blob: c30cfa4db00a390db911dc09fec120e468b543f0 [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"
nickd30fd962015-07-27 21:51:0865#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"
servolkf3955532015-05-16 00:01:5979#include "media/base/mime_util.h"
[email protected]a23de8572009-06-03 02:16:3280#include "net/base/escape.h"
[email protected]9677a3c2012-12-22 04:18:5881#include "skia/ext/platform_canvas.h"
Kinuko Yasuda74702f92017-07-31 03:27:5382#include "third_party/WebKit/common/mime_util/mime_util.h"
[email protected]cca6f392014-05-28 21:32:2683#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2984
[email protected]8ff00d72012-10-23 19:12:2185namespace content {
[email protected]e9ba4472008-09-14 15:42:4386namespace {
87
88// Invoked when entries have been pruned, or removed. For example, if the
89// current entries are [google, digg, yahoo], with the current entry google,
90// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4791void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4992 bool from_front,
93 int count) {
[email protected]8ff00d72012-10-23 19:12:2194 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4995 details.from_front = from_front;
96 details.count = count;
Sam McNally5c087a32017-08-25 01:46:1497 nav_controller->delegate()->NotifyNavigationListPruned(details);
[email protected]e9ba4472008-09-14 15:42:4398}
99
100// Ensure the given NavigationEntry has a valid state, so that WebKit does not
101// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:39102//
[email protected]e9ba4472008-09-14 15:42:43103// An empty state is treated as a new navigation by WebKit, which would mean
104// losing the navigation entries and generating a new navigation entry after
105// this one. We don't want that. To avoid this we create a valid state which
106// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:04107void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
108 if (!entry->GetPageState().IsValid())
109 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:43110}
111
112// Configure all the NavigationEntries in entries for restore. This resets
113// the transition type to reload and makes sure the content state isn't empty.
114void ConfigureEntriesForRestore(
dcheng9bfa5162016-04-09 01:00:57115 std::vector<std::unique_ptr<NavigationEntryImpl>>* entries,
toyoshim0df1d3a2016-09-09 09:52:48116 RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:43117 for (size_t i = 0; i < entries->size(); ++i) {
118 // Use a transition type of reload so that we don't incorrectly increase
119 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35120 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
toyoshim0df1d3a2016-09-09 09:52:48121 (*entries)[i]->set_restore_type(type);
[email protected]e9ba4472008-09-14 15:42:43122 // NOTE(darin): This code is only needed for backwards compat.
avif16f85a72015-11-13 18:25:03123 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43124 }
125}
126
[email protected]bf70edce2012-06-20 22:32:22127// Determines whether or not we should be carrying over a user agent override
128// between two NavigationEntries.
[email protected]8ff00d72012-10-23 19:12:21129bool ShouldKeepOverride(const NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22130 return last_entry && last_entry->GetIsOverridingUserAgent();
131}
132
ananta3bdd8ae2016-12-22 17:11:55133// Returns true if the PageTransition in the |entry| require this navigation to
134// be treated as a reload. For e.g. navigating to the last committed url via
135// the address bar or clicking on a link which results in a navigation to the
136// last committed or pending navigation, etc.
137bool ShouldTreatNavigationAsReload(const NavigationEntry* entry) {
138 if (!entry)
139 return false;
140
141 // We treat (PAGE_TRANSITION_RELOAD | PAGE_TRANSITION_FROM_ADDRESS_BAR),
142 // PAGE_TRANSITION_TYPED or PAGE_TRANSITION_LINK transitions as navigations
143 // which should be treated as reloads.
144 if ((ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
145 ui::PAGE_TRANSITION_RELOAD) &&
146 (entry->GetTransitionType() & ui::PAGE_TRANSITION_FROM_ADDRESS_BAR))) {
147 return true;
148 }
149
150 if (ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
151 ui::PAGE_TRANSITION_TYPED)) {
152 return true;
153 }
154
155 if (ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
156 ui::PAGE_TRANSITION_LINK)) {
157 return true;
158 }
159 return false;
160}
161
nasko5ff4eea2017-05-25 02:51:00162// Returns true if the error code indicates an error condition that is not
163// recoverable or navigation is blocked. In such cases, session history
164// navigations to the same NavigationEntry should not attempt to load the
165// original URL.
166// TODO(nasko): Find a better way to distinguish blocked vs failed navigations,
167// as this is a very hacky way of accomplishing this. For now, a handful of
168// error codes are considered, which are more or less known to be cases of
169// blocked navigations.
170bool IsBlockedNavigation(net::Error error_code) {
171 switch (error_code) {
172 case net::ERR_BLOCKED_BY_CLIENT:
173 case net::ERR_BLOCKED_BY_RESPONSE:
174 case net::ERR_BLOCKED_BY_XSS_AUDITOR:
175 case net::ERR_UNSAFE_REDIRECT:
176 return true;
177 default:
178 return false;
179 }
180}
181
[email protected]e9ba4472008-09-14 15:42:43182} // namespace
183
[email protected]d202a7c2012-01-04 07:53:47184// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29185
[email protected]23a918b2014-07-15 09:51:36186const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23187
[email protected]765b35502008-08-21 00:51:20188// static
[email protected]d202a7c2012-01-04 07:53:47189size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23190 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20191
[email protected]e6fec472013-05-14 05:29:02192// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20193// when testing.
194static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29195
[email protected]71fde352011-12-29 03:29:56196// static
dcheng9bfa5162016-04-09 01:00:57197std::unique_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
198 const GURL& url,
199 const Referrer& referrer,
200 ui::PageTransition transition,
201 bool is_renderer_initiated,
202 const std::string& extra_headers,
203 BrowserContext* browser_context) {
creis94a977f62015-02-18 23:51:05204 // Fix up the given URL before letting it be rewritten, so that any minor
205 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
206 GURL dest_url(url);
207 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(&dest_url,
208 browser_context);
209
[email protected]71fde352011-12-29 03:29:56210 // Allow the browser URL handler to rewrite the URL. This will, for example,
211 // remove "view-source:" from the beginning of the URL to get the URL that
212 // will actually be loaded. This real URL won't be shown to the user, just
213 // used internally.
creis94a977f62015-02-18 23:51:05214 GURL loaded_url(dest_url);
[email protected]71fde352011-12-29 03:29:56215 bool reverse_on_redirect = false;
[email protected]825b1662012-03-12 19:07:31216 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
[email protected]71fde352011-12-29 03:29:56217 &loaded_url, browser_context, &reverse_on_redirect);
218
219 NavigationEntryImpl* entry = new NavigationEntryImpl(
220 NULL, // The site instance for tabs is sent on navigation
[email protected]2db9bd72012-04-13 20:20:56221 // (WebContents::GetSiteInstance).
[email protected]71fde352011-12-29 03:29:56222 loaded_url,
223 referrer,
[email protected]fcf75d42013-12-03 20:11:26224 base::string16(),
[email protected]71fde352011-12-29 03:29:56225 transition,
226 is_renderer_initiated);
creis94a977f62015-02-18 23:51:05227 entry->SetVirtualURL(dest_url);
228 entry->set_user_typed_url(dest_url);
[email protected]71fde352011-12-29 03:29:56229 entry->set_update_virtual_url_with_url(reverse_on_redirect);
230 entry->set_extra_headers(extra_headers);
dcheng9bfa5162016-04-09 01:00:57231 return base::WrapUnique(entry);
[email protected]71fde352011-12-29 03:29:56232}
233
[email protected]cdcb1dee2012-01-04 00:46:20234// static
235void NavigationController::DisablePromptOnRepost() {
236 g_check_for_repost = false;
237}
238
[email protected]c5b88d82012-10-06 17:03:33239base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
240 base::Time t) {
241 // If |t| is between the water marks, we're in a run of duplicates
242 // or just getting out of it, so increase the high-water mark to get
243 // a time that probably hasn't been used before and return it.
244 if (low_water_mark_ <= t && t <= high_water_mark_) {
245 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
246 return high_water_mark_;
247 }
248
249 // Otherwise, we're clear of the last duplicate run, so reset the
250 // water marks.
251 low_water_mark_ = high_water_mark_ = t;
252 return t;
253}
254
[email protected]d202a7c2012-01-04 07:53:47255NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57256 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19257 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37258 : browser_context_(browser_context),
ananta3bdd8ae2016-12-22 17:11:55259 pending_entry_(nullptr),
260 last_pending_entry_(nullptr),
avi45a72532015-04-07 21:01:45261 failed_pending_entry_id_(0),
[email protected]765b35502008-08-21 00:51:20262 last_committed_entry_index_(-1),
263 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47264 transient_entry_index_(-1),
ananta3bdd8ae2016-12-22 17:11:55265 last_pending_entry_index_(-1),
266 last_transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57267 delegate_(delegate),
[email protected]69e797f2013-04-30 01:10:22268 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57269 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09270 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28271 in_navigate_to_pending_entry_(false),
toyoshim0df1d3a2016-09-09 09:52:48272 pending_reload_(ReloadType::NONE),
[email protected]8cea7892013-02-06 06:49:31273 get_timestamp_callback_(base::Bind(&base::Time::Now)),
toyoshima63c2a62016-09-29 09:03:26274 screenshot_manager_(new NavigationEntryScreenshotManager(this)),
275 last_committed_reload_type_(ReloadType::NONE) {
[email protected]3d7474ff2011-07-27 17:47:37276 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29277}
278
[email protected]d202a7c2012-01-04 07:53:47279NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47280 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29281}
282
[email protected]d202a7c2012-01-04 07:53:47283WebContents* NavigationControllerImpl::GetWebContents() const {
[email protected]ec6c05f2013-10-23 18:41:57284 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32285}
286
[email protected]d202a7c2012-01-04 07:53:47287BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
[email protected]a26023822011-12-29 00:23:55288 return browser_context_;
289}
290
[email protected]d202a7c2012-01-04 07:53:47291void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30292 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36293 RestoreType type,
dcheng9bfa5162016-04-09 01:00:57294 std::vector<std::unique_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57295 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55296 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57297 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14298 selected_navigation < static_cast<int>(entries->size()));
arthursonzogni5c4c202d2017-04-25 23:41:27299 DCHECK_EQ(-1, pending_entry_index_);
[email protected]ce3fa3c2009-04-20 19:55:57300
[email protected]ce3fa3c2009-04-20 19:55:57301 needs_reload_ = true;
avif16f85a72015-11-13 18:25:03302 entries_.reserve(entries->size());
303 for (auto& entry : *entries)
dcheng36b6aec92015-12-26 06:16:36304 entries_.push_back(
305 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
avif16f85a72015-11-13 18:25:03306
307 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
308 // cleared out safely.
309 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57310
311 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36312 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57313}
314
toyoshim6142d96f2016-12-19 09:07:25315void NavigationControllerImpl::Reload(ReloadType reload_type,
316 bool check_for_repost) {
liaoyuke9168fba2017-03-10 19:20:28317 DCHECK_NE(ReloadType::NONE, reload_type);
318
[email protected]669e0ba2012-08-30 23:57:36319 if (transient_entry_index_ != -1) {
320 // If an interstitial is showing, treat a reload as a navigation to the
321 // transient entry's URL.
creis3da03872015-02-20 21:12:32322 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27323 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36324 return;
[email protected]6286a3792013-10-09 04:03:27325 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21326 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35327 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27328 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47329 return;
[email protected]669e0ba2012-08-30 23:57:36330 }
[email protected]cbab76d2008-10-13 22:42:47331
[email protected]59167c22013-06-03 18:07:32332 NavigationEntryImpl* entry = NULL;
333 int current_index = -1;
334
335 // If we are reloading the initial navigation, just use the current
336 // pending entry. Otherwise look up the current entry.
337 if (IsInitialNavigation() && pending_entry_) {
338 entry = pending_entry_;
339 // The pending entry might be in entries_ (e.g., after a Clone), so we
340 // should also update the current_index.
341 current_index = pending_entry_index_;
342 } else {
343 DiscardNonCommittedEntriesInternal();
344 current_index = GetCurrentEntryIndex();
345 if (current_index != -1) {
creis3da03872015-02-20 21:12:32346 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32347 }
[email protected]979a4bc2013-04-24 01:27:15348 }
[email protected]241db352013-04-22 18:04:05349
[email protected]59167c22013-06-03 18:07:32350 // If we are no where, then we can't reload. TODO(darin): We should add a
351 // CanReload method.
352 if (!entry)
353 return;
354
toyoshima63c2a62016-09-29 09:03:26355 // Check if previous navigation was a reload to track consecutive reload
356 // operations.
357 if (last_committed_reload_type_ != ReloadType::NONE) {
358 DCHECK(!last_committed_reload_time_.is_null());
359 base::Time now =
360 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
361 DCHECK_GT(now, last_committed_reload_time_);
362 if (!last_committed_reload_time_.is_null() &&
363 now > last_committed_reload_time_) {
364 base::TimeDelta delta = now - last_committed_reload_time_;
365 UMA_HISTOGRAM_MEDIUM_TIMES("Navigation.Reload.ReloadToReloadDuration",
366 delta);
toyoshimb0d4eed32016-12-09 06:03:04367 if (last_committed_reload_type_ == ReloadType::NORMAL) {
toyoshima63c2a62016-09-29 09:03:26368 UMA_HISTOGRAM_MEDIUM_TIMES(
369 "Navigation.Reload.ReloadMainResourceToReloadDuration", delta);
370 }
371 }
372 }
373
374 // Set ReloadType for |entry| in order to check it at commit time.
375 entry->set_reload_type(reload_type);
376
[email protected]cdcb1dee2012-01-04 00:46:20377 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32378 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30379 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07380 // they really want to do this. If they do, the dialog will call us back
381 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57382 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02383
[email protected]106a0812010-03-18 00:15:12384 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57385 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29386 } else {
[email protected]59167c22013-06-03 18:07:32387 if (!IsInitialNavigation())
388 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26389
[email protected]bcd904482012-02-01 01:54:22390 // If we are reloading an entry that no longer belongs to the current
avif9a94c7e2016-10-14 15:54:11391 // SiteInstance (for example, refreshing a page for just installed app), the
392 // reload must happen in a new process. The new entry behaves as new
393 // navigation (which happens to clear forward history). Tabs that are
394 // discarded due to low memory conditions may not have a SiteInstance, and
395 // should not be treated as a cross-site reload.
[email protected]59167c22013-06-03 18:07:32396 SiteInstanceImpl* site_instance = entry->site_instance();
[email protected]fb4cc8e2013-12-17 17:56:21397 // Permit reloading guests without further checks.
paulmeyer1aeba7aa2015-06-16 18:25:10398 bool is_for_guests_only = site_instance && site_instance->HasProcess() &&
399 site_instance->GetProcess()->IsForGuestsOnly();
400 if (!is_for_guests_only && site_instance &&
[email protected]7e58cb272012-03-30 21:22:30401 site_instance->HasWrongProcessForURL(entry->GetURL())) {
[email protected]bcd904482012-02-01 01:54:22402 // Create a navigation entry that resembles the current one, but do not
avi0b7df5b2015-07-18 23:16:46403 // copy page id, site instance, content state, or timestamp.
[email protected]bcd904482012-02-01 01:54:22404 NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry(
405 CreateNavigationEntry(
406 entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(),
avi25764702015-06-23 15:43:37407 false, entry->extra_headers(), browser_context_).release());
[email protected]c3b3d952012-01-31 12:52:26408
[email protected]11535962012-02-09 21:02:10409 // Mark the reload type as NO_RELOAD, so navigation will not be considered
410 // a reload in the renderer.
toyoshim0df1d3a2016-09-09 09:52:48411 reload_type = ReloadType::NONE;
[email protected]11535962012-02-09 21:02:10412
[email protected]e2caa032012-11-15 23:29:18413 nav_entry->set_should_replace_entry(true);
[email protected]bcd904482012-02-01 01:54:22414 pending_entry_ = nav_entry;
avi0b7df5b2015-07-18 23:16:46415 DCHECK_EQ(-1, pending_entry_index_);
[email protected]bcd904482012-02-01 01:54:22416 } else {
[email protected]59167c22013-06-03 18:07:32417 pending_entry_ = entry;
[email protected]bcd904482012-02-01 01:54:22418 pending_entry_index_ = current_index;
419
Sylvain Defresnec6ccc77d2014-09-19 10:19:35420 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22421 }
422
[email protected]1ccb3568d2010-02-19 10:51:16423 NavigateToPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29424 }
425}
426
[email protected]d202a7c2012-01-04 07:53:47427void NavigationControllerImpl::CancelPendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48428 DCHECK(pending_reload_ != ReloadType::NONE);
429 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12430}
431
[email protected]d202a7c2012-01-04 07:53:47432void NavigationControllerImpl::ContinuePendingReload() {
toyoshim0df1d3a2016-09-09 09:52:48433 if (pending_reload_ == ReloadType::NONE) {
[email protected]106a0812010-03-18 00:15:12434 NOTREACHED();
435 } else {
toyoshim6142d96f2016-12-19 09:07:25436 Reload(pending_reload_, false);
toyoshim0df1d3a2016-09-09 09:52:48437 pending_reload_ = ReloadType::NONE;
[email protected]106a0812010-03-18 00:15:12438 }
439}
440
[email protected]cd2e15742013-03-08 04:08:31441bool NavigationControllerImpl::IsInitialNavigation() const {
[email protected]27ba81c2012-08-21 17:04:09442 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11443}
444
creis10a4ab72015-10-13 17:22:40445bool NavigationControllerImpl::IsInitialBlankNavigation() const {
446 // TODO(creis): Once we create a NavigationEntry for the initial blank page,
toyoshim0df1d3a2016-09-09 09:52:48447 // we'll need to check for entry count 1 and restore_type NONE (to exclude
448 // the cloned tab case).
creis10a4ab72015-10-13 17:22:40449 return IsInitialNavigation() && GetEntryCount() == 0;
450}
451
avi254eff02015-07-01 08:27:58452NavigationEntryImpl*
453NavigationControllerImpl::GetEntryWithUniqueID(int nav_entry_id) const {
454 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03455 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58456}
457
avi25764702015-06-23 15:43:37458void NavigationControllerImpl::LoadEntry(
dcheng9bfa5162016-04-09 01:00:57459 std::unique_ptr<NavigationEntryImpl> entry) {
ananta3bdd8ae2016-12-22 17:11:55460 // Remember the last pending entry for which we haven't received a response
461 // yet. This will be deleted in the NavigateToPendingEntry() function.
arthursonzogni5c4c202d2017-04-25 23:41:27462 DCHECK_EQ(nullptr, last_pending_entry_);
463 DCHECK_EQ(-1, last_pending_entry_index_);
ananta3bdd8ae2016-12-22 17:11:55464 last_pending_entry_ = pending_entry_;
465 last_pending_entry_index_ = pending_entry_index_;
466 last_transient_entry_index_ = transient_entry_index_;
arthursonzogni5c4c202d2017-04-25 23:41:27467
ananta3bdd8ae2016-12-22 17:11:55468 pending_entry_ = nullptr;
arthursonzogni5c4c202d2017-04-25 23:41:27469 pending_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:20470 // When navigating to a new page, we don't know for sure if we will actually
471 // end up leaving the current page. The new page load could for example
472 // result in a download or a 'no content' response (e.g., a mailto: URL).
dcheng36b6aec92015-12-26 06:16:36473 SetPendingEntry(std::move(entry));
toyoshim0df1d3a2016-09-09 09:52:48474 NavigateToPendingEntry(ReloadType::NONE);
[email protected]59167c22013-06-03 18:07:32475}
476
avi25764702015-06-23 15:43:37477void NavigationControllerImpl::SetPendingEntry(
dcheng9bfa5162016-04-09 01:00:57478 std::unique_ptr<NavigationEntryImpl> entry) {
[email protected]cbab76d2008-10-13 22:42:47479 DiscardNonCommittedEntriesInternal();
avi25764702015-06-23 15:43:37480 pending_entry_ = entry.release();
arthursonzogni5c4c202d2017-04-25 23:41:27481 DCHECK_EQ(-1, pending_entry_index_);
[email protected]8ff00d72012-10-23 19:12:21482 NotificationService::current()->Notify(
483 NOTIFICATION_NAV_ENTRY_PENDING,
484 Source<NavigationController>(this),
avi25764702015-06-23 15:43:37485 Details<NavigationEntry>(pending_entry_));
[email protected]765b35502008-08-21 00:51:20486}
487
creis3da03872015-02-20 21:12:32488NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() const {
[email protected]cbab76d2008-10-13 22:42:47489 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03490 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:47491 if (pending_entry_)
492 return pending_entry_;
493 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20494}
495
creis3da03872015-02-20 21:12:32496NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() const {
[email protected]867e1f92011-08-30 19:01:19497 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03498 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32499 // The pending entry is safe to return for new (non-history), browser-
500 // initiated navigations. Most renderer-initiated navigations should not
501 // show the pending entry, to prevent URL spoof attacks.
502 //
503 // We make an exception for renderer-initiated navigations in new tabs, as
504 // long as no other page has tried to access the initial empty document in
505 // the new tab. If another page modifies this blank page, a URL spoof is
506 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32507 bool safe_to_show_pending =
508 pending_entry_ &&
509 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09510 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32511 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46512 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32513
514 // Also allow showing the pending entry for history navigations in a new tab,
515 // such as Ctrl+Back. In this case, no existing page is visible and no one
516 // can script the new tab before it commits.
517 if (!safe_to_show_pending &&
518 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09519 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32520 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34521 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32522 safe_to_show_pending = true;
523
524 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19525 return pending_entry_;
526 return GetLastCommittedEntry();
527}
528
[email protected]d202a7c2012-01-04 07:53:47529int NavigationControllerImpl::GetCurrentEntryIndex() const {
[email protected]cbab76d2008-10-13 22:42:47530 if (transient_entry_index_ != -1)
531 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20532 if (pending_entry_index_ != -1)
533 return pending_entry_index_;
534 return last_committed_entry_index_;
535}
536
creis3da03872015-02-20 21:12:32537NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() const {
[email protected]765b35502008-08-21 00:51:20538 if (last_committed_entry_index_ == -1)
539 return NULL;
avif16f85a72015-11-13 18:25:03540 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20541}
542
[email protected]d202a7c2012-01-04 07:53:47543bool NavigationControllerImpl::CanViewSource() const {
[email protected]ec6c05f2013-10-23 18:41:57544 const std::string& mime_type = delegate_->GetContentsMimeType();
Kinuko Yasuda74702f92017-07-31 03:27:53545 bool is_viewable_mime_type = blink::IsSupportedNonImageMimeType(mime_type) &&
546 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27547 NavigationEntry* visible_entry = GetVisibleEntry();
548 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57549 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16550}
551
[email protected]d202a7c2012-01-04 07:53:47552int NavigationControllerImpl::GetLastCommittedEntryIndex() const {
arthursonzogni5c4c202d2017-04-25 23:41:27553 // The last committed entry index must always be less than the number of
554 // entries. If there are no entries, it must be -1. However, there may be a
555 // transient entry while the last committed entry index is still -1.
556 DCHECK_LT(last_committed_entry_index_, GetEntryCount());
557 DCHECK(GetEntryCount() || last_committed_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:55558 return last_committed_entry_index_;
559}
560
[email protected]d202a7c2012-01-04 07:53:47561int NavigationControllerImpl::GetEntryCount() const {
arthursonzogni5c4c202d2017-04-25 23:41:27562 DCHECK_LE(entries_.size(), max_entry_count());
[email protected]a26023822011-12-29 00:23:55563 return static_cast<int>(entries_.size());
564}
565
creis3da03872015-02-20 21:12:32566NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(
[email protected]022af742011-12-28 18:37:25567 int index) const {
avi25764702015-06-23 15:43:37568 if (index < 0 || index >= GetEntryCount())
569 return nullptr;
570
avif16f85a72015-11-13 18:25:03571 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25572}
573
creis3da03872015-02-20 21:12:32574NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(
[email protected]022af742011-12-28 18:37:25575 int offset) const {
avi057ce1492015-06-29 15:59:47576 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20577}
578
[email protected]9ba14052012-06-22 23:50:03579int NavigationControllerImpl::GetIndexForOffset(int offset) const {
[email protected]7bc2b032012-12-19 22:45:46580 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03581}
582
[email protected]9677a3c2012-12-22 04:18:58583void NavigationControllerImpl::TakeScreenshot() {
[email protected]1a3f5312013-04-26 21:00:10584 screenshot_manager_->TakeScreenshot();
[email protected]9677a3c2012-12-22 04:18:58585}
586
[email protected]1a3f5312013-04-26 21:00:10587void NavigationControllerImpl::SetScreenshotManager(
dcheng9bfa5162016-04-09 01:00:57588 std::unique_ptr<NavigationEntryScreenshotManager> manager) {
avi67081d0ae2015-07-27 18:25:46589 if (manager.get())
dcheng36b6aec92015-12-26 06:16:36590 screenshot_manager_ = std::move(manager);
avi67081d0ae2015-07-27 18:25:46591 else
592 screenshot_manager_.reset(new NavigationEntryScreenshotManager(this));
[email protected]9677a3c2012-12-22 04:18:58593}
594
[email protected]d202a7c2012-01-04 07:53:47595bool NavigationControllerImpl::CanGoBack() const {
avi56e40c92015-08-27 00:11:22596 return CanGoToOffset(-1);
[email protected]765b35502008-08-21 00:51:20597}
598
[email protected]d202a7c2012-01-04 07:53:47599bool NavigationControllerImpl::CanGoForward() const {
avi56e40c92015-08-27 00:11:22600 return CanGoToOffset(1);
[email protected]765b35502008-08-21 00:51:20601}
602
[email protected]9ba14052012-06-22 23:50:03603bool NavigationControllerImpl::CanGoToOffset(int offset) const {
604 int index = GetIndexForOffset(offset);
605 return index >= 0 && index < GetEntryCount();
606}
607
[email protected]d202a7c2012-01-04 07:53:47608void NavigationControllerImpl::GoBack() {
toyoshim3af4d502016-03-30 12:38:12609 // Call GoToIndex rather than GoToOffset to get the NOTREACHED() check.
610 GoToIndex(GetIndexForOffset(-1));
[email protected]765b35502008-08-21 00:51:20611}
612
[email protected]d202a7c2012-01-04 07:53:47613void NavigationControllerImpl::GoForward() {
toyoshim3af4d502016-03-30 12:38:12614 // Call GoToIndex rather than GoToOffset to get the NOTREACHED() check.
615 GoToIndex(GetIndexForOffset(1));
[email protected]765b35502008-08-21 00:51:20616}
617
[email protected]d202a7c2012-01-04 07:53:47618void NavigationControllerImpl::GoToIndex(int index) {
sunjian30574a62017-03-21 21:39:44619 TRACE_EVENT0("browser,navigation,benchmark",
620 "NavigationControllerImpl::GoToIndex");
[email protected]765b35502008-08-21 00:51:20621 if (index < 0 || index >= static_cast<int>(entries_.size())) {
622 NOTREACHED();
623 return;
624 }
625
[email protected]cbab76d2008-10-13 22:42:47626 if (transient_entry_index_ != -1) {
627 if (index == transient_entry_index_) {
628 // Nothing to do when navigating to the transient.
629 return;
630 }
631 if (index > transient_entry_index_) {
632 // Removing the transient is goint to shift all entries by 1.
633 index--;
634 }
635 }
636
637 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20638
arthursonzogni5c4c202d2017-04-25 23:41:27639 DCHECK_EQ(nullptr, pending_entry_);
640 DCHECK_EQ(-1, pending_entry_index_);
641 pending_entry_ = entries_[index].get();
[email protected]765b35502008-08-21 00:51:20642 pending_entry_index_ = index;
arthursonzogni5c4c202d2017-04-25 23:41:27643 pending_entry_->SetTransitionType(ui::PageTransitionFromInt(
644 pending_entry_->GetTransitionType() | ui::PAGE_TRANSITION_FORWARD_BACK));
toyoshim0df1d3a2016-09-09 09:52:48645 NavigateToPendingEntry(ReloadType::NONE);
[email protected]765b35502008-08-21 00:51:20646}
647
[email protected]d202a7c2012-01-04 07:53:47648void NavigationControllerImpl::GoToOffset(int offset) {
toyoshim3af4d502016-03-30 12:38:12649 // Note: This is actually reached in unit tests.
[email protected]9ba14052012-06-22 23:50:03650 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20651 return;
652
[email protected]9ba14052012-06-22 23:50:03653 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20654}
655
[email protected]41374f12013-07-24 02:49:28656bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
657 if (index == last_committed_entry_index_ ||
658 index == pending_entry_index_)
659 return false;
[email protected]6a13a6c2011-12-20 21:47:12660
[email protected]43032342011-03-21 14:10:31661 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28662 return true;
[email protected]cbab76d2008-10-13 22:42:47663}
664
[email protected]d202a7c2012-01-04 07:53:47665void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23666 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32667 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31668 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51669 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
670 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32671 }
672}
673
[email protected]d202a7c2012-01-04 07:53:47674void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47675 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21676 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35677 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47678 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47679 LoadURLParams params(url);
680 params.referrer = referrer;
681 params.transition_type = transition;
682 params.extra_headers = extra_headers;
683 LoadURLWithParams(params);
684}
685
686void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43687 TRACE_EVENT1("browser,navigation",
688 "NavigationControllerImpl::LoadURLWithParams",
689 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43690 if (HandleDebugURL(params.url, params.transition_type)) {
691 // If Telemetry is running, allow the URL load to proceed as if it's
692 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49693 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43694 cc::switches::kEnableGpuBenchmarking))
695 return;
696 }
[email protected]8bf1048012012-02-08 01:22:18697
[email protected]cf002332012-08-14 19:17:47698 // Checks based on params.load_type.
699 switch (params.load_type) {
700 case LOAD_TYPE_DEFAULT:
lukasza477a5a22016-06-16 18:28:43701 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:47702 break;
703 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26704 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47705 NOTREACHED() << "Data load must use data scheme.";
706 return;
707 }
708 break;
709 default:
710 NOTREACHED();
711 break;
712 };
[email protected]e47ae9472011-10-13 19:48:34713
[email protected]e47ae9472011-10-13 19:48:34714 // The user initiated a load, we don't need to reload anymore.
715 needs_reload_ = false;
716
[email protected]cf002332012-08-14 19:17:47717 bool override = false;
718 switch (params.override_user_agent) {
719 case UA_OVERRIDE_INHERIT:
720 override = ShouldKeepOverride(GetLastCommittedEntry());
721 break;
722 case UA_OVERRIDE_TRUE:
723 override = true;
724 break;
725 case UA_OVERRIDE_FALSE:
726 override = false;
727 break;
728 default:
729 NOTREACHED();
730 break;
[email protected]d1ef81d2012-07-24 11:39:36731 }
732
dcheng9bfa5162016-04-09 01:00:57733 std::unique_ptr<NavigationEntryImpl> entry;
creis4e2ecb72015-06-20 00:46:30734
735 // For subframes, create a pending entry with a corresponding frame entry.
736 int frame_tree_node_id = params.frame_tree_node_id;
737 if (frame_tree_node_id != -1 || !params.frame_name.empty()) {
738 FrameTreeNode* node =
739 params.frame_tree_node_id != -1
740 ? delegate_->GetFrameTree()->FindByID(params.frame_tree_node_id)
741 : delegate_->GetFrameTree()->FindByName(params.frame_name);
742 if (node && !node->IsMainFrame()) {
743 DCHECK(GetLastCommittedEntry());
744
745 // Update the FTN ID to use below in case we found a named frame.
746 frame_tree_node_id = node->frame_tree_node_id();
747
creisce0ef3572017-01-26 17:53:08748 // Create an identical NavigationEntry with a new FrameNavigationEntry for
749 // the target subframe.
750 entry = GetLastCommittedEntry()->Clone();
751 entry->AddOrUpdateFrameEntry(
752 node, -1, -1, nullptr,
753 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()),
754 params.url, params.referrer, params.redirect_chain, PageState(),
755 "GET", -1);
creis4e2ecb72015-06-20 00:46:30756 }
creis6a93a812015-04-24 23:13:17757 }
creis4e2ecb72015-06-20 00:46:30758
759 // Otherwise, create a pending entry for the main frame.
760 if (!entry) {
761 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
762 params.url, params.referrer, params.transition_type,
763 params.is_renderer_initiated, params.extra_headers, browser_context_));
naskoc7533512016-05-06 17:01:12764 entry->set_source_site_instance(
765 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
arthursonzognie6b67c20b2016-10-04 09:46:04766 entry->SetRedirectChain(params.redirect_chain);
creis4e2ecb72015-06-20 00:46:30767 }
naskoc7533512016-05-06 17:01:12768
creis4e2ecb72015-06-20 00:46:30769 // Set the FTN ID (only used in non-site-per-process, for tests).
770 entry->set_frame_tree_node_id(frame_tree_node_id);
avib6cc1562015-02-12 19:56:39771 // Don't allow an entry replacement if there is no entry to replace.
772 // http://crbug.com/457149
773 if (params.should_replace_current_entry && entries_.size() > 0)
[email protected]e2caa032012-11-15 23:29:18774 entry->set_should_replace_entry(true);
[email protected]60d6cca2013-04-30 08:47:13775 entry->set_should_clear_history_list(params.should_clear_history_list);
[email protected]cf002332012-08-14 19:17:47776 entry->SetIsOverridingUserAgent(override);
777 entry->set_transferred_global_request_id(
778 params.transferred_global_request_id);
[email protected]d1ef81d2012-07-24 11:39:36779
clamy8451aa62015-01-23 16:56:08780#if defined(OS_ANDROID)
781 if (params.intent_received_timestamp > 0) {
782 entry->set_intent_received_timestamp(
783 base::TimeTicks() +
784 base::TimeDelta::FromMilliseconds(params.intent_received_timestamp));
785 }
qinmin976d4d92015-08-07 18:32:39786 entry->set_has_user_gesture(params.has_user_gesture);
clamy8451aa62015-01-23 16:56:08787#endif
788
[email protected]cf002332012-08-14 19:17:47789 switch (params.load_type) {
790 case LOAD_TYPE_DEFAULT:
791 break;
lukasza477a5a22016-06-16 18:28:43792 case LOAD_TYPE_HTTP_POST:
[email protected]cf002332012-08-14 19:17:47793 entry->SetHasPostData(true);
lukasza477a5a22016-06-16 18:28:43794 entry->SetPostData(params.post_data);
[email protected]cf002332012-08-14 19:17:47795 break;
796 case LOAD_TYPE_DATA:
797 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
798 entry->SetVirtualURL(params.virtual_url_for_data_url);
mnaganovbf087422015-12-16 05:10:03799#if defined(OS_ANDROID)
800 entry->SetDataURLAsString(params.data_url_as_string);
801#endif
[email protected]951a64832012-10-11 16:26:37802 entry->SetCanLoadLocalResources(params.can_load_local_resources);
[email protected]cf002332012-08-14 19:17:47803 break;
804 default:
805 NOTREACHED();
806 break;
807 };
[email protected]132e281a2012-07-31 18:32:44808
djacobo825aa6a82016-09-29 22:47:19809 entry->set_started_from_context_menu(params.started_from_context_menu);
dcheng36b6aec92015-12-26 06:16:36810 LoadEntry(std::move(entry));
[email protected]132e281a2012-07-31 18:32:44811}
812
creisb4dc9332016-03-14 21:39:19813bool NavigationControllerImpl::PendingEntryMatchesHandle(
814 NavigationHandleImpl* handle) const {
815 return pending_entry_ &&
816 pending_entry_->GetUniqueID() == handle->pending_nav_entry_id();
817}
818
[email protected]d202a7c2012-01-04 07:53:47819bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32820 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22821 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
peary21b0f797b2016-09-28 17:28:33822 LoadCommittedDetails* details,
clamy3bf35e3c2016-11-10 15:59:44823 bool is_navigation_within_page,
824 NavigationHandleImpl* navigation_handle) {
[email protected]cd2e15742013-03-08 04:08:31825 is_initial_navigation_ = false;
826
[email protected]0e8db942008-09-24 21:21:48827 // Save the previous state before we clobber it.
aelias100c9192017-01-13 00:01:43828 bool overriding_user_agent_changed = false;
[email protected]0e8db942008-09-24 21:21:48829 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51830 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55831 details->previous_entry_index = GetLastCommittedEntryIndex();
aelias100c9192017-01-13 00:01:43832 if (pending_entry_ &&
833 pending_entry_->GetIsOverridingUserAgent() !=
834 GetLastCommittedEntry()->GetIsOverridingUserAgent())
835 overriding_user_agent_changed = true;
[email protected]0e8db942008-09-24 21:21:48836 } else {
837 details->previous_url = GURL();
838 details->previous_entry_index = -1;
839 }
[email protected]ecd9d8702008-08-28 22:10:17840
fdegans9caf66a2015-07-30 21:10:42841 // If there is a pending entry at this point, it should have a SiteInstance,
842 // except for restored entries.
jam48cea9082017-02-15 06:13:29843 bool was_restored = false;
toyoshim0df1d3a2016-09-09 09:52:48844 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance() ||
845 pending_entry_->restore_type() != RestoreType::NONE);
846 if (pending_entry_ && pending_entry_->restore_type() != RestoreType::NONE) {
847 pending_entry_->set_restore_type(RestoreType::NONE);
jam48cea9082017-02-15 06:13:29848 was_restored = true;
toyoshim0df1d3a2016-09-09 09:52:48849 }
[email protected]e9ba4472008-09-14 15:42:43850
creis865ad442016-03-15 16:43:09851 // The renderer tells us whether the navigation replaces the current entry.
852 details->did_replace_entry = params.should_replace_current_entry;
[email protected]bcd904482012-02-01 01:54:22853
[email protected]e9ba4472008-09-14 15:42:43854 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:43855 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:20856
eugenebutee08663a2017-04-27 17:43:12857 // is_same_document must be computed before the entry gets committed.
858 details->is_same_document = is_navigation_within_page;
[email protected]b9d4dfdc2013-08-08 00:25:12859
toyoshima63c2a62016-09-29 09:03:26860 // Save reload type and timestamp for a reload navigation to detect
861 // consecutive reloads when the next reload is requested.
clamy3bf35e3c2016-11-10 15:59:44862 if (PendingEntryMatchesHandle(navigation_handle)) {
toyoshima63c2a62016-09-29 09:03:26863 if (pending_entry_->reload_type() != ReloadType::NONE) {
864 last_committed_reload_type_ = pending_entry_->reload_type();
865 last_committed_reload_time_ =
866 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
867 } else if (!pending_entry_->is_renderer_initiated() ||
868 params.gesture == NavigationGestureUser) {
869 last_committed_reload_type_ = ReloadType::NONE;
870 last_committed_reload_time_ = base::Time();
871 }
872 }
873
[email protected]0e8db942008-09-24 21:21:48874 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:21875 case NAVIGATION_TYPE_NEW_PAGE:
eugenebutee08663a2017-04-27 17:43:12876 RendererDidNavigateToNewPage(rfh, params, details->is_same_document,
clamy3bf35e3c2016-11-10 15:59:44877 details->did_replace_entry,
878 navigation_handle);
[email protected]e9ba4472008-09-14 15:42:43879 break;
[email protected]8ff00d72012-10-23 19:12:21880 case NAVIGATION_TYPE_EXISTING_PAGE:
eugenebutee08663a2017-04-27 17:43:12881 details->did_replace_entry = details->is_same_document;
882 RendererDidNavigateToExistingPage(rfh, params, details->is_same_document,
jam48cea9082017-02-15 06:13:29883 was_restored, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:43884 break;
[email protected]8ff00d72012-10-23 19:12:21885 case NAVIGATION_TYPE_SAME_PAGE:
clamy3bf35e3c2016-11-10 15:59:44886 RendererDidNavigateToSamePage(rfh, params, navigation_handle);
[email protected]e9ba4472008-09-14 15:42:43887 break;
[email protected]8ff00d72012-10-23 19:12:21888 case NAVIGATION_TYPE_NEW_SUBFRAME:
eugenebutee08663a2017-04-27 17:43:12889 RendererDidNavigateNewSubframe(rfh, params, details->is_same_document,
creisf49dfc92016-07-26 17:05:18890 details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43891 break;
[email protected]8ff00d72012-10-23 19:12:21892 case NAVIGATION_TYPE_AUTO_SUBFRAME:
creis59d5a47cb2016-08-24 23:57:19893 if (!RendererDidNavigateAutoSubframe(rfh, params)) {
creisce0ef3572017-01-26 17:53:08894 // We don't send a notification about auto-subframe PageState during
895 // UpdateStateForFrame, since it looks like nothing has changed. Send
896 // it here at commit time instead.
897 NotifyEntryChanged(GetLastCommittedEntry());
[email protected]e9ba4472008-09-14 15:42:43898 return false;
creis59d5a47cb2016-08-24 23:57:19899 }
[email protected]e9ba4472008-09-14 15:42:43900 break;
[email protected]8ff00d72012-10-23 19:12:21901 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:49902 // If a pending navigation was in progress, this canceled it. We should
903 // discard it and make sure it is removed from the URL bar. After that,
904 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:43905 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:49906 if (pending_entry_) {
907 DiscardNonCommittedEntries();
pdr15f5b5b2017-06-20 00:58:00908 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:49909 }
[email protected]e9ba4472008-09-14 15:42:43910 return false;
911 default:
912 NOTREACHED();
[email protected]765b35502008-08-21 00:51:20913 }
914
[email protected]688aa65c62012-09-28 04:32:22915 // At this point, we know that the navigation has just completed, so
916 // record the time.
917 //
918 // TODO(akalin): Use "sane time" as described in
919 // http://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:33920 base::Time timestamp =
921 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
922 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:22923 << timestamp.ToInternalValue();
924
[email protected]f233e4232013-02-23 00:55:14925 // We should not have a pending entry anymore. Clear it again in case any
926 // error cases above forgot to do so.
927 DiscardNonCommittedEntriesInternal();
928
[email protected]e9ba4472008-09-14 15:42:43929 // All committed entries should have nonempty content state so WebKit doesn't
930 // get confused when we go back to them (see the function for details).
creis0cade2e2017-02-28 06:37:47931 DCHECK(params.page_state.IsValid()) << "Shouldn't see an empty PageState.";
creis3da03872015-02-20 21:12:32932 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:22933 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:44934 active_entry->SetHttpStatusCode(params.http_status_code);
naskoc7533512016-05-06 17:01:12935
936 FrameNavigationEntry* frame_entry =
937 active_entry->GetFrameEntry(rfh->frame_tree_node());
creisce0ef3572017-01-26 17:53:08938 // Update the frame-specific PageState and RedirectChain
939 // We may not find a frame_entry in some cases; ignore the PageState if so.
940 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
941 if (frame_entry) {
942 frame_entry->SetPageState(params.page_state);
943 frame_entry->set_redirect_chain(params.redirects);
creis4e2ecb72015-06-20 00:46:30944 }
[email protected]132e281a2012-07-31 18:32:44945
nasko5ff4eea2017-05-25 02:51:00946 // When a navigation in the main frame is blocked, it will display an error
947 // page. To avoid loading the blocked URL on back/forward navigations,
948 // do not store it in the FrameNavigationEntry's URL or PageState. Instead,
949 // make it visible to the user as the virtual URL. Store a safe URL
950 // (about:blank) as the one to load if the entry is revisited.
951 // TODO(nasko): Consider supporting similar behavior for subframe
952 // navigations, including AUTO_SUBFRAME.
953 if (!rfh->GetParent() &&
954 IsBlockedNavigation(navigation_handle->GetNetErrorCode())) {
955 DCHECK(params.url_is_unreachable);
956 active_entry->SetURL(GURL(url::kAboutBlankURL));
957 active_entry->SetVirtualURL(params.url);
958 if (frame_entry) {
959 frame_entry->SetPageState(
960 PageState::CreateFromURL(active_entry->GetURL()));
961 }
962 }
963
[email protected]d6def3d2014-05-19 18:55:32964 // Use histogram to track memory impact of redirect chain because it's now
965 // not cleared for committed entries.
966 size_t redirect_chain_size = 0;
967 for (size_t i = 0; i < params.redirects.size(); ++i) {
968 redirect_chain_size += params.redirects[i].spec().length();
969 }
970 UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size);
971
[email protected]97d8f0d2013-10-29 16:49:21972 // Once it is committed, we no longer need to track several pieces of state on
973 // the entry.
naskoc7533512016-05-06 17:01:12974 active_entry->ResetForCommit(frame_entry);
[email protected]60d6cca2013-04-30 08:47:13975
[email protected]49bd30e62011-03-22 20:12:59976 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:22977 // TODO(creis): This check won't pass for subframes until we create entries
978 // for subframe navigations.
avi39c1edd32015-06-04 20:06:00979 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:42980 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:59981
[email protected]b26de072013-02-23 02:33:44982 // Remember the bindings the renderer process has at this point, so that
983 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:32984 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:44985
[email protected]e9ba4472008-09-14 15:42:43986 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:00987 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:00988 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:31989 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:53990
[email protected]93f230e02011-06-01 14:40:00991 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:29992
John Abd-El-Malek969cdd94e2017-07-10 22:18:16993 if (active_entry->GetURL().SchemeIs(url::kHttpsScheme)) {
994 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus",
995 !!active_entry->GetSSL().certificate);
996 }
997
aelias100c9192017-01-13 00:01:43998 if (overriding_user_agent_changed)
999 delegate_->UpdateOverridingUserAgent();
1000
creis03b48002015-11-04 00:54:561001 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
1002 // one knows the latest NavigationEntry it is showing (whether it has
1003 // committed anything in this navigation or not). This allows things like
1004 // state and title updates from RenderFrames to apply to the latest relevant
1005 // NavigationEntry.
dcheng57e39e22016-01-21 00:25:381006 int nav_entry_id = active_entry->GetUniqueID();
1007 for (FrameTreeNode* node : delegate_->GetFrameTree()->Nodes())
1008 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
[email protected]e9ba4472008-09-14 15:42:431009 return true;
initial.commit09911bf2008-07-26 23:55:291010}
1011
[email protected]8ff00d72012-10-23 19:12:211012NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:321013 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221014 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const {
avi7c6f35e2015-05-08 17:52:381015 if (params.did_create_new_entry) {
1016 // A new entry. We may or may not have a pending entry for the page, and
1017 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:001018 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381019 return NAVIGATION_TYPE_NEW_PAGE;
1020 }
1021
1022 // When this is a new subframe navigation, we should have a committed page
1023 // in which it's a subframe. This may not be the case when an iframe is
1024 // navigated on a popup navigated to about:blank (the iframe would be
1025 // written into the popup by script on the main page). For these cases,
1026 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:231027 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:381028 return NAVIGATION_TYPE_NAV_IGNORE;
1029
1030 // Valid subframe navigation.
1031 return NAVIGATION_TYPE_NEW_SUBFRAME;
1032 }
1033
creis865ad442016-03-15 16:43:091034 // Cross-process location.replace navigations should be classified as New with
1035 // replacement rather than ExistingPage, since it is not safe to reuse the
1036 // NavigationEntry.
1037 // TODO(creis): Have the renderer classify location.replace as
1038 // did_create_new_entry for all cases and eliminate this special case. This
creis22a7b4c2016-04-28 07:20:301039 // requires updating several test expectations. See https://crbug.com/596707.
creis865ad442016-03-15 16:43:091040 if (!rfh->GetParent() && GetLastCommittedEntry() &&
1041 GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance() &&
1042 params.should_replace_current_entry) {
1043 return NAVIGATION_TYPE_NEW_PAGE;
1044 }
1045
avi7c6f35e2015-05-08 17:52:381046 // We only clear the session history when navigating to a new page.
1047 DCHECK(!params.history_list_was_cleared);
1048
avi39c1edd32015-06-04 20:06:001049 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381050 // All manual subframes would be did_create_new_entry and handled above, so
1051 // we know this is auto.
1052 if (GetLastCommittedEntry()) {
1053 return NAVIGATION_TYPE_AUTO_SUBFRAME;
1054 } else {
1055 // We ignore subframes created in non-committed pages; we'd appreciate if
1056 // people stopped doing that.
1057 return NAVIGATION_TYPE_NAV_IGNORE;
1058 }
1059 }
1060
1061 if (params.nav_entry_id == 0) {
1062 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1063 // create a new page.
1064
1065 // Just like above in the did_create_new_entry case, it's possible to
1066 // scribble onto an uncommitted page. Again, there isn't any navigation
1067 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231068 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231069 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381070 return NAVIGATION_TYPE_NAV_IGNORE;
1071
avi259dc792015-07-07 04:42:361072 // This is history.replaceState(), history.reload(), or a client-side
1073 // redirect.
1074 return NAVIGATION_TYPE_EXISTING_PAGE;
avi7c6f35e2015-05-08 17:52:381075 }
1076
1077 if (pending_entry_ && pending_entry_index_ == -1 &&
1078 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1079 // In this case, we have a pending entry for a load of a new URL but Blink
creis77c9aa32015-09-25 19:59:421080 // didn't do a new navigation (params.did_create_new_entry). First check to
1081 // make sure Blink didn't treat a new cross-process navigation as inert, and
1082 // thus set params.did_create_new_entry to false. In that case, we must
1083 // treat it as NEW since the SiteInstance doesn't match the entry.
creis08557a22016-09-07 22:00:081084 if (!GetLastCommittedEntry() ||
creis5eb00a5f2016-08-24 03:50:281085 GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance())
creis77c9aa32015-09-25 19:59:421086 return NAVIGATION_TYPE_NEW_PAGE;
1087
1088 // Otherwise, this happens when you press enter in the URL bar to reload. We
1089 // will create a pending entry, but Blink will convert it to a reload since
1090 // it's the same page and not create a new entry for it (the user doesn't
1091 // want to have a new back/forward entry when they do this). Therefore we
1092 // want to just ignore the pending entry and go back to where we were (the
1093 // "existing entry").
1094 // TODO(creis,avi): Eliminate SAME_PAGE in https://crbug.com/536102.
avi7c6f35e2015-05-08 17:52:381095 return NAVIGATION_TYPE_SAME_PAGE;
1096 }
1097
creis26d22632017-04-21 20:23:561098 // Everything below here is assumed to be an existing entry, but if there is
1099 // no last committed entry, we must consider it a new navigation instead.
1100 if (!GetLastCommittedEntry())
1101 return NAVIGATION_TYPE_NEW_PAGE;
1102
avi7c6f35e2015-05-08 17:52:381103 if (params.intended_as_new_entry) {
1104 // This was intended to be a navigation to a new entry but the pending entry
1105 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1106 // may not have a pending entry.
1107 return NAVIGATION_TYPE_EXISTING_PAGE;
1108 }
1109
1110 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1111 params.nav_entry_id == failed_pending_entry_id_) {
1112 // If the renderer was going to a new pending entry that got cleared because
1113 // of an error, this is the case of the user trying to retry a failed load
1114 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1115 // have a pending entry.
1116 return NAVIGATION_TYPE_EXISTING_PAGE;
1117 }
1118
1119 // Now we know that the notification is for an existing page. Find that entry.
1120 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1121 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441122 // The renderer has committed a navigation to an entry that no longer
1123 // exists. Because the renderer is showing that page, resurrect that entry.
1124 return NAVIGATION_TYPE_NEW_PAGE;
avi7c6f35e2015-05-08 17:52:381125 }
1126
avi7c6f35e2015-05-08 17:52:381127 // Since we weeded out "new" navigations above, we know this is an existing
1128 // (back/forward) navigation.
1129 return NAVIGATION_TYPE_EXISTING_PAGE;
1130}
1131
[email protected]d202a7c2012-01-04 07:53:471132void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321133 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221134 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361135 bool is_same_document,
clamy3bf35e3c2016-11-10 15:59:441136 bool replace_entry,
1137 NavigationHandleImpl* handle) {
dcheng9bfa5162016-04-09 01:00:571138 std::unique_ptr<NavigationEntryImpl> new_entry;
creisf49dfc92016-07-26 17:05:181139 bool update_virtual_url = false;
1140
1141 // First check if this is an in-page navigation. If so, clone the current
1142 // entry instead of looking at the pending entry, because the pending entry
1143 // does not have any subframe history items.
eugenebut604866f2017-05-10 21:35:361144 if (is_same_document && GetLastCommittedEntry()) {
creisf49dfc92016-07-26 17:05:181145 FrameNavigationEntry* frame_entry = new FrameNavigationEntry(
1146 params.frame_unique_name, params.item_sequence_number,
1147 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
1148 params.url, params.referrer, params.method, params.post_id);
1149 new_entry = GetLastCommittedEntry()->CloneAndReplace(
1150 frame_entry, true, rfh->frame_tree_node(),
1151 delegate_->GetFrameTree()->root());
jama78746e2017-02-22 17:21:571152 if (new_entry->GetURL().GetOrigin() != params.url.GetOrigin()) {
1153 // TODO(jam): we had one report of this with a URL that was redirecting to
1154 // only tildes. Until we understand that better, don't copy the cert in
1155 // this case.
1156 new_entry->GetSSL() = SSLStatus();
John Abd-El-Malek9cd697e2017-07-12 21:53:141157
1158 if (new_entry->GetURL().SchemeIs(url::kHttpsScheme)) {
1159 UMA_HISTOGRAM_BOOLEAN(
1160 "Navigation.SecureSchemeHasSSLStatus.NewPageInPageOriginMismatch",
1161 !!new_entry->GetSSL().certificate);
1162 }
jama78746e2017-02-22 17:21:571163 }
creisf49dfc92016-07-26 17:05:181164
1165 // We expect |frame_entry| to be owned by |new_entry|. This should never
1166 // fail, because it's the main frame.
1167 CHECK(frame_entry->HasOneRef());
1168
1169 update_virtual_url = new_entry->update_virtual_url_with_url();
John Abd-El-Malek9cd697e2017-07-12 21:53:141170
1171 if (new_entry->GetURL().SchemeIs(url::kHttpsScheme)) {
1172 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.NewPageInPage",
1173 !!new_entry->GetSSL().certificate);
1174 }
creisf49dfc92016-07-26 17:05:181175 }
1176
[email protected]6dd86ab2013-02-27 00:30:341177 // Only make a copy of the pending entry if it is appropriate for the new page
csharrison9a9142bc42016-03-01 17:24:041178 // that was just loaded. Verify this by checking if the entry corresponds
clamy3bf35e3c2016-11-10 15:59:441179 // to the given navigation handle. Additionally, coarsely check that:
csharrison9a9142bc42016-03-01 17:24:041180 // 1. The SiteInstance hasn't been assigned to something else.
1181 // 2. The pending entry was intended as a new entry, rather than being a
1182 // history navigation that was interrupted by an unrelated,
1183 // renderer-initiated navigation.
1184 // TODO(csharrison): Investigate whether we can remove some of the coarser
1185 // checks.
creisf49dfc92016-07-26 17:05:181186 if (!new_entry &&
1187 PendingEntryMatchesHandle(handle) && pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341188 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431189 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351190 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431191
[email protected]f1eb87a2011-05-06 17:49:411192 update_virtual_url = new_entry->update_virtual_url_with_url();
jamb981f482016-08-30 05:55:021193 new_entry->GetSSL() = handle->ssl_status();
John Abd-El-Malek9cd697e2017-07-12 21:53:141194
1195 if (new_entry->GetURL().SchemeIs(url::kHttpsScheme)) {
1196 UMA_HISTOGRAM_BOOLEAN(
1197 "Navigation.SecureSchemeHasSSLStatus.NewPagePendingEntryMatches",
1198 !!new_entry->GetSSL().certificate);
1199 }
creisf49dfc92016-07-26 17:05:181200 }
1201
1202 // For non-in-page commits with no matching pending entry, create a new entry.
1203 if (!new_entry) {
dcheng9bfa5162016-04-09 01:00:571204 new_entry = base::WrapUnique(new NavigationEntryImpl);
[email protected]f8f93eb2012-09-25 03:06:241205
1206 // Find out whether the new entry needs to update its virtual URL on URL
1207 // change and set up the entry accordingly. This is needed to correctly
1208 // update the virtual URL when replaceState is called after a pushState.
1209 GURL url = params.url;
1210 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431211 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1212 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241213 new_entry->set_update_virtual_url_with_url(needs_update);
1214
[email protected]f1eb87a2011-05-06 17:49:411215 // When navigating to a new page, give the browser URL handler a chance to
1216 // update the virtual URL based on the new URL. For example, this is needed
1217 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1218 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241219 update_virtual_url = needs_update;
jamb981f482016-08-30 05:55:021220 new_entry->GetSSL() = handle->ssl_status();
John Abd-El-Malek9cd697e2017-07-12 21:53:141221
1222 if (new_entry->GetURL().SchemeIs(url::kHttpsScheme)) {
1223 UMA_HISTOGRAM_BOOLEAN(
1224 "Navigation.SecureSchemeHasSSLStatus.NewPageNoMatchingEntry",
1225 !!new_entry->GetSSL().certificate);
1226 }
[email protected]e9ba4472008-09-14 15:42:431227 }
1228
wjmaclean7431bb22015-02-19 14:53:431229 // Don't use the page type from the pending entry. Some interstitial page
1230 // may have set the type to interstitial. Once we commit, however, the page
1231 // type must always be normal or error.
1232 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1233 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041234 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411235 if (update_virtual_url)
avi25764702015-06-23 15:43:371236 UpdateVirtualURLToURL(new_entry.get(), params.url);
[email protected]022af742011-12-28 18:37:251237 new_entry->SetReferrer(params.referrer);
[email protected]022af742011-12-28 18:37:251238 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331239 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431240 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]7c16976c2012-08-04 02:38:231241 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221242 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431243
creis8b5cd4c2015-06-19 00:11:081244 // Update the FrameNavigationEntry for new main frame commits.
1245 FrameNavigationEntry* frame_entry =
1246 new_entry->GetFrameEntry(rfh->frame_tree_node());
creis6d752c32015-11-10 01:59:431247 frame_entry->set_frame_unique_name(params.frame_unique_name);
creis8b5cd4c2015-06-19 00:11:081248 frame_entry->set_item_sequence_number(params.item_sequence_number);
1249 frame_entry->set_document_sequence_number(params.document_sequence_number);
clamy432acb22016-04-15 19:41:431250 frame_entry->set_method(params.method);
1251 frame_entry->set_post_id(params.post_id);
creis8b5cd4c2015-06-19 00:11:081252
eugenebut604866f2017-05-10 21:35:361253 // history.pushState() is classified as a navigation to a new page, but sets
1254 // is_same_document to true. In this case, we already have the title and
creisf49dfc92016-07-26 17:05:181255 // favicon available, so set them immediately.
eugenebut604866f2017-05-10 21:35:361256 if (is_same_document && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331257 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191258 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1259 }
[email protected]ff64b3e2014-05-31 04:07:331260
[email protected]60d6cca2013-04-30 08:47:131261 DCHECK(!params.history_list_was_cleared || !replace_entry);
1262 // The browser requested to clear the session history when it initiated the
1263 // navigation. Now we know that the renderer has updated its state accordingly
1264 // and it is safe to also clear the browser side history.
1265 if (params.history_list_was_cleared) {
1266 DiscardNonCommittedEntriesInternal();
1267 entries_.clear();
1268 last_committed_entry_index_ = -1;
1269 }
1270
dcheng36b6aec92015-12-26 06:16:361271 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431272}
1273
[email protected]d202a7c2012-01-04 07:53:471274void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321275 RenderFrameHostImpl* rfh,
jam0576b132016-09-07 05:13:101276 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361277 bool is_same_document,
jam48cea9082017-02-15 06:13:291278 bool was_restored,
clamy3bf35e3c2016-11-10 15:59:441279 NavigationHandleImpl* handle) {
creis26d22632017-04-21 20:23:561280 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1281 << "that a last committed entry exists.";
1282
[email protected]e9ba4472008-09-14 15:42:431283 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001284 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431285
naskoaf182192016-08-11 02:12:011286 // TODO(creis): Classify location.replace as NEW_PAGE instead of EXISTING_PAGE
1287 // in https://crbug.com/596707.
1288
avicbdc4c12015-07-01 16:07:111289 NavigationEntryImpl* entry;
1290 if (params.intended_as_new_entry) {
1291 // This was intended as a new entry but the pending entry was lost in the
1292 // meanwhile and no new page was created. We are stuck at the last committed
1293 // entry.
1294 entry = GetLastCommittedEntry();
eugenebut604866f2017-05-10 21:35:361295 // If this is a same document navigation, then there's no SSLStatus in the
jam1325c822017-03-17 18:20:541296 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361297 if (!is_same_document)
jam1325c822017-03-17 18:20:541298 entry->GetSSL() = handle->ssl_status();
John Abd-El-Malek9cd697e2017-07-12 21:53:141299
1300 if (entry->GetURL().SchemeIs(url::kHttpsScheme)) {
1301 bool has_cert = !!entry->GetSSL().certificate;
1302 if (is_same_document) {
1303 UMA_HISTOGRAM_BOOLEAN(
1304 "Navigation.SecureSchemeHasSSLStatus."
1305 "ExistingPageSameDocumentIntendedAsNew",
1306 has_cert);
1307 } else {
1308 UMA_HISTOGRAM_BOOLEAN(
1309 "Navigation.SecureSchemeHasSSLStatus."
1310 "ExistingPageDifferentDocumentIntendedAsNew",
1311 has_cert);
1312 }
1313 }
avicbdc4c12015-07-01 16:07:111314 } else if (params.nav_entry_id) {
1315 // This is a browser-initiated navigation (back/forward/reload).
1316 entry = GetEntryWithUniqueID(params.nav_entry_id);
jamd208b90ce2016-09-01 16:58:161317
eugenebut604866f2017-05-10 21:35:361318 if (is_same_document) {
1319 // There's no SSLStatus in the NavigationHandle for same document
1320 // navigations, so normally we leave |entry|'s SSLStatus as is. However if
1321 // this was a restored same document navigation entry, then it won't have
1322 // an SSLStatus. So we need to copy over the SSLStatus from the entry that
1323 // navigated it.
jam48cea9082017-02-15 06:13:291324 NavigationEntryImpl* last_entry = GetLastCommittedEntry();
1325 if (entry->GetURL().GetOrigin() == last_entry->GetURL().GetOrigin() &&
1326 last_entry->GetSSL().initialized && !entry->GetSSL().initialized &&
1327 was_restored) {
1328 entry->GetSSL() = last_entry->GetSSL();
1329 }
1330 } else {
1331 // When restoring a tab, the serialized NavigationEntry doesn't have the
1332 // SSL state.
John Abd-El-Malekdb06e65d2017-06-08 00:45:331333 // Only copy in the restore case since this code path can be taken during
1334 // navigation. See http://crbug.com/727892
1335 if (was_restored)
1336 entry->GetSSL() = handle->ssl_status();
jam48cea9082017-02-15 06:13:291337 }
John Abd-El-Malek9cd697e2017-07-12 21:53:141338
1339 if (entry->GetURL().SchemeIs(url::kHttpsScheme)) {
1340 bool has_cert = !!entry->GetSSL().certificate;
1341 if (is_same_document && was_restored) {
1342 UMA_HISTOGRAM_BOOLEAN(
1343 "Navigation.SecureSchemeHasSSLStatus."
1344 "ExistingPageSameDocumentRestoredBrowserInitiated",
1345 has_cert);
1346 } else if (is_same_document && !was_restored) {
1347 UMA_HISTOGRAM_BOOLEAN(
1348 "Navigation.SecureSchemeHasSSLStatus."
1349 "ExistingPageSameDocumentBrowserInitiated",
1350 has_cert);
1351 } else if (!is_same_document && was_restored) {
1352 UMA_HISTOGRAM_BOOLEAN(
1353 "Navigation.SecureSchemeHasSSLStatus."
1354 "ExistingPageRestoredBrowserInitiated",
1355 has_cert);
1356 } else {
1357 UMA_HISTOGRAM_BOOLEAN(
1358 "Navigation.SecureSchemeHasSSLStatus.ExistingPageBrowserInitiated",
1359 has_cert);
1360 }
1361 }
avicbdc4c12015-07-01 16:07:111362 } else {
1363 // This is renderer-initiated. The only kinds of renderer-initated
1364 // navigations that are EXISTING_PAGE are reloads and location.replace,
1365 // which land us at the last committed entry.
1366 entry = GetLastCommittedEntry();
jam0576b132016-09-07 05:13:101367
eugenebut604866f2017-05-10 21:35:361368 // If this is a same document navigation, then there's no SSLStatus in the
jam0576b132016-09-07 05:13:101369 // NavigationHandle so don't overwrite the existing entry's SSLStatus.
eugenebut604866f2017-05-10 21:35:361370 if (!is_same_document)
jam0576b132016-09-07 05:13:101371 entry->GetSSL() = handle->ssl_status();
John Abd-El-Malek9cd697e2017-07-12 21:53:141372
1373 if (entry->GetURL().SchemeIs(url::kHttpsScheme)) {
1374 bool has_cert = !!entry->GetSSL().certificate;
1375 if (is_same_document) {
1376 UMA_HISTOGRAM_BOOLEAN(
1377 "Navigation.SecureSchemeHasSSLStatus."
1378 "ExistingPageSameDocumentRendererInitiated",
1379 has_cert);
1380 } else {
1381 UMA_HISTOGRAM_BOOLEAN(
1382 "Navigation.SecureSchemeHasSSLStatus."
1383 "ExistingPageDifferentDocumentRendererInitiated",
1384 has_cert);
1385 }
1386 }
avicbdc4c12015-07-01 16:07:111387 }
1388 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:431389
[email protected]5ccd4dc2012-10-24 02:28:141390 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431391 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1392 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041393 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201394 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321395 if (entry->update_virtual_url_with_url())
1396 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141397
jam015ba062017-01-06 21:17:001398 // The site instance will normally be the same except
1399 // 1) session restore, when no site instance will be assigned or
1400 // 2) redirect, when the site instance is reset.
naskoaf182192016-08-11 02:12:011401 DCHECK(entry->site_instance() == nullptr ||
jam015ba062017-01-06 21:17:001402 !entry->GetRedirectChain().empty() ||
naskoaf182192016-08-11 02:12:011403 entry->site_instance() == rfh->GetSiteInstance());
clamy432acb22016-04-15 19:41:431404
naskoaf182192016-08-11 02:12:011405 // Update the existing FrameNavigationEntry to ensure all of its members
1406 // reflect the parameters coming from the renderer process.
1407 entry->AddOrUpdateFrameEntry(
1408 rfh->frame_tree_node(), params.item_sequence_number,
1409 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
arthursonzognie6b67c20b2016-10-04 09:46:041410 params.url, params.referrer, params.redirects, params.page_state,
1411 params.method, params.post_id);
creis22a7b4c2016-04-28 07:20:301412
[email protected]5ccd4dc2012-10-24 02:28:141413 // The redirected to page should not inherit the favicon from the previous
1414 // page.
eugenebut604866f2017-05-10 21:35:361415 if (ui::PageTransitionIsRedirect(params.transition) && !is_same_document)
[email protected]91a4ff82012-10-29 20:29:481416 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141417
[email protected]e9ba4472008-09-14 15:42:431418 // The entry we found in the list might be pending if the user hit
1419 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591420 // list, we can just discard the pending pointer). We should also discard the
1421 // pending entry if it corresponds to a different navigation, since that one
1422 // is now likely canceled. If it is not canceled, we will treat it as a new
1423 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431424 //
1425 // Note that we need to use the "internal" version since we don't want to
1426 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491427 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391428
[email protected]80858db52009-10-15 00:35:181429 // If a transient entry was removed, the indices might have changed, so we
1430 // have to query the entry index again.
avicbdc4c12015-07-01 16:07:111431 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:431432}
1433
[email protected]d202a7c2012-01-04 07:53:471434void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321435 RenderFrameHostImpl* rfh,
clamy3bf35e3c2016-11-10 15:59:441436 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
1437 NavigationHandleImpl* handle) {
aviaf5660962015-06-30 15:12:291438 // This classification says that we have a pending entry that's the same as
1439 // the last committed entry. This entry is guaranteed to exist by
[email protected]4c27ba82008-09-24 16:49:091440 // ClassifyNavigation. All we need to do is update the existing entry.
aviaf5660962015-06-30 15:12:291441 NavigationEntryImpl* existing_entry = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431442
creis77c9aa32015-09-25 19:59:421443 // If we classified this correctly, the SiteInstance should not have changed.
1444 CHECK_EQ(existing_entry->site_instance(), rfh->GetSiteInstance());
1445
[email protected]e9ba4472008-09-14 15:42:431446 // We assign the entry's unique ID to be that of the new one. Since this is
1447 // always the result of a user action, we want to dismiss infobars, etc. like
1448 // a regular user-initiated navigation.
creis77c9aa32015-09-25 19:59:421449 DCHECK_EQ(pending_entry_->GetUniqueID(), params.nav_entry_id);
[email protected]36fc0392011-12-25 03:59:511450 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431451
[email protected]a0e69262009-06-03 19:08:481452 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431453 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1454 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321455 if (existing_entry->update_virtual_url_with_url())
1456 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041457 existing_entry->SetURL(params.url);
[email protected]a0e69262009-06-03 19:08:481458
jamd208b90ce2016-09-01 16:58:161459 // If a user presses enter in the omnibox and the server redirects, the URL
1460 // might change (but it's still considered a SAME_PAGE navigation). So we must
1461 // update the SSL status.
clamy3bf35e3c2016-11-10 15:59:441462 existing_entry->GetSSL() = handle->ssl_status();
jamd208b90ce2016-09-01 16:58:161463
John Abd-El-Malek9cd697e2017-07-12 21:53:141464 if (existing_entry->GetURL().SchemeIs(url::kHttpsScheme)) {
1465 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.SamePage",
1466 !!existing_entry->GetSSL().certificate);
1467 }
1468
jianlid26f6c92016-10-12 21:03:171469 // The extra headers may have changed due to reloading with different headers.
1470 existing_entry->set_extra_headers(pending_entry_->extra_headers());
1471
naskoaf182192016-08-11 02:12:011472 // Update the existing FrameNavigationEntry to ensure all of its members
1473 // reflect the parameters coming from the renderer process.
1474 existing_entry->AddOrUpdateFrameEntry(
1475 rfh->frame_tree_node(), params.item_sequence_number,
1476 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
arthursonzognie6b67c20b2016-10-04 09:46:041477 params.url, params.referrer, params.redirects, params.page_state,
1478 params.method, params.post_id);
[email protected]b77686522013-12-11 20:34:191479
[email protected]cbab76d2008-10-13 22:42:471480 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431481}
1482
[email protected]d202a7c2012-01-04 07:53:471483void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321484 RenderFrameHostImpl* rfh,
creis1857908a2016-02-25 20:31:521485 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
eugenebut604866f2017-05-10 21:35:361486 bool is_same_document,
creis1857908a2016-02-25 20:31:521487 bool replace_entry) {
avi25f5f9e2015-07-17 20:08:261488 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1489 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
[email protected]09b8f82f2009-06-16 20:22:111490
[email protected]e9ba4472008-09-14 15:42:431491 // Manual subframe navigations just get the current entry cloned so the user
1492 // can go back or forward to it. The actual subframe information will be
1493 // stored in the page state for each of those entries. This happens out of
1494 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091495 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1496 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381497
creisce0ef3572017-01-26 17:53:081498 // Make sure we don't leak frame_entry if new_entry doesn't take ownership.
1499 scoped_refptr<FrameNavigationEntry> frame_entry(new FrameNavigationEntry(
1500 params.frame_unique_name, params.item_sequence_number,
1501 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
1502 params.url, params.referrer, params.method, params.post_id));
1503 std::unique_ptr<NavigationEntryImpl> new_entry =
1504 GetLastCommittedEntry()->CloneAndReplace(
eugenebut604866f2017-05-10 21:35:361505 frame_entry.get(), is_same_document, rfh->frame_tree_node(),
creisce0ef3572017-01-26 17:53:081506 delegate_->GetFrameTree()->root());
creise062d542015-08-25 02:01:551507
John Abd-El-Malek9cd697e2017-07-12 21:53:141508 if (new_entry->GetURL().SchemeIs(url::kHttpsScheme)) {
1509 UMA_HISTOGRAM_BOOLEAN("Navigation.SecureSchemeHasSSLStatus.NewSubFrame",
1510 !!new_entry->GetSSL().certificate);
1511 }
1512
creisce0ef3572017-01-26 17:53:081513 // TODO(creis): Update this to add the frame_entry if we can't find the one
1514 // to replace, which can happen due to a unique name change. See
1515 // https://crbug.com/607205. For now, frame_entry will be deleted when it
1516 // goes out of scope if it doesn't get used.
creis96fc55082015-06-13 06:42:381517
creis1857908a2016-02-25 20:31:521518 InsertOrReplaceEntry(std::move(new_entry), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431519}
1520
[email protected]d202a7c2012-01-04 07:53:471521bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321522 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221523 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291524 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1525 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1526
[email protected]e9ba4472008-09-14 15:42:431527 // We're guaranteed to have a previously committed entry, and we now need to
1528 // handle navigation inside of a subframe in it without creating a new entry.
1529 DCHECK(GetLastCommittedEntry());
1530
creis913c63ce2016-07-16 19:52:521531 // For newly created subframes, we don't need to send a commit notification.
1532 // This is only necessary for history navigations in subframes.
1533 bool send_commit_notification = false;
1534
1535 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1536 // a history navigation. Update the last committed index accordingly.
1537 // If we don't recognize the |nav_entry_id|, it might be a recently pruned
1538 // entry. We'll handle it below.
avi98405c22015-05-21 20:47:061539 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511540 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
creis3cdc3b02015-05-29 23:00:471541 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061542 // Make sure that a subframe commit isn't changing the main frame's
1543 // origin. Otherwise the renderer process may be confused, leading to a
1544 // URL spoof. We can't check the path since that may change
1545 // (https://crbug.com/373041).
creis37988b92016-06-10 18:03:571546 // TODO(creis): For now, restrict this check to HTTP(S) origins, because
1547 // about:blank, file, and unique origins are more subtle to get right.
1548 // We'll abstract out the relevant checks from IsURLInPageNavigation and
1549 // share them here. See https://crbug.com/618104.
1550 const GURL& dest_top_url = GetEntryAtIndex(entry_index)->GetURL();
1551 const GURL& current_top_url = GetLastCommittedEntry()->GetURL();
1552 if (current_top_url.SchemeIsHTTPOrHTTPS() &&
1553 dest_top_url.SchemeIsHTTPOrHTTPS() &&
1554 current_top_url.GetOrigin() != dest_top_url.GetOrigin()) {
creisfb6eeb62016-05-10 19:01:511555 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1556 bad_message::NC_AUTO_SUBFRAME);
avi98405c22015-05-21 20:47:061557 }
creis3cdc3b02015-05-29 23:00:471558
creis913c63ce2016-07-16 19:52:521559 // We only need to discard the pending entry in this history navigation
1560 // case. For newly created subframes, there was no pending entry.
avi98405c22015-05-21 20:47:061561 last_committed_entry_index_ = entry_index;
1562 DiscardNonCommittedEntriesInternal();
creis913c63ce2016-07-16 19:52:521563
1564 // History navigations should send a commit notification.
1565 send_commit_notification = true;
avi98405c22015-05-21 20:47:061566 }
[email protected]e9ba4472008-09-14 15:42:431567 }
[email protected]f233e4232013-02-23 00:55:141568
creisce0ef3572017-01-26 17:53:081569 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1570 // it may be a "history auto" case where we update an existing one.
1571 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
1572 last_committed->AddOrUpdateFrameEntry(
1573 rfh->frame_tree_node(), params.item_sequence_number,
1574 params.document_sequence_number, rfh->GetSiteInstance(), nullptr,
1575 params.url, params.referrer, params.redirects, params.page_state,
1576 params.method, params.post_id);
creis625a0c7d2015-03-24 23:17:121577
creis913c63ce2016-07-16 19:52:521578 return send_commit_notification;
[email protected]e9ba4472008-09-14 15:42:431579}
1580
[email protected]d202a7c2012-01-04 07:53:471581int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231582 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:031583 for (size_t i = 0; i < entries_.size(); ++i) {
1584 if (entries_[i].get() == entry)
1585 return i;
1586 }
1587 return -1;
[email protected]765b35502008-08-21 00:51:201588}
1589
avidb7d1d22015-06-08 21:21:501590// There are two general cases where a navigation is "in page":
1591// 1. A fragment navigation, in which the url is kept the same except for the
1592// reference fragment.
1593// 2. A history API navigation (pushState and replaceState). This case is
1594// always in-page, but the urls are not guaranteed to match excluding the
1595// fragment. The relevant spec allows pushState/replaceState to any URL on
1596// the same origin.
1597// However, due to reloads, even identical urls are *not* guaranteed to be
1598// in-page navigations, we have to trust the renderer almost entirely.
1599// The one thing we do know is that cross-origin navigations will *never* be
1600// in-page. Therefore, trust the renderer if the URLs are on the same origin,
1601// and assume the renderer is malicious if a cross-origin navigation claims to
1602// be in-page.
creisf164daa2016-06-07 00:17:051603//
1604// TODO(creis): Clean up and simplify the about:blank and origin checks below,
1605// which are likely redundant with each other. Be careful about data URLs vs
1606// about:blank, both of which are unique origins and thus not considered equal.
[email protected]ce760d742012-08-30 22:31:101607bool NavigationControllerImpl::IsURLInPageNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121608 const GURL& url,
creisf164daa2016-06-07 00:17:051609 const url::Origin& origin,
[email protected]b9d4dfdc2013-08-08 00:25:121610 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:231611 RenderFrameHost* rfh) const {
creis225a7432016-06-03 22:56:271612 RenderFrameHostImpl* rfhi = static_cast<RenderFrameHostImpl*>(rfh);
avidb7d1d22015-06-08 21:21:501613 GURL last_committed_url;
1614 if (rfh->GetParent()) {
creis225a7432016-06-03 22:56:271615 // Use the FrameTreeNode's current_url and not rfh->GetLastCommittedURL(),
1616 // which might be empty in a new RenderFrameHost after a process swap.
1617 // Here, we care about the last committed URL in the FrameTreeNode,
1618 // regardless of which process it is in.
1619 last_committed_url = rfhi->frame_tree_node()->current_url();
avidb7d1d22015-06-08 21:21:501620 } else {
1621 NavigationEntry* last_committed = GetLastCommittedEntry();
1622 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1623 // might Blink say that a navigation is in-page yet there be no last-
1624 // committed entry?
1625 if (!last_committed)
1626 return false;
1627 last_committed_url = last_committed->GetURL();
1628 }
1629
1630 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
creis225a7432016-06-03 22:56:271631 const url::Origin& committed_origin =
1632 rfhi->frame_tree_node()->current_origin();
avidb7d1d22015-06-08 21:21:501633 bool is_same_origin = last_committed_url.is_empty() ||
1634 // TODO(japhet): We should only permit navigations
1635 // originating from about:blank to be in-page if the
1636 // about:blank is the first document that frame loaded.
1637 // We don't have sufficient information to identify
1638 // that case at the moment, so always allow about:blank
1639 // for now.
csharrisona3bd0b32016-10-19 18:40:481640 last_committed_url == url::kAboutBlankURL ||
avidb7d1d22015-06-08 21:21:501641 last_committed_url.GetOrigin() == url.GetOrigin() ||
creisf164daa2016-06-07 00:17:051642 committed_origin == origin ||
avidb7d1d22015-06-08 21:21:501643 !prefs.web_security_enabled ||
1644 (prefs.allow_universal_access_from_file_urls &&
creisdc004e02015-11-20 21:28:471645 committed_origin.scheme() == url::kFileScheme);
avidb7d1d22015-06-08 21:21:501646 if (!is_same_origin && renderer_says_in_page) {
1647 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1648 bad_message::NC_IN_PAGE_NAVIGATION);
1649 }
1650 return is_same_origin && renderer_says_in_page;
[email protected]e9ba4472008-09-14 15:42:431651}
1652
Francois Dorayeaace782017-06-21 16:37:241653void NavigationControllerImpl::CopyStateFrom(const NavigationController& temp,
1654 bool needs_reload) {
[email protected]d202a7c2012-01-04 07:53:471655 const NavigationControllerImpl& source =
1656 static_cast<const NavigationControllerImpl&>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571657 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551658 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571659
[email protected]a26023822011-12-29 00:23:551660 if (source.GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571661 return; // Nothing new to do.
1662
Francois Dorayeaace782017-06-21 16:37:241663 needs_reload_ = needs_reload;
[email protected]a26023822011-12-29 00:23:551664 InsertEntriesFrom(source, source.GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571665
[email protected]fdac6ade2013-07-20 01:06:301666 for (SessionStorageNamespaceMap::const_iterator it =
1667 source.session_storage_namespace_map_.begin();
1668 it != source.session_storage_namespace_map_.end();
1669 ++it) {
1670 SessionStorageNamespaceImpl* source_namespace =
1671 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1672 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1673 }
[email protected]4e6419c2010-01-15 04:50:341674
toyoshim0df1d3a2016-09-09 09:52:481675 FinishRestore(source.last_committed_entry_index_,
1676 RestoreType::CURRENT_SESSION);
[email protected]ce3fa3c2009-04-20 19:55:571677}
1678
[email protected]d202a7c2012-01-04 07:53:471679void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571680 NavigationController* temp,
1681 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161682 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011683 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161684
[email protected]d202a7c2012-01-04 07:53:471685 NavigationControllerImpl* source =
1686 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251687
avi2b177592014-12-10 02:08:021688 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011689 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251690
[email protected]474f8512013-05-31 22:31:161691 // We now have one entry, possibly with a new pending entry. Ensure that
1692 // adding the entries from source won't put us over the limit.
1693 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571694 if (!replace_entry)
1695 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251696
[email protected]47e020a2010-10-15 14:43:371697 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021698 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161699 // since it has not committed in source.
1700 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251701 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551702 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251703 else
1704 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571705
1706 // Ignore the source's current entry if merging with replacement.
1707 // TODO(davidben): This should preserve entries forward of the current
1708 // too. http://crbug.com/317872
1709 if (replace_entry && max_source_index > 0)
1710 max_source_index--;
1711
[email protected]47e020a2010-10-15 14:43:371712 InsertEntriesFrom(*source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251713
1714 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551715 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141716
avi2b177592014-12-10 02:08:021717 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1718 GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:251719}
1720
[email protected]79368982013-11-13 01:11:011721bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161722 // If there is no last committed entry, we cannot prune. Even if there is a
1723 // pending entry, it may not commit, leaving this WebContents blank, despite
1724 // possibly giving it new entries via CopyStateFromAndPrune.
1725 if (last_committed_entry_index_ == -1)
1726 return false;
[email protected]9350602e2013-02-26 23:27:441727
[email protected]474f8512013-05-31 22:31:161728 // We cannot prune if there is a pending entry at an existing entry index.
1729 // It may not commit, so we have to keep the last committed entry, and thus
1730 // there is no sensible place to keep the pending entry. It is ok to have
1731 // a new pending entry, which can optionally commit as a new navigation.
1732 if (pending_entry_index_ != -1)
1733 return false;
1734
1735 // We should not prune if we are currently showing a transient entry.
1736 if (transient_entry_index_ != -1)
1737 return false;
1738
1739 return true;
1740}
1741
[email protected]79368982013-11-13 01:11:011742void NavigationControllerImpl::PruneAllButLastCommitted() {
1743 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161744
avi2b177592014-12-10 02:08:021745 DCHECK_EQ(0, last_committed_entry_index_);
1746 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441747
avi2b177592014-12-10 02:08:021748 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1749 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441750}
1751
[email protected]79368982013-11-13 01:11:011752void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161753 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011754 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261755
[email protected]474f8512013-05-31 22:31:161756 // Erase all entries but the last committed entry. There may still be a
1757 // new pending entry after this.
1758 entries_.erase(entries_.begin(),
1759 entries_.begin() + last_committed_entry_index_);
1760 entries_.erase(entries_.begin() + 1, entries_.end());
1761 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261762}
1763
[email protected]15f46dc2013-01-24 05:40:241764void NavigationControllerImpl::ClearAllScreenshots() {
[email protected]1a3f5312013-04-26 21:00:101765 screenshot_manager_->ClearAllScreenshots();
[email protected]15f46dc2013-01-24 05:40:241766}
1767
[email protected]d1198fd2012-08-13 22:50:191768void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:301769 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:211770 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:191771 if (!session_storage_namespace)
1772 return;
1773
1774 // We can't overwrite an existing SessionStorage without violating spec.
1775 // Attempts to do so may give a tab access to another tab's session storage
1776 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:301777 bool successful_insert = session_storage_namespace_map_.insert(
1778 make_pair(partition_id,
1779 static_cast<SessionStorageNamespaceImpl*>(
1780 session_storage_namespace)))
1781 .second;
1782 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:191783}
1784
[email protected]aa62afd2014-04-22 19:22:461785bool NavigationControllerImpl::IsUnmodifiedBlankTab() const {
[email protected]aa62afd2014-04-22 19:22:461786 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:101787 !GetLastCommittedEntry() &&
1788 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:461789}
1790
[email protected]a26023822011-12-29 00:23:551791SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:301792NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
1793 std::string partition_id;
1794 if (instance) {
1795 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
1796 // this if statement so |instance| must not be NULL.
1797 partition_id =
1798 GetContentClient()->browser()->GetStoragePartitionIdForSite(
1799 browser_context_, instance->GetSiteURL());
1800 }
[email protected]d1198fd2012-08-13 22:50:191801
[email protected]fdac6ade2013-07-20 01:06:301802 // TODO(ajwong): Should this use the |partition_id| directly rather than
1803 // re-lookup via |instance|? http://crbug.com/142685
1804 StoragePartition* partition =
michaelnbacbcbd2016-02-09 00:32:031805 BrowserContext::GetStoragePartition(browser_context_, instance);
1806 DOMStorageContextWrapper* context_wrapper =
1807 static_cast<DOMStorageContextWrapper*>(partition->GetDOMStorageContext());
1808
1809 SessionStorageNamespaceMap::const_iterator it =
1810 session_storage_namespace_map_.find(partition_id);
1811 if (it != session_storage_namespace_map_.end()) {
1812 // Ensure that this namespace actually belongs to this partition.
1813 DCHECK(static_cast<SessionStorageNamespaceImpl*>(it->second.get())->
1814 IsFromContext(context_wrapper));
1815 return it->second.get();
1816 }
1817
1818 // Create one if no one has accessed session storage for this partition yet.
[email protected]fdac6ade2013-07-20 01:06:301819 SessionStorageNamespaceImpl* session_storage_namespace =
michaelnbacbcbd2016-02-09 00:32:031820 new SessionStorageNamespaceImpl(context_wrapper);
[email protected]fdac6ade2013-07-20 01:06:301821 session_storage_namespace_map_[partition_id] = session_storage_namespace;
1822
1823 return session_storage_namespace;
1824}
1825
1826SessionStorageNamespace*
1827NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
1828 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
1829 return GetSessionStorageNamespace(NULL);
1830}
1831
1832const SessionStorageNamespaceMap&
1833NavigationControllerImpl::GetSessionStorageNamespaceMap() const {
1834 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:551835}
[email protected]d202a7c2012-01-04 07:53:471836
1837bool NavigationControllerImpl::NeedsReload() const {
[email protected]71fde352011-12-29 03:29:561838 return needs_reload_;
1839}
[email protected]a26023822011-12-29 00:23:551840
[email protected]46bb5e9c2013-10-03 22:16:471841void NavigationControllerImpl::SetNeedsReload() {
1842 needs_reload_ = true;
jaekyunc8cefa82015-01-09 20:14:541843
1844 if (last_committed_entry_index_ != -1) {
1845 entries_[last_committed_entry_index_]->SetTransitionType(
1846 ui::PAGE_TRANSITION_RELOAD);
1847 }
[email protected]46bb5e9c2013-10-03 22:16:471848}
1849
[email protected]d202a7c2012-01-04 07:53:471850void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:551851 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:121852 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:311853
1854 DiscardNonCommittedEntries();
1855
1856 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:121857 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:311858 last_committed_entry_index_--;
1859}
1860
[email protected]d202a7c2012-01-04 07:53:471861void NavigationControllerImpl::DiscardNonCommittedEntries() {
pdr15f5b5b2017-06-20 00:58:001862 bool transient = transient_entry_index_ != -1;
[email protected]cbab76d2008-10-13 22:42:471863 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:291864
pdr15f5b5b2017-06-20 00:58:001865 // If there was a transient entry, invalidate everything so the new active
1866 // entry state is shown.
1867 if (transient) {
1868 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:471869 }
initial.commit09911bf2008-07-26 23:55:291870}
1871
creis3da03872015-02-20 21:12:321872NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() const {
arthursonzogni5c4c202d2017-04-25 23:41:271873 // If there is no pending_entry_, there should be no pending_entry_index_.
1874 DCHECK(pending_entry_ || pending_entry_index_ == -1);
1875
1876 // If there is a pending_entry_index_, then pending_entry_ must be the entry
1877 // at that index.
1878 DCHECK(pending_entry_index_ == -1 ||
1879 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
1880
[email protected]022af742011-12-28 18:37:251881 return pending_entry_;
1882}
1883
[email protected]d202a7c2012-01-04 07:53:471884int NavigationControllerImpl::GetPendingEntryIndex() const {
arthursonzogni5c4c202d2017-04-25 23:41:271885 // The pending entry index must always be less than the number of entries.
1886 // If there are no entries, it must be exactly -1.
1887 DCHECK_LT(pending_entry_index_, GetEntryCount());
1888 DCHECK(GetEntryCount() != 0 || pending_entry_index_ == -1);
[email protected]a26023822011-12-29 00:23:551889 return pending_entry_index_;
1890}
1891
avi25764702015-06-23 15:43:371892void NavigationControllerImpl::InsertOrReplaceEntry(
dcheng9bfa5162016-04-09 01:00:571893 std::unique_ptr<NavigationEntryImpl> entry,
1894 bool replace) {
mastiz7eddb5f72016-06-23 09:52:451895 DCHECK(!ui::PageTransitionCoreTypeIs(entry->GetTransitionType(),
1896 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
[email protected]765b35502008-08-21 00:51:201897
avi5cad4912015-06-19 05:25:441898 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
1899 // need to keep continuity with the pending entry, so copy the pending entry's
1900 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
1901 // then the renderer navigated on its own, independent of the pending entry,
1902 // so don't copy anything.
1903 if (pending_entry_ && pending_entry_index_ == -1)
1904 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:201905
[email protected]cbab76d2008-10-13 22:42:471906 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:201907
1908 int current_size = static_cast<int>(entries_.size());
creisee17e932015-07-17 17:56:221909
1910 // When replacing, don't prune the forward history.
creis37979a62015-08-04 19:48:181911 if (replace && current_size > 0) {
dcheng36b6aec92015-12-26 06:16:361912 entries_[last_committed_entry_index_] = std::move(entry);
creisee17e932015-07-17 17:56:221913 return;
1914 }
[email protected]765b35502008-08-21 00:51:201915
creis37979a62015-08-04 19:48:181916 // We shouldn't see replace == true when there's no committed entries.
1917 DCHECK(!replace);
1918
[email protected]765b35502008-08-21 00:51:201919 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:451920 // Prune any entries which are in front of the current entry.
[email protected]47dcbdc2011-05-27 15:08:311921 // last_committed_entry_index_ must be updated here since calls to
1922 // NotifyPrunedEntries() below may re-enter and we must make sure
1923 // last_committed_entry_index_ is not left in an invalid state.
[email protected]c12bf1a12008-09-17 16:28:491924 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:311925 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:491926 num_pruned++;
[email protected]765b35502008-08-21 00:51:201927 entries_.pop_back();
1928 current_size--;
1929 }
[email protected]c12bf1a12008-09-17 16:28:491930 if (num_pruned > 0) // Only notify if we did prune something.
1931 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:201932 }
1933
[email protected]944822b2012-03-02 20:57:251934 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:201935
dcheng36b6aec92015-12-26 06:16:361936 entries_.push_back(std::move(entry));
[email protected]765b35502008-08-21 00:51:201937 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
initial.commit09911bf2008-07-26 23:55:291938}
1939
[email protected]944822b2012-03-02 20:57:251940void NavigationControllerImpl::PruneOldestEntryIfFull() {
1941 if (entries_.size() >= max_entry_count()) {
1942 DCHECK_EQ(max_entry_count(), entries_.size());
[email protected]e6fec472013-05-14 05:29:021943 DCHECK_GT(last_committed_entry_index_, 0);
[email protected]944822b2012-03-02 20:57:251944 RemoveEntryAtIndex(0);
1945 NotifyPrunedEntries(this, true, 1);
1946 }
1947}
1948
[email protected]d202a7c2012-01-04 07:53:471949void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
arthursonzogni5c4c202d2017-04-25 23:41:271950 DCHECK(pending_entry_);
[email protected]72097fd02010-01-21 23:36:011951 needs_reload_ = false;
1952
[email protected]83c2e232011-10-07 21:36:461953 // If we were navigating to a slow-to-commit page, and the user performs
1954 // a session history navigation to the last committed page, RenderViewHost
1955 // will force the throbber to start, but WebKit will essentially ignore the
1956 // navigation, and won't send a message to stop the throbber. To prevent this
1957 // from happening, we drop the navigation here and stop the slow-to-commit
1958 // page from loading (which would normally happen during the navigation).
1959 if (pending_entry_index_ != -1 &&
1960 pending_entry_index_ == last_committed_entry_index_ &&
arthursonzogni5c4c202d2017-04-25 23:41:271961 pending_entry_->restore_type() == RestoreType::NONE &&
1962 pending_entry_->GetTransitionType() & ui::PAGE_TRANSITION_FORWARD_BACK) {
[email protected]ec6c05f2013-10-23 18:41:571963 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:121964
avi668f5232017-06-22 22:52:171965 // If an interstitial page is showing, we want to close it to get back to
1966 // what was showing before.
1967 //
1968 // There are two ways to get the interstitial page given a WebContents.
1969 // Because WebContents::GetInterstitialPage() returns null between the
1970 // interstitial's Show() method being called and the interstitial becoming
1971 // visible, while InterstitialPage::GetInterstitialPage() returns the
1972 // interstitial during that time, use the latter.
1973 InterstitialPage* interstitial =
1974 InterstitialPage::GetInterstitialPage(GetWebContents());
1975 if (interstitial)
1976 interstitial->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:121977
[email protected]83c2e232011-10-07 21:36:461978 DiscardNonCommittedEntries();
1979 return;
1980 }
1981
[email protected]6a13a6c2011-12-20 21:47:121982 // If an interstitial page is showing, the previous renderer is blocked and
1983 // cannot make new requests. Unblock (and disable) it to allow this
1984 // navigation to succeed. The interstitial will stay visible until the
1985 // resulting DidNavigate.
[email protected]ec6c05f2013-10-23 18:41:571986 if (delegate_->GetInterstitialPage()) {
ananta3bdd8ae2016-12-22 17:11:551987 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())
1988 ->CancelForNavigation();
[email protected]cadaec52012-02-08 21:53:131989 }
[email protected]6a13a6c2011-12-20 21:47:121990
ananta3bdd8ae2016-12-22 17:11:551991 // The last navigation is the last pending navigation which hasn't been
1992 // committed yet, or the last committed navigation.
1993 NavigationEntryImpl* last_navigation =
1994 last_pending_entry_ ? last_pending_entry_ : GetLastCommittedEntry();
1995
1996 // Convert Enter-in-omnibox to a reload. This is what Blink does in
1997 // FrameLoader, but we want to handle it here so that if the navigation is
1998 // redirected or handled purely on the browser side in PlzNavigate we have the
arthursonzogni5c4c202d2017-04-25 23:41:271999 // same behaviour as Blink would.
2000 if (reload_type == ReloadType::NONE && last_navigation &&
2001 // When |pending_entry_index_| is different from -1, it means this is an
2002 // history navigation. History navigation mustn't be converted to a
2003 // reload.
2004 pending_entry_index_ == -1 &&
ananta3bdd8ae2016-12-22 17:11:552005 // Please refer to the ShouldTreatNavigationAsReload() function for info
2006 // on which navigations are treated as reloads. In general navigating to
2007 // the last committed or pending entry via the address bar, clicking on
2008 // a link, etc would be treated as reloads.
2009 ShouldTreatNavigationAsReload(pending_entry_) &&
2010 // Skip entries with SSL errors.
2011 !last_navigation->ssl_error() &&
2012 // Ignore interstitial pages
2013 last_transient_entry_index_ == -1 &&
2014 pending_entry_->frame_tree_node_id() == -1 &&
2015 pending_entry_->GetURL() == last_navigation->GetURL() &&
2016 !pending_entry_->GetHasPostData() && !last_navigation->GetHasPostData() &&
2017 // This check is required for cases like view-source:, etc. Here the URL
2018 // of the navigation entry would contain the url of the page, while the
2019 // virtual URL contains the full URL including the view-source prefix.
2020 last_navigation->GetVirtualURL() == pending_entry_->GetVirtualURL() &&
2021 // This check is required for Android WebView loadDataWithBaseURL. Apps
2022 // can pass in anything in the base URL and we need to ensure that these
2023 // match before classifying it as a reload.
2024 (pending_entry_->GetURL().SchemeIs(url::kDataScheme) &&
2025 pending_entry_->GetBaseURLForDataURL().is_valid()
2026 ? pending_entry_->GetBaseURLForDataURL() ==
2027 last_navigation->GetBaseURLForDataURL()
2028 : true)) {
2029 reload_type = ReloadType::NORMAL;
2030 }
2031
2032 if (last_pending_entry_index_ == -1 && last_pending_entry_)
2033 delete last_pending_entry_;
2034
2035 last_transient_entry_index_ = -1;
2036 last_pending_entry_ = nullptr;
2037 last_pending_entry_index_ = -1;
2038
creiscf40d9c2015-09-11 18:20:542039 // Any renderer-side debug URLs or javascript: URLs should be ignored if the
2040 // renderer process is not live, unless it is the initial navigation of the
2041 // tab.
2042 if (IsRendererDebugURL(pending_entry_->GetURL())) {
2043 // TODO(creis): Find the RVH for the correct frame.
2044 if (!delegate_->GetRenderViewHost()->IsRenderViewLive() &&
2045 !IsInitialNavigation()) {
2046 DiscardNonCommittedEntries();
2047 return;
2048 }
2049 }
2050
[email protected]40fd3032014-02-28 22:16:282051 // This call does not support re-entrancy. See http://crbug.com/347742.
2052 CHECK(!in_navigate_to_pending_entry_);
2053 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:302054 bool success = NavigateToPendingEntryInternal(reload_type);
[email protected]40fd3032014-02-28 22:16:282055 in_navigate_to_pending_entry_ = false;
2056
2057 if (!success)
[email protected]cbab76d2008-10-13 22:42:472058 DiscardNonCommittedEntries();
initial.commit09911bf2008-07-26 23:55:292059}
2060
creis4e2ecb72015-06-20 00:46:302061bool NavigationControllerImpl::NavigateToPendingEntryInternal(
2062 ReloadType reload_type) {
2063 DCHECK(pending_entry_);
2064 FrameTreeNode* root = delegate_->GetFrameTree()->root();
2065
creisce0ef3572017-01-26 17:53:082066 // Compare FrameNavigationEntries to see which frames in the tree need to be
2067 // navigated.
creis4e2ecb72015-06-20 00:46:302068 FrameLoadVector same_document_loads;
2069 FrameLoadVector different_document_loads;
2070 if (GetLastCommittedEntry()) {
2071 FindFramesToNavigate(root, &same_document_loads, &different_document_loads);
2072 }
2073
2074 if (same_document_loads.empty() && different_document_loads.empty()) {
2075 // If we don't have any frames to navigate at this point, either
2076 // (1) there is no previous history entry to compare against, or
2077 // (2) we were unable to match any frames by name. In the first case,
2078 // doing a different document navigation to the root item is the only valid
2079 // thing to do. In the second case, we should have been able to find a
2080 // frame to navigate based on names if this were a same document
2081 // navigation, so we can safely assume this is the different document case.
2082 different_document_loads.push_back(
2083 std::make_pair(root, pending_entry_->GetFrameEntry(root)));
2084 }
2085
2086 // If all the frame loads fail, we will discard the pending entry.
2087 bool success = false;
2088
2089 // Send all the same document frame loads before the different document loads.
2090 for (const auto& item : same_document_loads) {
2091 FrameTreeNode* frame = item.first;
2092 success |= frame->navigator()->NavigateToPendingEntry(frame, *item.second,
2093 reload_type, true);
2094 }
2095 for (const auto& item : different_document_loads) {
2096 FrameTreeNode* frame = item.first;
2097 success |= frame->navigator()->NavigateToPendingEntry(frame, *item.second,
2098 reload_type, false);
2099 }
2100 return success;
2101}
2102
2103void NavigationControllerImpl::FindFramesToNavigate(
2104 FrameTreeNode* frame,
2105 FrameLoadVector* same_document_loads,
2106 FrameLoadVector* different_document_loads) {
2107 DCHECK(pending_entry_);
2108 DCHECK_GE(last_committed_entry_index_, 0);
2109 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
creis225a7432016-06-03 22:56:272110 // TODO(creis): Store the last committed FrameNavigationEntry to use here,
2111 // rather than assuming the NavigationEntry has up to date info on subframes.
creis4e2ecb72015-06-20 00:46:302112 FrameNavigationEntry* old_item =
2113 GetLastCommittedEntry()->GetFrameEntry(frame);
2114 if (!new_item)
2115 return;
2116
2117 // Schedule a load in this frame if the new item isn't for the same item
creis7115a702015-12-03 18:55:562118 // sequence number in the same SiteInstance. Newly restored items may not have
2119 // a SiteInstance yet, in which case it will be assigned on first commit.
creis4e2ecb72015-06-20 00:46:302120 if (!old_item ||
2121 new_item->item_sequence_number() != old_item->item_sequence_number() ||
creis7115a702015-12-03 18:55:562122 (new_item->site_instance() != nullptr &&
2123 new_item->site_instance() != old_item->site_instance())) {
creis54131692016-08-12 18:32:252124 // Same document loads happen if the previous item has the same document
2125 // sequence number. Note that we should treat them as different document if
2126 // the destination RenderFrameHost (which is necessarily the current
2127 // RenderFrameHost for same document navigations) doesn't have a last
2128 // committed page. This case can happen for Ctrl+Back or after a renderer
2129 // crash.
creis4e2ecb72015-06-20 00:46:302130 if (old_item &&
2131 new_item->document_sequence_number() ==
creis54131692016-08-12 18:32:252132 old_item->document_sequence_number() &&
2133 !frame->current_frame_host()->last_committed_url().is_empty()) {
creis4e2ecb72015-06-20 00:46:302134 same_document_loads->push_back(std::make_pair(frame, new_item));
avib48cb312016-05-05 21:35:002135
2136 // TODO(avi, creis): This is a bug; we should not return here. Rather, we
2137 // should continue on and navigate all child frames which have also
2138 // changed. This bug is the cause of <https://crbug.com/542299>, which is
2139 // a NC_IN_PAGE_NAVIGATION renderer kill.
2140 //
2141 // However, this bug is a bandaid over a deeper and worse problem. Doing a
2142 // pushState immediately after loading a subframe is a race, one that no
2143 // web page author expects. If we fix this bug, many large websites break.
2144 // For example, see <https://crbug.com/598043> and the spec discussion at
2145 // <https://github.com/whatwg/html/issues/1191>.
2146 //
2147 // For now, we accept this bug, and hope to resolve the race in a
2148 // different way that will one day allow us to fix this.
2149 return;
creis4e2ecb72015-06-20 00:46:302150 } else {
2151 different_document_loads->push_back(std::make_pair(frame, new_item));
avib3b47ab2016-01-22 20:53:582152 // For a different document, the subframes will be destroyed, so there's
2153 // no need to consider them.
2154 return;
creis4e2ecb72015-06-20 00:46:302155 }
creis4e2ecb72015-06-20 00:46:302156 }
2157
2158 for (size_t i = 0; i < frame->child_count(); i++) {
2159 FindFramesToNavigate(frame->child_at(i), same_document_loads,
2160 different_document_loads);
2161 }
2162}
2163
[email protected]d202a7c2012-01-04 07:53:472164void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:212165 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:272166 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:402167
[email protected]2db9bd72012-04-13 20:20:562168 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:402169 // location bar will have up-to-date information about the security style
2170 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:132171 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:402172
[email protected]7f924832014-08-09 05:57:222173 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:572174 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:462175
[email protected]b0f724c2013-09-05 04:21:132176 // TODO(avi): Remove. http://crbug.com/170921
2177 NotificationDetails notification_details =
2178 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:212179 NotificationService::current()->Notify(
2180 NOTIFICATION_NAV_ENTRY_COMMITTED,
2181 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:402182 notification_details);
initial.commit09911bf2008-07-26 23:55:292183}
2184
initial.commit09911bf2008-07-26 23:55:292185// static
[email protected]d202a7c2012-01-04 07:53:472186size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:232187 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
2188 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:212189 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:232190}
2191
[email protected]d202a7c2012-01-04 07:53:472192void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:222193 if (is_active && needs_reload_)
2194 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:292195}
2196
[email protected]d202a7c2012-01-04 07:53:472197void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:292198 if (!needs_reload_)
2199 return;
2200
initial.commit09911bf2008-07-26 23:55:292201 // Calling Reload() results in ignoring state, and not loading.
2202 // Explicitly use NavigateToPendingEntry so that the renderer uses the
2203 // cached state.
avicc872d7242015-08-19 21:26:342204 if (pending_entry_) {
toyoshim0df1d3a2016-09-09 09:52:482205 NavigateToPendingEntry(ReloadType::NONE);
avicc872d7242015-08-19 21:26:342206 } else if (last_committed_entry_index_ != -1) {
arthursonzogni5c4c202d2017-04-25 23:41:272207 pending_entry_ = entries_[last_committed_entry_index_].get();
avicc872d7242015-08-19 21:26:342208 pending_entry_index_ = last_committed_entry_index_;
toyoshim0df1d3a2016-09-09 09:52:482209 NavigateToPendingEntry(ReloadType::NONE);
avicc872d7242015-08-19 21:26:342210 } else {
2211 // If there is something to reload, the successful reload will clear the
2212 // |needs_reload_| flag. Otherwise, just do it here.
2213 needs_reload_ = false;
2214 }
initial.commit09911bf2008-07-26 23:55:292215}
2216
avi47179332015-05-20 21:01:112217void NavigationControllerImpl::NotifyEntryChanged(
2218 const NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:212219 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:092220 det.changed_entry = entry;
avi47179332015-05-20 21:01:112221 det.index = GetIndexOfEntry(
2222 NavigationEntryImpl::FromNavigationEntry(entry));
Sam McNally5c087a32017-08-25 01:46:142223 delegate_->NotifyNavigationEntryChanged(det);
initial.commit09911bf2008-07-26 23:55:292224}
2225
[email protected]d202a7c2012-01-04 07:53:472226void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:362227 RestoreType type) {
[email protected]a26023822011-12-29 00:23:552228 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:362229 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:292230
initial.commit09911bf2008-07-26 23:55:292231 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:292232}
[email protected]765b35502008-08-21 00:51:202233
[email protected]d202a7c2012-01-04 07:53:472234void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:452235 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:482236 DiscardTransientEntry();
2237}
2238
avi45a72532015-04-07 21:01:452239void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
[email protected]40fd3032014-02-28 22:16:282240 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
[email protected]e7fee58a2014-04-11 19:51:402241 // progress, since this will cause a use-after-free. (We only allow this
2242 // when the tab is being destroyed for shutdown, since it won't return to
2243 // NavigateToEntry in that case.) http://crbug.com/347742.
2244 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
[email protected]40fd3032014-02-28 22:16:282245
avi45a72532015-04-07 21:01:452246 if (was_failure && pending_entry_) {
2247 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
avi45a72532015-04-07 21:01:452248 } else {
2249 failed_pending_entry_id_ = 0;
2250 }
2251
arthursonzogni5c4c202d2017-04-25 23:41:272252 if (pending_entry_) {
2253 if (pending_entry_index_ == -1)
2254 delete pending_entry_;
2255 pending_entry_index_ = -1;
2256 pending_entry_ = nullptr;
2257 }
[email protected]cbab76d2008-10-13 22:42:472258}
2259
ananta3bdd8ae2016-12-22 17:11:552260void NavigationControllerImpl::SetPendingNavigationSSLError(bool error) {
2261 if (pending_entry_)
2262 pending_entry_->set_ssl_error(error);
2263}
2264
[email protected]d202a7c2012-01-04 07:53:472265void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:472266 if (transient_entry_index_ == -1)
2267 return;
[email protected]a0e69262009-06-03 19:08:482268 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:182269 if (last_committed_entry_index_ > transient_entry_index_)
2270 last_committed_entry_index_--;
arthursonzogni5c4c202d2017-04-25 23:41:272271 if (pending_entry_index_ > transient_entry_index_)
2272 pending_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:472273 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:202274}
2275
avi7c6f35e2015-05-08 17:52:382276int NavigationControllerImpl::GetEntryIndexWithUniqueID(
2277 int nav_entry_id) const {
2278 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
2279 if (entries_[i]->GetUniqueID() == nav_entry_id)
2280 return i;
2281 }
2282 return -1;
2283}
2284
creis3da03872015-02-20 21:12:322285NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() const {
[email protected]cbab76d2008-10-13 22:42:472286 if (transient_entry_index_ == -1)
2287 return NULL;
avif16f85a72015-11-13 18:25:032288 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:472289}
[email protected]e1cd5452010-08-26 18:03:252290
avi25764702015-06-23 15:43:372291void NavigationControllerImpl::SetTransientEntry(
dcheng9bfa5162016-04-09 01:00:572292 std::unique_ptr<NavigationEntry> entry) {
[email protected]0b684262013-02-20 02:18:212293 // Discard any current transient entry, we can only have one at a time.
2294 int index = 0;
2295 if (last_committed_entry_index_ != -1)
2296 index = last_committed_entry_index_ + 1;
2297 DiscardTransientEntry();
avi25764702015-06-23 15:43:372298 entries_.insert(entries_.begin() + index,
dcheng36b6aec92015-12-26 06:16:362299 NavigationEntryImpl::FromNavigationEntry(std::move(entry)));
arthursonzogni5c4c202d2017-04-25 23:41:272300 if (pending_entry_index_ >= index)
2301 pending_entry_index_++;
[email protected]0b684262013-02-20 02:18:212302 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:222303 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:212304}
2305
[email protected]d202a7c2012-01-04 07:53:472306void NavigationControllerImpl::InsertEntriesFrom(
2307 const NavigationControllerImpl& source,
[email protected]e1cd5452010-08-26 18:03:252308 int max_index) {
[email protected]a26023822011-12-29 00:23:552309 DCHECK_LE(max_index, source.GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:252310 size_t insert_index = 0;
2311 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:352312 // When cloning a tab, copy all entries except interstitial pages.
avi25764702015-06-23 15:43:372313 if (source.entries_[i]->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
creisef4a0cb2015-03-12 19:14:352314 // TODO(creis): Once we start sharing FrameNavigationEntries between
2315 // NavigationEntries, it will not be safe to share them with another tab.
2316 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:252317 entries_.insert(entries_.begin() + insert_index++,
dcheng36b6aec92015-12-26 06:16:362318 source.entries_[i]->Clone());
[email protected]e1cd5452010-08-26 18:03:252319 }
2320 }
arthursonzogni5c4c202d2017-04-25 23:41:272321 DCHECK(pending_entry_index_ == -1 ||
2322 pending_entry_ == GetEntryAtIndex(pending_entry_index_));
[email protected]e1cd5452010-08-26 18:03:252323}
[email protected]c5b88d82012-10-06 17:03:332324
2325void NavigationControllerImpl::SetGetTimestampCallbackForTest(
2326 const base::Callback<base::Time()>& get_timestamp_callback) {
2327 get_timestamp_callback_ = get_timestamp_callback;
2328}
[email protected]8ff00d72012-10-23 19:12:212329
2330} // namespace content