blob: aec0212366f705cf5c3637198b72b327d6cb4001 [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
dcheng36b6aec92015-12-26 06:16:3638#include <utility>
39
[email protected]c5b88d82012-10-06 17:03:3340#include "base/bind.h"
[email protected]eabfe1912014-05-12 10:07:2841#include "base/command_line.h"
initial.commit09911bf2008-07-26 23:55:2942#include "base/logging.h"
dcheng9bfa5162016-04-09 01:00:5743#include "base/memory/ptr_util.h"
asvitkine30330812016-08-30 04:01:0844#include "base/metrics/histogram_macros.h"
[email protected]348fbaac2013-06-11 06:31:5145#include "base/strings/string_number_conversions.h" // Temporary
46#include "base/strings/string_util.h"
[email protected]74ebfb12013-06-07 20:48:0047#include "base/strings/utf_string_conversions.h"
[email protected]a43858f2013-06-28 15:18:3748#include "base/time/time.h"
ssid3e765612015-01-28 04:03:4249#include "base/trace_event/trace_event.h"
servolkf3955532015-05-16 00:01:5950#include "build/build_config.h"
[email protected]eabfe1912014-05-12 10:07:2851#include "cc/base/switches.h"
jamescookda2505812015-03-20 18:01:1852#include "content/browser/bad_message.h"
[email protected]825b1662012-03-12 19:07:3153#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4154#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0455#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]d4a8ca482013-10-30 21:06:4056#include "content/browser/frame_host/debug_urls.h"
57#include "content/browser/frame_host/interstitial_page_impl.h"
58#include "content/browser/frame_host/navigation_entry_impl.h"
[email protected]d1581d72013-11-05 19:11:2659#include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
csharrison9a9142bc42016-03-01 17:24:0460#include "content/browser/frame_host/navigation_handle_impl.h"
creis4e2ecb72015-06-20 00:46:3061#include "content/browser/frame_host/navigator.h"
[email protected]b3c41c0b2012-03-06 15:48:3262#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary
[email protected]b6583592012-01-25 19:52:3363#include "content/browser/site_instance_impl.h"
[email protected]37567b432014-02-12 01:12:2264#include "content/common/frame_messages.h"
Charlie Reisa2e1ab52017-12-06 00:03:1365#include "content/common/site_isolation_policy.h"
[email protected]0aed2f52011-03-23 18:06:3666#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1167#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1968#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4669#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0070#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3871#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1672#include "content/public/browser/notification_types.h"
[email protected]9677a3c2012-12-22 04:18:5873#include "content/public/browser/render_widget_host.h"
74#include "content/public/browser/render_widget_host_view.h"
[email protected]4c3a23582012-08-18 08:54:3475#include "content/public/browser/storage_partition.h"
[email protected]d1198fd2012-08-13 22:50:1976#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3877#include "content/public/common/content_constants.h"
toyoshim86e34ec2016-02-25 08:56:1078#include "content/public/common/content_features.h"
clamy7fced7b2017-11-16 19:52:4379#include "content/public/common/url_utils.h"
servolkf3955532015-05-16 00:01:5980#include "media/base/mime_util.h"
[email protected]a23de8572009-06-03 02:16:3281#include "net/base/escape.h"
[email protected]9677a3c2012-12-22 04:18:5882#include "skia/ext/platform_canvas.h"
Kinuko Yasuda74702f92017-07-31 03:27:5383#include "third_party/WebKit/common/mime_util/mime_util.h"
[email protected]cca6f392014-05-28 21:32:2684#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2985
[email protected]8ff00d72012-10-23 19:12:2186namespace content {
[email protected]e9ba4472008-09-14 15:42:4387namespace {
88
89// Invoked when entries have been pruned, or removed. For example, if the
90// current entries are [google, digg, yahoo], with the current entry google,
91// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4792void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4993 bool from_front,
94 int count) {
[email protected]8ff00d72012-10-23 19:12:2195 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4996 details.from_front = from_front;
97 details.count = count;
Sam McNally5c087a32017-08-25 01:46:1498 nav_controller->delegate()->NotifyNavigationListPruned(details);
[email protected]e9ba4472008-09-14 15:42:4399}
100
101// Ensure the given NavigationEntry has a valid state, so that WebKit does not
102// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:39103//
[email protected]e9ba4472008-09-14 15:42:43104// An empty state is treated as a new navigation by WebKit, which would mean
105// losing the navigation entries and generating a new navigation entry after
106// this one. We don't want that. To avoid this we create a valid state which
107// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:04108void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
109 if (!entry->GetPageState().IsValid())
110 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:43111}
112
113// Configure all the NavigationEntries in entries for restore. This resets
114// the transition type to reload and makes sure the content state isn't empty.
115void ConfigureEntriesForRestore(
dcheng9bfa5162016-04-09 01:00:57116 std::vector<std::unique_ptr<NavigationEntryImpl>>* entries,
toyoshim0df1d3a2016-09-09 09:52:48117 RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:43118 for (size_t i = 0; i < entries->size(); ++i) {
119 // Use a transition type of reload so that we don't incorrectly increase
120 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35121 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
toyoshim0df1d3a2016-09-09 09:52:48122 (*entries)[i]->set_restore_type(type);
[email protected]e9ba4472008-09-14 15:42:43123 // NOTE(darin): This code is only needed for backwards compat.
avif16f85a72015-11-13 18:25:03124 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43125 }
126}
127
[email protected]bf70edce2012-06-20 22:32:22128// Determines whether or not we should be carrying over a user agent override
129// between two NavigationEntries.
[email protected]8ff00d72012-10-23 19:12:21130bool ShouldKeepOverride(const NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22131 return last_entry && last_entry->GetIsOverridingUserAgent();
132}
133
ananta3bdd8ae2016-12-22 17:11:55134// Returns true if the PageTransition in the |entry| require this navigation to
135// be treated as a reload. For e.g. navigating to the last committed url via
136// the address bar or clicking on a link which results in a navigation to the
137// last committed or pending navigation, etc.
138bool ShouldTreatNavigationAsReload(const NavigationEntry* entry) {
139 if (!entry)
140 return false;
141
arthursonzogni7a8243682017-12-14 16:41:42142 // Skip navigations initiated by external applications.
143 if (entry->GetTransitionType() & ui::PAGE_TRANSITION_FROM_API)
144 return false;
145
ananta3bdd8ae2016-12-22 17:11:55146 // We treat (PAGE_TRANSITION_RELOAD | PAGE_TRANSITION_FROM_ADDRESS_BAR),
147 // PAGE_TRANSITION_TYPED or PAGE_TRANSITION_LINK transitions as navigations
148 // which should be treated as reloads.
149 if ((ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
150 ui::PAGE_TRANSITION_RELOAD) &&
151 (entry->GetTransitionType() & ui::PAGE_TRANSITION_FROM_ADDRESS_BAR))) {
152 return true;
153 }
154
155 if (ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
156 ui::PAGE_TRANSITION_TYPED)) {
157 return true;
158 }
159
160 if (ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
161 ui::PAGE_TRANSITION_LINK)) {
162 return true;
163 }
164 return false;
165}
166
[email protected]e9ba4472008-09-14 15:42:43167} // namespace
168
[email protected]d202a7c2012-01-04 07:53:47169// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29170
[email protected]23a918b2014-07-15 09:51:36171const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23172
[email protected]765b35502008-08-21 00:51:20173// static
[email protected]d202a7c2012-01-04 07:53:47174size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23175 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20176
[email protected]e6fec472013-05-14 05:29:02177// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20178// when testing.
179static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29180
[email protected]71fde352011-12-29 03:29:56181// static
dcheng9bfa5162016-04-09 01:00:57182std::unique_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
183 const GURL& url,
184 const Referrer& referrer,
185 ui::PageTransition transition,
186 bool is_renderer_initiated,
187 const std::string& extra_headers,
188 BrowserContext* browser_context) {
creis94a977f62015-02-18 23:51:05189 // Fix up the given URL before letting it be rewritten, so that any minor
190 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
191 GURL dest_url(url);
192 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(&dest_url,
193 browser_context);
194
[email protected]71fde352011-12-29 03:29:56195 // Allow the browser URL handler to rewrite the URL. This will, for example,
196 // remove "view-source:" from the beginning of the URL to get the URL that
197 // will actually be loaded. This real URL won't be shown to the user, just
198 // used internally.
creis94a977f62015-02-18 23:51:05199 GURL loaded_url(dest_url);
[email protected]71fde352011-12-29 03:29:56200 bool reverse_on_redirect = false;
[email protected]825b1662012-03-12 19:07:31201 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
[email protected]71fde352011-12-29 03:29:56202 &loaded_url, browser_context, &reverse_on_redirect);
203
204 NavigationEntryImpl* entry = new NavigationEntryImpl(
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28205 nullptr, // The site instance for tabs is sent on navigation
206 // (WebContents::GetSiteInstance).
207 loaded_url, referrer, base::string16(), transition,
[email protected]71fde352011-12-29 03:29:56208 is_renderer_initiated);
creis94a977f62015-02-18 23:51:05209 entry->SetVirtualURL(dest_url);
210 entry->set_user_typed_url(dest_url);
[email protected]71fde352011-12-29 03:29:56211 entry->set_update_virtual_url_with_url(reverse_on_redirect);
212 entry->set_extra_headers(extra_headers);
dcheng9bfa5162016-04-09 01:00:57213 return base::WrapUnique(entry);
[email protected]71fde352011-12-29 03:29:56214}
215
[email protected]cdcb1dee2012-01-04 00:46:20216// static
217void NavigationController::DisablePromptOnRepost() {
218 g_check_for_repost = false;
219}
220
[email protected]c5b88d82012-10-06 17:03:33221base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
222 base::Time t) {
223 // If |t| is between the water marks, we're in a run of duplicates
224 // or just getting out of it, so increase the high-water mark to get
225 // a time that probably hasn't been used before and return it.
226 if (low_water_mark_ <= t && t <= high_water_mark_) {
227 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
228 return high_water_mark_;
229 }
230
231 // Otherwise, we're clear of the last duplicate run, so reset the
232 // water marks.
233 low_water_mark_ = high_water_mark_ = t;
234 return t;
235}
236
[email protected]d202a7c2012-01-04 07:53:47237NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57238 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19239 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37240 : browser_context_(browser_context),
ananta3bdd8ae2016-12-22 17:11:55241 pending_entry_(nullptr),
242 last_pending_entry_(nullptr),
avi45a72532015-04-07 21:01:45243 failed_pending_entry_id_(0),
[email protected]765b35502008-08-21 00:51:20244 last_committed_entry_index_(-1),
245 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47246 transient_entry_index_(-1),
ananta3bdd8ae2016-12-22 17:11:55247 last_pending_entry_index_(-1),
248 last_transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57249 delegate_(delegate),
[email protected]69e797f2013-04-30 01:10:22250 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57251 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09252 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28253 in_navigate_to_pending_entry_(false),
toyoshim0df1d3a2016-09-09 09:52:48254 pending_reload_(ReloadType::NONE),
[email protected]8cea7892013-02-06 06:49:31255 get_timestamp_callback_(base::Bind(&base::Time::Now)),
toyoshima63c2a62016-09-29 09:03:26256 screenshot_manager_(new NavigationEntryScreenshotManager(this)),
257 last_committed_reload_type_(ReloadType::NONE) {
[email protected]3d7474ff2011-07-27 17:47:37258 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29259}
260
[email protected]d202a7c2012-01-04 07:53:47261NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47262 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29263}
264
[email protected]d202a7c2012-01-04 07:53:47265WebContents* NavigationControllerImpl::GetWebContents() const {
[email protected]ec6c05f2013-10-23 18:41:57266 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32267}
268
[email protected]d202a7c2012-01-04 07:53:47269BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
[email protected]a26023822011-12-29 00:23:55270 return browser_context_;
271}
272
[email protected]d202a7c2012-01-04 07:53:47273void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30274 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36275 RestoreType type,
dcheng9bfa5162016-04-09 01:00:57276 std::vector<std::unique_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57277 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55278 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57279 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14280 selected_navigation < static_cast<int>(entries->size()));
arthursonzogni5c4c202d2017-04-25 23:41:27281 DCHECK_EQ(-1, pending_entry_index_);
[email protected]ce3fa3c2009-04-20 19:55:57282
[email protected]ce3fa3c2009-04-20 19:55:57283 needs_reload_ = true;
avif16f85a72015-11-13 18:25:03284 entries_.reserve(entries->size());
285 for (auto& entry : *entries)
dcheng36b6aec92015-12-26 06:16:36286 entries_.push_back(
287 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
avif16f85a72015-11-13 18:25:03288
289 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
290 // cleared out safely.
291 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57292
293 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36294 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57295}
296
toyoshim6142d96f2016-12-19 09:07:25297void NavigationControllerImpl::Reload(ReloadType reload_type,
298 bool check_for_repost) {
liaoyuke9168fba2017-03-10 19:20:28299 DCHECK_NE(ReloadType::NONE, reload_type);
300
[email protected]669e0ba2012-08-30 23:57:36301 if (transient_entry_index_ != -1) {
302 // If an interstitial is showing, treat a reload as a navigation to the
303 // transient entry's URL.
creis3da03872015-02-20 21:12:32304 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27305 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36306 return;
[email protected]6286a3792013-10-09 04:03:27307 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21308 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35309 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27310 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47311 return;
[email protected]669e0ba2012-08-30 23:57:36312 }
[email protected]cbab76d2008-10-13 22:42:47313
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28314 NavigationEntryImpl* entry = nullptr;
[email protected]59167c22013-06-03 18:07:32315 int current_index = -1;
316
317 // If we are reloading the initial navigation, just use the current
318 // pending entry. Otherwise look up the current entry.
319 if (IsInitialNavigation() && pending_entry_) {
320 entry = pending_entry_;
321 // The pending entry might be in entries_ (e.g., after a Clone), so we
322 // should also update the current_index.
323 current_index = pending_entry_index_;
324 } else {
325 DiscardNonCommittedEntriesInternal();
326 current_index = GetCurrentEntryIndex();
327 if (current_index != -1) {
creis3da03872015-02-20 21:12:32328 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32329 }
[email protected]979a4bc2013-04-24 01:27:15330 }
[email protected]241db352013-04-22 18:04:05331
[email protected]59167c22013-06-03 18:07:32332 // If we are no where, then we can't reload. TODO(darin): We should add a
333 // CanReload method.
334 if (!entry)
335 return;
336
toyoshima63c2a62016-09-29 09:03:26337 // Check if previous navigation was a reload to track consecutive reload
338 // operations.
339 if (last_committed_reload_type_ != ReloadType::NONE) {
340 DCHECK(!last_committed_reload_time_.is_null());
341 base::Time now =
342 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
343 DCHECK_GT(now, last_committed_reload_time_);
344 if (!last_committed_reload_time_.is_null() &&
345 now > last_committed_reload_time_) {
346 base::TimeDelta delta = now - last_committed_reload_time_;
347 UMA_HISTOGRAM_MEDIUM_TIMES("Navigation.Reload.ReloadToReloadDuration",
348 delta);
toyoshimb0d4eed32016-12-09 06:03:04349 if (last_committed_reload_type_ == ReloadType::NORMAL) {
toyoshima63c2a62016-09-29 09:03:26350 UMA_HISTOGRAM_MEDIUM_TIMES(
351 "Navigation.Reload.ReloadMainResourceToReloadDuration", delta);
352 }
353 }
354 }
355
356 // Set ReloadType for |entry| in order to check it at commit time.
357 entry->set_reload_type(reload_type);
358
[email protected]cdcb1dee2012-01-04 00:46:20359 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32360 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30361 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07362 // they really want to do this. If they do, the dialog will call us back
363 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57364 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02365
[email protected]106a0812010-03-18 00:15:12366 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57367 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29368 } else {
[email protected]59167c22013-06-03 18:07:32369 if (!IsInitialNavigation())
370 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26371
[email protected]bcd904482012-02-01 01:54:22372 // If we are reloading an entry that no longer belongs to the current
avif9a94c7e2016-10-14 15:54:11373 // SiteInstance (for example, refreshing a page for just installed app), the
374 // reload must happen in a new process. The new entry behaves as new
375 // navigation (which happens to clear forward history). Tabs that are
376 // discarded due to low memory conditions may not have a SiteInstance, and
377 // should not be treated as a cross-site reload.
[email protected]59167c22013-06-03 18:07:32378 SiteInstanceImpl* site_instance = entry->site_instance();
[email protected]fb4cc8e2013-12-17 17:56:21379 // Permit reloading guests without further checks.
paulmeyer1aeba7aa2015-06-16 18:25:10380 bool is_for_guests_only = site_instance && site_instance->HasProcess() &&
381 site_instance->GetProcess()->IsForGuestsOnly();
382 if (!is_for_guests_only && site_instance &&
[email protected]7e58cb272012-03-30 21:22:30383 site_instance->HasWrongProcessForURL(entry->GetURL())) {
[email protected]bcd904482012-02-01 01:54:22384 // Create a navigation entry that resembles the current one, but do not
avi0b7df5b2015-07-18 23:16:46385 // copy page id, site instance, content state, or timestamp.
[email protected]bcd904482012-02-01 01:54:22386 NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry(
387 CreateNavigationEntry(
388 entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(),
avi25764702015-06-23 15:43:37389 false, entry->extra_headers(), browser_context_).release());
[email protected]c3b3d952012-01-31 12:52:26390
[email protected]11535962012-02-09 21:02:10391 // Mark the reload type as NO_RELOAD, so navigation will not be considered
392 // a reload in the renderer.
toyoshim0df1d3a2016-09-09 09:52:48393 reload_type = ReloadType::NONE;
[email protected]11535962012-02-09 21:02:10394
[email protected]e2caa032012-11-15 23:29:18395 nav_entry->set_should_replace_entry(true);
[email protected]bcd904482012-02-01 01:54:22396 pending_entry_ = nav_entry;
avi0b7df5b2015-07-18 23:16:46397 DCHECK_EQ(-1, pending_entry_index_);
[email protected]bcd904482012-02-01 01:54:22398 } else {
[email protected]59167c22013-06-03 18:07:32399 pending_entry_ = entry;
[email protected]bcd904482012-02-01 01:54:22400 pending_entry_index_ = current_index;
401
Sylvain Defresnec6ccc77d2014-09-19 10:19:35402 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22403 }
404
[email protected]1ccb3568d2010-02-19 10:51:16405 NavigateToPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29406 }
407}
408
[email protected]d202a7c2012-01-04 07:53:47409void NavigationControllerImpl::CancelPendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48410 DCHECK(pending_reload_ != ReloadType::NONE);
411 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12412}
413
[email protected]d202a7c2012-01-04 07:53:47414void NavigationControllerImpl::ContinuePendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48415 if (pending_reload_ == ReloadType::NONE) {
[email protected]106a0812010-03-18 00:15:12416 NOTREACHED();
417 } else {
toyoshim6142d96f2016-12-19 09:07:25418 Reload(pending_reload_, false);
toyoshim0df1d3a2016-09-09 09:52:48419 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12420 }
421}
422
[email protected]cd2e15742013-03-08 04:08:31423bool NavigationControllerImpl::IsInitialNavigation() const {
[email protected]27ba81c2012-08-21 17:04:09424 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11425}
426
creis10a4ab72015-10-13 17:22:40427bool NavigationControllerImpl::IsInitialBlankNavigation() const {
428 // TODO(creis): Once we create a NavigationEntry for the initial blank page,
toyoshim0df1d3a2016-09-09 09:52:48429 // we'll need to check for entry count 1 and restore_type NONE (to exclude
430 // the cloned tab case).
creis10a4ab72015-10-13 17:22:40431 return IsInitialNavigation() && GetEntryCount() == 0;
432}
433
avi254eff02015-07-01 08:27:58434NavigationEntryImpl*
435NavigationControllerImpl::GetEntryWithUniqueID(int nav_entry_id) const {
436 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03437 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58438}
439
avi25764702015-06-23 15:43:37440void NavigationControllerImpl::LoadEntry(
dcheng9bfa5162016-04-09 01:00:57441 std::unique_ptr<NavigationEntryImpl> entry) {
ananta3bdd8ae2016-12-22 17:11:55442 // Remember the last pending entry for which we haven't received a response
443 // yet. This will be deleted in the NavigateToPendingEntry() function.
arthursonzogni5c4c202d2017-04-25 23:41:27444 DCHECK_EQ(nullptr, last_pending_entry_);
445 DCHECK_EQ(-1, last_pending_entry_index_);
ananta3bdd8ae2016-12-22 17:11:55446 last_pending_entry_ = pending_entry_;
447 last_pending_entry_index_ = pending_entry_index_;
448 last_transient_entry_index_ = transient_entry_index_;
arthursonzogni5c4c202d2017-04-25 23:41:27449
ananta3bdd8ae2016-12-22 17:11:55450 pending_entry_ = nullptr;
arthursonzogni5c4c202d2017-04-25 23:41:27451 pending_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:20452 // When navigating to a new page, we don't know for sure if we will actually
453 // end up leaving the current page. The new page load could for example
454 // result in a download or a 'no content' response (e.g., a mailto: URL).
dcheng36b6aec92015-12-26 06:16:36455 SetPendingEntry(std::move(entry));
toyoshim0df1d3a2016-09-09 09:52:48456 NavigateToPendingEntry(ReloadType::NONE);
[email protected]59167c22013-06-03 18:07:32457}
458
avi25764702015-06-23 15:43:37459void NavigationControllerImpl::SetPendingEntry(
dcheng9bfa5162016-04-09 01:00:57460 std::unique_ptr<NavigationEntryImpl> entry) {
[email protected]cbab76d2008-10-13 22:42:47461 DiscardNonCommittedEntriesInternal();
avi25764702015-06-23 15:43:37462 pending_entry_ = entry.release();
arthursonzogni5c4c202d2017-04-25 23:41:27463 DCHECK_EQ(-1, pending_entry_index_);
[email protected]8ff00d72012-10-23 19:12:21464 NotificationService::current()->Notify(
465 NOTIFICATION_NAV_ENTRY_PENDING,
466 Source<NavigationController>(this),
avi25764702015-06-23 15:43:37467 Details<NavigationEntry>(pending_entry_));
[email protected]765b35502008-08-21 00:51:20468}
469
creis3da03872015-02-20 21:12:32470NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() const {
[email protected]cbab76d2008-10-13 22:42:47471 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03472 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:47473 if (pending_entry_)
474 return pending_entry_;
475 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20476}
477
creis3da03872015-02-20 21:12:32478NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() const {
[email protected]867e1f92011-08-30 19:01:19479 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03480 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32481 // The pending entry is safe to return for new (non-history), browser-
482 // initiated navigations. Most renderer-initiated navigations should not
483 // show the pending entry, to prevent URL spoof attacks.
484 //
485 // We make an exception for renderer-initiated navigations in new tabs, as
486 // long as no other page has tried to access the initial empty document in
487 // the new tab. If another page modifies this blank page, a URL spoof is
488 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32489 bool safe_to_show_pending =
490 pending_entry_ &&
491 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09492 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32493 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46494 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32495
496 // Also allow showing the pending entry for history navigations in a new tab,
497 // such as Ctrl+Back. In this case, no existing page is visible and no one
498 // can script the new tab before it commits.
499 if (!safe_to_show_pending &&
500 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09501 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32502 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34503 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32504 safe_to_show_pending = true;
505
506 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19507 return pending_entry_;
508 return GetLastCommittedEntry();
509}
510
[email protected]d202a7c2012-01-04 07:53:47511int NavigationControllerImpl::GetCurrentEntryIndex() const {
[email protected]cbab76d2008-10-13 22:42:47512 if (transient_entry_index_ != -1)
513 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20514 if (pending_entry_index_ != -1)
515 return pending_entry_index_;
516 return last_committed_entry_index_;
517}
518
creis3da03872015-02-20 21:12:32519NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() const {
[email protected]765b35502008-08-21 00:51:20520 if (last_committed_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:28521 return nullptr;
avif16f85a72015-11-13 18:25:03522 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20523}
524
[email protected]d202a7c2012-01-04 07:53:47525bool NavigationControllerImpl::CanViewSource() const {
[email protected]ec6c05f2013-10-23 18:41:57526 const std::string& mime_type = delegate_->GetContentsMimeType();
Kinuko Yasuda74702f92017-07-31 03:27:53527 bool is_viewable_mime_type = blink::IsSupportedNonImageMimeType(mime_type) &&
528 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27529 NavigationEntry* visible_entry = GetVisibleEntry();
530 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57531 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16532}
533
[email protected]d202a7c2012-01-04 07:53:47534int NavigationControllerImpl::GetLastCommittedEntryIndex() const {
arthursonzogni5c4c202d2017-04-25 23:41:27535 // The last committed entry index must always be less than the number of
536 // entries. If there are no entries, it must be -1. However, there may be a
537 // transient entry while the last committed entry index is still -1.
538 DCHECK_LT(last_committed_entry_index_, GetEntryCount());
539 DCHECK(GetEntryCount() || last_committed_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:55540 return last_committed_entry_index_;
541}
542
[email protected]d202a7c2012-01-04 07:53:47543int NavigationControllerImpl::GetEntryCount() const {
arthursonzogni5c4c202d2017-04-25 23:41:27544 DCHECK_LE(entries_.size(), max_entry_count());
[email protected]a26023822011-12-29 00:23:55545 return static_cast<int>(entries_.size());
546}
547
creis3da03872015-02-20 21:12:32548NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(
[email protected]022af742011-12-28 18:37:25549 int index) const {
avi25764702015-06-23 15:43:37550 if (index < 0 || index >= GetEntryCount())
551 return nullptr;
552
avif16f85a72015-11-13 18:25:03553 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25554}
555
creis3da03872015-02-20 21:12:32556NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(
[email protected]022af742011-12-28 18:37:25557 int offset) const {
avi057ce1492015-06-29 15:59:47558 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20559}
560
[email protected]9ba14052012-06-22 23:50:03561int NavigationControllerImpl::GetIndexForOffset(int offset) const {
[email protected]7bc2b032012-12-19 22:45:46562 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03563}
564
[email protected]9677a3c2012-12-22 04:18:58565void NavigationControllerImpl::TakeScreenshot() {
[email protected]1a3f5312013-04-26 21:00:10566 screenshot_manager_->TakeScreenshot();
[email protected]9677a3c2012-12-22 04:18:58567}
568
[email protected]1a3f5312013-04-26 21:00:10569void NavigationControllerImpl::SetScreenshotManager(
dcheng9bfa5162016-04-09 01:00:57570 std::unique_ptr<NavigationEntryScreenshotManager> manager) {
avi67081d0ae2015-07-27 18:25:46571 if (manager.get())
dcheng36b6aec92015-12-26 06:16:36572 screenshot_manager_ = std::move(manager);
avi67081d0ae2015-07-27 18:25:46573 else
574 screenshot_manager_.reset(new NavigationEntryScreenshotManager(this));
[email protected]9677a3c2012-12-22 04:18:58575}
576
[email protected]d202a7c2012-01-04 07:53:47577bool NavigationControllerImpl::CanGoBack() const {
avi56e40c92015-08-27 00:11:22578 return CanGoToOffset(-1);
[email protected]765b35502008-08-21 00:51:20579}
580
[email protected]d202a7c2012-01-04 07:53:47581bool NavigationControllerImpl::CanGoForward() const {
avi56e40c92015-08-27 00:11:22582 return CanGoToOffset(1);
[email protected]765b35502008-08-21 00:51:20583}
584
[email protected]9ba14052012-06-22 23:50:03585bool NavigationControllerImpl::CanGoToOffset(int offset) const {
586 int index = GetIndexForOffset(offset);
587 return index >= 0 && index < GetEntryCount();
588}
589
[email protected]d202a7c2012-01-04 07:53:47590void NavigationControllerImpl::GoBack() {
toyoshim3af4d502016-03-30 12:38:12591 // Call GoToIndex rather than GoToOffset to get the NOTREACHED() check.
592 GoToIndex(GetIndexForOffset(-1));
[email protected]765b35502008-08-21 00:51:20593}
594
[email protected]d202a7c2012-01-04 07:53:47595void NavigationControllerImpl::GoForward() {
toyoshim3af4d502016-03-30 12:38:12596 // Call GoToIndex rather than GoToOffset to get the NOTREACHED() check.
597 GoToIndex(GetIndexForOffset(1));
[email protected]765b35502008-08-21 00:51:20598}
599
[email protected]d202a7c2012-01-04 07:53:47600void NavigationControllerImpl::GoToIndex(int index) {
sunjian30574a62017-03-21 21:39:44601 TRACE_EVENT0("browser,navigation,benchmark",
602 "NavigationControllerImpl::GoToIndex");
[email protected]765b35502008-08-21 00:51:20603 if (index < 0 || index >= static_cast<int>(entries_.size())) {
604 NOTREACHED();
605 return;
606 }
607
[email protected]cbab76d2008-10-13 22:42:47608 if (transient_entry_index_ != -1) {
609 if (index == transient_entry_index_) {
610 // Nothing to do when navigating to the transient.
611 return;
612 }
613 if (index > transient_entry_index_) {
614 // Removing the transient is goint to shift all entries by 1.
615 index--;
616 }
617 }
618
619 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20620
arthursonzogni5c4c202d2017-04-25 23:41:27621 DCHECK_EQ(nullptr, pending_entry_);
622 DCHECK_EQ(-1, pending_entry_index_);
623 pending_entry_ = entries_[index].get();
[email protected]765b35502008-08-21 00:51:20624 pending_entry_index_ = index;
arthursonzogni5c4c202d2017-04-25 23:41:27625 pending_entry_->SetTransitionType(ui::PageTransitionFromInt(
626 pending_entry_->GetTransitionType() | ui::PAGE_TRANSITION_FORWARD_BACK));
toyoshim0df1d3a2016-09-09 09:52:48627 NavigateToPendingEntry(ReloadType::NONE);
[email protected]765b35502008-08-21 00:51:20628}
629
[email protected]d202a7c2012-01-04 07:53:47630void NavigationControllerImpl::GoToOffset(int offset) {
toyoshim3af4d502016-03-30 12:38:12631 // Note: This is actually reached in unit tests.
[email protected]9ba14052012-06-22 23:50:03632 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20633 return;
634
[email protected]9ba14052012-06-22 23:50:03635 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20636}
637
[email protected]41374f12013-07-24 02:49:28638bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
639 if (index == last_committed_entry_index_ ||
640 index == pending_entry_index_)
641 return false;
[email protected]6a13a6c2011-12-20 21:47:12642
[email protected]43032342011-03-21 14:10:31643 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28644 return true;
[email protected]cbab76d2008-10-13 22:42:47645}
646
[email protected]d202a7c2012-01-04 07:53:47647void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23648 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32649 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31650 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51651 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
652 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32653 }
654}
655
[email protected]d202a7c2012-01-04 07:53:47656void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47657 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21658 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35659 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47660 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47661 LoadURLParams params(url);
662 params.referrer = referrer;
663 params.transition_type = transition;
664 params.extra_headers = extra_headers;
665 LoadURLWithParams(params);
666}
667
668void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43669 TRACE_EVENT1("browser,navigation",
670 "NavigationControllerImpl::LoadURLWithParams",
671 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43672 if (HandleDebugURL(params.url, params.transition_type)) {
673 // If Telemetry is running, allow the URL load to proceed as if it's
674 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49675 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43676 cc::switches::kEnableGpuBenchmarking))
677 return;
678 }
[email protected]8bf1048012012-02-08 01:22:18679
[email protected]cf002332012-08-14 19:17:47680 // Checks based on params.load_type.
681 switch (params.load_type) {
682 case LOAD_TYPE_DEFAULT:
lukasza477a5a22016-06-16 18:28:43683 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:47684 break;
685 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26686 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47687 NOTREACHED() << "Data load must use data scheme.";
688 return;
689 }
690 break;
691 default:
692 NOTREACHED();
693 break;
Charlie Reisa2e1ab52017-12-06 00:03:13694 };
[email protected]e47ae9472011-10-13 19:48:34695
[email protected]e47ae9472011-10-13 19:48:34696 // The user initiated a load, we don't need to reload anymore.
697 needs_reload_ = false;
698
[email protected]cf002332012-08-14 19:17:47699 bool override = false;
700 switch (params.override_user_agent) {
701 case UA_OVERRIDE_INHERIT:
702 override = ShouldKeepOverride(GetLastCommittedEntry());
703 break;
704 case UA_OVERRIDE_TRUE:
705 override = true;
706 break;
707 case UA_OVERRIDE_FALSE:
708 override = false;
709 break;
710 default:
711 NOTREACHED();
712 break;
[email protected]d1ef81d2012-07-24 11:39:36713 }
714
dcheng9bfa5162016-04-09 01:00:57715 std::unique_ptr<NavigationEntryImpl> entry;
creis4e2ecb72015-06-20 00:46:30716
717 // For subframes, create a pending entry with a corresponding frame entry.
718 int frame_tree_node_id = params.frame_tree_node_id;
719 if (frame_tree_node_id != -1 || !params.frame_name.empty()) {
720 FrameTreeNode* node =
721 params.frame_tree_node_id != -1
722 ? delegate_->GetFrameTree()->FindByID(params.frame_tree_node_id)
723 : delegate_->GetFrameTree()->FindByName(params.frame_name);
724 if (node && !node->IsMainFrame()) {
725 DCHECK(GetLastCommittedEntry());
726
727 // Update the FTN ID to use below in case we found a named frame.
728 frame_tree_node_id = node->frame_tree_node_id();
729
creisce0ef3572017-01-26 17:53:08730 // Create an identical NavigationEntry with a new FrameNavigationEntry for
731 // the target subframe.
732 entry = GetLastCommittedEntry()->Clone();
733 entry->AddOrUpdateFrameEntry(
734 node, -1, -1, nullptr,
735 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()),
736 params.url, params.referrer, params.redirect_chain, PageState(),
737 "GET", -1);
creis4e2ecb72015-06-20 00:46:30738 }
creis6a93a812015-04-24 23:13:17739 }
creis4e2ecb72015-06-20 00:46:30740
741 // Otherwise, create a pending entry for the main frame.
742 if (!entry) {
[email protected]11fec362017-09-11 14:06:50743 // extra_headers in params are \n separated, navigation entries want \r\n.
744 std::string extra_headers_crlf;
745 base::ReplaceChars(params.extra_headers, "\n", "\r\n", &extra_headers_crlf);
creis4e2ecb72015-06-20 00:46:30746 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
747 params.url, params.referrer, params.transition_type,
[email protected]11fec362017-09-11 14:06:50748 params.is_renderer_initiated, extra_headers_crlf, browser_context_));
naskoc7533512016-05-06 17:01:12749 entry->set_source_site_instance(
750 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
arthursonzognie6b67c20b2016-10-04 09:46:04751 entry->SetRedirectChain(params.redirect_chain);
creis4e2ecb72015-06-20 00:46:30752 }
naskoc7533512016-05-06 17:01:12753
creis4e2ecb72015-06-20 00:46:30754 // Set the FTN ID (only used in non-site-per-process, for tests).
755 entry->set_frame_tree_node_id(frame_tree_node_id);
avib6cc1562015-02-12 19:56:39756 // Don't allow an entry replacement if there is no entry to replace.
757 // http://crbug.com/457149
758 if (params.should_replace_current_entry && entries_.size() > 0)
[email protected]e2caa032012-11-15 23:29:18759 entry->set_should_replace_entry(true);
[email protected]60d6cca2013-04-30 08:47:13760 entry->set_should_clear_history_list(params.should_clear_history_list);
[email protected]cf002332012-08-14 19:17:47761 entry->SetIsOverridingUserAgent(override);
762 entry->set_transferred_global_request_id(
763 params.transferred_global_request_id);
[email protected]d1ef81d2012-07-24 11:39:36764
clamy8451aa62015-01-23 16:56:08765#if defined(OS_ANDROID)
766 if (params.intent_received_timestamp > 0) {
767 entry->set_intent_received_timestamp(
768 base::TimeTicks() +
769 base::TimeDelta::FromMilliseconds(params.intent_received_timestamp));
770 }
qinmin976d4d92015-08-07 18:32:39771 entry->set_has_user_gesture(params.has_user_gesture);
clamy8451aa62015-01-23 16:56:08772#endif
773
[email protected]cf002332012-08-14 19:17:47774 switch (params.load_type) {
775 case LOAD_TYPE_DEFAULT:
776 break;
lukasza477a5a22016-06-16 18:28:43777 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:47778 entry->SetHasPostData(true);
lukasza477a5a22016-06-16 18:28:43779 entry->SetPostData(params.post_data);
[email protected]cf002332012-08-14 19:17:47780 break;
781 case LOAD_TYPE_DATA:
782 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
783 entry->SetVirtualURL(params.virtual_url_for_data_url);
mnaganovbf087422015-12-16 05:10:03784#if defined(OS_ANDROID)
785 entry->SetDataURLAsString(params.data_url_as_string);
786#endif
[email protected]951a64832012-10-11 16:26:37787 entry->SetCanLoadLocalResources(params.can_load_local_resources);
[email protected]cf002332012-08-14 19:17:47788 break;
789 default:
790 NOTREACHED();
791 break;
Charlie Reisa2e1ab52017-12-06 00:03:13792 };
[email protected]132e281a2012-07-31 18:32:44793
djacobo825aa6a82016-09-29 22:47:19794 entry->set_started_from_context_menu(params.started_from_context_menu);
dcheng36b6aec92015-12-26 06:16:36795 LoadEntry(std::move(entry));
[email protected]132e281a2012-07-31 18:32:44796}
797
creisb4dc9332016-03-14 21:39:19798bool NavigationControllerImpl::PendingEntryMatchesHandle(
799 NavigationHandleImpl* handle) const {
800 return pending_entry_ &&
801 pending_entry_->GetUniqueID() == handle->pending_nav_entry_id();
802}
803
[email protected]d202a7c2012-01-04 07:53:47804bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32805 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22806 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
peary21b0f797b2016-09-28 17:28:33807 LoadCommittedDetails* details,
clamy3bf35e3c2016-11-10 15:59:44808 bool is_navigation_within_page,
809 NavigationHandleImpl* navigation_handle) {
[email protected]cd2e15742013-03-08 04:08:31810 is_initial_navigation_ = false;
811
[email protected]0e8db942008-09-24 21:21:48812 // Save the previous state before we clobber it.
aelias100c9192017-01-13 00:01:43813 bool overriding_user_agent_changed = false;
[email protected]0e8db942008-09-24 21:21:48814 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51815 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55816 details->previous_entry_index = GetLastCommittedEntryIndex();
aelias100c9192017-01-13 00:01:43817 if (pending_entry_ &&
818 pending_entry_->GetIsOverridingUserAgent() !=
819 GetLastCommittedEntry()->GetIsOverridingUserAgent())
820 overriding_user_agent_changed = true;
[email protected]0e8db942008-09-24 21:21:48821 } else {
822 details->previous_url = GURL();
823 details->previous_entry_index = -1;
824 }
[email protected]ecd9d8702008-08-28 22:10:17825
fdegans9caf66a2015-07-30 21:10:42826 // If there is a pending entry at this point, it should have a SiteInstance,
827 // except for restored entries.
jam48cea9082017-02-15 06:13:29828 bool was_restored = false;
toyoshim0df1d3a2016-09-09 09:52:48829 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance() ||
830 pending_entry_->restore_type() != RestoreType::NONE);
831 if (pending_entry_ && pending_entry_->restore_type() != RestoreType::NONE) {
832 pending_entry_->set_restore_type(RestoreType::NONE);
jam48cea9082017-02-15 06:13:29833 was_restored = true;
toyoshim0df1d3a2016-09-09 09:52:48834 }
[email protected]e9ba4472008-09-14 15:42:43835
creis865ad442016-03-15 16:43:09836 // The renderer tells us whether the navigation replaces the current entry.
837 details->did_replace_entry = params.should_replace_current_entry;
[email protected]bcd904482012-02-01 01:54:22838
[email protected]e9ba4472008-09-14 15:42:43839 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:43840 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:20841
eugenebutee08663a2017-04-27 17:43:12842 // is_same_document must be computed before the entry gets committed.
843 details->is_same_document = is_navigation_within_page;
[email protected]b9d4dfdc2013-08-08 00:25:12844
toyoshima63c2a62016-09-29 09:03:26845 // Save reload type and timestamp for a reload navigation to detect
846 // consecutive reloads when the next reload is requested.
clamy3bf35e3c2016-11-10 15:59:44847 if (PendingEntryMatchesHandle(navigation_handle)) {
toyoshima63c2a62016-09-29 09:03:26848 if (pending_entry_->reload_type() != ReloadType::NONE) {
849 last_committed_reload_type_ = pending_entry_->reload_type();
850 last_committed_reload_time_ =
851 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
852 } else if (!pending_entry_->is_renderer_initiated() ||
853 params.gesture == NavigationGestureUser) {
854 last_committed_reload_type_ = ReloadType::NONE;
855 last_committed_reload_time_ = base::Time();
856 }
857 }
858
[email protected]0e8db942008-09-24 21:21:48859 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:21860 case NAVIGATION_TYPE_NEW_PAGE:
eugenebutee08663a2017-04-27 17:43:12861 RendererDidNavigateToNewPage(rfh, params, details->is_same_document,
clamy3bf35e3c2016-11-10 15:59:44862 details->did_replace_entry,
863 navigation_handle);
[email protected]e9ba4472008-09-14 15:42:43864 break;
[email protected]8ff00d72012-10-23 19:12:21865 case NAVIGATION_TYPE_EXISTING_PAGE:
eugenebutee08663a2017-04-27 17:43:12866 RendererDidNavigateToExistingPage(rfh, params, details->is_same_document,
jam48cea9082017-02-15 06:13:29867 was_restored, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:43868 break;
[email protected]8ff00d72012-10-23 19:12:21869 case NAVIGATION_TYPE_SAME_PAGE:
clamy3bf35e3c2016-11-10 15:59:44870 RendererDidNavigateToSamePage(rfh, params, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:43871 break;
[email protected]8ff00d72012-10-23 19:12:21872 case NAVIGATION_TYPE_NEW_SUBFRAME:
eugenebutee08663a2017-04-27 17:43:12873 RendererDidNavigateNewSubframe(rfh, params, details->is_same_document,
creisf49dfc92016-07-26 17:05:18874 details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43875 break;
[email protected]8ff00d72012-10-23 19:12:21876 case NAVIGATION_TYPE_AUTO_SUBFRAME:
creis59d5a47cb2016-08-24 23:57:19877 if (!RendererDidNavigateAutoSubframe(rfh, params)) {
creisce0ef3572017-01-26 17:53:08878 // We don't send a notification about auto-subframe PageState during
879 // UpdateStateForFrame, since it looks like nothing has changed. Send
880 // it here at commit time instead.
881 NotifyEntryChanged(GetLastCommittedEntry());
[email protected]e9ba4472008-09-14 15:42:43882 return false;
creis59d5a47cb2016-08-24 23:57:19883 }
[email protected]e9ba4472008-09-14 15:42:43884 break;
[email protected]8ff00d72012-10-23 19:12:21885 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:49886 // If a pending navigation was in progress, this canceled it. We should
887 // discard it and make sure it is removed from the URL bar. After that,
888 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:43889 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:49890 if (pending_entry_) {
891 DiscardNonCommittedEntries();
pdr15f5b5b2017-06-20 00:58:00892 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:49893 }
[email protected]e9ba4472008-09-14 15:42:43894 return false;
895 default:
896 NOTREACHED();
[email protected]765b35502008-08-21 00:51:20897 }
898
[email protected]688aa65c62012-09-28 04:32:22899 // At this point, we know that the navigation has just completed, so
900 // record the time.
901 //
902 // TODO(akalin): Use "sane time" as described in
903 // http://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:33904 base::Time timestamp =
905 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
906 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:22907 << timestamp.ToInternalValue();
908
[email protected]f233e4232013-02-23 00:55:14909 // We should not have a pending entry anymore. Clear it again in case any
910 // error cases above forgot to do so.
911 DiscardNonCommittedEntriesInternal();
912
[email protected]e9ba4472008-09-14 15:42:43913 // All committed entries should have nonempty content state so WebKit doesn't
914 // get confused when we go back to them (see the function for details).
creis0cade2e2017-02-28 06:37:47915 DCHECK(params.page_state.IsValid()) << "Shouldn't see an empty PageState.";
creis3da03872015-02-20 21:12:32916 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:22917 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:44918 active_entry->SetHttpStatusCode(params.http_status_code);
naskoc7533512016-05-06 17:01:12919
Charles Reisc0507202017-09-21 00:40:02920 // Grab the corresponding FrameNavigationEntry for a few updates, but only if
921 // the SiteInstance matches (to avoid updating the wrong entry by mistake).
922 // A mismatch can occur if the renderer lies or due to a unique name collision
923 // after a race with an OOPIF (see https://crbug.com/616820).
naskoc7533512016-05-06 17:01:12924 FrameNavigationEntry* frame_entry =
925 active_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisc0507202017-09-21 00:40:02926 if (frame_entry && frame_entry->site_instance() != rfh->GetSiteInstance())
927 frame_entry = nullptr;
Charles Reisf44482022017-10-13 21:15:03928 // Make sure we've updated the PageState in one of the helper methods.
creisce0ef3572017-01-26 17:53:08929 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
930 if (frame_entry) {
Charles Reisf44482022017-10-13 21:15:03931 DCHECK(params.page_state == frame_entry->page_state());
creis4e2ecb72015-06-20 00:46:30932 }
[email protected]132e281a2012-07-31 18:32:44933
[email protected]d6def3d2014-05-19 18:55:32934 // Use histogram to track memory impact of redirect chain because it's now
935 // not cleared for committed entries.
936 size_t redirect_chain_size = 0;
937 for (size_t i = 0; i < params.redirects.size(); ++i) {
938 redirect_chain_size += params.redirects[i].spec().length();
939 }
940 UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size);
941
[email protected]97d8f0d2013-10-29 16:49:21942 // Once it is committed, we no longer need to track several pieces of state on
943 // the entry.
naskoc7533512016-05-06 17:01:12944 active_entry->ResetForCommit(frame_entry);
[email protected]60d6cca2013-04-30 08:47:13945
[email protected]49bd30e62011-03-22 20:12:59946 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:22947 // TODO(creis): This check won't pass for subframes until we create entries
948 // for subframe navigations.
avi39c1edd32015-06-04 20:06:00949 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:42950 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:59951
[email protected]b26de072013-02-23 02:33:44952 // Remember the bindings the renderer process has at this point, so that
953 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:32954 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:44955
[email protected]e9ba4472008-09-14 15:42:43956 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:00957 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:00958 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:31959 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:53960
[email protected]93f230e02011-06-01 14:40:00961 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:29962
John Abd-El-Malek380d3c5922017-09-08 00:20:31963 if (active_entry->GetURL().SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
964 navigation_handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek969cdd94e2017-07-10 22:18:16965 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus",
966 !!active_entry->GetSSL().certificate);
967 }
968
aelias100c9192017-01-13 00:01:43969 if (overriding_user_agent_changed)
970 delegate_->UpdateOverridingUserAgent();
971
creis03b48002015-11-04 00:54:56972 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
973 // one knows the latest NavigationEntry it is showing (whether it has
974 // committed anything in this navigation or not). This allows things like
975 // state and title updates from RenderFrames to apply to the latest relevant
976 // NavigationEntry.
dcheng57e39e22016-01-21 00:25:38977 int nav_entry_id = active_entry->GetUniqueID();
978 for (FrameTreeNode* node : delegate_->GetFrameTree()->Nodes())
979 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
[email protected]e9ba4472008-09-14 15:42:43980 return true;
initial.commit09911bf2008-07-26 23:55:29981}
982
[email protected]8ff00d72012-10-23 19:12:21983NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:32984 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22985 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const {
avi7c6f35e2015-05-08 17:52:38986 if (params.did_create_new_entry) {
987 // A new entry. We may or may not have a pending entry for the page, and
988 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:00989 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:38990 return NAVIGATION_TYPE_NEW_PAGE;
991 }
992
993 // When this is a new subframe navigation, we should have a committed page
994 // in which it's a subframe. This may not be the case when an iframe is
995 // navigated on a popup navigated to about:blank (the iframe would be
996 // written into the popup by script on the main page). For these cases,
997 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:23998 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:38999 return NAVIGATION_TYPE_NAV_IGNORE;
1000
1001 // Valid subframe navigation.
1002 return NAVIGATION_TYPE_NEW_SUBFRAME;
1003 }
1004
avi7c6f35e2015-05-08 17:52:381005 // We only clear the session history when navigating to a new page.
1006 DCHECK(!params.history_list_was_cleared);
1007
avi39c1edd32015-06-04 20:06:001008 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381009 // All manual subframes would be did_create_new_entry and handled above, so
1010 // we know this is auto.
1011 if (GetLastCommittedEntry()) {
1012 return NAVIGATION_TYPE_AUTO_SUBFRAME;
1013 } else {
1014 // We ignore subframes created in non-committed pages; we'd appreciate if
1015 // people stopped doing that.
1016 return NAVIGATION_TYPE_NAV_IGNORE;
1017 }
1018 }
1019
1020 if (params.nav_entry_id == 0) {
1021 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1022 // create a new page.
1023
1024 // Just like above in the did_create_new_entry case, it's possible to
1025 // scribble onto an uncommitted page. Again, there isn't any navigation
1026 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231027 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231028 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381029 return NAVIGATION_TYPE_NAV_IGNORE;
1030
Charles Reis1378111f2017-11-08 21:44:061031 // This is history.replaceState() or history.reload().
avi259dc792015-07-07 04:42:361032 return NAVIGATION_TYPE_EXISTING_PAGE;
avi7c6f35e2015-05-08 17:52:381033 }
1034
1035 if (pending_entry_ && pending_entry_index_ == -1 &&
1036 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1037 // In this case, we have a pending entry for a load of a new URL but Blink
creis77c9aa32015-09-25 19:59:421038 // didn't do a new navigation (params.did_create_new_entry). First check to
1039 // make sure Blink didn't treat a new cross-process navigation as inert, and
1040 // thus set params.did_create_new_entry to false. In that case, we must
1041 // treat it as NEW since the SiteInstance doesn't match the entry.
creis08557a22016-09-07 22:00:081042 if (!GetLastCommittedEntry() ||
creis5eb00a5f2016-08-24 03:50:281043 GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance())
creis77c9aa32015-09-25 19:59:421044 return NAVIGATION_TYPE_NEW_PAGE;
1045
1046 // Otherwise, this happens when you press enter in the URL bar to reload. We
1047 // will create a pending entry, but Blink will convert it to a reload since
1048 // it's the same page and not create a new entry for it (the user doesn't
1049 // want to have a new back/forward entry when they do this). Therefore we
1050 // want to just ignore the pending entry and go back to where we were (the
1051 // "existing entry").
1052 // TODO(creis,avi): Eliminate SAME_PAGE in https://crbug.com/536102.
avi7c6f35e2015-05-08 17:52:381053 return NAVIGATION_TYPE_SAME_PAGE;
1054 }
1055
creis26d22632017-04-21 20:23:561056 // Everything below here is assumed to be an existing entry, but if there is
1057 // no last committed entry, we must consider it a new navigation instead.
1058 if (!GetLastCommittedEntry())
1059 return NAVIGATION_TYPE_NEW_PAGE;
1060
avi7c6f35e2015-05-08 17:52:381061 if (params.intended_as_new_entry) {
1062 // This was intended to be a navigation to a new entry but the pending entry
1063 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1064 // may not have a pending entry.
1065 return NAVIGATION_TYPE_EXISTING_PAGE;
1066 }
1067
1068 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1069 params.nav_entry_id == failed_pending_entry_id_) {
1070 // If the renderer was going to a new pending entry that got cleared because
1071 // of an error, this is the case of the user trying to retry a failed load
1072 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1073 // have a pending entry.
1074 return NAVIGATION_TYPE_EXISTING_PAGE;
1075 }
1076
1077 // Now we know that the notification is for an existing page. Find that entry.
1078 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1079 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441080 // The renderer has committed a navigation to an entry that no longer
1081 // exists. Because the renderer is showing that page, resurrect that entry.
1082 return NAVIGATION_TYPE_NEW_PAGE;
avi7c6f35e2015-05-08 17:52:381083 }
1084
avi7c6f35e2015-05-08 17:52:381085 // Since we weeded out "new" navigations above, we know this is an existing
1086 // (back/forward) navigation.
1087 return NAVIGATION_TYPE_EXISTING_PAGE;
1088}
1089
[email protected]d202a7c2012-01-04 07:53:471090void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321091 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221092 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361093 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441094 bool replace_entry,
1095 NavigationHandleImpl* handle) {
dcheng9bfa5162016-04-09 01:00:571096 std::unique_ptr<NavigationEntryImpl> new_entry;
creisf49dfc92016-07-26 17:05:181097 bool update_virtual_url = false;
1098
1099 // First check if this is an in-page navigation. If so, clone the current
1100 // entry instead of looking at the pending entry, because the pending entry
1101 // does not have any subframe history items.
eugenebut604866f2017-05-10 21:35:361102 if (is_same_document && GetLastCommittedEntry()) {
creisf49dfc92016-07-26 17:05:181103 FrameNavigationEntry* frame_entry = new FrameNavigationEntry(
Charles Reisd2a509f2017-09-27 23:47:481104 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisf49dfc92016-07-26 17:05:181105 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Charles Reisf44482022017-10-13 21:15:031106 params.url, params.referrer, params.redirects, params.page_state,
1107 params.method, params.post_id);
1108
creisf49dfc92016-07-26 17:05:181109 new_entry = GetLastCommittedEntry()->CloneAndReplace(
1110 frame_entry, true, rfh->frame_tree_node(),
1111 delegate_->GetFrameTree()->root());
jama78746e2017-02-22 17:21:571112 if (new_entry->GetURL().GetOrigin() != params.url.GetOrigin()) {
1113 // TODO(jam): we had one report of this with a URL that was redirecting to
1114 // only tildes. Until we understand that better, don't copy the cert in
1115 // this case.
1116 new_entry->GetSSL() = SSLStatus();
John Abd-El-Malek9cd697e2017-07-12 21:53:141117
John Abd-El-Malek380d3c5922017-09-08 00:20:311118 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1119 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141120 UMA_HISTOGRAM_BOOLEAN(
1121 "Navigation.SecureSchemeHasSSLStatus.NewPageInPageOriginMismatch",
1122 !!new_entry->GetSSL().certificate);
1123 }
jama78746e2017-02-22 17:21:571124 }
creisf49dfc92016-07-26 17:05:181125
1126 // We expect |frame_entry| to be owned by |new_entry|. This should never
1127 // fail, because it's the main frame.
1128 CHECK(frame_entry->HasOneRef());
1129
1130 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malek9cd697e2017-07-12 21:53:141131
John Abd-El-Malek380d3c5922017-09-08 00:20:311132 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1133 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141134 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.NewPageInPage",
1135 !!new_entry->GetSSL().certificate);
1136 }
creisf49dfc92016-07-26 17:05:181137 }
1138
[email protected]6dd86ab2013-02-27 00:30:341139 // Only make a copy of the pending entry if it is appropriate for the new page
csharrison9a9142bc42016-03-01 17:24:041140 // that was just loaded. Verify this by checking if the entry corresponds
clamy3bf35e3c2016-11-10 15:59:441141 // to the given navigation handle. Additionally, coarsely check that:
csharrison9a9142bc42016-03-01 17:24:041142 // 1. The SiteInstance hasn't been assigned to something else.
1143 // 2. The pending entry was intended as a new entry, rather than being a
1144 // history navigation that was interrupted by an unrelated,
1145 // renderer-initiated navigation.
1146 // TODO(csharrison): Investigate whether we can remove some of the coarser
1147 // checks.
creisf49dfc92016-07-26 17:05:181148 if (!new_entry &&
1149 PendingEntryMatchesHandle(handle) && pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341150 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431151 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351152 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431153
[email protected]f1eb87a2011-05-06 17:49:411154 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malekf36e05f2017-11-30 16:17:521155 new_entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141156
John Abd-El-Malek380d3c5922017-09-08 00:20:311157 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1158 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141159 UMA_HISTOGRAM_BOOLEAN(
1160 "Navigation.SecureSchemeHasSSLStatus.NewPagePendingEntryMatches",
1161 !!new_entry->GetSSL().certificate);
1162 }
creisf49dfc92016-07-26 17:05:181163 }
1164
1165 // For non-in-page commits with no matching pending entry, create a new entry.
1166 if (!new_entry) {
dcheng9bfa5162016-04-09 01:00:571167 new_entry = base::WrapUnique(new NavigationEntryImpl);
[email protected]f8f93eb2012-09-25 03:06:241168
1169 // Find out whether the new entry needs to update its virtual URL on URL
1170 // change and set up the entry accordingly. This is needed to correctly
1171 // update the virtual URL when replaceState is called after a pushState.
1172 GURL url = params.url;
1173 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431174 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1175 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241176 new_entry->set_update_virtual_url_with_url(needs_update);
1177
[email protected]f1eb87a2011-05-06 17:49:411178 // When navigating to a new page, give the browser URL handler a chance to
1179 // update the virtual URL based on the new URL. For example, this is needed
1180 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1181 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241182 update_virtual_url = needs_update;
John Abd-El-Malekf36e05f2017-11-30 16:17:521183 new_entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141184
John Abd-El-Malek380d3c5922017-09-08 00:20:311185 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1186 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141187 UMA_HISTOGRAM_BOOLEAN(
1188 "Navigation.SecureSchemeHasSSLStatus.NewPageNoMatchingEntry",
1189 !!new_entry->GetSSL().certificate);
1190 }
[email protected]e9ba4472008-09-14 15:42:431191 }
1192
wjmaclean7431bb22015-02-19 14:53:431193 // Don't use the page type from the pending entry. Some interstitial page
1194 // may have set the type to interstitial. Once we commit, however, the page
1195 // type must always be normal or error.
1196 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1197 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041198 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411199 if (update_virtual_url)
avi25764702015-06-23 15:43:371200 UpdateVirtualURLToURL(new_entry.get(), params.url);
[email protected]022af742011-12-28 18:37:251201 new_entry->SetReferrer(params.referrer);
[email protected]022af742011-12-28 18:37:251202 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331203 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431204 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]7c16976c2012-08-04 02:38:231205 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221206 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431207
creis8b5cd4c2015-06-19 00:11:081208 // Update the FrameNavigationEntry for new main frame commits.
1209 FrameNavigationEntry* frame_entry =
1210 new_entry->GetFrameEntry(rfh->frame_tree_node());
Charles Reisd2a509f2017-09-27 23:47:481211 frame_entry->set_frame_unique_name(rfh->frame_tree_node()->unique_name());
creis8b5cd4c2015-06-19 00:11:081212 frame_entry->set_item_sequence_number(params.item_sequence_number);
1213 frame_entry->set_document_sequence_number(params.document_sequence_number);
Charles Reisf44482022017-10-13 21:15:031214 frame_entry->set_redirect_chain(params.redirects);
1215 frame_entry->SetPageState(params.page_state);
clamy432acb22016-04-15 19:41:431216 frame_entry->set_method(params.method);
1217 frame_entry->set_post_id(params.post_id);
creis8b5cd4c2015-06-19 00:11:081218
eugenebut604866f2017-05-10 21:35:361219 // history.pushState() is classified as a navigation to a new page, but sets
1220 // is_same_document to true. In this case, we already have the title and
creisf49dfc92016-07-26 17:05:181221 // favicon available, so set them immediately.
eugenebut604866f2017-05-10 21:35:361222 if (is_same_document && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331223 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191224 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1225 }
[email protected]ff64b3e2014-05-31 04:07:331226
[email protected]60d6cca2013-04-30 08:47:131227 DCHECK(!params.history_list_was_cleared || !replace_entry);
1228 // The browser requested to clear the session history when it initiated the
1229 // navigation. Now we know that the renderer has updated its state accordingly
1230 // and it is safe to also clear the browser side history.
1231 if (params.history_list_was_cleared) {
1232 DiscardNonCommittedEntriesInternal();
1233 entries_.clear();
1234 last_committed_entry_index_ = -1;
1235 }
1236
dcheng36b6aec92015-12-26 06:16:361237 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431238}
1239
[email protected]d202a7c2012-01-04 07:53:471240void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321241 RenderFrameHostImpl* rfh,
jam0576b132016-09-07 05:13:101242 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361243 bool is_same_document,
jam48cea9082017-02-15 06:13:291244 bool was_restored,
clamy3bf35e3c2016-11-10 15:59:441245 NavigationHandleImpl* handle) {
creis26d22632017-04-21 20:23:561246 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1247 << "that a last committed entry exists.";
1248
[email protected]e9ba4472008-09-14 15:42:431249 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001250 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431251
avicbdc4c12015-07-01 16:07:111252 NavigationEntryImpl* entry;
1253 if (params.intended_as_new_entry) {
1254 // This was intended as a new entry but the pending entry was lost in the
1255 // meanwhile and no new page was created. We are stuck at the last committed
1256 // entry.
1257 entry = GetLastCommittedEntry();
eugenebut604866f2017-05-10 21:35:361258 // If this is a same document navigation, then there's no SSLStatus in the
jam1325c822017-03-17 18:20:541259 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361260 if (!is_same_document)
John Abd-El-Malekf36e05f2017-11-30 16:17:521261 entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141262
John Abd-El-Malek380d3c5922017-09-08 00:20:311263 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1264 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141265 bool has_cert = !!entry->GetSSL().certificate;
1266 if (is_same_document) {
1267 UMA_HISTOGRAM_BOOLEAN(
1268 "Navigation.SecureSchemeHasSSLStatus."
1269 "ExistingPageSameDocumentIntendedAsNew",
1270 has_cert);
1271 } else {
1272 UMA_HISTOGRAM_BOOLEAN(
1273 "Navigation.SecureSchemeHasSSLStatus."
1274 "ExistingPageDifferentDocumentIntendedAsNew",
1275 has_cert);
1276 }
1277 }
avicbdc4c12015-07-01 16:07:111278 } else if (params.nav_entry_id) {
1279 // This is a browser-initiated navigation (back/forward/reload).
1280 entry = GetEntryWithUniqueID(params.nav_entry_id);
jamd208b90ce2016-09-01 16:58:161281
eugenebut604866f2017-05-10 21:35:361282 if (is_same_document) {
1283 // There's no SSLStatus in the NavigationHandle for same document
1284 // navigations, so normally we leave |entry|'s SSLStatus as is. However if
1285 // this was a restored same document navigation entry, then it won't have
1286 // an SSLStatus. So we need to copy over the SSLStatus from the entry that
1287 // navigated it.
jam48cea9082017-02-15 06:13:291288 NavigationEntryImpl* last_entry = GetLastCommittedEntry();
1289 if (entry->GetURL().GetOrigin() == last_entry->GetURL().GetOrigin() &&
1290 last_entry->GetSSL().initialized && !entry->GetSSL().initialized &&
1291 was_restored) {
1292 entry->GetSSL() = last_entry->GetSSL();
1293 }
1294 } else {
John Abd-El-Malek3f247082017-12-07 19:02:191295 // In rapid back/forward navigations |handle| sometimes won't have a cert
1296 // (http://crbug.com/727892). So we use the handle's cert if it exists,
1297 // otherwise we only reuse the existing cert if the origins match.
1298 if (handle->GetSSLInfo().is_valid()) {
John Abd-El-Malekf36e05f2017-11-30 16:17:521299 entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek3f247082017-12-07 19:02:191300 } else if (entry->GetURL().GetOrigin() != handle->GetURL().GetOrigin()) {
1301 entry->GetSSL() = SSLStatus();
1302 }
jam48cea9082017-02-15 06:13:291303 }
John Abd-El-Malek9cd697e2017-07-12 21:53:141304
John Abd-El-Malek380d3c5922017-09-08 00:20:311305 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1306 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141307 bool has_cert = !!entry->GetSSL().certificate;
1308 if (is_same_document && was_restored) {
1309 UMA_HISTOGRAM_BOOLEAN(
1310 "Navigation.SecureSchemeHasSSLStatus."
1311 "ExistingPageSameDocumentRestoredBrowserInitiated",
1312 has_cert);
1313 } else if (is_same_document && !was_restored) {
1314 UMA_HISTOGRAM_BOOLEAN(
1315 "Navigation.SecureSchemeHasSSLStatus."
1316 "ExistingPageSameDocumentBrowserInitiated",
1317 has_cert);
1318 } else if (!is_same_document && was_restored) {
1319 UMA_HISTOGRAM_BOOLEAN(
1320 "Navigation.SecureSchemeHasSSLStatus."
1321 "ExistingPageRestoredBrowserInitiated",
1322 has_cert);
1323 } else {
1324 UMA_HISTOGRAM_BOOLEAN(
1325 "Navigation.SecureSchemeHasSSLStatus.ExistingPageBrowserInitiated",
1326 has_cert);
1327 }
1328 }
avicbdc4c12015-07-01 16:07:111329 } else {
1330 // This is renderer-initiated. The only kinds of renderer-initated
Charles Reis1378111f2017-11-08 21:44:061331 // navigations that are EXISTING_PAGE are reloads and history.replaceState,
avicbdc4c12015-07-01 16:07:111332 // which land us at the last committed entry.
1333 entry = GetLastCommittedEntry();
jam0576b132016-09-07 05:13:101334
eugenebut604866f2017-05-10 21:35:361335 // If this is a same document navigation, then there's no SSLStatus in the
jam0576b132016-09-07 05:13:101336 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361337 if (!is_same_document)
John Abd-El-Malekf36e05f2017-11-30 16:17:521338 entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
John Abd-El-Malek9cd697e2017-07-12 21:53:141339
John Abd-El-Malek380d3c5922017-09-08 00:20:311340 if (params.url.SchemeIs(url::kHttpsScheme) && !rfh->GetParent() &&
1341 handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141342 bool has_cert = !!entry->GetSSL().certificate;
1343 if (is_same_document) {
1344 UMA_HISTOGRAM_BOOLEAN(
1345 "Navigation.SecureSchemeHasSSLStatus."
1346 "ExistingPageSameDocumentRendererInitiated",
1347 has_cert);
1348 } else {
1349 UMA_HISTOGRAM_BOOLEAN(
1350 "Navigation.SecureSchemeHasSSLStatus."
1351 "ExistingPageDifferentDocumentRendererInitiated",
1352 has_cert);
1353 }
1354 }
avicbdc4c12015-07-01 16:07:111355 }
1356 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:431357
[email protected]5ccd4dc2012-10-24 02:28:141358 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431359 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1360 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041361 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201362 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321363 if (entry->update_virtual_url_with_url())
1364 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141365
jam015ba062017-01-06 21:17:001366 // The site instance will normally be the same except
1367 // 1) session restore, when no site instance will be assigned or
1368 // 2) redirect, when the site instance is reset.
naskoaf182192016-08-11 02:12:011369 DCHECK(entry->site_instance() == nullptr ||
jam015ba062017-01-06 21:17:001370 !entry->GetRedirectChain().empty() ||
naskoaf182192016-08-11 02:12:011371 entry->site_instance() == rfh->GetSiteInstance());
clamy432acb22016-04-15 19:41:431372
naskoaf182192016-08-11 02:12:011373 // Update the existing FrameNavigationEntry to ensure all of its members
1374 // reflect the parameters coming from the renderer process.
1375 entry->AddOrUpdateFrameEntry(
1376 rfh->frame_tree_node(), params.item_sequence_number,
1377 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
arthursonzognie6b67c20b2016-10-04 09:46:041378 params.url, params.referrer, params.redirects, params.page_state,
1379 params.method, params.post_id);
creis22a7b4c2016-04-28 07:20:301380
[email protected]5ccd4dc2012-10-24 02:28:141381 // The redirected to page should not inherit the favicon from the previous
1382 // page.
eugenebut604866f2017-05-10 21:35:361383 if (ui::PageTransitionIsRedirect(params.transition) && !is_same_document)
[email protected]91a4ff82012-10-29 20:29:481384 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141385
[email protected]e9ba4472008-09-14 15:42:431386 // The entry we found in the list might be pending if the user hit
1387 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591388 // list, we can just discard the pending pointer). We should also discard the
1389 // pending entry if it corresponds to a different navigation, since that one
1390 // is now likely canceled. If it is not canceled, we will treat it as a new
1391 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431392 //
1393 // Note that we need to use the "internal" version since we don't want to
1394 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491395 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391396
[email protected]80858db52009-10-15 00:35:181397 // If a transient entry was removed, the indices might have changed, so we
1398 // have to query the entry index again.
avicbdc4c12015-07-01 16:07:111399 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:431400}
1401
[email protected]d202a7c2012-01-04 07:53:471402void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321403 RenderFrameHostImpl* rfh,
clamy3bf35e3c2016-11-10 15:59:441404 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
1405 NavigationHandleImpl* handle) {
aviaf5660962015-06-30 15:12:291406 // This classification says that we have a pending entry that's the same as
1407 // the last committed entry. This entry is guaranteed to exist by
[email protected]4c27ba82008-09-24 16:49:091408 // ClassifyNavigation. All we need to do is update the existing entry.
aviaf5660962015-06-30 15:12:291409 NavigationEntryImpl* existing_entry = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431410
creis77c9aa32015-09-25 19:59:421411 // If we classified this correctly, the SiteInstance should not have changed.
1412 CHECK_EQ(existing_entry->site_instance(), rfh->GetSiteInstance());
1413
[email protected]e9ba4472008-09-14 15:42:431414 // We assign the entry's unique ID to be that of the new one. Since this is
1415 // always the result of a user action, we want to dismiss infobars, etc. like
1416 // a regular user-initiated navigation.
creis77c9aa32015-09-25 19:59:421417 DCHECK_EQ(pending_entry_->GetUniqueID(), params.nav_entry_id);
[email protected]36fc0392011-12-25 03:59:511418 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431419
[email protected]a0e69262009-06-03 19:08:481420 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431421 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1422 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321423 if (existing_entry->update_virtual_url_with_url())
1424 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041425 existing_entry->SetURL(params.url);
[email protected]a0e69262009-06-03 19:08:481426
jamd208b90ce2016-09-01 16:58:161427 // If a user presses enter in the omnibox and the server redirects, the URL
1428 // might change (but it's still considered a SAME_PAGE navigation). So we must
1429 // update the SSL status.
John Abd-El-Malekf36e05f2017-11-30 16:17:521430 existing_entry->GetSSL() = SSLStatus(handle->GetSSLInfo());
jamd208b90ce2016-09-01 16:58:161431
John Abd-El-Malek509dfd62017-09-05 21:34:491432 if (existing_entry->GetURL().SchemeIs(url::kHttpsScheme) &&
John Abd-El-Malek380d3c5922017-09-08 00:20:311433 !rfh->GetParent() && handle->GetNetErrorCode() == net::OK) {
John Abd-El-Malek9cd697e2017-07-12 21:53:141434 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.SamePage",
1435 !!existing_entry->GetSSL().certificate);
1436 }
1437
jianlid26f6c92016-10-12 21:03:171438 // The extra headers may have changed due to reloading with different headers.
1439 existing_entry->set_extra_headers(pending_entry_->extra_headers());
1440
naskoaf182192016-08-11 02:12:011441 // Update the existing FrameNavigationEntry to ensure all of its members
1442 // reflect the parameters coming from the renderer process.
1443 existing_entry->AddOrUpdateFrameEntry(
1444 rfh->frame_tree_node(), params.item_sequence_number,
1445 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
arthursonzognie6b67c20b2016-10-04 09:46:041446 params.url, params.referrer, params.redirects, params.page_state,
1447 params.method, params.post_id);
[email protected]b77686522013-12-11 20:34:191448
[email protected]cbab76d2008-10-13 22:42:471449 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431450}
1451
[email protected]d202a7c2012-01-04 07:53:471452void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321453 RenderFrameHostImpl* rfh,
creis1857908a2016-02-25 20:31:521454 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361455 bool is_same_document,
creis1857908a2016-02-25 20:31:521456 bool replace_entry) {
avi25f5f9e2015-07-17 20:08:261457 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1458 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
[email protected]09b8f82f2009-06-16 20:22:111459
[email protected]e9ba4472008-09-14 15:42:431460 // Manual subframe navigations just get the current entry cloned so the user
1461 // can go back or forward to it. The actual subframe information will be
1462 // stored in the page state for each of those entries. This happens out of
1463 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091464 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1465 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381466
creisce0ef3572017-01-26 17:53:081467 // Make sure we don't leak frame_entry if new_entry doesn't take ownership.
1468 scoped_refptr<FrameNavigationEntry> frame_entry(new FrameNavigationEntry(
Charles Reisd2a509f2017-09-27 23:47:481469 rfh->frame_tree_node()->unique_name(), params.item_sequence_number,
creisce0ef3572017-01-26 17:53:081470 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
Charles Reisf44482022017-10-13 21:15:031471 params.url, params.referrer, params.redirects, params.page_state,
1472 params.method, params.post_id));
1473
creisce0ef3572017-01-26 17:53:081474 std::unique_ptr<NavigationEntryImpl> new_entry =
1475 GetLastCommittedEntry()->CloneAndReplace(
eugenebut604866f2017-05-10 21:35:361476 frame_entry.get(), is_same_document, rfh->frame_tree_node(),
creisce0ef3572017-01-26 17:53:081477 delegate_->GetFrameTree()->root());
creise062d542015-08-25 02:01:551478
creisce0ef3572017-01-26 17:53:081479 // TODO(creis): Update this to add the frame_entry if we can't find the one
1480 // to replace, which can happen due to a unique name change. See
1481 // https://crbug.com/607205. For now, frame_entry will be deleted when it
1482 // goes out of scope if it doesn't get used.
creis96fc55082015-06-13 06:42:381483
creis1857908a2016-02-25 20:31:521484 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431485}
1486
[email protected]d202a7c2012-01-04 07:53:471487bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321488 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221489 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291490 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1491 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1492
[email protected]e9ba4472008-09-14 15:42:431493 // We're guaranteed to have a previously committed entry, and we now need to
1494 // handle navigation inside of a subframe in it without creating a new entry.
1495 DCHECK(GetLastCommittedEntry());
1496
creis913c63ce2016-07-16 19:52:521497 // For newly created subframes, we don't need to send a commit notification.
1498 // This is only necessary for history navigations in subframes.
1499 bool send_commit_notification = false;
1500
1501 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1502 // a history navigation. Update the last committed index accordingly.
1503 // If we don't recognize the |nav_entry_id|, it might be a recently pruned
1504 // entry. We'll handle it below.
avi98405c22015-05-21 20:47:061505 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511506 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
creis3cdc3b02015-05-29 23:00:471507 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061508 // Make sure that a subframe commit isn't changing the main frame's
1509 // origin. Otherwise the renderer process may be confused, leading to a
1510 // URL spoof. We can't check the path since that may change
1511 // (https://crbug.com/373041).
creis37988b92016-06-10 18:03:571512 // TODO(creis): For now, restrict this check to HTTP(S) origins, because
1513 // about:blank, file, and unique origins are more subtle to get right.
1514 // We'll abstract out the relevant checks from IsURLInPageNavigation and
1515 // share them here. See https://crbug.com/618104.
1516 const GURL& dest_top_url = GetEntryAtIndex(entry_index)->GetURL();
1517 const GURL& current_top_url = GetLastCommittedEntry()->GetURL();
1518 if (current_top_url.SchemeIsHTTPOrHTTPS() &&
1519 dest_top_url.SchemeIsHTTPOrHTTPS() &&
1520 current_top_url.GetOrigin() != dest_top_url.GetOrigin()) {
creisfb6eeb62016-05-10 19:01:511521 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1522 bad_message::NC_AUTO_SUBFRAME);
avi98405c22015-05-21 20:47:061523 }
creis3cdc3b02015-05-29 23:00:471524
creis913c63ce2016-07-16 19:52:521525 // We only need to discard the pending entry in this history navigation
1526 // case. For newly created subframes, there was no pending entry.
avi98405c22015-05-21 20:47:061527 last_committed_entry_index_ = entry_index;
1528 DiscardNonCommittedEntriesInternal();
creis913c63ce2016-07-16 19:52:521529
1530 // History navigations should send a commit notification.
1531 send_commit_notification = true;
avi98405c22015-05-21 20:47:061532 }
[email protected]e9ba4472008-09-14 15:42:431533 }
[email protected]f233e4232013-02-23 00:55:141534
creisce0ef3572017-01-26 17:53:081535 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1536 // it may be a "history auto" case where we update an existing one.
1537 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
1538 last_committed->AddOrUpdateFrameEntry(
1539 rfh->frame_tree_node(), params.item_sequence_number,
1540 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
1541 params.url, params.referrer, params.redirects, params.page_state,
1542 params.method, params.post_id);
creis625a0c7d2015-03-24 23:17:121543
creis913c63ce2016-07-16 19:52:521544 return send_commit_notification;
[email protected]e9ba4472008-09-14 15:42:431545}
1546
[email protected]d202a7c2012-01-04 07:53:471547int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231548 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:031549 for (size_t i = 0; i < entries_.size(); ++i) {
1550 if (entries_[i].get() == entry)
1551 return i;
1552 }
1553 return -1;
[email protected]765b35502008-08-21 00:51:201554}
1555
Eugene But7cc259d2017-10-09 23:52:491556// There are two general cases where a navigation is "same-document":
avidb7d1d22015-06-08 21:21:501557// 1. A fragment navigation, in which the url is kept the same except for the
1558// reference fragment.
1559// 2. A history API navigation (pushState and replaceState). This case is
Eugene But7cc259d2017-10-09 23:52:491560// always same-document, but the urls are not guaranteed to match excluding
1561// the fragment. The relevant spec allows pushState/replaceState to any URL
1562// on the same origin.
avidb7d1d22015-06-08 21:21:501563// However, due to reloads, even identical urls are *not* guaranteed to be
Eugene But7cc259d2017-10-09 23:52:491564// same-document navigations, we have to trust the renderer almost entirely.
avidb7d1d22015-06-08 21:21:501565// The one thing we do know is that cross-origin navigations will *never* be
Eugene But7cc259d2017-10-09 23:52:491566// same-document. Therefore, trust the renderer if the URLs are on the same
1567// origin, and assume the renderer is malicious if a cross-origin navigation
1568// claims to be same-document.
creisf164daa2016-06-07 00:17:051569//
1570// TODO(creis): Clean up and simplify the about:blank and origin checks below,
1571// which are likely redundant with each other. Be careful about data URLs vs
1572// about:blank, both of which are unique origins and thus not considered equal.
Eugene But7cc259d2017-10-09 23:52:491573bool NavigationControllerImpl::IsURLSameDocumentNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121574 const GURL& url,
creisf164daa2016-06-07 00:17:051575 const url::Origin& origin,
Eugene But7cc259d2017-10-09 23:52:491576 bool renderer_says_same_document,
[email protected]5cfbddc2014-06-23 23:52:231577 RenderFrameHost* rfh) const {
creis225a7432016-06-03 22:56:271578 RenderFrameHostImpl* rfhi = static_cast<RenderFrameHostImpl*>(rfh);
avidb7d1d22015-06-08 21:21:501579 GURL last_committed_url;
1580 if (rfh->GetParent()) {
creis225a7432016-06-03 22:56:271581 // Use the FrameTreeNode's current_url and not rfh->GetLastCommittedURL(),
1582 // which might be empty in a new RenderFrameHost after a process swap.
1583 // Here, we care about the last committed URL in the FrameTreeNode,
1584 // regardless of which process it is in.
1585 last_committed_url = rfhi->frame_tree_node()->current_url();
avidb7d1d22015-06-08 21:21:501586 } else {
1587 NavigationEntry* last_committed = GetLastCommittedEntry();
1588 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1589 // might Blink say that a navigation is in-page yet there be no last-
1590 // committed entry?
1591 if (!last_committed)
1592 return false;
1593 last_committed_url = last_committed->GetURL();
1594 }
1595
1596 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
creis225a7432016-06-03 22:56:271597 const url::Origin& committed_origin =
1598 rfhi->frame_tree_node()->current_origin();
avidb7d1d22015-06-08 21:21:501599 bool is_same_origin = last_committed_url.is_empty() ||
1600 // TODO(japhet): We should only permit navigations
1601 // originating from about:blank to be in-page if the
1602 // about:blank is the first document that frame loaded.
1603 // We don't have sufficient information to identify
1604 // that case at the moment, so always allow about:blank
1605 // for now.
csharrisona3bd0b32016-10-19 18:40:481606 last_committed_url == url::kAboutBlankURL ||
avidb7d1d22015-06-08 21:21:501607 last_committed_url.GetOrigin() == url.GetOrigin() ||
creisf164daa2016-06-07 00:17:051608 committed_origin == origin ||
avidb7d1d22015-06-08 21:21:501609 !prefs.web_security_enabled ||
1610 (prefs.allow_universal_access_from_file_urls &&
creisdc004e02015-11-20 21:28:471611 committed_origin.scheme() == url::kFileScheme);
Eugene But7cc259d2017-10-09 23:52:491612 if (!is_same_origin && renderer_says_same_document) {
avidb7d1d22015-06-08 21:21:501613 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1614 bad_message::NC_IN_PAGE_NAVIGATION);
1615 }
Eugene But7cc259d2017-10-09 23:52:491616 return is_same_origin && renderer_says_same_document;
[email protected]e9ba4472008-09-14 15:42:431617}
1618
Francois Dorayeaace782017-06-21 16:37:241619void NavigationControllerImpl::CopyStateFrom(const NavigationController& temp,
1620 bool needs_reload) {
[email protected]d202a7c2012-01-04 07:53:471621 const NavigationControllerImpl& source =
1622 static_cast<const NavigationControllerImpl&>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571623 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551624 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571625
[email protected]a26023822011-12-29 00:23:551626 if (source.GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571627 return; // Nothing new to do.
1628
Francois Dorayeaace782017-06-21 16:37:241629 needs_reload_ = needs_reload;
[email protected]a26023822011-12-29 00:23:551630 InsertEntriesFrom(source, source.GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571631
[email protected]fdac6ade2013-07-20 01:06:301632 for (SessionStorageNamespaceMap::const_iterator it =
1633 source.session_storage_namespace_map_.begin();
1634 it != source.session_storage_namespace_map_.end();
1635 ++it) {
1636 SessionStorageNamespaceImpl* source_namespace =
1637 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1638 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1639 }
[email protected]4e6419c2010-01-15 04:50:341640
toyoshim0df1d3a2016-09-09 09:52:481641 FinishRestore(source.last_committed_entry_index_,
1642 RestoreType::CURRENT_SESSION);
[email protected]ce3fa3c2009-04-20 19:55:571643}
1644
[email protected]d202a7c2012-01-04 07:53:471645void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571646 NavigationController* temp,
1647 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161648 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011649 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161650
[email protected]d202a7c2012-01-04 07:53:471651 NavigationControllerImpl* source =
1652 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251653
avi2b177592014-12-10 02:08:021654 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011655 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251656
[email protected]474f8512013-05-31 22:31:161657 // We now have one entry, possibly with a new pending entry. Ensure that
1658 // adding the entries from source won't put us over the limit.
1659 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571660 if (!replace_entry)
1661 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251662
[email protected]47e020a2010-10-15 14:43:371663 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021664 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161665 // since it has not committed in source.
1666 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251667 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551668 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251669 else
1670 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571671
1672 // Ignore the source's current entry if merging with replacement.
1673 // TODO(davidben): This should preserve entries forward of the current
1674 // too. http://crbug.com/317872
1675 if (replace_entry && max_source_index > 0)
1676 max_source_index--;
1677
[email protected]47e020a2010-10-15 14:43:371678 InsertEntriesFrom(*source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251679
1680 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551681 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141682
avi2b177592014-12-10 02:08:021683 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1684 GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:251685}
1686
[email protected]79368982013-11-13 01:11:011687bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161688 // If there is no last committed entry, we cannot prune. Even if there is a
1689 // pending entry, it may not commit, leaving this WebContents blank, despite
1690 // possibly giving it new entries via CopyStateFromAndPrune.
1691 if (last_committed_entry_index_ == -1)
1692 return false;
[email protected]9350602e2013-02-26 23:27:441693
[email protected]474f8512013-05-31 22:31:161694 // We cannot prune if there is a pending entry at an existing entry index.
1695 // It may not commit, so we have to keep the last committed entry, and thus
1696 // there is no sensible place to keep the pending entry. It is ok to have
1697 // a new pending entry, which can optionally commit as a new navigation.
1698 if (pending_entry_index_ != -1)
1699 return false;
1700
1701 // We should not prune if we are currently showing a transient entry.
1702 if (transient_entry_index_ != -1)
1703 return false;
1704
1705 return true;
1706}
1707
[email protected]79368982013-11-13 01:11:011708void NavigationControllerImpl::PruneAllButLastCommitted() {
1709 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161710
avi2b177592014-12-10 02:08:021711 DCHECK_EQ(0, last_committed_entry_index_);
1712 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441713
avi2b177592014-12-10 02:08:021714 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1715 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441716}
1717
[email protected]79368982013-11-13 01:11:011718void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161719 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011720 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261721
[email protected]474f8512013-05-31 22:31:161722 // Erase all entries but the last committed entry. There may still be a
1723 // new pending entry after this.
1724 entries_.erase(entries_.begin(),
1725 entries_.begin() + last_committed_entry_index_);
1726 entries_.erase(entries_.begin() + 1, entries_.end());
1727 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261728}
1729
[email protected]15f46dc2013-01-24 05:40:241730void NavigationControllerImpl::ClearAllScreenshots() {
[email protected]1a3f5312013-04-26 21:00:101731 screenshot_manager_->ClearAllScreenshots();
[email protected]15f46dc2013-01-24 05:40:241732}
1733
[email protected]d1198fd2012-08-13 22:50:191734void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:301735 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:211736 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:191737 if (!session_storage_namespace)
1738 return;
1739
1740 // We can't overwrite an existing SessionStorage without violating spec.
1741 // Attempts to do so may give a tab access to another tab's session storage
1742 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:301743 bool successful_insert = session_storage_namespace_map_.insert(
1744 make_pair(partition_id,
1745 static_cast<SessionStorageNamespaceImpl*>(
1746 session_storage_namespace)))
1747 .second;
1748 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:191749}
1750
[email protected]aa62afd2014-04-22 19:22:461751bool NavigationControllerImpl::IsUnmodifiedBlankTab() const {
[email protected]aa62afd2014-04-22 19:22:461752 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:101753 !GetLastCommittedEntry() &&
1754 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:461755}
1756
[email protected]a26023822011-12-29 00:23:551757SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:301758NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
1759 std::string partition_id;
1760 if (instance) {
1761 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
1762 // this if statement so |instance| must not be NULL.
1763 partition_id =
1764 GetContentClient()->browser()->GetStoragePartitionIdForSite(
1765 browser_context_, instance->GetSiteURL());
1766 }
[email protected]d1198fd2012-08-13 22:50:191767
[email protected]fdac6ade2013-07-20 01:06:301768 // TODO(ajwong): Should this use the |partition_id| directly rather than
1769 // re-lookup via |instance|? http://crbug.com/142685
1770 StoragePartition* partition =
michaelnbacbcbd2016-02-09 00:32:031771 BrowserContext::GetStoragePartition(browser_context_, instance);
1772 DOMStorageContextWrapper* context_wrapper =
1773 static_cast<DOMStorageContextWrapper*>(partition->GetDOMStorageContext());
1774
1775 SessionStorageNamespaceMap::const_iterator it =
1776 session_storage_namespace_map_.find(partition_id);
1777 if (it != session_storage_namespace_map_.end()) {
1778 // Ensure that this namespace actually belongs to this partition.
1779 DCHECK(static_cast<SessionStorageNamespaceImpl*>(it->second.get())->
1780 IsFromContext(context_wrapper));
1781 return it->second.get();
1782 }
1783
1784 // Create one if no one has accessed session storage for this partition yet.
[email protected]fdac6ade2013-07-20 01:06:301785 SessionStorageNamespaceImpl* session_storage_namespace =
michaelnbacbcbd2016-02-09 00:32:031786 new SessionStorageNamespaceImpl(context_wrapper);
[email protected]fdac6ade2013-07-20 01:06:301787 session_storage_namespace_map_[partition_id] = session_storage_namespace;
1788
1789 return session_storage_namespace;
1790}
1791
1792SessionStorageNamespace*
1793NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
1794 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
Ivan Kotenkov2c0d2bb32017-11-01 15:41:281795 return GetSessionStorageNamespace(nullptr);
[email protected]fdac6ade2013-07-20 01:06:301796}
1797
1798const SessionStorageNamespaceMap&
1799NavigationControllerImpl::GetSessionStorageNamespaceMap() const {
1800 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:551801}
[email protected]d202a7c2012-01-04 07:53:471802
1803bool NavigationControllerImpl::NeedsReload() const {
[email protected]71fde352011-12-29 03:29:561804 return needs_reload_;
1805}
[email protected]a26023822011-12-29 00:23:551806
[email protected]46bb5e9c2013-10-03 22:16:471807void NavigationControllerImpl::SetNeedsReload() {
1808 needs_reload_ = true;
jaekyunc8cefa82015-01-09 20:14:541809
1810 if (last_committed_entry_index_ != -1) {
1811 entries_[last_committed_entry_index_]->SetTransitionType(
1812 ui::PAGE_TRANSITION_RELOAD);
1813 }
[email protected]46bb5e9c2013-10-03 22:16:471814}
1815
[email protected]d202a7c2012-01-04 07:53:471816void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:551817 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:121818 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:311819
1820 DiscardNonCommittedEntries();
1821
1822 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:121823 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:311824 last_committed_entry_index_--;
1825}
1826
[email protected]d202a7c2012-01-04 07:53:471827void NavigationControllerImpl::DiscardNonCommittedEntries() {
pdr15f5b5b2017-06-20 00:58:001828 bool transient = transient_entry_index_ != -1;
[email protected]cbab76d2008-10-13 22:42:471829 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:291830
pdr15f5b5b2017-06-20 00:58:001831 // If there was a transient entry, invalidate everything so the new active
1832 // entry state is shown.
1833 if (transient) {
1834 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:471835 }
initial.commit09911bf2008-07-26 23:55:291836}
1837
creis3da03872015-02-20 21:12:321838NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() const {
arthursonzogni5c4c202d2017-04-25 23:41:271839 // If there is no pending_entry_, there should be no pending_entry_index_.
1840 DCHECK(pending_entry_ || pending_entry_index_ == -1);
1841
1842 // If there is a pending_entry_index_, then pending_entry_ must be the entry
1843 // at that index.
1844 DCHECK(pending_entry_index_ == -1 ||
1845 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
1846
[email protected]022af742011-12-28 18:37:251847 return pending_entry_;
1848}
1849
[email protected]d202a7c2012-01-04 07:53:471850int NavigationControllerImpl::GetPendingEntryIndex() const {
arthursonzogni5c4c202d2017-04-25 23:41:271851 // The pending entry index must always be less than the number of entries.
1852 // If there are no entries, it must be exactly -1.
1853 DCHECK_LT(pending_entry_index_, GetEntryCount());
1854 DCHECK(GetEntryCount() != 0 || pending_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:551855 return pending_entry_index_;
1856}
1857
avi25764702015-06-23 15:43:371858void NavigationControllerImpl::InsertOrReplaceEntry(
dcheng9bfa5162016-04-09 01:00:571859 std::unique_ptr<NavigationEntryImpl> entry,
1860 bool replace) {
mastiz7eddb5f72016-06-23 09:52:451861 DCHECK(!ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
1862 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
[email protected]765b35502008-08-21 00:51:201863
avi5cad4912015-06-19 05:25:441864 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
1865 // need to keep continuity with the pending entry, so copy the pending entry's
1866 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
1867 // then the renderer navigated on its own, independent of the pending entry,
1868 // so don't copy anything.
1869 if (pending_entry_ && pending_entry_index_ == -1)
1870 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:201871
[email protected]cbab76d2008-10-13 22:42:471872 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:201873
1874 int current_size = static_cast<int>(entries_.size());
creisee17e932015-07-17 17:56:221875
1876 // When replacing, don't prune the forward history.
creis37979a62015-08-04 19:48:181877 if (replace && current_size > 0) {
dcheng36b6aec92015-12-26 06:16:361878 entries_[last_committed_entry_index_] = std::move(entry);
creisee17e932015-07-17 17:56:221879 return;
1880 }
[email protected]765b35502008-08-21 00:51:201881
creis37979a62015-08-04 19:48:181882 // We shouldn't see replace == true when there's no committed entries.
1883 DCHECK(!replace);
1884
[email protected]765b35502008-08-21 00:51:201885 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:451886 // Prune any entries which are in front of the current entry.
[email protected]47dcbdc2011-05-27 15:08:311887 // last_committed_entry_index_ must be updated here since calls to
1888 // NotifyPrunedEntries() below may re-enter and we must make sure
1889 // last_committed_entry_index_ is not left in an invalid state.
[email protected]c12bf1a12008-09-17 16:28:491890 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:311891 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:491892 num_pruned++;
[email protected]765b35502008-08-21 00:51:201893 entries_.pop_back();
1894 current_size--;
1895 }
[email protected]c12bf1a12008-09-17 16:28:491896 if (num_pruned > 0) // Only notify if we did prune something.
1897 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:201898 }
1899
[email protected]944822b2012-03-02 20:57:251900 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:201901
dcheng36b6aec92015-12-26 06:16:361902 entries_.push_back(std::move(entry));
[email protected]765b35502008-08-21 00:51:201903 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
initial.commit09911bf2008-07-26 23:55:291904}
1905
[email protected]944822b2012-03-02 20:57:251906void NavigationControllerImpl::PruneOldestEntryIfFull() {
1907 if (entries_.size() >= max_entry_count()) {
1908 DCHECK_EQ(max_entry_count(), entries_.size());
[email protected]e6fec472013-05-14 05:29:021909 DCHECK_GT(last_committed_entry_index_, 0);
[email protected]944822b2012-03-02 20:57:251910 RemoveEntryAtIndex(0);
1911 NotifyPrunedEntries(this, true, 1);
1912 }
1913}
1914
[email protected]d202a7c2012-01-04 07:53:471915void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
arthursonzogni5c4c202d2017-04-25 23:41:271916 DCHECK(pending_entry_);
[email protected]72097fd02010-01-21 23:36:011917 needs_reload_ = false;
1918
[email protected]83c2e232011-10-07 21:36:461919 // If we were navigating to a slow-to-commit page, and the user performs
1920 // a session history navigation to the last committed page, RenderViewHost
1921 // will force the throbber to start, but WebKit will essentially ignore the
1922 // navigation, and won't send a message to stop the throbber. To prevent this
1923 // from happening, we drop the navigation here and stop the slow-to-commit
1924 // page from loading (which would normally happen during the navigation).
1925 if (pending_entry_index_ != -1 &&
1926 pending_entry_index_ == last_committed_entry_index_ &&
arthursonzogni5c4c202d2017-04-25 23:41:271927 pending_entry_->restore_type() == RestoreType::NONE &&
1928 pending_entry_->GetTransitionType() & ui::PAGE_TRANSITION_FORWARD_BACK) {
[email protected]ec6c05f2013-10-23 18:41:571929 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:121930
avi668f5232017-06-22 22:52:171931 // If an interstitial page is showing, we want to close it to get back to
1932 // what was showing before.
1933 //
1934 // There are two ways to get the interstitial page given a WebContents.
1935 // Because WebContents::GetInterstitialPage() returns null between the
1936 // interstitial's Show() method being called and the interstitial becoming
1937 // visible, while InterstitialPage::GetInterstitialPage() returns the
1938 // interstitial during that time, use the latter.
1939 InterstitialPage* interstitial =
1940 InterstitialPage::GetInterstitialPage(GetWebContents());
1941 if (interstitial)
1942 interstitial->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:121943
[email protected]83c2e232011-10-07 21:36:461944 DiscardNonCommittedEntries();
1945 return;
1946 }
1947
[email protected]6a13a6c2011-12-20 21:47:121948 // If an interstitial page is showing, the previous renderer is blocked and
1949 // cannot make new requests. Unblock (and disable) it to allow this
1950 // navigation to succeed. The interstitial will stay visible until the
1951 // resulting DidNavigate.
[email protected]ec6c05f2013-10-23 18:41:571952 if (delegate_->GetInterstitialPage()) {
ananta3bdd8ae2016-12-22 17:11:551953 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
1954 ->CancelForNavigation();
[email protected]cadaec52012-02-08 21:53:131955 }
[email protected]6a13a6c2011-12-20 21:47:121956
ananta3bdd8ae2016-12-22 17:11:551957 // The last navigation is the last pending navigation which hasn't been
1958 // committed yet, or the last committed navigation.
1959 NavigationEntryImpl* last_navigation =
1960 last_pending_entry_ ? last_pending_entry_ : GetLastCommittedEntry();
1961
1962 // Convert Enter-in-omnibox to a reload. This is what Blink does in
1963 // FrameLoader, but we want to handle it here so that if the navigation is
1964 // redirected or handled purely on the browser side in PlzNavigate we have the
arthursonzogni5c4c202d2017-04-25 23:41:271965 // same behaviour as Blink would.
1966 if (reload_type == ReloadType::NONE && last_navigation &&
1967 // When |pending_entry_index_| is different from -1, it means this is an
1968 // history navigation. History navigation mustn't be converted to a
1969 // reload.
1970 pending_entry_index_ == -1 &&
ananta3bdd8ae2016-12-22 17:11:551971 // Please refer to the ShouldTreatNavigationAsReload() function for info
1972 // on which navigations are treated as reloads. In general navigating to
1973 // the last committed or pending entry via the address bar, clicking on
1974 // a link, etc would be treated as reloads.
1975 ShouldTreatNavigationAsReload(pending_entry_) &&
1976 // Skip entries with SSL errors.
1977 !last_navigation->ssl_error() &&
1978 // Ignore interstitial pages
1979 last_transient_entry_index_ == -1 &&
1980 pending_entry_->frame_tree_node_id() == -1 &&
1981 pending_entry_->GetURL() == last_navigation->GetURL() &&
1982 !pending_entry_->GetHasPostData() && !last_navigation->GetHasPostData() &&
1983 // This check is required for cases like view-source:, etc. Here the URL
1984 // of the navigation entry would contain the url of the page, while the
1985 // virtual URL contains the full URL including the view-source prefix.
1986 last_navigation->GetVirtualURL() == pending_entry_->GetVirtualURL() &&
1987 // This check is required for Android WebView loadDataWithBaseURL. Apps
1988 // can pass in anything in the base URL and we need to ensure that these
1989 // match before classifying it as a reload.
1990 (pending_entry_->GetURL().SchemeIs(url::kDataScheme) &&
1991 pending_entry_->GetBaseURLForDataURL().is_valid()
1992 ? pending_entry_->GetBaseURLForDataURL() ==
1993 last_navigation->GetBaseURLForDataURL()
1994 : true)) {
1995 reload_type = ReloadType::NORMAL;
1996 }
1997
1998 if (last_pending_entry_index_ == -1 && last_pending_entry_)
1999 delete last_pending_entry_;
2000
2001 last_transient_entry_index_ = -1;
2002 last_pending_entry_ = nullptr;
2003 last_pending_entry_index_ = -1;
2004
creiscf40d9c2015-09-11 18:20:542005 // Any renderer-side debug URLs or javascript: URLs should be ignored if the
2006 // renderer process is not live, unless it is the initial navigation of the
2007 // tab.
2008 if (IsRendererDebugURL(pending_entry_->GetURL())) {
2009 // TODO(creis): Find the RVH for the correct frame.
2010 if (!delegate_->GetRenderViewHost()->IsRenderViewLive() &&
2011 !IsInitialNavigation()) {
2012 DiscardNonCommittedEntries();
2013 return;
2014 }
2015 }
2016
[email protected]40fd3032014-02-28 22:16:282017 // This call does not support re-entrancy. See http://crbug.com/347742.
2018 CHECK(!in_navigate_to_pending_entry_);
2019 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:302020 bool success = NavigateToPendingEntryInternal(reload_type);
[email protected]40fd3032014-02-28 22:16:282021 in_navigate_to_pending_entry_ = false;
2022
2023 if (!success)
[email protected]cbab76d2008-10-13 22:42:472024 DiscardNonCommittedEntries();
initial.commit09911bf2008-07-26 23:55:292025}
2026
creis4e2ecb72015-06-20 00:46:302027bool NavigationControllerImpl::NavigateToPendingEntryInternal(
2028 ReloadType reload_type) {
2029 DCHECK(pending_entry_);
2030 FrameTreeNode* root = delegate_->GetFrameTree()->root();
2031
creisce0ef3572017-01-26 17:53:082032 // Compare FrameNavigationEntries to see which frames in the tree need to be
2033 // navigated.
creis4e2ecb72015-06-20 00:46:302034 FrameLoadVector same_document_loads;
2035 FrameLoadVector different_document_loads;
2036 if (GetLastCommittedEntry()) {
2037 FindFramesToNavigate(root, &same_document_loads, &different_document_loads);
2038 }
2039
2040 if (same_document_loads.empty() && different_document_loads.empty()) {
2041 // If we don't have any frames to navigate at this point, either
2042 // (1) there is no previous history entry to compare against, or
2043 // (2) we were unable to match any frames by name. In the first case,
2044 // doing a different document navigation to the root item is the only valid
2045 // thing to do. In the second case, we should have been able to find a
2046 // frame to navigate based on names if this were a same document
2047 // navigation, so we can safely assume this is the different document case.
2048 different_document_loads.push_back(
2049 std::make_pair(root, pending_entry_->GetFrameEntry(root)));
2050 }
2051
2052 // If all the frame loads fail, we will discard the pending entry.
2053 bool success = false;
2054
2055 // Send all the same document frame loads before the different document loads.
2056 for (const auto& item : same_document_loads) {
2057 FrameTreeNode* frame = item.first;
2058 success |= frame->navigator()->NavigateToPendingEntry(frame, *item.second,
2059 reload_type, true);
2060 }
2061 for (const auto& item : different_document_loads) {
2062 FrameTreeNode* frame = item.first;
2063 success |= frame->navigator()->NavigateToPendingEntry(frame, *item.second,
2064 reload_type, false);
2065 }
2066 return success;
2067}
2068
2069void NavigationControllerImpl::FindFramesToNavigate(
2070 FrameTreeNode* frame,
2071 FrameLoadVector* same_document_loads,
2072 FrameLoadVector* different_document_loads) {
2073 DCHECK(pending_entry_);
2074 DCHECK_GE(last_committed_entry_index_, 0);
2075 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
creis225a7432016-06-03 22:56:272076 // TODO(creis): Store the last committed FrameNavigationEntry to use here,
2077 // rather than assuming the NavigationEntry has up to date info on subframes.
creis4e2ecb72015-06-20 00:46:302078 FrameNavigationEntry* old_item =
2079 GetLastCommittedEntry()->GetFrameEntry(frame);
2080 if (!new_item)
2081 return;
2082
2083 // Schedule a load in this frame if the new item isn't for the same item
creis7115a702015-12-03 18:55:562084 // sequence number in the same SiteInstance. Newly restored items may not have
2085 // a SiteInstance yet, in which case it will be assigned on first commit.
creis4e2ecb72015-06-20 00:46:302086 if (!old_item ||
2087 new_item->item_sequence_number() != old_item->item_sequence_number() ||
creis7115a702015-12-03 18:55:562088 (new_item->site_instance() != nullptr &&
2089 new_item->site_instance() != old_item->site_instance())) {
creis54131692016-08-12 18:32:252090 // Same document loads happen if the previous item has the same document
2091 // sequence number. Note that we should treat them as different document if
2092 // the destination RenderFrameHost (which is necessarily the current
2093 // RenderFrameHost for same document navigations) doesn't have a last
2094 // committed page. This case can happen for Ctrl+Back or after a renderer
2095 // crash.
creis4e2ecb72015-06-20 00:46:302096 if (old_item &&
2097 new_item->document_sequence_number() ==
creis54131692016-08-12 18:32:252098 old_item->document_sequence_number() &&
Avi Drissman2eb7a482017-11-30 04:36:312099 !frame->current_frame_host()->GetLastCommittedURL().is_empty()) {
creis4e2ecb72015-06-20 00:46:302100 same_document_loads->push_back(std::make_pair(frame, new_item));
avib48cb312016-05-05 21:35:002101
2102 // TODO(avi, creis): This is a bug; we should not return here. Rather, we
2103 // should continue on and navigate all child frames which have also
2104 // changed. This bug is the cause of <https://crbug.com/542299>, which is
2105 // a NC_IN_PAGE_NAVIGATION renderer kill.
2106 //
2107 // However, this bug is a bandaid over a deeper and worse problem. Doing a
2108 // pushState immediately after loading a subframe is a race, one that no
2109 // web page author expects. If we fix this bug, many large websites break.
2110 // For example, see <https://crbug.com/598043> and the spec discussion at
2111 // <https://github.com/whatwg/html/issues/1191>.
2112 //
2113 // For now, we accept this bug, and hope to resolve the race in a
2114 // different way that will one day allow us to fix this.
2115 return;
creis4e2ecb72015-06-20 00:46:302116 } else {
2117 different_document_loads->push_back(std::make_pair(frame, new_item));
avib3b47ab2016-01-22 20:53:582118 // For a different document, the subframes will be destroyed, so there's
2119 // no need to consider them.
2120 return;
creis4e2ecb72015-06-20 00:46:302121 }
creis4e2ecb72015-06-20 00:46:302122 }
2123
2124 for (size_t i = 0; i < frame->child_count(); i++) {
2125 FindFramesToNavigate(frame->child_at(i), same_document_loads,
2126 different_document_loads);
2127 }
2128}
2129
[email protected]d202a7c2012-01-04 07:53:472130void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:212131 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:272132 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:402133
[email protected]2db9bd72012-04-13 20:20:562134 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:402135 // location bar will have up-to-date information about the security style
2136 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:132137 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:402138
[email protected]7f924832014-08-09 05:57:222139 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:572140 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:462141
[email protected]b0f724c2013-09-05 04:21:132142 // TODO(avi): Remove. http://crbug.com/170921
2143 NotificationDetails notification_details =
2144 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:212145 NotificationService::current()->Notify(
2146 NOTIFICATION_NAV_ENTRY_COMMITTED,
2147 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:402148 notification_details);
initial.commit09911bf2008-07-26 23:55:292149}
2150
initial.commit09911bf2008-07-26 23:55:292151// static
[email protected]d202a7c2012-01-04 07:53:472152size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:232153 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
2154 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:212155 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:232156}
2157
[email protected]d202a7c2012-01-04 07:53:472158void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:222159 if (is_active && needs_reload_)
2160 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:292161}
2162
[email protected]d202a7c2012-01-04 07:53:472163void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:292164 if (!needs_reload_)
2165 return;
2166
initial.commit09911bf2008-07-26 23:55:292167 // Calling Reload() results in ignoring state, and not loading.
2168 // Explicitly use NavigateToPendingEntry so that the renderer uses the
2169 // cached state.
avicc872d7242015-08-19 21:26:342170 if (pending_entry_) {
toyoshim0df1d3a2016-09-09 09:52:482171 NavigateToPendingEntry(ReloadType::NONE);
avicc872d7242015-08-19 21:26:342172 } else if (last_committed_entry_index_ != -1) {
arthursonzogni5c4c202d2017-04-25 23:41:272173 pending_entry_ = entries_[last_committed_entry_index_].get();
avicc872d7242015-08-19 21:26:342174 pending_entry_index_ = last_committed_entry_index_;
toyoshim0df1d3a2016-09-09 09:52:482175 NavigateToPendingEntry(ReloadType::NONE);
avicc872d7242015-08-19 21:26:342176 } else {
2177 // If there is something to reload, the successful reload will clear the
2178 // |needs_reload_| flag. Otherwise, just do it here.
2179 needs_reload_ = false;
2180 }
initial.commit09911bf2008-07-26 23:55:292181}
2182
avi47179332015-05-20 21:01:112183void NavigationControllerImpl::NotifyEntryChanged(
2184 const NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:212185 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:092186 det.changed_entry = entry;
avi47179332015-05-20 21:01:112187 det.index = GetIndexOfEntry(
2188 NavigationEntryImpl::FromNavigationEntry(entry));
Sam McNally5c087a32017-08-25 01:46:142189 delegate_->NotifyNavigationEntryChanged(det);
initial.commit09911bf2008-07-26 23:55:292190}
2191
[email protected]d202a7c2012-01-04 07:53:472192void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:362193 RestoreType type) {
[email protected]a26023822011-12-29 00:23:552194 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:362195 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:292196
initial.commit09911bf2008-07-26 23:55:292197 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:292198}
[email protected]765b35502008-08-21 00:51:202199
[email protected]d202a7c2012-01-04 07:53:472200void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:452201 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:482202 DiscardTransientEntry();
2203}
2204
avi45a72532015-04-07 21:01:452205void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
[email protected]40fd3032014-02-28 22:16:282206 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
[email protected]e7fee58a2014-04-11 19:51:402207 // progress, since this will cause a use-after-free. (We only allow this
2208 // when the tab is being destroyed for shutdown, since it won't return to
2209 // NavigateToEntry in that case.) http://crbug.com/347742.
2210 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
[email protected]40fd3032014-02-28 22:16:282211
avi45a72532015-04-07 21:01:452212 if (was_failure && pending_entry_) {
2213 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
avi45a72532015-04-07 21:01:452214 } else {
2215 failed_pending_entry_id_ = 0;
2216 }
2217
arthursonzogni5c4c202d2017-04-25 23:41:272218 if (pending_entry_) {
2219 if (pending_entry_index_ == -1)
2220 delete pending_entry_;
2221 pending_entry_index_ = -1;
2222 pending_entry_ = nullptr;
2223 }
[email protected]cbab76d2008-10-13 22:42:472224}
2225
ananta3bdd8ae2016-12-22 17:11:552226void NavigationControllerImpl::SetPendingNavigationSSLError(bool error) {
2227 if (pending_entry_)
2228 pending_entry_->set_ssl_error(error);
2229}
2230
[email protected]d202a7c2012-01-04 07:53:472231void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:472232 if (transient_entry_index_ == -1)
2233 return;
[email protected]a0e69262009-06-03 19:08:482234 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:182235 if (last_committed_entry_index_ > transient_entry_index_)
2236 last_committed_entry_index_--;
arthursonzogni5c4c202d2017-04-25 23:41:272237 if (pending_entry_index_ > transient_entry_index_)
2238 pending_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:472239 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:202240}
2241
avi7c6f35e2015-05-08 17:52:382242int NavigationControllerImpl::GetEntryIndexWithUniqueID(
2243 int nav_entry_id) const {
2244 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
2245 if (entries_[i]->GetUniqueID() == nav_entry_id)
2246 return i;
2247 }
2248 return -1;
2249}
2250
creis3da03872015-02-20 21:12:322251NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() const {
[email protected]cbab76d2008-10-13 22:42:472252 if (transient_entry_index_ == -1)
Ivan Kotenkov2c0d2bb32017-11-01 15:41:282253 return nullptr;
avif16f85a72015-11-13 18:25:032254 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:472255}
[email protected]e1cd5452010-08-26 18:03:252256
avi25764702015-06-23 15:43:372257void NavigationControllerImpl::SetTransientEntry(
dcheng9bfa5162016-04-09 01:00:572258 std::unique_ptr<NavigationEntry> entry) {
[email protected]0b684262013-02-20 02:18:212259 // Discard any current transient entry, we can only have one at a time.
2260 int index = 0;
2261 if (last_committed_entry_index_ != -1)
2262 index = last_committed_entry_index_ + 1;
2263 DiscardTransientEntry();
avi25764702015-06-23 15:43:372264 entries_.insert(entries_.begin() + index,
dcheng36b6aec92015-12-26 06:16:362265 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
arthursonzogni5c4c202d2017-04-25 23:41:272266 if (pending_entry_index_ >= index)
2267 pending_entry_index_++;
[email protected]0b684262013-02-20 02:18:212268 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:222269 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:212270}
2271
[email protected]d202a7c2012-01-04 07:53:472272void NavigationControllerImpl::InsertEntriesFrom(
2273 const NavigationControllerImpl& source,
[email protected]e1cd5452010-08-26 18:03:252274 int max_index) {
[email protected]a26023822011-12-29 00:23:552275 DCHECK_LE(max_index, source.GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:252276 size_t insert_index = 0;
2277 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:352278 // When cloning a tab, copy all entries except interstitial pages.
avi25764702015-06-23 15:43:372279 if (source.entries_[i]->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
creisef4a0cb2015-03-12 19:14:352280 // TODO(creis): Once we start sharing FrameNavigationEntries between
2281 // NavigationEntries, it will not be safe to share them with another tab.
2282 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:252283 entries_.insert(entries_.begin() + insert_index++,
dcheng36b6aec92015-12-26 06:16:362284 source.entries_[i]->Clone());
[email protected]e1cd5452010-08-26 18:03:252285 }
2286 }
arthursonzogni5c4c202d2017-04-25 23:41:272287 DCHECK(pending_entry_index_ == -1 ||
2288 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
[email protected]e1cd5452010-08-26 18:03:252289}
[email protected]c5b88d82012-10-06 17:03:332290
2291void NavigationControllerImpl::SetGetTimestampCallbackForTest(
2292 const base::Callback<base::Time()>& get_timestamp_callback) {
2293 get_timestamp_callback_ = get_timestamp_callback;
2294}
[email protected]8ff00d72012-10-23 19:12:212295
2296} // namespace content