blob: 73f7b3b5533903aa32ec0203d6bfeb5a5497cf50 [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"
rsleevic327b48f82015-04-30 02:03:2517#include "components/mime_util/mime_util.h"
jamescookda2505812015-03-20 18:01:1818#include "content/browser/bad_message.h"
[email protected]825b1662012-03-12 19:07:3119#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4120#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0421#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]d4a8ca482013-10-30 21:06:4022#include "content/browser/frame_host/debug_urls.h"
23#include "content/browser/frame_host/interstitial_page_impl.h"
24#include "content/browser/frame_host/navigation_entry_impl.h"
[email protected]d1581d72013-11-05 19:11:2625#include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
[email protected]b3c41c0b2012-03-06 15:48:3226#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary
[email protected]b6583592012-01-25 19:52:3327#include "content/browser/site_instance_impl.h"
[email protected]37567b432014-02-12 01:12:2228#include "content/common/frame_messages.h"
[email protected]0aed2f52011-03-23 18:06:3629#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1130#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1931#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4632#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0033#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3834#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1635#include "content/public/browser/notification_types.h"
[email protected]9677a3c2012-12-22 04:18:5836#include "content/public/browser/render_widget_host.h"
37#include "content/public/browser/render_widget_host_view.h"
[email protected]4c3a23582012-08-18 08:54:3438#include "content/public/browser/storage_partition.h"
[email protected]7f6f44c2011-12-14 13:23:3839#include "content/public/browser/user_metrics.h"
[email protected]d1198fd2012-08-13 22:50:1940#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3841#include "content/public/common/content_constants.h"
avi9f07a0c2015-02-18 22:51:2942#include "content/public/common/content_switches.h"
[email protected]a23de8572009-06-03 02:16:3243#include "net/base/escape.h"
[email protected]31682282010-01-15 18:05:1644#include "net/base/mime_util.h"
[email protected]7f070d42011-03-09 20:25:3245#include "net/base/net_util.h"
[email protected]9677a3c2012-12-22 04:18:5846#include "skia/ext/platform_canvas.h"
[email protected]cca6f392014-05-28 21:32:2647#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2948
[email protected]8ff00d72012-10-23 19:12:2149namespace content {
[email protected]e9ba4472008-09-14 15:42:4350namespace {
51
52// Invoked when entries have been pruned, or removed. For example, if the
53// current entries are [google, digg, yahoo], with the current entry google,
54// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4755void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4956 bool from_front,
57 int count) {
[email protected]8ff00d72012-10-23 19:12:2158 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4959 details.from_front = from_front;
60 details.count = count;
[email protected]8ff00d72012-10-23 19:12:2161 NotificationService::current()->Notify(
62 NOTIFICATION_NAV_LIST_PRUNED,
63 Source<NavigationController>(nav_controller),
64 Details<PrunedDetails>(&details));
[email protected]e9ba4472008-09-14 15:42:4365}
66
67// Ensure the given NavigationEntry has a valid state, so that WebKit does not
68// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:3969//
[email protected]e9ba4472008-09-14 15:42:4370// An empty state is treated as a new navigation by WebKit, which would mean
71// losing the navigation entries and generating a new navigation entry after
72// this one. We don't want that. To avoid this we create a valid state which
73// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:0474void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
75 if (!entry->GetPageState().IsValid())
76 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:4377}
78
[email protected]2ca1ea662012-10-04 02:26:3679NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType(
80 NavigationController::RestoreType type) {
81 switch (type) {
82 case NavigationController::RESTORE_CURRENT_SESSION:
83 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
84 case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY:
85 return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY;
86 case NavigationController::RESTORE_LAST_SESSION_CRASHED:
87 return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED;
88 }
89 NOTREACHED();
90 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
91}
92
[email protected]e9ba4472008-09-14 15:42:4393// Configure all the NavigationEntries in entries for restore. This resets
94// the transition type to reload and makes sure the content state isn't empty.
95void ConfigureEntriesForRestore(
[email protected]10f417c52011-12-28 21:04:2396 std::vector<linked_ptr<NavigationEntryImpl> >* entries,
[email protected]2ca1ea662012-10-04 02:26:3697 NavigationController::RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:4398 for (size_t i = 0; i < entries->size(); ++i) {
99 // Use a transition type of reload so that we don't incorrectly increase
100 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35101 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]2ca1ea662012-10-04 02:26:36102 (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type));
[email protected]e9ba4472008-09-14 15:42:43103 // NOTE(darin): This code is only needed for backwards compat.
[email protected]691aa2f2013-05-28 22:52:04104 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43105 }
106}
107
[email protected]5cfbddc2014-06-23 23:52:23108// There are two general cases where a navigation is in page:
109// 1. A fragment navigation, in which the url is kept the same except for the
110// reference fragment.
111// 2. A history API navigation (pushState and replaceState). This case is
112// always in-page, but the urls are not guaranteed to match excluding the
113// fragment. The relevant spec allows pushState/replaceState to any URL on
114// the same origin.
115// However, due to reloads, even identical urls are *not* guaranteed to be
116// in-page navigations, we have to trust the renderer almost entirely.
117// The one thing we do know is that cross-origin navigations will *never* be
118// in-page. Therefore, trust the renderer if the URLs are on the same origin,
119// and assume the renderer is malicious if a cross-origin navigation claims to
120// be in-page.
[email protected]ce760d742012-08-30 22:31:10121bool AreURLsInPageNavigation(const GURL& existing_url,
122 const GURL& new_url,
[email protected]b9d4dfdc2013-08-08 00:25:12123 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:23124 RenderFrameHost* rfh) {
125 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
126 bool is_same_origin = existing_url.is_empty() ||
[email protected]62e412b2014-07-11 20:06:03127 // TODO(japhet): We should only permit navigations
128 // originating from about:blank to be in-page if the
129 // about:blank is the first document that frame loaded.
130 // We don't have sufficient information to identify
131 // that case at the moment, so always allow about:blank
132 // for now.
133 existing_url == GURL(url::kAboutBlankURL) ||
[email protected]5cfbddc2014-06-23 23:52:23134 existing_url.GetOrigin() == new_url.GetOrigin() ||
ningxin.hu3d4264362015-01-26 09:10:57135 !prefs.web_security_enabled ||
136 (prefs.allow_universal_access_from_file_urls &&
137 existing_url.SchemeIs(url::kFileScheme));
jamescookda2505812015-03-20 18:01:18138 if (!is_same_origin && renderer_says_in_page) {
139 bad_message::ReceivedBadMessage(rfh->GetProcess(),
140 bad_message::NC_IN_PAGE_NAVIGATION);
141 }
[email protected]5cfbddc2014-06-23 23:52:23142 return is_same_origin && renderer_says_in_page;
[email protected]e9ba4472008-09-14 15:42:43143}
144
[email protected]bf70edce2012-06-20 22:32:22145// Determines whether or not we should be carrying over a user agent override
146// between two NavigationEntries.
[email protected]8ff00d72012-10-23 19:12:21147bool ShouldKeepOverride(const NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22148 return last_entry && last_entry->GetIsOverridingUserAgent();
149}
150
[email protected]e9ba4472008-09-14 15:42:43151} // namespace
152
[email protected]d202a7c2012-01-04 07:53:47153// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29154
[email protected]23a918b2014-07-15 09:51:36155const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23156
[email protected]765b35502008-08-21 00:51:20157// static
[email protected]d202a7c2012-01-04 07:53:47158size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23159 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20160
[email protected]e6fec472013-05-14 05:29:02161// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20162// when testing.
163static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29164
[email protected]71fde352011-12-29 03:29:56165// static
[email protected]cdcb1dee2012-01-04 00:46:20166NavigationEntry* NavigationController::CreateNavigationEntry(
[email protected]71fde352011-12-29 03:29:56167 const GURL& url,
[email protected]cdcb1dee2012-01-04 00:46:20168 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35169 ui::PageTransition transition,
[email protected]71fde352011-12-29 03:29:56170 bool is_renderer_initiated,
171 const std::string& extra_headers,
[email protected]cdcb1dee2012-01-04 00:46:20172 BrowserContext* browser_context) {
creis94a977f62015-02-18 23:51:05173 // Fix up the given URL before letting it be rewritten, so that any minor
174 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
175 GURL dest_url(url);
176 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(&dest_url,
177 browser_context);
178
[email protected]71fde352011-12-29 03:29:56179 // Allow the browser URL handler to rewrite the URL. This will, for example,
180 // remove "view-source:" from the beginning of the URL to get the URL that
181 // will actually be loaded. This real URL won't be shown to the user, just
182 // used internally.
creis94a977f62015-02-18 23:51:05183 GURL loaded_url(dest_url);
[email protected]71fde352011-12-29 03:29:56184 bool reverse_on_redirect = false;
[email protected]825b1662012-03-12 19:07:31185 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
[email protected]71fde352011-12-29 03:29:56186 &loaded_url, browser_context, &reverse_on_redirect);
187
188 NavigationEntryImpl* entry = new NavigationEntryImpl(
189 NULL, // The site instance for tabs is sent on navigation
[email protected]2db9bd72012-04-13 20:20:56190 // (WebContents::GetSiteInstance).
[email protected]71fde352011-12-29 03:29:56191 -1,
192 loaded_url,
193 referrer,
[email protected]fcf75d42013-12-03 20:11:26194 base::string16(),
[email protected]71fde352011-12-29 03:29:56195 transition,
196 is_renderer_initiated);
creis94a977f62015-02-18 23:51:05197 entry->SetVirtualURL(dest_url);
198 entry->set_user_typed_url(dest_url);
[email protected]71fde352011-12-29 03:29:56199 entry->set_update_virtual_url_with_url(reverse_on_redirect);
200 entry->set_extra_headers(extra_headers);
201 return entry;
202}
203
[email protected]cdcb1dee2012-01-04 00:46:20204// static
205void NavigationController::DisablePromptOnRepost() {
206 g_check_for_repost = false;
207}
208
[email protected]c5b88d82012-10-06 17:03:33209base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
210 base::Time t) {
211 // If |t| is between the water marks, we're in a run of duplicates
212 // or just getting out of it, so increase the high-water mark to get
213 // a time that probably hasn't been used before and return it.
214 if (low_water_mark_ <= t && t <= high_water_mark_) {
215 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
216 return high_water_mark_;
217 }
218
219 // Otherwise, we're clear of the last duplicate run, so reset the
220 // water marks.
221 low_water_mark_ = high_water_mark_ = t;
222 return t;
223}
224
[email protected]d202a7c2012-01-04 07:53:47225NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57226 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19227 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37228 : browser_context_(browser_context),
[email protected]765b35502008-08-21 00:51:20229 pending_entry_(NULL),
avi45a72532015-04-07 21:01:45230 failed_pending_entry_id_(0),
231 failed_pending_entry_should_replace_(false),
[email protected]765b35502008-08-21 00:51:20232 last_committed_entry_index_(-1),
233 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47234 transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57235 delegate_(delegate),
initial.commit09911bf2008-07-26 23:55:29236 max_restored_page_id_(-1),
[email protected]69e797f2013-04-30 01:10:22237 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57238 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09239 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28240 in_navigate_to_pending_entry_(false),
[email protected]c5b88d82012-10-06 17:03:33241 pending_reload_(NO_RELOAD),
[email protected]8cea7892013-02-06 06:49:31242 get_timestamp_callback_(base::Bind(&base::Time::Now)),
[email protected]d1581d72013-11-05 19:11:26243 screenshot_manager_(new NavigationEntryScreenshotManager(this)) {
[email protected]3d7474ff2011-07-27 17:47:37244 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29245}
246
[email protected]d202a7c2012-01-04 07:53:47247NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47248 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29249}
250
[email protected]d202a7c2012-01-04 07:53:47251WebContents* NavigationControllerImpl::GetWebContents() const {
[email protected]ec6c05f2013-10-23 18:41:57252 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32253}
254
[email protected]d202a7c2012-01-04 07:53:47255BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
[email protected]a26023822011-12-29 00:23:55256 return browser_context_;
257}
258
[email protected]d202a7c2012-01-04 07:53:47259void NavigationControllerImpl::SetBrowserContext(
260 BrowserContext* browser_context) {
[email protected]cdcb1dee2012-01-04 00:46:20261 browser_context_ = browser_context;
262}
263
[email protected]d202a7c2012-01-04 07:53:47264void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30265 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36266 RestoreType type,
[email protected]10f417c52011-12-28 21:04:23267 std::vector<NavigationEntry*>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57268 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55269 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57270 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14271 selected_navigation < static_cast<int>(entries->size()));
[email protected]ce3fa3c2009-04-20 19:55:57272
[email protected]ce3fa3c2009-04-20 19:55:57273 needs_reload_ = true;
[email protected]ad23a092011-12-28 07:02:04274 for (size_t i = 0; i < entries->size(); ++i) {
[email protected]10f417c52011-12-28 21:04:23275 NavigationEntryImpl* entry =
276 NavigationEntryImpl::FromNavigationEntry((*entries)[i]);
277 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]ad23a092011-12-28 07:02:04278 }
[email protected]03838e22011-06-06 15:27:14279 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57280
281 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36282 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57283}
284
[email protected]d202a7c2012-01-04 07:53:47285void NavigationControllerImpl::Reload(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16286 ReloadInternal(check_for_repost, RELOAD);
287}
[email protected]d202a7c2012-01-04 07:53:47288void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16289 ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE);
290}
[email protected]7c16976c2012-08-04 02:38:23291void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) {
292 ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL);
293}
[email protected]1ccb3568d2010-02-19 10:51:16294
[email protected]d202a7c2012-01-04 07:53:47295void NavigationControllerImpl::ReloadInternal(bool check_for_repost,
296 ReloadType reload_type) {
[email protected]669e0ba2012-08-30 23:57:36297 if (transient_entry_index_ != -1) {
298 // If an interstitial is showing, treat a reload as a navigation to the
299 // transient entry's URL.
creis3da03872015-02-20 21:12:32300 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27301 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36302 return;
[email protected]6286a3792013-10-09 04:03:27303 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21304 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35305 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27306 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47307 return;
[email protected]669e0ba2012-08-30 23:57:36308 }
[email protected]cbab76d2008-10-13 22:42:47309
[email protected]59167c22013-06-03 18:07:32310 NavigationEntryImpl* entry = NULL;
311 int current_index = -1;
312
313 // If we are reloading the initial navigation, just use the current
314 // pending entry. Otherwise look up the current entry.
315 if (IsInitialNavigation() && pending_entry_) {
316 entry = pending_entry_;
317 // The pending entry might be in entries_ (e.g., after a Clone), so we
318 // should also update the current_index.
319 current_index = pending_entry_index_;
320 } else {
321 DiscardNonCommittedEntriesInternal();
322 current_index = GetCurrentEntryIndex();
323 if (current_index != -1) {
creis3da03872015-02-20 21:12:32324 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32325 }
[email protected]979a4bc2013-04-24 01:27:15326 }
[email protected]241db352013-04-22 18:04:05327
[email protected]59167c22013-06-03 18:07:32328 // If we are no where, then we can't reload. TODO(darin): We should add a
329 // CanReload method.
330 if (!entry)
331 return;
332
[email protected]eaaba7dd2013-10-14 02:38:07333 if (reload_type == NavigationControllerImpl::RELOAD_ORIGINAL_REQUEST_URL &&
334 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
335 // We may have been redirected when navigating to the current URL.
336 // Use the URL the user originally intended to visit, if it's valid and if a
337 // POST wasn't involved; the latter case avoids issues with sending data to
338 // the wrong page.
339 entry->SetURL(entry->GetOriginalRequestURL());
[email protected]25cd5f12014-01-10 11:02:20340 entry->SetReferrer(Referrer());
[email protected]eaaba7dd2013-10-14 02:38:07341 }
342
[email protected]cdcb1dee2012-01-04 00:46:20343 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32344 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30345 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07346 // they really want to do this. If they do, the dialog will call us back
347 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57348 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02349
[email protected]106a0812010-03-18 00:15:12350 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57351 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29352 } else {
[email protected]59167c22013-06-03 18:07:32353 if (!IsInitialNavigation())
354 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26355
[email protected]bcd904482012-02-01 01:54:22356 // If we are reloading an entry that no longer belongs to the current
357 // site instance (for example, refreshing a page for just installed app),
358 // the reload must happen in a new process.
359 // The new entry must have a new page_id and site instance, so it behaves
360 // as new navigation (which happens to clear forward history).
[email protected]7e58cb272012-03-30 21:22:30361 // Tabs that are discarded due to low memory conditions may not have a site
362 // instance, and should not be treated as a cross-site reload.
[email protected]59167c22013-06-03 18:07:32363 SiteInstanceImpl* site_instance = entry->site_instance();
[email protected]fb4cc8e2013-12-17 17:56:21364 // Permit reloading guests without further checks.
[email protected]fe294ce2014-05-30 05:55:01365 bool is_isolated_guest = site_instance && site_instance->HasProcess() &&
366 site_instance->GetProcess()->IsIsolatedGuest();
367 if (!is_isolated_guest && site_instance &&
[email protected]7e58cb272012-03-30 21:22:30368 site_instance->HasWrongProcessForURL(entry->GetURL())) {
[email protected]bcd904482012-02-01 01:54:22369 // Create a navigation entry that resembles the current one, but do not
[email protected]688aa65c62012-09-28 04:32:22370 // copy page id, site instance, content state, or timestamp.
[email protected]bcd904482012-02-01 01:54:22371 NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry(
372 CreateNavigationEntry(
373 entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(),
374 false, entry->extra_headers(), browser_context_));
[email protected]c3b3d952012-01-31 12:52:26375
[email protected]11535962012-02-09 21:02:10376 // Mark the reload type as NO_RELOAD, so navigation will not be considered
377 // a reload in the renderer.
378 reload_type = NavigationController::NO_RELOAD;
379
[email protected]e2caa032012-11-15 23:29:18380 nav_entry->set_should_replace_entry(true);
[email protected]bcd904482012-02-01 01:54:22381 pending_entry_ = nav_entry;
382 } else {
[email protected]59167c22013-06-03 18:07:32383 pending_entry_ = entry;
[email protected]bcd904482012-02-01 01:54:22384 pending_entry_index_ = current_index;
385
386 // The title of the page being reloaded might have been removed in the
387 // meanwhile, so we need to revert to the default title upon reload and
388 // invalidate the previously cached title (SetTitle will do both).
389 // See Chromium issue 96041.
[email protected]fcf75d42013-12-03 20:11:26390 pending_entry_->SetTitle(base::string16());
[email protected]bcd904482012-02-01 01:54:22391
Sylvain Defresnec6ccc77d2014-09-19 10:19:35392 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22393 }
394
[email protected]1ccb3568d2010-02-19 10:51:16395 NavigateToPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29396 }
397}
398
[email protected]d202a7c2012-01-04 07:53:47399void NavigationControllerImpl::CancelPendingReload() {
[email protected]106a0812010-03-18 00:15:12400 DCHECK(pending_reload_ != NO_RELOAD);
401 pending_reload_ = NO_RELOAD;
402}
403
[email protected]d202a7c2012-01-04 07:53:47404void NavigationControllerImpl::ContinuePendingReload() {
[email protected]106a0812010-03-18 00:15:12405 if (pending_reload_ == NO_RELOAD) {
406 NOTREACHED();
407 } else {
408 ReloadInternal(false, pending_reload_);
[email protected]965bb092010-04-09 11:59:02409 pending_reload_ = NO_RELOAD;
[email protected]106a0812010-03-18 00:15:12410 }
411}
412
[email protected]cd2e15742013-03-08 04:08:31413bool NavigationControllerImpl::IsInitialNavigation() const {
[email protected]27ba81c2012-08-21 17:04:09414 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11415}
416
[email protected]d202a7c2012-01-04 07:53:47417NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID(
[email protected]b6583592012-01-25 19:52:33418 SiteInstance* instance, int32 page_id) const {
[email protected]7f0005a2009-04-15 03:25:11419 int index = GetEntryIndexWithPageID(instance, page_id);
[email protected]765b35502008-08-21 00:51:20420 return (index != -1) ? entries_[index].get() : NULL;
421}
422
[email protected]d202a7c2012-01-04 07:53:47423void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) {
[email protected]765b35502008-08-21 00:51:20424 // When navigating to a new page, we don't know for sure if we will actually
425 // end up leaving the current page. The new page load could for example
426 // result in a download or a 'no content' response (e.g., a mailto: URL).
[email protected]59167c22013-06-03 18:07:32427 SetPendingEntry(entry);
428 NavigateToPendingEntry(NO_RELOAD);
429}
430
431void NavigationControllerImpl::SetPendingEntry(NavigationEntryImpl* entry) {
[email protected]cbab76d2008-10-13 22:42:47432 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:20433 pending_entry_ = entry;
[email protected]8ff00d72012-10-23 19:12:21434 NotificationService::current()->Notify(
435 NOTIFICATION_NAV_ENTRY_PENDING,
436 Source<NavigationController>(this),
437 Details<NavigationEntry>(entry));
[email protected]765b35502008-08-21 00:51:20438}
439
creis3da03872015-02-20 21:12:32440NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() const {
[email protected]cbab76d2008-10-13 22:42:47441 if (transient_entry_index_ != -1)
442 return entries_[transient_entry_index_].get();
443 if (pending_entry_)
444 return pending_entry_;
445 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20446}
447
creis3da03872015-02-20 21:12:32448NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() const {
[email protected]867e1f92011-08-30 19:01:19449 if (transient_entry_index_ != -1)
450 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32451 // The pending entry is safe to return for new (non-history), browser-
452 // initiated navigations. Most renderer-initiated navigations should not
453 // show the pending entry, to prevent URL spoof attacks.
454 //
455 // We make an exception for renderer-initiated navigations in new tabs, as
456 // long as no other page has tried to access the initial empty document in
457 // the new tab. If another page modifies this blank page, a URL spoof is
458 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32459 bool safe_to_show_pending =
460 pending_entry_ &&
461 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09462 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32463 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46464 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32465
466 // Also allow showing the pending entry for history navigations in a new tab,
467 // such as Ctrl+Back. In this case, no existing page is visible and no one
468 // can script the new tab before it commits.
469 if (!safe_to_show_pending &&
470 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09471 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32472 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34473 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32474 safe_to_show_pending = true;
475
476 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19477 return pending_entry_;
478 return GetLastCommittedEntry();
479}
480
[email protected]d202a7c2012-01-04 07:53:47481int NavigationControllerImpl::GetCurrentEntryIndex() const {
[email protected]cbab76d2008-10-13 22:42:47482 if (transient_entry_index_ != -1)
483 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20484 if (pending_entry_index_ != -1)
485 return pending_entry_index_;
486 return last_committed_entry_index_;
487}
488
creis3da03872015-02-20 21:12:32489NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() const {
[email protected]765b35502008-08-21 00:51:20490 if (last_committed_entry_index_ == -1)
491 return NULL;
492 return entries_[last_committed_entry_index_].get();
493}
494
[email protected]d202a7c2012-01-04 07:53:47495bool NavigationControllerImpl::CanViewSource() const {
[email protected]ec6c05f2013-10-23 18:41:57496 const std::string& mime_type = delegate_->GetContentsMimeType();
rsleevic327b48f82015-04-30 02:03:25497 bool is_viewable_mime_type =
498 mime_util::IsSupportedNonImageMimeType(mime_type) &&
[email protected]9d86c4982013-01-09 00:38:34499 !net::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27500 NavigationEntry* visible_entry = GetVisibleEntry();
501 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57502 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16503}
504
[email protected]d202a7c2012-01-04 07:53:47505int NavigationControllerImpl::GetLastCommittedEntryIndex() const {
[email protected]a26023822011-12-29 00:23:55506 return last_committed_entry_index_;
507}
508
[email protected]d202a7c2012-01-04 07:53:47509int NavigationControllerImpl::GetEntryCount() const {
[email protected]944822b2012-03-02 20:57:25510 DCHECK(entries_.size() <= max_entry_count());
[email protected]a26023822011-12-29 00:23:55511 return static_cast<int>(entries_.size());
512}
513
creis3da03872015-02-20 21:12:32514NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(
[email protected]022af742011-12-28 18:37:25515 int index) const {
516 return entries_.at(index).get();
517}
518
creis3da03872015-02-20 21:12:32519NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(
[email protected]022af742011-12-28 18:37:25520 int offset) const {
[email protected]9ba14052012-06-22 23:50:03521 int index = GetIndexForOffset(offset);
[email protected]a26023822011-12-29 00:23:55522 if (index < 0 || index >= GetEntryCount())
[email protected]765b35502008-08-21 00:51:20523 return NULL;
524
525 return entries_[index].get();
526}
527
[email protected]9ba14052012-06-22 23:50:03528int NavigationControllerImpl::GetIndexForOffset(int offset) const {
[email protected]7bc2b032012-12-19 22:45:46529 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03530}
531
[email protected]9677a3c2012-12-22 04:18:58532void NavigationControllerImpl::TakeScreenshot() {
[email protected]1a3f5312013-04-26 21:00:10533 screenshot_manager_->TakeScreenshot();
[email protected]9677a3c2012-12-22 04:18:58534}
535
[email protected]1a3f5312013-04-26 21:00:10536void NavigationControllerImpl::SetScreenshotManager(
[email protected]d1581d72013-11-05 19:11:26537 NavigationEntryScreenshotManager* manager) {
[email protected]1a3f5312013-04-26 21:00:10538 screenshot_manager_.reset(manager ? manager :
[email protected]d1581d72013-11-05 19:11:26539 new NavigationEntryScreenshotManager(this));
[email protected]9677a3c2012-12-22 04:18:58540}
541
[email protected]d202a7c2012-01-04 07:53:47542bool NavigationControllerImpl::CanGoBack() const {
[email protected]765b35502008-08-21 00:51:20543 return entries_.size() > 1 && GetCurrentEntryIndex() > 0;
544}
545
[email protected]d202a7c2012-01-04 07:53:47546bool NavigationControllerImpl::CanGoForward() const {
[email protected]765b35502008-08-21 00:51:20547 int index = GetCurrentEntryIndex();
548 return index >= 0 && index < (static_cast<int>(entries_.size()) - 1);
549}
550
[email protected]9ba14052012-06-22 23:50:03551bool NavigationControllerImpl::CanGoToOffset(int offset) const {
552 int index = GetIndexForOffset(offset);
553 return index >= 0 && index < GetEntryCount();
554}
555
[email protected]d202a7c2012-01-04 07:53:47556void NavigationControllerImpl::GoBack() {
[email protected]765b35502008-08-21 00:51:20557 if (!CanGoBack()) {
558 NOTREACHED();
559 return;
560 }
561
562 // Base the navigation on where we are now...
563 int current_index = GetCurrentEntryIndex();
564
[email protected]cbab76d2008-10-13 22:42:47565 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20566
567 pending_entry_index_ = current_index - 1;
[email protected]022af742011-12-28 18:37:25568 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35569 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51570 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35571 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16572 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20573}
574
[email protected]d202a7c2012-01-04 07:53:47575void NavigationControllerImpl::GoForward() {
[email protected]765b35502008-08-21 00:51:20576 if (!CanGoForward()) {
577 NOTREACHED();
578 return;
579 }
580
[email protected]cbab76d2008-10-13 22:42:47581 bool transient = (transient_entry_index_ != -1);
582
[email protected]765b35502008-08-21 00:51:20583 // Base the navigation on where we are now...
584 int current_index = GetCurrentEntryIndex();
585
[email protected]cbab76d2008-10-13 22:42:47586 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20587
[email protected]cbab76d2008-10-13 22:42:47588 pending_entry_index_ = current_index;
589 // If there was a transient entry, we removed it making the current index
590 // the next page.
591 if (!transient)
592 pending_entry_index_++;
593
[email protected]022af742011-12-28 18:37:25594 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35595 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51596 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35597 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16598 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20599}
600
[email protected]d202a7c2012-01-04 07:53:47601void NavigationControllerImpl::GoToIndex(int index) {
[email protected]765b35502008-08-21 00:51:20602 if (index < 0 || index >= static_cast<int>(entries_.size())) {
603 NOTREACHED();
604 return;
605 }
606
[email protected]cbab76d2008-10-13 22:42:47607 if (transient_entry_index_ != -1) {
608 if (index == transient_entry_index_) {
609 // Nothing to do when navigating to the transient.
610 return;
611 }
612 if (index > transient_entry_index_) {
613 // Removing the transient is goint to shift all entries by 1.
614 index--;
615 }
616 }
617
618 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20619
620 pending_entry_index_ = index;
[email protected]022af742011-12-28 18:37:25621 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35622 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51623 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35624 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16625 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20626}
627
[email protected]d202a7c2012-01-04 07:53:47628void NavigationControllerImpl::GoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03629 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20630 return;
631
[email protected]9ba14052012-06-22 23:50:03632 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20633}
634
[email protected]41374f12013-07-24 02:49:28635bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
636 if (index == last_committed_entry_index_ ||
637 index == pending_entry_index_)
638 return false;
[email protected]6a13a6c2011-12-20 21:47:12639
[email protected]43032342011-03-21 14:10:31640 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28641 return true;
[email protected]cbab76d2008-10-13 22:42:47642}
643
[email protected]d202a7c2012-01-04 07:53:47644void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23645 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32646 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31647 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51648 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
649 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32650 }
651}
652
[email protected]d202a7c2012-01-04 07:53:47653void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47654 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21655 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35656 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47657 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47658 LoadURLParams params(url);
659 params.referrer = referrer;
660 params.transition_type = transition;
661 params.extra_headers = extra_headers;
662 LoadURLWithParams(params);
663}
664
665void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43666 TRACE_EVENT1("browser,navigation",
667 "NavigationControllerImpl::LoadURLWithParams",
668 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43669 if (HandleDebugURL(params.url, params.transition_type)) {
670 // If Telemetry is running, allow the URL load to proceed as if it's
671 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49672 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43673 cc::switches::kEnableGpuBenchmarking))
674 return;
675 }
[email protected]8bf1048012012-02-08 01:22:18676
[email protected]c02f1ba2014-02-03 06:53:53677 // Any renderer-side debug URLs or javascript: URLs should be ignored if the
[email protected]c21e5c22014-02-05 23:56:41678 // renderer process is not live, unless it is the initial navigation of the
679 // tab.
[email protected]c02f1ba2014-02-03 06:53:53680 if (IsRendererDebugURL(params.url)) {
681 // TODO(creis): Find the RVH for the correct frame.
[email protected]c21e5c22014-02-05 23:56:41682 if (!delegate_->GetRenderViewHost()->IsRenderViewLive() &&
683 !IsInitialNavigation())
[email protected]c02f1ba2014-02-03 06:53:53684 return;
685 }
686
[email protected]cf002332012-08-14 19:17:47687 // Checks based on params.load_type.
688 switch (params.load_type) {
689 case LOAD_TYPE_DEFAULT:
690 break;
691 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
[email protected]e8ca69c2014-05-07 15:31:19692 if (!params.url.SchemeIs(url::kHttpScheme) &&
693 !params.url.SchemeIs(url::kHttpsScheme)) {
[email protected]cf002332012-08-14 19:17:47694 NOTREACHED() << "Http post load must use http(s) scheme.";
695 return;
696 }
697 break;
698 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26699 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47700 NOTREACHED() << "Data load must use data scheme.";
701 return;
702 }
703 break;
704 default:
705 NOTREACHED();
706 break;
707 };
[email protected]e47ae9472011-10-13 19:48:34708
[email protected]e47ae9472011-10-13 19:48:34709 // The user initiated a load, we don't need to reload anymore.
710 needs_reload_ = false;
711
[email protected]cf002332012-08-14 19:17:47712 bool override = false;
713 switch (params.override_user_agent) {
714 case UA_OVERRIDE_INHERIT:
715 override = ShouldKeepOverride(GetLastCommittedEntry());
716 break;
717 case UA_OVERRIDE_TRUE:
718 override = true;
719 break;
720 case UA_OVERRIDE_FALSE:
721 override = false;
722 break;
723 default:
724 NOTREACHED();
725 break;
[email protected]d1ef81d2012-07-24 11:39:36726 }
727
[email protected]d1ef81d2012-07-24 11:39:36728 NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
729 CreateNavigationEntry(
[email protected]cf002332012-08-14 19:17:47730 params.url,
731 params.referrer,
732 params.transition_type,
733 params.is_renderer_initiated,
734 params.extra_headers,
[email protected]d1ef81d2012-07-24 11:39:36735 browser_context_));
creis6a93a812015-04-24 23:13:17736 if (!params.frame_name.empty()) {
737 // This is only used for navigating subframes in tests.
738 FrameTreeNode* named_frame =
739 delegate_->GetFrameTree()->FindByName(params.frame_name);
740 if (named_frame)
741 entry->set_frame_tree_node_id(named_frame->frame_tree_node_id());
742 }
[email protected]c80297782013-11-21 07:10:16743 if (params.frame_tree_node_id != -1)
744 entry->set_frame_tree_node_id(params.frame_tree_node_id);
lfg9ef7d2d2014-12-15 22:32:30745 entry->set_source_site_instance(
746 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
[email protected]f8872902013-10-30 03:18:57747 if (params.redirect_chain.size() > 0)
[email protected]c1982ff2014-04-23 03:37:21748 entry->SetRedirectChain(params.redirect_chain);
avib6cc1562015-02-12 19:56:39749 // Don't allow an entry replacement if there is no entry to replace.
750 // http://crbug.com/457149
751 if (params.should_replace_current_entry && entries_.size() > 0)
[email protected]e2caa032012-11-15 23:29:18752 entry->set_should_replace_entry(true);
[email protected]60d6cca2013-04-30 08:47:13753 entry->set_should_clear_history_list(params.should_clear_history_list);
[email protected]cf002332012-08-14 19:17:47754 entry->SetIsOverridingUserAgent(override);
755 entry->set_transferred_global_request_id(
756 params.transferred_global_request_id);
[email protected]d1ef81d2012-07-24 11:39:36757
clamy8451aa62015-01-23 16:56:08758#if defined(OS_ANDROID)
759 if (params.intent_received_timestamp > 0) {
760 entry->set_intent_received_timestamp(
761 base::TimeTicks() +
762 base::TimeDelta::FromMilliseconds(params.intent_received_timestamp));
763 }
764#endif
765
[email protected]cf002332012-08-14 19:17:47766 switch (params.load_type) {
767 case LOAD_TYPE_DEFAULT:
768 break;
769 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
770 entry->SetHasPostData(true);
771 entry->SetBrowserInitiatedPostData(
[email protected]fc72bb12013-06-02 21:13:46772 params.browser_initiated_post_data.get());
[email protected]cf002332012-08-14 19:17:47773 break;
774 case LOAD_TYPE_DATA:
775 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
776 entry->SetVirtualURL(params.virtual_url_for_data_url);
[email protected]951a64832012-10-11 16:26:37777 entry->SetCanLoadLocalResources(params.can_load_local_resources);
[email protected]cf002332012-08-14 19:17:47778 break;
779 default:
780 NOTREACHED();
781 break;
782 };
[email protected]132e281a2012-07-31 18:32:44783
784 LoadEntry(entry);
785}
786
[email protected]d202a7c2012-01-04 07:53:47787bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32788 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22789 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]8ff00d72012-10-23 19:12:21790 LoadCommittedDetails* details) {
[email protected]cd2e15742013-03-08 04:08:31791 is_initial_navigation_ = false;
792
[email protected]0e8db942008-09-24 21:21:48793 // Save the previous state before we clobber it.
794 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51795 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55796 details->previous_entry_index = GetLastCommittedEntryIndex();
[email protected]0e8db942008-09-24 21:21:48797 } else {
798 details->previous_url = GURL();
799 details->previous_entry_index = -1;
800 }
[email protected]ecd9d8702008-08-28 22:10:17801
[email protected]77362eb2011-08-01 17:18:38802 // If we have a pending entry at this point, it should have a SiteInstance.
803 // Restored entries start out with a null SiteInstance, but we should have
804 // assigned one in NavigateToPendingEntry.
805 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance());
[email protected]e9ba4472008-09-14 15:42:43806
[email protected]bcd904482012-02-01 01:54:22807 // If we are doing a cross-site reload, we need to replace the existing
808 // navigation entry, not add another entry to the history. This has the side
avi45a72532015-04-07 21:01:45809 // effect of removing forward browsing history, if such existed. Or if we are
810 // doing a cross-site redirect navigation, we will do a similar thing.
811 //
812 // If this is an error load, we may have already removed the pending entry
813 // when we got the notice of the load failure. If so, look at the copy of the
814 // pending parameters that were saved.
815 if (params.url_is_unreachable && failed_pending_entry_id_ != 0) {
816 details->did_replace_entry = failed_pending_entry_should_replace_;
817 } else {
818 details->did_replace_entry = pending_entry_ &&
819 pending_entry_->should_replace_entry();
820 }
[email protected]bcd904482012-02-01 01:54:22821
[email protected]e9ba4472008-09-14 15:42:43822 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:43823 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:20824
[email protected]b9d4dfdc2013-08-08 00:25:12825 // is_in_page must be computed before the entry gets committed.
[email protected]5cfbddc2014-06-23 23:52:23826 details->is_in_page = AreURLsInPageNavigation(rfh->GetLastCommittedURL(),
827 params.url, params.was_within_same_page, rfh);
[email protected]b9d4dfdc2013-08-08 00:25:12828
[email protected]0e8db942008-09-24 21:21:48829 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:21830 case NAVIGATION_TYPE_NEW_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43831 RendererDidNavigateToNewPage(rfh, params, details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43832 break;
[email protected]8ff00d72012-10-23 19:12:21833 case NAVIGATION_TYPE_EXISTING_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43834 RendererDidNavigateToExistingPage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43835 break;
[email protected]8ff00d72012-10-23 19:12:21836 case NAVIGATION_TYPE_SAME_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43837 RendererDidNavigateToSamePage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43838 break;
[email protected]8ff00d72012-10-23 19:12:21839 case NAVIGATION_TYPE_IN_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43840 RendererDidNavigateInPage(rfh, params, &details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43841 break;
[email protected]8ff00d72012-10-23 19:12:21842 case NAVIGATION_TYPE_NEW_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43843 RendererDidNavigateNewSubframe(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43844 break;
[email protected]8ff00d72012-10-23 19:12:21845 case NAVIGATION_TYPE_AUTO_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43846 if (!RendererDidNavigateAutoSubframe(rfh, params))
[email protected]e9ba4472008-09-14 15:42:43847 return false;
848 break;
[email protected]8ff00d72012-10-23 19:12:21849 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:49850 // If a pending navigation was in progress, this canceled it. We should
851 // discard it and make sure it is removed from the URL bar. After that,
852 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:43853 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:49854 if (pending_entry_) {
855 DiscardNonCommittedEntries();
[email protected]ec6c05f2013-10-23 18:41:57856 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:49857 }
[email protected]e9ba4472008-09-14 15:42:43858 return false;
859 default:
860 NOTREACHED();
[email protected]765b35502008-08-21 00:51:20861 }
862
[email protected]688aa65c62012-09-28 04:32:22863 // At this point, we know that the navigation has just completed, so
864 // record the time.
865 //
866 // TODO(akalin): Use "sane time" as described in
867 // http://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:33868 base::Time timestamp =
869 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
870 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:22871 << timestamp.ToInternalValue();
872
[email protected]f233e4232013-02-23 00:55:14873 // We should not have a pending entry anymore. Clear it again in case any
874 // error cases above forgot to do so.
875 DiscardNonCommittedEntriesInternal();
876
[email protected]e9ba4472008-09-14 15:42:43877 // All committed entries should have nonempty content state so WebKit doesn't
878 // get confused when we go back to them (see the function for details).
[email protected]691aa2f2013-05-28 22:52:04879 DCHECK(params.page_state.IsValid());
creis3da03872015-02-20 21:12:32880 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:22881 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:44882 active_entry->SetHttpStatusCode(params.http_status_code);
[email protected]691aa2f2013-05-28 22:52:04883 active_entry->SetPageState(params.page_state);
[email protected]c1982ff2014-04-23 03:37:21884 active_entry->SetRedirectChain(params.redirects);
[email protected]132e281a2012-07-31 18:32:44885
[email protected]d6def3d2014-05-19 18:55:32886 // Use histogram to track memory impact of redirect chain because it's now
887 // not cleared for committed entries.
888 size_t redirect_chain_size = 0;
889 for (size_t i = 0; i < params.redirects.size(); ++i) {
890 redirect_chain_size += params.redirects[i].spec().length();
891 }
892 UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size);
893
[email protected]97d8f0d2013-10-29 16:49:21894 // Once it is committed, we no longer need to track several pieces of state on
895 // the entry.
896 active_entry->ResetForCommit();
[email protected]60d6cca2013-04-30 08:47:13897
[email protected]49bd30e62011-03-22 20:12:59898 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:22899 // TODO(creis): This check won't pass for subframes until we create entries
900 // for subframe navigations.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35901 if (ui::PageTransitionIsMainFrame(params.transition))
[email protected]27dd82fd2014-03-03 22:11:43902 CHECK(active_entry->site_instance() == rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:59903
[email protected]b26de072013-02-23 02:33:44904 // Remember the bindings the renderer process has at this point, so that
905 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:32906 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:44907
[email protected]e9ba4472008-09-14 15:42:43908 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:00909 details->entry = active_entry;
[email protected]2905f742011-10-13 03:51:58910 details->is_main_frame =
Sylvain Defresnec6ccc77d2014-09-19 10:19:35911 ui::PageTransitionIsMainFrame(params.transition);
[email protected]f072d2ce2008-09-17 17:16:24912 details->serialized_security_info = params.security_info;
[email protected]2e39d2e2009-02-19 18:41:31913 details->http_status_code = params.http_status_code;
[email protected]93f230e02011-06-01 14:40:00914 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:29915
[email protected]e9ba4472008-09-14 15:42:43916 return true;
initial.commit09911bf2008-07-26 23:55:29917}
918
[email protected]8ff00d72012-10-23 19:12:21919NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:32920 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22921 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const {
[email protected]e9ba4472008-09-14 15:42:43922 if (params.page_id == -1) {
avif9c055732015-04-15 22:05:55923 // TODO(nasko, creis): An out-of-process child frame has no way of knowing
924 // the page_id of its parent, so it is passing back -1. The semantics here
925 // should be re-evaluated during session history refactor (see
926 // http://crbug.com/236848 and in particular http://crbug.com/464014). For
927 // now, we assume this means the child frame loaded and proceed. Note that
928 // this may do the wrong thing for cross-process AUTO_SUBFRAME navigations.
[email protected]82307f6b2014-08-07 03:30:12929 if (rfh->IsCrossProcessSubframe())
930 return NAVIGATION_TYPE_NEW_SUBFRAME;
931
[email protected]eef9de32009-09-23 17:19:46932 // The renderer generates the page IDs, and so if it gives us the invalid
933 // page ID (-1) we know it didn't actually navigate. This happens in a few
934 // cases:
935 //
936 // - If a page makes a popup navigated to about blank, and then writes
937 // stuff like a subframe navigated to a real page. We'll get the commit
938 // for the subframe, but there won't be any commit for the outer page.
939 //
940 // - We were also getting these for failed loads (for example, bug 21849).
941 // The guess is that we get a "load commit" for the alternate error page,
942 // but that doesn't affect the page ID, so we get the "old" one, which
943 // could be invalid. This can also happen for a cross-site transition
944 // that causes us to swap processes. Then the error page load will be in
945 // a new process with no page IDs ever assigned (and hence a -1 value),
946 // yet the navigation controller still might have previous pages in its
947 // list.
948 //
949 // In these cases, there's nothing we can do with them, so ignore.
[email protected]8ff00d72012-10-23 19:12:21950 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:43951 }
952
[email protected]a1b99262013-12-27 21:56:22953 if (params.page_id > delegate_->GetMaxPageIDForSiteInstance(
[email protected]27dd82fd2014-03-03 22:11:43954 rfh->GetSiteInstance())) {
[email protected]e9ba4472008-09-14 15:42:43955 // Greater page IDs than we've ever seen before are new pages. We may or may
956 // not have a pending entry for the page, and this may or may not be the
957 // main frame.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35958 if (ui::PageTransitionIsMainFrame(params.transition))
[email protected]8ff00d72012-10-23 19:12:21959 return NAVIGATION_TYPE_NEW_PAGE;
[email protected]4c27ba82008-09-24 16:49:09960
961 // When this is a new subframe navigation, we should have a committed page
962 // for which it's a suframe in. This may not be the case when an iframe is
963 // navigated on a popup navigated to about:blank (the iframe would be
964 // written into the popup by script on the main page). For these cases,
965 // there isn't any navigation stuff we can do, so just ignore it.
966 if (!GetLastCommittedEntry())
[email protected]8ff00d72012-10-23 19:12:21967 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]4c27ba82008-09-24 16:49:09968
969 // Valid subframe navigation.
[email protected]8ff00d72012-10-23 19:12:21970 return NAVIGATION_TYPE_NEW_SUBFRAME;
[email protected]e9ba4472008-09-14 15:42:43971 }
972
[email protected]60d6cca2013-04-30 08:47:13973 // We only clear the session history when navigating to a new page.
974 DCHECK(!params.history_list_was_cleared);
975
[email protected]e9ba4472008-09-14 15:42:43976 // Now we know that the notification is for an existing page. Find that entry.
977 int existing_entry_index = GetEntryIndexWithPageID(
[email protected]27dd82fd2014-03-03 22:11:43978 rfh->GetSiteInstance(),
[email protected]e9ba4472008-09-14 15:42:43979 params.page_id);
980 if (existing_entry_index == -1) {
981 // The page was not found. It could have been pruned because of the limit on
982 // back/forward entries (not likely since we'll usually tell it to navigate
983 // to such entries). It could also mean that the renderer is smoking crack.
984 NOTREACHED();
[email protected]485e8232011-07-24 18:03:46985
986 // Because the unknown entry has committed, we risk showing the wrong URL in
987 // release builds. Instead, we'll kill the renderer process to be safe.
988 LOG(ERROR) << "terminating renderer for bad navigation: " << params.url;
[email protected]e6e30ac2014-01-13 21:24:39989 RecordAction(base::UserMetricsAction("BadMessageTerminate_NC"));
[email protected]b69934e2011-10-29 02:51:52990
[email protected]7ec6f382011-11-11 01:28:17991 // Temporary code so we can get more information. Format:
[email protected]8c380582011-12-02 03:16:10992 // http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2
993 std::string temp = params.url.spec();
[email protected]7ec6f382011-11-11 01:28:17994 temp.append("#page");
[email protected]b69934e2011-10-29 02:51:52995 temp.append(base::IntToString(params.page_id));
[email protected]7ec6f382011-11-11 01:28:17996 temp.append("#max");
[email protected]ec6c05f2013-10-23 18:41:57997 temp.append(base::IntToString(delegate_->GetMaxPageID()));
[email protected]7ec6f382011-11-11 01:28:17998 temp.append("#frame");
[email protected]27dd82fd2014-03-03 22:11:43999 temp.append(base::IntToString(rfh->GetRoutingID()));
[email protected]7ec6f382011-11-11 01:28:171000 temp.append("#ids");
1001 for (int i = 0; i < static_cast<int>(entries_.size()); ++i) {
[email protected]8c380582011-12-02 03:16:101002 // Append entry metadata (e.g., 3_7x):
1003 // 3: page_id
1004 // 7: SiteInstance ID, or N for null
1005 // x: appended if not from the current SiteInstance
[email protected]36fc0392011-12-25 03:59:511006 temp.append(base::IntToString(entries_[i]->GetPageID()));
[email protected]8c380582011-12-02 03:16:101007 temp.append("_");
1008 if (entries_[i]->site_instance())
[email protected]b6583592012-01-25 19:52:331009 temp.append(base::IntToString(entries_[i]->site_instance()->GetId()));
[email protected]7ec6f382011-11-11 01:28:171010 else
[email protected]8c380582011-12-02 03:16:101011 temp.append("N");
[email protected]27dd82fd2014-03-03 22:11:431012 if (entries_[i]->site_instance() != rfh->GetSiteInstance())
[email protected]7ec6f382011-11-11 01:28:171013 temp.append("x");
1014 temp.append(",");
[email protected]b69934e2011-10-29 02:51:521015 }
1016 GURL url(temp);
creis3da03872015-02-20 21:12:321017 rfh->render_view_host()->Send(new ViewMsg_TempCrashWithData(url));
[email protected]8ff00d72012-10-23 19:12:211018 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:431019 }
[email protected]10f417c52011-12-28 21:04:231020 NavigationEntryImpl* existing_entry = entries_[existing_entry_index].get();
[email protected]e9ba4472008-09-14 15:42:431021
Sylvain Defresnec6ccc77d2014-09-19 10:19:351022 if (!ui::PageTransitionIsMainFrame(params.transition)) {
[email protected]e6035c22010-05-25 16:15:521023 // All manual subframes would get new IDs and were handled above, so we
1024 // know this is auto. Since the current page was found in the navigation
1025 // entry list, we're guaranteed to have a last committed entry.
1026 DCHECK(GetLastCommittedEntry());
[email protected]8ff00d72012-10-23 19:12:211027 return NAVIGATION_TYPE_AUTO_SUBFRAME;
[email protected]e6035c22010-05-25 16:15:521028 }
1029
1030 // Anything below here we know is a main frame navigation.
[email protected]e9ba4472008-09-14 15:42:431031 if (pending_entry_ &&
[email protected]59167c22013-06-03 18:07:321032 !pending_entry_->is_renderer_initiated() &&
[email protected]e9ba4472008-09-14 15:42:431033 existing_entry != pending_entry_ &&
[email protected]36fc0392011-12-25 03:59:511034 pending_entry_->GetPageID() == -1 &&
avida96ccb12015-05-01 22:46:571035 existing_entry == GetLastCommittedEntry() &&
1036 !params.was_within_same_page &&
1037 (params.url == existing_entry->GetURL() ||
1038 (params.redirects.size() &&
1039 params.redirects[0] == existing_entry->GetURL()))) {
1040 // In this case, we have a pending entry for a URL but Blink didn't do a new
1041 // navigation. This happens when you press enter in the URL bar to reload.
1042 // We will create a pending entry, but Blink will convert it to a reload
1043 // since it's the same page and not create a new entry for it (the user
1044 // doesn't want to have a new back/forward entry when they do this). If this
1045 // matches the last committed entry, we want to just ignore the pending
1046 // entry and go back to where we were (the "existing entry").
1047 return NAVIGATION_TYPE_SAME_PAGE;
[email protected]e9ba4472008-09-14 15:42:431048 }
1049
[email protected]fc60f222008-12-18 17:36:541050 // Any toplevel navigations with the same base (minus the reference fragment)
1051 // are in-page navigations. We weeded out subframe navigations above. Most of
1052 // the time this doesn't matter since WebKit doesn't tell us about subframe
1053 // navigations that don't actually navigate, but it can happen when there is
1054 // an encoding override (it always sends a navigation request).
[email protected]4ac5fbe2012-09-01 02:19:591055 if (AreURLsInPageNavigation(existing_entry->GetURL(), params.url,
[email protected]5cfbddc2014-06-23 23:52:231056 params.was_within_same_page, rfh)) {
[email protected]8ff00d72012-10-23 19:12:211057 return NAVIGATION_TYPE_IN_PAGE;
[email protected]4ac5fbe2012-09-01 02:19:591058 }
[email protected]fc60f222008-12-18 17:36:541059
[email protected]e9ba4472008-09-14 15:42:431060 // Since we weeded out "new" navigations above, we know this is an existing
[email protected]4c27ba82008-09-24 16:49:091061 // (back/forward) navigation.
[email protected]8ff00d72012-10-23 19:12:211062 return NAVIGATION_TYPE_EXISTING_PAGE;
[email protected]e9ba4472008-09-14 15:42:431063}
1064
[email protected]d202a7c2012-01-04 07:53:471065void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321066 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221067 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221068 bool replace_entry) {
[email protected]10f417c52011-12-28 21:04:231069 NavigationEntryImpl* new_entry;
[email protected]f1eb87a2011-05-06 17:49:411070 bool update_virtual_url;
[email protected]6dd86ab2013-02-27 00:30:341071 // Only make a copy of the pending entry if it is appropriate for the new page
1072 // that was just loaded. We verify this at a coarse grain by checking that
1073 // the SiteInstance hasn't been assigned to something else.
1074 if (pending_entry_ &&
1075 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431076 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351077 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431078
[email protected]f1eb87a2011-05-06 17:49:411079 update_virtual_url = new_entry->update_virtual_url_with_url();
[email protected]e9ba4472008-09-14 15:42:431080 } else {
[email protected]10f417c52011-12-28 21:04:231081 new_entry = new NavigationEntryImpl;
[email protected]f8f93eb2012-09-25 03:06:241082
1083 // Find out whether the new entry needs to update its virtual URL on URL
1084 // change and set up the entry accordingly. This is needed to correctly
1085 // update the virtual URL when replaceState is called after a pushState.
1086 GURL url = params.url;
1087 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431088 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1089 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241090 new_entry->set_update_virtual_url_with_url(needs_update);
1091
[email protected]f1eb87a2011-05-06 17:49:411092 // When navigating to a new page, give the browser URL handler a chance to
1093 // update the virtual URL based on the new URL. For example, this is needed
1094 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1095 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241096 update_virtual_url = needs_update;
[email protected]e9ba4472008-09-14 15:42:431097 }
1098
wjmaclean7431bb22015-02-19 14:53:431099 // Don't use the page type from the pending entry. Some interstitial page
1100 // may have set the type to interstitial. Once we commit, however, the page
1101 // type must always be normal or error.
1102 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1103 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041104 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411105 if (update_virtual_url)
[email protected]38178a42009-12-17 18:58:321106 UpdateVirtualURLToURL(new_entry, params.url);
[email protected]022af742011-12-28 18:37:251107 new_entry->SetReferrer(params.referrer);
[email protected]36fc0392011-12-25 03:59:511108 new_entry->SetPageID(params.page_id);
[email protected]022af742011-12-28 18:37:251109 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331110 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431111 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]36fc0392011-12-25 03:59:511112 new_entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051113 new_entry->SetPostID(params.post_id);
[email protected]7c16976c2012-08-04 02:38:231114 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221115 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431116
[email protected]ff64b3e2014-05-31 04:07:331117 // history.pushState() is classified as a navigation to a new page, but
1118 // sets was_within_same_page to true. In this case, we already have the
[email protected]3a868f212014-08-09 10:41:191119 // title and favicon available, so set them immediately.
1120 if (params.was_within_same_page && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331121 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191122 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1123 }
[email protected]ff64b3e2014-05-31 04:07:331124
[email protected]60d6cca2013-04-30 08:47:131125 DCHECK(!params.history_list_was_cleared || !replace_entry);
1126 // The browser requested to clear the session history when it initiated the
1127 // navigation. Now we know that the renderer has updated its state accordingly
1128 // and it is safe to also clear the browser side history.
1129 if (params.history_list_was_cleared) {
1130 DiscardNonCommittedEntriesInternal();
1131 entries_.clear();
1132 last_committed_entry_index_ = -1;
1133 }
1134
[email protected]4ac5fbe2012-09-01 02:19:591135 InsertOrReplaceEntry(new_entry, replace_entry);
[email protected]e9ba4472008-09-14 15:42:431136}
1137
[email protected]d202a7c2012-01-04 07:53:471138void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321139 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221140 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431141 // We should only get here for main frame navigations.
Sylvain Defresnec6ccc77d2014-09-19 10:19:351142 DCHECK(ui::PageTransitionIsMainFrame(params.transition));
[email protected]e9ba4472008-09-14 15:42:431143
1144 // This is a back/forward navigation. The existing page for the ID is
[email protected]4c27ba82008-09-24 16:49:091145 // guaranteed to exist by ClassifyNavigation, and we just need to update it
1146 // with new information from the renderer.
[email protected]27dd82fd2014-03-03 22:11:431147 int entry_index = GetEntryIndexWithPageID(rfh->GetSiteInstance(),
[email protected]7f0005a2009-04-15 03:25:111148 params.page_id);
[email protected]e9ba4472008-09-14 15:42:431149 DCHECK(entry_index >= 0 &&
1150 entry_index < static_cast<int>(entries_.size()));
[email protected]10f417c52011-12-28 21:04:231151 NavigationEntryImpl* entry = entries_[entry_index].get();
[email protected]e9ba4472008-09-14 15:42:431152
[email protected]5ccd4dc2012-10-24 02:28:141153 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431154 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1155 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041156 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201157 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321158 if (entry->update_virtual_url_with_url())
1159 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141160
1161 // The redirected to page should not inherit the favicon from the previous
1162 // page.
Sylvain Defresnec6ccc77d2014-09-19 10:19:351163 if (ui::PageTransitionIsRedirect(params.transition))
[email protected]91a4ff82012-10-29 20:29:481164 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141165
1166 // The site instance will normally be the same except during session restore,
1167 // when no site instance will be assigned.
[email protected]e9ba4472008-09-14 15:42:431168 DCHECK(entry->site_instance() == NULL ||
[email protected]27dd82fd2014-03-03 22:11:431169 entry->site_instance() == rfh->GetSiteInstance());
[email protected]b6583592012-01-25 19:52:331170 entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431171 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]e9ba4472008-09-14 15:42:431172
[email protected]36fc0392011-12-25 03:59:511173 entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051174 entry->SetPostID(params.post_id);
[email protected]d5a49e52010-01-08 03:01:411175
[email protected]e9ba4472008-09-14 15:42:431176 // The entry we found in the list might be pending if the user hit
1177 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591178 // list, we can just discard the pending pointer). We should also discard the
1179 // pending entry if it corresponds to a different navigation, since that one
1180 // is now likely canceled. If it is not canceled, we will treat it as a new
1181 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431182 //
1183 // Note that we need to use the "internal" version since we don't want to
1184 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491185 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391186
[email protected]80858db52009-10-15 00:35:181187 // If a transient entry was removed, the indices might have changed, so we
1188 // have to query the entry index again.
1189 last_committed_entry_index_ =
[email protected]27dd82fd2014-03-03 22:11:431190 GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431191}
1192
[email protected]d202a7c2012-01-04 07:53:471193void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321194 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221195 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431196 // This mode implies we have a pending entry that's the same as an existing
[email protected]4c27ba82008-09-24 16:49:091197 // entry for this page ID. This entry is guaranteed to exist by
1198 // ClassifyNavigation. All we need to do is update the existing entry.
[email protected]10f417c52011-12-28 21:04:231199 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431200 rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431201
1202 // We assign the entry's unique ID to be that of the new one. Since this is
1203 // always the result of a user action, we want to dismiss infobars, etc. like
1204 // a regular user-initiated navigation.
[email protected]36fc0392011-12-25 03:59:511205 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431206
[email protected]a0e69262009-06-03 19:08:481207 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431208 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1209 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321210 if (existing_entry->update_virtual_url_with_url())
1211 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041212 existing_entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201213 existing_entry->SetReferrer(params.referrer);
[email protected]a0e69262009-06-03 19:08:481214
[email protected]b77686522013-12-11 20:34:191215 // The page may have been requested with a different HTTP method.
1216 existing_entry->SetHasPostData(params.is_post);
1217 existing_entry->SetPostID(params.post_id);
1218
[email protected]cbab76d2008-10-13 22:42:471219 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431220}
1221
[email protected]d202a7c2012-01-04 07:53:471222void NavigationControllerImpl::RendererDidNavigateInPage(
creis3da03872015-02-20 21:12:321223 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221224 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221225 bool* did_replace_entry) {
Sylvain Defresnec6ccc77d2014-09-19 10:19:351226 DCHECK(ui::PageTransitionIsMainFrame(params.transition)) <<
[email protected]e9ba4472008-09-14 15:42:431227 "WebKit should only tell us about in-page navs for the main frame.";
1228 // We're guaranteed to have an entry for this one.
[email protected]10f417c52011-12-28 21:04:231229 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431230 rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431231
1232 // Reference fragment navigation. We're guaranteed to have the last_committed
1233 // entry and it will be the same page as the new navigation (minus the
[email protected]d466b8a2011-07-15 21:48:031234 // reference fragments, of course). We'll update the URL of the existing
1235 // entry without pruning the forward history.
wjmaclean7431bb22015-02-19 14:53:431236 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1237 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041238 existing_entry->SetURL(params.url);
[email protected]d466b8a2011-07-15 21:48:031239 if (existing_entry->update_virtual_url_with_url())
1240 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ccbe04e2010-03-17 17:58:431241
[email protected]12cef652014-05-31 22:25:151242 existing_entry->SetHasPostData(params.is_post);
1243 existing_entry->SetPostID(params.post_id);
1244
[email protected]ccbe04e2010-03-17 17:58:431245 // This replaces the existing entry since the page ID didn't change.
1246 *did_replace_entry = true;
[email protected]d466b8a2011-07-15 21:48:031247
[email protected]6eebaab2012-11-15 04:39:491248 DiscardNonCommittedEntriesInternal();
[email protected]d466b8a2011-07-15 21:48:031249
1250 // If a transient entry was removed, the indices might have changed, so we
1251 // have to query the entry index again.
1252 last_committed_entry_index_ =
[email protected]27dd82fd2014-03-03 22:11:431253 GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431254}
1255
[email protected]d202a7c2012-01-04 07:53:471256void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321257 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221258 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291259 if (!ui::PageTransitionCoreTypeIs(params.transition,
1260 ui::PAGE_TRANSITION_MANUAL_SUBFRAME)) {
1261 // There was a comment here that said, "This is not user-initiated. Ignore."
1262 // But this makes no sense; non-user-initiated navigations should be
1263 // determined to be of type NAVIGATION_TYPE_AUTO_SUBFRAME and sent to
1264 // RendererDidNavigateAutoSubframe below.
1265 //
1266 // This if clause dates back to https://codereview.chromium.org/115919 and
1267 // the handling of immediate redirects. TODO(avi): Is this still valid? I'm
1268 // pretty sure that's there's nothing left of that code and that we should
1269 // take this out.
1270 //
1271 // Except for cross-process iframes; this doesn't work yet for them.
1272 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
1273 switches::kSitePerProcess)) {
1274 NOTREACHED();
1275 }
1276
[email protected]f233e4232013-02-23 00:55:141277 DiscardNonCommittedEntriesInternal();
[email protected]09b8f82f2009-06-16 20:22:111278 return;
1279 }
[email protected]09b8f82f2009-06-16 20:22:111280
[email protected]e9ba4472008-09-14 15:42:431281 // Manual subframe navigations just get the current entry cloned so the user
1282 // can go back or forward to it. The actual subframe information will be
1283 // stored in the page state for each of those entries. This happens out of
1284 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091285 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1286 << "that a last committed entry exists.";
creisef4a0cb2015-03-12 19:14:351287 NavigationEntryImpl* new_entry = GetLastCommittedEntry()->Clone();
[email protected]36fc0392011-12-25 03:59:511288 new_entry->SetPageID(params.page_id);
[email protected]672eba292009-05-13 13:22:451289 InsertOrReplaceEntry(new_entry, false);
[email protected]e9ba4472008-09-14 15:42:431290}
1291
[email protected]d202a7c2012-01-04 07:53:471292bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321293 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221294 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291295 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1296 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1297
[email protected]e9ba4472008-09-14 15:42:431298 // We're guaranteed to have a previously committed entry, and we now need to
1299 // handle navigation inside of a subframe in it without creating a new entry.
1300 DCHECK(GetLastCommittedEntry());
1301
1302 // Handle the case where we're navigating back/forward to a previous subframe
1303 // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the
1304 // header file. In case "1." this will be a NOP.
1305 int entry_index = GetEntryIndexWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431306 rfh->GetSiteInstance(),
[email protected]e9ba4472008-09-14 15:42:431307 params.page_id);
1308 if (entry_index < 0 ||
1309 entry_index >= static_cast<int>(entries_.size())) {
1310 NOTREACHED();
1311 return false;
1312 }
1313
1314 // Update the current navigation entry in case we're going back/forward.
1315 if (entry_index != last_committed_entry_index_) {
creisda5ec702015-04-30 21:59:561316 // Make sure that a subframe commit isn't changing the main frame URL.
1317 // Otherwise the renderer process may be confused, leading to a URL spoof.
1318 if (GetLastCommittedEntry()->GetURL() !=
1319 GetEntryAtIndex(entry_index)->GetURL()) {
1320 bad_message::ReceivedBadMessage(rfh->GetProcess(),
1321 bad_message::NC_AUTO_SUBFRAME);
1322 }
[email protected]e9ba4472008-09-14 15:42:431323 last_committed_entry_index_ = entry_index;
[email protected]f233e4232013-02-23 00:55:141324 DiscardNonCommittedEntriesInternal();
[email protected]e9ba4472008-09-14 15:42:431325 return true;
1326 }
[email protected]f233e4232013-02-23 00:55:141327
creis625a0c7d2015-03-24 23:17:121328 if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1329 switches::kSitePerProcess)) {
1330 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1331 // it may be a "history auto" case where we update an existing one.
vishal.b782eb5d2015-04-29 12:22:571332 int frame_tree_node_id = rfh->frame_tree_node()->frame_tree_node_id();
creis625a0c7d2015-03-24 23:17:121333 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
1334 last_committed->AddOrUpdateFrameEntry(frame_tree_node_id,
1335 rfh->GetSiteInstance(),
1336 params.url,
1337 params.referrer);
1338 }
1339
[email protected]f233e4232013-02-23 00:55:141340 // We do not need to discard the pending entry in this case, since we will
1341 // not generate commit notifications for this auto-subframe navigation.
[email protected]e9ba4472008-09-14 15:42:431342 return false;
1343}
1344
[email protected]d202a7c2012-01-04 07:53:471345int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231346 const NavigationEntryImpl* entry) const {
[email protected]765b35502008-08-21 00:51:201347 const NavigationEntries::const_iterator i(std::find(
1348 entries_.begin(),
1349 entries_.end(),
1350 entry));
1351 return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin());
1352}
1353
[email protected]ce760d742012-08-30 22:31:101354bool NavigationControllerImpl::IsURLInPageNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121355 const GURL& url,
1356 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:231357 RenderFrameHost* rfh) const {
[email protected]10f417c52011-12-28 21:04:231358 NavigationEntry* last_committed = GetLastCommittedEntry();
[email protected]ce760d742012-08-30 22:31:101359 return last_committed && AreURLsInPageNavigation(
[email protected]5cfbddc2014-06-23 23:52:231360 last_committed->GetURL(), url, renderer_says_in_page, rfh);
[email protected]e9ba4472008-09-14 15:42:431361}
1362
[email protected]d202a7c2012-01-04 07:53:471363void NavigationControllerImpl::CopyStateFrom(
[email protected]c5eed492012-01-04 17:07:501364 const NavigationController& temp) {
[email protected]d202a7c2012-01-04 07:53:471365 const NavigationControllerImpl& source =
1366 static_cast<const NavigationControllerImpl&>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571367 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551368 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571369
[email protected]a26023822011-12-29 00:23:551370 if (source.GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571371 return; // Nothing new to do.
1372
1373 needs_reload_ = true;
[email protected]a26023822011-12-29 00:23:551374 InsertEntriesFrom(source, source.GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571375
[email protected]fdac6ade2013-07-20 01:06:301376 for (SessionStorageNamespaceMap::const_iterator it =
1377 source.session_storage_namespace_map_.begin();
1378 it != source.session_storage_namespace_map_.end();
1379 ++it) {
1380 SessionStorageNamespaceImpl* source_namespace =
1381 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1382 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1383 }
[email protected]4e6419c2010-01-15 04:50:341384
[email protected]2ca1ea662012-10-04 02:26:361385 FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION);
[email protected]91854cd2012-01-10 19:43:571386
1387 // Copy the max page id map from the old tab to the new tab. This ensures
1388 // that new and existing navigations in the tab's current SiteInstances
1389 // are identified properly.
[email protected]ec6c05f2013-10-23 18:41:571390 delegate_->CopyMaxPageIDsFrom(source.delegate()->GetWebContents());
[email protected]ce3fa3c2009-04-20 19:55:571391}
1392
[email protected]d202a7c2012-01-04 07:53:471393void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571394 NavigationController* temp,
1395 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161396 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011397 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161398
[email protected]d202a7c2012-01-04 07:53:471399 NavigationControllerImpl* source =
1400 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251401
avi2b177592014-12-10 02:08:021402 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011403 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251404
[email protected]474f8512013-05-31 22:31:161405 // We now have one entry, possibly with a new pending entry. Ensure that
1406 // adding the entries from source won't put us over the limit.
1407 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571408 if (!replace_entry)
1409 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251410
[email protected]47e020a2010-10-15 14:43:371411 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021412 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161413 // since it has not committed in source.
1414 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251415 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551416 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251417 else
1418 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571419
1420 // Ignore the source's current entry if merging with replacement.
1421 // TODO(davidben): This should preserve entries forward of the current
1422 // too. http://crbug.com/317872
1423 if (replace_entry && max_source_index > 0)
1424 max_source_index--;
1425
[email protected]47e020a2010-10-15 14:43:371426 InsertEntriesFrom(*source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251427
1428 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551429 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141430
avi2b177592014-12-10 02:08:021431 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1432 GetEntryCount());
[email protected]91854cd2012-01-10 19:43:571433
avi2b177592014-12-10 02:08:021434 // Copy the max page id map from the old tab to the new tab. This ensures that
1435 // new and existing navigations in the tab's current SiteInstances are
1436 // identified properly.
creis3da03872015-02-20 21:12:321437 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
avi2b177592014-12-10 02:08:021438 int32 site_max_page_id =
1439 delegate_->GetMaxPageIDForSiteInstance(last_committed->site_instance());
[email protected]ec6c05f2013-10-23 18:41:571440 delegate_->CopyMaxPageIDsFrom(source->delegate()->GetWebContents());
avi2b177592014-12-10 02:08:021441 delegate_->UpdateMaxPageIDForSiteInstance(last_committed->site_instance(),
1442 site_max_page_id);
[email protected]f69ed362014-04-28 14:01:421443 max_restored_page_id_ = source->max_restored_page_id_;
[email protected]e1cd5452010-08-26 18:03:251444}
1445
[email protected]79368982013-11-13 01:11:011446bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161447 // If there is no last committed entry, we cannot prune. Even if there is a
1448 // pending entry, it may not commit, leaving this WebContents blank, despite
1449 // possibly giving it new entries via CopyStateFromAndPrune.
1450 if (last_committed_entry_index_ == -1)
1451 return false;
[email protected]9350602e2013-02-26 23:27:441452
[email protected]474f8512013-05-31 22:31:161453 // We cannot prune if there is a pending entry at an existing entry index.
1454 // It may not commit, so we have to keep the last committed entry, and thus
1455 // there is no sensible place to keep the pending entry. It is ok to have
1456 // a new pending entry, which can optionally commit as a new navigation.
1457 if (pending_entry_index_ != -1)
1458 return false;
1459
1460 // We should not prune if we are currently showing a transient entry.
1461 if (transient_entry_index_ != -1)
1462 return false;
1463
1464 return true;
1465}
1466
[email protected]79368982013-11-13 01:11:011467void NavigationControllerImpl::PruneAllButLastCommitted() {
1468 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161469
avi2b177592014-12-10 02:08:021470 DCHECK_EQ(0, last_committed_entry_index_);
1471 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441472
avi2b177592014-12-10 02:08:021473 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1474 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441475}
1476
[email protected]79368982013-11-13 01:11:011477void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161478 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011479 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261480
[email protected]474f8512013-05-31 22:31:161481 // Erase all entries but the last committed entry. There may still be a
1482 // new pending entry after this.
1483 entries_.erase(entries_.begin(),
1484 entries_.begin() + last_committed_entry_index_);
1485 entries_.erase(entries_.begin() + 1, entries_.end());
1486 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261487}
1488
[email protected]15f46dc2013-01-24 05:40:241489void NavigationControllerImpl::ClearAllScreenshots() {
[email protected]1a3f5312013-04-26 21:00:101490 screenshot_manager_->ClearAllScreenshots();
[email protected]15f46dc2013-01-24 05:40:241491}
1492
[email protected]d1198fd2012-08-13 22:50:191493void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:301494 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:211495 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:191496 if (!session_storage_namespace)
1497 return;
1498
1499 // We can't overwrite an existing SessionStorage without violating spec.
1500 // Attempts to do so may give a tab access to another tab's session storage
1501 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:301502 bool successful_insert = session_storage_namespace_map_.insert(
1503 make_pair(partition_id,
1504 static_cast<SessionStorageNamespaceImpl*>(
1505 session_storage_namespace)))
1506 .second;
1507 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:191508}
1509
[email protected]d202a7c2012-01-04 07:53:471510void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) {
[email protected]71fde352011-12-29 03:29:561511 max_restored_page_id_ = max_id;
1512}
1513
[email protected]d202a7c2012-01-04 07:53:471514int32 NavigationControllerImpl::GetMaxRestoredPageID() const {
[email protected]71fde352011-12-29 03:29:561515 return max_restored_page_id_;
[email protected]a26023822011-12-29 00:23:551516}
1517
[email protected]aa62afd2014-04-22 19:22:461518bool NavigationControllerImpl::IsUnmodifiedBlankTab() const {
[email protected]aa62afd2014-04-22 19:22:461519 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:101520 !GetLastCommittedEntry() &&
1521 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:461522}
1523
[email protected]a26023822011-12-29 00:23:551524SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:301525NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
1526 std::string partition_id;
1527 if (instance) {
1528 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
1529 // this if statement so |instance| must not be NULL.
1530 partition_id =
1531 GetContentClient()->browser()->GetStoragePartitionIdForSite(
1532 browser_context_, instance->GetSiteURL());
1533 }
[email protected]d1198fd2012-08-13 22:50:191534
[email protected]fdac6ade2013-07-20 01:06:301535 SessionStorageNamespaceMap::const_iterator it =
1536 session_storage_namespace_map_.find(partition_id);
1537 if (it != session_storage_namespace_map_.end())
1538 return it->second.get();
1539
1540 // Create one if no one has accessed session storage for this partition yet.
1541 //
1542 // TODO(ajwong): Should this use the |partition_id| directly rather than
1543 // re-lookup via |instance|? http://crbug.com/142685
1544 StoragePartition* partition =
1545 BrowserContext::GetStoragePartition(browser_context_, instance);
1546 SessionStorageNamespaceImpl* session_storage_namespace =
1547 new SessionStorageNamespaceImpl(
[email protected]5f2aa722013-08-07 16:59:411548 static_cast<DOMStorageContextWrapper*>(
[email protected]fdac6ade2013-07-20 01:06:301549 partition->GetDOMStorageContext()));
1550 session_storage_namespace_map_[partition_id] = session_storage_namespace;
1551
1552 return session_storage_namespace;
1553}
1554
1555SessionStorageNamespace*
1556NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
1557 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
1558 return GetSessionStorageNamespace(NULL);
1559}
1560
1561const SessionStorageNamespaceMap&
1562NavigationControllerImpl::GetSessionStorageNamespaceMap() const {
1563 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:551564}
[email protected]d202a7c2012-01-04 07:53:471565
1566bool NavigationControllerImpl::NeedsReload() const {
[email protected]71fde352011-12-29 03:29:561567 return needs_reload_;
1568}
[email protected]a26023822011-12-29 00:23:551569
[email protected]46bb5e9c2013-10-03 22:16:471570void NavigationControllerImpl::SetNeedsReload() {
1571 needs_reload_ = true;
jaekyunc8cefa82015-01-09 20:14:541572
1573 if (last_committed_entry_index_ != -1) {
1574 entries_[last_committed_entry_index_]->SetTransitionType(
1575 ui::PAGE_TRANSITION_RELOAD);
1576 }
[email protected]46bb5e9c2013-10-03 22:16:471577}
1578
[email protected]d202a7c2012-01-04 07:53:471579void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:551580 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:121581 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:311582
1583 DiscardNonCommittedEntries();
1584
1585 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:121586 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:311587 last_committed_entry_index_--;
1588}
1589
[email protected]d202a7c2012-01-04 07:53:471590void NavigationControllerImpl::DiscardNonCommittedEntries() {
[email protected]cbab76d2008-10-13 22:42:471591 bool transient = transient_entry_index_ != -1;
1592 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:291593
[email protected]cbab76d2008-10-13 22:42:471594 // If there was a transient entry, invalidate everything so the new active
1595 // entry state is shown.
1596 if (transient) {
[email protected]7f924832014-08-09 05:57:221597 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:471598 }
initial.commit09911bf2008-07-26 23:55:291599}
1600
creis3da03872015-02-20 21:12:321601NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() const {
[email protected]022af742011-12-28 18:37:251602 return pending_entry_;
1603}
1604
[email protected]d202a7c2012-01-04 07:53:471605int NavigationControllerImpl::GetPendingEntryIndex() const {
[email protected]a26023822011-12-29 00:23:551606 return pending_entry_index_;
1607}
1608
[email protected]d202a7c2012-01-04 07:53:471609void NavigationControllerImpl::InsertOrReplaceEntry(NavigationEntryImpl* entry,
1610 bool replace) {
Sylvain Defresnec6ccc77d2014-09-19 10:19:351611 DCHECK(entry->GetTransitionType() != ui::PAGE_TRANSITION_AUTO_SUBFRAME);
[email protected]765b35502008-08-21 00:51:201612
1613 // Copy the pending entry's unique ID to the committed entry.
1614 // I don't know if pending_entry_index_ can be other than -1 here.
[email protected]10f417c52011-12-28 21:04:231615 const NavigationEntryImpl* const pending_entry =
1616 (pending_entry_index_ == -1) ?
1617 pending_entry_ : entries_[pending_entry_index_].get();
[email protected]765b35502008-08-21 00:51:201618 if (pending_entry)
[email protected]36fc0392011-12-25 03:59:511619 entry->set_unique_id(pending_entry->GetUniqueID());
[email protected]765b35502008-08-21 00:51:201620
[email protected]cbab76d2008-10-13 22:42:471621 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:201622
1623 int current_size = static_cast<int>(entries_.size());
avi6567f302015-02-26 22:55:151624 DCHECK_IMPLIES(replace, current_size > 0);
[email protected]765b35502008-08-21 00:51:201625
[email protected]765b35502008-08-21 00:51:201626 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:451627 // Prune any entries which are in front of the current entry.
1628 // Also prune the current entry if we are to replace the current entry.
[email protected]47dcbdc2011-05-27 15:08:311629 // last_committed_entry_index_ must be updated here since calls to
1630 // NotifyPrunedEntries() below may re-enter and we must make sure
1631 // last_committed_entry_index_ is not left in an invalid state.
1632 if (replace)
1633 --last_committed_entry_index_;
1634
[email protected]c12bf1a12008-09-17 16:28:491635 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:311636 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:491637 num_pruned++;
[email protected]765b35502008-08-21 00:51:201638 entries_.pop_back();
1639 current_size--;
1640 }
[email protected]c12bf1a12008-09-17 16:28:491641 if (num_pruned > 0) // Only notify if we did prune something.
1642 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:201643 }
1644
[email protected]944822b2012-03-02 20:57:251645 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:201646
[email protected]10f417c52011-12-28 21:04:231647 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]765b35502008-08-21 00:51:201648 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
[email protected]e9ba4472008-09-14 15:42:431649
1650 // This is a new page ID, so we need everybody to know about it.
[email protected]ec6c05f2013-10-23 18:41:571651 delegate_->UpdateMaxPageID(entry->GetPageID());
initial.commit09911bf2008-07-26 23:55:291652}
1653
[email protected]944822b2012-03-02 20:57:251654void NavigationControllerImpl::PruneOldestEntryIfFull() {
1655 if (entries_.size() >= max_entry_count()) {
1656 DCHECK_EQ(max_entry_count(), entries_.size());
[email protected]e6fec472013-05-14 05:29:021657 DCHECK_GT(last_committed_entry_index_, 0);
[email protected]944822b2012-03-02 20:57:251658 RemoveEntryAtIndex(0);
1659 NotifyPrunedEntries(this, true, 1);
1660 }
1661}
1662
[email protected]d202a7c2012-01-04 07:53:471663void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
[email protected]72097fd02010-01-21 23:36:011664 needs_reload_ = false;
1665
[email protected]83c2e232011-10-07 21:36:461666 // If we were navigating to a slow-to-commit page, and the user performs
1667 // a session history navigation to the last committed page, RenderViewHost
1668 // will force the throbber to start, but WebKit will essentially ignore the
1669 // navigation, and won't send a message to stop the throbber. To prevent this
1670 // from happening, we drop the navigation here and stop the slow-to-commit
1671 // page from loading (which would normally happen during the navigation).
1672 if (pending_entry_index_ != -1 &&
1673 pending_entry_index_ == last_committed_entry_index_ &&
1674 (entries_[pending_entry_index_]->restore_type() ==
[email protected]10f417c52011-12-28 21:04:231675 NavigationEntryImpl::RESTORE_NONE) &&
[email protected]36fc0392011-12-25 03:59:511676 (entries_[pending_entry_index_]->GetTransitionType() &
Sylvain Defresnec6ccc77d2014-09-19 10:19:351677 ui::PAGE_TRANSITION_FORWARD_BACK)) {
[email protected]ec6c05f2013-10-23 18:41:571678 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:121679
1680 // If an interstitial page is showing, we want to close it to get back
1681 // to what was showing before.
[email protected]ec6c05f2013-10-23 18:41:571682 if (delegate_->GetInterstitialPage())
1683 delegate_->GetInterstitialPage()->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:121684
[email protected]83c2e232011-10-07 21:36:461685 DiscardNonCommittedEntries();
1686 return;
1687 }
1688
[email protected]6a13a6c2011-12-20 21:47:121689 // If an interstitial page is showing, the previous renderer is blocked and
1690 // cannot make new requests. Unblock (and disable) it to allow this
1691 // navigation to succeed. The interstitial will stay visible until the
1692 // resulting DidNavigate.
[email protected]ec6c05f2013-10-23 18:41:571693 if (delegate_->GetInterstitialPage()) {
1694 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())->
[email protected]cadaec52012-02-08 21:53:131695 CancelForNavigation();
1696 }
[email protected]6a13a6c2011-12-20 21:47:121697
initial.commit09911bf2008-07-26 23:55:291698 // For session history navigations only the pending_entry_index_ is set.
1699 if (!pending_entry_) {
[email protected]4bf3522c2010-08-19 21:00:201700 DCHECK_NE(pending_entry_index_, -1);
[email protected]765b35502008-08-21 00:51:201701 pending_entry_ = entries_[pending_entry_index_].get();
initial.commit09911bf2008-07-26 23:55:291702 }
1703
[email protected]40fd3032014-02-28 22:16:281704 // This call does not support re-entrancy. See http://crbug.com/347742.
1705 CHECK(!in_navigate_to_pending_entry_);
1706 in_navigate_to_pending_entry_ = true;
1707 bool success = delegate_->NavigateToPendingEntry(reload_type);
1708 in_navigate_to_pending_entry_ = false;
1709
1710 if (!success)
[email protected]cbab76d2008-10-13 22:42:471711 DiscardNonCommittedEntries();
[email protected]77362eb2011-08-01 17:18:381712
1713 // If the entry is being restored and doesn't have a SiteInstance yet, fill
1714 // it in now that we know. This allows us to find the entry when it commits.
[email protected]77362eb2011-08-01 17:18:381715 if (pending_entry_ && !pending_entry_->site_instance() &&
[email protected]10f417c52011-12-28 21:04:231716 pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE) {
[email protected]b6583592012-01-25 19:52:331717 pending_entry_->set_site_instance(static_cast<SiteInstanceImpl*>(
[email protected]ec6c05f2013-10-23 18:41:571718 delegate_->GetPendingSiteInstance()));
[email protected]10f417c52011-12-28 21:04:231719 pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE);
[email protected]77362eb2011-08-01 17:18:381720 }
initial.commit09911bf2008-07-26 23:55:291721}
1722
[email protected]d202a7c2012-01-04 07:53:471723void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:211724 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:271725 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:401726
[email protected]2db9bd72012-04-13 20:20:561727 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:401728 // location bar will have up-to-date information about the security style
1729 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:131730 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:401731
[email protected]7f924832014-08-09 05:57:221732 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:571733 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:461734
[email protected]b0f724c2013-09-05 04:21:131735 // TODO(avi): Remove. http://crbug.com/170921
1736 NotificationDetails notification_details =
1737 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:211738 NotificationService::current()->Notify(
1739 NOTIFICATION_NAV_ENTRY_COMMITTED,
1740 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:401741 notification_details);
initial.commit09911bf2008-07-26 23:55:291742}
1743
initial.commit09911bf2008-07-26 23:55:291744// static
[email protected]d202a7c2012-01-04 07:53:471745size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:231746 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
1747 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:211748 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:231749}
1750
[email protected]d202a7c2012-01-04 07:53:471751void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:221752 if (is_active && needs_reload_)
1753 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:291754}
1755
[email protected]d202a7c2012-01-04 07:53:471756void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:291757 if (!needs_reload_)
1758 return;
1759
initial.commit09911bf2008-07-26 23:55:291760 // Calling Reload() results in ignoring state, and not loading.
1761 // Explicitly use NavigateToPendingEntry so that the renderer uses the
1762 // cached state.
1763 pending_entry_index_ = last_committed_entry_index_;
[email protected]1ccb3568d2010-02-19 10:51:161764 NavigateToPendingEntry(NO_RELOAD);
initial.commit09911bf2008-07-26 23:55:291765}
1766
[email protected]d202a7c2012-01-04 07:53:471767void NavigationControllerImpl::NotifyEntryChanged(const NavigationEntry* entry,
1768 int index) {
[email protected]8ff00d72012-10-23 19:12:211769 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:091770 det.changed_entry = entry;
1771 det.index = index;
[email protected]8ff00d72012-10-23 19:12:211772 NotificationService::current()->Notify(
1773 NOTIFICATION_NAV_ENTRY_CHANGED,
1774 Source<NavigationController>(this),
1775 Details<EntryChangedDetails>(&det));
initial.commit09911bf2008-07-26 23:55:291776}
1777
[email protected]d202a7c2012-01-04 07:53:471778void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:361779 RestoreType type) {
[email protected]a26023822011-12-29 00:23:551780 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:361781 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:291782
[email protected]71fde352011-12-29 03:29:561783 SetMaxRestoredPageID(static_cast<int32>(GetEntryCount()));
initial.commit09911bf2008-07-26 23:55:291784
1785 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:291786}
[email protected]765b35502008-08-21 00:51:201787
[email protected]d202a7c2012-01-04 07:53:471788void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:451789 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:481790 DiscardTransientEntry();
1791}
1792
avi45a72532015-04-07 21:01:451793void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
[email protected]40fd3032014-02-28 22:16:281794 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
[email protected]e7fee58a2014-04-11 19:51:401795 // progress, since this will cause a use-after-free. (We only allow this
1796 // when the tab is being destroyed for shutdown, since it won't return to
1797 // NavigateToEntry in that case.) http://crbug.com/347742.
1798 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
[email protected]40fd3032014-02-28 22:16:281799
avi45a72532015-04-07 21:01:451800 if (was_failure && pending_entry_) {
1801 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
1802 failed_pending_entry_should_replace_ =
1803 pending_entry_->should_replace_entry();
1804 } else {
1805 failed_pending_entry_id_ = 0;
1806 }
1807
[email protected]765b35502008-08-21 00:51:201808 if (pending_entry_index_ == -1)
1809 delete pending_entry_;
1810 pending_entry_ = NULL;
1811 pending_entry_index_ = -1;
[email protected]cbab76d2008-10-13 22:42:471812}
1813
[email protected]d202a7c2012-01-04 07:53:471814void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:471815 if (transient_entry_index_ == -1)
1816 return;
[email protected]a0e69262009-06-03 19:08:481817 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:181818 if (last_committed_entry_index_ > transient_entry_index_)
1819 last_committed_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:471820 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:201821}
1822
[email protected]d202a7c2012-01-04 07:53:471823int NavigationControllerImpl::GetEntryIndexWithPageID(
[email protected]7f0005a2009-04-15 03:25:111824 SiteInstance* instance, int32 page_id) const {
[email protected]765b35502008-08-21 00:51:201825 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
[email protected]7f0005a2009-04-15 03:25:111826 if ((entries_[i]->site_instance() == instance) &&
[email protected]36fc0392011-12-25 03:59:511827 (entries_[i]->GetPageID() == page_id))
[email protected]765b35502008-08-21 00:51:201828 return i;
1829 }
1830 return -1;
1831}
[email protected]cbab76d2008-10-13 22:42:471832
creis3da03872015-02-20 21:12:321833NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() const {
[email protected]cbab76d2008-10-13 22:42:471834 if (transient_entry_index_ == -1)
1835 return NULL;
1836 return entries_[transient_entry_index_].get();
1837}
[email protected]e1cd5452010-08-26 18:03:251838
[email protected]0b684262013-02-20 02:18:211839void NavigationControllerImpl::SetTransientEntry(NavigationEntry* entry) {
1840 // Discard any current transient entry, we can only have one at a time.
1841 int index = 0;
1842 if (last_committed_entry_index_ != -1)
1843 index = last_committed_entry_index_ + 1;
1844 DiscardTransientEntry();
1845 entries_.insert(
1846 entries_.begin() + index, linked_ptr<NavigationEntryImpl>(
1847 NavigationEntryImpl::FromNavigationEntry(entry)));
1848 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:221849 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:211850}
1851
[email protected]d202a7c2012-01-04 07:53:471852void NavigationControllerImpl::InsertEntriesFrom(
1853 const NavigationControllerImpl& source,
[email protected]e1cd5452010-08-26 18:03:251854 int max_index) {
[email protected]a26023822011-12-29 00:23:551855 DCHECK_LE(max_index, source.GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:251856 size_t insert_index = 0;
1857 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:351858 // When cloning a tab, copy all entries except interstitial pages.
1859 if (source.entries_[i].get()->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
1860 // TODO(creis): Once we start sharing FrameNavigationEntries between
1861 // NavigationEntries, it will not be safe to share them with another tab.
1862 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:251863 entries_.insert(entries_.begin() + insert_index++,
[email protected]10f417c52011-12-28 21:04:231864 linked_ptr<NavigationEntryImpl>(
creisef4a0cb2015-03-12 19:14:351865 source.entries_[i]->Clone()));
[email protected]e1cd5452010-08-26 18:03:251866 }
1867 }
1868}
[email protected]c5b88d82012-10-06 17:03:331869
1870void NavigationControllerImpl::SetGetTimestampCallbackForTest(
1871 const base::Callback<base::Time()>& get_timestamp_callback) {
1872 get_timestamp_callback_ = get_timestamp_callback;
1873}
[email protected]8ff00d72012-10-23 19:12:211874
1875} // namespace content