blob: 358136784ae7d25ba5acf65f8662fa09aa2dc731 [file] [log] [blame]
[email protected]d4a8ca482013-10-30 21:06:401// Copyright 2013 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]d4a8ca482013-10-30 21:06:405#include "content/browser/frame_host/navigation_controller_impl.h"
initial.commit09911bf2008-07-26 23:55:296
[email protected]c5b88d82012-10-06 17:03:337#include "base/bind.h"
[email protected]eabfe1912014-05-12 10:07:288#include "base/command_line.h"
initial.commit09911bf2008-07-26 23:55:299#include "base/logging.h"
[email protected]d6def3d2014-05-19 18:55:3210#include "base/metrics/histogram.h"
[email protected]348fbaac2013-06-11 06:31:5111#include "base/strings/string_number_conversions.h" // Temporary
12#include "base/strings/string_util.h"
[email protected]74ebfb12013-06-07 20:48:0013#include "base/strings/utf_string_conversions.h"
[email protected]a43858f2013-06-28 15:18:3714#include "base/time/time.h"
ssid3e765612015-01-28 04:03:4215#include "base/trace_event/trace_event.h"
servolkf3955532015-05-16 00:01:5916#include "build/build_config.h"
[email protected]eabfe1912014-05-12 10:07:2817#include "cc/base/switches.h"
rsleevic327b48f82015-04-30 02:03:2518#include "components/mime_util/mime_util.h"
jamescookda2505812015-03-20 18:01:1819#include "content/browser/bad_message.h"
[email protected]825b1662012-03-12 19:07:3120#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4121#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0422#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]d4a8ca482013-10-30 21:06:4023#include "content/browser/frame_host/debug_urls.h"
24#include "content/browser/frame_host/interstitial_page_impl.h"
25#include "content/browser/frame_host/navigation_entry_impl.h"
[email protected]d1581d72013-11-05 19:11:2626#include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
[email protected]b3c41c0b2012-03-06 15:48:3227#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary
[email protected]b6583592012-01-25 19:52:3328#include "content/browser/site_instance_impl.h"
[email protected]37567b432014-02-12 01:12:2229#include "content/common/frame_messages.h"
[email protected]0aed2f52011-03-23 18:06:3630#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1131#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1932#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4633#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0034#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3835#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1636#include "content/public/browser/notification_types.h"
[email protected]9677a3c2012-12-22 04:18:5837#include "content/public/browser/render_widget_host.h"
38#include "content/public/browser/render_widget_host_view.h"
[email protected]4c3a23582012-08-18 08:54:3439#include "content/public/browser/storage_partition.h"
[email protected]7f6f44c2011-12-14 13:23:3840#include "content/public/browser/user_metrics.h"
[email protected]d1198fd2012-08-13 22:50:1941#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3842#include "content/public/common/content_constants.h"
avi9f07a0c2015-02-18 22:51:2943#include "content/public/common/content_switches.h"
servolkf3955532015-05-16 00:01:5944#include "media/base/mime_util.h"
[email protected]a23de8572009-06-03 02:16:3245#include "net/base/escape.h"
[email protected]7f070d42011-03-09 20:25:3246#include "net/base/net_util.h"
[email protected]9677a3c2012-12-22 04:18:5847#include "skia/ext/platform_canvas.h"
[email protected]cca6f392014-05-28 21:32:2648#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2949
[email protected]8ff00d72012-10-23 19:12:2150namespace content {
[email protected]e9ba4472008-09-14 15:42:4351namespace {
52
53// Invoked when entries have been pruned, or removed. For example, if the
54// current entries are [google, digg, yahoo], with the current entry google,
55// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4756void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4957 bool from_front,
58 int count) {
[email protected]8ff00d72012-10-23 19:12:2159 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4960 details.from_front = from_front;
61 details.count = count;
[email protected]8ff00d72012-10-23 19:12:2162 NotificationService::current()->Notify(
63 NOTIFICATION_NAV_LIST_PRUNED,
64 Source<NavigationController>(nav_controller),
65 Details<PrunedDetails>(&details));
[email protected]e9ba4472008-09-14 15:42:4366}
67
68// Ensure the given NavigationEntry has a valid state, so that WebKit does not
69// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:3970//
[email protected]e9ba4472008-09-14 15:42:4371// An empty state is treated as a new navigation by WebKit, which would mean
72// losing the navigation entries and generating a new navigation entry after
73// this one. We don't want that. To avoid this we create a valid state which
74// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:0475void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
76 if (!entry->GetPageState().IsValid())
77 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:4378}
79
[email protected]2ca1ea662012-10-04 02:26:3680NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType(
81 NavigationController::RestoreType type) {
82 switch (type) {
83 case NavigationController::RESTORE_CURRENT_SESSION:
84 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
85 case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY:
86 return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY;
87 case NavigationController::RESTORE_LAST_SESSION_CRASHED:
88 return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED;
89 }
90 NOTREACHED();
91 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
92}
93
[email protected]e9ba4472008-09-14 15:42:4394// Configure all the NavigationEntries in entries for restore. This resets
95// the transition type to reload and makes sure the content state isn't empty.
96void ConfigureEntriesForRestore(
[email protected]10f417c52011-12-28 21:04:2397 std::vector<linked_ptr<NavigationEntryImpl> >* entries,
[email protected]2ca1ea662012-10-04 02:26:3698 NavigationController::RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:4399 for (size_t i = 0; i < entries->size(); ++i) {
100 // Use a transition type of reload so that we don't incorrectly increase
101 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35102 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]2ca1ea662012-10-04 02:26:36103 (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type));
[email protected]e9ba4472008-09-14 15:42:43104 // NOTE(darin): This code is only needed for backwards compat.
[email protected]691aa2f2013-05-28 22:52:04105 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43106 }
107}
108
[email protected]bf70edce2012-06-20 22:32:22109// Determines whether or not we should be carrying over a user agent override
110// between two NavigationEntries.
[email protected]8ff00d72012-10-23 19:12:21111bool ShouldKeepOverride(const NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22112 return last_entry && last_entry->GetIsOverridingUserAgent();
113}
114
[email protected]e9ba4472008-09-14 15:42:43115} // namespace
116
[email protected]d202a7c2012-01-04 07:53:47117// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29118
[email protected]23a918b2014-07-15 09:51:36119const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23120
[email protected]765b35502008-08-21 00:51:20121// static
[email protected]d202a7c2012-01-04 07:53:47122size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23123 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20124
[email protected]e6fec472013-05-14 05:29:02125// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20126// when testing.
127static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29128
[email protected]71fde352011-12-29 03:29:56129// static
[email protected]cdcb1dee2012-01-04 00:46:20130NavigationEntry* NavigationController::CreateNavigationEntry(
[email protected]71fde352011-12-29 03:29:56131 const GURL& url,
[email protected]cdcb1dee2012-01-04 00:46:20132 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35133 ui::PageTransition transition,
[email protected]71fde352011-12-29 03:29:56134 bool is_renderer_initiated,
135 const std::string& extra_headers,
[email protected]cdcb1dee2012-01-04 00:46:20136 BrowserContext* browser_context) {
creis94a977f62015-02-18 23:51:05137 // Fix up the given URL before letting it be rewritten, so that any minor
138 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
139 GURL dest_url(url);
140 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(&dest_url,
141 browser_context);
142
[email protected]71fde352011-12-29 03:29:56143 // Allow the browser URL handler to rewrite the URL. This will, for example,
144 // remove "view-source:" from the beginning of the URL to get the URL that
145 // will actually be loaded. This real URL won't be shown to the user, just
146 // used internally.
creis94a977f62015-02-18 23:51:05147 GURL loaded_url(dest_url);
[email protected]71fde352011-12-29 03:29:56148 bool reverse_on_redirect = false;
[email protected]825b1662012-03-12 19:07:31149 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
[email protected]71fde352011-12-29 03:29:56150 &loaded_url, browser_context, &reverse_on_redirect);
151
152 NavigationEntryImpl* entry = new NavigationEntryImpl(
153 NULL, // The site instance for tabs is sent on navigation
[email protected]2db9bd72012-04-13 20:20:56154 // (WebContents::GetSiteInstance).
[email protected]71fde352011-12-29 03:29:56155 -1,
156 loaded_url,
157 referrer,
[email protected]fcf75d42013-12-03 20:11:26158 base::string16(),
[email protected]71fde352011-12-29 03:29:56159 transition,
160 is_renderer_initiated);
creis94a977f62015-02-18 23:51:05161 entry->SetVirtualURL(dest_url);
162 entry->set_user_typed_url(dest_url);
[email protected]71fde352011-12-29 03:29:56163 entry->set_update_virtual_url_with_url(reverse_on_redirect);
164 entry->set_extra_headers(extra_headers);
165 return entry;
166}
167
[email protected]cdcb1dee2012-01-04 00:46:20168// static
169void NavigationController::DisablePromptOnRepost() {
170 g_check_for_repost = false;
171}
172
[email protected]c5b88d82012-10-06 17:03:33173base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
174 base::Time t) {
175 // If |t| is between the water marks, we're in a run of duplicates
176 // or just getting out of it, so increase the high-water mark to get
177 // a time that probably hasn't been used before and return it.
178 if (low_water_mark_ <= t && t <= high_water_mark_) {
179 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
180 return high_water_mark_;
181 }
182
183 // Otherwise, we're clear of the last duplicate run, so reset the
184 // water marks.
185 low_water_mark_ = high_water_mark_ = t;
186 return t;
187}
188
[email protected]d202a7c2012-01-04 07:53:47189NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57190 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19191 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37192 : browser_context_(browser_context),
[email protected]765b35502008-08-21 00:51:20193 pending_entry_(NULL),
avi45a72532015-04-07 21:01:45194 failed_pending_entry_id_(0),
195 failed_pending_entry_should_replace_(false),
[email protected]765b35502008-08-21 00:51:20196 last_committed_entry_index_(-1),
197 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47198 transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57199 delegate_(delegate),
initial.commit09911bf2008-07-26 23:55:29200 max_restored_page_id_(-1),
[email protected]69e797f2013-04-30 01:10:22201 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57202 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09203 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28204 in_navigate_to_pending_entry_(false),
[email protected]c5b88d82012-10-06 17:03:33205 pending_reload_(NO_RELOAD),
[email protected]8cea7892013-02-06 06:49:31206 get_timestamp_callback_(base::Bind(&base::Time::Now)),
[email protected]d1581d72013-11-05 19:11:26207 screenshot_manager_(new NavigationEntryScreenshotManager(this)) {
[email protected]3d7474ff2011-07-27 17:47:37208 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29209}
210
[email protected]d202a7c2012-01-04 07:53:47211NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47212 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29213}
214
[email protected]d202a7c2012-01-04 07:53:47215WebContents* NavigationControllerImpl::GetWebContents() const {
[email protected]ec6c05f2013-10-23 18:41:57216 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32217}
218
[email protected]d202a7c2012-01-04 07:53:47219BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
[email protected]a26023822011-12-29 00:23:55220 return browser_context_;
221}
222
[email protected]d202a7c2012-01-04 07:53:47223void NavigationControllerImpl::SetBrowserContext(
224 BrowserContext* browser_context) {
[email protected]cdcb1dee2012-01-04 00:46:20225 browser_context_ = browser_context;
226}
227
[email protected]d202a7c2012-01-04 07:53:47228void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30229 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36230 RestoreType type,
[email protected]10f417c52011-12-28 21:04:23231 std::vector<NavigationEntry*>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57232 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55233 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57234 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14235 selected_navigation < static_cast<int>(entries->size()));
[email protected]ce3fa3c2009-04-20 19:55:57236
[email protected]ce3fa3c2009-04-20 19:55:57237 needs_reload_ = true;
[email protected]ad23a092011-12-28 07:02:04238 for (size_t i = 0; i < entries->size(); ++i) {
[email protected]10f417c52011-12-28 21:04:23239 NavigationEntryImpl* entry =
240 NavigationEntryImpl::FromNavigationEntry((*entries)[i]);
241 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]ad23a092011-12-28 07:02:04242 }
[email protected]03838e22011-06-06 15:27:14243 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57244
245 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36246 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57247}
248
[email protected]d202a7c2012-01-04 07:53:47249void NavigationControllerImpl::Reload(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16250 ReloadInternal(check_for_repost, RELOAD);
251}
[email protected]d202a7c2012-01-04 07:53:47252void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16253 ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE);
254}
[email protected]7c16976c2012-08-04 02:38:23255void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) {
256 ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL);
257}
[email protected]1ccb3568d2010-02-19 10:51:16258
[email protected]d202a7c2012-01-04 07:53:47259void NavigationControllerImpl::ReloadInternal(bool check_for_repost,
260 ReloadType reload_type) {
[email protected]669e0ba2012-08-30 23:57:36261 if (transient_entry_index_ != -1) {
262 // If an interstitial is showing, treat a reload as a navigation to the
263 // transient entry's URL.
creis3da03872015-02-20 21:12:32264 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27265 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36266 return;
[email protected]6286a3792013-10-09 04:03:27267 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21268 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35269 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27270 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47271 return;
[email protected]669e0ba2012-08-30 23:57:36272 }
[email protected]cbab76d2008-10-13 22:42:47273
[email protected]59167c22013-06-03 18:07:32274 NavigationEntryImpl* entry = NULL;
275 int current_index = -1;
276
277 // If we are reloading the initial navigation, just use the current
278 // pending entry. Otherwise look up the current entry.
279 if (IsInitialNavigation() && pending_entry_) {
280 entry = pending_entry_;
281 // The pending entry might be in entries_ (e.g., after a Clone), so we
282 // should also update the current_index.
283 current_index = pending_entry_index_;
284 } else {
285 DiscardNonCommittedEntriesInternal();
286 current_index = GetCurrentEntryIndex();
287 if (current_index != -1) {
creis3da03872015-02-20 21:12:32288 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32289 }
[email protected]979a4bc2013-04-24 01:27:15290 }
[email protected]241db352013-04-22 18:04:05291
[email protected]59167c22013-06-03 18:07:32292 // If we are no where, then we can't reload. TODO(darin): We should add a
293 // CanReload method.
294 if (!entry)
295 return;
296
[email protected]eaaba7dd2013-10-14 02:38:07297 if (reload_type == NavigationControllerImpl::RELOAD_ORIGINAL_REQUEST_URL &&
298 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
299 // We may have been redirected when navigating to the current URL.
300 // Use the URL the user originally intended to visit, if it's valid and if a
301 // POST wasn't involved; the latter case avoids issues with sending data to
302 // the wrong page.
303 entry->SetURL(entry->GetOriginalRequestURL());
[email protected]25cd5f12014-01-10 11:02:20304 entry->SetReferrer(Referrer());
[email protected]eaaba7dd2013-10-14 02:38:07305 }
306
[email protected]cdcb1dee2012-01-04 00:46:20307 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32308 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30309 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07310 // they really want to do this. If they do, the dialog will call us back
311 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57312 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02313
[email protected]106a0812010-03-18 00:15:12314 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57315 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29316 } else {
[email protected]59167c22013-06-03 18:07:32317 if (!IsInitialNavigation())
318 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26319
[email protected]bcd904482012-02-01 01:54:22320 // If we are reloading an entry that no longer belongs to the current
321 // site instance (for example, refreshing a page for just installed app),
322 // the reload must happen in a new process.
323 // The new entry must have a new page_id and site instance, so it behaves
324 // as new navigation (which happens to clear forward history).
[email protected]7e58cb272012-03-30 21:22:30325 // Tabs that are discarded due to low memory conditions may not have a site
326 // instance, and should not be treated as a cross-site reload.
[email protected]59167c22013-06-03 18:07:32327 SiteInstanceImpl* site_instance = entry->site_instance();
[email protected]fb4cc8e2013-12-17 17:56:21328 // Permit reloading guests without further checks.
paulmeyer1aeba7aa2015-06-16 18:25:10329 bool is_for_guests_only = site_instance && site_instance->HasProcess() &&
330 site_instance->GetProcess()->IsForGuestsOnly();
331 if (!is_for_guests_only && site_instance &&
[email protected]7e58cb272012-03-30 21:22:30332 site_instance->HasWrongProcessForURL(entry->GetURL())) {
[email protected]bcd904482012-02-01 01:54:22333 // Create a navigation entry that resembles the current one, but do not
[email protected]688aa65c62012-09-28 04:32:22334 // copy page id, site instance, content state, or timestamp.
[email protected]bcd904482012-02-01 01:54:22335 NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry(
336 CreateNavigationEntry(
337 entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(),
338 false, entry->extra_headers(), browser_context_));
[email protected]c3b3d952012-01-31 12:52:26339
[email protected]11535962012-02-09 21:02:10340 // Mark the reload type as NO_RELOAD, so navigation will not be considered
341 // a reload in the renderer.
342 reload_type = NavigationController::NO_RELOAD;
343
[email protected]e2caa032012-11-15 23:29:18344 nav_entry->set_should_replace_entry(true);
[email protected]bcd904482012-02-01 01:54:22345 pending_entry_ = nav_entry;
346 } else {
[email protected]59167c22013-06-03 18:07:32347 pending_entry_ = entry;
[email protected]bcd904482012-02-01 01:54:22348 pending_entry_index_ = current_index;
349
350 // The title of the page being reloaded might have been removed in the
351 // meanwhile, so we need to revert to the default title upon reload and
352 // invalidate the previously cached title (SetTitle will do both).
353 // See Chromium issue 96041.
[email protected]fcf75d42013-12-03 20:11:26354 pending_entry_->SetTitle(base::string16());
[email protected]bcd904482012-02-01 01:54:22355
Sylvain Defresnec6ccc77d2014-09-19 10:19:35356 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22357 }
358
[email protected]1ccb3568d2010-02-19 10:51:16359 NavigateToPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29360 }
361}
362
[email protected]d202a7c2012-01-04 07:53:47363void NavigationControllerImpl::CancelPendingReload() {
[email protected]106a0812010-03-18 00:15:12364 DCHECK(pending_reload_ != NO_RELOAD);
365 pending_reload_ = NO_RELOAD;
366}
367
[email protected]d202a7c2012-01-04 07:53:47368void NavigationControllerImpl::ContinuePendingReload() {
[email protected]106a0812010-03-18 00:15:12369 if (pending_reload_ == NO_RELOAD) {
370 NOTREACHED();
371 } else {
372 ReloadInternal(false, pending_reload_);
[email protected]965bb092010-04-09 11:59:02373 pending_reload_ = NO_RELOAD;
[email protected]106a0812010-03-18 00:15:12374 }
375}
376
[email protected]cd2e15742013-03-08 04:08:31377bool NavigationControllerImpl::IsInitialNavigation() const {
[email protected]27ba81c2012-08-21 17:04:09378 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11379}
380
[email protected]d202a7c2012-01-04 07:53:47381NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID(
[email protected]b6583592012-01-25 19:52:33382 SiteInstance* instance, int32 page_id) const {
[email protected]7f0005a2009-04-15 03:25:11383 int index = GetEntryIndexWithPageID(instance, page_id);
[email protected]765b35502008-08-21 00:51:20384 return (index != -1) ? entries_[index].get() : NULL;
385}
386
creis3cdc3b02015-05-29 23:00:47387bool NavigationControllerImpl::HasCommittedRealLoad(
388 FrameTreeNode* frame_tree_node) const {
389 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
390 return last_committed && last_committed->HasFrameEntry(frame_tree_node);
391}
392
[email protected]d202a7c2012-01-04 07:53:47393void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) {
[email protected]765b35502008-08-21 00:51:20394 // When navigating to a new page, we don't know for sure if we will actually
395 // end up leaving the current page. The new page load could for example
396 // result in a download or a 'no content' response (e.g., a mailto: URL).
[email protected]59167c22013-06-03 18:07:32397 SetPendingEntry(entry);
398 NavigateToPendingEntry(NO_RELOAD);
399}
400
401void NavigationControllerImpl::SetPendingEntry(NavigationEntryImpl* entry) {
[email protected]cbab76d2008-10-13 22:42:47402 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:20403 pending_entry_ = entry;
[email protected]8ff00d72012-10-23 19:12:21404 NotificationService::current()->Notify(
405 NOTIFICATION_NAV_ENTRY_PENDING,
406 Source<NavigationController>(this),
407 Details<NavigationEntry>(entry));
[email protected]765b35502008-08-21 00:51:20408}
409
creis3da03872015-02-20 21:12:32410NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() const {
[email protected]cbab76d2008-10-13 22:42:47411 if (transient_entry_index_ != -1)
412 return entries_[transient_entry_index_].get();
413 if (pending_entry_)
414 return pending_entry_;
415 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20416}
417
creis3da03872015-02-20 21:12:32418NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() const {
[email protected]867e1f92011-08-30 19:01:19419 if (transient_entry_index_ != -1)
420 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32421 // The pending entry is safe to return for new (non-history), browser-
422 // initiated navigations. Most renderer-initiated navigations should not
423 // show the pending entry, to prevent URL spoof attacks.
424 //
425 // We make an exception for renderer-initiated navigations in new tabs, as
426 // long as no other page has tried to access the initial empty document in
427 // the new tab. If another page modifies this blank page, a URL spoof is
428 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32429 bool safe_to_show_pending =
430 pending_entry_ &&
431 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09432 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32433 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46434 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32435
436 // Also allow showing the pending entry for history navigations in a new tab,
437 // such as Ctrl+Back. In this case, no existing page is visible and no one
438 // can script the new tab before it commits.
439 if (!safe_to_show_pending &&
440 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09441 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32442 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34443 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32444 safe_to_show_pending = true;
445
446 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19447 return pending_entry_;
448 return GetLastCommittedEntry();
449}
450
[email protected]d202a7c2012-01-04 07:53:47451int NavigationControllerImpl::GetCurrentEntryIndex() const {
[email protected]cbab76d2008-10-13 22:42:47452 if (transient_entry_index_ != -1)
453 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20454 if (pending_entry_index_ != -1)
455 return pending_entry_index_;
456 return last_committed_entry_index_;
457}
458
creis3da03872015-02-20 21:12:32459NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() const {
[email protected]765b35502008-08-21 00:51:20460 if (last_committed_entry_index_ == -1)
461 return NULL;
462 return entries_[last_committed_entry_index_].get();
463}
464
[email protected]d202a7c2012-01-04 07:53:47465bool NavigationControllerImpl::CanViewSource() const {
[email protected]ec6c05f2013-10-23 18:41:57466 const std::string& mime_type = delegate_->GetContentsMimeType();
rsleevic327b48f82015-04-30 02:03:25467 bool is_viewable_mime_type =
468 mime_util::IsSupportedNonImageMimeType(mime_type) &&
servolkf3955532015-05-16 00:01:59469 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27470 NavigationEntry* visible_entry = GetVisibleEntry();
471 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57472 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16473}
474
[email protected]d202a7c2012-01-04 07:53:47475int NavigationControllerImpl::GetLastCommittedEntryIndex() const {
[email protected]a26023822011-12-29 00:23:55476 return last_committed_entry_index_;
477}
478
[email protected]d202a7c2012-01-04 07:53:47479int NavigationControllerImpl::GetEntryCount() const {
[email protected]944822b2012-03-02 20:57:25480 DCHECK(entries_.size() <= max_entry_count());
[email protected]a26023822011-12-29 00:23:55481 return static_cast<int>(entries_.size());
482}
483
creis3da03872015-02-20 21:12:32484NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(
[email protected]022af742011-12-28 18:37:25485 int index) const {
486 return entries_.at(index).get();
487}
488
creis3da03872015-02-20 21:12:32489NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(
[email protected]022af742011-12-28 18:37:25490 int offset) const {
[email protected]9ba14052012-06-22 23:50:03491 int index = GetIndexForOffset(offset);
[email protected]a26023822011-12-29 00:23:55492 if (index < 0 || index >= GetEntryCount())
[email protected]765b35502008-08-21 00:51:20493 return NULL;
494
495 return entries_[index].get();
496}
497
[email protected]9ba14052012-06-22 23:50:03498int NavigationControllerImpl::GetIndexForOffset(int offset) const {
[email protected]7bc2b032012-12-19 22:45:46499 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03500}
501
[email protected]9677a3c2012-12-22 04:18:58502void NavigationControllerImpl::TakeScreenshot() {
[email protected]1a3f5312013-04-26 21:00:10503 screenshot_manager_->TakeScreenshot();
[email protected]9677a3c2012-12-22 04:18:58504}
505
[email protected]1a3f5312013-04-26 21:00:10506void NavigationControllerImpl::SetScreenshotManager(
[email protected]d1581d72013-11-05 19:11:26507 NavigationEntryScreenshotManager* manager) {
[email protected]1a3f5312013-04-26 21:00:10508 screenshot_manager_.reset(manager ? manager :
[email protected]d1581d72013-11-05 19:11:26509 new NavigationEntryScreenshotManager(this));
[email protected]9677a3c2012-12-22 04:18:58510}
511
[email protected]d202a7c2012-01-04 07:53:47512bool NavigationControllerImpl::CanGoBack() const {
[email protected]765b35502008-08-21 00:51:20513 return entries_.size() > 1 && GetCurrentEntryIndex() > 0;
514}
515
[email protected]d202a7c2012-01-04 07:53:47516bool NavigationControllerImpl::CanGoForward() const {
[email protected]765b35502008-08-21 00:51:20517 int index = GetCurrentEntryIndex();
518 return index >= 0 && index < (static_cast<int>(entries_.size()) - 1);
519}
520
[email protected]9ba14052012-06-22 23:50:03521bool NavigationControllerImpl::CanGoToOffset(int offset) const {
522 int index = GetIndexForOffset(offset);
523 return index >= 0 && index < GetEntryCount();
524}
525
[email protected]d202a7c2012-01-04 07:53:47526void NavigationControllerImpl::GoBack() {
[email protected]765b35502008-08-21 00:51:20527 if (!CanGoBack()) {
528 NOTREACHED();
529 return;
530 }
531
532 // Base the navigation on where we are now...
533 int current_index = GetCurrentEntryIndex();
534
[email protected]cbab76d2008-10-13 22:42:47535 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20536
537 pending_entry_index_ = current_index - 1;
[email protected]022af742011-12-28 18:37:25538 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35539 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51540 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35541 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16542 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20543}
544
[email protected]d202a7c2012-01-04 07:53:47545void NavigationControllerImpl::GoForward() {
[email protected]765b35502008-08-21 00:51:20546 if (!CanGoForward()) {
547 NOTREACHED();
548 return;
549 }
550
[email protected]cbab76d2008-10-13 22:42:47551 bool transient = (transient_entry_index_ != -1);
552
[email protected]765b35502008-08-21 00:51:20553 // Base the navigation on where we are now...
554 int current_index = GetCurrentEntryIndex();
555
[email protected]cbab76d2008-10-13 22:42:47556 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20557
[email protected]cbab76d2008-10-13 22:42:47558 pending_entry_index_ = current_index;
559 // If there was a transient entry, we removed it making the current index
560 // the next page.
561 if (!transient)
562 pending_entry_index_++;
563
[email protected]022af742011-12-28 18:37:25564 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35565 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51566 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35567 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16568 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20569}
570
[email protected]d202a7c2012-01-04 07:53:47571void NavigationControllerImpl::GoToIndex(int index) {
[email protected]765b35502008-08-21 00:51:20572 if (index < 0 || index >= static_cast<int>(entries_.size())) {
573 NOTREACHED();
574 return;
575 }
576
[email protected]cbab76d2008-10-13 22:42:47577 if (transient_entry_index_ != -1) {
578 if (index == transient_entry_index_) {
579 // Nothing to do when navigating to the transient.
580 return;
581 }
582 if (index > transient_entry_index_) {
583 // Removing the transient is goint to shift all entries by 1.
584 index--;
585 }
586 }
587
588 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20589
590 pending_entry_index_ = index;
[email protected]022af742011-12-28 18:37:25591 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35592 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51593 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35594 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16595 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20596}
597
[email protected]d202a7c2012-01-04 07:53:47598void NavigationControllerImpl::GoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03599 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20600 return;
601
[email protected]9ba14052012-06-22 23:50:03602 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20603}
604
[email protected]41374f12013-07-24 02:49:28605bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
606 if (index == last_committed_entry_index_ ||
607 index == pending_entry_index_)
608 return false;
[email protected]6a13a6c2011-12-20 21:47:12609
[email protected]43032342011-03-21 14:10:31610 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28611 return true;
[email protected]cbab76d2008-10-13 22:42:47612}
613
[email protected]d202a7c2012-01-04 07:53:47614void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23615 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32616 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31617 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51618 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
619 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32620 }
621}
622
[email protected]d202a7c2012-01-04 07:53:47623void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47624 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21625 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35626 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47627 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47628 LoadURLParams params(url);
629 params.referrer = referrer;
630 params.transition_type = transition;
631 params.extra_headers = extra_headers;
632 LoadURLWithParams(params);
633}
634
635void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43636 TRACE_EVENT1("browser,navigation",
637 "NavigationControllerImpl::LoadURLWithParams",
638 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43639 if (HandleDebugURL(params.url, params.transition_type)) {
640 // If Telemetry is running, allow the URL load to proceed as if it's
641 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49642 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43643 cc::switches::kEnableGpuBenchmarking))
644 return;
645 }
[email protected]8bf1048012012-02-08 01:22:18646
[email protected]c02f1ba2014-02-03 06:53:53647 // Any renderer-side debug URLs or javascript: URLs should be ignored if the
[email protected]c21e5c22014-02-05 23:56:41648 // renderer process is not live, unless it is the initial navigation of the
649 // tab.
[email protected]c02f1ba2014-02-03 06:53:53650 if (IsRendererDebugURL(params.url)) {
651 // TODO(creis): Find the RVH for the correct frame.
[email protected]c21e5c22014-02-05 23:56:41652 if (!delegate_->GetRenderViewHost()->IsRenderViewLive() &&
653 !IsInitialNavigation())
[email protected]c02f1ba2014-02-03 06:53:53654 return;
655 }
656
[email protected]cf002332012-08-14 19:17:47657 // Checks based on params.load_type.
658 switch (params.load_type) {
659 case LOAD_TYPE_DEFAULT:
660 break;
661 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
[email protected]e8ca69c2014-05-07 15:31:19662 if (!params.url.SchemeIs(url::kHttpScheme) &&
663 !params.url.SchemeIs(url::kHttpsScheme)) {
[email protected]cf002332012-08-14 19:17:47664 NOTREACHED() << "Http post load must use http(s) scheme.";
665 return;
666 }
667 break;
668 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26669 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47670 NOTREACHED() << "Data load must use data scheme.";
671 return;
672 }
673 break;
674 default:
675 NOTREACHED();
676 break;
677 };
[email protected]e47ae9472011-10-13 19:48:34678
[email protected]e47ae9472011-10-13 19:48:34679 // The user initiated a load, we don't need to reload anymore.
680 needs_reload_ = false;
681
[email protected]cf002332012-08-14 19:17:47682 bool override = false;
683 switch (params.override_user_agent) {
684 case UA_OVERRIDE_INHERIT:
685 override = ShouldKeepOverride(GetLastCommittedEntry());
686 break;
687 case UA_OVERRIDE_TRUE:
688 override = true;
689 break;
690 case UA_OVERRIDE_FALSE:
691 override = false;
692 break;
693 default:
694 NOTREACHED();
695 break;
[email protected]d1ef81d2012-07-24 11:39:36696 }
697
[email protected]d1ef81d2012-07-24 11:39:36698 NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
699 CreateNavigationEntry(
[email protected]cf002332012-08-14 19:17:47700 params.url,
701 params.referrer,
702 params.transition_type,
703 params.is_renderer_initiated,
704 params.extra_headers,
[email protected]d1ef81d2012-07-24 11:39:36705 browser_context_));
creis6a93a812015-04-24 23:13:17706 if (!params.frame_name.empty()) {
707 // This is only used for navigating subframes in tests.
708 FrameTreeNode* named_frame =
709 delegate_->GetFrameTree()->FindByName(params.frame_name);
710 if (named_frame)
711 entry->set_frame_tree_node_id(named_frame->frame_tree_node_id());
712 }
[email protected]c80297782013-11-21 07:10:16713 if (params.frame_tree_node_id != -1)
714 entry->set_frame_tree_node_id(params.frame_tree_node_id);
lfg9ef7d2d2014-12-15 22:32:30715 entry->set_source_site_instance(
716 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
[email protected]f8872902013-10-30 03:18:57717 if (params.redirect_chain.size() > 0)
[email protected]c1982ff2014-04-23 03:37:21718 entry->SetRedirectChain(params.redirect_chain);
avib6cc1562015-02-12 19:56:39719 // Don't allow an entry replacement if there is no entry to replace.
720 // http://crbug.com/457149
721 if (params.should_replace_current_entry && entries_.size() > 0)
[email protected]e2caa032012-11-15 23:29:18722 entry->set_should_replace_entry(true);
[email protected]60d6cca2013-04-30 08:47:13723 entry->set_should_clear_history_list(params.should_clear_history_list);
[email protected]cf002332012-08-14 19:17:47724 entry->SetIsOverridingUserAgent(override);
725 entry->set_transferred_global_request_id(
726 params.transferred_global_request_id);
[email protected]d1ef81d2012-07-24 11:39:36727
clamy8451aa62015-01-23 16:56:08728#if defined(OS_ANDROID)
729 if (params.intent_received_timestamp > 0) {
730 entry->set_intent_received_timestamp(
731 base::TimeTicks() +
732 base::TimeDelta::FromMilliseconds(params.intent_received_timestamp));
733 }
734#endif
735
[email protected]cf002332012-08-14 19:17:47736 switch (params.load_type) {
737 case LOAD_TYPE_DEFAULT:
738 break;
739 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
740 entry->SetHasPostData(true);
741 entry->SetBrowserInitiatedPostData(
[email protected]fc72bb12013-06-02 21:13:46742 params.browser_initiated_post_data.get());
[email protected]cf002332012-08-14 19:17:47743 break;
744 case LOAD_TYPE_DATA:
745 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
746 entry->SetVirtualURL(params.virtual_url_for_data_url);
[email protected]951a64832012-10-11 16:26:37747 entry->SetCanLoadLocalResources(params.can_load_local_resources);
[email protected]cf002332012-08-14 19:17:47748 break;
749 default:
750 NOTREACHED();
751 break;
752 };
[email protected]132e281a2012-07-31 18:32:44753
754 LoadEntry(entry);
755}
756
[email protected]d202a7c2012-01-04 07:53:47757bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32758 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22759 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]8ff00d72012-10-23 19:12:21760 LoadCommittedDetails* details) {
[email protected]cd2e15742013-03-08 04:08:31761 is_initial_navigation_ = false;
762
[email protected]0e8db942008-09-24 21:21:48763 // Save the previous state before we clobber it.
764 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51765 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55766 details->previous_entry_index = GetLastCommittedEntryIndex();
[email protected]0e8db942008-09-24 21:21:48767 } else {
768 details->previous_url = GURL();
769 details->previous_entry_index = -1;
770 }
[email protected]ecd9d8702008-08-28 22:10:17771
[email protected]77362eb2011-08-01 17:18:38772 // If we have a pending entry at this point, it should have a SiteInstance.
773 // Restored entries start out with a null SiteInstance, but we should have
774 // assigned one in NavigateToPendingEntry.
775 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance());
[email protected]e9ba4472008-09-14 15:42:43776
[email protected]bcd904482012-02-01 01:54:22777 // If we are doing a cross-site reload, we need to replace the existing
778 // navigation entry, not add another entry to the history. This has the side
avi45a72532015-04-07 21:01:45779 // effect of removing forward browsing history, if such existed. Or if we are
780 // doing a cross-site redirect navigation, we will do a similar thing.
781 //
782 // If this is an error load, we may have already removed the pending entry
783 // when we got the notice of the load failure. If so, look at the copy of the
784 // pending parameters that were saved.
785 if (params.url_is_unreachable && failed_pending_entry_id_ != 0) {
786 details->did_replace_entry = failed_pending_entry_should_replace_;
787 } else {
788 details->did_replace_entry = pending_entry_ &&
789 pending_entry_->should_replace_entry();
790 }
[email protected]bcd904482012-02-01 01:54:22791
[email protected]e9ba4472008-09-14 15:42:43792 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:43793 details->type = ClassifyNavigation(rfh, params);
avi98405c22015-05-21 20:47:06794 NavigationType new_type = ClassifyNavigationWithoutPageID(rfh, params);
avi98405c22015-05-21 20:47:06795 bool ignore_mismatch = false;
796 // There are disagreements on some Android bots over SAME_PAGE between the two
797 // classifiers so ignore disagreements if that's the case.
798 ignore_mismatch |= details->type == NAVIGATION_TYPE_EXISTING_PAGE &&
799 new_type == NAVIGATION_TYPE_SAME_PAGE;
800 ignore_mismatch |= details->type == NAVIGATION_TYPE_SAME_PAGE &&
801 new_type == NAVIGATION_TYPE_EXISTING_PAGE;
avi22afe872015-05-28 20:55:19802 // There are mismatches in the field where the new classifier thinks it's
803 // AUTO_SUBFRAME and the old classifier somehow thinks it's NEW or IGNORE. For
804 // IGNORE we know of at least one repro (https://crbug.com/492875), and for
805 // NEW it's not entirely clear what's going on, but we're pretty sure the new
806 // classifier is correct for both cases, so we're letting these mismatches go.
807 ignore_mismatch |= details->type == NAVIGATION_TYPE_NEW_SUBFRAME &&
808 new_type == NAVIGATION_TYPE_AUTO_SUBFRAME;
809 ignore_mismatch |= details->type == NAVIGATION_TYPE_NAV_IGNORE &&
810 new_type == NAVIGATION_TYPE_AUTO_SUBFRAME;
avi98405c22015-05-21 20:47:06811 if (base::CommandLine::ForCurrentProcess()->HasSwitch(
812 switches::kSitePerProcess)) {
creis3cdc3b02015-05-29 23:00:47813 // We know that the old classifier is wrong for OOPIFs, so use the new one
814 // in --site-per-process mode.
815 details->type = new_type;
816 ignore_mismatch = true;
avi98405c22015-05-21 20:47:06817 }
818 if (!ignore_mismatch) {
avib1986b12015-06-11 20:21:23819 DCHECK_EQ(details->type, new_type);
avi7c6f35e2015-05-08 17:52:38820 }
[email protected]4bf3522c2010-08-19 21:00:20821
[email protected]b9d4dfdc2013-08-08 00:25:12822 // is_in_page must be computed before the entry gets committed.
avidb7d1d22015-06-08 21:21:50823 details->is_in_page = IsURLInPageNavigation(
[email protected]5cfbddc2014-06-23 23:52:23824 params.url, params.was_within_same_page, rfh);
[email protected]b9d4dfdc2013-08-08 00:25:12825
[email protected]0e8db942008-09-24 21:21:48826 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:21827 case NAVIGATION_TYPE_NEW_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43828 RendererDidNavigateToNewPage(rfh, params, details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43829 break;
[email protected]8ff00d72012-10-23 19:12:21830 case NAVIGATION_TYPE_EXISTING_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43831 RendererDidNavigateToExistingPage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43832 break;
[email protected]8ff00d72012-10-23 19:12:21833 case NAVIGATION_TYPE_SAME_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43834 RendererDidNavigateToSamePage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43835 break;
[email protected]8ff00d72012-10-23 19:12:21836 case NAVIGATION_TYPE_IN_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43837 RendererDidNavigateInPage(rfh, params, &details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43838 break;
[email protected]8ff00d72012-10-23 19:12:21839 case NAVIGATION_TYPE_NEW_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43840 RendererDidNavigateNewSubframe(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43841 break;
[email protected]8ff00d72012-10-23 19:12:21842 case NAVIGATION_TYPE_AUTO_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43843 if (!RendererDidNavigateAutoSubframe(rfh, params))
[email protected]e9ba4472008-09-14 15:42:43844 return false;
845 break;
[email protected]8ff00d72012-10-23 19:12:21846 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:49847 // If a pending navigation was in progress, this canceled it. We should
848 // discard it and make sure it is removed from the URL bar. After that,
849 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:43850 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:49851 if (pending_entry_) {
852 DiscardNonCommittedEntries();
[email protected]ec6c05f2013-10-23 18:41:57853 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:49854 }
[email protected]e9ba4472008-09-14 15:42:43855 return false;
856 default:
857 NOTREACHED();
[email protected]765b35502008-08-21 00:51:20858 }
859
[email protected]688aa65c62012-09-28 04:32:22860 // At this point, we know that the navigation has just completed, so
861 // record the time.
862 //
863 // TODO(akalin): Use "sane time" as described in
864 // http://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:33865 base::Time timestamp =
866 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
867 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:22868 << timestamp.ToInternalValue();
869
[email protected]f233e4232013-02-23 00:55:14870 // We should not have a pending entry anymore. Clear it again in case any
871 // error cases above forgot to do so.
872 DiscardNonCommittedEntriesInternal();
873
[email protected]e9ba4472008-09-14 15:42:43874 // All committed entries should have nonempty content state so WebKit doesn't
875 // get confused when we go back to them (see the function for details).
[email protected]691aa2f2013-05-28 22:52:04876 DCHECK(params.page_state.IsValid());
creis3da03872015-02-20 21:12:32877 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:22878 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:44879 active_entry->SetHttpStatusCode(params.http_status_code);
creis44a0941b2015-06-07 03:37:02880 // TODO(creis): Do this on the frame entry instead, once we have them for
881 // manual subframe navigations in --site-per-process.
[email protected]691aa2f2013-05-28 22:52:04882 active_entry->SetPageState(params.page_state);
[email protected]c1982ff2014-04-23 03:37:21883 active_entry->SetRedirectChain(params.redirects);
[email protected]132e281a2012-07-31 18:32:44884
[email protected]d6def3d2014-05-19 18:55:32885 // Use histogram to track memory impact of redirect chain because it's now
886 // not cleared for committed entries.
887 size_t redirect_chain_size = 0;
888 for (size_t i = 0; i < params.redirects.size(); ++i) {
889 redirect_chain_size += params.redirects[i].spec().length();
890 }
891 UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size);
892
[email protected]97d8f0d2013-10-29 16:49:21893 // Once it is committed, we no longer need to track several pieces of state on
894 // the entry.
895 active_entry->ResetForCommit();
[email protected]60d6cca2013-04-30 08:47:13896
[email protected]49bd30e62011-03-22 20:12:59897 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:22898 // TODO(creis): This check won't pass for subframes until we create entries
899 // for subframe navigations.
avi39c1edd32015-06-04 20:06:00900 if (!rfh->GetParent())
[email protected]27dd82fd2014-03-03 22:11:43901 CHECK(active_entry->site_instance() == rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:59902
[email protected]b26de072013-02-23 02:33:44903 // Remember the bindings the renderer process has at this point, so that
904 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:32905 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:44906
[email protected]e9ba4472008-09-14 15:42:43907 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:00908 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:00909 details->is_main_frame = !rfh->GetParent();
[email protected]f072d2ce2008-09-17 17:16:24910 details->serialized_security_info = params.security_info;
[email protected]2e39d2e2009-02-19 18:41:31911 details->http_status_code = params.http_status_code;
[email protected]93f230e02011-06-01 14:40:00912 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:29913
[email protected]e9ba4472008-09-14 15:42:43914 return true;
initial.commit09911bf2008-07-26 23:55:29915}
916
[email protected]8ff00d72012-10-23 19:12:21917NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:32918 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22919 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const {
avi98405c22015-05-21 20:47:06920 if (params.page_id == -1) {
[email protected]eef9de32009-09-23 17:19:46921 // The renderer generates the page IDs, and so if it gives us the invalid
922 // page ID (-1) we know it didn't actually navigate. This happens in a few
923 // cases:
924 //
925 // - If a page makes a popup navigated to about blank, and then writes
926 // stuff like a subframe navigated to a real page. We'll get the commit
927 // for the subframe, but there won't be any commit for the outer page.
928 //
929 // - We were also getting these for failed loads (for example, bug 21849).
930 // The guess is that we get a "load commit" for the alternate error page,
931 // but that doesn't affect the page ID, so we get the "old" one, which
932 // could be invalid. This can also happen for a cross-site transition
933 // that causes us to swap processes. Then the error page load will be in
934 // a new process with no page IDs ever assigned (and hence a -1 value),
935 // yet the navigation controller still might have previous pages in its
936 // list.
937 //
938 // In these cases, there's nothing we can do with them, so ignore.
[email protected]8ff00d72012-10-23 19:12:21939 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:43940 }
941
[email protected]a1b99262013-12-27 21:56:22942 if (params.page_id > delegate_->GetMaxPageIDForSiteInstance(
[email protected]27dd82fd2014-03-03 22:11:43943 rfh->GetSiteInstance())) {
[email protected]e9ba4472008-09-14 15:42:43944 // Greater page IDs than we've ever seen before are new pages. We may or may
945 // not have a pending entry for the page, and this may or may not be the
946 // main frame.
avi39c1edd32015-06-04 20:06:00947 if (!rfh->GetParent())
[email protected]8ff00d72012-10-23 19:12:21948 return NAVIGATION_TYPE_NEW_PAGE;
[email protected]4c27ba82008-09-24 16:49:09949
950 // When this is a new subframe navigation, we should have a committed page
951 // for which it's a suframe in. This may not be the case when an iframe is
952 // navigated on a popup navigated to about:blank (the iframe would be
953 // written into the popup by script on the main page). For these cases,
954 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:23955 if (!GetLastCommittedEntry())
[email protected]8ff00d72012-10-23 19:12:21956 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]4c27ba82008-09-24 16:49:09957
958 // Valid subframe navigation.
[email protected]8ff00d72012-10-23 19:12:21959 return NAVIGATION_TYPE_NEW_SUBFRAME;
[email protected]e9ba4472008-09-14 15:42:43960 }
961
[email protected]60d6cca2013-04-30 08:47:13962 // We only clear the session history when navigating to a new page.
963 DCHECK(!params.history_list_was_cleared);
964
[email protected]e9ba4472008-09-14 15:42:43965 // Now we know that the notification is for an existing page. Find that entry.
966 int existing_entry_index = GetEntryIndexWithPageID(
[email protected]27dd82fd2014-03-03 22:11:43967 rfh->GetSiteInstance(),
[email protected]e9ba4472008-09-14 15:42:43968 params.page_id);
969 if (existing_entry_index == -1) {
970 // The page was not found. It could have been pruned because of the limit on
971 // back/forward entries (not likely since we'll usually tell it to navigate
972 // to such entries). It could also mean that the renderer is smoking crack.
973 NOTREACHED();
[email protected]485e8232011-07-24 18:03:46974
975 // Because the unknown entry has committed, we risk showing the wrong URL in
976 // release builds. Instead, we'll kill the renderer process to be safe.
977 LOG(ERROR) << "terminating renderer for bad navigation: " << params.url;
[email protected]e6e30ac2014-01-13 21:24:39978 RecordAction(base::UserMetricsAction("BadMessageTerminate_NC"));
[email protected]b69934e2011-10-29 02:51:52979
[email protected]7ec6f382011-11-11 01:28:17980 // Temporary code so we can get more information. Format:
[email protected]8c380582011-12-02 03:16:10981 // http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2
982 std::string temp = params.url.spec();
[email protected]7ec6f382011-11-11 01:28:17983 temp.append("#page");
[email protected]b69934e2011-10-29 02:51:52984 temp.append(base::IntToString(params.page_id));
[email protected]7ec6f382011-11-11 01:28:17985 temp.append("#max");
[email protected]ec6c05f2013-10-23 18:41:57986 temp.append(base::IntToString(delegate_->GetMaxPageID()));
[email protected]7ec6f382011-11-11 01:28:17987 temp.append("#frame");
[email protected]27dd82fd2014-03-03 22:11:43988 temp.append(base::IntToString(rfh->GetRoutingID()));
[email protected]7ec6f382011-11-11 01:28:17989 temp.append("#ids");
990 for (int i = 0; i < static_cast<int>(entries_.size()); ++i) {
[email protected]8c380582011-12-02 03:16:10991 // Append entry metadata (e.g., 3_7x):
992 // 3: page_id
993 // 7: SiteInstance ID, or N for null
994 // x: appended if not from the current SiteInstance
[email protected]36fc0392011-12-25 03:59:51995 temp.append(base::IntToString(entries_[i]->GetPageID()));
[email protected]8c380582011-12-02 03:16:10996 temp.append("_");
997 if (entries_[i]->site_instance())
[email protected]b6583592012-01-25 19:52:33998 temp.append(base::IntToString(entries_[i]->site_instance()->GetId()));
[email protected]7ec6f382011-11-11 01:28:17999 else
[email protected]8c380582011-12-02 03:16:101000 temp.append("N");
[email protected]27dd82fd2014-03-03 22:11:431001 if (entries_[i]->site_instance() != rfh->GetSiteInstance())
[email protected]7ec6f382011-11-11 01:28:171002 temp.append("x");
1003 temp.append(",");
[email protected]b69934e2011-10-29 02:51:521004 }
1005 GURL url(temp);
creis3da03872015-02-20 21:12:321006 rfh->render_view_host()->Send(new ViewMsg_TempCrashWithData(url));
[email protected]8ff00d72012-10-23 19:12:211007 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:431008 }
[email protected]10f417c52011-12-28 21:04:231009 NavigationEntryImpl* existing_entry = entries_[existing_entry_index].get();
[email protected]e9ba4472008-09-14 15:42:431010
avi39c1edd32015-06-04 20:06:001011 if (rfh->GetParent()) {
[email protected]e6035c22010-05-25 16:15:521012 // All manual subframes would get new IDs and were handled above, so we
1013 // know this is auto. Since the current page was found in the navigation
1014 // entry list, we're guaranteed to have a last committed entry.
1015 DCHECK(GetLastCommittedEntry());
[email protected]8ff00d72012-10-23 19:12:211016 return NAVIGATION_TYPE_AUTO_SUBFRAME;
[email protected]e6035c22010-05-25 16:15:521017 }
1018
1019 // Anything below here we know is a main frame navigation.
[email protected]e9ba4472008-09-14 15:42:431020 if (pending_entry_ &&
[email protected]59167c22013-06-03 18:07:321021 !pending_entry_->is_renderer_initiated() &&
[email protected]e9ba4472008-09-14 15:42:431022 existing_entry != pending_entry_ &&
[email protected]36fc0392011-12-25 03:59:511023 pending_entry_->GetPageID() == -1 &&
avida96ccb12015-05-01 22:46:571024 existing_entry == GetLastCommittedEntry() &&
avi7c6f35e2015-05-08 17:52:381025 !params.was_within_same_page) {
1026 // In order to prevent unrelated pending entries from interfering with
1027 // this classification, make sure that the URL committed matches the URLs
1028 // of both the existing entry and the pending entry. There might have been
1029 // a redirection, though, so allow both the existing and pending entries
1030 // to match either the final URL that committed, or the original one
1031 // before redirection.
1032 GURL original_url;
1033 if (params.redirects.size())
1034 original_url = params.redirects[0];
1035
1036 if ((params.url == existing_entry->GetURL() ||
1037 original_url == existing_entry->GetURL()) &&
1038 (params.url == pending_entry_->GetURL() ||
1039 original_url == pending_entry_->GetURL())) {
1040 // In this case, we have a pending entry for a URL but Blink didn't do a
1041 // new navigation. This happens when you press enter in the URL bar to
1042 // reload. We will create a pending entry, but Blink will convert it to a
1043 // reload since it's the same page and not create a new entry for it (the
1044 // user doesn't want to have a new back/forward entry when they do this).
1045 // If this matches the last committed entry, we want to just ignore the
1046 // pending entry and go back to where we were (the "existing entry").
1047 return NAVIGATION_TYPE_SAME_PAGE;
1048 }
[email protected]e9ba4472008-09-14 15:42:431049 }
1050
[email protected]fc60f222008-12-18 17:36:541051 // Any toplevel navigations with the same base (minus the reference fragment)
1052 // are in-page navigations. We weeded out subframe navigations above. Most of
1053 // the time this doesn't matter since WebKit doesn't tell us about subframe
1054 // navigations that don't actually navigate, but it can happen when there is
1055 // an encoding override (it always sends a navigation request).
avidb7d1d22015-06-08 21:21:501056 if (IsURLInPageNavigation(params.url, params.was_within_same_page, rfh))
[email protected]8ff00d72012-10-23 19:12:211057 return NAVIGATION_TYPE_IN_PAGE;
[email protected]fc60f222008-12-18 17:36:541058
[email protected]e9ba4472008-09-14 15:42:431059 // Since we weeded out "new" navigations above, we know this is an existing
[email protected]4c27ba82008-09-24 16:49:091060 // (back/forward) navigation.
[email protected]8ff00d72012-10-23 19:12:211061 return NAVIGATION_TYPE_EXISTING_PAGE;
[email protected]e9ba4472008-09-14 15:42:431062}
1063
avi7c6f35e2015-05-08 17:52:381064NavigationType NavigationControllerImpl::ClassifyNavigationWithoutPageID(
1065 RenderFrameHostImpl* rfh,
1066 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const {
1067 if (params.did_create_new_entry) {
1068 // A new entry. We may or may not have a pending entry for the page, and
1069 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:001070 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381071 return NAVIGATION_TYPE_NEW_PAGE;
1072 }
1073
1074 // When this is a new subframe navigation, we should have a committed page
1075 // in which it's a subframe. This may not be the case when an iframe is
1076 // navigated on a popup navigated to about:blank (the iframe would be
1077 // written into the popup by script on the main page). For these cases,
1078 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:231079 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:381080 return NAVIGATION_TYPE_NAV_IGNORE;
avi7c6f35e2015-05-08 17:52:381081
1082 // Valid subframe navigation.
1083 return NAVIGATION_TYPE_NEW_SUBFRAME;
1084 }
1085
1086 // We only clear the session history when navigating to a new page.
1087 DCHECK(!params.history_list_was_cleared);
1088
avi39c1edd32015-06-04 20:06:001089 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381090 // All manual subframes would be did_create_new_entry and handled above, so
1091 // we know this is auto.
1092 if (GetLastCommittedEntry()) {
1093 return NAVIGATION_TYPE_AUTO_SUBFRAME;
1094 } else {
1095 // We ignore subframes created in non-committed pages; we'd appreciate if
1096 // people stopped doing that.
avi7c6f35e2015-05-08 17:52:381097 return NAVIGATION_TYPE_NAV_IGNORE;
1098 }
1099 }
1100
1101 if (params.nav_entry_id == 0) {
1102 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1103 // create a new page.
1104
1105 // Just like above in the did_create_new_entry case, it's possible to
1106 // scribble onto an uncommitted page. Again, there isn't any navigation
1107 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231108 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231109 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381110 return NAVIGATION_TYPE_NAV_IGNORE;
avi7c6f35e2015-05-08 17:52:381111
avidb7d1d22015-06-08 21:21:501112 if (IsURLInPageNavigation(params.url, params.was_within_same_page, rfh)) {
avi7c6f35e2015-05-08 17:52:381113 // This is history.replaceState(), which is renderer-initiated yet within
1114 // the same page.
1115 return NAVIGATION_TYPE_IN_PAGE;
1116 } else {
1117 // This is history.reload() or a client-side redirect.
1118 return NAVIGATION_TYPE_EXISTING_PAGE;
1119 }
1120 }
1121
1122 if (pending_entry_ && pending_entry_index_ == -1 &&
1123 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1124 // In this case, we have a pending entry for a load of a new URL but Blink
1125 // didn't do a new navigation (params.did_create_new_entry). This happens
1126 // when you press enter in the URL bar to reload. We will create a pending
1127 // entry, but Blink will convert it to a reload since it's the same page and
1128 // not create a new entry for it (the user doesn't want to have a new
1129 // back/forward entry when they do this). Therefore we want to just ignore
1130 // the pending entry and go back to where we were (the "existing entry").
1131 return NAVIGATION_TYPE_SAME_PAGE;
1132 }
1133
1134 if (params.intended_as_new_entry) {
1135 // This was intended to be a navigation to a new entry but the pending entry
1136 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1137 // may not have a pending entry.
1138 return NAVIGATION_TYPE_EXISTING_PAGE;
1139 }
1140
1141 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1142 params.nav_entry_id == failed_pending_entry_id_) {
1143 // If the renderer was going to a new pending entry that got cleared because
1144 // of an error, this is the case of the user trying to retry a failed load
1145 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1146 // have a pending entry.
1147 return NAVIGATION_TYPE_EXISTING_PAGE;
1148 }
1149
1150 // Now we know that the notification is for an existing page. Find that entry.
1151 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1152 if (existing_entry_index == -1) {
1153 // The page was not found. It could have been pruned because of the limit on
1154 // back/forward entries (not likely since we'll usually tell it to navigate
1155 // to such entries). It could also mean that the renderer is smoking crack.
1156 // TODO(avi): Crash the renderer like we do in the old ClassifyNavigation?
1157 NOTREACHED() << "Could not find nav entry with id " << params.nav_entry_id;
avi7c6f35e2015-05-08 17:52:381158 return NAVIGATION_TYPE_NAV_IGNORE;
1159 }
1160
1161 // Any top-level navigations with the same base (minus the reference fragment)
1162 // are in-page navigations. (We weeded out subframe navigations above.) Most
1163 // of the time this doesn't matter since Blink doesn't tell us about subframe
1164 // navigations that don't actually navigate, but it can happen when there is
1165 // an encoding override (it always sends a navigation request).
avidb7d1d22015-06-08 21:21:501166 if (IsURLInPageNavigation(params.url, params.was_within_same_page, rfh))
avi7c6f35e2015-05-08 17:52:381167 return NAVIGATION_TYPE_IN_PAGE;
avi7c6f35e2015-05-08 17:52:381168
1169 // Since we weeded out "new" navigations above, we know this is an existing
1170 // (back/forward) navigation.
1171 return NAVIGATION_TYPE_EXISTING_PAGE;
1172}
1173
[email protected]d202a7c2012-01-04 07:53:471174void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321175 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221176 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221177 bool replace_entry) {
[email protected]10f417c52011-12-28 21:04:231178 NavigationEntryImpl* new_entry;
[email protected]f1eb87a2011-05-06 17:49:411179 bool update_virtual_url;
[email protected]6dd86ab2013-02-27 00:30:341180 // Only make a copy of the pending entry if it is appropriate for the new page
1181 // that was just loaded. We verify this at a coarse grain by checking that
1182 // the SiteInstance hasn't been assigned to something else.
1183 if (pending_entry_ &&
1184 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431185 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351186 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431187
[email protected]f1eb87a2011-05-06 17:49:411188 update_virtual_url = new_entry->update_virtual_url_with_url();
[email protected]e9ba4472008-09-14 15:42:431189 } else {
[email protected]10f417c52011-12-28 21:04:231190 new_entry = new NavigationEntryImpl;
[email protected]f8f93eb2012-09-25 03:06:241191
1192 // Find out whether the new entry needs to update its virtual URL on URL
1193 // change and set up the entry accordingly. This is needed to correctly
1194 // update the virtual URL when replaceState is called after a pushState.
1195 GURL url = params.url;
1196 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431197 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1198 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241199 new_entry->set_update_virtual_url_with_url(needs_update);
1200
[email protected]f1eb87a2011-05-06 17:49:411201 // When navigating to a new page, give the browser URL handler a chance to
1202 // update the virtual URL based on the new URL. For example, this is needed
1203 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1204 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241205 update_virtual_url = needs_update;
[email protected]e9ba4472008-09-14 15:42:431206 }
1207
wjmaclean7431bb22015-02-19 14:53:431208 // Don't use the page type from the pending entry. Some interstitial page
1209 // may have set the type to interstitial. Once we commit, however, the page
1210 // type must always be normal or error.
1211 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1212 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041213 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411214 if (update_virtual_url)
[email protected]38178a42009-12-17 18:58:321215 UpdateVirtualURLToURL(new_entry, params.url);
[email protected]022af742011-12-28 18:37:251216 new_entry->SetReferrer(params.referrer);
[email protected]36fc0392011-12-25 03:59:511217 new_entry->SetPageID(params.page_id);
[email protected]022af742011-12-28 18:37:251218 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331219 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431220 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]36fc0392011-12-25 03:59:511221 new_entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051222 new_entry->SetPostID(params.post_id);
[email protected]7c16976c2012-08-04 02:38:231223 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221224 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431225
[email protected]ff64b3e2014-05-31 04:07:331226 // history.pushState() is classified as a navigation to a new page, but
1227 // sets was_within_same_page to true. In this case, we already have the
[email protected]3a868f212014-08-09 10:41:191228 // title and favicon available, so set them immediately.
1229 if (params.was_within_same_page && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331230 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191231 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1232 }
[email protected]ff64b3e2014-05-31 04:07:331233
[email protected]60d6cca2013-04-30 08:47:131234 DCHECK(!params.history_list_was_cleared || !replace_entry);
1235 // The browser requested to clear the session history when it initiated the
1236 // navigation. Now we know that the renderer has updated its state accordingly
1237 // and it is safe to also clear the browser side history.
1238 if (params.history_list_was_cleared) {
1239 DiscardNonCommittedEntriesInternal();
1240 entries_.clear();
1241 last_committed_entry_index_ = -1;
1242 }
1243
[email protected]4ac5fbe2012-09-01 02:19:591244 InsertOrReplaceEntry(new_entry, replace_entry);
[email protected]e9ba4472008-09-14 15:42:431245}
1246
[email protected]d202a7c2012-01-04 07:53:471247void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321248 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221249 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431250 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001251 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431252
1253 // This is a back/forward navigation. The existing page for the ID is
[email protected]4c27ba82008-09-24 16:49:091254 // guaranteed to exist by ClassifyNavigation, and we just need to update it
1255 // with new information from the renderer.
[email protected]27dd82fd2014-03-03 22:11:431256 int entry_index = GetEntryIndexWithPageID(rfh->GetSiteInstance(),
[email protected]7f0005a2009-04-15 03:25:111257 params.page_id);
[email protected]e9ba4472008-09-14 15:42:431258 DCHECK(entry_index >= 0 &&
1259 entry_index < static_cast<int>(entries_.size()));
[email protected]10f417c52011-12-28 21:04:231260 NavigationEntryImpl* entry = entries_[entry_index].get();
[email protected]e9ba4472008-09-14 15:42:431261
[email protected]5ccd4dc2012-10-24 02:28:141262 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431263 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1264 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041265 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201266 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321267 if (entry->update_virtual_url_with_url())
1268 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141269
1270 // The redirected to page should not inherit the favicon from the previous
1271 // page.
Sylvain Defresnec6ccc77d2014-09-19 10:19:351272 if (ui::PageTransitionIsRedirect(params.transition))
[email protected]91a4ff82012-10-29 20:29:481273 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141274
1275 // The site instance will normally be the same except during session restore,
1276 // when no site instance will be assigned.
[email protected]e9ba4472008-09-14 15:42:431277 DCHECK(entry->site_instance() == NULL ||
[email protected]27dd82fd2014-03-03 22:11:431278 entry->site_instance() == rfh->GetSiteInstance());
[email protected]b6583592012-01-25 19:52:331279 entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431280 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]e9ba4472008-09-14 15:42:431281
[email protected]36fc0392011-12-25 03:59:511282 entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051283 entry->SetPostID(params.post_id);
[email protected]d5a49e52010-01-08 03:01:411284
[email protected]e9ba4472008-09-14 15:42:431285 // The entry we found in the list might be pending if the user hit
1286 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591287 // list, we can just discard the pending pointer). We should also discard the
1288 // pending entry if it corresponds to a different navigation, since that one
1289 // is now likely canceled. If it is not canceled, we will treat it as a new
1290 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431291 //
1292 // Note that we need to use the "internal" version since we don't want to
1293 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491294 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391295
[email protected]80858db52009-10-15 00:35:181296 // If a transient entry was removed, the indices might have changed, so we
1297 // have to query the entry index again.
1298 last_committed_entry_index_ =
[email protected]27dd82fd2014-03-03 22:11:431299 GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431300}
1301
[email protected]d202a7c2012-01-04 07:53:471302void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321303 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221304 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431305 // This mode implies we have a pending entry that's the same as an existing
[email protected]4c27ba82008-09-24 16:49:091306 // entry for this page ID. This entry is guaranteed to exist by
1307 // ClassifyNavigation. All we need to do is update the existing entry.
[email protected]10f417c52011-12-28 21:04:231308 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431309 rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431310
1311 // We assign the entry's unique ID to be that of the new one. Since this is
1312 // always the result of a user action, we want to dismiss infobars, etc. like
1313 // a regular user-initiated navigation.
[email protected]36fc0392011-12-25 03:59:511314 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431315
[email protected]a0e69262009-06-03 19:08:481316 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431317 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1318 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321319 if (existing_entry->update_virtual_url_with_url())
1320 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041321 existing_entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201322 existing_entry->SetReferrer(params.referrer);
[email protected]a0e69262009-06-03 19:08:481323
[email protected]b77686522013-12-11 20:34:191324 // The page may have been requested with a different HTTP method.
1325 existing_entry->SetHasPostData(params.is_post);
1326 existing_entry->SetPostID(params.post_id);
1327
[email protected]cbab76d2008-10-13 22:42:471328 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431329}
1330
[email protected]d202a7c2012-01-04 07:53:471331void NavigationControllerImpl::RendererDidNavigateInPage(
creis3da03872015-02-20 21:12:321332 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221333 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221334 bool* did_replace_entry) {
avi39c1edd32015-06-04 20:06:001335 DCHECK(!rfh->GetParent()) <<
1336 "Blink should only tell us about in-page navs for the main frame.";
[email protected]e9ba4472008-09-14 15:42:431337 // We're guaranteed to have an entry for this one.
[email protected]10f417c52011-12-28 21:04:231338 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431339 rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431340
1341 // Reference fragment navigation. We're guaranteed to have the last_committed
1342 // entry and it will be the same page as the new navigation (minus the
[email protected]d466b8a2011-07-15 21:48:031343 // reference fragments, of course). We'll update the URL of the existing
1344 // entry without pruning the forward history.
wjmaclean7431bb22015-02-19 14:53:431345 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1346 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041347 existing_entry->SetURL(params.url);
[email protected]d466b8a2011-07-15 21:48:031348 if (existing_entry->update_virtual_url_with_url())
1349 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ccbe04e2010-03-17 17:58:431350
[email protected]12cef652014-05-31 22:25:151351 existing_entry->SetHasPostData(params.is_post);
1352 existing_entry->SetPostID(params.post_id);
1353
[email protected]ccbe04e2010-03-17 17:58:431354 // This replaces the existing entry since the page ID didn't change.
1355 *did_replace_entry = true;
[email protected]d466b8a2011-07-15 21:48:031356
[email protected]6eebaab2012-11-15 04:39:491357 DiscardNonCommittedEntriesInternal();
[email protected]d466b8a2011-07-15 21:48:031358
1359 // If a transient entry was removed, the indices might have changed, so we
1360 // have to query the entry index again.
1361 last_committed_entry_index_ =
[email protected]27dd82fd2014-03-03 22:11:431362 GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431363}
1364
[email protected]d202a7c2012-01-04 07:53:471365void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321366 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221367 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291368 if (!ui::PageTransitionCoreTypeIs(params.transition,
1369 ui::PAGE_TRANSITION_MANUAL_SUBFRAME)) {
1370 // There was a comment here that said, "This is not user-initiated. Ignore."
1371 // But this makes no sense; non-user-initiated navigations should be
1372 // determined to be of type NAVIGATION_TYPE_AUTO_SUBFRAME and sent to
1373 // RendererDidNavigateAutoSubframe below.
1374 //
1375 // This if clause dates back to https://codereview.chromium.org/115919 and
1376 // the handling of immediate redirects. TODO(avi): Is this still valid? I'm
1377 // pretty sure that's there's nothing left of that code and that we should
1378 // take this out.
1379 //
1380 // Except for cross-process iframes; this doesn't work yet for them.
1381 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
1382 switches::kSitePerProcess)) {
1383 NOTREACHED();
1384 }
1385
[email protected]f233e4232013-02-23 00:55:141386 DiscardNonCommittedEntriesInternal();
[email protected]09b8f82f2009-06-16 20:22:111387 return;
1388 }
[email protected]09b8f82f2009-06-16 20:22:111389
[email protected]e9ba4472008-09-14 15:42:431390 // Manual subframe navigations just get the current entry cloned so the user
1391 // can go back or forward to it. The actual subframe information will be
1392 // stored in the page state for each of those entries. This happens out of
1393 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091394 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1395 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381396
1397 NavigationEntryImpl* new_entry = nullptr;
1398 if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1399 switches::kSitePerProcess)) {
1400 // Make sure new_entry takes ownership of frame_entry in a scoped_refptr.
1401 FrameNavigationEntry* frame_entry = new FrameNavigationEntry(
1402 rfh->frame_tree_node()->frame_tree_node_id(), rfh->GetSiteInstance(),
1403 params.url, params.referrer);
1404 new_entry = GetLastCommittedEntry()->CloneAndReplace(rfh->frame_tree_node(),
1405 frame_entry);
1406 CHECK(frame_entry->HasOneRef());
1407 } else {
1408 new_entry = GetLastCommittedEntry()->Clone();
1409 }
1410
[email protected]36fc0392011-12-25 03:59:511411 new_entry->SetPageID(params.page_id);
[email protected]672eba292009-05-13 13:22:451412 InsertOrReplaceEntry(new_entry, false);
[email protected]e9ba4472008-09-14 15:42:431413}
1414
[email protected]d202a7c2012-01-04 07:53:471415bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321416 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221417 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291418 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1419 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1420
[email protected]e9ba4472008-09-14 15:42:431421 // We're guaranteed to have a previously committed entry, and we now need to
1422 // handle navigation inside of a subframe in it without creating a new entry.
1423 DCHECK(GetLastCommittedEntry());
1424
avi98405c22015-05-21 20:47:061425 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511426 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
caitkp420384c62015-05-28 14:34:511427
creis3cdc3b02015-05-29 23:00:471428 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1429 // a history auto" navigation. Update the last committed index accordingly.
1430 // If we don't recognize the |nav_entry_id|, it might be either a pending
1431 // entry for a transfer or a recently pruned entry. We'll handle it below.
1432 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061433 // Make sure that a subframe commit isn't changing the main frame's
1434 // origin. Otherwise the renderer process may be confused, leading to a
1435 // URL spoof. We can't check the path since that may change
1436 // (https://crbug.com/373041).
1437 if (GetLastCommittedEntry()->GetURL().GetOrigin() !=
1438 GetEntryAtIndex(entry_index)->GetURL().GetOrigin()) {
1439 // TODO(creis): This is unexpectedly being encountered in practice. If
1440 // you encounter this in practice, please post details to
1441 // https://crbug.com/486916. Once that's resolved, we'll change this to
1442 // kill the renderer process with bad_message::NC_AUTO_SUBFRAME.
1443 NOTREACHED() << "Unexpected main frame origin change on AUTO_SUBFRAME.";
1444 }
creis3cdc3b02015-05-29 23:00:471445
1446 // TODO(creis): Update the FrameNavigationEntry in --site-per-process.
avi98405c22015-05-21 20:47:061447 last_committed_entry_index_ = entry_index;
1448 DiscardNonCommittedEntriesInternal();
1449 return true;
1450 }
[email protected]e9ba4472008-09-14 15:42:431451 }
[email protected]f233e4232013-02-23 00:55:141452
creis625a0c7d2015-03-24 23:17:121453 if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1454 switches::kSitePerProcess)) {
1455 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1456 // it may be a "history auto" case where we update an existing one.
creis625a0c7d2015-03-24 23:17:121457 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
creis6da51f962015-05-14 19:57:251458 last_committed->AddOrUpdateFrameEntry(rfh->frame_tree_node(),
1459 rfh->GetSiteInstance(), params.url,
creis44a0941b2015-06-07 03:37:021460 params.referrer, params.page_state);
creis3cdc3b02015-05-29 23:00:471461
1462 // Cross-process subframe navigations may leave a pending entry around.
creisefbbbb52015-06-01 19:28:541463 // Clear it if it's actually for the subframe.
creis3cdc3b02015-05-29 23:00:471464 // TODO(creis): Don't use pending entries for subframe navigations.
creisefbbbb52015-06-01 19:28:541465 // See https://crbug.com/495161.
1466 if (pending_entry_ &&
1467 pending_entry_->frame_tree_node_id() ==
1468 rfh->frame_tree_node()->frame_tree_node_id()) {
1469 DiscardPendingEntry(false);
1470 }
creis625a0c7d2015-03-24 23:17:121471 }
1472
[email protected]f233e4232013-02-23 00:55:141473 // We do not need to discard the pending entry in this case, since we will
1474 // not generate commit notifications for this auto-subframe navigation.
[email protected]e9ba4472008-09-14 15:42:431475 return false;
1476}
1477
[email protected]d202a7c2012-01-04 07:53:471478int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231479 const NavigationEntryImpl* entry) const {
[email protected]765b35502008-08-21 00:51:201480 const NavigationEntries::const_iterator i(std::find(
1481 entries_.begin(),
1482 entries_.end(),
1483 entry));
1484 return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin());
1485}
1486
avidb7d1d22015-06-08 21:21:501487// There are two general cases where a navigation is "in page":
1488// 1. A fragment navigation, in which the url is kept the same except for the
1489// reference fragment.
1490// 2. A history API navigation (pushState and replaceState). This case is
1491// always in-page, but the urls are not guaranteed to match excluding the
1492// fragment. The relevant spec allows pushState/replaceState to any URL on
1493// the same origin.
1494// However, due to reloads, even identical urls are *not* guaranteed to be
1495// in-page navigations, we have to trust the renderer almost entirely.
1496// The one thing we do know is that cross-origin navigations will *never* be
1497// in-page. Therefore, trust the renderer if the URLs are on the same origin,
1498// and assume the renderer is malicious if a cross-origin navigation claims to
1499// be in-page.
[email protected]ce760d742012-08-30 22:31:101500bool NavigationControllerImpl::IsURLInPageNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121501 const GURL& url,
1502 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:231503 RenderFrameHost* rfh) const {
avidb7d1d22015-06-08 21:21:501504 GURL last_committed_url;
1505 if (rfh->GetParent()) {
1506 last_committed_url = rfh->GetLastCommittedURL();
1507 } else {
1508 NavigationEntry* last_committed = GetLastCommittedEntry();
1509 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1510 // might Blink say that a navigation is in-page yet there be no last-
1511 // committed entry?
1512 if (!last_committed)
1513 return false;
1514 last_committed_url = last_committed->GetURL();
1515 }
1516
1517 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
1518 bool is_same_origin = last_committed_url.is_empty() ||
1519 // TODO(japhet): We should only permit navigations
1520 // originating from about:blank to be in-page if the
1521 // about:blank is the first document that frame loaded.
1522 // We don't have sufficient information to identify
1523 // that case at the moment, so always allow about:blank
1524 // for now.
1525 last_committed_url == GURL(url::kAboutBlankURL) ||
1526 last_committed_url.GetOrigin() == url.GetOrigin() ||
1527 !prefs.web_security_enabled ||
1528 (prefs.allow_universal_access_from_file_urls &&
1529 last_committed_url.SchemeIs(url::kFileScheme));
1530 if (!is_same_origin && renderer_says_in_page) {
1531 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1532 bad_message::NC_IN_PAGE_NAVIGATION);
1533 }
1534 return is_same_origin && renderer_says_in_page;
[email protected]e9ba4472008-09-14 15:42:431535}
1536
[email protected]d202a7c2012-01-04 07:53:471537void NavigationControllerImpl::CopyStateFrom(
[email protected]c5eed492012-01-04 17:07:501538 const NavigationController& temp) {
[email protected]d202a7c2012-01-04 07:53:471539 const NavigationControllerImpl& source =
1540 static_cast<const NavigationControllerImpl&>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571541 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551542 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571543
[email protected]a26023822011-12-29 00:23:551544 if (source.GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571545 return; // Nothing new to do.
1546
1547 needs_reload_ = true;
[email protected]a26023822011-12-29 00:23:551548 InsertEntriesFrom(source, source.GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571549
[email protected]fdac6ade2013-07-20 01:06:301550 for (SessionStorageNamespaceMap::const_iterator it =
1551 source.session_storage_namespace_map_.begin();
1552 it != source.session_storage_namespace_map_.end();
1553 ++it) {
1554 SessionStorageNamespaceImpl* source_namespace =
1555 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1556 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1557 }
[email protected]4e6419c2010-01-15 04:50:341558
[email protected]2ca1ea662012-10-04 02:26:361559 FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION);
[email protected]91854cd2012-01-10 19:43:571560
1561 // Copy the max page id map from the old tab to the new tab. This ensures
1562 // that new and existing navigations in the tab's current SiteInstances
1563 // are identified properly.
[email protected]ec6c05f2013-10-23 18:41:571564 delegate_->CopyMaxPageIDsFrom(source.delegate()->GetWebContents());
[email protected]ce3fa3c2009-04-20 19:55:571565}
1566
[email protected]d202a7c2012-01-04 07:53:471567void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571568 NavigationController* temp,
1569 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161570 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011571 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161572
[email protected]d202a7c2012-01-04 07:53:471573 NavigationControllerImpl* source =
1574 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251575
avi2b177592014-12-10 02:08:021576 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011577 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251578
[email protected]474f8512013-05-31 22:31:161579 // We now have one entry, possibly with a new pending entry. Ensure that
1580 // adding the entries from source won't put us over the limit.
1581 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571582 if (!replace_entry)
1583 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251584
[email protected]47e020a2010-10-15 14:43:371585 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021586 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161587 // since it has not committed in source.
1588 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251589 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551590 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251591 else
1592 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571593
1594 // Ignore the source's current entry if merging with replacement.
1595 // TODO(davidben): This should preserve entries forward of the current
1596 // too. http://crbug.com/317872
1597 if (replace_entry && max_source_index > 0)
1598 max_source_index--;
1599
[email protected]47e020a2010-10-15 14:43:371600 InsertEntriesFrom(*source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251601
1602 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551603 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141604
avi2b177592014-12-10 02:08:021605 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1606 GetEntryCount());
[email protected]91854cd2012-01-10 19:43:571607
avi2b177592014-12-10 02:08:021608 // Copy the max page id map from the old tab to the new tab. This ensures that
1609 // new and existing navigations in the tab's current SiteInstances are
1610 // identified properly.
creis3da03872015-02-20 21:12:321611 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
avi2b177592014-12-10 02:08:021612 int32 site_max_page_id =
1613 delegate_->GetMaxPageIDForSiteInstance(last_committed->site_instance());
[email protected]ec6c05f2013-10-23 18:41:571614 delegate_->CopyMaxPageIDsFrom(source->delegate()->GetWebContents());
avi2b177592014-12-10 02:08:021615 delegate_->UpdateMaxPageIDForSiteInstance(last_committed->site_instance(),
1616 site_max_page_id);
[email protected]f69ed362014-04-28 14:01:421617 max_restored_page_id_ = source->max_restored_page_id_;
[email protected]e1cd5452010-08-26 18:03:251618}
1619
[email protected]79368982013-11-13 01:11:011620bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161621 // If there is no last committed entry, we cannot prune. Even if there is a
1622 // pending entry, it may not commit, leaving this WebContents blank, despite
1623 // possibly giving it new entries via CopyStateFromAndPrune.
1624 if (last_committed_entry_index_ == -1)
1625 return false;
[email protected]9350602e2013-02-26 23:27:441626
[email protected]474f8512013-05-31 22:31:161627 // We cannot prune if there is a pending entry at an existing entry index.
1628 // It may not commit, so we have to keep the last committed entry, and thus
1629 // there is no sensible place to keep the pending entry. It is ok to have
1630 // a new pending entry, which can optionally commit as a new navigation.
1631 if (pending_entry_index_ != -1)
1632 return false;
1633
1634 // We should not prune if we are currently showing a transient entry.
1635 if (transient_entry_index_ != -1)
1636 return false;
1637
1638 return true;
1639}
1640
[email protected]79368982013-11-13 01:11:011641void NavigationControllerImpl::PruneAllButLastCommitted() {
1642 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161643
avi2b177592014-12-10 02:08:021644 DCHECK_EQ(0, last_committed_entry_index_);
1645 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441646
avi2b177592014-12-10 02:08:021647 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1648 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441649}
1650
[email protected]79368982013-11-13 01:11:011651void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161652 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011653 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261654
[email protected]474f8512013-05-31 22:31:161655 // Erase all entries but the last committed entry. There may still be a
1656 // new pending entry after this.
1657 entries_.erase(entries_.begin(),
1658 entries_.begin() + last_committed_entry_index_);
1659 entries_.erase(entries_.begin() + 1, entries_.end());
1660 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261661}
1662
[email protected]15f46dc2013-01-24 05:40:241663void NavigationControllerImpl::ClearAllScreenshots() {
[email protected]1a3f5312013-04-26 21:00:101664 screenshot_manager_->ClearAllScreenshots();
[email protected]15f46dc2013-01-24 05:40:241665}
1666
[email protected]d1198fd2012-08-13 22:50:191667void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:301668 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:211669 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:191670 if (!session_storage_namespace)
1671 return;
1672
1673 // We can't overwrite an existing SessionStorage without violating spec.
1674 // Attempts to do so may give a tab access to another tab's session storage
1675 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:301676 bool successful_insert = session_storage_namespace_map_.insert(
1677 make_pair(partition_id,
1678 static_cast<SessionStorageNamespaceImpl*>(
1679 session_storage_namespace)))
1680 .second;
1681 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:191682}
1683
[email protected]d202a7c2012-01-04 07:53:471684void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) {
[email protected]71fde352011-12-29 03:29:561685 max_restored_page_id_ = max_id;
1686}
1687
[email protected]d202a7c2012-01-04 07:53:471688int32 NavigationControllerImpl::GetMaxRestoredPageID() const {
[email protected]71fde352011-12-29 03:29:561689 return max_restored_page_id_;
[email protected]a26023822011-12-29 00:23:551690}
1691
[email protected]aa62afd2014-04-22 19:22:461692bool NavigationControllerImpl::IsUnmodifiedBlankTab() const {
[email protected]aa62afd2014-04-22 19:22:461693 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:101694 !GetLastCommittedEntry() &&
1695 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:461696}
1697
[email protected]a26023822011-12-29 00:23:551698SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:301699NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
1700 std::string partition_id;
1701 if (instance) {
1702 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
1703 // this if statement so |instance| must not be NULL.
1704 partition_id =
1705 GetContentClient()->browser()->GetStoragePartitionIdForSite(
1706 browser_context_, instance->GetSiteURL());
1707 }
[email protected]d1198fd2012-08-13 22:50:191708
[email protected]fdac6ade2013-07-20 01:06:301709 SessionStorageNamespaceMap::const_iterator it =
1710 session_storage_namespace_map_.find(partition_id);
1711 if (it != session_storage_namespace_map_.end())
1712 return it->second.get();
1713
1714 // Create one if no one has accessed session storage for this partition yet.
1715 //
1716 // TODO(ajwong): Should this use the |partition_id| directly rather than
1717 // re-lookup via |instance|? http://crbug.com/142685
1718 StoragePartition* partition =
1719 BrowserContext::GetStoragePartition(browser_context_, instance);
1720 SessionStorageNamespaceImpl* session_storage_namespace =
1721 new SessionStorageNamespaceImpl(
[email protected]5f2aa722013-08-07 16:59:411722 static_cast<DOMStorageContextWrapper*>(
[email protected]fdac6ade2013-07-20 01:06:301723 partition->GetDOMStorageContext()));
1724 session_storage_namespace_map_[partition_id] = session_storage_namespace;
1725
1726 return session_storage_namespace;
1727}
1728
1729SessionStorageNamespace*
1730NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
1731 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
1732 return GetSessionStorageNamespace(NULL);
1733}
1734
1735const SessionStorageNamespaceMap&
1736NavigationControllerImpl::GetSessionStorageNamespaceMap() const {
1737 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:551738}
[email protected]d202a7c2012-01-04 07:53:471739
1740bool NavigationControllerImpl::NeedsReload() const {
[email protected]71fde352011-12-29 03:29:561741 return needs_reload_;
1742}
[email protected]a26023822011-12-29 00:23:551743
[email protected]46bb5e9c2013-10-03 22:16:471744void NavigationControllerImpl::SetNeedsReload() {
1745 needs_reload_ = true;
jaekyunc8cefa82015-01-09 20:14:541746
1747 if (last_committed_entry_index_ != -1) {
1748 entries_[last_committed_entry_index_]->SetTransitionType(
1749 ui::PAGE_TRANSITION_RELOAD);
1750 }
[email protected]46bb5e9c2013-10-03 22:16:471751}
1752
[email protected]d202a7c2012-01-04 07:53:471753void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:551754 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:121755 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:311756
1757 DiscardNonCommittedEntries();
1758
1759 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:121760 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:311761 last_committed_entry_index_--;
1762}
1763
[email protected]d202a7c2012-01-04 07:53:471764void NavigationControllerImpl::DiscardNonCommittedEntries() {
[email protected]cbab76d2008-10-13 22:42:471765 bool transient = transient_entry_index_ != -1;
1766 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:291767
[email protected]cbab76d2008-10-13 22:42:471768 // If there was a transient entry, invalidate everything so the new active
1769 // entry state is shown.
1770 if (transient) {
[email protected]7f924832014-08-09 05:57:221771 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:471772 }
initial.commit09911bf2008-07-26 23:55:291773}
1774
creis3da03872015-02-20 21:12:321775NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() const {
[email protected]022af742011-12-28 18:37:251776 return pending_entry_;
1777}
1778
[email protected]d202a7c2012-01-04 07:53:471779int NavigationControllerImpl::GetPendingEntryIndex() const {
[email protected]a26023822011-12-29 00:23:551780 return pending_entry_index_;
1781}
1782
[email protected]d202a7c2012-01-04 07:53:471783void NavigationControllerImpl::InsertOrReplaceEntry(NavigationEntryImpl* entry,
1784 bool replace) {
Sylvain Defresnec6ccc77d2014-09-19 10:19:351785 DCHECK(entry->GetTransitionType() != ui::PAGE_TRANSITION_AUTO_SUBFRAME);
[email protected]765b35502008-08-21 00:51:201786
1787 // Copy the pending entry's unique ID to the committed entry.
1788 // I don't know if pending_entry_index_ can be other than -1 here.
[email protected]10f417c52011-12-28 21:04:231789 const NavigationEntryImpl* const pending_entry =
1790 (pending_entry_index_ == -1) ?
1791 pending_entry_ : entries_[pending_entry_index_].get();
[email protected]765b35502008-08-21 00:51:201792 if (pending_entry)
[email protected]36fc0392011-12-25 03:59:511793 entry->set_unique_id(pending_entry->GetUniqueID());
[email protected]765b35502008-08-21 00:51:201794
[email protected]cbab76d2008-10-13 22:42:471795 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:201796
1797 int current_size = static_cast<int>(entries_.size());
avi6567f302015-02-26 22:55:151798 DCHECK_IMPLIES(replace, current_size > 0);
[email protected]765b35502008-08-21 00:51:201799
[email protected]765b35502008-08-21 00:51:201800 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:451801 // Prune any entries which are in front of the current entry.
1802 // Also prune the current entry if we are to replace the current entry.
[email protected]47dcbdc2011-05-27 15:08:311803 // last_committed_entry_index_ must be updated here since calls to
1804 // NotifyPrunedEntries() below may re-enter and we must make sure
1805 // last_committed_entry_index_ is not left in an invalid state.
1806 if (replace)
1807 --last_committed_entry_index_;
1808
[email protected]c12bf1a12008-09-17 16:28:491809 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:311810 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:491811 num_pruned++;
[email protected]765b35502008-08-21 00:51:201812 entries_.pop_back();
1813 current_size--;
1814 }
[email protected]c12bf1a12008-09-17 16:28:491815 if (num_pruned > 0) // Only notify if we did prune something.
1816 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:201817 }
1818
[email protected]944822b2012-03-02 20:57:251819 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:201820
[email protected]10f417c52011-12-28 21:04:231821 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]765b35502008-08-21 00:51:201822 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
[email protected]e9ba4472008-09-14 15:42:431823
1824 // This is a new page ID, so we need everybody to know about it.
[email protected]ec6c05f2013-10-23 18:41:571825 delegate_->UpdateMaxPageID(entry->GetPageID());
initial.commit09911bf2008-07-26 23:55:291826}
1827
[email protected]944822b2012-03-02 20:57:251828void NavigationControllerImpl::PruneOldestEntryIfFull() {
1829 if (entries_.size() >= max_entry_count()) {
1830 DCHECK_EQ(max_entry_count(), entries_.size());
[email protected]e6fec472013-05-14 05:29:021831 DCHECK_GT(last_committed_entry_index_, 0);
[email protected]944822b2012-03-02 20:57:251832 RemoveEntryAtIndex(0);
1833 NotifyPrunedEntries(this, true, 1);
1834 }
1835}
1836
[email protected]d202a7c2012-01-04 07:53:471837void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
[email protected]72097fd02010-01-21 23:36:011838 needs_reload_ = false;
1839
[email protected]83c2e232011-10-07 21:36:461840 // If we were navigating to a slow-to-commit page, and the user performs
1841 // a session history navigation to the last committed page, RenderViewHost
1842 // will force the throbber to start, but WebKit will essentially ignore the
1843 // navigation, and won't send a message to stop the throbber. To prevent this
1844 // from happening, we drop the navigation here and stop the slow-to-commit
1845 // page from loading (which would normally happen during the navigation).
1846 if (pending_entry_index_ != -1 &&
1847 pending_entry_index_ == last_committed_entry_index_ &&
1848 (entries_[pending_entry_index_]->restore_type() ==
[email protected]10f417c52011-12-28 21:04:231849 NavigationEntryImpl::RESTORE_NONE) &&
[email protected]36fc0392011-12-25 03:59:511850 (entries_[pending_entry_index_]->GetTransitionType() &
Sylvain Defresnec6ccc77d2014-09-19 10:19:351851 ui::PAGE_TRANSITION_FORWARD_BACK)) {
[email protected]ec6c05f2013-10-23 18:41:571852 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:121853
1854 // If an interstitial page is showing, we want to close it to get back
1855 // to what was showing before.
[email protected]ec6c05f2013-10-23 18:41:571856 if (delegate_->GetInterstitialPage())
1857 delegate_->GetInterstitialPage()->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:121858
[email protected]83c2e232011-10-07 21:36:461859 DiscardNonCommittedEntries();
1860 return;
1861 }
1862
[email protected]6a13a6c2011-12-20 21:47:121863 // If an interstitial page is showing, the previous renderer is blocked and
1864 // cannot make new requests. Unblock (and disable) it to allow this
1865 // navigation to succeed. The interstitial will stay visible until the
1866 // resulting DidNavigate.
[email protected]ec6c05f2013-10-23 18:41:571867 if (delegate_->GetInterstitialPage()) {
1868 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())->
[email protected]cadaec52012-02-08 21:53:131869 CancelForNavigation();
1870 }
[email protected]6a13a6c2011-12-20 21:47:121871
initial.commit09911bf2008-07-26 23:55:291872 // For session history navigations only the pending_entry_index_ is set.
1873 if (!pending_entry_) {
[email protected]4bf3522c2010-08-19 21:00:201874 DCHECK_NE(pending_entry_index_, -1);
[email protected]765b35502008-08-21 00:51:201875 pending_entry_ = entries_[pending_entry_index_].get();
initial.commit09911bf2008-07-26 23:55:291876 }
1877
[email protected]40fd3032014-02-28 22:16:281878 // This call does not support re-entrancy. See http://crbug.com/347742.
1879 CHECK(!in_navigate_to_pending_entry_);
1880 in_navigate_to_pending_entry_ = true;
1881 bool success = delegate_->NavigateToPendingEntry(reload_type);
1882 in_navigate_to_pending_entry_ = false;
1883
1884 if (!success)
[email protected]cbab76d2008-10-13 22:42:471885 DiscardNonCommittedEntries();
[email protected]77362eb2011-08-01 17:18:381886
1887 // If the entry is being restored and doesn't have a SiteInstance yet, fill
1888 // it in now that we know. This allows us to find the entry when it commits.
[email protected]77362eb2011-08-01 17:18:381889 if (pending_entry_ && !pending_entry_->site_instance() &&
[email protected]10f417c52011-12-28 21:04:231890 pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE) {
[email protected]b6583592012-01-25 19:52:331891 pending_entry_->set_site_instance(static_cast<SiteInstanceImpl*>(
[email protected]ec6c05f2013-10-23 18:41:571892 delegate_->GetPendingSiteInstance()));
[email protected]10f417c52011-12-28 21:04:231893 pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE);
[email protected]77362eb2011-08-01 17:18:381894 }
initial.commit09911bf2008-07-26 23:55:291895}
1896
[email protected]d202a7c2012-01-04 07:53:471897void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:211898 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:271899 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:401900
[email protected]2db9bd72012-04-13 20:20:561901 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:401902 // location bar will have up-to-date information about the security style
1903 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:131904 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:401905
[email protected]7f924832014-08-09 05:57:221906 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:571907 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:461908
[email protected]b0f724c2013-09-05 04:21:131909 // TODO(avi): Remove. http://crbug.com/170921
1910 NotificationDetails notification_details =
1911 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:211912 NotificationService::current()->Notify(
1913 NOTIFICATION_NAV_ENTRY_COMMITTED,
1914 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:401915 notification_details);
initial.commit09911bf2008-07-26 23:55:291916}
1917
initial.commit09911bf2008-07-26 23:55:291918// static
[email protected]d202a7c2012-01-04 07:53:471919size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:231920 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
1921 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:211922 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:231923}
1924
[email protected]d202a7c2012-01-04 07:53:471925void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:221926 if (is_active && needs_reload_)
1927 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:291928}
1929
[email protected]d202a7c2012-01-04 07:53:471930void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:291931 if (!needs_reload_)
1932 return;
1933
initial.commit09911bf2008-07-26 23:55:291934 // Calling Reload() results in ignoring state, and not loading.
1935 // Explicitly use NavigateToPendingEntry so that the renderer uses the
1936 // cached state.
1937 pending_entry_index_ = last_committed_entry_index_;
[email protected]1ccb3568d2010-02-19 10:51:161938 NavigateToPendingEntry(NO_RELOAD);
initial.commit09911bf2008-07-26 23:55:291939}
1940
avi47179332015-05-20 21:01:111941void NavigationControllerImpl::NotifyEntryChanged(
1942 const NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:211943 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:091944 det.changed_entry = entry;
avi47179332015-05-20 21:01:111945 det.index = GetIndexOfEntry(
1946 NavigationEntryImpl::FromNavigationEntry(entry));
[email protected]8ff00d72012-10-23 19:12:211947 NotificationService::current()->Notify(
1948 NOTIFICATION_NAV_ENTRY_CHANGED,
1949 Source<NavigationController>(this),
1950 Details<EntryChangedDetails>(&det));
initial.commit09911bf2008-07-26 23:55:291951}
1952
[email protected]d202a7c2012-01-04 07:53:471953void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:361954 RestoreType type) {
[email protected]a26023822011-12-29 00:23:551955 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:361956 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:291957
[email protected]71fde352011-12-29 03:29:561958 SetMaxRestoredPageID(static_cast<int32>(GetEntryCount()));
initial.commit09911bf2008-07-26 23:55:291959
1960 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:291961}
[email protected]765b35502008-08-21 00:51:201962
[email protected]d202a7c2012-01-04 07:53:471963void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:451964 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:481965 DiscardTransientEntry();
1966}
1967
avi45a72532015-04-07 21:01:451968void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
[email protected]40fd3032014-02-28 22:16:281969 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
[email protected]e7fee58a2014-04-11 19:51:401970 // progress, since this will cause a use-after-free. (We only allow this
1971 // when the tab is being destroyed for shutdown, since it won't return to
1972 // NavigateToEntry in that case.) http://crbug.com/347742.
1973 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
[email protected]40fd3032014-02-28 22:16:281974
avi45a72532015-04-07 21:01:451975 if (was_failure && pending_entry_) {
1976 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
1977 failed_pending_entry_should_replace_ =
1978 pending_entry_->should_replace_entry();
1979 } else {
1980 failed_pending_entry_id_ = 0;
1981 }
1982
[email protected]765b35502008-08-21 00:51:201983 if (pending_entry_index_ == -1)
1984 delete pending_entry_;
1985 pending_entry_ = NULL;
1986 pending_entry_index_ = -1;
[email protected]cbab76d2008-10-13 22:42:471987}
1988
[email protected]d202a7c2012-01-04 07:53:471989void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:471990 if (transient_entry_index_ == -1)
1991 return;
[email protected]a0e69262009-06-03 19:08:481992 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:181993 if (last_committed_entry_index_ > transient_entry_index_)
1994 last_committed_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:471995 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:201996}
1997
[email protected]d202a7c2012-01-04 07:53:471998int NavigationControllerImpl::GetEntryIndexWithPageID(
[email protected]7f0005a2009-04-15 03:25:111999 SiteInstance* instance, int32 page_id) const {
[email protected]765b35502008-08-21 00:51:202000 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
[email protected]7f0005a2009-04-15 03:25:112001 if ((entries_[i]->site_instance() == instance) &&
[email protected]36fc0392011-12-25 03:59:512002 (entries_[i]->GetPageID() == page_id))
[email protected]765b35502008-08-21 00:51:202003 return i;
2004 }
2005 return -1;
2006}
[email protected]cbab76d2008-10-13 22:42:472007
avi7c6f35e2015-05-08 17:52:382008int NavigationControllerImpl::GetEntryIndexWithUniqueID(
2009 int nav_entry_id) const {
2010 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
2011 if (entries_[i]->GetUniqueID() == nav_entry_id)
2012 return i;
2013 }
2014 return -1;
2015}
2016
creis3da03872015-02-20 21:12:322017NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() const {
[email protected]cbab76d2008-10-13 22:42:472018 if (transient_entry_index_ == -1)
2019 return NULL;
2020 return entries_[transient_entry_index_].get();
2021}
[email protected]e1cd5452010-08-26 18:03:252022
[email protected]0b684262013-02-20 02:18:212023void NavigationControllerImpl::SetTransientEntry(NavigationEntry* entry) {
2024 // Discard any current transient entry, we can only have one at a time.
2025 int index = 0;
2026 if (last_committed_entry_index_ != -1)
2027 index = last_committed_entry_index_ + 1;
2028 DiscardTransientEntry();
2029 entries_.insert(
2030 entries_.begin() + index, linked_ptr<NavigationEntryImpl>(
2031 NavigationEntryImpl::FromNavigationEntry(entry)));
2032 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:222033 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:212034}
2035
[email protected]d202a7c2012-01-04 07:53:472036void NavigationControllerImpl::InsertEntriesFrom(
2037 const NavigationControllerImpl& source,
[email protected]e1cd5452010-08-26 18:03:252038 int max_index) {
[email protected]a26023822011-12-29 00:23:552039 DCHECK_LE(max_index, source.GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:252040 size_t insert_index = 0;
2041 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:352042 // When cloning a tab, copy all entries except interstitial pages.
2043 if (source.entries_[i].get()->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
2044 // TODO(creis): Once we start sharing FrameNavigationEntries between
2045 // NavigationEntries, it will not be safe to share them with another tab.
2046 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:252047 entries_.insert(entries_.begin() + insert_index++,
[email protected]10f417c52011-12-28 21:04:232048 linked_ptr<NavigationEntryImpl>(
creisef4a0cb2015-03-12 19:14:352049 source.entries_[i]->Clone()));
[email protected]e1cd5452010-08-26 18:03:252050 }
2051 }
2052}
[email protected]c5b88d82012-10-06 17:03:332053
2054void NavigationControllerImpl::SetGetTimestampCallbackForTest(
2055 const base::Callback<base::Time()>& get_timestamp_callback) {
2056 get_timestamp_callback_ = get_timestamp_callback;
2057}
[email protected]8ff00d72012-10-23 19:12:212058
2059} // namespace content