blob: 3ff0d6b42786aa44809976cafb67b92858d20f61 [file] [log] [blame]
[email protected]d4a8ca482013-10-30 21:06:401// Copyright 2013 The Chromium Authors. All rights reserved.
license.botbf09a502008-08-24 00:55:552// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
initial.commit09911bf2008-07-26 23:55:294
creis4e2ecb72015-06-20 00:46:305/*
6 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
7 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
9 * (http://www.torchmobile.com/)
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 *
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
21 * its contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
25 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
28 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
[email protected]d4a8ca482013-10-30 21:06:4036#include "content/browser/frame_host/navigation_controller_impl.h"
initial.commit09911bf2008-07-26 23:55:2937
[email protected]c5b88d82012-10-06 17:03:3338#include "base/bind.h"
[email protected]eabfe1912014-05-12 10:07:2839#include "base/command_line.h"
initial.commit09911bf2008-07-26 23:55:2940#include "base/logging.h"
[email protected]d6def3d2014-05-19 18:55:3241#include "base/metrics/histogram.h"
[email protected]348fbaac2013-06-11 06:31:5142#include "base/strings/string_number_conversions.h" // Temporary
43#include "base/strings/string_util.h"
[email protected]74ebfb12013-06-07 20:48:0044#include "base/strings/utf_string_conversions.h"
[email protected]a43858f2013-06-28 15:18:3745#include "base/time/time.h"
ssid3e765612015-01-28 04:03:4246#include "base/trace_event/trace_event.h"
servolkf3955532015-05-16 00:01:5947#include "build/build_config.h"
[email protected]eabfe1912014-05-12 10:07:2848#include "cc/base/switches.h"
rsleevic327b48f82015-04-30 02:03:2549#include "components/mime_util/mime_util.h"
jamescookda2505812015-03-20 18:01:1850#include "content/browser/bad_message.h"
[email protected]825b1662012-03-12 19:07:3151#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4152#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0453#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]d4a8ca482013-10-30 21:06:4054#include "content/browser/frame_host/debug_urls.h"
55#include "content/browser/frame_host/interstitial_page_impl.h"
56#include "content/browser/frame_host/navigation_entry_impl.h"
[email protected]d1581d72013-11-05 19:11:2657#include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
creis4e2ecb72015-06-20 00:46:3058#include "content/browser/frame_host/navigator.h"
[email protected]b3c41c0b2012-03-06 15:48:3259#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary
[email protected]b6583592012-01-25 19:52:3360#include "content/browser/site_instance_impl.h"
[email protected]37567b432014-02-12 01:12:2261#include "content/common/frame_messages.h"
nickd30fd962015-07-27 21:51:0862#include "content/common/site_isolation_policy.h"
estarka5635c42015-07-14 00:06:5363#include "content/common/ssl_status_serialization.h"
[email protected]0aed2f52011-03-23 18:06:3664#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1165#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1966#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4667#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0068#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3869#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1670#include "content/public/browser/notification_types.h"
[email protected]9677a3c2012-12-22 04:18:5871#include "content/public/browser/render_widget_host.h"
72#include "content/public/browser/render_widget_host_view.h"
[email protected]4c3a23582012-08-18 08:54:3473#include "content/public/browser/storage_partition.h"
[email protected]7f6f44c2011-12-14 13:23:3874#include "content/public/browser/user_metrics.h"
[email protected]d1198fd2012-08-13 22:50:1975#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3876#include "content/public/common/content_constants.h"
kinuko1be5023c2015-12-16 02:31:5777#include "content/public/common/content_switches.h"
servolkf3955532015-05-16 00:01:5978#include "media/base/mime_util.h"
[email protected]a23de8572009-06-03 02:16:3279#include "net/base/escape.h"
[email protected]7f070d42011-03-09 20:25:3280#include "net/base/net_util.h"
[email protected]9677a3c2012-12-22 04:18:5881#include "skia/ext/platform_canvas.h"
[email protected]cca6f392014-05-28 21:32:2682#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2983
[email protected]8ff00d72012-10-23 19:12:2184namespace content {
[email protected]e9ba4472008-09-14 15:42:4385namespace {
86
87// Invoked when entries have been pruned, or removed. For example, if the
88// current entries are [google, digg, yahoo], with the current entry google,
89// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4790void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4991 bool from_front,
92 int count) {
[email protected]8ff00d72012-10-23 19:12:2193 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4994 details.from_front = from_front;
95 details.count = count;
[email protected]8ff00d72012-10-23 19:12:2196 NotificationService::current()->Notify(
97 NOTIFICATION_NAV_LIST_PRUNED,
98 Source<NavigationController>(nav_controller),
99 Details<PrunedDetails>(&details));
[email protected]e9ba4472008-09-14 15:42:43100}
101
102// Ensure the given NavigationEntry has a valid state, so that WebKit does not
103// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:39104//
[email protected]e9ba4472008-09-14 15:42:43105// An empty state is treated as a new navigation by WebKit, which would mean
106// losing the navigation entries and generating a new navigation entry after
107// this one. We don't want that. To avoid this we create a valid state which
108// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:04109void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
110 if (!entry->GetPageState().IsValid())
111 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:43112}
113
[email protected]2ca1ea662012-10-04 02:26:36114NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType(
115 NavigationController::RestoreType type) {
116 switch (type) {
117 case NavigationController::RESTORE_CURRENT_SESSION:
118 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
119 case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY:
120 return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY;
121 case NavigationController::RESTORE_LAST_SESSION_CRASHED:
122 return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED;
123 }
124 NOTREACHED();
125 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
126}
127
[email protected]e9ba4472008-09-14 15:42:43128// Configure all the NavigationEntries in entries for restore. This resets
129// the transition type to reload and makes sure the content state isn't empty.
130void ConfigureEntriesForRestore(
avif16f85a72015-11-13 18:25:03131 std::vector<scoped_ptr<NavigationEntryImpl>>* entries,
[email protected]2ca1ea662012-10-04 02:26:36132 NavigationController::RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:43133 for (size_t i = 0; i < entries->size(); ++i) {
134 // Use a transition type of reload so that we don't incorrectly increase
135 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35136 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]2ca1ea662012-10-04 02:26:36137 (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type));
[email protected]e9ba4472008-09-14 15:42:43138 // NOTE(darin): This code is only needed for backwards compat.
avif16f85a72015-11-13 18:25:03139 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43140 }
141}
142
[email protected]bf70edce2012-06-20 22:32:22143// Determines whether or not we should be carrying over a user agent override
144// between two NavigationEntries.
[email protected]8ff00d72012-10-23 19:12:21145bool ShouldKeepOverride(const NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22146 return last_entry && last_entry->GetIsOverridingUserAgent();
147}
148
creis03b48002015-11-04 00:54:56149// Helper method for FrameTree::ForEach to set the nav_entry_id on each current
150// RenderFrameHost in the tree.
151bool SetFrameNavEntryID(int nav_entry_id, FrameTreeNode* node) {
152 node->current_frame_host()->set_nav_entry_id(nav_entry_id);
153 return true;
154}
155
[email protected]e9ba4472008-09-14 15:42:43156} // namespace
157
[email protected]d202a7c2012-01-04 07:53:47158// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29159
[email protected]23a918b2014-07-15 09:51:36160const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23161
[email protected]765b35502008-08-21 00:51:20162// static
[email protected]d202a7c2012-01-04 07:53:47163size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23164 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20165
[email protected]e6fec472013-05-14 05:29:02166// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20167// when testing.
168static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29169
[email protected]71fde352011-12-29 03:29:56170// static
avi25764702015-06-23 15:43:37171scoped_ptr<NavigationEntry> NavigationController::CreateNavigationEntry(
[email protected]71fde352011-12-29 03:29:56172 const GURL& url,
[email protected]cdcb1dee2012-01-04 00:46:20173 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35174 ui::PageTransition transition,
[email protected]71fde352011-12-29 03:29:56175 bool is_renderer_initiated,
176 const std::string& extra_headers,
[email protected]cdcb1dee2012-01-04 00:46:20177 BrowserContext* browser_context) {
creis94a977f62015-02-18 23:51:05178 // Fix up the given URL before letting it be rewritten, so that any minor
179 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
180 GURL dest_url(url);
181 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(&dest_url,
182 browser_context);
183
[email protected]71fde352011-12-29 03:29:56184 // Allow the browser URL handler to rewrite the URL. This will, for example,
185 // remove "view-source:" from the beginning of the URL to get the URL that
186 // will actually be loaded. This real URL won't be shown to the user, just
187 // used internally.
creis94a977f62015-02-18 23:51:05188 GURL loaded_url(dest_url);
[email protected]71fde352011-12-29 03:29:56189 bool reverse_on_redirect = false;
[email protected]825b1662012-03-12 19:07:31190 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
[email protected]71fde352011-12-29 03:29:56191 &loaded_url, browser_context, &reverse_on_redirect);
192
193 NavigationEntryImpl* entry = new NavigationEntryImpl(
194 NULL, // The site instance for tabs is sent on navigation
[email protected]2db9bd72012-04-13 20:20:56195 // (WebContents::GetSiteInstance).
[email protected]71fde352011-12-29 03:29:56196 -1,
197 loaded_url,
198 referrer,
[email protected]fcf75d42013-12-03 20:11:26199 base::string16(),
[email protected]71fde352011-12-29 03:29:56200 transition,
201 is_renderer_initiated);
creis94a977f62015-02-18 23:51:05202 entry->SetVirtualURL(dest_url);
203 entry->set_user_typed_url(dest_url);
[email protected]71fde352011-12-29 03:29:56204 entry->set_update_virtual_url_with_url(reverse_on_redirect);
205 entry->set_extra_headers(extra_headers);
avi25764702015-06-23 15:43:37206 return make_scoped_ptr(entry);
[email protected]71fde352011-12-29 03:29:56207}
208
[email protected]cdcb1dee2012-01-04 00:46:20209// static
210void NavigationController::DisablePromptOnRepost() {
211 g_check_for_repost = false;
212}
213
[email protected]c5b88d82012-10-06 17:03:33214base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
215 base::Time t) {
216 // If |t| is between the water marks, we're in a run of duplicates
217 // or just getting out of it, so increase the high-water mark to get
218 // a time that probably hasn't been used before and return it.
219 if (low_water_mark_ <= t && t <= high_water_mark_) {
220 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
221 return high_water_mark_;
222 }
223
224 // Otherwise, we're clear of the last duplicate run, so reset the
225 // water marks.
226 low_water_mark_ = high_water_mark_ = t;
227 return t;
228}
229
[email protected]d202a7c2012-01-04 07:53:47230NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57231 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19232 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37233 : browser_context_(browser_context),
[email protected]765b35502008-08-21 00:51:20234 pending_entry_(NULL),
avi45a72532015-04-07 21:01:45235 failed_pending_entry_id_(0),
236 failed_pending_entry_should_replace_(false),
[email protected]765b35502008-08-21 00:51:20237 last_committed_entry_index_(-1),
238 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47239 transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57240 delegate_(delegate),
initial.commit09911bf2008-07-26 23:55:29241 max_restored_page_id_(-1),
[email protected]69e797f2013-04-30 01:10:22242 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57243 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09244 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28245 in_navigate_to_pending_entry_(false),
[email protected]c5b88d82012-10-06 17:03:33246 pending_reload_(NO_RELOAD),
[email protected]8cea7892013-02-06 06:49:31247 get_timestamp_callback_(base::Bind(&base::Time::Now)),
[email protected]d1581d72013-11-05 19:11:26248 screenshot_manager_(new NavigationEntryScreenshotManager(this)) {
[email protected]3d7474ff2011-07-27 17:47:37249 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29250}
251
[email protected]d202a7c2012-01-04 07:53:47252NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47253 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29254}
255
[email protected]d202a7c2012-01-04 07:53:47256WebContents* NavigationControllerImpl::GetWebContents() const {
[email protected]ec6c05f2013-10-23 18:41:57257 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32258}
259
[email protected]d202a7c2012-01-04 07:53:47260BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
[email protected]a26023822011-12-29 00:23:55261 return browser_context_;
262}
263
[email protected]d202a7c2012-01-04 07:53:47264void NavigationControllerImpl::SetBrowserContext(
265 BrowserContext* browser_context) {
[email protected]cdcb1dee2012-01-04 00:46:20266 browser_context_ = browser_context;
267}
268
[email protected]d202a7c2012-01-04 07:53:47269void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30270 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36271 RestoreType type,
avif16f85a72015-11-13 18:25:03272 std::vector<scoped_ptr<NavigationEntry>>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57273 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55274 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57275 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14276 selected_navigation < static_cast<int>(entries->size()));
[email protected]ce3fa3c2009-04-20 19:55:57277
[email protected]ce3fa3c2009-04-20 19:55:57278 needs_reload_ = true;
avif16f85a72015-11-13 18:25:03279 entries_.reserve(entries->size());
280 for (auto& entry : *entries)
281 entries_.push_back(NavigationEntryImpl::FromNavigationEntry(entry.Pass()));
282
283 // At this point, the |entries| is full of empty scoped_ptrs, so it can be
284 // cleared out safely.
285 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57286
287 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36288 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57289}
290
[email protected]d202a7c2012-01-04 07:53:47291void NavigationControllerImpl::Reload(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16292 ReloadInternal(check_for_repost, RELOAD);
293}
kinuko1be5023c2015-12-16 02:31:57294void NavigationControllerImpl::ReloadToRefreshContent(bool check_for_repost) {
295 if (base::CommandLine::ForCurrentProcess()->HasSwitch(
296 switches::kEnableNonValidatingReloadOnRefreshContent)) {
297 ReloadInternal(check_for_repost, NO_RELOAD);
298 } else {
299 ReloadInternal(check_for_repost, RELOAD);
300 }
301}
[email protected]d202a7c2012-01-04 07:53:47302void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16303 ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE);
304}
[email protected]7c16976c2012-08-04 02:38:23305void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) {
306 ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL);
307}
megjablond5ac7d52015-10-22 23:56:12308void NavigationControllerImpl::ReloadDisableLoFi(bool check_for_repost) {
309 ReloadInternal(check_for_repost, RELOAD_DISABLE_LOFI_MODE);
310}
[email protected]1ccb3568d2010-02-19 10:51:16311
[email protected]d202a7c2012-01-04 07:53:47312void NavigationControllerImpl::ReloadInternal(bool check_for_repost,
313 ReloadType reload_type) {
[email protected]669e0ba2012-08-30 23:57:36314 if (transient_entry_index_ != -1) {
315 // If an interstitial is showing, treat a reload as a navigation to the
316 // transient entry's URL.
creis3da03872015-02-20 21:12:32317 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27318 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36319 return;
[email protected]6286a3792013-10-09 04:03:27320 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21321 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35322 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27323 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47324 return;
[email protected]669e0ba2012-08-30 23:57:36325 }
[email protected]cbab76d2008-10-13 22:42:47326
[email protected]59167c22013-06-03 18:07:32327 NavigationEntryImpl* entry = NULL;
328 int current_index = -1;
329
330 // If we are reloading the initial navigation, just use the current
331 // pending entry. Otherwise look up the current entry.
332 if (IsInitialNavigation() && pending_entry_) {
333 entry = pending_entry_;
334 // The pending entry might be in entries_ (e.g., after a Clone), so we
335 // should also update the current_index.
336 current_index = pending_entry_index_;
337 } else {
338 DiscardNonCommittedEntriesInternal();
339 current_index = GetCurrentEntryIndex();
340 if (current_index != -1) {
creis3da03872015-02-20 21:12:32341 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32342 }
[email protected]979a4bc2013-04-24 01:27:15343 }
[email protected]241db352013-04-22 18:04:05344
[email protected]59167c22013-06-03 18:07:32345 // If we are no where, then we can't reload. TODO(darin): We should add a
346 // CanReload method.
347 if (!entry)
348 return;
349
[email protected]cdcb1dee2012-01-04 00:46:20350 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32351 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30352 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07353 // they really want to do this. If they do, the dialog will call us back
354 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57355 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02356
[email protected]106a0812010-03-18 00:15:12357 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57358 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29359 } else {
[email protected]59167c22013-06-03 18:07:32360 if (!IsInitialNavigation())
361 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26362
[email protected]bcd904482012-02-01 01:54:22363 // If we are reloading an entry that no longer belongs to the current
364 // site instance (for example, refreshing a page for just installed app),
365 // the reload must happen in a new process.
366 // The new entry must have a new page_id and site instance, so it behaves
367 // as new navigation (which happens to clear forward history).
[email protected]7e58cb272012-03-30 21:22:30368 // Tabs that are discarded due to low memory conditions may not have a site
369 // instance, and should not be treated as a cross-site reload.
[email protected]59167c22013-06-03 18:07:32370 SiteInstanceImpl* site_instance = entry->site_instance();
[email protected]fb4cc8e2013-12-17 17:56:21371 // Permit reloading guests without further checks.
paulmeyer1aeba7aa2015-06-16 18:25:10372 bool is_for_guests_only = site_instance && site_instance->HasProcess() &&
373 site_instance->GetProcess()->IsForGuestsOnly();
374 if (!is_for_guests_only && site_instance &&
[email protected]7e58cb272012-03-30 21:22:30375 site_instance->HasWrongProcessForURL(entry->GetURL())) {
[email protected]bcd904482012-02-01 01:54:22376 // Create a navigation entry that resembles the current one, but do not
avi0b7df5b2015-07-18 23:16:46377 // copy page id, site instance, content state, or timestamp.
[email protected]bcd904482012-02-01 01:54:22378 NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry(
379 CreateNavigationEntry(
380 entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(),
avi25764702015-06-23 15:43:37381 false, entry->extra_headers(), browser_context_).release());
[email protected]c3b3d952012-01-31 12:52:26382
[email protected]11535962012-02-09 21:02:10383 // Mark the reload type as NO_RELOAD, so navigation will not be considered
384 // a reload in the renderer.
385 reload_type = NavigationController::NO_RELOAD;
386
[email protected]e2caa032012-11-15 23:29:18387 nav_entry->set_should_replace_entry(true);
[email protected]bcd904482012-02-01 01:54:22388 pending_entry_ = nav_entry;
avi0b7df5b2015-07-18 23:16:46389 DCHECK_EQ(-1, pending_entry_index_);
[email protected]bcd904482012-02-01 01:54:22390 } else {
[email protected]59167c22013-06-03 18:07:32391 pending_entry_ = entry;
[email protected]bcd904482012-02-01 01:54:22392 pending_entry_index_ = current_index;
393
394 // The title of the page being reloaded might have been removed in the
395 // meanwhile, so we need to revert to the default title upon reload and
396 // invalidate the previously cached title (SetTitle will do both).
397 // See Chromium issue 96041.
[email protected]fcf75d42013-12-03 20:11:26398 pending_entry_->SetTitle(base::string16());
[email protected]bcd904482012-02-01 01:54:22399
Sylvain Defresnec6ccc77d2014-09-19 10:19:35400 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22401 }
402
[email protected]1ccb3568d2010-02-19 10:51:16403 NavigateToPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29404 }
405}
406
[email protected]d202a7c2012-01-04 07:53:47407void NavigationControllerImpl::CancelPendingReload() {
[email protected]106a0812010-03-18 00:15:12408 DCHECK(pending_reload_ != NO_RELOAD);
409 pending_reload_ = NO_RELOAD;
410}
411
[email protected]d202a7c2012-01-04 07:53:47412void NavigationControllerImpl::ContinuePendingReload() {
[email protected]106a0812010-03-18 00:15:12413 if (pending_reload_ == NO_RELOAD) {
414 NOTREACHED();
415 } else {
416 ReloadInternal(false, pending_reload_);
[email protected]965bb092010-04-09 11:59:02417 pending_reload_ = NO_RELOAD;
[email protected]106a0812010-03-18 00:15:12418 }
419}
420
[email protected]cd2e15742013-03-08 04:08:31421bool NavigationControllerImpl::IsInitialNavigation() const {
[email protected]27ba81c2012-08-21 17:04:09422 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11423}
424
creis10a4ab72015-10-13 17:22:40425bool NavigationControllerImpl::IsInitialBlankNavigation() const {
426 // TODO(creis): Once we create a NavigationEntry for the initial blank page,
427 // we'll need to check for entry count 1 and restore_type RESTORE_NONE (to
428 // exclude the cloned tab case).
429 return IsInitialNavigation() && GetEntryCount() == 0;
430}
431
[email protected]d202a7c2012-01-04 07:53:47432NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID(
[email protected]b6583592012-01-25 19:52:33433 SiteInstance* instance, int32 page_id) const {
[email protected]7f0005a2009-04-15 03:25:11434 int index = GetEntryIndexWithPageID(instance, page_id);
avif16f85a72015-11-13 18:25:03435 return (index != -1) ? entries_[index].get() : nullptr;
[email protected]765b35502008-08-21 00:51:20436}
437
avi254eff02015-07-01 08:27:58438NavigationEntryImpl*
439NavigationControllerImpl::GetEntryWithUniqueID(int nav_entry_id) const {
440 int index = GetEntryIndexWithUniqueID(nav_entry_id);
avif16f85a72015-11-13 18:25:03441 return (index != -1) ? entries_[index].get() : nullptr;
avi254eff02015-07-01 08:27:58442}
443
avi25764702015-06-23 15:43:37444void NavigationControllerImpl::LoadEntry(
445 scoped_ptr<NavigationEntryImpl> entry) {
[email protected]765b35502008-08-21 00:51:20446 // When navigating to a new page, we don't know for sure if we will actually
447 // end up leaving the current page. The new page load could for example
448 // result in a download or a 'no content' response (e.g., a mailto: URL).
avi25764702015-06-23 15:43:37449 SetPendingEntry(entry.Pass());
[email protected]59167c22013-06-03 18:07:32450 NavigateToPendingEntry(NO_RELOAD);
451}
452
avi25764702015-06-23 15:43:37453void NavigationControllerImpl::SetPendingEntry(
454 scoped_ptr<NavigationEntryImpl> entry) {
[email protected]cbab76d2008-10-13 22:42:47455 DiscardNonCommittedEntriesInternal();
avi25764702015-06-23 15:43:37456 pending_entry_ = entry.release();
[email protected]8ff00d72012-10-23 19:12:21457 NotificationService::current()->Notify(
458 NOTIFICATION_NAV_ENTRY_PENDING,
459 Source<NavigationController>(this),
avi25764702015-06-23 15:43:37460 Details<NavigationEntry>(pending_entry_));
[email protected]765b35502008-08-21 00:51:20461}
462
creis3da03872015-02-20 21:12:32463NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() const {
[email protected]cbab76d2008-10-13 22:42:47464 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03465 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:47466 if (pending_entry_)
467 return pending_entry_;
468 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20469}
470
creis3da03872015-02-20 21:12:32471NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() const {
[email protected]867e1f92011-08-30 19:01:19472 if (transient_entry_index_ != -1)
avif16f85a72015-11-13 18:25:03473 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32474 // The pending entry is safe to return for new (non-history), browser-
475 // initiated navigations. Most renderer-initiated navigations should not
476 // show the pending entry, to prevent URL spoof attacks.
477 //
478 // We make an exception for renderer-initiated navigations in new tabs, as
479 // long as no other page has tried to access the initial empty document in
480 // the new tab. If another page modifies this blank page, a URL spoof is
481 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32482 bool safe_to_show_pending =
483 pending_entry_ &&
484 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09485 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32486 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46487 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32488
489 // Also allow showing the pending entry for history navigations in a new tab,
490 // such as Ctrl+Back. In this case, no existing page is visible and no one
491 // can script the new tab before it commits.
492 if (!safe_to_show_pending &&
493 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09494 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32495 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34496 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32497 safe_to_show_pending = true;
498
499 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19500 return pending_entry_;
501 return GetLastCommittedEntry();
502}
503
[email protected]d202a7c2012-01-04 07:53:47504int NavigationControllerImpl::GetCurrentEntryIndex() const {
[email protected]cbab76d2008-10-13 22:42:47505 if (transient_entry_index_ != -1)
506 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20507 if (pending_entry_index_ != -1)
508 return pending_entry_index_;
509 return last_committed_entry_index_;
510}
511
creis3da03872015-02-20 21:12:32512NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() const {
[email protected]765b35502008-08-21 00:51:20513 if (last_committed_entry_index_ == -1)
514 return NULL;
avif16f85a72015-11-13 18:25:03515 return entries_[last_committed_entry_index_].get();
[email protected]765b35502008-08-21 00:51:20516}
517
[email protected]d202a7c2012-01-04 07:53:47518bool NavigationControllerImpl::CanViewSource() const {
[email protected]ec6c05f2013-10-23 18:41:57519 const std::string& mime_type = delegate_->GetContentsMimeType();
rsleevic327b48f82015-04-30 02:03:25520 bool is_viewable_mime_type =
521 mime_util::IsSupportedNonImageMimeType(mime_type) &&
servolkf3955532015-05-16 00:01:59522 !media::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27523 NavigationEntry* visible_entry = GetVisibleEntry();
524 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57525 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16526}
527
[email protected]d202a7c2012-01-04 07:53:47528int NavigationControllerImpl::GetLastCommittedEntryIndex() const {
[email protected]a26023822011-12-29 00:23:55529 return last_committed_entry_index_;
530}
531
[email protected]d202a7c2012-01-04 07:53:47532int NavigationControllerImpl::GetEntryCount() const {
[email protected]944822b2012-03-02 20:57:25533 DCHECK(entries_.size() <= max_entry_count());
[email protected]a26023822011-12-29 00:23:55534 return static_cast<int>(entries_.size());
535}
536
creis3da03872015-02-20 21:12:32537NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(
[email protected]022af742011-12-28 18:37:25538 int index) const {
avi25764702015-06-23 15:43:37539 if (index < 0 || index >= GetEntryCount())
540 return nullptr;
541
avif16f85a72015-11-13 18:25:03542 return entries_[index].get();
[email protected]022af742011-12-28 18:37:25543}
544
creis3da03872015-02-20 21:12:32545NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(
[email protected]022af742011-12-28 18:37:25546 int offset) const {
avi057ce1492015-06-29 15:59:47547 return GetEntryAtIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20548}
549
[email protected]9ba14052012-06-22 23:50:03550int NavigationControllerImpl::GetIndexForOffset(int offset) const {
[email protected]7bc2b032012-12-19 22:45:46551 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03552}
553
[email protected]9677a3c2012-12-22 04:18:58554void NavigationControllerImpl::TakeScreenshot() {
[email protected]1a3f5312013-04-26 21:00:10555 screenshot_manager_->TakeScreenshot();
[email protected]9677a3c2012-12-22 04:18:58556}
557
[email protected]1a3f5312013-04-26 21:00:10558void NavigationControllerImpl::SetScreenshotManager(
avi67081d0ae2015-07-27 18:25:46559 scoped_ptr<NavigationEntryScreenshotManager> manager) {
560 if (manager.get())
561 screenshot_manager_ = manager.Pass();
562 else
563 screenshot_manager_.reset(new NavigationEntryScreenshotManager(this));
[email protected]9677a3c2012-12-22 04:18:58564}
565
[email protected]d202a7c2012-01-04 07:53:47566bool NavigationControllerImpl::CanGoBack() const {
avi56e40c92015-08-27 00:11:22567 return CanGoToOffset(-1);
[email protected]765b35502008-08-21 00:51:20568}
569
[email protected]d202a7c2012-01-04 07:53:47570bool NavigationControllerImpl::CanGoForward() const {
avi56e40c92015-08-27 00:11:22571 return CanGoToOffset(1);
[email protected]765b35502008-08-21 00:51:20572}
573
[email protected]9ba14052012-06-22 23:50:03574bool NavigationControllerImpl::CanGoToOffset(int offset) const {
575 int index = GetIndexForOffset(offset);
576 return index >= 0 && index < GetEntryCount();
577}
578
[email protected]d202a7c2012-01-04 07:53:47579void NavigationControllerImpl::GoBack() {
[email protected]765b35502008-08-21 00:51:20580 if (!CanGoBack()) {
581 NOTREACHED();
582 return;
583 }
584
585 // Base the navigation on where we are now...
586 int current_index = GetCurrentEntryIndex();
587
[email protected]cbab76d2008-10-13 22:42:47588 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20589
590 pending_entry_index_ = current_index - 1;
[email protected]022af742011-12-28 18:37:25591 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35592 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51593 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35594 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16595 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20596}
597
[email protected]d202a7c2012-01-04 07:53:47598void NavigationControllerImpl::GoForward() {
[email protected]765b35502008-08-21 00:51:20599 if (!CanGoForward()) {
600 NOTREACHED();
601 return;
602 }
603
[email protected]cbab76d2008-10-13 22:42:47604 bool transient = (transient_entry_index_ != -1);
605
[email protected]765b35502008-08-21 00:51:20606 // Base the navigation on where we are now...
607 int current_index = GetCurrentEntryIndex();
608
[email protected]cbab76d2008-10-13 22:42:47609 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20610
[email protected]cbab76d2008-10-13 22:42:47611 pending_entry_index_ = current_index;
612 // If there was a transient entry, we removed it making the current index
613 // the next page.
614 if (!transient)
615 pending_entry_index_++;
616
[email protected]022af742011-12-28 18:37:25617 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35618 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51619 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35620 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16621 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20622}
623
[email protected]d202a7c2012-01-04 07:53:47624void NavigationControllerImpl::GoToIndex(int index) {
[email protected]765b35502008-08-21 00:51:20625 if (index < 0 || index >= static_cast<int>(entries_.size())) {
626 NOTREACHED();
627 return;
628 }
629
[email protected]cbab76d2008-10-13 22:42:47630 if (transient_entry_index_ != -1) {
631 if (index == transient_entry_index_) {
632 // Nothing to do when navigating to the transient.
633 return;
634 }
635 if (index > transient_entry_index_) {
636 // Removing the transient is goint to shift all entries by 1.
637 index--;
638 }
639 }
640
641 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20642
643 pending_entry_index_ = index;
[email protected]022af742011-12-28 18:37:25644 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35645 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51646 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35647 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16648 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20649}
650
[email protected]d202a7c2012-01-04 07:53:47651void NavigationControllerImpl::GoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03652 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20653 return;
654
[email protected]9ba14052012-06-22 23:50:03655 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20656}
657
[email protected]41374f12013-07-24 02:49:28658bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
659 if (index == last_committed_entry_index_ ||
660 index == pending_entry_index_)
661 return false;
[email protected]6a13a6c2011-12-20 21:47:12662
[email protected]43032342011-03-21 14:10:31663 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28664 return true;
[email protected]cbab76d2008-10-13 22:42:47665}
666
[email protected]d202a7c2012-01-04 07:53:47667void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23668 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32669 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31670 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51671 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
672 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32673 }
674}
675
[email protected]d202a7c2012-01-04 07:53:47676void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47677 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21678 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35679 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47680 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47681 LoadURLParams params(url);
682 params.referrer = referrer;
683 params.transition_type = transition;
684 params.extra_headers = extra_headers;
685 LoadURLWithParams(params);
686}
687
688void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43689 TRACE_EVENT1("browser,navigation",
690 "NavigationControllerImpl::LoadURLWithParams",
691 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43692 if (HandleDebugURL(params.url, params.transition_type)) {
693 // If Telemetry is running, allow the URL load to proceed as if it's
694 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49695 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43696 cc::switches::kEnableGpuBenchmarking))
697 return;
698 }
[email protected]8bf1048012012-02-08 01:22:18699
[email protected]cf002332012-08-14 19:17:47700 // Checks based on params.load_type.
701 switch (params.load_type) {
702 case LOAD_TYPE_DEFAULT:
703 break;
704 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
[email protected]e8ca69c2014-05-07 15:31:19705 if (!params.url.SchemeIs(url::kHttpScheme) &&
706 !params.url.SchemeIs(url::kHttpsScheme)) {
[email protected]cf002332012-08-14 19:17:47707 NOTREACHED() << "Http post load must use http(s) scheme.";
708 return;
709 }
710 break;
711 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26712 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47713 NOTREACHED() << "Data load must use data scheme.";
714 return;
715 }
716 break;
717 default:
718 NOTREACHED();
719 break;
720 };
[email protected]e47ae9472011-10-13 19:48:34721
[email protected]e47ae9472011-10-13 19:48:34722 // The user initiated a load, we don't need to reload anymore.
723 needs_reload_ = false;
724
[email protected]cf002332012-08-14 19:17:47725 bool override = false;
726 switch (params.override_user_agent) {
727 case UA_OVERRIDE_INHERIT:
728 override = ShouldKeepOverride(GetLastCommittedEntry());
729 break;
730 case UA_OVERRIDE_TRUE:
731 override = true;
732 break;
733 case UA_OVERRIDE_FALSE:
734 override = false;
735 break;
736 default:
737 NOTREACHED();
738 break;
[email protected]d1ef81d2012-07-24 11:39:36739 }
740
avi25764702015-06-23 15:43:37741 scoped_ptr<NavigationEntryImpl> entry;
creis4e2ecb72015-06-20 00:46:30742
743 // For subframes, create a pending entry with a corresponding frame entry.
744 int frame_tree_node_id = params.frame_tree_node_id;
745 if (frame_tree_node_id != -1 || !params.frame_name.empty()) {
746 FrameTreeNode* node =
747 params.frame_tree_node_id != -1
748 ? delegate_->GetFrameTree()->FindByID(params.frame_tree_node_id)
749 : delegate_->GetFrameTree()->FindByName(params.frame_name);
750 if (node && !node->IsMainFrame()) {
751 DCHECK(GetLastCommittedEntry());
752
753 // Update the FTN ID to use below in case we found a named frame.
754 frame_tree_node_id = node->frame_tree_node_id();
755
756 // In --site-per-process, create an identical NavigationEntry with a
757 // new FrameNavigationEntry for the target subframe.
nickd30fd962015-07-27 21:51:08758 if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis4e2ecb72015-06-20 00:46:30759 entry = GetLastCommittedEntry()->Clone();
760 entry->SetPageID(-1);
creis6d752c32015-11-10 01:59:43761 entry->AddOrUpdateFrameEntry(node, "", -1, -1, nullptr, params.url,
creis4e2ecb72015-06-20 00:46:30762 params.referrer, PageState());
763 }
764 }
creis6a93a812015-04-24 23:13:17765 }
creis4e2ecb72015-06-20 00:46:30766
767 // Otherwise, create a pending entry for the main frame.
768 if (!entry) {
769 entry = NavigationEntryImpl::FromNavigationEntry(CreateNavigationEntry(
770 params.url, params.referrer, params.transition_type,
771 params.is_renderer_initiated, params.extra_headers, browser_context_));
772 }
773 // Set the FTN ID (only used in non-site-per-process, for tests).
774 entry->set_frame_tree_node_id(frame_tree_node_id);
lfg9ef7d2d2014-12-15 22:32:30775 entry->set_source_site_instance(
776 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
[email protected]f8872902013-10-30 03:18:57777 if (params.redirect_chain.size() > 0)
[email protected]c1982ff2014-04-23 03:37:21778 entry->SetRedirectChain(params.redirect_chain);
avib6cc1562015-02-12 19:56:39779 // Don't allow an entry replacement if there is no entry to replace.
780 // http://crbug.com/457149
781 if (params.should_replace_current_entry && entries_.size() > 0)
[email protected]e2caa032012-11-15 23:29:18782 entry->set_should_replace_entry(true);
[email protected]60d6cca2013-04-30 08:47:13783 entry->set_should_clear_history_list(params.should_clear_history_list);
[email protected]cf002332012-08-14 19:17:47784 entry->SetIsOverridingUserAgent(override);
785 entry->set_transferred_global_request_id(
786 params.transferred_global_request_id);
[email protected]d1ef81d2012-07-24 11:39:36787
clamy8451aa62015-01-23 16:56:08788#if defined(OS_ANDROID)
789 if (params.intent_received_timestamp > 0) {
790 entry->set_intent_received_timestamp(
791 base::TimeTicks() +
792 base::TimeDelta::FromMilliseconds(params.intent_received_timestamp));
793 }
qinmin976d4d92015-08-07 18:32:39794 entry->set_has_user_gesture(params.has_user_gesture);
clamy8451aa62015-01-23 16:56:08795#endif
796
[email protected]cf002332012-08-14 19:17:47797 switch (params.load_type) {
798 case LOAD_TYPE_DEFAULT:
799 break;
800 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
801 entry->SetHasPostData(true);
802 entry->SetBrowserInitiatedPostData(
[email protected]fc72bb12013-06-02 21:13:46803 params.browser_initiated_post_data.get());
[email protected]cf002332012-08-14 19:17:47804 break;
805 case LOAD_TYPE_DATA:
806 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
807 entry->SetVirtualURL(params.virtual_url_for_data_url);
[email protected]951a64832012-10-11 16:26:37808 entry->SetCanLoadLocalResources(params.can_load_local_resources);
[email protected]cf002332012-08-14 19:17:47809 break;
810 default:
811 NOTREACHED();
812 break;
813 };
[email protected]132e281a2012-07-31 18:32:44814
avi25764702015-06-23 15:43:37815 LoadEntry(entry.Pass());
[email protected]132e281a2012-07-31 18:32:44816}
817
[email protected]d202a7c2012-01-04 07:53:47818bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32819 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22820 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]8ff00d72012-10-23 19:12:21821 LoadCommittedDetails* details) {
[email protected]cd2e15742013-03-08 04:08:31822 is_initial_navigation_ = false;
823
[email protected]0e8db942008-09-24 21:21:48824 // Save the previous state before we clobber it.
825 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51826 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55827 details->previous_entry_index = GetLastCommittedEntryIndex();
[email protected]0e8db942008-09-24 21:21:48828 } else {
829 details->previous_url = GURL();
830 details->previous_entry_index = -1;
831 }
[email protected]ecd9d8702008-08-28 22:10:17832
fdegans9caf66a2015-07-30 21:10:42833 // If there is a pending entry at this point, it should have a SiteInstance,
834 // except for restored entries.
835 DCHECK(pending_entry_index_ == -1 ||
836 pending_entry_->site_instance() ||
837 pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE);
838 if (pending_entry_ &&
839 pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE)
840 pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE);
[email protected]e9ba4472008-09-14 15:42:43841
[email protected]bcd904482012-02-01 01:54:22842 // If we are doing a cross-site reload, we need to replace the existing
843 // navigation entry, not add another entry to the history. This has the side
avi45a72532015-04-07 21:01:45844 // effect of removing forward browsing history, if such existed. Or if we are
845 // doing a cross-site redirect navigation, we will do a similar thing.
846 //
847 // If this is an error load, we may have already removed the pending entry
848 // when we got the notice of the load failure. If so, look at the copy of the
849 // pending parameters that were saved.
850 if (params.url_is_unreachable && failed_pending_entry_id_ != 0) {
851 details->did_replace_entry = failed_pending_entry_should_replace_;
852 } else {
853 details->did_replace_entry = pending_entry_ &&
854 pending_entry_->should_replace_entry();
855 }
[email protected]bcd904482012-02-01 01:54:22856
[email protected]e9ba4472008-09-14 15:42:43857 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:43858 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:20859
[email protected]b9d4dfdc2013-08-08 00:25:12860 // is_in_page must be computed before the entry gets committed.
avidb7d1d22015-06-08 21:21:50861 details->is_in_page = IsURLInPageNavigation(
[email protected]5cfbddc2014-06-23 23:52:23862 params.url, params.was_within_same_page, rfh);
[email protected]b9d4dfdc2013-08-08 00:25:12863
[email protected]0e8db942008-09-24 21:21:48864 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:21865 case NAVIGATION_TYPE_NEW_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43866 RendererDidNavigateToNewPage(rfh, params, details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43867 break;
[email protected]8ff00d72012-10-23 19:12:21868 case NAVIGATION_TYPE_EXISTING_PAGE:
avi259dc792015-07-07 04:42:36869 details->did_replace_entry = details->is_in_page;
[email protected]27dd82fd2014-03-03 22:11:43870 RendererDidNavigateToExistingPage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43871 break;
[email protected]8ff00d72012-10-23 19:12:21872 case NAVIGATION_TYPE_SAME_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43873 RendererDidNavigateToSamePage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43874 break;
[email protected]8ff00d72012-10-23 19:12:21875 case NAVIGATION_TYPE_NEW_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43876 RendererDidNavigateNewSubframe(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43877 break;
[email protected]8ff00d72012-10-23 19:12:21878 case NAVIGATION_TYPE_AUTO_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43879 if (!RendererDidNavigateAutoSubframe(rfh, params))
[email protected]e9ba4472008-09-14 15:42:43880 return false;
881 break;
[email protected]8ff00d72012-10-23 19:12:21882 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:49883 // If a pending navigation was in progress, this canceled it. We should
884 // discard it and make sure it is removed from the URL bar. After that,
885 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:43886 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:49887 if (pending_entry_) {
888 DiscardNonCommittedEntries();
[email protected]ec6c05f2013-10-23 18:41:57889 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:49890 }
[email protected]e9ba4472008-09-14 15:42:43891 return false;
892 default:
893 NOTREACHED();
[email protected]765b35502008-08-21 00:51:20894 }
895
[email protected]688aa65c62012-09-28 04:32:22896 // At this point, we know that the navigation has just completed, so
897 // record the time.
898 //
899 // TODO(akalin): Use "sane time" as described in
900 // http://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:33901 base::Time timestamp =
902 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
903 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:22904 << timestamp.ToInternalValue();
905
[email protected]f233e4232013-02-23 00:55:14906 // We should not have a pending entry anymore. Clear it again in case any
907 // error cases above forgot to do so.
908 DiscardNonCommittedEntriesInternal();
909
[email protected]e9ba4472008-09-14 15:42:43910 // All committed entries should have nonempty content state so WebKit doesn't
911 // get confused when we go back to them (see the function for details).
[email protected]691aa2f2013-05-28 22:52:04912 DCHECK(params.page_state.IsValid());
creis3da03872015-02-20 21:12:32913 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:22914 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:44915 active_entry->SetHttpStatusCode(params.http_status_code);
nickd30fd962015-07-27 21:51:08916 if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis4e2ecb72015-06-20 00:46:30917 // Update the frame-specific PageState.
918 FrameNavigationEntry* frame_entry =
919 active_entry->GetFrameEntry(rfh->frame_tree_node());
creise062d542015-08-25 02:01:55920 // We may not find a frame_entry in some cases; ignore the PageState if so.
921 // TODO(creis): Remove the "if" once https://crbug.com/522193 is fixed.
922 if (frame_entry)
923 frame_entry->set_page_state(params.page_state);
creis4e2ecb72015-06-20 00:46:30924 } else {
925 active_entry->SetPageState(params.page_state);
926 }
[email protected]c1982ff2014-04-23 03:37:21927 active_entry->SetRedirectChain(params.redirects);
[email protected]132e281a2012-07-31 18:32:44928
[email protected]d6def3d2014-05-19 18:55:32929 // Use histogram to track memory impact of redirect chain because it's now
930 // not cleared for committed entries.
931 size_t redirect_chain_size = 0;
932 for (size_t i = 0; i < params.redirects.size(); ++i) {
933 redirect_chain_size += params.redirects[i].spec().length();
934 }
935 UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size);
936
[email protected]97d8f0d2013-10-29 16:49:21937 // Once it is committed, we no longer need to track several pieces of state on
938 // the entry.
939 active_entry->ResetForCommit();
[email protected]60d6cca2013-04-30 08:47:13940
[email protected]49bd30e62011-03-22 20:12:59941 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:22942 // TODO(creis): This check won't pass for subframes until we create entries
943 // for subframe navigations.
avi39c1edd32015-06-04 20:06:00944 if (!rfh->GetParent())
creis77c9aa32015-09-25 19:59:42945 CHECK_EQ(active_entry->site_instance(), rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:59946
[email protected]b26de072013-02-23 02:33:44947 // Remember the bindings the renderer process has at this point, so that
948 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:32949 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:44950
[email protected]e9ba4472008-09-14 15:42:43951 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:00952 details->entry = active_entry;
avi39c1edd32015-06-04 20:06:00953 details->is_main_frame = !rfh->GetParent();
[email protected]2e39d2e2009-02-19 18:41:31954 details->http_status_code = params.http_status_code;
estarka5635c42015-07-14 00:06:53955
956 // Deserialize the security info and kill the renderer if
957 // deserialization fails. The navigation will continue with default
958 // SSLStatus values.
959 if (!DeserializeSecurityInfo(params.security_info, &details->ssl_status)) {
960 bad_message::ReceivedBadMessage(
961 rfh->GetProcess(),
962 bad_message::WC_RENDERER_DID_NAVIGATE_BAD_SECURITY_INFO);
963 }
964
[email protected]93f230e02011-06-01 14:40:00965 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:29966
creis03b48002015-11-04 00:54:56967 // Update the nav_entry_id for each RenderFrameHost in the tree, so that each
968 // one knows the latest NavigationEntry it is showing (whether it has
969 // committed anything in this navigation or not). This allows things like
970 // state and title updates from RenderFrames to apply to the latest relevant
971 // NavigationEntry.
972 delegate_->GetFrameTree()->ForEach(
973 base::Bind(&SetFrameNavEntryID, active_entry->GetUniqueID()));
[email protected]e9ba4472008-09-14 15:42:43974 return true;
initial.commit09911bf2008-07-26 23:55:29975}
976
[email protected]8ff00d72012-10-23 19:12:21977NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:32978 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22979 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const {
avi7c6f35e2015-05-08 17:52:38980 if (params.did_create_new_entry) {
981 // A new entry. We may or may not have a pending entry for the page, and
982 // this may or may not be the main frame.
avi39c1edd32015-06-04 20:06:00983 if (!rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:38984 return NAVIGATION_TYPE_NEW_PAGE;
985 }
986
987 // When this is a new subframe navigation, we should have a committed page
988 // in which it's a subframe. This may not be the case when an iframe is
989 // navigated on a popup navigated to about:blank (the iframe would be
990 // written into the popup by script on the main page). For these cases,
991 // there isn't any navigation stuff we can do, so just ignore it.
avib1986b12015-06-11 20:21:23992 if (!GetLastCommittedEntry())
avi7c6f35e2015-05-08 17:52:38993 return NAVIGATION_TYPE_NAV_IGNORE;
994
995 // Valid subframe navigation.
996 return NAVIGATION_TYPE_NEW_SUBFRAME;
997 }
998
999 // We only clear the session history when navigating to a new page.
1000 DCHECK(!params.history_list_was_cleared);
1001
avi39c1edd32015-06-04 20:06:001002 if (rfh->GetParent()) {
avi7c6f35e2015-05-08 17:52:381003 // All manual subframes would be did_create_new_entry and handled above, so
1004 // we know this is auto.
1005 if (GetLastCommittedEntry()) {
1006 return NAVIGATION_TYPE_AUTO_SUBFRAME;
1007 } else {
1008 // We ignore subframes created in non-committed pages; we'd appreciate if
1009 // people stopped doing that.
1010 return NAVIGATION_TYPE_NAV_IGNORE;
1011 }
1012 }
1013
1014 if (params.nav_entry_id == 0) {
1015 // This is a renderer-initiated navigation (nav_entry_id == 0), but didn't
1016 // create a new page.
1017
1018 // Just like above in the did_create_new_entry case, it's possible to
1019 // scribble onto an uncommitted page. Again, there isn't any navigation
1020 // stuff that we can do, so ignore it here as well.
avi3a5b8f32015-05-28 17:50:231021 NavigationEntry* last_committed = GetLastCommittedEntry();
avib1986b12015-06-11 20:21:231022 if (!last_committed)
avi7c6f35e2015-05-08 17:52:381023 return NAVIGATION_TYPE_NAV_IGNORE;
1024
avi259dc792015-07-07 04:42:361025 // This is history.replaceState(), history.reload(), or a client-side
1026 // redirect.
1027 return NAVIGATION_TYPE_EXISTING_PAGE;
avi7c6f35e2015-05-08 17:52:381028 }
1029
1030 if (pending_entry_ && pending_entry_index_ == -1 &&
1031 pending_entry_->GetUniqueID() == params.nav_entry_id) {
1032 // In this case, we have a pending entry for a load of a new URL but Blink
creis77c9aa32015-09-25 19:59:421033 // didn't do a new navigation (params.did_create_new_entry). First check to
1034 // make sure Blink didn't treat a new cross-process navigation as inert, and
1035 // thus set params.did_create_new_entry to false. In that case, we must
1036 // treat it as NEW since the SiteInstance doesn't match the entry.
1037 if (GetLastCommittedEntry()->site_instance() != rfh->GetSiteInstance())
1038 return NAVIGATION_TYPE_NEW_PAGE;
1039
1040 // Otherwise, this happens when you press enter in the URL bar to reload. We
1041 // will create a pending entry, but Blink will convert it to a reload since
1042 // it's the same page and not create a new entry for it (the user doesn't
1043 // want to have a new back/forward entry when they do this). Therefore we
1044 // want to just ignore the pending entry and go back to where we were (the
1045 // "existing entry").
1046 // TODO(creis,avi): Eliminate SAME_PAGE in https://crbug.com/536102.
avi7c6f35e2015-05-08 17:52:381047 return NAVIGATION_TYPE_SAME_PAGE;
1048 }
1049
1050 if (params.intended_as_new_entry) {
1051 // This was intended to be a navigation to a new entry but the pending entry
1052 // got cleared in the meanwhile. Classify as EXISTING_PAGE because we may or
1053 // may not have a pending entry.
1054 return NAVIGATION_TYPE_EXISTING_PAGE;
1055 }
1056
1057 if (params.url_is_unreachable && failed_pending_entry_id_ != 0 &&
1058 params.nav_entry_id == failed_pending_entry_id_) {
1059 // If the renderer was going to a new pending entry that got cleared because
1060 // of an error, this is the case of the user trying to retry a failed load
1061 // by pressing return. Classify as EXISTING_PAGE because we probably don't
1062 // have a pending entry.
1063 return NAVIGATION_TYPE_EXISTING_PAGE;
1064 }
1065
1066 // Now we know that the notification is for an existing page. Find that entry.
1067 int existing_entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
1068 if (existing_entry_index == -1) {
avi5cad4912015-06-19 05:25:441069 // The renderer has committed a navigation to an entry that no longer
1070 // exists. Because the renderer is showing that page, resurrect that entry.
1071 return NAVIGATION_TYPE_NEW_PAGE;
avi7c6f35e2015-05-08 17:52:381072 }
1073
avi7c6f35e2015-05-08 17:52:381074 // Since we weeded out "new" navigations above, we know this is an existing
1075 // (back/forward) navigation.
1076 return NAVIGATION_TYPE_EXISTING_PAGE;
1077}
1078
[email protected]d202a7c2012-01-04 07:53:471079void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321080 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221081 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221082 bool replace_entry) {
avi25764702015-06-23 15:43:371083 scoped_ptr<NavigationEntryImpl> new_entry;
[email protected]f1eb87a2011-05-06 17:49:411084 bool update_virtual_url;
[email protected]6dd86ab2013-02-27 00:30:341085 // Only make a copy of the pending entry if it is appropriate for the new page
1086 // that was just loaded. We verify this at a coarse grain by checking that
avi5cad4912015-06-19 05:25:441087 // the SiteInstance hasn't been assigned to something else, and by making sure
1088 // that the pending entry was intended as a new entry (rather than being a
1089 // history navigation that was interrupted by an unrelated, renderer-initiated
1090 // navigation).
1091 if (pending_entry_ && pending_entry_index_ == -1 &&
[email protected]6dd86ab2013-02-27 00:30:341092 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431093 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351094 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431095
[email protected]f1eb87a2011-05-06 17:49:411096 update_virtual_url = new_entry->update_virtual_url_with_url();
[email protected]e9ba4472008-09-14 15:42:431097 } else {
avi25764702015-06-23 15:43:371098 new_entry = make_scoped_ptr(new NavigationEntryImpl);
[email protected]f8f93eb2012-09-25 03:06:241099
1100 // Find out whether the new entry needs to update its virtual URL on URL
1101 // change and set up the entry accordingly. This is needed to correctly
1102 // update the virtual URL when replaceState is called after a pushState.
1103 GURL url = params.url;
1104 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431105 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1106 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241107 new_entry->set_update_virtual_url_with_url(needs_update);
1108
[email protected]f1eb87a2011-05-06 17:49:411109 // When navigating to a new page, give the browser URL handler a chance to
1110 // update the virtual URL based on the new URL. For example, this is needed
1111 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1112 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241113 update_virtual_url = needs_update;
[email protected]e9ba4472008-09-14 15:42:431114 }
1115
wjmaclean7431bb22015-02-19 14:53:431116 // Don't use the page type from the pending entry. Some interstitial page
1117 // may have set the type to interstitial. Once we commit, however, the page
1118 // type must always be normal or error.
1119 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1120 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041121 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411122 if (update_virtual_url)
avi25764702015-06-23 15:43:371123 UpdateVirtualURLToURL(new_entry.get(), params.url);
[email protected]022af742011-12-28 18:37:251124 new_entry->SetReferrer(params.referrer);
[email protected]36fc0392011-12-25 03:59:511125 new_entry->SetPageID(params.page_id);
[email protected]022af742011-12-28 18:37:251126 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331127 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431128 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]36fc0392011-12-25 03:59:511129 new_entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051130 new_entry->SetPostID(params.post_id);
[email protected]7c16976c2012-08-04 02:38:231131 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221132 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431133
creis8b5cd4c2015-06-19 00:11:081134 // Update the FrameNavigationEntry for new main frame commits.
1135 FrameNavigationEntry* frame_entry =
1136 new_entry->GetFrameEntry(rfh->frame_tree_node());
creis6d752c32015-11-10 01:59:431137 frame_entry->set_frame_unique_name(params.frame_unique_name);
creis8b5cd4c2015-06-19 00:11:081138 frame_entry->set_item_sequence_number(params.item_sequence_number);
1139 frame_entry->set_document_sequence_number(params.document_sequence_number);
1140
[email protected]ff64b3e2014-05-31 04:07:331141 // history.pushState() is classified as a navigation to a new page, but
1142 // sets was_within_same_page to true. In this case, we already have the
[email protected]3a868f212014-08-09 10:41:191143 // title and favicon available, so set them immediately.
1144 if (params.was_within_same_page && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331145 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191146 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1147 }
[email protected]ff64b3e2014-05-31 04:07:331148
[email protected]60d6cca2013-04-30 08:47:131149 DCHECK(!params.history_list_was_cleared || !replace_entry);
1150 // The browser requested to clear the session history when it initiated the
1151 // navigation. Now we know that the renderer has updated its state accordingly
1152 // and it is safe to also clear the browser side history.
1153 if (params.history_list_was_cleared) {
1154 DiscardNonCommittedEntriesInternal();
1155 entries_.clear();
1156 last_committed_entry_index_ = -1;
1157 }
1158
avi25764702015-06-23 15:43:371159 InsertOrReplaceEntry(new_entry.Pass(), replace_entry);
[email protected]e9ba4472008-09-14 15:42:431160}
1161
[email protected]d202a7c2012-01-04 07:53:471162void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321163 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221164 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431165 // We should only get here for main frame navigations.
avi39c1edd32015-06-04 20:06:001166 DCHECK(!rfh->GetParent());
[email protected]e9ba4472008-09-14 15:42:431167
avicbdc4c12015-07-01 16:07:111168 NavigationEntryImpl* entry;
1169 if (params.intended_as_new_entry) {
1170 // This was intended as a new entry but the pending entry was lost in the
1171 // meanwhile and no new page was created. We are stuck at the last committed
1172 // entry.
1173 entry = GetLastCommittedEntry();
1174 } else if (params.nav_entry_id) {
1175 // This is a browser-initiated navigation (back/forward/reload).
1176 entry = GetEntryWithUniqueID(params.nav_entry_id);
1177 } else {
1178 // This is renderer-initiated. The only kinds of renderer-initated
1179 // navigations that are EXISTING_PAGE are reloads and location.replace,
1180 // which land us at the last committed entry.
1181 entry = GetLastCommittedEntry();
1182 }
1183 DCHECK(entry);
[email protected]e9ba4472008-09-14 15:42:431184
[email protected]5ccd4dc2012-10-24 02:28:141185 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431186 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1187 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041188 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201189 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321190 if (entry->update_virtual_url_with_url())
1191 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141192
1193 // The redirected to page should not inherit the favicon from the previous
1194 // page.
Sylvain Defresnec6ccc77d2014-09-19 10:19:351195 if (ui::PageTransitionIsRedirect(params.transition))
[email protected]91a4ff82012-10-29 20:29:481196 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141197
1198 // The site instance will normally be the same except during session restore,
1199 // when no site instance will be assigned.
fdegans9caf66a2015-07-30 21:10:421200 DCHECK(entry->site_instance() == nullptr ||
[email protected]27dd82fd2014-03-03 22:11:431201 entry->site_instance() == rfh->GetSiteInstance());
[email protected]b6583592012-01-25 19:52:331202 entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431203 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]e9ba4472008-09-14 15:42:431204
[email protected]36fc0392011-12-25 03:59:511205 entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051206 entry->SetPostID(params.post_id);
[email protected]d5a49e52010-01-08 03:01:411207
[email protected]e9ba4472008-09-14 15:42:431208 // The entry we found in the list might be pending if the user hit
1209 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591210 // list, we can just discard the pending pointer). We should also discard the
1211 // pending entry if it corresponds to a different navigation, since that one
1212 // is now likely canceled. If it is not canceled, we will treat it as a new
1213 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431214 //
1215 // Note that we need to use the "internal" version since we don't want to
1216 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491217 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391218
[email protected]80858db52009-10-15 00:35:181219 // If a transient entry was removed, the indices might have changed, so we
1220 // have to query the entry index again.
avicbdc4c12015-07-01 16:07:111221 last_committed_entry_index_ = GetIndexOfEntry(entry);
[email protected]e9ba4472008-09-14 15:42:431222}
1223
[email protected]d202a7c2012-01-04 07:53:471224void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321225 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221226 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
aviaf5660962015-06-30 15:12:291227 // This classification says that we have a pending entry that's the same as
1228 // the last committed entry. This entry is guaranteed to exist by
[email protected]4c27ba82008-09-24 16:49:091229 // ClassifyNavigation. All we need to do is update the existing entry.
aviaf5660962015-06-30 15:12:291230 NavigationEntryImpl* existing_entry = GetLastCommittedEntry();
[email protected]e9ba4472008-09-14 15:42:431231
creis77c9aa32015-09-25 19:59:421232 // If we classified this correctly, the SiteInstance should not have changed.
1233 CHECK_EQ(existing_entry->site_instance(), rfh->GetSiteInstance());
1234
[email protected]e9ba4472008-09-14 15:42:431235 // We assign the entry's unique ID to be that of the new one. Since this is
1236 // always the result of a user action, we want to dismiss infobars, etc. like
1237 // a regular user-initiated navigation.
creis77c9aa32015-09-25 19:59:421238 DCHECK_EQ(pending_entry_->GetUniqueID(), params.nav_entry_id);
[email protected]36fc0392011-12-25 03:59:511239 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431240
[email protected]a0e69262009-06-03 19:08:481241 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431242 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1243 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321244 if (existing_entry->update_virtual_url_with_url())
1245 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041246 existing_entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201247 existing_entry->SetReferrer(params.referrer);
[email protected]a0e69262009-06-03 19:08:481248
[email protected]b77686522013-12-11 20:34:191249 // The page may have been requested with a different HTTP method.
1250 existing_entry->SetHasPostData(params.is_post);
1251 existing_entry->SetPostID(params.post_id);
1252
[email protected]cbab76d2008-10-13 22:42:471253 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431254}
1255
[email protected]d202a7c2012-01-04 07:53:471256void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321257 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221258 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi25f5f9e2015-07-17 20:08:261259 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1260 ui::PAGE_TRANSITION_MANUAL_SUBFRAME));
[email protected]09b8f82f2009-06-16 20:22:111261
[email protected]e9ba4472008-09-14 15:42:431262 // Manual subframe navigations just get the current entry cloned so the user
1263 // can go back or forward to it. The actual subframe information will be
1264 // stored in the page state for each of those entries. This happens out of
1265 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091266 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1267 << "that a last committed entry exists.";
creis96fc55082015-06-13 06:42:381268
avi25764702015-06-23 15:43:371269 scoped_ptr<NavigationEntryImpl> new_entry;
nickd30fd962015-07-27 21:51:081270 if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis96fc55082015-06-13 06:42:381271 // Make sure new_entry takes ownership of frame_entry in a scoped_refptr.
1272 FrameNavigationEntry* frame_entry = new FrameNavigationEntry(
creis6d752c32015-11-10 01:59:431273 rfh->frame_tree_node()->frame_tree_node_id(), params.frame_unique_name,
creis8b5cd4c2015-06-19 00:11:081274 params.item_sequence_number, params.document_sequence_number,
1275 rfh->GetSiteInstance(), params.url, params.referrer);
creis96fc55082015-06-13 06:42:381276 new_entry = GetLastCommittedEntry()->CloneAndReplace(rfh->frame_tree_node(),
1277 frame_entry);
creise062d542015-08-25 02:01:551278
1279 // TODO(creis): Make sure the last committed entry always has the subframe
1280 // entry to replace, and CHECK(frame_entry->HasOneRef). For now, we might
1281 // not find the entry to replace, and new_entry will be deleted when it goes
1282 // out of scope. See https://crbug.com/522193.
creis96fc55082015-06-13 06:42:381283 } else {
1284 new_entry = GetLastCommittedEntry()->Clone();
1285 }
1286
[email protected]36fc0392011-12-25 03:59:511287 new_entry->SetPageID(params.page_id);
avi25764702015-06-23 15:43:371288 InsertOrReplaceEntry(new_entry.Pass(), false);
[email protected]e9ba4472008-09-14 15:42:431289}
1290
[email protected]d202a7c2012-01-04 07:53:471291bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321292 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221293 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291294 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1295 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1296
[email protected]e9ba4472008-09-14 15:42:431297 // We're guaranteed to have a previously committed entry, and we now need to
1298 // handle navigation inside of a subframe in it without creating a new entry.
1299 DCHECK(GetLastCommittedEntry());
1300
avi98405c22015-05-21 20:47:061301 if (params.nav_entry_id) {
caitkp420384c62015-05-28 14:34:511302 int entry_index = GetEntryIndexWithUniqueID(params.nav_entry_id);
caitkp420384c62015-05-28 14:34:511303
creis3cdc3b02015-05-29 23:00:471304 // If the |nav_entry_id| is non-zero and matches an existing entry, this is
1305 // a history auto" navigation. Update the last committed index accordingly.
1306 // If we don't recognize the |nav_entry_id|, it might be either a pending
1307 // entry for a transfer or a recently pruned entry. We'll handle it below.
1308 if (entry_index != -1 && entry_index != last_committed_entry_index_) {
avi98405c22015-05-21 20:47:061309 // Make sure that a subframe commit isn't changing the main frame's
1310 // origin. Otherwise the renderer process may be confused, leading to a
1311 // URL spoof. We can't check the path since that may change
1312 // (https://crbug.com/373041).
1313 if (GetLastCommittedEntry()->GetURL().GetOrigin() !=
1314 GetEntryAtIndex(entry_index)->GetURL().GetOrigin()) {
1315 // TODO(creis): This is unexpectedly being encountered in practice. If
1316 // you encounter this in practice, please post details to
1317 // https://crbug.com/486916. Once that's resolved, we'll change this to
1318 // kill the renderer process with bad_message::NC_AUTO_SUBFRAME.
1319 NOTREACHED() << "Unexpected main frame origin change on AUTO_SUBFRAME.";
1320 }
creis3cdc3b02015-05-29 23:00:471321
1322 // TODO(creis): Update the FrameNavigationEntry in --site-per-process.
avi98405c22015-05-21 20:47:061323 last_committed_entry_index_ = entry_index;
1324 DiscardNonCommittedEntriesInternal();
1325 return true;
1326 }
[email protected]e9ba4472008-09-14 15:42:431327 }
[email protected]f233e4232013-02-23 00:55:141328
nickd30fd962015-07-27 21:51:081329 if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis625a0c7d2015-03-24 23:17:121330 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1331 // it may be a "history auto" case where we update an existing one.
creis625a0c7d2015-03-24 23:17:121332 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
creis8b5cd4c2015-06-19 00:11:081333 last_committed->AddOrUpdateFrameEntry(
creis6d752c32015-11-10 01:59:431334 rfh->frame_tree_node(), params.frame_unique_name,
1335 params.item_sequence_number, params.document_sequence_number,
1336 rfh->GetSiteInstance(), params.url, params.referrer, params.page_state);
creis3cdc3b02015-05-29 23:00:471337
1338 // Cross-process subframe navigations may leave a pending entry around.
creisefbbbb52015-06-01 19:28:541339 // Clear it if it's actually for the subframe.
creis3cdc3b02015-05-29 23:00:471340 // TODO(creis): Don't use pending entries for subframe navigations.
creisefbbbb52015-06-01 19:28:541341 // See https://crbug.com/495161.
1342 if (pending_entry_ &&
1343 pending_entry_->frame_tree_node_id() ==
1344 rfh->frame_tree_node()->frame_tree_node_id()) {
1345 DiscardPendingEntry(false);
1346 }
creis625a0c7d2015-03-24 23:17:121347 }
1348
[email protected]f233e4232013-02-23 00:55:141349 // We do not need to discard the pending entry in this case, since we will
1350 // not generate commit notifications for this auto-subframe navigation.
[email protected]e9ba4472008-09-14 15:42:431351 return false;
1352}
1353
[email protected]d202a7c2012-01-04 07:53:471354int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231355 const NavigationEntryImpl* entry) const {
avif16f85a72015-11-13 18:25:031356 for (size_t i = 0; i < entries_.size(); ++i) {
1357 if (entries_[i].get() == entry)
1358 return i;
1359 }
1360 return -1;
[email protected]765b35502008-08-21 00:51:201361}
1362
avidb7d1d22015-06-08 21:21:501363// There are two general cases where a navigation is "in page":
1364// 1. A fragment navigation, in which the url is kept the same except for the
1365// reference fragment.
1366// 2. A history API navigation (pushState and replaceState). This case is
1367// always in-page, but the urls are not guaranteed to match excluding the
1368// fragment. The relevant spec allows pushState/replaceState to any URL on
1369// the same origin.
1370// However, due to reloads, even identical urls are *not* guaranteed to be
1371// in-page navigations, we have to trust the renderer almost entirely.
1372// The one thing we do know is that cross-origin navigations will *never* be
1373// in-page. Therefore, trust the renderer if the URLs are on the same origin,
1374// and assume the renderer is malicious if a cross-origin navigation claims to
1375// be in-page.
[email protected]ce760d742012-08-30 22:31:101376bool NavigationControllerImpl::IsURLInPageNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121377 const GURL& url,
1378 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:231379 RenderFrameHost* rfh) const {
avidb7d1d22015-06-08 21:21:501380 GURL last_committed_url;
1381 if (rfh->GetParent()) {
1382 last_committed_url = rfh->GetLastCommittedURL();
1383 } else {
1384 NavigationEntry* last_committed = GetLastCommittedEntry();
1385 // There must be a last-committed entry to compare URLs to. TODO(avi): When
1386 // might Blink say that a navigation is in-page yet there be no last-
1387 // committed entry?
1388 if (!last_committed)
1389 return false;
1390 last_committed_url = last_committed->GetURL();
1391 }
1392
1393 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
creisdc004e02015-11-20 21:28:471394 const url::Origin& committed_origin = static_cast<RenderFrameHostImpl*>(rfh)
1395 ->frame_tree_node()
1396 ->current_origin();
avidb7d1d22015-06-08 21:21:501397 bool is_same_origin = last_committed_url.is_empty() ||
1398 // TODO(japhet): We should only permit navigations
1399 // originating from about:blank to be in-page if the
1400 // about:blank is the first document that frame loaded.
1401 // We don't have sufficient information to identify
1402 // that case at the moment, so always allow about:blank
1403 // for now.
1404 last_committed_url == GURL(url::kAboutBlankURL) ||
1405 last_committed_url.GetOrigin() == url.GetOrigin() ||
1406 !prefs.web_security_enabled ||
1407 (prefs.allow_universal_access_from_file_urls &&
creisdc004e02015-11-20 21:28:471408 committed_origin.scheme() == url::kFileScheme);
avidb7d1d22015-06-08 21:21:501409 if (!is_same_origin && renderer_says_in_page) {
1410 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1411 bad_message::NC_IN_PAGE_NAVIGATION);
1412 }
1413 return is_same_origin && renderer_says_in_page;
[email protected]e9ba4472008-09-14 15:42:431414}
1415
[email protected]d202a7c2012-01-04 07:53:471416void NavigationControllerImpl::CopyStateFrom(
[email protected]c5eed492012-01-04 17:07:501417 const NavigationController& temp) {
[email protected]d202a7c2012-01-04 07:53:471418 const NavigationControllerImpl& source =
1419 static_cast<const NavigationControllerImpl&>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571420 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551421 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571422
[email protected]a26023822011-12-29 00:23:551423 if (source.GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571424 return; // Nothing new to do.
1425
1426 needs_reload_ = true;
[email protected]a26023822011-12-29 00:23:551427 InsertEntriesFrom(source, source.GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571428
[email protected]fdac6ade2013-07-20 01:06:301429 for (SessionStorageNamespaceMap::const_iterator it =
1430 source.session_storage_namespace_map_.begin();
1431 it != source.session_storage_namespace_map_.end();
1432 ++it) {
1433 SessionStorageNamespaceImpl* source_namespace =
1434 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1435 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1436 }
[email protected]4e6419c2010-01-15 04:50:341437
[email protected]2ca1ea662012-10-04 02:26:361438 FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION);
[email protected]91854cd2012-01-10 19:43:571439
1440 // Copy the max page id map from the old tab to the new tab. This ensures
1441 // that new and existing navigations in the tab's current SiteInstances
1442 // are identified properly.
[email protected]ec6c05f2013-10-23 18:41:571443 delegate_->CopyMaxPageIDsFrom(source.delegate()->GetWebContents());
[email protected]ce3fa3c2009-04-20 19:55:571444}
1445
[email protected]d202a7c2012-01-04 07:53:471446void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571447 NavigationController* temp,
1448 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161449 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011450 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161451
[email protected]d202a7c2012-01-04 07:53:471452 NavigationControllerImpl* source =
1453 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251454
avi2b177592014-12-10 02:08:021455 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011456 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251457
[email protected]474f8512013-05-31 22:31:161458 // We now have one entry, possibly with a new pending entry. Ensure that
1459 // adding the entries from source won't put us over the limit.
1460 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571461 if (!replace_entry)
1462 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251463
[email protected]47e020a2010-10-15 14:43:371464 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021465 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161466 // since it has not committed in source.
1467 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251468 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551469 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251470 else
1471 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571472
1473 // Ignore the source's current entry if merging with replacement.
1474 // TODO(davidben): This should preserve entries forward of the current
1475 // too. http://crbug.com/317872
1476 if (replace_entry && max_source_index > 0)
1477 max_source_index--;
1478
[email protected]47e020a2010-10-15 14:43:371479 InsertEntriesFrom(*source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251480
1481 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551482 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141483
avi2b177592014-12-10 02:08:021484 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1485 GetEntryCount());
[email protected]91854cd2012-01-10 19:43:571486
avi2b177592014-12-10 02:08:021487 // Copy the max page id map from the old tab to the new tab. This ensures that
1488 // new and existing navigations in the tab's current SiteInstances are
1489 // identified properly.
creis3da03872015-02-20 21:12:321490 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
avi2b177592014-12-10 02:08:021491 int32 site_max_page_id =
1492 delegate_->GetMaxPageIDForSiteInstance(last_committed->site_instance());
[email protected]ec6c05f2013-10-23 18:41:571493 delegate_->CopyMaxPageIDsFrom(source->delegate()->GetWebContents());
avi2b177592014-12-10 02:08:021494 delegate_->UpdateMaxPageIDForSiteInstance(last_committed->site_instance(),
1495 site_max_page_id);
[email protected]f69ed362014-04-28 14:01:421496 max_restored_page_id_ = source->max_restored_page_id_;
[email protected]e1cd5452010-08-26 18:03:251497}
1498
[email protected]79368982013-11-13 01:11:011499bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161500 // If there is no last committed entry, we cannot prune. Even if there is a
1501 // pending entry, it may not commit, leaving this WebContents blank, despite
1502 // possibly giving it new entries via CopyStateFromAndPrune.
1503 if (last_committed_entry_index_ == -1)
1504 return false;
[email protected]9350602e2013-02-26 23:27:441505
[email protected]474f8512013-05-31 22:31:161506 // We cannot prune if there is a pending entry at an existing entry index.
1507 // It may not commit, so we have to keep the last committed entry, and thus
1508 // there is no sensible place to keep the pending entry. It is ok to have
1509 // a new pending entry, which can optionally commit as a new navigation.
1510 if (pending_entry_index_ != -1)
1511 return false;
1512
1513 // We should not prune if we are currently showing a transient entry.
1514 if (transient_entry_index_ != -1)
1515 return false;
1516
1517 return true;
1518}
1519
[email protected]79368982013-11-13 01:11:011520void NavigationControllerImpl::PruneAllButLastCommitted() {
1521 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161522
avi2b177592014-12-10 02:08:021523 DCHECK_EQ(0, last_committed_entry_index_);
1524 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441525
avi2b177592014-12-10 02:08:021526 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1527 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441528}
1529
[email protected]79368982013-11-13 01:11:011530void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161531 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011532 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261533
[email protected]474f8512013-05-31 22:31:161534 // Erase all entries but the last committed entry. There may still be a
1535 // new pending entry after this.
1536 entries_.erase(entries_.begin(),
1537 entries_.begin() + last_committed_entry_index_);
1538 entries_.erase(entries_.begin() + 1, entries_.end());
1539 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261540}
1541
[email protected]15f46dc2013-01-24 05:40:241542void NavigationControllerImpl::ClearAllScreenshots() {
[email protected]1a3f5312013-04-26 21:00:101543 screenshot_manager_->ClearAllScreenshots();
[email protected]15f46dc2013-01-24 05:40:241544}
1545
[email protected]d1198fd2012-08-13 22:50:191546void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:301547 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:211548 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:191549 if (!session_storage_namespace)
1550 return;
1551
1552 // We can't overwrite an existing SessionStorage without violating spec.
1553 // Attempts to do so may give a tab access to another tab's session storage
1554 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:301555 bool successful_insert = session_storage_namespace_map_.insert(
1556 make_pair(partition_id,
1557 static_cast<SessionStorageNamespaceImpl*>(
1558 session_storage_namespace)))
1559 .second;
1560 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:191561}
1562
[email protected]d202a7c2012-01-04 07:53:471563void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) {
[email protected]71fde352011-12-29 03:29:561564 max_restored_page_id_ = max_id;
1565}
1566
[email protected]d202a7c2012-01-04 07:53:471567int32 NavigationControllerImpl::GetMaxRestoredPageID() const {
[email protected]71fde352011-12-29 03:29:561568 return max_restored_page_id_;
[email protected]a26023822011-12-29 00:23:551569}
1570
[email protected]aa62afd2014-04-22 19:22:461571bool NavigationControllerImpl::IsUnmodifiedBlankTab() const {
[email protected]aa62afd2014-04-22 19:22:461572 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:101573 !GetLastCommittedEntry() &&
1574 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:461575}
1576
[email protected]a26023822011-12-29 00:23:551577SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:301578NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
1579 std::string partition_id;
1580 if (instance) {
1581 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
1582 // this if statement so |instance| must not be NULL.
1583 partition_id =
1584 GetContentClient()->browser()->GetStoragePartitionIdForSite(
1585 browser_context_, instance->GetSiteURL());
1586 }
[email protected]d1198fd2012-08-13 22:50:191587
[email protected]fdac6ade2013-07-20 01:06:301588 SessionStorageNamespaceMap::const_iterator it =
1589 session_storage_namespace_map_.find(partition_id);
1590 if (it != session_storage_namespace_map_.end())
1591 return it->second.get();
1592
1593 // Create one if no one has accessed session storage for this partition yet.
1594 //
1595 // TODO(ajwong): Should this use the |partition_id| directly rather than
1596 // re-lookup via |instance|? http://crbug.com/142685
1597 StoragePartition* partition =
1598 BrowserContext::GetStoragePartition(browser_context_, instance);
1599 SessionStorageNamespaceImpl* session_storage_namespace =
1600 new SessionStorageNamespaceImpl(
[email protected]5f2aa722013-08-07 16:59:411601 static_cast<DOMStorageContextWrapper*>(
[email protected]fdac6ade2013-07-20 01:06:301602 partition->GetDOMStorageContext()));
1603 session_storage_namespace_map_[partition_id] = session_storage_namespace;
1604
1605 return session_storage_namespace;
1606}
1607
1608SessionStorageNamespace*
1609NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
1610 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
1611 return GetSessionStorageNamespace(NULL);
1612}
1613
1614const SessionStorageNamespaceMap&
1615NavigationControllerImpl::GetSessionStorageNamespaceMap() const {
1616 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:551617}
[email protected]d202a7c2012-01-04 07:53:471618
1619bool NavigationControllerImpl::NeedsReload() const {
[email protected]71fde352011-12-29 03:29:561620 return needs_reload_;
1621}
[email protected]a26023822011-12-29 00:23:551622
[email protected]46bb5e9c2013-10-03 22:16:471623void NavigationControllerImpl::SetNeedsReload() {
1624 needs_reload_ = true;
jaekyunc8cefa82015-01-09 20:14:541625
1626 if (last_committed_entry_index_ != -1) {
1627 entries_[last_committed_entry_index_]->SetTransitionType(
1628 ui::PAGE_TRANSITION_RELOAD);
1629 }
[email protected]46bb5e9c2013-10-03 22:16:471630}
1631
[email protected]d202a7c2012-01-04 07:53:471632void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:551633 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:121634 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:311635
1636 DiscardNonCommittedEntries();
1637
1638 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:121639 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:311640 last_committed_entry_index_--;
1641}
1642
[email protected]d202a7c2012-01-04 07:53:471643void NavigationControllerImpl::DiscardNonCommittedEntries() {
[email protected]cbab76d2008-10-13 22:42:471644 bool transient = transient_entry_index_ != -1;
1645 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:291646
[email protected]cbab76d2008-10-13 22:42:471647 // If there was a transient entry, invalidate everything so the new active
1648 // entry state is shown.
1649 if (transient) {
[email protected]7f924832014-08-09 05:57:221650 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:471651 }
initial.commit09911bf2008-07-26 23:55:291652}
1653
creis3da03872015-02-20 21:12:321654NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() const {
[email protected]022af742011-12-28 18:37:251655 return pending_entry_;
1656}
1657
[email protected]d202a7c2012-01-04 07:53:471658int NavigationControllerImpl::GetPendingEntryIndex() const {
[email protected]a26023822011-12-29 00:23:551659 return pending_entry_index_;
1660}
1661
avi25764702015-06-23 15:43:371662void NavigationControllerImpl::InsertOrReplaceEntry(
1663 scoped_ptr<NavigationEntryImpl> entry, bool replace) {
Sylvain Defresnec6ccc77d2014-09-19 10:19:351664 DCHECK(entry->GetTransitionType() != ui::PAGE_TRANSITION_AUTO_SUBFRAME);
[email protected]765b35502008-08-21 00:51:201665
avi5cad4912015-06-19 05:25:441666 // If the pending_entry_index_ is -1, the navigation was to a new page, and we
1667 // need to keep continuity with the pending entry, so copy the pending entry's
1668 // unique ID to the committed entry. If the pending_entry_index_ isn't -1,
1669 // then the renderer navigated on its own, independent of the pending entry,
1670 // so don't copy anything.
1671 if (pending_entry_ && pending_entry_index_ == -1)
1672 entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]765b35502008-08-21 00:51:201673
[email protected]cbab76d2008-10-13 22:42:471674 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:201675
1676 int current_size = static_cast<int>(entries_.size());
creisee17e932015-07-17 17:56:221677
1678 // When replacing, don't prune the forward history.
creis37979a62015-08-04 19:48:181679 if (replace && current_size > 0) {
creisee17e932015-07-17 17:56:221680 int32 page_id = entry->GetPageID();
1681
avif16f85a72015-11-13 18:25:031682 entries_[last_committed_entry_index_] = entry.Pass();
creisee17e932015-07-17 17:56:221683
1684 // This is a new page ID, so we need everybody to know about it.
1685 delegate_->UpdateMaxPageID(page_id);
1686 return;
1687 }
[email protected]765b35502008-08-21 00:51:201688
creis37979a62015-08-04 19:48:181689 // We shouldn't see replace == true when there's no committed entries.
1690 DCHECK(!replace);
1691
[email protected]765b35502008-08-21 00:51:201692 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:451693 // Prune any entries which are in front of the current entry.
[email protected]47dcbdc2011-05-27 15:08:311694 // last_committed_entry_index_ must be updated here since calls to
1695 // NotifyPrunedEntries() below may re-enter and we must make sure
1696 // last_committed_entry_index_ is not left in an invalid state.
[email protected]c12bf1a12008-09-17 16:28:491697 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:311698 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:491699 num_pruned++;
[email protected]765b35502008-08-21 00:51:201700 entries_.pop_back();
1701 current_size--;
1702 }
[email protected]c12bf1a12008-09-17 16:28:491703 if (num_pruned > 0) // Only notify if we did prune something.
1704 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:201705 }
1706
[email protected]944822b2012-03-02 20:57:251707 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:201708
avi25764702015-06-23 15:43:371709 int32 page_id = entry->GetPageID();
1710 entries_.push_back(entry.Pass());
[email protected]765b35502008-08-21 00:51:201711 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
[email protected]e9ba4472008-09-14 15:42:431712
1713 // This is a new page ID, so we need everybody to know about it.
avi25764702015-06-23 15:43:371714 delegate_->UpdateMaxPageID(page_id);
initial.commit09911bf2008-07-26 23:55:291715}
1716
[email protected]944822b2012-03-02 20:57:251717void NavigationControllerImpl::PruneOldestEntryIfFull() {
1718 if (entries_.size() >= max_entry_count()) {
1719 DCHECK_EQ(max_entry_count(), entries_.size());
[email protected]e6fec472013-05-14 05:29:021720 DCHECK_GT(last_committed_entry_index_, 0);
[email protected]944822b2012-03-02 20:57:251721 RemoveEntryAtIndex(0);
1722 NotifyPrunedEntries(this, true, 1);
1723 }
1724}
1725
[email protected]d202a7c2012-01-04 07:53:471726void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
[email protected]72097fd02010-01-21 23:36:011727 needs_reload_ = false;
1728
[email protected]83c2e232011-10-07 21:36:461729 // If we were navigating to a slow-to-commit page, and the user performs
1730 // a session history navigation to the last committed page, RenderViewHost
1731 // will force the throbber to start, but WebKit will essentially ignore the
1732 // navigation, and won't send a message to stop the throbber. To prevent this
1733 // from happening, we drop the navigation here and stop the slow-to-commit
1734 // page from loading (which would normally happen during the navigation).
1735 if (pending_entry_index_ != -1 &&
1736 pending_entry_index_ == last_committed_entry_index_ &&
1737 (entries_[pending_entry_index_]->restore_type() ==
[email protected]10f417c52011-12-28 21:04:231738 NavigationEntryImpl::RESTORE_NONE) &&
[email protected]36fc0392011-12-25 03:59:511739 (entries_[pending_entry_index_]->GetTransitionType() &
Sylvain Defresnec6ccc77d2014-09-19 10:19:351740 ui::PAGE_TRANSITION_FORWARD_BACK)) {
[email protected]ec6c05f2013-10-23 18:41:571741 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:121742
1743 // If an interstitial page is showing, we want to close it to get back
1744 // to what was showing before.
[email protected]ec6c05f2013-10-23 18:41:571745 if (delegate_->GetInterstitialPage())
1746 delegate_->GetInterstitialPage()->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:121747
[email protected]83c2e232011-10-07 21:36:461748 DiscardNonCommittedEntries();
1749 return;
1750 }
1751
[email protected]6a13a6c2011-12-20 21:47:121752 // If an interstitial page is showing, the previous renderer is blocked and
1753 // cannot make new requests. Unblock (and disable) it to allow this
1754 // navigation to succeed. The interstitial will stay visible until the
1755 // resulting DidNavigate.
[email protected]ec6c05f2013-10-23 18:41:571756 if (delegate_->GetInterstitialPage()) {
1757 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())->
[email protected]cadaec52012-02-08 21:53:131758 CancelForNavigation();
1759 }
[email protected]6a13a6c2011-12-20 21:47:121760
initial.commit09911bf2008-07-26 23:55:291761 // For session history navigations only the pending_entry_index_ is set.
1762 if (!pending_entry_) {
avicc872d7242015-08-19 21:26:341763 CHECK_NE(pending_entry_index_, -1);
avif16f85a72015-11-13 18:25:031764 pending_entry_ = entries_[pending_entry_index_].get();
initial.commit09911bf2008-07-26 23:55:291765 }
1766
creiscf40d9c2015-09-11 18:20:541767 // Any renderer-side debug URLs or javascript: URLs should be ignored if the
1768 // renderer process is not live, unless it is the initial navigation of the
1769 // tab.
1770 if (IsRendererDebugURL(pending_entry_->GetURL())) {
1771 // TODO(creis): Find the RVH for the correct frame.
1772 if (!delegate_->GetRenderViewHost()->IsRenderViewLive() &&
1773 !IsInitialNavigation()) {
1774 DiscardNonCommittedEntries();
1775 return;
1776 }
1777 }
1778
[email protected]40fd3032014-02-28 22:16:281779 // This call does not support re-entrancy. See http://crbug.com/347742.
1780 CHECK(!in_navigate_to_pending_entry_);
1781 in_navigate_to_pending_entry_ = true;
creis4e2ecb72015-06-20 00:46:301782 bool success = NavigateToPendingEntryInternal(reload_type);
[email protected]40fd3032014-02-28 22:16:281783 in_navigate_to_pending_entry_ = false;
1784
1785 if (!success)
[email protected]cbab76d2008-10-13 22:42:471786 DiscardNonCommittedEntries();
initial.commit09911bf2008-07-26 23:55:291787}
1788
creis4e2ecb72015-06-20 00:46:301789bool NavigationControllerImpl::NavigateToPendingEntryInternal(
1790 ReloadType reload_type) {
1791 DCHECK(pending_entry_);
1792 FrameTreeNode* root = delegate_->GetFrameTree()->root();
1793
1794 // In default Chrome, there are no subframe FrameNavigationEntries. Either
1795 // navigate the main frame or use the main frame's FrameNavigationEntry to
1796 // tell the indicated frame where to go.
nickd30fd962015-07-27 21:51:081797 if (!SiteIsolationPolicy::UseSubframeNavigationEntries()) {
creis4e2ecb72015-06-20 00:46:301798 FrameNavigationEntry* frame_entry = GetPendingEntry()->GetFrameEntry(root);
1799 FrameTreeNode* frame = root;
1800 int ftn_id = GetPendingEntry()->frame_tree_node_id();
1801 if (ftn_id != -1) {
1802 frame = delegate_->GetFrameTree()->FindByID(ftn_id);
1803 DCHECK(frame);
1804 }
1805 return frame->navigator()->NavigateToPendingEntry(frame, *frame_entry,
1806 reload_type, false);
1807 }
1808
1809 // In --site-per-process, we compare FrameNavigationEntries to see which
1810 // frames in the tree need to be navigated.
1811 FrameLoadVector same_document_loads;
1812 FrameLoadVector different_document_loads;
1813 if (GetLastCommittedEntry()) {
1814 FindFramesToNavigate(root, &same_document_loads, &different_document_loads);
1815 }
1816
1817 if (same_document_loads.empty() && different_document_loads.empty()) {
1818 // If we don't have any frames to navigate at this point, either
1819 // (1) there is no previous history entry to compare against, or
1820 // (2) we were unable to match any frames by name. In the first case,
1821 // doing a different document navigation to the root item is the only valid
1822 // thing to do. In the second case, we should have been able to find a
1823 // frame to navigate based on names if this were a same document
1824 // navigation, so we can safely assume this is the different document case.
1825 different_document_loads.push_back(
1826 std::make_pair(root, pending_entry_->GetFrameEntry(root)));
1827 }
1828
1829 // If all the frame loads fail, we will discard the pending entry.
1830 bool success = false;
1831
1832 // Send all the same document frame loads before the different document loads.
1833 for (const auto& item : same_document_loads) {
1834 FrameTreeNode* frame = item.first;
1835 success |= frame->navigator()->NavigateToPendingEntry(frame, *item.second,
1836 reload_type, true);
1837 }
1838 for (const auto& item : different_document_loads) {
1839 FrameTreeNode* frame = item.first;
1840 success |= frame->navigator()->NavigateToPendingEntry(frame, *item.second,
1841 reload_type, false);
1842 }
1843 return success;
1844}
1845
1846void NavigationControllerImpl::FindFramesToNavigate(
1847 FrameTreeNode* frame,
1848 FrameLoadVector* same_document_loads,
1849 FrameLoadVector* different_document_loads) {
1850 DCHECK(pending_entry_);
1851 DCHECK_GE(last_committed_entry_index_, 0);
1852 FrameNavigationEntry* new_item = pending_entry_->GetFrameEntry(frame);
1853 FrameNavigationEntry* old_item =
1854 GetLastCommittedEntry()->GetFrameEntry(frame);
1855 if (!new_item)
1856 return;
1857
1858 // Schedule a load in this frame if the new item isn't for the same item
creis7115a702015-12-03 18:55:561859 // sequence number in the same SiteInstance. Newly restored items may not have
1860 // a SiteInstance yet, in which case it will be assigned on first commit.
creis4e2ecb72015-06-20 00:46:301861 if (!old_item ||
1862 new_item->item_sequence_number() != old_item->item_sequence_number() ||
creis7115a702015-12-03 18:55:561863 (new_item->site_instance() != nullptr &&
1864 new_item->site_instance() != old_item->site_instance())) {
creis4e2ecb72015-06-20 00:46:301865 if (old_item &&
creis4e2ecb72015-06-20 00:46:301866 new_item->document_sequence_number() ==
1867 old_item->document_sequence_number()) {
1868 same_document_loads->push_back(std::make_pair(frame, new_item));
1869 } else {
1870 different_document_loads->push_back(std::make_pair(frame, new_item));
1871 }
1872 return;
1873 }
1874
1875 for (size_t i = 0; i < frame->child_count(); i++) {
1876 FindFramesToNavigate(frame->child_at(i), same_document_loads,
1877 different_document_loads);
1878 }
1879}
1880
[email protected]d202a7c2012-01-04 07:53:471881void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:211882 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:271883 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:401884
[email protected]2db9bd72012-04-13 20:20:561885 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:401886 // location bar will have up-to-date information about the security style
1887 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:131888 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:401889
[email protected]7f924832014-08-09 05:57:221890 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:571891 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:461892
[email protected]b0f724c2013-09-05 04:21:131893 // TODO(avi): Remove. http://crbug.com/170921
1894 NotificationDetails notification_details =
1895 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:211896 NotificationService::current()->Notify(
1897 NOTIFICATION_NAV_ENTRY_COMMITTED,
1898 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:401899 notification_details);
initial.commit09911bf2008-07-26 23:55:291900}
1901
initial.commit09911bf2008-07-26 23:55:291902// static
[email protected]d202a7c2012-01-04 07:53:471903size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:231904 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
1905 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:211906 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:231907}
1908
[email protected]d202a7c2012-01-04 07:53:471909void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:221910 if (is_active && needs_reload_)
1911 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:291912}
1913
[email protected]d202a7c2012-01-04 07:53:471914void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:291915 if (!needs_reload_)
1916 return;
1917
initial.commit09911bf2008-07-26 23:55:291918 // Calling Reload() results in ignoring state, and not loading.
1919 // Explicitly use NavigateToPendingEntry so that the renderer uses the
1920 // cached state.
avicc872d7242015-08-19 21:26:341921 if (pending_entry_) {
1922 NavigateToPendingEntry(NO_RELOAD);
1923 } else if (last_committed_entry_index_ != -1) {
1924 pending_entry_index_ = last_committed_entry_index_;
1925 NavigateToPendingEntry(NO_RELOAD);
1926 } else {
1927 // If there is something to reload, the successful reload will clear the
1928 // |needs_reload_| flag. Otherwise, just do it here.
1929 needs_reload_ = false;
1930 }
initial.commit09911bf2008-07-26 23:55:291931}
1932
avi47179332015-05-20 21:01:111933void NavigationControllerImpl::NotifyEntryChanged(
1934 const NavigationEntry* entry) {
[email protected]8ff00d72012-10-23 19:12:211935 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:091936 det.changed_entry = entry;
avi47179332015-05-20 21:01:111937 det.index = GetIndexOfEntry(
1938 NavigationEntryImpl::FromNavigationEntry(entry));
[email protected]8ff00d72012-10-23 19:12:211939 NotificationService::current()->Notify(
1940 NOTIFICATION_NAV_ENTRY_CHANGED,
1941 Source<NavigationController>(this),
1942 Details<EntryChangedDetails>(&det));
initial.commit09911bf2008-07-26 23:55:291943}
1944
[email protected]d202a7c2012-01-04 07:53:471945void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:361946 RestoreType type) {
[email protected]a26023822011-12-29 00:23:551947 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:361948 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:291949
[email protected]71fde352011-12-29 03:29:561950 SetMaxRestoredPageID(static_cast<int32>(GetEntryCount()));
initial.commit09911bf2008-07-26 23:55:291951
1952 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:291953}
[email protected]765b35502008-08-21 00:51:201954
[email protected]d202a7c2012-01-04 07:53:471955void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:451956 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:481957 DiscardTransientEntry();
1958}
1959
avi45a72532015-04-07 21:01:451960void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
[email protected]40fd3032014-02-28 22:16:281961 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
[email protected]e7fee58a2014-04-11 19:51:401962 // progress, since this will cause a use-after-free. (We only allow this
1963 // when the tab is being destroyed for shutdown, since it won't return to
1964 // NavigateToEntry in that case.) http://crbug.com/347742.
1965 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
[email protected]40fd3032014-02-28 22:16:281966
avi45a72532015-04-07 21:01:451967 if (was_failure && pending_entry_) {
1968 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
1969 failed_pending_entry_should_replace_ =
1970 pending_entry_->should_replace_entry();
1971 } else {
1972 failed_pending_entry_id_ = 0;
1973 }
1974
[email protected]765b35502008-08-21 00:51:201975 if (pending_entry_index_ == -1)
1976 delete pending_entry_;
1977 pending_entry_ = NULL;
1978 pending_entry_index_ = -1;
[email protected]cbab76d2008-10-13 22:42:471979}
1980
[email protected]d202a7c2012-01-04 07:53:471981void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:471982 if (transient_entry_index_ == -1)
1983 return;
[email protected]a0e69262009-06-03 19:08:481984 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:181985 if (last_committed_entry_index_ > transient_entry_index_)
1986 last_committed_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:471987 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:201988}
1989
[email protected]d202a7c2012-01-04 07:53:471990int NavigationControllerImpl::GetEntryIndexWithPageID(
[email protected]7f0005a2009-04-15 03:25:111991 SiteInstance* instance, int32 page_id) const {
[email protected]765b35502008-08-21 00:51:201992 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
[email protected]7f0005a2009-04-15 03:25:111993 if ((entries_[i]->site_instance() == instance) &&
[email protected]36fc0392011-12-25 03:59:511994 (entries_[i]->GetPageID() == page_id))
[email protected]765b35502008-08-21 00:51:201995 return i;
1996 }
1997 return -1;
1998}
[email protected]cbab76d2008-10-13 22:42:471999
avi7c6f35e2015-05-08 17:52:382000int NavigationControllerImpl::GetEntryIndexWithUniqueID(
2001 int nav_entry_id) const {
2002 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
2003 if (entries_[i]->GetUniqueID() == nav_entry_id)
2004 return i;
2005 }
2006 return -1;
2007}
2008
creis3da03872015-02-20 21:12:322009NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() const {
[email protected]cbab76d2008-10-13 22:42:472010 if (transient_entry_index_ == -1)
2011 return NULL;
avif16f85a72015-11-13 18:25:032012 return entries_[transient_entry_index_].get();
[email protected]cbab76d2008-10-13 22:42:472013}
[email protected]e1cd5452010-08-26 18:03:252014
avi25764702015-06-23 15:43:372015void NavigationControllerImpl::SetTransientEntry(
2016 scoped_ptr<NavigationEntry> entry) {
[email protected]0b684262013-02-20 02:18:212017 // Discard any current transient entry, we can only have one at a time.
2018 int index = 0;
2019 if (last_committed_entry_index_ != -1)
2020 index = last_committed_entry_index_ + 1;
2021 DiscardTransientEntry();
avi25764702015-06-23 15:43:372022 entries_.insert(entries_.begin() + index,
avif16f85a72015-11-13 18:25:032023 NavigationEntryImpl::FromNavigationEntry(entry.Pass()));
[email protected]0b684262013-02-20 02:18:212024 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:222025 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:212026}
2027
[email protected]d202a7c2012-01-04 07:53:472028void NavigationControllerImpl::InsertEntriesFrom(
2029 const NavigationControllerImpl& source,
[email protected]e1cd5452010-08-26 18:03:252030 int max_index) {
[email protected]a26023822011-12-29 00:23:552031 DCHECK_LE(max_index, source.GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:252032 size_t insert_index = 0;
2033 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:352034 // When cloning a tab, copy all entries except interstitial pages.
avi25764702015-06-23 15:43:372035 if (source.entries_[i]->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
creisef4a0cb2015-03-12 19:14:352036 // TODO(creis): Once we start sharing FrameNavigationEntries between
2037 // NavigationEntries, it will not be safe to share them with another tab.
2038 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:252039 entries_.insert(entries_.begin() + insert_index++,
avi25764702015-06-23 15:43:372040 source.entries_[i]->Clone().Pass());
[email protected]e1cd5452010-08-26 18:03:252041 }
2042 }
2043}
[email protected]c5b88d82012-10-06 17:03:332044
2045void NavigationControllerImpl::SetGetTimestampCallbackForTest(
2046 const base::Callback<base::Time()>& get_timestamp_callback) {
2047 get_timestamp_callback_ = get_timestamp_callback;
2048}
[email protected]8ff00d72012-10-23 19:12:212049
2050} // namespace content