blob: 0b0f411a1a041f52893e84357af935f7fe81c0df [file] [log] [blame]
[email protected]d4a8ca482013-10-30 21:06:401// Copyright 2013 The Chromium Authors. All rights reserved.
license.botbf09a502008-08-24 00:55:552// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
initial.commit09911bf2008-07-26 23:55:294
[email protected]d4a8ca482013-10-30 21:06:405#include "content/browser/frame_host/navigation_controller_impl.h"
initial.commit09911bf2008-07-26 23:55:296
[email protected]c5b88d82012-10-06 17:03:337#include "base/bind.h"
[email protected]eabfe1912014-05-12 10:07:288#include "base/command_line.h"
initial.commit09911bf2008-07-26 23:55:299#include "base/logging.h"
[email protected]d6def3d2014-05-19 18:55:3210#include "base/metrics/histogram.h"
[email protected]348fbaac2013-06-11 06:31:5111#include "base/strings/string_number_conversions.h" // Temporary
12#include "base/strings/string_util.h"
[email protected]74ebfb12013-06-07 20:48:0013#include "base/strings/utf_string_conversions.h"
[email protected]a43858f2013-06-28 15:18:3714#include "base/time/time.h"
ssid3e765612015-01-28 04:03:4215#include "base/trace_event/trace_event.h"
[email protected]eabfe1912014-05-12 10:07:2816#include "cc/base/switches.h"
[email protected]825b1662012-03-12 19:07:3117#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4118#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0419#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]d4a8ca482013-10-30 21:06:4020#include "content/browser/frame_host/debug_urls.h"
21#include "content/browser/frame_host/interstitial_page_impl.h"
22#include "content/browser/frame_host/navigation_entry_impl.h"
[email protected]d1581d72013-11-05 19:11:2623#include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
[email protected]b3c41c0b2012-03-06 15:48:3224#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary
[email protected]b6583592012-01-25 19:52:3325#include "content/browser/site_instance_impl.h"
[email protected]37567b432014-02-12 01:12:2226#include "content/common/frame_messages.h"
[email protected]0aed2f52011-03-23 18:06:3627#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1128#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1929#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4630#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0031#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3832#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1633#include "content/public/browser/notification_types.h"
[email protected]9677a3c2012-12-22 04:18:5834#include "content/public/browser/render_widget_host.h"
35#include "content/public/browser/render_widget_host_view.h"
[email protected]4c3a23582012-08-18 08:54:3436#include "content/public/browser/storage_partition.h"
[email protected]7f6f44c2011-12-14 13:23:3837#include "content/public/browser/user_metrics.h"
[email protected]d1198fd2012-08-13 22:50:1938#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3839#include "content/public/common/content_constants.h"
avi9f07a0c2015-02-18 22:51:2940#include "content/public/common/content_switches.h"
[email protected]a23de8572009-06-03 02:16:3241#include "net/base/escape.h"
[email protected]31682282010-01-15 18:05:1642#include "net/base/mime_util.h"
[email protected]7f070d42011-03-09 20:25:3243#include "net/base/net_util.h"
[email protected]9677a3c2012-12-22 04:18:5844#include "skia/ext/platform_canvas.h"
[email protected]cca6f392014-05-28 21:32:2645#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2946
[email protected]8ff00d72012-10-23 19:12:2147namespace content {
[email protected]e9ba4472008-09-14 15:42:4348namespace {
49
50// Invoked when entries have been pruned, or removed. For example, if the
51// current entries are [google, digg, yahoo], with the current entry google,
52// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4753void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4954 bool from_front,
55 int count) {
[email protected]8ff00d72012-10-23 19:12:2156 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4957 details.from_front = from_front;
58 details.count = count;
[email protected]8ff00d72012-10-23 19:12:2159 NotificationService::current()->Notify(
60 NOTIFICATION_NAV_LIST_PRUNED,
61 Source<NavigationController>(nav_controller),
62 Details<PrunedDetails>(&details));
[email protected]e9ba4472008-09-14 15:42:4363}
64
65// Ensure the given NavigationEntry has a valid state, so that WebKit does not
66// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:3967//
[email protected]e9ba4472008-09-14 15:42:4368// An empty state is treated as a new navigation by WebKit, which would mean
69// losing the navigation entries and generating a new navigation entry after
70// this one. We don't want that. To avoid this we create a valid state which
71// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:0472void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
73 if (!entry->GetPageState().IsValid())
74 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:4375}
76
[email protected]2ca1ea662012-10-04 02:26:3677NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType(
78 NavigationController::RestoreType type) {
79 switch (type) {
80 case NavigationController::RESTORE_CURRENT_SESSION:
81 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
82 case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY:
83 return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY;
84 case NavigationController::RESTORE_LAST_SESSION_CRASHED:
85 return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED;
86 }
87 NOTREACHED();
88 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
89}
90
[email protected]e9ba4472008-09-14 15:42:4391// Configure all the NavigationEntries in entries for restore. This resets
92// the transition type to reload and makes sure the content state isn't empty.
93void ConfigureEntriesForRestore(
[email protected]10f417c52011-12-28 21:04:2394 std::vector<linked_ptr<NavigationEntryImpl> >* entries,
[email protected]2ca1ea662012-10-04 02:26:3695 NavigationController::RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:4396 for (size_t i = 0; i < entries->size(); ++i) {
97 // Use a transition type of reload so that we don't incorrectly increase
98 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:3599 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]2ca1ea662012-10-04 02:26:36100 (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type));
[email protected]e9ba4472008-09-14 15:42:43101 // NOTE(darin): This code is only needed for backwards compat.
[email protected]691aa2f2013-05-28 22:52:04102 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43103 }
104}
105
[email protected]5cfbddc2014-06-23 23:52:23106// There are two general cases where a navigation is in page:
107// 1. A fragment navigation, in which the url is kept the same except for the
108// reference fragment.
109// 2. A history API navigation (pushState and replaceState). This case is
110// always in-page, but the urls are not guaranteed to match excluding the
111// fragment. The relevant spec allows pushState/replaceState to any URL on
112// the same origin.
113// However, due to reloads, even identical urls are *not* guaranteed to be
114// in-page navigations, we have to trust the renderer almost entirely.
115// The one thing we do know is that cross-origin navigations will *never* be
116// in-page. Therefore, trust the renderer if the URLs are on the same origin,
117// and assume the renderer is malicious if a cross-origin navigation claims to
118// be in-page.
[email protected]ce760d742012-08-30 22:31:10119bool AreURLsInPageNavigation(const GURL& existing_url,
120 const GURL& new_url,
[email protected]b9d4dfdc2013-08-08 00:25:12121 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:23122 RenderFrameHost* rfh) {
123 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
124 bool is_same_origin = existing_url.is_empty() ||
[email protected]62e412b2014-07-11 20:06:03125 // TODO(japhet): We should only permit navigations
126 // originating from about:blank to be in-page if the
127 // about:blank is the first document that frame loaded.
128 // We don't have sufficient information to identify
129 // that case at the moment, so always allow about:blank
130 // for now.
131 existing_url == GURL(url::kAboutBlankURL) ||
[email protected]5cfbddc2014-06-23 23:52:23132 existing_url.GetOrigin() == new_url.GetOrigin() ||
ningxin.hu3d4264362015-01-26 09:10:57133 !prefs.web_security_enabled ||
134 (prefs.allow_universal_access_from_file_urls &&
135 existing_url.SchemeIs(url::kFileScheme));
[email protected]5cfbddc2014-06-23 23:52:23136 if (!is_same_origin && renderer_says_in_page)
137 rfh->GetProcess()->ReceivedBadMessage();
138 return is_same_origin && renderer_says_in_page;
[email protected]e9ba4472008-09-14 15:42:43139}
140
[email protected]bf70edce2012-06-20 22:32:22141// Determines whether or not we should be carrying over a user agent override
142// between two NavigationEntries.
[email protected]8ff00d72012-10-23 19:12:21143bool ShouldKeepOverride(const NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22144 return last_entry && last_entry->GetIsOverridingUserAgent();
145}
146
[email protected]e9ba4472008-09-14 15:42:43147} // namespace
148
[email protected]d202a7c2012-01-04 07:53:47149// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29150
[email protected]23a918b2014-07-15 09:51:36151const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23152
[email protected]765b35502008-08-21 00:51:20153// static
[email protected]d202a7c2012-01-04 07:53:47154size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23155 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20156
[email protected]e6fec472013-05-14 05:29:02157// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20158// when testing.
159static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29160
[email protected]71fde352011-12-29 03:29:56161// static
[email protected]cdcb1dee2012-01-04 00:46:20162NavigationEntry* NavigationController::CreateNavigationEntry(
[email protected]71fde352011-12-29 03:29:56163 const GURL& url,
[email protected]cdcb1dee2012-01-04 00:46:20164 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35165 ui::PageTransition transition,
[email protected]71fde352011-12-29 03:29:56166 bool is_renderer_initiated,
167 const std::string& extra_headers,
[email protected]cdcb1dee2012-01-04 00:46:20168 BrowserContext* browser_context) {
creis94a977f62015-02-18 23:51:05169 // Fix up the given URL before letting it be rewritten, so that any minor
170 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
171 GURL dest_url(url);
172 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(&dest_url,
173 browser_context);
174
[email protected]71fde352011-12-29 03:29:56175 // Allow the browser URL handler to rewrite the URL. This will, for example,
176 // remove "view-source:" from the beginning of the URL to get the URL that
177 // will actually be loaded. This real URL won't be shown to the user, just
178 // used internally.
creis94a977f62015-02-18 23:51:05179 GURL loaded_url(dest_url);
[email protected]71fde352011-12-29 03:29:56180 bool reverse_on_redirect = false;
[email protected]825b1662012-03-12 19:07:31181 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
[email protected]71fde352011-12-29 03:29:56182 &loaded_url, browser_context, &reverse_on_redirect);
183
184 NavigationEntryImpl* entry = new NavigationEntryImpl(
185 NULL, // The site instance for tabs is sent on navigation
[email protected]2db9bd72012-04-13 20:20:56186 // (WebContents::GetSiteInstance).
[email protected]71fde352011-12-29 03:29:56187 -1,
188 loaded_url,
189 referrer,
[email protected]fcf75d42013-12-03 20:11:26190 base::string16(),
[email protected]71fde352011-12-29 03:29:56191 transition,
192 is_renderer_initiated);
creis94a977f62015-02-18 23:51:05193 entry->SetVirtualURL(dest_url);
194 entry->set_user_typed_url(dest_url);
[email protected]71fde352011-12-29 03:29:56195 entry->set_update_virtual_url_with_url(reverse_on_redirect);
196 entry->set_extra_headers(extra_headers);
197 return entry;
198}
199
[email protected]cdcb1dee2012-01-04 00:46:20200// static
201void NavigationController::DisablePromptOnRepost() {
202 g_check_for_repost = false;
203}
204
[email protected]c5b88d82012-10-06 17:03:33205base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
206 base::Time t) {
207 // If |t| is between the water marks, we're in a run of duplicates
208 // or just getting out of it, so increase the high-water mark to get
209 // a time that probably hasn't been used before and return it.
210 if (low_water_mark_ <= t && t <= high_water_mark_) {
211 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
212 return high_water_mark_;
213 }
214
215 // Otherwise, we're clear of the last duplicate run, so reset the
216 // water marks.
217 low_water_mark_ = high_water_mark_ = t;
218 return t;
219}
220
[email protected]d202a7c2012-01-04 07:53:47221NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57222 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19223 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37224 : browser_context_(browser_context),
[email protected]765b35502008-08-21 00:51:20225 pending_entry_(NULL),
226 last_committed_entry_index_(-1),
227 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47228 transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57229 delegate_(delegate),
initial.commit09911bf2008-07-26 23:55:29230 max_restored_page_id_(-1),
[email protected]69e797f2013-04-30 01:10:22231 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57232 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09233 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28234 in_navigate_to_pending_entry_(false),
[email protected]c5b88d82012-10-06 17:03:33235 pending_reload_(NO_RELOAD),
[email protected]8cea7892013-02-06 06:49:31236 get_timestamp_callback_(base::Bind(&base::Time::Now)),
[email protected]d1581d72013-11-05 19:11:26237 screenshot_manager_(new NavigationEntryScreenshotManager(this)) {
[email protected]3d7474ff2011-07-27 17:47:37238 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29239}
240
[email protected]d202a7c2012-01-04 07:53:47241NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47242 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29243}
244
[email protected]d202a7c2012-01-04 07:53:47245WebContents* NavigationControllerImpl::GetWebContents() const {
[email protected]ec6c05f2013-10-23 18:41:57246 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32247}
248
[email protected]d202a7c2012-01-04 07:53:47249BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
[email protected]a26023822011-12-29 00:23:55250 return browser_context_;
251}
252
[email protected]d202a7c2012-01-04 07:53:47253void NavigationControllerImpl::SetBrowserContext(
254 BrowserContext* browser_context) {
[email protected]cdcb1dee2012-01-04 00:46:20255 browser_context_ = browser_context;
256}
257
[email protected]d202a7c2012-01-04 07:53:47258void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30259 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36260 RestoreType type,
[email protected]10f417c52011-12-28 21:04:23261 std::vector<NavigationEntry*>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57262 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55263 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57264 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14265 selected_navigation < static_cast<int>(entries->size()));
[email protected]ce3fa3c2009-04-20 19:55:57266
[email protected]ce3fa3c2009-04-20 19:55:57267 needs_reload_ = true;
[email protected]ad23a092011-12-28 07:02:04268 for (size_t i = 0; i < entries->size(); ++i) {
[email protected]10f417c52011-12-28 21:04:23269 NavigationEntryImpl* entry =
270 NavigationEntryImpl::FromNavigationEntry((*entries)[i]);
271 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]ad23a092011-12-28 07:02:04272 }
[email protected]03838e22011-06-06 15:27:14273 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57274
275 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36276 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57277}
278
[email protected]d202a7c2012-01-04 07:53:47279void NavigationControllerImpl::Reload(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16280 ReloadInternal(check_for_repost, RELOAD);
281}
[email protected]d202a7c2012-01-04 07:53:47282void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16283 ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE);
284}
[email protected]7c16976c2012-08-04 02:38:23285void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) {
286 ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL);
287}
[email protected]1ccb3568d2010-02-19 10:51:16288
[email protected]d202a7c2012-01-04 07:53:47289void NavigationControllerImpl::ReloadInternal(bool check_for_repost,
290 ReloadType reload_type) {
[email protected]669e0ba2012-08-30 23:57:36291 if (transient_entry_index_ != -1) {
292 // If an interstitial is showing, treat a reload as a navigation to the
293 // transient entry's URL.
creis3da03872015-02-20 21:12:32294 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27295 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36296 return;
[email protected]6286a3792013-10-09 04:03:27297 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21298 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35299 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27300 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47301 return;
[email protected]669e0ba2012-08-30 23:57:36302 }
[email protected]cbab76d2008-10-13 22:42:47303
[email protected]59167c22013-06-03 18:07:32304 NavigationEntryImpl* entry = NULL;
305 int current_index = -1;
306
307 // If we are reloading the initial navigation, just use the current
308 // pending entry. Otherwise look up the current entry.
309 if (IsInitialNavigation() && pending_entry_) {
310 entry = pending_entry_;
311 // The pending entry might be in entries_ (e.g., after a Clone), so we
312 // should also update the current_index.
313 current_index = pending_entry_index_;
314 } else {
315 DiscardNonCommittedEntriesInternal();
316 current_index = GetCurrentEntryIndex();
317 if (current_index != -1) {
creis3da03872015-02-20 21:12:32318 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32319 }
[email protected]979a4bc2013-04-24 01:27:15320 }
[email protected]241db352013-04-22 18:04:05321
[email protected]59167c22013-06-03 18:07:32322 // If we are no where, then we can't reload. TODO(darin): We should add a
323 // CanReload method.
324 if (!entry)
325 return;
326
[email protected]eaaba7dd2013-10-14 02:38:07327 if (reload_type == NavigationControllerImpl::RELOAD_ORIGINAL_REQUEST_URL &&
328 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
329 // We may have been redirected when navigating to the current URL.
330 // Use the URL the user originally intended to visit, if it's valid and if a
331 // POST wasn't involved; the latter case avoids issues with sending data to
332 // the wrong page.
333 entry->SetURL(entry->GetOriginalRequestURL());
[email protected]25cd5f12014-01-10 11:02:20334 entry->SetReferrer(Referrer());
[email protected]eaaba7dd2013-10-14 02:38:07335 }
336
[email protected]cdcb1dee2012-01-04 00:46:20337 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32338 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30339 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07340 // they really want to do this. If they do, the dialog will call us back
341 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57342 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02343
[email protected]106a0812010-03-18 00:15:12344 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57345 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29346 } else {
[email protected]59167c22013-06-03 18:07:32347 if (!IsInitialNavigation())
348 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26349
[email protected]bcd904482012-02-01 01:54:22350 // If we are reloading an entry that no longer belongs to the current
351 // site instance (for example, refreshing a page for just installed app),
352 // the reload must happen in a new process.
353 // The new entry must have a new page_id and site instance, so it behaves
354 // as new navigation (which happens to clear forward history).
[email protected]7e58cb272012-03-30 21:22:30355 // Tabs that are discarded due to low memory conditions may not have a site
356 // instance, and should not be treated as a cross-site reload.
[email protected]59167c22013-06-03 18:07:32357 SiteInstanceImpl* site_instance = entry->site_instance();
[email protected]fb4cc8e2013-12-17 17:56:21358 // Permit reloading guests without further checks.
[email protected]fe294ce2014-05-30 05:55:01359 bool is_isolated_guest = site_instance && site_instance->HasProcess() &&
360 site_instance->GetProcess()->IsIsolatedGuest();
361 if (!is_isolated_guest && site_instance &&
[email protected]7e58cb272012-03-30 21:22:30362 site_instance->HasWrongProcessForURL(entry->GetURL())) {
[email protected]bcd904482012-02-01 01:54:22363 // Create a navigation entry that resembles the current one, but do not
[email protected]688aa65c62012-09-28 04:32:22364 // copy page id, site instance, content state, or timestamp.
[email protected]bcd904482012-02-01 01:54:22365 NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry(
366 CreateNavigationEntry(
367 entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(),
368 false, entry->extra_headers(), browser_context_));
[email protected]c3b3d952012-01-31 12:52:26369
[email protected]11535962012-02-09 21:02:10370 // Mark the reload type as NO_RELOAD, so navigation will not be considered
371 // a reload in the renderer.
372 reload_type = NavigationController::NO_RELOAD;
373
[email protected]e2caa032012-11-15 23:29:18374 nav_entry->set_should_replace_entry(true);
[email protected]bcd904482012-02-01 01:54:22375 pending_entry_ = nav_entry;
376 } else {
[email protected]59167c22013-06-03 18:07:32377 pending_entry_ = entry;
[email protected]bcd904482012-02-01 01:54:22378 pending_entry_index_ = current_index;
379
380 // The title of the page being reloaded might have been removed in the
381 // meanwhile, so we need to revert to the default title upon reload and
382 // invalidate the previously cached title (SetTitle will do both).
383 // See Chromium issue 96041.
[email protected]fcf75d42013-12-03 20:11:26384 pending_entry_->SetTitle(base::string16());
[email protected]bcd904482012-02-01 01:54:22385
Sylvain Defresnec6ccc77d2014-09-19 10:19:35386 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22387 }
388
[email protected]1ccb3568d2010-02-19 10:51:16389 NavigateToPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29390 }
391}
392
[email protected]d202a7c2012-01-04 07:53:47393void NavigationControllerImpl::CancelPendingReload() {
[email protected]106a0812010-03-18 00:15:12394 DCHECK(pending_reload_ != NO_RELOAD);
395 pending_reload_ = NO_RELOAD;
396}
397
[email protected]d202a7c2012-01-04 07:53:47398void NavigationControllerImpl::ContinuePendingReload() {
[email protected]106a0812010-03-18 00:15:12399 if (pending_reload_ == NO_RELOAD) {
400 NOTREACHED();
401 } else {
402 ReloadInternal(false, pending_reload_);
[email protected]965bb092010-04-09 11:59:02403 pending_reload_ = NO_RELOAD;
[email protected]106a0812010-03-18 00:15:12404 }
405}
406
[email protected]cd2e15742013-03-08 04:08:31407bool NavigationControllerImpl::IsInitialNavigation() const {
[email protected]27ba81c2012-08-21 17:04:09408 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11409}
410
[email protected]d202a7c2012-01-04 07:53:47411NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID(
[email protected]b6583592012-01-25 19:52:33412 SiteInstance* instance, int32 page_id) const {
[email protected]7f0005a2009-04-15 03:25:11413 int index = GetEntryIndexWithPageID(instance, page_id);
[email protected]765b35502008-08-21 00:51:20414 return (index != -1) ? entries_[index].get() : NULL;
415}
416
[email protected]d202a7c2012-01-04 07:53:47417void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) {
[email protected]765b35502008-08-21 00:51:20418 // When navigating to a new page, we don't know for sure if we will actually
419 // end up leaving the current page. The new page load could for example
420 // result in a download or a 'no content' response (e.g., a mailto: URL).
[email protected]59167c22013-06-03 18:07:32421 SetPendingEntry(entry);
422 NavigateToPendingEntry(NO_RELOAD);
423}
424
425void NavigationControllerImpl::SetPendingEntry(NavigationEntryImpl* entry) {
[email protected]cbab76d2008-10-13 22:42:47426 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:20427 pending_entry_ = entry;
[email protected]8ff00d72012-10-23 19:12:21428 NotificationService::current()->Notify(
429 NOTIFICATION_NAV_ENTRY_PENDING,
430 Source<NavigationController>(this),
431 Details<NavigationEntry>(entry));
[email protected]765b35502008-08-21 00:51:20432}
433
creis3da03872015-02-20 21:12:32434NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() const {
[email protected]cbab76d2008-10-13 22:42:47435 if (transient_entry_index_ != -1)
436 return entries_[transient_entry_index_].get();
437 if (pending_entry_)
438 return pending_entry_;
439 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20440}
441
creis3da03872015-02-20 21:12:32442NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() const {
[email protected]867e1f92011-08-30 19:01:19443 if (transient_entry_index_ != -1)
444 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32445 // The pending entry is safe to return for new (non-history), browser-
446 // initiated navigations. Most renderer-initiated navigations should not
447 // show the pending entry, to prevent URL spoof attacks.
448 //
449 // We make an exception for renderer-initiated navigations in new tabs, as
450 // long as no other page has tried to access the initial empty document in
451 // the new tab. If another page modifies this blank page, a URL spoof is
452 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32453 bool safe_to_show_pending =
454 pending_entry_ &&
455 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09456 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32457 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46458 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32459
460 // Also allow showing the pending entry for history navigations in a new tab,
461 // such as Ctrl+Back. In this case, no existing page is visible and no one
462 // can script the new tab before it commits.
463 if (!safe_to_show_pending &&
464 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09465 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32466 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34467 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32468 safe_to_show_pending = true;
469
470 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19471 return pending_entry_;
472 return GetLastCommittedEntry();
473}
474
[email protected]d202a7c2012-01-04 07:53:47475int NavigationControllerImpl::GetCurrentEntryIndex() const {
[email protected]cbab76d2008-10-13 22:42:47476 if (transient_entry_index_ != -1)
477 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20478 if (pending_entry_index_ != -1)
479 return pending_entry_index_;
480 return last_committed_entry_index_;
481}
482
creis3da03872015-02-20 21:12:32483NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() const {
[email protected]765b35502008-08-21 00:51:20484 if (last_committed_entry_index_ == -1)
485 return NULL;
486 return entries_[last_committed_entry_index_].get();
487}
488
[email protected]d202a7c2012-01-04 07:53:47489bool NavigationControllerImpl::CanViewSource() const {
[email protected]ec6c05f2013-10-23 18:41:57490 const std::string& mime_type = delegate_->GetContentsMimeType();
[email protected]9d86c4982013-01-09 00:38:34491 bool is_viewable_mime_type = net::IsSupportedNonImageMimeType(mime_type) &&
492 !net::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27493 NavigationEntry* visible_entry = GetVisibleEntry();
494 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57495 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16496}
497
[email protected]d202a7c2012-01-04 07:53:47498int NavigationControllerImpl::GetLastCommittedEntryIndex() const {
[email protected]a26023822011-12-29 00:23:55499 return last_committed_entry_index_;
500}
501
[email protected]d202a7c2012-01-04 07:53:47502int NavigationControllerImpl::GetEntryCount() const {
[email protected]944822b2012-03-02 20:57:25503 DCHECK(entries_.size() <= max_entry_count());
[email protected]a26023822011-12-29 00:23:55504 return static_cast<int>(entries_.size());
505}
506
creis3da03872015-02-20 21:12:32507NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(
[email protected]022af742011-12-28 18:37:25508 int index) const {
509 return entries_.at(index).get();
510}
511
creis3da03872015-02-20 21:12:32512NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(
[email protected]022af742011-12-28 18:37:25513 int offset) const {
[email protected]9ba14052012-06-22 23:50:03514 int index = GetIndexForOffset(offset);
[email protected]a26023822011-12-29 00:23:55515 if (index < 0 || index >= GetEntryCount())
[email protected]765b35502008-08-21 00:51:20516 return NULL;
517
518 return entries_[index].get();
519}
520
[email protected]9ba14052012-06-22 23:50:03521int NavigationControllerImpl::GetIndexForOffset(int offset) const {
[email protected]7bc2b032012-12-19 22:45:46522 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03523}
524
[email protected]9677a3c2012-12-22 04:18:58525void NavigationControllerImpl::TakeScreenshot() {
[email protected]1a3f5312013-04-26 21:00:10526 screenshot_manager_->TakeScreenshot();
[email protected]9677a3c2012-12-22 04:18:58527}
528
[email protected]1a3f5312013-04-26 21:00:10529void NavigationControllerImpl::SetScreenshotManager(
[email protected]d1581d72013-11-05 19:11:26530 NavigationEntryScreenshotManager* manager) {
[email protected]1a3f5312013-04-26 21:00:10531 screenshot_manager_.reset(manager ? manager :
[email protected]d1581d72013-11-05 19:11:26532 new NavigationEntryScreenshotManager(this));
[email protected]9677a3c2012-12-22 04:18:58533}
534
[email protected]d202a7c2012-01-04 07:53:47535bool NavigationControllerImpl::CanGoBack() const {
[email protected]765b35502008-08-21 00:51:20536 return entries_.size() > 1 && GetCurrentEntryIndex() > 0;
537}
538
[email protected]d202a7c2012-01-04 07:53:47539bool NavigationControllerImpl::CanGoForward() const {
[email protected]765b35502008-08-21 00:51:20540 int index = GetCurrentEntryIndex();
541 return index >= 0 && index < (static_cast<int>(entries_.size()) - 1);
542}
543
[email protected]9ba14052012-06-22 23:50:03544bool NavigationControllerImpl::CanGoToOffset(int offset) const {
545 int index = GetIndexForOffset(offset);
546 return index >= 0 && index < GetEntryCount();
547}
548
[email protected]d202a7c2012-01-04 07:53:47549void NavigationControllerImpl::GoBack() {
[email protected]765b35502008-08-21 00:51:20550 if (!CanGoBack()) {
551 NOTREACHED();
552 return;
553 }
554
555 // Base the navigation on where we are now...
556 int current_index = GetCurrentEntryIndex();
557
[email protected]cbab76d2008-10-13 22:42:47558 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20559
560 pending_entry_index_ = current_index - 1;
[email protected]022af742011-12-28 18:37:25561 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35562 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51563 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35564 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16565 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20566}
567
[email protected]d202a7c2012-01-04 07:53:47568void NavigationControllerImpl::GoForward() {
[email protected]765b35502008-08-21 00:51:20569 if (!CanGoForward()) {
570 NOTREACHED();
571 return;
572 }
573
[email protected]cbab76d2008-10-13 22:42:47574 bool transient = (transient_entry_index_ != -1);
575
[email protected]765b35502008-08-21 00:51:20576 // Base the navigation on where we are now...
577 int current_index = GetCurrentEntryIndex();
578
[email protected]cbab76d2008-10-13 22:42:47579 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20580
[email protected]cbab76d2008-10-13 22:42:47581 pending_entry_index_ = current_index;
582 // If there was a transient entry, we removed it making the current index
583 // the next page.
584 if (!transient)
585 pending_entry_index_++;
586
[email protected]022af742011-12-28 18:37:25587 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35588 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51589 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35590 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16591 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20592}
593
[email protected]d202a7c2012-01-04 07:53:47594void NavigationControllerImpl::GoToIndex(int index) {
[email protected]765b35502008-08-21 00:51:20595 if (index < 0 || index >= static_cast<int>(entries_.size())) {
596 NOTREACHED();
597 return;
598 }
599
[email protected]cbab76d2008-10-13 22:42:47600 if (transient_entry_index_ != -1) {
601 if (index == transient_entry_index_) {
602 // Nothing to do when navigating to the transient.
603 return;
604 }
605 if (index > transient_entry_index_) {
606 // Removing the transient is goint to shift all entries by 1.
607 index--;
608 }
609 }
610
611 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20612
613 pending_entry_index_ = index;
[email protected]022af742011-12-28 18:37:25614 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35615 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51616 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35617 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16618 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20619}
620
[email protected]d202a7c2012-01-04 07:53:47621void NavigationControllerImpl::GoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03622 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20623 return;
624
[email protected]9ba14052012-06-22 23:50:03625 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20626}
627
[email protected]41374f12013-07-24 02:49:28628bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
629 if (index == last_committed_entry_index_ ||
630 index == pending_entry_index_)
631 return false;
[email protected]6a13a6c2011-12-20 21:47:12632
[email protected]43032342011-03-21 14:10:31633 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28634 return true;
[email protected]cbab76d2008-10-13 22:42:47635}
636
[email protected]d202a7c2012-01-04 07:53:47637void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23638 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32639 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31640 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51641 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
642 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32643 }
644}
645
[email protected]d202a7c2012-01-04 07:53:47646void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47647 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21648 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35649 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47650 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47651 LoadURLParams params(url);
652 params.referrer = referrer;
653 params.transition_type = transition;
654 params.extra_headers = extra_headers;
655 LoadURLWithParams(params);
656}
657
658void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43659 TRACE_EVENT1("browser,navigation",
660 "NavigationControllerImpl::LoadURLWithParams",
661 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43662 if (HandleDebugURL(params.url, params.transition_type)) {
663 // If Telemetry is running, allow the URL load to proceed as if it's
664 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49665 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43666 cc::switches::kEnableGpuBenchmarking))
667 return;
668 }
[email protected]8bf1048012012-02-08 01:22:18669
[email protected]c02f1ba2014-02-03 06:53:53670 // Any renderer-side debug URLs or javascript: URLs should be ignored if the
[email protected]c21e5c22014-02-05 23:56:41671 // renderer process is not live, unless it is the initial navigation of the
672 // tab.
[email protected]c02f1ba2014-02-03 06:53:53673 if (IsRendererDebugURL(params.url)) {
674 // TODO(creis): Find the RVH for the correct frame.
[email protected]c21e5c22014-02-05 23:56:41675 if (!delegate_->GetRenderViewHost()->IsRenderViewLive() &&
676 !IsInitialNavigation())
[email protected]c02f1ba2014-02-03 06:53:53677 return;
678 }
679
[email protected]cf002332012-08-14 19:17:47680 // Checks based on params.load_type.
681 switch (params.load_type) {
682 case LOAD_TYPE_DEFAULT:
683 break;
684 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
[email protected]e8ca69c2014-05-07 15:31:19685 if (!params.url.SchemeIs(url::kHttpScheme) &&
686 !params.url.SchemeIs(url::kHttpsScheme)) {
[email protected]cf002332012-08-14 19:17:47687 NOTREACHED() << "Http post load must use http(s) scheme.";
688 return;
689 }
690 break;
691 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26692 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47693 NOTREACHED() << "Data load must use data scheme.";
694 return;
695 }
696 break;
697 default:
698 NOTREACHED();
699 break;
700 };
[email protected]e47ae9472011-10-13 19:48:34701
[email protected]e47ae9472011-10-13 19:48:34702 // The user initiated a load, we don't need to reload anymore.
703 needs_reload_ = false;
704
[email protected]cf002332012-08-14 19:17:47705 bool override = false;
706 switch (params.override_user_agent) {
707 case UA_OVERRIDE_INHERIT:
708 override = ShouldKeepOverride(GetLastCommittedEntry());
709 break;
710 case UA_OVERRIDE_TRUE:
711 override = true;
712 break;
713 case UA_OVERRIDE_FALSE:
714 override = false;
715 break;
716 default:
717 NOTREACHED();
718 break;
[email protected]d1ef81d2012-07-24 11:39:36719 }
720
[email protected]d1ef81d2012-07-24 11:39:36721 NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
722 CreateNavigationEntry(
[email protected]cf002332012-08-14 19:17:47723 params.url,
724 params.referrer,
725 params.transition_type,
726 params.is_renderer_initiated,
727 params.extra_headers,
[email protected]d1ef81d2012-07-24 11:39:36728 browser_context_));
[email protected]c80297782013-11-21 07:10:16729 if (params.frame_tree_node_id != -1)
730 entry->set_frame_tree_node_id(params.frame_tree_node_id);
lfg9ef7d2d2014-12-15 22:32:30731 entry->set_source_site_instance(
732 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
[email protected]f8872902013-10-30 03:18:57733 if (params.redirect_chain.size() > 0)
[email protected]c1982ff2014-04-23 03:37:21734 entry->SetRedirectChain(params.redirect_chain);
avib6cc1562015-02-12 19:56:39735 // Don't allow an entry replacement if there is no entry to replace.
736 // http://crbug.com/457149
737 if (params.should_replace_current_entry && entries_.size() > 0)
[email protected]e2caa032012-11-15 23:29:18738 entry->set_should_replace_entry(true);
[email protected]60d6cca2013-04-30 08:47:13739 entry->set_should_clear_history_list(params.should_clear_history_list);
[email protected]cf002332012-08-14 19:17:47740 entry->SetIsOverridingUserAgent(override);
741 entry->set_transferred_global_request_id(
742 params.transferred_global_request_id);
[email protected]d2494ff2013-02-20 08:22:37743 entry->SetFrameToNavigate(params.frame_name);
[email protected]d1ef81d2012-07-24 11:39:36744
clamy8451aa62015-01-23 16:56:08745#if defined(OS_ANDROID)
746 if (params.intent_received_timestamp > 0) {
747 entry->set_intent_received_timestamp(
748 base::TimeTicks() +
749 base::TimeDelta::FromMilliseconds(params.intent_received_timestamp));
750 }
751#endif
752
[email protected]cf002332012-08-14 19:17:47753 switch (params.load_type) {
754 case LOAD_TYPE_DEFAULT:
755 break;
756 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
757 entry->SetHasPostData(true);
758 entry->SetBrowserInitiatedPostData(
[email protected]fc72bb12013-06-02 21:13:46759 params.browser_initiated_post_data.get());
[email protected]cf002332012-08-14 19:17:47760 break;
761 case LOAD_TYPE_DATA:
762 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
763 entry->SetVirtualURL(params.virtual_url_for_data_url);
[email protected]951a64832012-10-11 16:26:37764 entry->SetCanLoadLocalResources(params.can_load_local_resources);
[email protected]cf002332012-08-14 19:17:47765 break;
766 default:
767 NOTREACHED();
768 break;
769 };
[email protected]132e281a2012-07-31 18:32:44770
771 LoadEntry(entry);
772}
773
[email protected]d202a7c2012-01-04 07:53:47774bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32775 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22776 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]8ff00d72012-10-23 19:12:21777 LoadCommittedDetails* details) {
[email protected]cd2e15742013-03-08 04:08:31778 is_initial_navigation_ = false;
779
[email protected]0e8db942008-09-24 21:21:48780 // Save the previous state before we clobber it.
781 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51782 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55783 details->previous_entry_index = GetLastCommittedEntryIndex();
[email protected]0e8db942008-09-24 21:21:48784 } else {
785 details->previous_url = GURL();
786 details->previous_entry_index = -1;
787 }
[email protected]ecd9d8702008-08-28 22:10:17788
[email protected]77362eb2011-08-01 17:18:38789 // If we have a pending entry at this point, it should have a SiteInstance.
790 // Restored entries start out with a null SiteInstance, but we should have
791 // assigned one in NavigateToPendingEntry.
792 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance());
[email protected]e9ba4472008-09-14 15:42:43793
[email protected]bcd904482012-02-01 01:54:22794 // If we are doing a cross-site reload, we need to replace the existing
795 // navigation entry, not add another entry to the history. This has the side
796 // effect of removing forward browsing history, if such existed.
[email protected]e2caa032012-11-15 23:29:18797 // Or if we are doing a cross-site redirect navigation,
798 // we will do a similar thing.
[email protected]4ac5fbe2012-09-01 02:19:59799 details->did_replace_entry =
[email protected]e2caa032012-11-15 23:29:18800 pending_entry_ && pending_entry_->should_replace_entry();
[email protected]bcd904482012-02-01 01:54:22801
[email protected]e9ba4472008-09-14 15:42:43802 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:43803 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:20804
[email protected]b9d4dfdc2013-08-08 00:25:12805 // is_in_page must be computed before the entry gets committed.
[email protected]5cfbddc2014-06-23 23:52:23806 details->is_in_page = AreURLsInPageNavigation(rfh->GetLastCommittedURL(),
807 params.url, params.was_within_same_page, rfh);
[email protected]b9d4dfdc2013-08-08 00:25:12808
[email protected]0e8db942008-09-24 21:21:48809 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:21810 case NAVIGATION_TYPE_NEW_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43811 RendererDidNavigateToNewPage(rfh, params, details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43812 break;
[email protected]8ff00d72012-10-23 19:12:21813 case NAVIGATION_TYPE_EXISTING_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43814 RendererDidNavigateToExistingPage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43815 break;
[email protected]8ff00d72012-10-23 19:12:21816 case NAVIGATION_TYPE_SAME_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43817 RendererDidNavigateToSamePage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43818 break;
[email protected]8ff00d72012-10-23 19:12:21819 case NAVIGATION_TYPE_IN_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43820 RendererDidNavigateInPage(rfh, params, &details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43821 break;
[email protected]8ff00d72012-10-23 19:12:21822 case NAVIGATION_TYPE_NEW_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43823 RendererDidNavigateNewSubframe(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43824 break;
[email protected]8ff00d72012-10-23 19:12:21825 case NAVIGATION_TYPE_AUTO_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43826 if (!RendererDidNavigateAutoSubframe(rfh, params))
[email protected]e9ba4472008-09-14 15:42:43827 return false;
828 break;
[email protected]8ff00d72012-10-23 19:12:21829 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:49830 // If a pending navigation was in progress, this canceled it. We should
831 // discard it and make sure it is removed from the URL bar. After that,
832 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:43833 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:49834 if (pending_entry_) {
835 DiscardNonCommittedEntries();
[email protected]ec6c05f2013-10-23 18:41:57836 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:49837 }
[email protected]e9ba4472008-09-14 15:42:43838 return false;
839 default:
840 NOTREACHED();
[email protected]765b35502008-08-21 00:51:20841 }
842
[email protected]688aa65c62012-09-28 04:32:22843 // At this point, we know that the navigation has just completed, so
844 // record the time.
845 //
846 // TODO(akalin): Use "sane time" as described in
847 // http://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:33848 base::Time timestamp =
849 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
850 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:22851 << timestamp.ToInternalValue();
852
[email protected]f233e4232013-02-23 00:55:14853 // We should not have a pending entry anymore. Clear it again in case any
854 // error cases above forgot to do so.
855 DiscardNonCommittedEntriesInternal();
856
[email protected]e9ba4472008-09-14 15:42:43857 // All committed entries should have nonempty content state so WebKit doesn't
858 // get confused when we go back to them (see the function for details).
[email protected]691aa2f2013-05-28 22:52:04859 DCHECK(params.page_state.IsValid());
creis3da03872015-02-20 21:12:32860 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:22861 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:44862 active_entry->SetHttpStatusCode(params.http_status_code);
[email protected]691aa2f2013-05-28 22:52:04863 active_entry->SetPageState(params.page_state);
[email protected]c1982ff2014-04-23 03:37:21864 active_entry->SetRedirectChain(params.redirects);
[email protected]132e281a2012-07-31 18:32:44865
[email protected]d6def3d2014-05-19 18:55:32866 // Use histogram to track memory impact of redirect chain because it's now
867 // not cleared for committed entries.
868 size_t redirect_chain_size = 0;
869 for (size_t i = 0; i < params.redirects.size(); ++i) {
870 redirect_chain_size += params.redirects[i].spec().length();
871 }
872 UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size);
873
[email protected]97d8f0d2013-10-29 16:49:21874 // Once it is committed, we no longer need to track several pieces of state on
875 // the entry.
876 active_entry->ResetForCommit();
[email protected]60d6cca2013-04-30 08:47:13877
[email protected]49bd30e62011-03-22 20:12:59878 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:22879 // TODO(creis): This check won't pass for subframes until we create entries
880 // for subframe navigations.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35881 if (ui::PageTransitionIsMainFrame(params.transition))
[email protected]27dd82fd2014-03-03 22:11:43882 CHECK(active_entry->site_instance() == rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:59883
[email protected]b26de072013-02-23 02:33:44884 // Remember the bindings the renderer process has at this point, so that
885 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:32886 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:44887
[email protected]e9ba4472008-09-14 15:42:43888 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:00889 details->entry = active_entry;
[email protected]2905f742011-10-13 03:51:58890 details->is_main_frame =
Sylvain Defresnec6ccc77d2014-09-19 10:19:35891 ui::PageTransitionIsMainFrame(params.transition);
[email protected]f072d2ce2008-09-17 17:16:24892 details->serialized_security_info = params.security_info;
[email protected]2e39d2e2009-02-19 18:41:31893 details->http_status_code = params.http_status_code;
[email protected]93f230e02011-06-01 14:40:00894 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:29895
[email protected]e9ba4472008-09-14 15:42:43896 return true;
initial.commit09911bf2008-07-26 23:55:29897}
898
[email protected]8ff00d72012-10-23 19:12:21899NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:32900 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22901 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const {
[email protected]e9ba4472008-09-14 15:42:43902 if (params.page_id == -1) {
[email protected]82307f6b2014-08-07 03:30:12903 // TODO(nasko, creis): An out-of-process child frame has no way of
904 // knowing the page_id of its parent, so it is passing back -1. The
905 // semantics here should be re-evaluated during session history refactor
906 // (see http://crbug.com/236848). For now, we assume this means the
907 // child frame loaded and proceed. Note that this may do the wrong thing
908 // for cross-process AUTO_SUBFRAME navigations.
909 if (rfh->IsCrossProcessSubframe())
910 return NAVIGATION_TYPE_NEW_SUBFRAME;
911
[email protected]eef9de32009-09-23 17:19:46912 // The renderer generates the page IDs, and so if it gives us the invalid
913 // page ID (-1) we know it didn't actually navigate. This happens in a few
914 // cases:
915 //
916 // - If a page makes a popup navigated to about blank, and then writes
917 // stuff like a subframe navigated to a real page. We'll get the commit
918 // for the subframe, but there won't be any commit for the outer page.
919 //
920 // - We were also getting these for failed loads (for example, bug 21849).
921 // The guess is that we get a "load commit" for the alternate error page,
922 // but that doesn't affect the page ID, so we get the "old" one, which
923 // could be invalid. This can also happen for a cross-site transition
924 // that causes us to swap processes. Then the error page load will be in
925 // a new process with no page IDs ever assigned (and hence a -1 value),
926 // yet the navigation controller still might have previous pages in its
927 // list.
928 //
929 // In these cases, there's nothing we can do with them, so ignore.
[email protected]8ff00d72012-10-23 19:12:21930 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:43931 }
932
[email protected]a1b99262013-12-27 21:56:22933 if (params.page_id > delegate_->GetMaxPageIDForSiteInstance(
[email protected]27dd82fd2014-03-03 22:11:43934 rfh->GetSiteInstance())) {
[email protected]e9ba4472008-09-14 15:42:43935 // Greater page IDs than we've ever seen before are new pages. We may or may
936 // not have a pending entry for the page, and this may or may not be the
937 // main frame.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35938 if (ui::PageTransitionIsMainFrame(params.transition))
[email protected]8ff00d72012-10-23 19:12:21939 return NAVIGATION_TYPE_NEW_PAGE;
[email protected]4c27ba82008-09-24 16:49:09940
941 // When this is a new subframe navigation, we should have a committed page
942 // for which it's a suframe in. This may not be the case when an iframe is
943 // navigated on a popup navigated to about:blank (the iframe would be
944 // written into the popup by script on the main page). For these cases,
945 // there isn't any navigation stuff we can do, so just ignore it.
946 if (!GetLastCommittedEntry())
[email protected]8ff00d72012-10-23 19:12:21947 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]4c27ba82008-09-24 16:49:09948
949 // Valid subframe navigation.
[email protected]8ff00d72012-10-23 19:12:21950 return NAVIGATION_TYPE_NEW_SUBFRAME;
[email protected]e9ba4472008-09-14 15:42:43951 }
952
[email protected]60d6cca2013-04-30 08:47:13953 // We only clear the session history when navigating to a new page.
954 DCHECK(!params.history_list_was_cleared);
955
[email protected]e9ba4472008-09-14 15:42:43956 // Now we know that the notification is for an existing page. Find that entry.
957 int existing_entry_index = GetEntryIndexWithPageID(
[email protected]27dd82fd2014-03-03 22:11:43958 rfh->GetSiteInstance(),
[email protected]e9ba4472008-09-14 15:42:43959 params.page_id);
960 if (existing_entry_index == -1) {
961 // The page was not found. It could have been pruned because of the limit on
962 // back/forward entries (not likely since we'll usually tell it to navigate
963 // to such entries). It could also mean that the renderer is smoking crack.
964 NOTREACHED();
[email protected]485e8232011-07-24 18:03:46965
966 // Because the unknown entry has committed, we risk showing the wrong URL in
967 // release builds. Instead, we'll kill the renderer process to be safe.
968 LOG(ERROR) << "terminating renderer for bad navigation: " << params.url;
[email protected]e6e30ac2014-01-13 21:24:39969 RecordAction(base::UserMetricsAction("BadMessageTerminate_NC"));
[email protected]b69934e2011-10-29 02:51:52970
[email protected]7ec6f382011-11-11 01:28:17971 // Temporary code so we can get more information. Format:
[email protected]8c380582011-12-02 03:16:10972 // http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2
973 std::string temp = params.url.spec();
[email protected]7ec6f382011-11-11 01:28:17974 temp.append("#page");
[email protected]b69934e2011-10-29 02:51:52975 temp.append(base::IntToString(params.page_id));
[email protected]7ec6f382011-11-11 01:28:17976 temp.append("#max");
[email protected]ec6c05f2013-10-23 18:41:57977 temp.append(base::IntToString(delegate_->GetMaxPageID()));
[email protected]7ec6f382011-11-11 01:28:17978 temp.append("#frame");
[email protected]27dd82fd2014-03-03 22:11:43979 temp.append(base::IntToString(rfh->GetRoutingID()));
[email protected]7ec6f382011-11-11 01:28:17980 temp.append("#ids");
981 for (int i = 0; i < static_cast<int>(entries_.size()); ++i) {
[email protected]8c380582011-12-02 03:16:10982 // Append entry metadata (e.g., 3_7x):
983 // 3: page_id
984 // 7: SiteInstance ID, or N for null
985 // x: appended if not from the current SiteInstance
[email protected]36fc0392011-12-25 03:59:51986 temp.append(base::IntToString(entries_[i]->GetPageID()));
[email protected]8c380582011-12-02 03:16:10987 temp.append("_");
988 if (entries_[i]->site_instance())
[email protected]b6583592012-01-25 19:52:33989 temp.append(base::IntToString(entries_[i]->site_instance()->GetId()));
[email protected]7ec6f382011-11-11 01:28:17990 else
[email protected]8c380582011-12-02 03:16:10991 temp.append("N");
[email protected]27dd82fd2014-03-03 22:11:43992 if (entries_[i]->site_instance() != rfh->GetSiteInstance())
[email protected]7ec6f382011-11-11 01:28:17993 temp.append("x");
994 temp.append(",");
[email protected]b69934e2011-10-29 02:51:52995 }
996 GURL url(temp);
creis3da03872015-02-20 21:12:32997 rfh->render_view_host()->Send(new ViewMsg_TempCrashWithData(url));
[email protected]8ff00d72012-10-23 19:12:21998 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:43999 }
[email protected]10f417c52011-12-28 21:04:231000 NavigationEntryImpl* existing_entry = entries_[existing_entry_index].get();
[email protected]e9ba4472008-09-14 15:42:431001
Sylvain Defresnec6ccc77d2014-09-19 10:19:351002 if (!ui::PageTransitionIsMainFrame(params.transition)) {
[email protected]e6035c22010-05-25 16:15:521003 // All manual subframes would get new IDs and were handled above, so we
1004 // know this is auto. Since the current page was found in the navigation
1005 // entry list, we're guaranteed to have a last committed entry.
1006 DCHECK(GetLastCommittedEntry());
[email protected]8ff00d72012-10-23 19:12:211007 return NAVIGATION_TYPE_AUTO_SUBFRAME;
[email protected]e6035c22010-05-25 16:15:521008 }
1009
1010 // Anything below here we know is a main frame navigation.
[email protected]e9ba4472008-09-14 15:42:431011 if (pending_entry_ &&
[email protected]59167c22013-06-03 18:07:321012 !pending_entry_->is_renderer_initiated() &&
[email protected]e9ba4472008-09-14 15:42:431013 existing_entry != pending_entry_ &&
[email protected]36fc0392011-12-25 03:59:511014 pending_entry_->GetPageID() == -1 &&
[email protected]230c0012011-04-08 16:27:241015 existing_entry == GetLastCommittedEntry()) {
[email protected]e9ba4472008-09-14 15:42:431016 // In this case, we have a pending entry for a URL but WebCore didn't do a
1017 // new navigation. This happens when you press enter in the URL bar to
1018 // reload. We will create a pending entry, but WebKit will convert it to
1019 // a reload since it's the same page and not create a new entry for it
1020 // (the user doesn't want to have a new back/forward entry when they do
[email protected]230c0012011-04-08 16:27:241021 // this). If this matches the last committed entry, we want to just ignore
1022 // the pending entry and go back to where we were (the "existing entry").
[email protected]8ff00d72012-10-23 19:12:211023 return NAVIGATION_TYPE_SAME_PAGE;
[email protected]e9ba4472008-09-14 15:42:431024 }
1025
[email protected]fc60f222008-12-18 17:36:541026 // Any toplevel navigations with the same base (minus the reference fragment)
1027 // are in-page navigations. We weeded out subframe navigations above. Most of
1028 // the time this doesn't matter since WebKit doesn't tell us about subframe
1029 // navigations that don't actually navigate, but it can happen when there is
1030 // an encoding override (it always sends a navigation request).
[email protected]4ac5fbe2012-09-01 02:19:591031 if (AreURLsInPageNavigation(existing_entry->GetURL(), params.url,
[email protected]5cfbddc2014-06-23 23:52:231032 params.was_within_same_page, rfh)) {
[email protected]8ff00d72012-10-23 19:12:211033 return NAVIGATION_TYPE_IN_PAGE;
[email protected]4ac5fbe2012-09-01 02:19:591034 }
[email protected]fc60f222008-12-18 17:36:541035
[email protected]e9ba4472008-09-14 15:42:431036 // Since we weeded out "new" navigations above, we know this is an existing
[email protected]4c27ba82008-09-24 16:49:091037 // (back/forward) navigation.
[email protected]8ff00d72012-10-23 19:12:211038 return NAVIGATION_TYPE_EXISTING_PAGE;
[email protected]e9ba4472008-09-14 15:42:431039}
1040
[email protected]d202a7c2012-01-04 07:53:471041void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321042 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221043 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221044 bool replace_entry) {
[email protected]10f417c52011-12-28 21:04:231045 NavigationEntryImpl* new_entry;
[email protected]f1eb87a2011-05-06 17:49:411046 bool update_virtual_url;
[email protected]6dd86ab2013-02-27 00:30:341047 // Only make a copy of the pending entry if it is appropriate for the new page
1048 // that was just loaded. We verify this at a coarse grain by checking that
1049 // the SiteInstance hasn't been assigned to something else.
1050 if (pending_entry_ &&
1051 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431052 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351053 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431054
[email protected]f1eb87a2011-05-06 17:49:411055 update_virtual_url = new_entry->update_virtual_url_with_url();
[email protected]e9ba4472008-09-14 15:42:431056 } else {
[email protected]10f417c52011-12-28 21:04:231057 new_entry = new NavigationEntryImpl;
[email protected]f8f93eb2012-09-25 03:06:241058
1059 // Find out whether the new entry needs to update its virtual URL on URL
1060 // change and set up the entry accordingly. This is needed to correctly
1061 // update the virtual URL when replaceState is called after a pushState.
1062 GURL url = params.url;
1063 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431064 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1065 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241066 new_entry->set_update_virtual_url_with_url(needs_update);
1067
[email protected]f1eb87a2011-05-06 17:49:411068 // When navigating to a new page, give the browser URL handler a chance to
1069 // update the virtual URL based on the new URL. For example, this is needed
1070 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1071 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241072 update_virtual_url = needs_update;
[email protected]e9ba4472008-09-14 15:42:431073 }
1074
wjmaclean7431bb22015-02-19 14:53:431075 // Don't use the page type from the pending entry. Some interstitial page
1076 // may have set the type to interstitial. Once we commit, however, the page
1077 // type must always be normal or error.
1078 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1079 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041080 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411081 if (update_virtual_url)
[email protected]38178a42009-12-17 18:58:321082 UpdateVirtualURLToURL(new_entry, params.url);
[email protected]022af742011-12-28 18:37:251083 new_entry->SetReferrer(params.referrer);
[email protected]36fc0392011-12-25 03:59:511084 new_entry->SetPageID(params.page_id);
[email protected]022af742011-12-28 18:37:251085 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331086 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431087 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]36fc0392011-12-25 03:59:511088 new_entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051089 new_entry->SetPostID(params.post_id);
[email protected]7c16976c2012-08-04 02:38:231090 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221091 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431092
[email protected]ff64b3e2014-05-31 04:07:331093 // history.pushState() is classified as a navigation to a new page, but
1094 // sets was_within_same_page to true. In this case, we already have the
[email protected]3a868f212014-08-09 10:41:191095 // title and favicon available, so set them immediately.
1096 if (params.was_within_same_page && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331097 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191098 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1099 }
[email protected]ff64b3e2014-05-31 04:07:331100
[email protected]60d6cca2013-04-30 08:47:131101 DCHECK(!params.history_list_was_cleared || !replace_entry);
1102 // The browser requested to clear the session history when it initiated the
1103 // navigation. Now we know that the renderer has updated its state accordingly
1104 // and it is safe to also clear the browser side history.
1105 if (params.history_list_was_cleared) {
1106 DiscardNonCommittedEntriesInternal();
1107 entries_.clear();
1108 last_committed_entry_index_ = -1;
1109 }
1110
[email protected]4ac5fbe2012-09-01 02:19:591111 InsertOrReplaceEntry(new_entry, replace_entry);
[email protected]e9ba4472008-09-14 15:42:431112}
1113
[email protected]d202a7c2012-01-04 07:53:471114void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321115 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221116 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431117 // We should only get here for main frame navigations.
Sylvain Defresnec6ccc77d2014-09-19 10:19:351118 DCHECK(ui::PageTransitionIsMainFrame(params.transition));
[email protected]e9ba4472008-09-14 15:42:431119
1120 // This is a back/forward navigation. The existing page for the ID is
[email protected]4c27ba82008-09-24 16:49:091121 // guaranteed to exist by ClassifyNavigation, and we just need to update it
1122 // with new information from the renderer.
[email protected]27dd82fd2014-03-03 22:11:431123 int entry_index = GetEntryIndexWithPageID(rfh->GetSiteInstance(),
[email protected]7f0005a2009-04-15 03:25:111124 params.page_id);
[email protected]e9ba4472008-09-14 15:42:431125 DCHECK(entry_index >= 0 &&
1126 entry_index < static_cast<int>(entries_.size()));
[email protected]10f417c52011-12-28 21:04:231127 NavigationEntryImpl* entry = entries_[entry_index].get();
[email protected]e9ba4472008-09-14 15:42:431128
[email protected]5ccd4dc2012-10-24 02:28:141129 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431130 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1131 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041132 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201133 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321134 if (entry->update_virtual_url_with_url())
1135 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141136
1137 // The redirected to page should not inherit the favicon from the previous
1138 // page.
Sylvain Defresnec6ccc77d2014-09-19 10:19:351139 if (ui::PageTransitionIsRedirect(params.transition))
[email protected]91a4ff82012-10-29 20:29:481140 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141141
1142 // The site instance will normally be the same except during session restore,
1143 // when no site instance will be assigned.
[email protected]e9ba4472008-09-14 15:42:431144 DCHECK(entry->site_instance() == NULL ||
[email protected]27dd82fd2014-03-03 22:11:431145 entry->site_instance() == rfh->GetSiteInstance());
[email protected]b6583592012-01-25 19:52:331146 entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431147 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]e9ba4472008-09-14 15:42:431148
[email protected]36fc0392011-12-25 03:59:511149 entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051150 entry->SetPostID(params.post_id);
[email protected]d5a49e52010-01-08 03:01:411151
[email protected]e9ba4472008-09-14 15:42:431152 // The entry we found in the list might be pending if the user hit
1153 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591154 // list, we can just discard the pending pointer). We should also discard the
1155 // pending entry if it corresponds to a different navigation, since that one
1156 // is now likely canceled. If it is not canceled, we will treat it as a new
1157 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431158 //
1159 // Note that we need to use the "internal" version since we don't want to
1160 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491161 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391162
[email protected]80858db52009-10-15 00:35:181163 // If a transient entry was removed, the indices might have changed, so we
1164 // have to query the entry index again.
1165 last_committed_entry_index_ =
[email protected]27dd82fd2014-03-03 22:11:431166 GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431167}
1168
[email protected]d202a7c2012-01-04 07:53:471169void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321170 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221171 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431172 // This mode implies we have a pending entry that's the same as an existing
[email protected]4c27ba82008-09-24 16:49:091173 // entry for this page ID. This entry is guaranteed to exist by
1174 // ClassifyNavigation. All we need to do is update the existing entry.
[email protected]10f417c52011-12-28 21:04:231175 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431176 rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431177
1178 // We assign the entry's unique ID to be that of the new one. Since this is
1179 // always the result of a user action, we want to dismiss infobars, etc. like
1180 // a regular user-initiated navigation.
[email protected]36fc0392011-12-25 03:59:511181 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431182
[email protected]a0e69262009-06-03 19:08:481183 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431184 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1185 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321186 if (existing_entry->update_virtual_url_with_url())
1187 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041188 existing_entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201189 existing_entry->SetReferrer(params.referrer);
[email protected]a0e69262009-06-03 19:08:481190
[email protected]b77686522013-12-11 20:34:191191 // The page may have been requested with a different HTTP method.
1192 existing_entry->SetHasPostData(params.is_post);
1193 existing_entry->SetPostID(params.post_id);
1194
[email protected]cbab76d2008-10-13 22:42:471195 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431196}
1197
[email protected]d202a7c2012-01-04 07:53:471198void NavigationControllerImpl::RendererDidNavigateInPage(
creis3da03872015-02-20 21:12:321199 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221200 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221201 bool* did_replace_entry) {
Sylvain Defresnec6ccc77d2014-09-19 10:19:351202 DCHECK(ui::PageTransitionIsMainFrame(params.transition)) <<
[email protected]e9ba4472008-09-14 15:42:431203 "WebKit should only tell us about in-page navs for the main frame.";
1204 // We're guaranteed to have an entry for this one.
[email protected]10f417c52011-12-28 21:04:231205 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431206 rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431207
1208 // Reference fragment navigation. We're guaranteed to have the last_committed
1209 // entry and it will be the same page as the new navigation (minus the
[email protected]d466b8a2011-07-15 21:48:031210 // reference fragments, of course). We'll update the URL of the existing
1211 // entry without pruning the forward history.
wjmaclean7431bb22015-02-19 14:53:431212 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1213 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041214 existing_entry->SetURL(params.url);
[email protected]d466b8a2011-07-15 21:48:031215 if (existing_entry->update_virtual_url_with_url())
1216 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ccbe04e2010-03-17 17:58:431217
[email protected]12cef652014-05-31 22:25:151218 existing_entry->SetHasPostData(params.is_post);
1219 existing_entry->SetPostID(params.post_id);
1220
[email protected]ccbe04e2010-03-17 17:58:431221 // This replaces the existing entry since the page ID didn't change.
1222 *did_replace_entry = true;
[email protected]d466b8a2011-07-15 21:48:031223
[email protected]6eebaab2012-11-15 04:39:491224 DiscardNonCommittedEntriesInternal();
[email protected]d466b8a2011-07-15 21:48:031225
1226 // If a transient entry was removed, the indices might have changed, so we
1227 // have to query the entry index again.
1228 last_committed_entry_index_ =
[email protected]27dd82fd2014-03-03 22:11:431229 GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431230}
1231
[email protected]d202a7c2012-01-04 07:53:471232void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321233 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221234 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291235 if (!ui::PageTransitionCoreTypeIs(params.transition,
1236 ui::PAGE_TRANSITION_MANUAL_SUBFRAME)) {
1237 // There was a comment here that said, "This is not user-initiated. Ignore."
1238 // But this makes no sense; non-user-initiated navigations should be
1239 // determined to be of type NAVIGATION_TYPE_AUTO_SUBFRAME and sent to
1240 // RendererDidNavigateAutoSubframe below.
1241 //
1242 // This if clause dates back to https://codereview.chromium.org/115919 and
1243 // the handling of immediate redirects. TODO(avi): Is this still valid? I'm
1244 // pretty sure that's there's nothing left of that code and that we should
1245 // take this out.
1246 //
1247 // Except for cross-process iframes; this doesn't work yet for them.
1248 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
1249 switches::kSitePerProcess)) {
1250 NOTREACHED();
1251 }
1252
[email protected]f233e4232013-02-23 00:55:141253 DiscardNonCommittedEntriesInternal();
[email protected]09b8f82f2009-06-16 20:22:111254 return;
1255 }
[email protected]09b8f82f2009-06-16 20:22:111256
[email protected]e9ba4472008-09-14 15:42:431257 // Manual subframe navigations just get the current entry cloned so the user
1258 // can go back or forward to it. The actual subframe information will be
1259 // stored in the page state for each of those entries. This happens out of
1260 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091261 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1262 << "that a last committed entry exists.";
creisef4a0cb2015-03-12 19:14:351263 NavigationEntryImpl* new_entry = GetLastCommittedEntry()->Clone();
[email protected]36fc0392011-12-25 03:59:511264 new_entry->SetPageID(params.page_id);
[email protected]672eba292009-05-13 13:22:451265 InsertOrReplaceEntry(new_entry, false);
[email protected]e9ba4472008-09-14 15:42:431266}
1267
[email protected]d202a7c2012-01-04 07:53:471268bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321269 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221270 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291271 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1272 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1273
[email protected]e9ba4472008-09-14 15:42:431274 // We're guaranteed to have a previously committed entry, and we now need to
1275 // handle navigation inside of a subframe in it without creating a new entry.
1276 DCHECK(GetLastCommittedEntry());
1277
1278 // Handle the case where we're navigating back/forward to a previous subframe
1279 // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the
1280 // header file. In case "1." this will be a NOP.
1281 int entry_index = GetEntryIndexWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431282 rfh->GetSiteInstance(),
[email protected]e9ba4472008-09-14 15:42:431283 params.page_id);
1284 if (entry_index < 0 ||
1285 entry_index >= static_cast<int>(entries_.size())) {
1286 NOTREACHED();
1287 return false;
1288 }
1289
1290 // Update the current navigation entry in case we're going back/forward.
1291 if (entry_index != last_committed_entry_index_) {
[email protected]e9ba4472008-09-14 15:42:431292 last_committed_entry_index_ = entry_index;
[email protected]f233e4232013-02-23 00:55:141293 DiscardNonCommittedEntriesInternal();
[email protected]e9ba4472008-09-14 15:42:431294 return true;
1295 }
[email protected]f233e4232013-02-23 00:55:141296
1297 // We do not need to discard the pending entry in this case, since we will
1298 // not generate commit notifications for this auto-subframe navigation.
[email protected]e9ba4472008-09-14 15:42:431299 return false;
1300}
1301
[email protected]d202a7c2012-01-04 07:53:471302int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231303 const NavigationEntryImpl* entry) const {
[email protected]765b35502008-08-21 00:51:201304 const NavigationEntries::const_iterator i(std::find(
1305 entries_.begin(),
1306 entries_.end(),
1307 entry));
1308 return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin());
1309}
1310
[email protected]ce760d742012-08-30 22:31:101311bool NavigationControllerImpl::IsURLInPageNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121312 const GURL& url,
1313 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:231314 RenderFrameHost* rfh) const {
[email protected]10f417c52011-12-28 21:04:231315 NavigationEntry* last_committed = GetLastCommittedEntry();
[email protected]ce760d742012-08-30 22:31:101316 return last_committed && AreURLsInPageNavigation(
[email protected]5cfbddc2014-06-23 23:52:231317 last_committed->GetURL(), url, renderer_says_in_page, rfh);
[email protected]e9ba4472008-09-14 15:42:431318}
1319
[email protected]d202a7c2012-01-04 07:53:471320void NavigationControllerImpl::CopyStateFrom(
[email protected]c5eed492012-01-04 17:07:501321 const NavigationController& temp) {
[email protected]d202a7c2012-01-04 07:53:471322 const NavigationControllerImpl& source =
1323 static_cast<const NavigationControllerImpl&>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571324 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551325 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571326
[email protected]a26023822011-12-29 00:23:551327 if (source.GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571328 return; // Nothing new to do.
1329
1330 needs_reload_ = true;
[email protected]a26023822011-12-29 00:23:551331 InsertEntriesFrom(source, source.GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571332
[email protected]fdac6ade2013-07-20 01:06:301333 for (SessionStorageNamespaceMap::const_iterator it =
1334 source.session_storage_namespace_map_.begin();
1335 it != source.session_storage_namespace_map_.end();
1336 ++it) {
1337 SessionStorageNamespaceImpl* source_namespace =
1338 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1339 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1340 }
[email protected]4e6419c2010-01-15 04:50:341341
[email protected]2ca1ea662012-10-04 02:26:361342 FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION);
[email protected]91854cd2012-01-10 19:43:571343
1344 // Copy the max page id map from the old tab to the new tab. This ensures
1345 // that new and existing navigations in the tab's current SiteInstances
1346 // are identified properly.
[email protected]ec6c05f2013-10-23 18:41:571347 delegate_->CopyMaxPageIDsFrom(source.delegate()->GetWebContents());
[email protected]ce3fa3c2009-04-20 19:55:571348}
1349
[email protected]d202a7c2012-01-04 07:53:471350void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571351 NavigationController* temp,
1352 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161353 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011354 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161355
[email protected]d202a7c2012-01-04 07:53:471356 NavigationControllerImpl* source =
1357 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251358
avi2b177592014-12-10 02:08:021359 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011360 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251361
[email protected]474f8512013-05-31 22:31:161362 // We now have one entry, possibly with a new pending entry. Ensure that
1363 // adding the entries from source won't put us over the limit.
1364 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571365 if (!replace_entry)
1366 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251367
[email protected]47e020a2010-10-15 14:43:371368 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021369 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161370 // since it has not committed in source.
1371 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251372 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551373 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251374 else
1375 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571376
1377 // Ignore the source's current entry if merging with replacement.
1378 // TODO(davidben): This should preserve entries forward of the current
1379 // too. http://crbug.com/317872
1380 if (replace_entry && max_source_index > 0)
1381 max_source_index--;
1382
[email protected]47e020a2010-10-15 14:43:371383 InsertEntriesFrom(*source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251384
1385 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551386 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141387
avi2b177592014-12-10 02:08:021388 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1389 GetEntryCount());
[email protected]91854cd2012-01-10 19:43:571390
avi2b177592014-12-10 02:08:021391 // Copy the max page id map from the old tab to the new tab. This ensures that
1392 // new and existing navigations in the tab's current SiteInstances are
1393 // identified properly.
creis3da03872015-02-20 21:12:321394 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
avi2b177592014-12-10 02:08:021395 int32 site_max_page_id =
1396 delegate_->GetMaxPageIDForSiteInstance(last_committed->site_instance());
[email protected]ec6c05f2013-10-23 18:41:571397 delegate_->CopyMaxPageIDsFrom(source->delegate()->GetWebContents());
avi2b177592014-12-10 02:08:021398 delegate_->UpdateMaxPageIDForSiteInstance(last_committed->site_instance(),
1399 site_max_page_id);
[email protected]f69ed362014-04-28 14:01:421400 max_restored_page_id_ = source->max_restored_page_id_;
[email protected]e1cd5452010-08-26 18:03:251401}
1402
[email protected]79368982013-11-13 01:11:011403bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161404 // If there is no last committed entry, we cannot prune. Even if there is a
1405 // pending entry, it may not commit, leaving this WebContents blank, despite
1406 // possibly giving it new entries via CopyStateFromAndPrune.
1407 if (last_committed_entry_index_ == -1)
1408 return false;
[email protected]9350602e2013-02-26 23:27:441409
[email protected]474f8512013-05-31 22:31:161410 // We cannot prune if there is a pending entry at an existing entry index.
1411 // It may not commit, so we have to keep the last committed entry, and thus
1412 // there is no sensible place to keep the pending entry. It is ok to have
1413 // a new pending entry, which can optionally commit as a new navigation.
1414 if (pending_entry_index_ != -1)
1415 return false;
1416
1417 // We should not prune if we are currently showing a transient entry.
1418 if (transient_entry_index_ != -1)
1419 return false;
1420
1421 return true;
1422}
1423
[email protected]79368982013-11-13 01:11:011424void NavigationControllerImpl::PruneAllButLastCommitted() {
1425 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161426
avi2b177592014-12-10 02:08:021427 DCHECK_EQ(0, last_committed_entry_index_);
1428 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441429
avi2b177592014-12-10 02:08:021430 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1431 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441432}
1433
[email protected]79368982013-11-13 01:11:011434void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161435 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011436 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261437
[email protected]474f8512013-05-31 22:31:161438 // Erase all entries but the last committed entry. There may still be a
1439 // new pending entry after this.
1440 entries_.erase(entries_.begin(),
1441 entries_.begin() + last_committed_entry_index_);
1442 entries_.erase(entries_.begin() + 1, entries_.end());
1443 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261444}
1445
[email protected]15f46dc2013-01-24 05:40:241446void NavigationControllerImpl::ClearAllScreenshots() {
[email protected]1a3f5312013-04-26 21:00:101447 screenshot_manager_->ClearAllScreenshots();
[email protected]15f46dc2013-01-24 05:40:241448}
1449
[email protected]d1198fd2012-08-13 22:50:191450void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:301451 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:211452 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:191453 if (!session_storage_namespace)
1454 return;
1455
1456 // We can't overwrite an existing SessionStorage without violating spec.
1457 // Attempts to do so may give a tab access to another tab's session storage
1458 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:301459 bool successful_insert = session_storage_namespace_map_.insert(
1460 make_pair(partition_id,
1461 static_cast<SessionStorageNamespaceImpl*>(
1462 session_storage_namespace)))
1463 .second;
1464 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:191465}
1466
[email protected]d202a7c2012-01-04 07:53:471467void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) {
[email protected]71fde352011-12-29 03:29:561468 max_restored_page_id_ = max_id;
1469}
1470
[email protected]d202a7c2012-01-04 07:53:471471int32 NavigationControllerImpl::GetMaxRestoredPageID() const {
[email protected]71fde352011-12-29 03:29:561472 return max_restored_page_id_;
[email protected]a26023822011-12-29 00:23:551473}
1474
[email protected]aa62afd2014-04-22 19:22:461475bool NavigationControllerImpl::IsUnmodifiedBlankTab() const {
[email protected]aa62afd2014-04-22 19:22:461476 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:101477 !GetLastCommittedEntry() &&
1478 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:461479}
1480
[email protected]a26023822011-12-29 00:23:551481SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:301482NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
1483 std::string partition_id;
1484 if (instance) {
1485 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
1486 // this if statement so |instance| must not be NULL.
1487 partition_id =
1488 GetContentClient()->browser()->GetStoragePartitionIdForSite(
1489 browser_context_, instance->GetSiteURL());
1490 }
[email protected]d1198fd2012-08-13 22:50:191491
[email protected]fdac6ade2013-07-20 01:06:301492 SessionStorageNamespaceMap::const_iterator it =
1493 session_storage_namespace_map_.find(partition_id);
1494 if (it != session_storage_namespace_map_.end())
1495 return it->second.get();
1496
1497 // Create one if no one has accessed session storage for this partition yet.
1498 //
1499 // TODO(ajwong): Should this use the |partition_id| directly rather than
1500 // re-lookup via |instance|? http://crbug.com/142685
1501 StoragePartition* partition =
1502 BrowserContext::GetStoragePartition(browser_context_, instance);
1503 SessionStorageNamespaceImpl* session_storage_namespace =
1504 new SessionStorageNamespaceImpl(
[email protected]5f2aa722013-08-07 16:59:411505 static_cast<DOMStorageContextWrapper*>(
[email protected]fdac6ade2013-07-20 01:06:301506 partition->GetDOMStorageContext()));
1507 session_storage_namespace_map_[partition_id] = session_storage_namespace;
1508
1509 return session_storage_namespace;
1510}
1511
1512SessionStorageNamespace*
1513NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
1514 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
1515 return GetSessionStorageNamespace(NULL);
1516}
1517
1518const SessionStorageNamespaceMap&
1519NavigationControllerImpl::GetSessionStorageNamespaceMap() const {
1520 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:551521}
[email protected]d202a7c2012-01-04 07:53:471522
1523bool NavigationControllerImpl::NeedsReload() const {
[email protected]71fde352011-12-29 03:29:561524 return needs_reload_;
1525}
[email protected]a26023822011-12-29 00:23:551526
[email protected]46bb5e9c2013-10-03 22:16:471527void NavigationControllerImpl::SetNeedsReload() {
1528 needs_reload_ = true;
jaekyunc8cefa82015-01-09 20:14:541529
1530 if (last_committed_entry_index_ != -1) {
1531 entries_[last_committed_entry_index_]->SetTransitionType(
1532 ui::PAGE_TRANSITION_RELOAD);
1533 }
[email protected]46bb5e9c2013-10-03 22:16:471534}
1535
[email protected]d202a7c2012-01-04 07:53:471536void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:551537 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:121538 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:311539
1540 DiscardNonCommittedEntries();
1541
1542 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:121543 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:311544 last_committed_entry_index_--;
1545}
1546
[email protected]d202a7c2012-01-04 07:53:471547void NavigationControllerImpl::DiscardNonCommittedEntries() {
[email protected]cbab76d2008-10-13 22:42:471548 bool transient = transient_entry_index_ != -1;
1549 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:291550
[email protected]cbab76d2008-10-13 22:42:471551 // If there was a transient entry, invalidate everything so the new active
1552 // entry state is shown.
1553 if (transient) {
[email protected]7f924832014-08-09 05:57:221554 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:471555 }
initial.commit09911bf2008-07-26 23:55:291556}
1557
creis3da03872015-02-20 21:12:321558NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() const {
[email protected]022af742011-12-28 18:37:251559 return pending_entry_;
1560}
1561
[email protected]d202a7c2012-01-04 07:53:471562int NavigationControllerImpl::GetPendingEntryIndex() const {
[email protected]a26023822011-12-29 00:23:551563 return pending_entry_index_;
1564}
1565
[email protected]d202a7c2012-01-04 07:53:471566void NavigationControllerImpl::InsertOrReplaceEntry(NavigationEntryImpl* entry,
1567 bool replace) {
Sylvain Defresnec6ccc77d2014-09-19 10:19:351568 DCHECK(entry->GetTransitionType() != ui::PAGE_TRANSITION_AUTO_SUBFRAME);
[email protected]765b35502008-08-21 00:51:201569
1570 // Copy the pending entry's unique ID to the committed entry.
1571 // I don't know if pending_entry_index_ can be other than -1 here.
[email protected]10f417c52011-12-28 21:04:231572 const NavigationEntryImpl* const pending_entry =
1573 (pending_entry_index_ == -1) ?
1574 pending_entry_ : entries_[pending_entry_index_].get();
[email protected]765b35502008-08-21 00:51:201575 if (pending_entry)
[email protected]36fc0392011-12-25 03:59:511576 entry->set_unique_id(pending_entry->GetUniqueID());
[email protected]765b35502008-08-21 00:51:201577
[email protected]cbab76d2008-10-13 22:42:471578 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:201579
1580 int current_size = static_cast<int>(entries_.size());
avi6567f302015-02-26 22:55:151581 DCHECK_IMPLIES(replace, current_size > 0);
[email protected]765b35502008-08-21 00:51:201582
[email protected]765b35502008-08-21 00:51:201583 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:451584 // Prune any entries which are in front of the current entry.
1585 // Also prune the current entry if we are to replace the current entry.
[email protected]47dcbdc2011-05-27 15:08:311586 // last_committed_entry_index_ must be updated here since calls to
1587 // NotifyPrunedEntries() below may re-enter and we must make sure
1588 // last_committed_entry_index_ is not left in an invalid state.
1589 if (replace)
1590 --last_committed_entry_index_;
1591
[email protected]c12bf1a12008-09-17 16:28:491592 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:311593 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:491594 num_pruned++;
[email protected]765b35502008-08-21 00:51:201595 entries_.pop_back();
1596 current_size--;
1597 }
[email protected]c12bf1a12008-09-17 16:28:491598 if (num_pruned > 0) // Only notify if we did prune something.
1599 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:201600 }
1601
[email protected]944822b2012-03-02 20:57:251602 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:201603
[email protected]10f417c52011-12-28 21:04:231604 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]765b35502008-08-21 00:51:201605 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
[email protected]e9ba4472008-09-14 15:42:431606
1607 // This is a new page ID, so we need everybody to know about it.
[email protected]ec6c05f2013-10-23 18:41:571608 delegate_->UpdateMaxPageID(entry->GetPageID());
initial.commit09911bf2008-07-26 23:55:291609}
1610
[email protected]944822b2012-03-02 20:57:251611void NavigationControllerImpl::PruneOldestEntryIfFull() {
1612 if (entries_.size() >= max_entry_count()) {
1613 DCHECK_EQ(max_entry_count(), entries_.size());
[email protected]e6fec472013-05-14 05:29:021614 DCHECK_GT(last_committed_entry_index_, 0);
[email protected]944822b2012-03-02 20:57:251615 RemoveEntryAtIndex(0);
1616 NotifyPrunedEntries(this, true, 1);
1617 }
1618}
1619
[email protected]d202a7c2012-01-04 07:53:471620void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
[email protected]72097fd02010-01-21 23:36:011621 needs_reload_ = false;
1622
[email protected]83c2e232011-10-07 21:36:461623 // If we were navigating to a slow-to-commit page, and the user performs
1624 // a session history navigation to the last committed page, RenderViewHost
1625 // will force the throbber to start, but WebKit will essentially ignore the
1626 // navigation, and won't send a message to stop the throbber. To prevent this
1627 // from happening, we drop the navigation here and stop the slow-to-commit
1628 // page from loading (which would normally happen during the navigation).
1629 if (pending_entry_index_ != -1 &&
1630 pending_entry_index_ == last_committed_entry_index_ &&
1631 (entries_[pending_entry_index_]->restore_type() ==
[email protected]10f417c52011-12-28 21:04:231632 NavigationEntryImpl::RESTORE_NONE) &&
[email protected]36fc0392011-12-25 03:59:511633 (entries_[pending_entry_index_]->GetTransitionType() &
Sylvain Defresnec6ccc77d2014-09-19 10:19:351634 ui::PAGE_TRANSITION_FORWARD_BACK)) {
[email protected]ec6c05f2013-10-23 18:41:571635 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:121636
1637 // If an interstitial page is showing, we want to close it to get back
1638 // to what was showing before.
[email protected]ec6c05f2013-10-23 18:41:571639 if (delegate_->GetInterstitialPage())
1640 delegate_->GetInterstitialPage()->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:121641
[email protected]83c2e232011-10-07 21:36:461642 DiscardNonCommittedEntries();
1643 return;
1644 }
1645
[email protected]6a13a6c2011-12-20 21:47:121646 // If an interstitial page is showing, the previous renderer is blocked and
1647 // cannot make new requests. Unblock (and disable) it to allow this
1648 // navigation to succeed. The interstitial will stay visible until the
1649 // resulting DidNavigate.
[email protected]ec6c05f2013-10-23 18:41:571650 if (delegate_->GetInterstitialPage()) {
1651 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())->
[email protected]cadaec52012-02-08 21:53:131652 CancelForNavigation();
1653 }
[email protected]6a13a6c2011-12-20 21:47:121654
initial.commit09911bf2008-07-26 23:55:291655 // For session history navigations only the pending_entry_index_ is set.
1656 if (!pending_entry_) {
[email protected]4bf3522c2010-08-19 21:00:201657 DCHECK_NE(pending_entry_index_, -1);
[email protected]765b35502008-08-21 00:51:201658 pending_entry_ = entries_[pending_entry_index_].get();
initial.commit09911bf2008-07-26 23:55:291659 }
1660
[email protected]40fd3032014-02-28 22:16:281661 // This call does not support re-entrancy. See http://crbug.com/347742.
1662 CHECK(!in_navigate_to_pending_entry_);
1663 in_navigate_to_pending_entry_ = true;
1664 bool success = delegate_->NavigateToPendingEntry(reload_type);
1665 in_navigate_to_pending_entry_ = false;
1666
1667 if (!success)
[email protected]cbab76d2008-10-13 22:42:471668 DiscardNonCommittedEntries();
[email protected]77362eb2011-08-01 17:18:381669
1670 // If the entry is being restored and doesn't have a SiteInstance yet, fill
1671 // it in now that we know. This allows us to find the entry when it commits.
[email protected]77362eb2011-08-01 17:18:381672 if (pending_entry_ && !pending_entry_->site_instance() &&
[email protected]10f417c52011-12-28 21:04:231673 pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE) {
[email protected]b6583592012-01-25 19:52:331674 pending_entry_->set_site_instance(static_cast<SiteInstanceImpl*>(
[email protected]ec6c05f2013-10-23 18:41:571675 delegate_->GetPendingSiteInstance()));
[email protected]10f417c52011-12-28 21:04:231676 pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE);
[email protected]77362eb2011-08-01 17:18:381677 }
initial.commit09911bf2008-07-26 23:55:291678}
1679
[email protected]d202a7c2012-01-04 07:53:471680void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:211681 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:271682 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:401683
[email protected]2db9bd72012-04-13 20:20:561684 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:401685 // location bar will have up-to-date information about the security style
1686 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:131687 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:401688
[email protected]7f924832014-08-09 05:57:221689 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:571690 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:461691
[email protected]b0f724c2013-09-05 04:21:131692 // TODO(avi): Remove. http://crbug.com/170921
1693 NotificationDetails notification_details =
1694 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:211695 NotificationService::current()->Notify(
1696 NOTIFICATION_NAV_ENTRY_COMMITTED,
1697 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:401698 notification_details);
initial.commit09911bf2008-07-26 23:55:291699}
1700
initial.commit09911bf2008-07-26 23:55:291701// static
[email protected]d202a7c2012-01-04 07:53:471702size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:231703 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
1704 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:211705 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:231706}
1707
[email protected]d202a7c2012-01-04 07:53:471708void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:221709 if (is_active && needs_reload_)
1710 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:291711}
1712
[email protected]d202a7c2012-01-04 07:53:471713void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:291714 if (!needs_reload_)
1715 return;
1716
initial.commit09911bf2008-07-26 23:55:291717 // Calling Reload() results in ignoring state, and not loading.
1718 // Explicitly use NavigateToPendingEntry so that the renderer uses the
1719 // cached state.
1720 pending_entry_index_ = last_committed_entry_index_;
[email protected]1ccb3568d2010-02-19 10:51:161721 NavigateToPendingEntry(NO_RELOAD);
initial.commit09911bf2008-07-26 23:55:291722}
1723
[email protected]d202a7c2012-01-04 07:53:471724void NavigationControllerImpl::NotifyEntryChanged(const NavigationEntry* entry,
1725 int index) {
[email protected]8ff00d72012-10-23 19:12:211726 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:091727 det.changed_entry = entry;
1728 det.index = index;
[email protected]8ff00d72012-10-23 19:12:211729 NotificationService::current()->Notify(
1730 NOTIFICATION_NAV_ENTRY_CHANGED,
1731 Source<NavigationController>(this),
1732 Details<EntryChangedDetails>(&det));
initial.commit09911bf2008-07-26 23:55:291733}
1734
[email protected]d202a7c2012-01-04 07:53:471735void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:361736 RestoreType type) {
[email protected]a26023822011-12-29 00:23:551737 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:361738 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:291739
[email protected]71fde352011-12-29 03:29:561740 SetMaxRestoredPageID(static_cast<int32>(GetEntryCount()));
initial.commit09911bf2008-07-26 23:55:291741
1742 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:291743}
[email protected]765b35502008-08-21 00:51:201744
[email protected]d202a7c2012-01-04 07:53:471745void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
[email protected]b12eb222013-09-10 00:11:481746 DiscardPendingEntry();
1747 DiscardTransientEntry();
1748}
1749
1750void NavigationControllerImpl::DiscardPendingEntry() {
[email protected]40fd3032014-02-28 22:16:281751 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
[email protected]e7fee58a2014-04-11 19:51:401752 // progress, since this will cause a use-after-free. (We only allow this
1753 // when the tab is being destroyed for shutdown, since it won't return to
1754 // NavigateToEntry in that case.) http://crbug.com/347742.
1755 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
[email protected]40fd3032014-02-28 22:16:281756
[email protected]765b35502008-08-21 00:51:201757 if (pending_entry_index_ == -1)
1758 delete pending_entry_;
1759 pending_entry_ = NULL;
1760 pending_entry_index_ = -1;
[email protected]cbab76d2008-10-13 22:42:471761}
1762
[email protected]d202a7c2012-01-04 07:53:471763void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:471764 if (transient_entry_index_ == -1)
1765 return;
[email protected]a0e69262009-06-03 19:08:481766 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:181767 if (last_committed_entry_index_ > transient_entry_index_)
1768 last_committed_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:471769 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:201770}
1771
[email protected]d202a7c2012-01-04 07:53:471772int NavigationControllerImpl::GetEntryIndexWithPageID(
[email protected]7f0005a2009-04-15 03:25:111773 SiteInstance* instance, int32 page_id) const {
[email protected]765b35502008-08-21 00:51:201774 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
[email protected]7f0005a2009-04-15 03:25:111775 if ((entries_[i]->site_instance() == instance) &&
[email protected]36fc0392011-12-25 03:59:511776 (entries_[i]->GetPageID() == page_id))
[email protected]765b35502008-08-21 00:51:201777 return i;
1778 }
1779 return -1;
1780}
[email protected]cbab76d2008-10-13 22:42:471781
creis3da03872015-02-20 21:12:321782NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() const {
[email protected]cbab76d2008-10-13 22:42:471783 if (transient_entry_index_ == -1)
1784 return NULL;
1785 return entries_[transient_entry_index_].get();
1786}
[email protected]e1cd5452010-08-26 18:03:251787
[email protected]0b684262013-02-20 02:18:211788void NavigationControllerImpl::SetTransientEntry(NavigationEntry* entry) {
1789 // Discard any current transient entry, we can only have one at a time.
1790 int index = 0;
1791 if (last_committed_entry_index_ != -1)
1792 index = last_committed_entry_index_ + 1;
1793 DiscardTransientEntry();
1794 entries_.insert(
1795 entries_.begin() + index, linked_ptr<NavigationEntryImpl>(
1796 NavigationEntryImpl::FromNavigationEntry(entry)));
1797 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:221798 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:211799}
1800
[email protected]d202a7c2012-01-04 07:53:471801void NavigationControllerImpl::InsertEntriesFrom(
1802 const NavigationControllerImpl& source,
[email protected]e1cd5452010-08-26 18:03:251803 int max_index) {
[email protected]a26023822011-12-29 00:23:551804 DCHECK_LE(max_index, source.GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:251805 size_t insert_index = 0;
1806 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:351807 // When cloning a tab, copy all entries except interstitial pages.
1808 if (source.entries_[i].get()->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
1809 // TODO(creis): Once we start sharing FrameNavigationEntries between
1810 // NavigationEntries, it will not be safe to share them with another tab.
1811 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:251812 entries_.insert(entries_.begin() + insert_index++,
[email protected]10f417c52011-12-28 21:04:231813 linked_ptr<NavigationEntryImpl>(
creisef4a0cb2015-03-12 19:14:351814 source.entries_[i]->Clone()));
[email protected]e1cd5452010-08-26 18:03:251815 }
1816 }
1817}
[email protected]c5b88d82012-10-06 17:03:331818
1819void NavigationControllerImpl::SetGetTimestampCallbackForTest(
1820 const base::Callback<base::Time()>& get_timestamp_callback) {
1821 get_timestamp_callback_ = get_timestamp_callback;
1822}
[email protected]8ff00d72012-10-23 19:12:211823
1824} // namespace content