blob: 4ae518f786105c08a7d391936d9e946ff2a32589 [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
creis4e2ecb72015-06-20 00:46:305/*
6 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
7 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
9 * (http://www.torchmobile.com/)
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 *
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
21 * its contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
25 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
28 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
[email protected]d4a8ca482013-10-30 21:06:4036#include "content/browser/frame_host/navigation_controller_impl.h"
initial.commit09911bf2008-07-26 23:55:2937
[email protected]c5b88d82012-10-06 17:03:3338#include "base/bind.h"
[email protected]eabfe1912014-05-12 10:07:2839#include "base/command_line.h"
initial.commit09911bf2008-07-26 23:55:2940#include "base/logging.h"
[email protected]d6def3d2014-05-19 18:55:3241#include "base/metrics/histogram.h"
[email protected]348fbaac2013-06-11 06:31:5142#include "base/strings/string_number_conversions.h" // Temporary
43#include "base/strings/string_util.h"
[email protected]74ebfb12013-06-07 20:48:0044#include "base/strings/utf_string_conversions.h"
[email protected]a43858f2013-06-28 15:18:3745#include "base/time/time.h"
ssid3e765612015-01-28 04:03:4246#include "base/trace_event/trace_event.h"
servolkf3955532015-05-16 00:01:5947#include "build/build_config.h"
[email protected]eabfe1912014-05-12 10:07:2848#include "cc/base/switches.h"
rsleevic327b48f82015-04-30 02:03:2549#include "components/mime_util/mime_util.h"
jamescookda2505812015-03-20 18:01:1850#include "content/browser/bad_message.h"
[email protected]825b1662012-03-12 19:07:3151#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4152#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0453#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]d4a8ca482013-10-30 21:06:4054#include "content/browser/frame_host/debug_urls.h"
55#include "content/browser/frame_host/interstitial_page_impl.h"
56#include "content/browser/frame_host/navigation_entry_impl.h"
[email protected]d1581d72013-11-05 19:11:2657#include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
creis4e2ecb72015-06-20 00:46:3058#include "content/browser/frame_host/navigator.h"
[email protected]b3c41c0b2012-03-06 15:48:3259#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary
[email protected]b6583592012-01-25 19:52:3360#include "content/browser/site_instance_impl.h"
[email protected]37567b432014-02-12 01:12:2261#include "content/common/frame_messages.h"
nickd30fd962015-07-27 21:51:0862#include "content/common/site_isolation_policy.h"
estarka5635c42015-07-14 00:06:5363#include "content/common/ssl_status_serialization.h"
[email protected]0aed2f52011-03-23 18:06:3664#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1165#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1966#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4667#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0068#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3869#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1670#include "content/public/browser/notification_types.h"
[email protected]9677a3c2012-12-22 04:18:5871#include "content/public/browser/render_widget_host.h"
72#include "content/public/browser/render_widget_host_view.h"
[email protected]4c3a23582012-08-18 08:54:3473#include "content/public/browser/storage_partition.h"
[email protected]7f6f44c2011-12-14 13:23:3874#include "content/public/browser/user_metrics.h"
[email protected]d1198fd2012-08-13 22:50:1975#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3876#include "content/public/common/content_constants.h"
kinuko1be5023c2015-12-16 02:31:5777#include "content/public/common/content_switches.h"
servolkf3955532015-05-16 00:01:5978#include "media/base/mime_util.h"
[email protected]a23de8572009-06-03 02:16:3279#include "net/base/escape.h"
[email protected]7f070d42011-03-09 20:25:3280#include "net/base/net_util.h"
[email protected]9677a3c2012-12-22 04:18:5881#include "skia/ext/platform_canvas.h"
[email protected]cca6f392014-05-28 21:32:2682#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2983
[email protected]8ff00d72012-10-23 19:12:2184namespace content {
[email protected]e9ba4472008-09-14 15:42:4385namespace {
86
87// Invoked when entries have been pruned, or removed. For example, if the
88// current entries are [google, digg, yahoo], with the current entry google,
89// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4790void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4991 bool from_front,
92 int count) {
[email protected]8ff00d72012-10-23 19:12:2193 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4994 details.from_front = from_front;
95 details.count = count;
[email protected]8ff00d72012-10-23 19:12:2196 NotificationService::current()->Notify(
97 NOTIFICATION_NAV_LIST_PRUNED,
98 Source<NavigationController>(nav_controller),
99 Details<PrunedDetails>(&details));
[email protected]e9ba4472008-09-14 15:42:43100}
101
102// Ensure the given NavigationEntry has a valid state, so that WebKit does not
103// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:39104//
[email protected]e9ba4472008-09-14 15:42:43105// An empty state is treated as a new navigation by WebKit, which would mean
106// losing the navigation entries and generating a new navigation entry after
107// this one. We don't want that. To avoid this we create a valid state which
108// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:04109void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
110 if (!entry->GetPageState().IsValid())
111 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:43112}
113
[email protected]2ca1ea662012-10-04 02:26:36114NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType(
115 NavigationController::RestoreType type) {
116 switch (type) {
117 case NavigationController::RESTORE_CURRENT_SESSION:
118 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
119 case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY:
120 return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY;
121 case NavigationController::RESTORE_LAST_SESSION_CRASHED:
122 return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED;
123 }
124 NOTREACHED();
125 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
126}
127
[email protected]e9ba4472008-09-14 15:42:43128// Configure all the NavigationEntries in entries for restore. This resets
129// the transition type to reload and makes sure the content state isn't empty.
130void ConfigureEntriesForRestore(
avif16f85a72015-11-13 18:25:03131 std::vector<scoped_ptr<NavigationEntryImpl>>* entries,
[email protected]2ca1ea662012-10-04 02:26:36132 NavigationController::RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:43133 for (size_t i = 0; i < entries->size(); ++i) {
134 // Use a transition type of reload so that we don't incorrectly increase
135 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35136 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]2ca1ea662012-10-04 02:26:36137 (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type));
[email protected]e9ba4472008-09-14 15:42:43138 // NOTE(darin): This code is only needed for backwards compat.
avif16f85a72015-11-13 18:25:03139 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43140 }
141}
142
[email protected]bf70edce2012-06-20 22:32:22143// Determines whether or not we should be carrying over a user agent override
144// between two NavigationEntries.
[email protected]8ff00d72012-10-23 19:12:21145bool ShouldKeepOverride(const NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22146 return last_entry && last_entry->GetIsOverridingUserAgent();
147}
148
creis03b48002015-11-04 00:54:56149// Helper method for FrameTree::ForEach to set the nav_entry_id on each current
150// RenderFrameHost in the tree.
151bool SetFrameNavEntryID(int nav_entry_id, FrameTreeNode* node) {
152 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
153 return true;
154}
155
[email protected]e9ba4472008-09-14 15:42:43156} // namespace
157
[email protected]d202a7c2012-01-04 07:53:47158// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29159
[email protected]23a918b2014-07-15 09:51:36160const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23161
[email protected]765b35502008-08-21 00:51:20162// static
[email protected]d202a7c2012-01-04 07:53:47163size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23164 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20165
[email protected]e6fec472013-05-14 05:29:02166// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20167// when testing.
168static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29169
[email protected]71fde352011-12-29 03:29:56170// static
avi25764702015-06-23 15:43:37171scoped_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
[email protected]71fde352011-12-29 03:29:56172 const GURL& url,
[email protected]cdcb1dee2012-01-04 00:46:20173 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35174 ui::PageTransition transition,
[email protected]71fde352011-12-29 03:29:56175 bool is_renderer_initiated,
176 const std::string& extra_headers,
[email protected]cdcb1dee2012-01-04 00:46:20177 BrowserContext* browser_context) {
creis94a977f62015-02-18 23:51:05178 // Fix up the given URL before letting it be rewritten, so that any minor
179 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
180 GURL dest_url(url);
181 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(&dest_url,
182 browser_context);
183
[email protected]71fde352011-12-29 03:29:56184 // Allow the browser URL handler to rewrite the URL. This will, for example,
185 // remove "view-source:" from the beginning of the URL to get the URL that
186 // will actually be loaded. This real URL won't be shown to the user, just
187 // used internally.
creis94a977f62015-02-18 23:51:05188 GURL loaded_url(dest_url);
[email protected]71fde352011-12-29 03:29:56189 bool reverse_on_redirect = false;
[email protected]825b1662012-03-12 19:07:31190 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
[email protected]71fde352011-12-29 03:29:56191 &loaded_url, browser_context, &reverse_on_redirect);
192
193 NavigationEntryImpl* entry = new NavigationEntryImpl(
194 NULL, // The site instance for tabs is sent on navigation
[email protected]2db9bd72012-04-13 20:20:56195 // (WebContents::GetSiteInstance).
[email protected]71fde352011-12-29 03:29:56196 -1,
197 loaded_url,
198 referrer,
[email protected]fcf75d42013-12-03 20:11:26199 base::string16(),
[email protected]71fde352011-12-29 03:29:56200 transition,
201 is_renderer_initiated);
creis94a977f62015-02-18 23:51:05202 entry->SetVirtualURL(dest_url);
203 entry->set_user_typed_url(dest_url);
[email protected]71fde352011-12-29 03:29:56204 entry->set_update_virtual_url_with_url(reverse_on_redirect);
205 entry->set_extra_headers(extra_headers);
avi25764702015-06-23 15:43:37206 return make_scoped_ptr(entry);
[email protected]71fde352011-12-29 03:29:56207}
208
[email protected]cdcb1dee2012-01-04 00:46:20209// static
210void NavigationController::DisablePromptOnRepost() {
211 g_check_for_repost = false;
212}
213
[email protected]c5b88d82012-10-06 17:03:33214base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
215 base::Time t) {
216 // If |t| is between the water marks, we're in a run of duplicates
217 // or just getting out of it, so increase the high-water mark to get
218 // a time that probably hasn't been used before and return it.
219 if (low_water_mark_ <= t && t <= high_water_mark_) {
220 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
221 return high_water_mark_;
222 }
223
224 // Otherwise, we're clear of the last duplicate run, so reset the
225 // water marks.
226 low_water_mark_ = high_water_mark_ = t;
227 return t;
228}
229
[email protected]d202a7c2012-01-04 07:53:47230NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57231 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19232 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37233 : browser_context_(browser_context),
[email protected]765b35502008-08-21 00:51:20234 pending_entry_(NULL),
avi45a72532015-04-07 21:01:45235 failed_pending_entry_id_(0),
236 failed_pending_entry_should_replace_(false),
[email protected]765b35502008-08-21 00:51:20237 last_committed_entry_index_(-1),
238 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47239 transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57240 delegate_(delegate),
initial.commit09911bf2008-07-26 23:55:29241 max_restored_page_id_(-1),
[email protected]69e797f2013-04-30 01:10:22242 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57243 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09244 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28245 in_navigate_to_pending_entry_(false),
[email protected]c5b88d82012-10-06 17:03:33246 pending_reload_(NO_RELOAD),
[email protected]8cea7892013-02-06 06:49:31247 get_timestamp_callback_(base::Bind(&base::Time::Now)),
[email protected]d1581d72013-11-05 19:11:26248 screenshot_manager_(new NavigationEntryScreenshotManager(this)) {
[email protected]3d7474ff2011-07-27 17:47:37249 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29250}
251
[email protected]d202a7c2012-01-04 07:53:47252NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47253 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29254}
255
[email protected]d202a7c2012-01-04 07:53:47256WebContents* NavigationControllerImpl::GetWebContents() const {
[email protected]ec6c05f2013-10-23 18:41:57257 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32258}
259
[email protected]d202a7c2012-01-04 07:53:47260BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
[email protected]a26023822011-12-29 00:23:55261 return browser_context_;
262}
263
[email protected]d202a7c2012-01-04 07:53:47264void NavigationControllerImpl::SetBrowserContext(
265 BrowserContext* browser_context) {
[email protected]cdcb1dee2012-01-04 00:46:20266 browser_context_ = browser_context;
267}
268
[email protected]d202a7c2012-01-04 07:53:47269void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30270 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36271 RestoreType type,
avif16f85a72015-11-13 18:25:03272 std::vector<scoped_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57273 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55274 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57275 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14276 selected_navigation < static_cast<int>(entries->size()));
[email protected]ce3fa3c2009-04-20 19:55:57277
[email protected]ce3fa3c2009-04-20 19:55:57278 needs_reload_ = true;
avif16f85a72015-11-13 18:25:03279 entries_.reserve(entries->size());
280 for (auto& entry : *entries)
281 entries_.push_back(NavigationEntryImpl::FromNavigationEntry(entry.Pass()));
282
283 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
284 // cleared out safely.
285 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57286
287 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36288 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57289}
290
[email protected]d202a7c2012-01-04 07:53:47291void NavigationControllerImpl::Reload(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16292 ReloadInternal(check_for_repost, RELOAD);
293}
kinuko1be5023c2015-12-16 02:31:57294void NavigationControllerImpl::ReloadToRefreshContent(bool check_for_repost) {
295 if (base::CommandLine::ForCurrentProcess()->HasSwitch(
296 switches::kEnableNonValidatingReloadOnRefreshContent)) {
297 ReloadInternal(check_for_repost, NO_RELOAD);
298 } else {
299 ReloadInternal(check_for_repost, RELOAD);
300 }
301}
[email protected]d202a7c2012-01-04 07:53:47302void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16303 ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE);
304}
[email protected]7c16976c2012-08-04 02:38:23305void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) {
306 ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL);
307}
megjablond5ac7d52015-10-22 23:56:12308void NavigationControllerImpl::ReloadDisableLoFi(bool check_for_repost) {
309 ReloadInternal(check_for_repost, RELOAD_DISABLE_LOFI_MODE);
310}
[email protected]1ccb3568d2010-02-19 10:51:16311
[email protected]d202a7c2012-01-04 07:53:47312void NavigationControllerImpl::ReloadInternal(bool check_for_repost,
313 ReloadType reload_type) {
[email protected]669e0ba2012-08-30 23:57:36314 if (transient_entry_index_ != -1) {
315 // If an interstitial is showing, treat a reload as a navigation to the
316 // transient entry's URL.
creis3da03872015-02-20 21:12:32317 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27318 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36319 return;
[email protected]6286a3792013-10-09 04:03:27320 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21321 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35322 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27323 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47324 return;
[email protected]669e0ba2012-08-30 23:57:36325 }
[email protected]cbab76d2008-10-13 22:42:47326
[email protected]59167c22013-06-03 18:07:32327 NavigationEntryImpl* entry = NULL;
328 int current_index = -1;
329
330 // If we are reloading the initial navigation, just use the current
331 // pending entry. Otherwise look up the current entry.
332 if (IsInitialNavigation() && pending_entry_) {
333 entry = pending_entry_;
334 // The pending entry might be in entries_ (e.g., after a Clone), so we
335 // should also update the current_index.
336 current_index = pending_entry_index_;
337 } else {
338 DiscardNonCommittedEntriesInternal();
339 current_index = GetCurrentEntryIndex();
340 if (current_index != -1) {
creis3da03872015-02-20 21:12:32341 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32342 }
[email protected]979a4bc2013-04-24 01:27:15343 }
[email protected]241db352013-04-22 18:04:05344
[email protected]59167c22013-06-03 18:07:32345 // If we are no where, then we can't reload. TODO(darin): We should add a
346 // CanReload method.
347 if (!entry)
348 return;
349
[email protected]cdcb1dee2012-01-04 00:46:20350 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32351 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30352 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07353 // they really want to do this. If they do, the dialog will call us back
354 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57355 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02356
[email protected]106a0812010-03-18 00:15:12357 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57358 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29359 } else {
[email protected]59167c22013-06-03 18:07:32360 if (!IsInitialNavigation())
361 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26362
[email protected]bcd904482012-02-01 01:54:22363 // If we are reloading an entry that no longer belongs to the current
364 // site instance (for example, refreshing a page for just installed app),
365 // the reload must happen in a new process.
366 // The new entry must have a new page_id and site instance, so it behaves
367 // as new navigation (which happens to clear forward history).
[email protected]7e58cb272012-03-30 21:22:30368 // Tabs that are discarded due to low memory conditions may not have a site
369 // instance, and should not be treated as a cross-site reload.
[email protected]59167c22013-06-03 18:07:32370 SiteInstanceImpl* site_instance = entry->site_instance();
[email protected]fb4cc8e2013-12-17 17:56:21371 // Permit reloading guests without further checks.
paulmeyer1aeba7aa2015-06-16 18:25:10372 bool is_for_guests_only = site_instance && site_instance->HasProcess() &&
373 site_instance->GetProcess()->IsForGuestsOnly();
374 if (!is_for_guests_only && site_instance &&
[email protected]7e58cb272012-03-30 21:22:30375 site_instance->HasWrongProcessForURL(entry->GetURL())) {
[email protected]bcd904482012-02-01 01:54:22376 // Create a navigation entry that resembles the current one, but do not
avi0b7df5b2015-07-18 23:16:46377 // copy page id, site instance, content state, or timestamp.
[email protected]bcd904482012-02-01 01:54:22378 NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry(
379 CreateNavigationEntry(
380 entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(),
avi25764702015-06-23 15:43:37381 false, entry->extra_headers(), browser_context_).release());
[email protected]c3b3d952012-01-31 12:52:26382
[email protected]11535962012-02-09 21:02:10383 // Mark the reload type as NO_RELOAD, so navigation will not be considered
384 // a reload in the renderer.
385 reload_type = NavigationController::NO_RELOAD;
386
[email protected]e2caa032012-11-15 23:29:18387 nav_entry->set_should_replace_entry(true);
[email protected]bcd904482012-02-01 01:54:22388 pending_entry_ = nav_entry;
avi0b7df5b2015-07-18 23:16:46389 DCHECK_EQ(-1, pending_entry_index_);
[email protected]bcd904482012-02-01 01:54:22390 } else {
[email protected]59167c22013-06-03 18:07:32391 pending_entry_ = entry;
[email protected]bcd904482012-02-01 01:54:22392 pending_entry_index_ = current_index;
393
394 // The title of the page being reloaded might have been removed in the
395 // meanwhile, so we need to revert to the default title upon reload and
396 // invalidate the previously cached title (SetTitle will do both).
397 // See Chromium issue 96041.
[email protected]fcf75d42013-12-03 20:11:26398 pending_entry_->SetTitle(base::string16());
[email protected]bcd904482012-02-01 01:54:22399
Sylvain Defresnec6ccc77d2014-09-19 10:19:35400 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22401 }
402
[email protected]1ccb3568d2010-02-19 10:51:16403 NavigateToPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29404 }
405}
406
[email protected]d202a7c2012-01-04 07:53:47407void NavigationControllerImpl::CancelPendingReload() {
[email protected]106a0812010-03-18 00:15:12408 DCHECK(pending_reload_ != NO_RELOAD);
409 pending_reload_ = NO_RELOAD;
410}
411
[email protected]d202a7c2012-01-04 07:53:47412void NavigationControllerImpl::ContinuePendingReload() {
[email protected]106a0812010-03-18 00:15:12413 if (pending_reload_ == NO_RELOAD) {
414 NOTREACHED();
415 } else {
416 ReloadInternal(false, pending_reload_);
[email protected]965bb092010-04-09 11:59:02417 pending_reload_ = NO_RELOAD;
[email protected]106a0812010-03-18 00:15:12418 }
419}
420
[email protected]cd2e15742013-03-08 04:08:31421bool NavigationControllerImpl::IsInitialNavigation() const {
[email protected]27ba81c2012-08-21 17:04:09422 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11423}
424
creis10a4ab72015-10-13 17:22:40425bool NavigationControllerImpl::IsInitialBlankNavigation() const {
426 // TODO(creis): Once we create a NavigationEntry for the initial blank page,
427 // we'll need to check for entry count 1 and restore_type RESTORE_NONE (to
428 // exclude the cloned tab case).
429 return IsInitialNavigation() && GetEntryCount() == 0;
430}
431
[email protected]d202a7c2012-01-04 07:53:47432NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID(
avib7348942015-12-25 20:57:10433 SiteInstance* instance,
434 int32_t page_id) const {
[email protected]7f0005a2009-04-15 03:25:11435 int index = GetEntryIndexWithPageID(instance, page_id);
avif16f85a72015-11-13 18:25:03436 return (index != -1) ? entries_[index].get() : nullptr;
[email protected]765b35502008-08-21 00:51:20437}
438
avi254eff02015-07-01 08:27:58439NavigationEntryImpl*
440NavigationControllerImpl::GetEntryWithUniqueID(int nav_entry_id) const {
441 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03442 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58443}
444
avi25764702015-06-23 15:43:37445void NavigationControllerImpl::LoadEntry(
446 scoped_ptr<NavigationEntryImpl> entry) {
[email protected]765b35502008-08-21 00:51:20447 // When navigating to a new page, we don't know for sure if we will actually
448 // end up leaving the current page. The new page load could for example
449 // result in a download or a 'no content' response (e.g., a mailto: URL).
avi25764702015-06-23 15:43:37450 SetPendingEntry(entry.Pass());
[email protected]59167c22013-06-03 18:07:32451 NavigateToPendingEntry(NO_RELOAD);
452}
453
avi25764702015-06-23 15:43:37454void NavigationControllerImpl::SetPendingEntry(
455 scoped_ptr<NavigationEntryImpl> entry) {
[email protected]cbab76d2008-10-13 22:42:47456 DiscardNonCommittedEntriesInternal();
avi25764702015-06-23 15:43:37457 pending_entry_ = entry.release();
[email protected]8ff00d72012-10-23 19:12:21458 NotificationService::current()->Notify(
459 NOTIFICATION_NAV_ENTRY_PENDING,
460 Source<NavigationController>(this),
avi25764702015-06-23 15:43:37461 Details<NavigationEntry>(pending_entry_));
[email protected]765b35502008-08-21 00:51:20462}
463
creis3da03872015-02-20 21:12:32464NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() const {
[email protected]cbab76d2008-10-13 22:42:47465 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03466 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:47467 if (pending_entry_)
468 return pending_entry_;
469 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20470}
471
creis3da03872015-02-20 21:12:32472NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() const {
[email protected]867e1f92011-08-30 19:01:19473 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03474 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32475 // The pending entry is safe to return for new (non-history), browser-
476 // initiated navigations. Most renderer-initiated navigations should not
477 // show the pending entry, to prevent URL spoof attacks.
478 //
479 // We make an exception for renderer-initiated navigations in new tabs, as
480 // long as no other page has tried to access the initial empty document in
481 // the new tab. If another page modifies this blank page, a URL spoof is
482 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32483 bool safe_to_show_pending =
484 pending_entry_ &&
485 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09486 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32487 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46488 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32489
490 // Also allow showing the pending entry for history navigations in a new tab,
491 // such as Ctrl+Back. In this case, no existing page is visible and no one
492 // can script the new tab before it commits.
493 if (!safe_to_show_pending &&
494 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09495 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32496 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34497 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32498 safe_to_show_pending = true;
499
500 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19501 return pending_entry_;
502 return GetLastCommittedEntry();
503}
504
[email protected]d202a7c2012-01-04 07:53:47505int NavigationControllerImpl::GetCurrentEntryIndex() const {
[email protected]cbab76d2008-10-13 22:42:47506 if (transient_entry_index_ != -1)
507 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20508 if (pending_entry_index_ != -1)
509 return pending_entry_index_;
510 return last_committed_entry_index_;
511}
512
creis3da03872015-02-20 21:12:32513NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() const {
[email protected]765b35502008-08-21 00:51:20514 if (last_committed_entry_index_ == -1)
515 return NULL;
avif16f85a72015-11-13 18:25:03516 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20517}
518
[email protected]d202a7c2012-01-04 07:53:47519bool NavigationControllerImpl::CanViewSource() const {
[email protected]ec6c05f2013-10-23 18:41:57520 const std::string& mime_type = delegate_->GetContentsMimeType();
rsleevic327b48f82015-04-30 02:03:25521 bool is_viewable_mime_type =
522 mime_util::IsSupportedNonImageMimeType(mime_type) &&
servolkf3955532015-05-16 00:01:59523 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27524 NavigationEntry* visible_entry = GetVisibleEntry();
525 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57526 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16527}
528
[email protected]d202a7c2012-01-04 07:53:47529int NavigationControllerImpl::GetLastCommittedEntryIndex() const {
[email protected]a26023822011-12-29 00:23:55530 return last_committed_entry_index_;
531}
532
[email protected]d202a7c2012-01-04 07:53:47533int NavigationControllerImpl::GetEntryCount() const {
[email protected]944822b2012-03-02 20:57:25534 DCHECK(entries_.size() <= max_entry_count());
[email protected]a26023822011-12-29 00:23:55535 return static_cast<int>(entries_.size());
536}
537
creis3da03872015-02-20 21:12:32538NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(
[email protected]022af742011-12-28 18:37:25539 int index) const {
avi25764702015-06-23 15:43:37540 if (index < 0 || index >= GetEntryCount())
541 return nullptr;
542
avif16f85a72015-11-13 18:25:03543 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25544}
545
creis3da03872015-02-20 21:12:32546NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(
[email protected]022af742011-12-28 18:37:25547 int offset) const {
avi057ce1492015-06-29 15:59:47548 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20549}
550
[email protected]9ba14052012-06-22 23:50:03551int NavigationControllerImpl::GetIndexForOffset(int offset) const {
[email protected]7bc2b032012-12-19 22:45:46552 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03553}
554
[email protected]9677a3c2012-12-22 04:18:58555void NavigationControllerImpl::TakeScreenshot() {
[email protected]1a3f5312013-04-26 21:00:10556 screenshot_manager_->TakeScreenshot();
[email protected]9677a3c2012-12-22 04:18:58557}
558
[email protected]1a3f5312013-04-26 21:00:10559void NavigationControllerImpl::SetScreenshotManager(
avi67081d0ae2015-07-27 18:25:46560 scoped_ptr<NavigationEntryScreenshotManager> manager) {
561 if (manager.get())
562 screenshot_manager_ = manager.Pass();
563 else
564 screenshot_manager_.reset(new NavigationEntryScreenshotManager(this));
[email protected]9677a3c2012-12-22 04:18:58565}
566
[email protected]d202a7c2012-01-04 07:53:47567bool NavigationControllerImpl::CanGoBack() const {
avi56e40c92015-08-27 00:11:22568 return CanGoToOffset(-1);
[email protected]765b35502008-08-21 00:51:20569}
570
[email protected]d202a7c2012-01-04 07:53:47571bool NavigationControllerImpl::CanGoForward() const {
avi56e40c92015-08-27 00:11:22572 return CanGoToOffset(1);
[email protected]765b35502008-08-21 00:51:20573}
574
[email protected]9ba14052012-06-22 23:50:03575bool NavigationControllerImpl::CanGoToOffset(int offset) const {
576 int index = GetIndexForOffset(offset);
577 return index >= 0 && index < GetEntryCount();
578}
579
[email protected]d202a7c2012-01-04 07:53:47580void NavigationControllerImpl::GoBack() {
[email protected]765b35502008-08-21 00:51:20581 if (!CanGoBack()) {
582 NOTREACHED();
583 return;
584 }
585
586 // Base the navigation on where we are now...
587 int current_index = GetCurrentEntryIndex();
588
[email protected]cbab76d2008-10-13 22:42:47589 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20590
591 pending_entry_index_ = current_index - 1;
[email protected]022af742011-12-28 18:37:25592 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35593 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51594 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35595 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16596 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20597}
598
[email protected]d202a7c2012-01-04 07:53:47599void NavigationControllerImpl::GoForward() {
[email protected]765b35502008-08-21 00:51:20600 if (!CanGoForward()) {
601 NOTREACHED();
602 return;
603 }
604
[email protected]cbab76d2008-10-13 22:42:47605 bool transient = (transient_entry_index_ != -1);
606
[email protected]765b35502008-08-21 00:51:20607 // Base the navigation on where we are now...
608 int current_index = GetCurrentEntryIndex();
609
[email protected]cbab76d2008-10-13 22:42:47610 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20611
[email protected]cbab76d2008-10-13 22:42:47612 pending_entry_index_ = current_index;
613 // If there was a transient entry, we removed it making the current index
614 // the next page.
615 if (!transient)
616 pending_entry_index_++;
617
[email protected]022af742011-12-28 18:37:25618 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35619 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51620 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35621 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16622 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20623}
624
[email protected]d202a7c2012-01-04 07:53:47625void NavigationControllerImpl::GoToIndex(int index) {
[email protected]765b35502008-08-21 00:51:20626 if (index < 0 || index >= static_cast<int>(entries_.size())) {
627 NOTREACHED();
628 return;
629 }
630
[email protected]cbab76d2008-10-13 22:42:47631 if (transient_entry_index_ != -1) {
632 if (index == transient_entry_index_) {
633 // Nothing to do when navigating to the transient.
634 return;
635 }
636 if (index > transient_entry_index_) {
637 // Removing the transient is goint to shift all entries by 1.
638 index--;
639 }
640 }
641
642 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20643
644 pending_entry_index_ = index;
[email protected]022af742011-12-28 18:37:25645 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35646 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51647 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35648 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16649 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20650}
651
[email protected]d202a7c2012-01-04 07:53:47652void NavigationControllerImpl::GoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03653 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20654 return;
655
[email protected]9ba14052012-06-22 23:50:03656 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20657}
658
[email protected]41374f12013-07-24 02:49:28659bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
660 if (index == last_committed_entry_index_ ||
661 index == pending_entry_index_)
662 return false;
[email protected]6a13a6c2011-12-20 21:47:12663
[email protected]43032342011-03-21 14:10:31664 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28665 return true;
[email protected]cbab76d2008-10-13 22:42:47666}
667
[email protected]d202a7c2012-01-04 07:53:47668void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23669 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32670 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31671 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51672 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
673 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32674 }
675}
676
[email protected]d202a7c2012-01-04 07:53:47677void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47678 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21679 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35680 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47681 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47682 LoadURLParams params(url);
683 params.referrer = referrer;
684 params.transition_type = transition;
685 params.extra_headers = extra_headers;
686 LoadURLWithParams(params);
687}
688
689void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43690 TRACE_EVENT1("browser,navigation",
691 "NavigationControllerImpl::LoadURLWithParams",
692 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43693 if (HandleDebugURL(params.url, params.transition_type)) {
694 // If Telemetry is running, allow the URL load to proceed as if it's
695 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49696 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43697 cc::switches::kEnableGpuBenchmarking))
698 return;
699 }
[email protected]8bf1048012012-02-08 01:22:18700
[email protected]cf002332012-08-14 19:17:47701 // Checks based on params.load_type.
702 switch (params.load_type) {
703 case LOAD_TYPE_DEFAULT:
704 break;
705 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
[email protected]e8ca69c2014-05-07 15:31:19706 if (!params.url.SchemeIs(url::kHttpScheme) &&
707 !params.url.SchemeIs(url::kHttpsScheme)) {
[email protected]cf002332012-08-14 19:17:47708 NOTREACHED() << "Http post load must use http(s) scheme.";
709 return;
710 }
711 break;
712 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26713 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47714 NOTREACHED() << "Data load must use data scheme.";
715 return;
716 }
717 break;
718 default:
719 NOTREACHED();
720 break;
721 };
[email protected]e47ae9472011-10-13 19:48:34722
[email protected]e47ae9472011-10-13 19:48:34723 // The user initiated a load, we don't need to reload anymore.
724 needs_reload_ = false;
725
[email protected]cf002332012-08-14 19:17:47726 bool override = false;
727 switch (params.override_user_agent) {
728 case UA_OVERRIDE_INHERIT:
729 override = ShouldKeepOverride(GetLastCommittedEntry());
730 break;
731 case UA_OVERRIDE_TRUE:
732 override = true;
733 break;
734 case UA_OVERRIDE_FALSE:
735 override = false;
736 break;
737 default:
738 NOTREACHED();
739 break;
[email protected]d1ef81d2012-07-24 11:39:36740 }
741
avi25764702015-06-23 15:43:37742 scoped_ptr<NavigationEntryImpl> entry;
creis4e2ecb72015-06-20 00:46:30743
744 // For subframes, create a pending entry with a corresponding frame entry.
745 int frame_tree_node_id = params.frame_tree_node_id;
746 if (frame_tree_node_id != -1 || !params.frame_name.empty()) {
747 FrameTreeNode* node =
748 params.frame_tree_node_id != -1
749 ? delegate_->GetFrameTree()->FindByID(params.frame_tree_node_id)
750 : delegate_->GetFrameTree()->FindByName(params.frame_name);
751 if (node && !node->IsMainFrame()) {
752 DCHECK(GetLastCommittedEntry());
753
754 // Update the FTN ID to use below in case we found a named frame.
755 frame_tree_node_id = node->frame_tree_node_id();
756
757 // In --site-per-process, create an identical NavigationEntry with a
758 // new FrameNavigationEntry for the target subframe.
nickd30fd962015-07-27 21:51:08759 if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis4e2ecb72015-06-20 00:46:30760 entry = GetLastCommittedEntry()->Clone();
761 entry->SetPageID(-1);
creis6d752c32015-11-10 01:59:43762 entry->AddOrUpdateFrameEntry(node, "", -1, -1, nullptr, params.url,
creis4e2ecb72015-06-20 00:46:30763 params.referrer, PageState());
764 }
765 }
creis6a93a812015-04-24 23:13:17766 }
creis4e2ecb72015-06-20 00:46:30767
768 // Otherwise, create a pending entry for the main frame.
769 if (!entry) {
770 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
771 params.url, params.referrer, params.transition_type,
772 params.is_renderer_initiated, params.extra_headers, browser_context_));
773 }
774 // Set the FTN ID (only used in non-site-per-process, for tests).
775 entry->set_frame_tree_node_id(frame_tree_node_id);
lfg9ef7d2d2014-12-15 22:32:30776 entry->set_source_site_instance(
777 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
[email protected]f8872902013-10-30 03:18:57778 if (params.redirect_chain.size() > 0)
[email protected]c1982ff2014-04-23 03:37:21779 entry->SetRedirectChain(params.redirect_chain);
avib6cc1562015-02-12 19:56:39780 // Don't allow an entry replacement if there is no entry to replace.
781 // http://crbug.com/457149
782 if (params.should_replace_current_entry && entries_.size() > 0)
[email protected]e2caa032012-11-15 23:29:18783 entry->set_should_replace_entry(true);
[email protected]60d6cca2013-04-30 08:47:13784 entry->set_should_clear_history_list(params.should_clear_history_list);
[email protected]cf002332012-08-14 19:17:47785 entry->SetIsOverridingUserAgent(override);
786 entry->set_transferred_global_request_id(
787 params.transferred_global_request_id);
[email protected]d1ef81d2012-07-24 11:39:36788
clamy8451aa62015-01-23 16:56:08789#if defined(OS_ANDROID)
790 if (params.intent_received_timestamp > 0) {
791 entry->set_intent_received_timestamp(
792 base::TimeTicks() +
793 base::TimeDelta::FromMilliseconds(params.intent_received_timestamp));
794 }
qinmin976d4d92015-08-07 18:32:39795 entry->set_has_user_gesture(params.has_user_gesture);
clamy8451aa62015-01-23 16:56:08796#endif
797
[email protected]cf002332012-08-14 19:17:47798 switch (params.load_type) {
799 case LOAD_TYPE_DEFAULT:
800 break;
801 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
802 entry->SetHasPostData(true);
803 entry->SetBrowserInitiatedPostData(
[email protected]fc72bb12013-06-02 21:13:46804 params.browser_initiated_post_data.get());
[email protected]cf002332012-08-14 19:17:47805 break;
806 case LOAD_TYPE_DATA:
807 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
808 entry->SetVirtualURL(params.virtual_url_for_data_url);
mnaganovbf087422015-12-16 05:10:03809#if defined(OS_ANDROID)
810 entry->SetDataURLAsString(params.data_url_as_string);
811#endif
[email protected]951a64832012-10-11 16:26:37812 entry->SetCanLoadLocalResources(params.can_load_local_resources);
[email protected]cf002332012-08-14 19:17:47813 break;
814 default:
815 NOTREACHED();
816 break;
817 };
[email protected]132e281a2012-07-31 18:32:44818
avi25764702015-06-23 15:43:37819 LoadEntry(entry.Pass());
[email protected]132e281a2012-07-31 18:32:44820}
821
[email protected]d202a7c2012-01-04 07:53:47822bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32823 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22824 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]8ff00d72012-10-23 19:12:21825 LoadCommittedDetails* details) {
[email protected]cd2e15742013-03-08 04:08:31826 is_initial_navigation_ = false;
827
[email protected]0e8db942008-09-24 21:21:48828 // Save the previous state before we clobber it.
829 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51830 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55831 details->previous_entry_index = GetLastCommittedEntryIndex();
[email protected]0e8db942008-09-24 21:21:48832 } else {
833 details->previous_url = GURL();
834 details->previous_entry_index = -1;
835 }
[email protected]ecd9d8702008-08-28 22:10:17836
fdegans9caf66a2015-07-30 21:10:42837 // If there is a pending entry at this point, it should have a SiteInstance,
838 // except for restored entries.
839 DCHECK(pending_entry_index_ == -1 ||
840 pending_entry_->site_instance() ||
841 pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE);
842 if (pending_entry_ &&
843 pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE)
844 pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE);
[email protected]e9ba4472008-09-14 15:42:43845
[email protected]bcd904482012-02-01 01:54:22846 // If we are doing a cross-site reload, we need to replace the existing
847 // navigation entry, not add another entry to the history. This has the side
avi45a72532015-04-07 21:01:45848 // effect of removing forward browsing history, if such existed. Or if we are
849 // doing a cross-site redirect navigation, we will do a similar thing.
850 //
851 // If this is an error load, we may have already removed the pending entry
852 // when we got the notice of the load failure. If so, look at the copy of the
853 // pending parameters that were saved.
854 if (params.url_is_unreachable && failed_pending_entry_id_ != 0) {
855 details->did_replace_entry = failed_pending_entry_should_replace_;
856 } else {
857 details->did_replace_entry = pending_entry_ &&
858 pending_entry_->should_replace_entry();
859 }
[email protected]bcd904482012-02-01 01:54:22860
[email protected]e9ba4472008-09-14 15:42:43861 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:43862 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:20863
[email protected]b9d4dfdc2013-08-08 00:25:12864 // is_in_page must be computed before the entry gets committed.
avidb7d1d22015-06-08 21:21:50865 details->is_in_page = IsURLInPageNavigation(
[email protected]5cfbddc2014-06-23 23:52:23866 params.url, params.was_within_same_page, rfh);
[email protected]b9d4dfdc2013-08-08 00:25:12867
[email protected]0e8db942008-09-24 21:21:48868 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:21869 case NAVIGATION_TYPE_NEW_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43870 RendererDidNavigateToNewPage(rfh, params, details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43871 break;
[email protected]8ff00d72012-10-23 19:12:21872 case NAVIGATION_TYPE_EXISTING_PAGE:
avi259dc792015-07-07 04:42:36873 details->did_replace_entry = details->is_in_page;
[email protected]27dd82fd2014-03-03 22:11:43874 RendererDidNavigateToExistingPage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43875 break;
[email protected]8ff00d72012-10-23 19:12:21876 case NAVIGATION_TYPE_SAME_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43877 RendererDidNavigateToSamePage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43878 break;
[email protected]8ff00d72012-10-23 19:12:21879 case NAVIGATION_TYPE_NEW_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43880 RendererDidNavigateNewSubframe(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43881 break;
[email protected]8ff00d72012-10-23 19:12:21882 case NAVIGATION_TYPE_AUTO_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43883 if (!RendererDidNavigateAutoSubframe(rfh, params))
[email protected]e9ba4472008-09-14 15:42:43884 return false;
885 break;
[email protected]8ff00d72012-10-23 19:12:21886 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:49887 // If a pending navigation was in progress, this canceled it. We should
888 // discard it and make sure it is removed from the URL bar. After that,
889 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:43890 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:49891 if (pending_entry_) {
892 DiscardNonCommittedEntries();
[email protected]ec6c05f2013-10-23 18:41:57893 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:49894 }
[email protected]e9ba4472008-09-14 15:42:43895 return false;
896 default:
897 NOTREACHED();
[email protected]765b35502008-08-21 00:51:20898 }
899
[email protected]688aa65c62012-09-28 04:32:22900 // At this point, we know that the navigation has just completed, so
901 // record the time.
902 //
903 // TODO(akalin): Use "sane time" as described in
904 // http://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:33905 base::Time timestamp =
906 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
907 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:22908 << timestamp.ToInternalValue();
909
[email protected]f233e4232013-02-23 00:55:14910 // We should not have a pending entry anymore. Clear it again in case any
911 // error cases above forgot to do so.
912 DiscardNonCommittedEntriesInternal();
913
[email protected]e9ba4472008-09-14 15:42:43914 // All committed entries should have nonempty content state so WebKit doesn't
915 // get confused when we go back to them (see the function for details).
[email protected]691aa2f2013-05-28 22:52:04916 DCHECK(params.page_state.IsValid());
creis3da03872015-02-20 21:12:32917 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:22918 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:44919 active_entry->SetHttpStatusCode(params.http_status_code);
nickd30fd962015-07-27 21:51:08920 if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis4e2ecb72015-06-20 00:46:30921 // Update the frame-specific PageState.
922 FrameNavigationEntry* frame_entry =
923 active_entry->GetFrameEntry(rfh->frame_tree_node());
creise062d542015-08-25 02:01:55924 // We may not find a frame_entry in some cases; ignore the PageState if so.
925 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
926 if (frame_entry)
927 frame_entry->set_page_state(params.page_state);
creis4e2ecb72015-06-20 00:46:30928 } else {
929 active_entry->SetPageState(params.page_state);
930 }
[email protected]c1982ff2014-04-23 03:37:21931 active_entry->SetRedirectChain(params.redirects);
[email protected]132e281a2012-07-31 18:32:44932
[email protected]d6def3d2014-05-19 18:55:32933 // Use histogram to track memory impact of redirect chain because it's now
934 // not cleared for committed entries.
935 size_t redirect_chain_size = 0;
936 for (size_t i = 0; i < params.redirects.size(); ++i) {
937 redirect_chain_size += params.redirects[i].spec().length();
938 }
939 UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size);
940
[email protected]97d8f0d2013-10-29 16:49:21941 // Once it is committed, we no longer need to track several pieces of state on
942 // the entry.
943 active_entry->ResetForCommit();
[email protected]60d6cca2013-04-30 08:47:13944
[email protected]49bd30e62011-03-22 20:12:59945 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:22946 // TODO(creis): This check won't pass for subframes until we create entries
947 // for subframe navigations.
avi39c1edd32015-06-04 20:06:00948 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:42949 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:59950
[email protected]b26de072013-02-23 02:33:44951 // Remember the bindings the renderer process has at this point, so that
952 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:32953 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:44954
[email protected]e9ba4472008-09-14 15:42:43955 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:00956 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:00957 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:31958 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:53959
960 // Deserialize the security info and kill the renderer if
961 // deserialization fails. The navigation will continue with default
962 // SSLStatus values.
963 if (!DeserializeSecurityInfo(params.security_info, &details->ssl_status)) {
964 bad_message::ReceivedBadMessage(
965 rfh->GetProcess(),
966 bad_message::WC_RENDERER_DID_NAVIGATE_BAD_SECURITY_INFO);
967 }
968
[email protected]93f230e02011-06-01 14:40:00969 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:29970
creis03b48002015-11-04 00:54:56971 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
972 // one knows the latest NavigationEntry it is showing (whether it has
973 // committed anything in this navigation or not). This allows things like
974 // state and title updates from RenderFrames to apply to the latest relevant
975 // NavigationEntry.
976 delegate_->GetFrameTree()->ForEach(
977 base::Bind(&SetFrameNavEntryID, active_entry->GetUniqueID()));
[email protected]e9ba4472008-09-14 15:42:43978 return true;
initial.commit09911bf2008-07-26 23:55:29979}
980
[email protected]8ff00d72012-10-23 19:12:21981NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:32982 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22983 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const {
avi7c6f35e2015-05-08 17:52:38984 if (params.did_create_new_entry) {
985 // A new entry. We may or may not have a pending entry for the page, and
986 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:00987 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:38988 return NAVIGATION_TYPE_NEW_PAGE;
989 }
990
991 // When this is a new subframe navigation, we should have a committed page
992 // in which it's a subframe. This may not be the case when an iframe is
993 // navigated on a popup navigated to about:blank (the iframe would be
994 // written into the popup by script on the main page). For these cases,
995 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:23996 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:38997 return NAVIGATION_TYPE_NAV_IGNORE;
998
999 // Valid subframe navigation.
1000 return NAVIGATION_TYPE_NEW_SUBFRAME;
1001 }
1002
1003 // We only clear the session history when navigating to a new page.
1004 DCHECK(!params.history_list_was_cleared);
1005
avi39c1edd32015-06-04 20:06:001006 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381007 // All manual subframes would be did_create_new_entry and handled above, so
1008 // we know this is auto.
1009 if (GetLastCommittedEntry()) {
1010 return NAVIGATION_TYPE_AUTO_SUBFRAME;
1011 } else {
1012 // We ignore subframes created in non-committed pages; we'd appreciate if
1013 // people stopped doing that.
1014 return NAVIGATION_TYPE_NAV_IGNORE;
1015 }
1016 }
1017
1018 if (params.nav_entry_id == 0) {
1019 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1020 // create a new page.
1021
1022 // Just like above in the did_create_new_entry case, it's possible to
1023 // scribble onto an uncommitted page. Again, there isn't any navigation
1024 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231025 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231026 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381027 return NAVIGATION_TYPE_NAV_IGNORE;
1028
avi259dc792015-07-07 04:42:361029 // This is history.replaceState(), history.reload(), or a client-side
1030 // redirect.
1031 return NAVIGATION_TYPE_EXISTING_PAGE;
avi7c6f35e2015-05-08 17:52:381032 }
1033
1034 if (pending_entry_ && pending_entry_index_ == -1 &&
1035 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1036 // In this case, we have a pending entry for a load of a new URL but Blink
creis77c9aa32015-09-25 19:59:421037 // didn't do a new navigation (params.did_create_new_entry). First check to
1038 // make sure Blink didn't treat a new cross-process navigation as inert, and
1039 // thus set params.did_create_new_entry to false. In that case, we must
1040 // treat it as NEW since the SiteInstance doesn't match the entry.
1041 if (GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance())
1042 return NAVIGATION_TYPE_NEW_PAGE;
1043
1044 // Otherwise, this happens when you press enter in the URL bar to reload. We
1045 // will create a pending entry, but Blink will convert it to a reload since
1046 // it's the same page and not create a new entry for it (the user doesn't
1047 // want to have a new back/forward entry when they do this). Therefore we
1048 // want to just ignore the pending entry and go back to where we were (the
1049 // "existing entry").
1050 // TODO(creis,avi): Eliminate SAME_PAGE in https://crbug.com/536102.
avi7c6f35e2015-05-08 17:52:381051 return NAVIGATION_TYPE_SAME_PAGE;
1052 }
1053
1054 if (params.intended_as_new_entry) {
1055 // This was intended to be a navigation to a new entry but the pending entry
1056 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1057 // may not have a pending entry.
1058 return NAVIGATION_TYPE_EXISTING_PAGE;
1059 }
1060
1061 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1062 params.nav_entry_id == failed_pending_entry_id_) {
1063 // If the renderer was going to a new pending entry that got cleared because
1064 // of an error, this is the case of the user trying to retry a failed load
1065 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1066 // have a pending entry.
1067 return NAVIGATION_TYPE_EXISTING_PAGE;
1068 }
1069
1070 // Now we know that the notification is for an existing page. Find that entry.
1071 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1072 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441073 // The renderer has committed a navigation to an entry that no longer
1074 // exists. Because the renderer is showing that page, resurrect that entry.
1075 return NAVIGATION_TYPE_NEW_PAGE;
avi7c6f35e2015-05-08 17:52:381076 }
1077
avi7c6f35e2015-05-08 17:52:381078 // Since we weeded out "new" navigations above, we know this is an existing
1079 // (back/forward) navigation.
1080 return NAVIGATION_TYPE_EXISTING_PAGE;
1081}
1082
[email protected]d202a7c2012-01-04 07:53:471083void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321084 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221085 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221086 bool replace_entry) {
avi25764702015-06-23 15:43:371087 scoped_ptr<NavigationEntryImpl> new_entry;
[email protected]f1eb87a2011-05-06 17:49:411088 bool update_virtual_url;
[email protected]6dd86ab2013-02-27 00:30:341089 // Only make a copy of the pending entry if it is appropriate for the new page
1090 // that was just loaded. We verify this at a coarse grain by checking that
avi5cad4912015-06-19 05:25:441091 // the SiteInstance hasn't been assigned to something else, and by making sure
1092 // that the pending entry was intended as a new entry (rather than being a
1093 // history navigation that was interrupted by an unrelated, renderer-initiated
1094 // navigation).
1095 if (pending_entry_ && pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341096 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431097 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351098 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431099
[email protected]f1eb87a2011-05-06 17:49:411100 update_virtual_url = new_entry->update_virtual_url_with_url();
[email protected]e9ba4472008-09-14 15:42:431101 } else {
avi25764702015-06-23 15:43:371102 new_entry = make_scoped_ptr(new NavigationEntryImpl);
[email protected]f8f93eb2012-09-25 03:06:241103
1104 // Find out whether the new entry needs to update its virtual URL on URL
1105 // change and set up the entry accordingly. This is needed to correctly
1106 // update the virtual URL when replaceState is called after a pushState.
1107 GURL url = params.url;
1108 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431109 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1110 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241111 new_entry->set_update_virtual_url_with_url(needs_update);
1112
[email protected]f1eb87a2011-05-06 17:49:411113 // When navigating to a new page, give the browser URL handler a chance to
1114 // update the virtual URL based on the new URL. For example, this is needed
1115 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1116 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241117 update_virtual_url = needs_update;
[email protected]e9ba4472008-09-14 15:42:431118 }
1119
wjmaclean7431bb22015-02-19 14:53:431120 // Don't use the page type from the pending entry. Some interstitial page
1121 // may have set the type to interstitial. Once we commit, however, the page
1122 // type must always be normal or error.
1123 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1124 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041125 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411126 if (update_virtual_url)
avi25764702015-06-23 15:43:371127 UpdateVirtualURLToURL(new_entry.get(), params.url);
[email protected]022af742011-12-28 18:37:251128 new_entry->SetReferrer(params.referrer);
[email protected]36fc0392011-12-25 03:59:511129 new_entry->SetPageID(params.page_id);
[email protected]022af742011-12-28 18:37:251130 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331131 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431132 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]36fc0392011-12-25 03:59:511133 new_entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051134 new_entry->SetPostID(params.post_id);
[email protected]7c16976c2012-08-04 02:38:231135 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221136 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431137
creis8b5cd4c2015-06-19 00:11:081138 // Update the FrameNavigationEntry for new main frame commits.
1139 FrameNavigationEntry* frame_entry =
1140 new_entry->GetFrameEntry(rfh->frame_tree_node());
creis6d752c32015-11-10 01:59:431141 frame_entry->set_frame_unique_name(params.frame_unique_name);
creis8b5cd4c2015-06-19 00:11:081142 frame_entry->set_item_sequence_number(params.item_sequence_number);
1143 frame_entry->set_document_sequence_number(params.document_sequence_number);
1144
[email protected]ff64b3e2014-05-31 04:07:331145 // history.pushState() is classified as a navigation to a new page, but
1146 // sets was_within_same_page to true. In this case, we already have the
[email protected]3a868f212014-08-09 10:41:191147 // title and favicon available, so set them immediately.
1148 if (params.was_within_same_page && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331149 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191150 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1151 }
[email protected]ff64b3e2014-05-31 04:07:331152
[email protected]60d6cca2013-04-30 08:47:131153 DCHECK(!params.history_list_was_cleared || !replace_entry);
1154 // The browser requested to clear the session history when it initiated the
1155 // navigation. Now we know that the renderer has updated its state accordingly
1156 // and it is safe to also clear the browser side history.
1157 if (params.history_list_was_cleared) {
1158 DiscardNonCommittedEntriesInternal();
1159 entries_.clear();
1160 last_committed_entry_index_ = -1;
1161 }
1162
avi25764702015-06-23 15:43:371163 InsertOrReplaceEntry(new_entry.Pass(), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431164}
1165
[email protected]d202a7c2012-01-04 07:53:471166void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321167 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221168 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431169 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001170 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431171
avicbdc4c12015-07-01 16:07:111172 NavigationEntryImpl* entry;
1173 if (params.intended_as_new_entry) {
1174 // This was intended as a new entry but the pending entry was lost in the
1175 // meanwhile and no new page was created. We are stuck at the last committed
1176 // entry.
1177 entry = GetLastCommittedEntry();
1178 } else if (params.nav_entry_id) {
1179 // This is a browser-initiated navigation (back/forward/reload).
1180 entry = GetEntryWithUniqueID(params.nav_entry_id);
1181 } else {
1182 // This is renderer-initiated. The only kinds of renderer-initated
1183 // navigations that are EXISTING_PAGE are reloads and location.replace,
1184 // which land us at the last committed entry.
1185 entry = GetLastCommittedEntry();
1186 }
1187 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:431188
[email protected]5ccd4dc2012-10-24 02:28:141189 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431190 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1191 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041192 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201193 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321194 if (entry->update_virtual_url_with_url())
1195 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141196
1197 // The redirected to page should not inherit the favicon from the previous
1198 // page.
Sylvain Defresnec6ccc77d2014-09-19 10:19:351199 if (ui::PageTransitionIsRedirect(params.transition))
[email protected]91a4ff82012-10-29 20:29:481200 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141201
1202 // The site instance will normally be the same except during session restore,
1203 // when no site instance will be assigned.
fdegans9caf66a2015-07-30 21:10:421204 DCHECK(entry->site_instance() == nullptr ||
[email protected]27dd82fd2014-03-03 22:11:431205 entry->site_instance() == rfh->GetSiteInstance());
[email protected]b6583592012-01-25 19:52:331206 entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431207 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]e9ba4472008-09-14 15:42:431208
[email protected]36fc0392011-12-25 03:59:511209 entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051210 entry->SetPostID(params.post_id);
[email protected]d5a49e52010-01-08 03:01:411211
[email protected]e9ba4472008-09-14 15:42:431212 // The entry we found in the list might be pending if the user hit
1213 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591214 // list, we can just discard the pending pointer). We should also discard the
1215 // pending entry if it corresponds to a different navigation, since that one
1216 // is now likely canceled. If it is not canceled, we will treat it as a new
1217 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431218 //
1219 // Note that we need to use the "internal" version since we don't want to
1220 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491221 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391222
[email protected]80858db52009-10-15 00:35:181223 // If a transient entry was removed, the indices might have changed, so we
1224 // have to query the entry index again.
avicbdc4c12015-07-01 16:07:111225 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:431226}
1227
[email protected]d202a7c2012-01-04 07:53:471228void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321229 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221230 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
aviaf5660962015-06-30 15:12:291231 // This classification says that we have a pending entry that's the same as
1232 // the last committed entry. This entry is guaranteed to exist by
[email protected]4c27ba82008-09-24 16:49:091233 // ClassifyNavigation. All we need to do is update the existing entry.
aviaf5660962015-06-30 15:12:291234 NavigationEntryImpl* existing_entry = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431235
creis77c9aa32015-09-25 19:59:421236 // If we classified this correctly, the SiteInstance should not have changed.
1237 CHECK_EQ(existing_entry->site_instance(), rfh->GetSiteInstance());
1238
[email protected]e9ba4472008-09-14 15:42:431239 // We assign the entry's unique ID to be that of the new one. Since this is
1240 // always the result of a user action, we want to dismiss infobars, etc. like
1241 // a regular user-initiated navigation.
creis77c9aa32015-09-25 19:59:421242 DCHECK_EQ(pending_entry_->GetUniqueID(), params.nav_entry_id);
[email protected]36fc0392011-12-25 03:59:511243 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431244
[email protected]a0e69262009-06-03 19:08:481245 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431246 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1247 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321248 if (existing_entry->update_virtual_url_with_url())
1249 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041250 existing_entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201251 existing_entry->SetReferrer(params.referrer);
[email protected]a0e69262009-06-03 19:08:481252
[email protected]b77686522013-12-11 20:34:191253 // The page may have been requested with a different HTTP method.
1254 existing_entry->SetHasPostData(params.is_post);
1255 existing_entry->SetPostID(params.post_id);
1256
[email protected]cbab76d2008-10-13 22:42:471257 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431258}
1259
[email protected]d202a7c2012-01-04 07:53:471260void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321261 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221262 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi25f5f9e2015-07-17 20:08:261263 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1264 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
[email protected]09b8f82f2009-06-16 20:22:111265
[email protected]e9ba4472008-09-14 15:42:431266 // Manual subframe navigations just get the current entry cloned so the user
1267 // can go back or forward to it. The actual subframe information will be
1268 // stored in the page state for each of those entries. This happens out of
1269 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091270 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1271 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381272
avi25764702015-06-23 15:43:371273 scoped_ptr<NavigationEntryImpl> new_entry;
nickd30fd962015-07-27 21:51:081274 if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis96fc55082015-06-13 06:42:381275 // Make sure new_entry takes ownership of frame_entry in a scoped_refptr.
1276 FrameNavigationEntry* frame_entry = new FrameNavigationEntry(
creis6d752c32015-11-10 01:59:431277 rfh->frame_tree_node()->frame_tree_node_id(), params.frame_unique_name,
creis8b5cd4c2015-06-19 00:11:081278 params.item_sequence_number, params.document_sequence_number,
1279 rfh->GetSiteInstance(), params.url, params.referrer);
creis96fc55082015-06-13 06:42:381280 new_entry = GetLastCommittedEntry()->CloneAndReplace(rfh->frame_tree_node(),
1281 frame_entry);
creise062d542015-08-25 02:01:551282
1283 // TODO(creis): Make sure the last committed entry always has the subframe
1284 // entry to replace, and CHECK(frame_entry->HasOneRef). For now, we might
1285 // not find the entry to replace, and new_entry will be deleted when it goes
1286 // out of scope. See https://crbug.com/522193.
creis96fc55082015-06-13 06:42:381287 } else {
1288 new_entry = GetLastCommittedEntry()->Clone();
1289 }
1290
[email protected]36fc0392011-12-25 03:59:511291 new_entry->SetPageID(params.page_id);
avi25764702015-06-23 15:43:371292 InsertOrReplaceEntry(new_entry.Pass(), false);
[email protected]e9ba4472008-09-14 15:42:431293}
1294
[email protected]d202a7c2012-01-04 07:53:471295bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321296 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221297 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291298 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1299 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1300
[email protected]e9ba4472008-09-14 15:42:431301 // We're guaranteed to have a previously committed entry, and we now need to
1302 // handle navigation inside of a subframe in it without creating a new entry.
1303 DCHECK(GetLastCommittedEntry());
1304
avi98405c22015-05-21 20:47:061305 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511306 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
caitkp420384c62015-05-28 14:34:511307
creis3cdc3b02015-05-29 23:00:471308 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1309 // a history auto" navigation. Update the last committed index accordingly.
1310 // If we don't recognize the |nav_entry_id|, it might be either a pending
1311 // entry for a transfer or a recently pruned entry. We'll handle it below.
1312 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061313 // Make sure that a subframe commit isn't changing the main frame's
1314 // origin. Otherwise the renderer process may be confused, leading to a
1315 // URL spoof. We can't check the path since that may change
1316 // (https://crbug.com/373041).
1317 if (GetLastCommittedEntry()->GetURL().GetOrigin() !=
1318 GetEntryAtIndex(entry_index)->GetURL().GetOrigin()) {
1319 // TODO(creis): This is unexpectedly being encountered in practice. If
1320 // you encounter this in practice, please post details to
1321 // https://crbug.com/486916. Once that's resolved, we'll change this to
1322 // kill the renderer process with bad_message::NC_AUTO_SUBFRAME.
1323 NOTREACHED() << "Unexpected main frame origin change on AUTO_SUBFRAME.";
1324 }
creis3cdc3b02015-05-29 23:00:471325
1326 // TODO(creis): Update the FrameNavigationEntry in --site-per-process.
avi98405c22015-05-21 20:47:061327 last_committed_entry_index_ = entry_index;
1328 DiscardNonCommittedEntriesInternal();
1329 return true;
1330 }
[email protected]e9ba4472008-09-14 15:42:431331 }
[email protected]f233e4232013-02-23 00:55:141332
nickd30fd962015-07-27 21:51:081333 if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis625a0c7d2015-03-24 23:17:121334 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1335 // it may be a "history auto" case where we update an existing one.
creis625a0c7d2015-03-24 23:17:121336 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
creis8b5cd4c2015-06-19 00:11:081337 last_committed->AddOrUpdateFrameEntry(
creis6d752c32015-11-10 01:59:431338 rfh->frame_tree_node(), params.frame_unique_name,
1339 params.item_sequence_number, params.document_sequence_number,
1340 rfh->GetSiteInstance(), params.url, params.referrer, params.page_state);
creis3cdc3b02015-05-29 23:00:471341
1342 // Cross-process subframe navigations may leave a pending entry around.
creisefbbbb52015-06-01 19:28:541343 // Clear it if it's actually for the subframe.
creis3cdc3b02015-05-29 23:00:471344 // TODO(creis): Don't use pending entries for subframe navigations.
creisefbbbb52015-06-01 19:28:541345 // See https://crbug.com/495161.
1346 if (pending_entry_ &&
1347 pending_entry_->frame_tree_node_id() ==
1348 rfh->frame_tree_node()->frame_tree_node_id()) {
1349 DiscardPendingEntry(false);
1350 }
creis625a0c7d2015-03-24 23:17:121351 }
1352
[email protected]f233e4232013-02-23 00:55:141353 // We do not need to discard the pending entry in this case, since we will
1354 // not generate commit notifications for this auto-subframe navigation.
[email protected]e9ba4472008-09-14 15:42:431355 return false;
1356}
1357
[email protected]d202a7c2012-01-04 07:53:471358int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231359 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:031360 for (size_t i = 0; i < entries_.size(); ++i) {
1361 if (entries_[i].get() == entry)
1362 return i;
1363 }
1364 return -1;
[email protected]765b35502008-08-21 00:51:201365}
1366
avidb7d1d22015-06-08 21:21:501367// There are two general cases where a navigation is "in page":
1368// 1. A fragment navigation, in which the url is kept the same except for the
1369// reference fragment.
1370// 2. A history API navigation (pushState and replaceState). This case is
1371// always in-page, but the urls are not guaranteed to match excluding the
1372// fragment. The relevant spec allows pushState/replaceState to any URL on
1373// the same origin.
1374// However, due to reloads, even identical urls are *not* guaranteed to be
1375// in-page navigations, we have to trust the renderer almost entirely.
1376// The one thing we do know is that cross-origin navigations will *never* be
1377// in-page. Therefore, trust the renderer if the URLs are on the same origin,
1378// and assume the renderer is malicious if a cross-origin navigation claims to
1379// be in-page.
[email protected]ce760d742012-08-30 22:31:101380bool NavigationControllerImpl::IsURLInPageNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121381 const GURL& url,
1382 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:231383 RenderFrameHost* rfh) const {
avidb7d1d22015-06-08 21:21:501384 GURL last_committed_url;
1385 if (rfh->GetParent()) {
1386 last_committed_url = rfh->GetLastCommittedURL();
1387 } else {
1388 NavigationEntry* last_committed = GetLastCommittedEntry();
1389 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1390 // might Blink say that a navigation is in-page yet there be no last-
1391 // committed entry?
1392 if (!last_committed)
1393 return false;
1394 last_committed_url = last_committed->GetURL();
1395 }
1396
1397 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
creisdc004e02015-11-20 21:28:471398 const url::Origin& committed_origin = static_cast<RenderFrameHostImpl*>(rfh)
1399 ->frame_tree_node()
1400 ->current_origin();
avidb7d1d22015-06-08 21:21:501401 bool is_same_origin = last_committed_url.is_empty() ||
1402 // TODO(japhet): We should only permit navigations
1403 // originating from about:blank to be in-page if the
1404 // about:blank is the first document that frame loaded.
1405 // We don't have sufficient information to identify
1406 // that case at the moment, so always allow about:blank
1407 // for now.
1408 last_committed_url == GURL(url::kAboutBlankURL) ||
1409 last_committed_url.GetOrigin() == url.GetOrigin() ||
1410 !prefs.web_security_enabled ||
1411 (prefs.allow_universal_access_from_file_urls &&
creisdc004e02015-11-20 21:28:471412 committed_origin.scheme() == url::kFileScheme);
avidb7d1d22015-06-08 21:21:501413 if (!is_same_origin && renderer_says_in_page) {
1414 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1415 bad_message::NC_IN_PAGE_NAVIGATION);
1416 }
1417 return is_same_origin && renderer_says_in_page;
[email protected]e9ba4472008-09-14 15:42:431418}
1419
[email protected]d202a7c2012-01-04 07:53:471420void NavigationControllerImpl::CopyStateFrom(
[email protected]c5eed492012-01-04 17:07:501421 const NavigationController& temp) {
[email protected]d202a7c2012-01-04 07:53:471422 const NavigationControllerImpl& source =
1423 static_cast<const NavigationControllerImpl&>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571424 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551425 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571426
[email protected]a26023822011-12-29 00:23:551427 if (source.GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571428 return; // Nothing new to do.
1429
1430 needs_reload_ = true;
[email protected]a26023822011-12-29 00:23:551431 InsertEntriesFrom(source, source.GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571432
[email protected]fdac6ade2013-07-20 01:06:301433 for (SessionStorageNamespaceMap::const_iterator it =
1434 source.session_storage_namespace_map_.begin();
1435 it != source.session_storage_namespace_map_.end();
1436 ++it) {
1437 SessionStorageNamespaceImpl* source_namespace =
1438 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1439 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1440 }
[email protected]4e6419c2010-01-15 04:50:341441
[email protected]2ca1ea662012-10-04 02:26:361442 FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION);
[email protected]91854cd2012-01-10 19:43:571443
1444 // Copy the max page id map from the old tab to the new tab. This ensures
1445 // that new and existing navigations in the tab's current SiteInstances
1446 // are identified properly.
[email protected]ec6c05f2013-10-23 18:41:571447 delegate_->CopyMaxPageIDsFrom(source.delegate()->GetWebContents());
[email protected]ce3fa3c2009-04-20 19:55:571448}
1449
[email protected]d202a7c2012-01-04 07:53:471450void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571451 NavigationController* temp,
1452 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161453 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011454 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161455
[email protected]d202a7c2012-01-04 07:53:471456 NavigationControllerImpl* source =
1457 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251458
avi2b177592014-12-10 02:08:021459 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011460 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251461
[email protected]474f8512013-05-31 22:31:161462 // We now have one entry, possibly with a new pending entry. Ensure that
1463 // adding the entries from source won't put us over the limit.
1464 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571465 if (!replace_entry)
1466 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251467
[email protected]47e020a2010-10-15 14:43:371468 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021469 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161470 // since it has not committed in source.
1471 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251472 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551473 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251474 else
1475 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571476
1477 // Ignore the source's current entry if merging with replacement.
1478 // TODO(davidben): This should preserve entries forward of the current
1479 // too. http://crbug.com/317872
1480 if (replace_entry && max_source_index > 0)
1481 max_source_index--;
1482
[email protected]47e020a2010-10-15 14:43:371483 InsertEntriesFrom(*source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251484
1485 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551486 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141487
avi2b177592014-12-10 02:08:021488 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1489 GetEntryCount());
[email protected]91854cd2012-01-10 19:43:571490
avi2b177592014-12-10 02:08:021491 // Copy the max page id map from the old tab to the new tab. This ensures that
1492 // new and existing navigations in the tab's current SiteInstances are
1493 // identified properly.
creis3da03872015-02-20 21:12:321494 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
avib7348942015-12-25 20:57:101495 int32_t site_max_page_id =
avi2b177592014-12-10 02:08:021496 delegate_->GetMaxPageIDForSiteInstance(last_committed->site_instance());
[email protected]ec6c05f2013-10-23 18:41:571497 delegate_->CopyMaxPageIDsFrom(source->delegate()->GetWebContents());
avi2b177592014-12-10 02:08:021498 delegate_->UpdateMaxPageIDForSiteInstance(last_committed->site_instance(),
1499 site_max_page_id);
[email protected]f69ed362014-04-28 14:01:421500 max_restored_page_id_ = source->max_restored_page_id_;
[email protected]e1cd5452010-08-26 18:03:251501}
1502
[email protected]79368982013-11-13 01:11:011503bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161504 // If there is no last committed entry, we cannot prune. Even if there is a
1505 // pending entry, it may not commit, leaving this WebContents blank, despite
1506 // possibly giving it new entries via CopyStateFromAndPrune.
1507 if (last_committed_entry_index_ == -1)
1508 return false;
[email protected]9350602e2013-02-26 23:27:441509
[email protected]474f8512013-05-31 22:31:161510 // We cannot prune if there is a pending entry at an existing entry index.
1511 // It may not commit, so we have to keep the last committed entry, and thus
1512 // there is no sensible place to keep the pending entry. It is ok to have
1513 // a new pending entry, which can optionally commit as a new navigation.
1514 if (pending_entry_index_ != -1)
1515 return false;
1516
1517 // We should not prune if we are currently showing a transient entry.
1518 if (transient_entry_index_ != -1)
1519 return false;
1520
1521 return true;
1522}
1523
[email protected]79368982013-11-13 01:11:011524void NavigationControllerImpl::PruneAllButLastCommitted() {
1525 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161526
avi2b177592014-12-10 02:08:021527 DCHECK_EQ(0, last_committed_entry_index_);
1528 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441529
avi2b177592014-12-10 02:08:021530 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1531 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441532}
1533
[email protected]79368982013-11-13 01:11:011534void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161535 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011536 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261537
[email protected]474f8512013-05-31 22:31:161538 // Erase all entries but the last committed entry. There may still be a
1539 // new pending entry after this.
1540 entries_.erase(entries_.begin(),
1541 entries_.begin() + last_committed_entry_index_);
1542 entries_.erase(entries_.begin() + 1, entries_.end());
1543 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261544}
1545
[email protected]15f46dc2013-01-24 05:40:241546void NavigationControllerImpl::ClearAllScreenshots() {
[email protected]1a3f5312013-04-26 21:00:101547 screenshot_manager_->ClearAllScreenshots();
[email protected]15f46dc2013-01-24 05:40:241548}
1549
[email protected]d1198fd2012-08-13 22:50:191550void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:301551 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:211552 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:191553 if (!session_storage_namespace)
1554 return;
1555
1556 // We can't overwrite an existing SessionStorage without violating spec.
1557 // Attempts to do so may give a tab access to another tab's session storage
1558 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:301559 bool successful_insert = session_storage_namespace_map_.insert(
1560 make_pair(partition_id,
1561 static_cast<SessionStorageNamespaceImpl*>(
1562 session_storage_namespace)))
1563 .second;
1564 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:191565}
1566
avib7348942015-12-25 20:57:101567void NavigationControllerImpl::SetMaxRestoredPageID(int32_t max_id) {
[email protected]71fde352011-12-29 03:29:561568 max_restored_page_id_ = max_id;
1569}
1570
avib7348942015-12-25 20:57:101571int32_t NavigationControllerImpl::GetMaxRestoredPageID() const {
[email protected]71fde352011-12-29 03:29:561572 return max_restored_page_id_;
[email protected]a26023822011-12-29 00:23:551573}
1574
[email protected]aa62afd2014-04-22 19:22:461575bool NavigationControllerImpl::IsUnmodifiedBlankTab() const {
[email protected]aa62afd2014-04-22 19:22:461576 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:101577 !GetLastCommittedEntry() &&
1578 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:461579}
1580
[email protected]a26023822011-12-29 00:23:551581SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:301582NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
1583 std::string partition_id;
1584 if (instance) {
1585 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
1586 // this if statement so |instance| must not be NULL.
1587 partition_id =
1588 GetContentClient()->browser()->GetStoragePartitionIdForSite(
1589 browser_context_, instance->GetSiteURL());
1590 }
[email protected]d1198fd2012-08-13 22:50:191591
[email protected]fdac6ade2013-07-20 01:06:301592 SessionStorageNamespaceMap::const_iterator it =
1593 session_storage_namespace_map_.find(partition_id);
1594 if (it != session_storage_namespace_map_.end())
1595 return it->second.get();
1596
1597 // Create one if no one has accessed session storage for this partition yet.
1598 //
1599 // TODO(ajwong): Should this use the |partition_id| directly rather than
1600 // re-lookup via |instance|? http://crbug.com/142685
1601 StoragePartition* partition =
1602 BrowserContext::GetStoragePartition(browser_context_, instance);
1603 SessionStorageNamespaceImpl* session_storage_namespace =
1604 new SessionStorageNamespaceImpl(
[email protected]5f2aa722013-08-07 16:59:411605 static_cast<DOMStorageContextWrapper*>(
[email protected]fdac6ade2013-07-20 01:06:301606 partition->GetDOMStorageContext()));
1607 session_storage_namespace_map_[partition_id] = session_storage_namespace;
1608
1609 return session_storage_namespace;
1610}
1611
1612SessionStorageNamespace*
1613NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
1614 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
1615 return GetSessionStorageNamespace(NULL);
1616}
1617
1618const SessionStorageNamespaceMap&
1619NavigationControllerImpl::GetSessionStorageNamespaceMap() const {
1620 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:551621}
[email protected]d202a7c2012-01-04 07:53:471622
1623bool NavigationControllerImpl::NeedsReload() const {
[email protected]71fde352011-12-29 03:29:561624 return needs_reload_;
1625}
[email protected]a26023822011-12-29 00:23:551626
[email protected]46bb5e9c2013-10-03 22:16:471627void NavigationControllerImpl::SetNeedsReload() {
1628 needs_reload_ = true;
jaekyunc8cefa82015-01-09 20:14:541629
1630 if (last_committed_entry_index_ != -1) {
1631 entries_[last_committed_entry_index_]->SetTransitionType(
1632 ui::PAGE_TRANSITION_RELOAD);
1633 }
[email protected]46bb5e9c2013-10-03 22:16:471634}
1635
[email protected]d202a7c2012-01-04 07:53:471636void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:551637 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:121638 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:311639
1640 DiscardNonCommittedEntries();
1641
1642 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:121643 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:311644 last_committed_entry_index_--;
1645}
1646
[email protected]d202a7c2012-01-04 07:53:471647void NavigationControllerImpl::DiscardNonCommittedEntries() {
[email protected]cbab76d2008-10-13 22:42:471648 bool transient = transient_entry_index_ != -1;
1649 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:291650
[email protected]cbab76d2008-10-13 22:42:471651 // If there was a transient entry, invalidate everything so the new active
1652 // entry state is shown.
1653 if (transient) {
[email protected]7f924832014-08-09 05:57:221654 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:471655 }
initial.commit09911bf2008-07-26 23:55:291656}
1657
creis3da03872015-02-20 21:12:321658NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() const {
[email protected]022af742011-12-28 18:37:251659 return pending_entry_;
1660}
1661
[email protected]d202a7c2012-01-04 07:53:471662int NavigationControllerImpl::GetPendingEntryIndex() const {
[email protected]a26023822011-12-29 00:23:551663 return pending_entry_index_;
1664}
1665
avi25764702015-06-23 15:43:371666void NavigationControllerImpl::InsertOrReplaceEntry(
1667 scoped_ptr<NavigationEntryImpl> entry, bool replace) {
Sylvain Defresnec6ccc77d2014-09-19 10:19:351668 DCHECK(entry->GetTransitionType() != ui::PAGE_TRANSITION_AUTO_SUBFRAME);
[email protected]765b35502008-08-21 00:51:201669
avi5cad4912015-06-19 05:25:441670 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
1671 // need to keep continuity with the pending entry, so copy the pending entry's
1672 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
1673 // then the renderer navigated on its own, independent of the pending entry,
1674 // so don't copy anything.
1675 if (pending_entry_ && pending_entry_index_ == -1)
1676 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:201677
[email protected]cbab76d2008-10-13 22:42:471678 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:201679
1680 int current_size = static_cast<int>(entries_.size());
creisee17e932015-07-17 17:56:221681
1682 // When replacing, don't prune the forward history.
creis37979a62015-08-04 19:48:181683 if (replace && current_size > 0) {
avib7348942015-12-25 20:57:101684 int32_t page_id = entry->GetPageID();
creisee17e932015-07-17 17:56:221685
avif16f85a72015-11-13 18:25:031686 entries_[last_committed_entry_index_] = entry.Pass();
creisee17e932015-07-17 17:56:221687
1688 // This is a new page ID, so we need everybody to know about it.
1689 delegate_->UpdateMaxPageID(page_id);
1690 return;
1691 }
[email protected]765b35502008-08-21 00:51:201692
creis37979a62015-08-04 19:48:181693 // We shouldn't see replace == true when there's no committed entries.
1694 DCHECK(!replace);
1695
[email protected]765b35502008-08-21 00:51:201696 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:451697 // Prune any entries which are in front of the current entry.
[email protected]47dcbdc2011-05-27 15:08:311698 // last_committed_entry_index_ must be updated here since calls to
1699 // NotifyPrunedEntries() below may re-enter and we must make sure
1700 // last_committed_entry_index_ is not left in an invalid state.
[email protected]c12bf1a12008-09-17 16:28:491701 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:311702 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:491703 num_pruned++;
[email protected]765b35502008-08-21 00:51:201704 entries_.pop_back();
1705 current_size--;
1706 }
[email protected]c12bf1a12008-09-17 16:28:491707 if (num_pruned > 0) // Only notify if we did prune something.
1708 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:201709 }
1710
[email protected]944822b2012-03-02 20:57:251711 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:201712
avib7348942015-12-25 20:57:101713 int32_t page_id = entry->GetPageID();
avi25764702015-06-23 15:43:371714 entries_.push_back(entry.Pass());
[email protected]765b35502008-08-21 00:51:201715 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
[email protected]e9ba4472008-09-14 15:42:431716
1717 // This is a new page ID, so we need everybody to know about it.
avi25764702015-06-23 15:43:371718 delegate_->UpdateMaxPageID(page_id);
initial.commit09911bf2008-07-26 23:55:291719}
1720
[email protected]944822b2012-03-02 20:57:251721void NavigationControllerImpl::PruneOldestEntryIfFull() {
1722 if (entries_.size() >= max_entry_count()) {
1723 DCHECK_EQ(max_entry_count(), entries_.size());
[email protected]e6fec472013-05-14 05:29:021724 DCHECK_GT(last_committed_entry_index_, 0);
[email protected]944822b2012-03-02 20:57:251725 RemoveEntryAtIndex(0);
1726 NotifyPrunedEntries(this, true, 1);
1727 }
1728}
1729
[email protected]d202a7c2012-01-04 07:53:471730void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
[email protected]72097fd02010-01-21 23:36:011731 needs_reload_ = false;
1732
[email protected]83c2e232011-10-07 21:36:461733 // If we were navigating to a slow-to-commit page, and the user performs
1734 // a session history navigation to the last committed page, RenderViewHost
1735 // will force the throbber to start, but WebKit will essentially ignore the
1736 // navigation, and won't send a message to stop the throbber. To prevent this
1737 // from happening, we drop the navigation here and stop the slow-to-commit
1738 // page from loading (which would normally happen during the navigation).
1739 if (pending_entry_index_ != -1 &&
1740 pending_entry_index_ == last_committed_entry_index_ &&
1741 (entries_[pending_entry_index_]->restore_type() ==
[email protected]10f417c52011-12-28 21:04:231742 NavigationEntryImpl::RESTORE_NONE) &&
[email protected]36fc0392011-12-25 03:59:511743 (entries_[pending_entry_index_]->GetTransitionType() &
Sylvain Defresnec6ccc77d2014-09-19 10:19:351744 ui::PAGE_TRANSITION_FORWARD_BACK)) {
[email protected]ec6c05f2013-10-23 18:41:571745 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:121746
1747 // If an interstitial page is showing, we want to close it to get back
1748 // to what was showing before.
[email protected]ec6c05f2013-10-23 18:41:571749 if (delegate_->GetInterstitialPage())
1750 delegate_->GetInterstitialPage()->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:121751
[email protected]83c2e232011-10-07 21:36:461752 DiscardNonCommittedEntries();
1753 return;
1754 }
1755
[email protected]6a13a6c2011-12-20 21:47:121756 // If an interstitial page is showing, the previous renderer is blocked and
1757 // cannot make new requests. Unblock (and disable) it to allow this
1758 // navigation to succeed. The interstitial will stay visible until the
1759 // resulting DidNavigate.
[email protected]ec6c05f2013-10-23 18:41:571760 if (delegate_->GetInterstitialPage()) {
1761 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())->
[email protected]cadaec52012-02-08 21:53:131762 CancelForNavigation();
1763 }
[email protected]6a13a6c2011-12-20 21:47:121764
initial.commit09911bf2008-07-26 23:55:291765 // For session history navigations only the pending_entry_index_ is set.
1766 if (!pending_entry_) {
avicc872d7242015-08-19 21:26:341767 CHECK_NE(pending_entry_index_, -1);
avif16f85a72015-11-13 18:25:031768 pending_entry_ = entries_[pending_entry_index_].get();
initial.commit09911bf2008-07-26 23:55:291769 }
1770
creiscf40d9c2015-09-11 18:20:541771 // Any renderer-side debug URLs or javascript: URLs should be ignored if the
1772 // renderer process is not live, unless it is the initial navigation of the
1773 // tab.
1774 if (IsRendererDebugURL(pending_entry_->GetURL())) {
1775 // TODO(creis): Find the RVH for the correct frame.
1776 if (!delegate_->GetRenderViewHost()->IsRenderViewLive() &&
1777 !IsInitialNavigation()) {
1778 DiscardNonCommittedEntries();
1779 return;
1780 }
1781 }
1782
[email protected]40fd3032014-02-28 22:16:281783 // This call does not support re-entrancy. See http://crbug.com/347742.
1784 CHECK(!in_navigate_to_pending_entry_);
1785 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:301786 bool success = NavigateToPendingEntryInternal(reload_type);
[email protected]40fd3032014-02-28 22:16:281787 in_navigate_to_pending_entry_ = false;
1788
1789 if (!success)
[email protected]cbab76d2008-10-13 22:42:471790 DiscardNonCommittedEntries();
initial.commit09911bf2008-07-26 23:55:291791}
1792
creis4e2ecb72015-06-20 00:46:301793bool NavigationControllerImpl::NavigateToPendingEntryInternal(
1794 ReloadType reload_type) {
1795 DCHECK(pending_entry_);
1796 FrameTreeNode* root = delegate_->GetFrameTree()->root();
1797
1798 // In default Chrome, there are no subframe FrameNavigationEntries. Either
1799 // navigate the main frame or use the main frame's FrameNavigationEntry to
1800 // tell the indicated frame where to go.
nickd30fd962015-07-27 21:51:081801 if (!SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis4e2ecb72015-06-20 00:46:301802 FrameNavigationEntry* frame_entry = GetPendingEntry()->GetFrameEntry(root);
1803 FrameTreeNode* frame = root;
1804 int ftn_id = GetPendingEntry()->frame_tree_node_id();
1805 if (ftn_id != -1) {
1806 frame = delegate_->GetFrameTree()->FindByID(ftn_id);
1807 DCHECK(frame);
1808 }
1809 return frame->navigator()->NavigateToPendingEntry(frame, *frame_entry,
1810 reload_type, false);
1811 }
1812
1813 // In --site-per-process, we compare FrameNavigationEntries to see which
1814 // frames in the tree need to be navigated.
1815 FrameLoadVector same_document_loads;
1816 FrameLoadVector different_document_loads;
1817 if (GetLastCommittedEntry()) {
1818 FindFramesToNavigate(root, &same_document_loads, &different_document_loads);
1819 }
1820
1821 if (same_document_loads.empty() && different_document_loads.empty()) {
1822 // If we don't have any frames to navigate at this point, either
1823 // (1) there is no previous history entry to compare against, or
1824 // (2) we were unable to match any frames by name. In the first case,
1825 // doing a different document navigation to the root item is the only valid
1826 // thing to do. In the second case, we should have been able to find a
1827 // frame to navigate based on names if this were a same document
1828 // navigation, so we can safely assume this is the different document case.
1829 different_document_loads.push_back(
1830 std::make_pair(root, pending_entry_->GetFrameEntry(root)));
1831 }
1832
1833 // If all the frame loads fail, we will discard the pending entry.
1834 bool success = false;
1835
1836 // Send all the same document frame loads before the different document loads.
1837 for (const auto& item : same_document_loads) {
1838 FrameTreeNode* frame = item.first;
1839 success |= frame->navigator()->NavigateToPendingEntry(frame, *item.second,
1840 reload_type, true);
1841 }
1842 for (const auto& item : different_document_loads) {
1843 FrameTreeNode* frame = item.first;
1844 success |= frame->navigator()->NavigateToPendingEntry(frame, *item.second,
1845 reload_type, false);
1846 }
1847 return success;
1848}
1849
1850void NavigationControllerImpl::FindFramesToNavigate(
1851 FrameTreeNode* frame,
1852 FrameLoadVector* same_document_loads,
1853 FrameLoadVector* different_document_loads) {
1854 DCHECK(pending_entry_);
1855 DCHECK_GE(last_committed_entry_index_, 0);
1856 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
1857 FrameNavigationEntry* old_item =
1858 GetLastCommittedEntry()->GetFrameEntry(frame);
1859 if (!new_item)
1860 return;
1861
1862 // Schedule a load in this frame if the new item isn't for the same item
creis7115a702015-12-03 18:55:561863 // sequence number in the same SiteInstance. Newly restored items may not have
1864 // a SiteInstance yet, in which case it will be assigned on first commit.
creis4e2ecb72015-06-20 00:46:301865 if (!old_item ||
1866 new_item->item_sequence_number() != old_item->item_sequence_number() ||
creis7115a702015-12-03 18:55:561867 (new_item->site_instance() != nullptr &&
1868 new_item->site_instance() != old_item->site_instance())) {
creis4e2ecb72015-06-20 00:46:301869 if (old_item &&
creis4e2ecb72015-06-20 00:46:301870 new_item->document_sequence_number() ==
1871 old_item->document_sequence_number()) {
1872 same_document_loads->push_back(std::make_pair(frame, new_item));
1873 } else {
1874 different_document_loads->push_back(std::make_pair(frame, new_item));
1875 }
1876 return;
1877 }
1878
1879 for (size_t i = 0; i < frame->child_count(); i++) {
1880 FindFramesToNavigate(frame->child_at(i), same_document_loads,
1881 different_document_loads);
1882 }
1883}
1884
[email protected]d202a7c2012-01-04 07:53:471885void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:211886 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:271887 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:401888
[email protected]2db9bd72012-04-13 20:20:561889 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:401890 // location bar will have up-to-date information about the security style
1891 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:131892 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:401893
[email protected]7f924832014-08-09 05:57:221894 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:571895 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:461896
[email protected]b0f724c2013-09-05 04:21:131897 // TODO(avi): Remove. http://crbug.com/170921
1898 NotificationDetails notification_details =
1899 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:211900 NotificationService::current()->Notify(
1901 NOTIFICATION_NAV_ENTRY_COMMITTED,
1902 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:401903 notification_details);
initial.commit09911bf2008-07-26 23:55:291904}
1905
initial.commit09911bf2008-07-26 23:55:291906// static
[email protected]d202a7c2012-01-04 07:53:471907size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:231908 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
1909 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:211910 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:231911}
1912
[email protected]d202a7c2012-01-04 07:53:471913void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:221914 if (is_active && needs_reload_)
1915 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:291916}
1917
[email protected]d202a7c2012-01-04 07:53:471918void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:291919 if (!needs_reload_)
1920 return;
1921
initial.commit09911bf2008-07-26 23:55:291922 // Calling Reload() results in ignoring state, and not loading.
1923 // Explicitly use NavigateToPendingEntry so that the renderer uses the
1924 // cached state.
avicc872d7242015-08-19 21:26:341925 if (pending_entry_) {
1926 NavigateToPendingEntry(NO_RELOAD);
1927 } else if (last_committed_entry_index_ != -1) {
1928 pending_entry_index_ = last_committed_entry_index_;
1929 NavigateToPendingEntry(NO_RELOAD);
1930 } else {
1931 // If there is something to reload, the successful reload will clear the
1932 // |needs_reload_| flag. Otherwise, just do it here.
1933 needs_reload_ = false;
1934 }
initial.commit09911bf2008-07-26 23:55:291935}
1936
avi47179332015-05-20 21:01:111937void NavigationControllerImpl::NotifyEntryChanged(
1938 const NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:211939 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:091940 det.changed_entry = entry;
avi47179332015-05-20 21:01:111941 det.index = GetIndexOfEntry(
1942 NavigationEntryImpl::FromNavigationEntry(entry));
[email protected]8ff00d72012-10-23 19:12:211943 NotificationService::current()->Notify(
1944 NOTIFICATION_NAV_ENTRY_CHANGED,
1945 Source<NavigationController>(this),
1946 Details<EntryChangedDetails>(&det));
initial.commit09911bf2008-07-26 23:55:291947}
1948
[email protected]d202a7c2012-01-04 07:53:471949void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:361950 RestoreType type) {
[email protected]a26023822011-12-29 00:23:551951 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:361952 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:291953
avib7348942015-12-25 20:57:101954 SetMaxRestoredPageID(static_cast<int32_t>(GetEntryCount()));
initial.commit09911bf2008-07-26 23:55:291955
1956 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:291957}
[email protected]765b35502008-08-21 00:51:201958
[email protected]d202a7c2012-01-04 07:53:471959void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:451960 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:481961 DiscardTransientEntry();
1962}
1963
avi45a72532015-04-07 21:01:451964void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
[email protected]40fd3032014-02-28 22:16:281965 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
[email protected]e7fee58a2014-04-11 19:51:401966 // progress, since this will cause a use-after-free. (We only allow this
1967 // when the tab is being destroyed for shutdown, since it won't return to
1968 // NavigateToEntry in that case.) http://crbug.com/347742.
1969 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
[email protected]40fd3032014-02-28 22:16:281970
avi45a72532015-04-07 21:01:451971 if (was_failure && pending_entry_) {
1972 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
1973 failed_pending_entry_should_replace_ =
1974 pending_entry_->should_replace_entry();
1975 } else {
1976 failed_pending_entry_id_ = 0;
1977 }
1978
[email protected]765b35502008-08-21 00:51:201979 if (pending_entry_index_ == -1)
1980 delete pending_entry_;
1981 pending_entry_ = NULL;
1982 pending_entry_index_ = -1;
[email protected]cbab76d2008-10-13 22:42:471983}
1984
[email protected]d202a7c2012-01-04 07:53:471985void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:471986 if (transient_entry_index_ == -1)
1987 return;
[email protected]a0e69262009-06-03 19:08:481988 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:181989 if (last_committed_entry_index_ > transient_entry_index_)
1990 last_committed_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:471991 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:201992}
1993
avib7348942015-12-25 20:57:101994int NavigationControllerImpl::GetEntryIndexWithPageID(SiteInstance* instance,
1995 int32_t page_id) const {
[email protected]765b35502008-08-21 00:51:201996 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
[email protected]7f0005a2009-04-15 03:25:111997 if ((entries_[i]->site_instance() == instance) &&
[email protected]36fc0392011-12-25 03:59:511998 (entries_[i]->GetPageID() == page_id))
[email protected]765b35502008-08-21 00:51:201999 return i;
2000 }
2001 return -1;
2002}
[email protected]cbab76d2008-10-13 22:42:472003
avi7c6f35e2015-05-08 17:52:382004int NavigationControllerImpl::GetEntryIndexWithUniqueID(
2005 int nav_entry_id) const {
2006 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
2007 if (entries_[i]->GetUniqueID() == nav_entry_id)
2008 return i;
2009 }
2010 return -1;
2011}
2012
creis3da03872015-02-20 21:12:322013NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() const {
[email protected]cbab76d2008-10-13 22:42:472014 if (transient_entry_index_ == -1)
2015 return NULL;
avif16f85a72015-11-13 18:25:032016 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:472017}
[email protected]e1cd5452010-08-26 18:03:252018
avi25764702015-06-23 15:43:372019void NavigationControllerImpl::SetTransientEntry(
2020 scoped_ptr<NavigationEntry> entry) {
[email protected]0b684262013-02-20 02:18:212021 // Discard any current transient entry, we can only have one at a time.
2022 int index = 0;
2023 if (last_committed_entry_index_ != -1)
2024 index = last_committed_entry_index_ + 1;
2025 DiscardTransientEntry();
avi25764702015-06-23 15:43:372026 entries_.insert(entries_.begin() + index,
avif16f85a72015-11-13 18:25:032027 NavigationEntryImpl::FromNavigationEntry(entry.Pass()));
[email protected]0b684262013-02-20 02:18:212028 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:222029 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:212030}
2031
[email protected]d202a7c2012-01-04 07:53:472032void NavigationControllerImpl::InsertEntriesFrom(
2033 const NavigationControllerImpl& source,
[email protected]e1cd5452010-08-26 18:03:252034 int max_index) {
[email protected]a26023822011-12-29 00:23:552035 DCHECK_LE(max_index, source.GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:252036 size_t insert_index = 0;
2037 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:352038 // When cloning a tab, copy all entries except interstitial pages.
avi25764702015-06-23 15:43:372039 if (source.entries_[i]->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
creisef4a0cb2015-03-12 19:14:352040 // TODO(creis): Once we start sharing FrameNavigationEntries between
2041 // NavigationEntries, it will not be safe to share them with another tab.
2042 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:252043 entries_.insert(entries_.begin() + insert_index++,
avi25764702015-06-23 15:43:372044 source.entries_[i]->Clone().Pass());
[email protected]e1cd5452010-08-26 18:03:252045 }
2046 }
2047}
[email protected]c5b88d82012-10-06 17:03:332048
2049void NavigationControllerImpl::SetGetTimestampCallbackForTest(
2050 const base::Callback<base::Time()>& get_timestamp_callback) {
2051 get_timestamp_callback_ = get_timestamp_callback;
2052}
[email protected]8ff00d72012-10-23 19:12:212053
2054} // namespace content