry* NavigationControllerImpl::GetPendingEntry() const {
[email protected]022af742011-12-28 18:37:251294 return pending_entry_;
1295}
1296
[email protected]d202a7c2012-01-04 07:53:471297int NavigationControllerImpl::GetPendingEntryIndex() const {
[email protected]a26023822011-12-29 00:23:551298 return pending_entry_index_;
1299}
1300
[email protected]d202a7c2012-01-04 07:53:471301void NavigationControllerImpl::InsertOrReplaceEntry(NavigationEntryImpl* entry,
1302 bool replace) {
[email protected]36fc0392011-12-25 03:59:511303 DCHECK(entry->GetTransitionType() != content::PAGE_TRANSITION_AUTO_SUBFRAME);
[email protected]765b35502008-08-21 00:51:201304
1305 // Copy the pending entry's unique ID to the committed entry.
1306 // I don't know if pending_entry_index_ can be other than -1 here.
[email protected]10f417c52011-12-28 21:04:231307 const NavigationEntryImpl* const pending_entry =
1308 (pending_entry_index_ == -1) ?
1309 pending_entry_ : entries_[pending_entry_index_].get();
[email protected]765b35502008-08-21 00:51:201310 if (pending_entry)
[email protected]36fc0392011-12-25 03:59:511311 entry->set_unique_id(pending_entry->GetUniqueID());
[email protected]765b35502008-08-21 00:51:201312
[email protected]cbab76d2008-10-13 22:42:471313 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:201314
1315 int current_size = static_cast<int>(entries_.size());
1316
[email protected]765b35502008-08-21 00:51:201317 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:451318 // Prune any entries which are in front of the current entry.
1319 // Also prune the current entry if we are to replace the current entry.
[email protected]47dcbdc2011-05-27 15:08:311320 // last_committed_entry_index_ must be updated here since calls to
1321 // NotifyPrunedEntries() below may re-enter and we must make sure
1322 // last_committed_entry_index_ is not left in an invalid state.
1323 if (replace)
1324 --last_committed_entry_index_;
1325
[email protected]c12bf1a12008-09-17 16:28:491326 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:311327 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:491328 num_pruned++;
[email protected]765b35502008-08-21 00:51:201329 entries_.pop_back();
1330 current_size--;
1331 }
[email protected]c12bf1a12008-09-17 16:28:491332 if (num_pruned > 0) // Only notify if we did prune something.
1333 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:201334 }
1335
[email protected]944822b2012-03-02 20:57:251336 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:201337
[email protected]10f417c52011-12-28 21:04:231338 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]765b35502008-08-21 00:51:201339 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
[email protected]e9ba4472008-09-14 15:42:431340
1341 // This is a new page ID, so we need everybody to know about it.
[email protected]2db9bd72012-04-13 20:20:561342 web_contents_->UpdateMaxPageID(entry->GetPageID());
initial.commit09911bf2008-07-26 23:55:291343}
1344
[email protected]944822b2012-03-02 20:57:251345void NavigationControllerImpl::PruneOldestEntryIfFull() {
1346 if (entries_.size() >= max_entry_count()) {
1347 DCHECK_EQ(max_entry_count(), entries_.size());
1348 DCHECK(last_committed_entry_index_ > 0);
1349 RemoveEntryAtIndex(0);
1350 NotifyPrunedEntries(this, true, 1);
1351 }
1352}
1353
[email protected]d202a7c2012-01-04 07:53:471354void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
[email protected]72097fd02010-01-21 23:36:011355 needs_reload_ = false;
1356
[email protected]83c2e232011-10-07 21:36:461357 // If we were navigating to a slow-to-commit page, and the user performs
1358 // a session history navigation to the last committed page, RenderViewHost
1359 // will force the throbber to start, but WebKit will essentially ignore the
1360 // navigation, and won't send a message to stop the throbber. To prevent this
1361 // from happening, we drop the navigation here and stop the slow-to-commit
1362 // page from loading (which would normally happen during the navigation).
1363 if (pending_entry_index_ != -1 &&
1364 pending_entry_index_ == last_committed_entry_index_ &&
1365 (entries_[pending_entry_index_]->restore_type() ==
[email protected]10f417c52011-12-28 21:04:231366 NavigationEntryImpl::RESTORE_NONE) &&
[email protected]36fc0392011-12-25 03:59:511367 (entries_[pending_entry_index_]->GetTransitionType() &
[email protected]2905f742011-10-13 03:51:581368 content::PAGE_TRANSITION_FORWARD_BACK)) {
[email protected]2db9bd72012-04-13 20:20:561369 web_contents_->Stop();
[email protected]6a13a6c2011-12-20 21:47:121370
1371 // If an interstitial page is showing, we want to close it to get back
1372 // to what was showing before.
[email protected]2db9bd72012-04-13 20:20:561373 if (web_contents_->GetInterstitialPage())
1374 web_contents_->GetInterstitialPage()->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:121375
[email protected]83c2e232011-10-07 21:36:461376 DiscardNonCommittedEntries();
1377 return;
1378 }
1379
[email protected]6a13a6c2011-12-20 21:47:121380 // If an interstitial page is showing, the previous renderer is blocked and
1381 // cannot make new requests. Unblock (and disable) it to allow this
1382 // navigation to succeed. The interstitial will stay visible until the
1383 // resulting DidNavigate.
[email protected]2db9bd72012-04-13 20:20:561384 if (web_contents_->GetInterstitialPage()) {
1385 static_cast<InterstitialPageImpl*>(web_contents_->GetInterstitialPage())->
[email protected]cadaec52012-02-08 21:53:131386 CancelForNavigation();
1387 }
[email protected]6a13a6c2011-12-20 21:47:121388
initial.commit09911bf2008-07-26 23:55:291389 // For session history navigations only the pending_entry_index_ is set.
1390 if (!pending_entry_) {
[email protected]4bf3522c2010-08-19 21:00:201391 DCHECK_NE(pending_entry_index_, -1);
[email protected]765b35502008-08-21 00:51:201392 pending_entry_ = entries_[pending_entry_index_].get();
initial.commit09911bf2008-07-26 23:55:291393 }
1394
[email protected]2db9bd72012-04-13 20:20:561395 if (!web_contents_->NavigateToPendingEntry(reload_type))
[email protected]cbab76d2008-10-13 22:42:471396 DiscardNonCommittedEntries();
[email protected]77362eb2011-08-01 17:18:381397
1398 // If the entry is being restored and doesn't have a SiteInstance yet, fill
1399 // it in now that we know. This allows us to find the entry when it commits.
1400 // This works for browser-initiated navigations. We handle renderer-initiated
[email protected]2db9bd72012-04-13 20:20:561401 // navigations to restored entries in WebContentsImpl::OnGoToEntryAtOffset.
[email protected]77362eb2011-08-01 17:18:381402 if (pending_entry_ && !pending_entry_->site_instance() &&
[email protected]10f417c52011-12-28 21:04:231403 pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE) {
[email protected]b6583592012-01-25 19:52:331404 pending_entry_->set_site_instance(static_cast<SiteInstanceImpl*>(
[email protected]2db9bd72012-04-13 20:20:561405 web_contents_->GetPendingSiteInstance()));
[email protected]10f417c52011-12-28 21:04:231406 pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE);
[email protected]77362eb2011-08-01 17:18:381407 }
initial.commit09911bf2008-07-26 23:55:291408}
1409
[email protected]d202a7c2012-01-04 07:53:471410void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]93f230e02011-06-01 14:40:001411 content::LoadCommittedDetails* details) {
[email protected]df1af242009-05-01 00:11:401412 details->entry = GetActiveEntry();
[email protected]6c2381d2011-10-19 02:52:531413 content::NotificationDetails notification_details =
1414 content::Details<content::LoadCommittedDetails>(details);
[email protected]df1af242009-05-01 00:11:401415
[email protected]2db9bd72012-04-13 20:20:561416 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:401417 // location bar will have up-to-date information about the security style
1418 // when it wants to draw. See http://crbug.com/11157
1419 ssl_manager_.DidCommitProvisionalLoad(notification_details);
1420
initial.commit09911bf2008-07-26 23:55:291421 // TODO(pkasting): http://b/1113079 Probably these explicit notification paths
1422 // should be removed, and interested parties should just listen for the
1423 // notification below instead.
[email protected]2db9bd72012-04-13 20:20:561424 web_contents_->NotifyNavigationStateChanged(kInvalidateAll);
initial.commit09911bf2008-07-26 23:55:291425
[email protected]ad50def52011-10-19 23:17:071426 content::NotificationService::current()->Notify(
[email protected]432115822011-07-10 15:52:271427 content::NOTIFICATION_NAV_ENTRY_COMMITTED,
[email protected]c5eed492012-01-04 17:07:501428 content::Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:401429 notification_details);
initial.commit09911bf2008-07-26 23:55:291430}
1431
initial.commit09911bf2008-07-26 23:55:291432// static
[email protected]d202a7c2012-01-04 07:53:471433size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:231434 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
1435 return max_entry_count_for_testing_;
1436 return content::kMaxSessionHistoryEntries;
1437}
1438
[email protected]d202a7c2012-01-04 07:53:471439void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:221440 if (is_active && needs_reload_)
1441 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:291442}
1443
[email protected]d202a7c2012-01-04 07:53:471444void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:291445 if (!needs_reload_)
1446 return;
1447
initial.commit09911bf2008-07-26 23:55:291448 // Calling Reload() results in ignoring state, and not loading.
1449 // Explicitly use NavigateToPendingEntry so that the renderer uses the
1450 // cached state.
1451 pending_entry_index_ = last_committed_entry_index_;
[email protected]1ccb3568d2010-02-19 10:51:161452 NavigateToPendingEntry(NO_RELOAD);
initial.commit09911bf2008-07-26 23:55:291453}
1454
[email protected]d202a7c2012-01-04 07:53:471455void NavigationControllerImpl::NotifyEntryChanged(const NavigationEntry* entry,
1456 int index) {
[email protected]8286f51a2011-05-31 17:39:131457 content::EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:091458 det.changed_entry = entry;
1459 det.index = index;
[email protected]ad50def52011-10-19 23:17:071460 content::NotificationService::current()->Notify(
[email protected]432115822011-07-10 15:52:271461 content::NOTIFICATION_NAV_ENTRY_CHANGED,
[email protected]c5eed492012-01-04 17:07:501462 content::Source<NavigationController>(this),
[email protected]6c2381d2011-10-19 02:52:531463 content::Details<content::EntryChangedDetails>(&det));
initial.commit09911bf2008-07-26 23:55:291464}
1465
[email protected]d202a7c2012-01-04 07:53:471466void NavigationControllerImpl::FinishRestore(int selected_index,
1467 bool from_last_session) {
[email protected]a26023822011-12-29 00:23:551468 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]5e369672009-11-03 23:48:301469 ConfigureEntriesForRestore(&entries_, from_last_session);
initial.commit09911bf2008-07-26 23:55:291470
[email protected]71fde352011-12-29 03:29:561471 SetMaxRestoredPageID(static_cast<int32>(GetEntryCount()));
initial.commit09911bf2008-07-26 23:55:291472
1473 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:291474}
[email protected]765b35502008-08-21 00:51:201475
[email protected]d202a7c2012-01-04 07:53:471476void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
[email protected]765b35502008-08-21 00:51:201477 if (pending_entry_index_ == -1)
1478 delete pending_entry_;
1479 pending_entry_ = NULL;
1480 pending_entry_index_ = -1;
[email protected]cbab76d2008-10-13 22:42:471481
1482 DiscardTransientEntry();
1483}
1484
[email protected]d202a7c2012-01-04 07:53:471485void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:471486 if (transient_entry_index_ == -1)
1487 return;
[email protected]a0e69262009-06-03 19:08:481488 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:181489 if (last_committed_entry_index_ > transient_entry_index_)
1490 last_committed_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:471491 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:201492}
1493
[email protected]d202a7c2012-01-04 07:53:471494int NavigationControllerImpl::GetEntryIndexWithPageID(
[email protected]7f0005a2009-04-15 03:25:111495 SiteInstance* instance, int32 page_id) const {
[email protected]765b35502008-08-21 00:51:201496 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
[email protected]7f0005a2009-04-15 03:25:111497 if ((entries_[i]->site_instance() == instance) &&
[email protected]36fc0392011-12-25 03:59:511498 (entries_[i]->GetPageID() == page_id))
[email protected]765b35502008-08-21 00:51:201499 return i;
1500 }
1501 return -1;
1502}
[email protected]cbab76d2008-10-13 22:42:471503
[email protected]d202a7c2012-01-04 07:53:471504NavigationEntry* NavigationControllerImpl::GetTransientEntry() const {
[email protected]cbab76d2008-10-13 22:42:471505 if (transient_entry_index_ == -1)
1506 return NULL;
1507 return entries_[transient_entry_index_].get();
1508}
[email protected]e1cd5452010-08-26 18:03:251509
[email protected]d202a7c2012-01-04 07:53:471510void NavigationControllerImpl::InsertEntriesFrom(
1511 const NavigationControllerImpl& source,
[email protected]e1cd5452010-08-26 18:03:251512 int max_index) {
[email protected]a26023822011-12-29 00:23:551513 DCHECK_LE(max_index, source.GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:251514 size_t insert_index = 0;
1515 for (int i = 0; i < max_index; i++) {
1516 // When cloning a tab, copy all entries except interstitial pages
[email protected]ad23a092011-12-28 07:02:041517 if (source.entries_[i].get()->GetPageType() !=
[email protected]66fdbd52011-10-18 17:08:531518 content::PAGE_TYPE_INTERSTITIAL) {
[email protected]e1cd5452010-08-26 18:03:251519 entries_.insert(entries_.begin() + insert_index++,
[email protected]10f417c52011-12-28 21:04:231520 linked_ptr<NavigationEntryImpl>(
1521 new NavigationEntryImpl(*source.entries_[i])));
[email protected]e1cd5452010-08-26 18:03:251522 }
1523 }
1524}