blob: 22777840a6cfab788142e3d63935f9a704defb71 [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"
jamescookda2505812015-03-20 18:01:1817#include "content/browser/bad_message.h"
[email protected]825b1662012-03-12 19:07:3118#include "content/browser/browser_url_handler_impl.h"
[email protected]5f2aa722013-08-07 16:59:4119#include "content/browser/dom_storage/dom_storage_context_wrapper.h"
[email protected]1ea3c792012-04-17 01:25:0420#include "content/browser/dom_storage/session_storage_namespace_impl.h"
[email protected]d4a8ca482013-10-30 21:06:4021#include "content/browser/frame_host/debug_urls.h"
22#include "content/browser/frame_host/interstitial_page_impl.h"
23#include "content/browser/frame_host/navigation_entry_impl.h"
[email protected]d1581d72013-11-05 19:11:2624#include "content/browser/frame_host/navigation_entry_screenshot_manager.h"
[email protected]b3c41c0b2012-03-06 15:48:3225#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary
[email protected]b6583592012-01-25 19:52:3326#include "content/browser/site_instance_impl.h"
[email protected]37567b432014-02-12 01:12:2227#include "content/common/frame_messages.h"
[email protected]0aed2f52011-03-23 18:06:3628#include "content/common/view_messages.h"
[email protected]ccb797302011-12-15 16:55:1129#include "content/public/browser/browser_context.h"
[email protected]d1198fd2012-08-13 22:50:1930#include "content/public/browser/content_browser_client.h"
[email protected]d9083482012-01-06 00:38:4631#include "content/public/browser/invalidate_type.h"
[email protected]5b96836f2011-12-22 07:39:0032#include "content/public/browser/navigation_details.h"
[email protected]7f6f44c2011-12-14 13:23:3833#include "content/public/browser/notification_service.h"
[email protected]0d6e9bd2011-10-18 04:29:1634#include "content/public/browser/notification_types.h"
[email protected]9677a3c2012-12-22 04:18:5835#include "content/public/browser/render_widget_host.h"
36#include "content/public/browser/render_widget_host_view.h"
[email protected]4c3a23582012-08-18 08:54:3437#include "content/public/browser/storage_partition.h"
[email protected]7f6f44c2011-12-14 13:23:3838#include "content/public/browser/user_metrics.h"
[email protected]d1198fd2012-08-13 22:50:1939#include "content/public/common/content_client.h"
[email protected]7f6f44c2011-12-14 13:23:3840#include "content/public/common/content_constants.h"
avi9f07a0c2015-02-18 22:51:2941#include "content/public/common/content_switches.h"
[email protected]a23de8572009-06-03 02:16:3242#include "net/base/escape.h"
[email protected]31682282010-01-15 18:05:1643#include "net/base/mime_util.h"
[email protected]7f070d42011-03-09 20:25:3244#include "net/base/net_util.h"
[email protected]9677a3c2012-12-22 04:18:5845#include "skia/ext/platform_canvas.h"
[email protected]cca6f392014-05-28 21:32:2646#include "url/url_constants.h"
initial.commit09911bf2008-07-26 23:55:2947
[email protected]8ff00d72012-10-23 19:12:2148namespace content {
[email protected]e9ba4472008-09-14 15:42:4349namespace {
50
51// Invoked when entries have been pruned, or removed. For example, if the
52// current entries are [google, digg, yahoo], with the current entry google,
53// and the user types in cnet, then digg and yahoo are pruned.
[email protected]d202a7c2012-01-04 07:53:4754void NotifyPrunedEntries(NavigationControllerImpl* nav_controller,
[email protected]c12bf1a12008-09-17 16:28:4955 bool from_front,
56 int count) {
[email protected]8ff00d72012-10-23 19:12:2157 PrunedDetails details;
[email protected]c12bf1a12008-09-17 16:28:4958 details.from_front = from_front;
59 details.count = count;
[email protected]8ff00d72012-10-23 19:12:2160 NotificationService::current()->Notify(
61 NOTIFICATION_NAV_LIST_PRUNED,
62 Source<NavigationController>(nav_controller),
63 Details<PrunedDetails>(&details));
[email protected]e9ba4472008-09-14 15:42:4364}
65
66// Ensure the given NavigationEntry has a valid state, so that WebKit does not
67// get confused if we navigate back to it.
[email protected]40bcc302009-03-02 20:50:3968//
[email protected]e9ba4472008-09-14 15:42:4369// An empty state is treated as a new navigation by WebKit, which would mean
70// losing the navigation entries and generating a new navigation entry after
71// this one. We don't want that. To avoid this we create a valid state which
72// WebKit will not treat as a new navigation.
[email protected]691aa2f2013-05-28 22:52:0473void SetPageStateIfEmpty(NavigationEntryImpl* entry) {
74 if (!entry->GetPageState().IsValid())
75 entry->SetPageState(PageState::CreateFromURL(entry->GetURL()));
[email protected]e9ba4472008-09-14 15:42:4376}
77
[email protected]2ca1ea662012-10-04 02:26:3678NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType(
79 NavigationController::RestoreType type) {
80 switch (type) {
81 case NavigationController::RESTORE_CURRENT_SESSION:
82 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
83 case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY:
84 return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY;
85 case NavigationController::RESTORE_LAST_SESSION_CRASHED:
86 return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED;
87 }
88 NOTREACHED();
89 return NavigationEntryImpl::RESTORE_CURRENT_SESSION;
90}
91
[email protected]e9ba4472008-09-14 15:42:4392// Configure all the NavigationEntries in entries for restore. This resets
93// the transition type to reload and makes sure the content state isn't empty.
94void ConfigureEntriesForRestore(
[email protected]10f417c52011-12-28 21:04:2395 std::vector<linked_ptr<NavigationEntryImpl> >* entries,
[email protected]2ca1ea662012-10-04 02:26:3696 NavigationController::RestoreType type) {
[email protected]e9ba4472008-09-14 15:42:4397 for (size_t i = 0; i < entries->size(); ++i) {
98 // Use a transition type of reload so that we don't incorrectly increase
99 // the typed count.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35100 (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]2ca1ea662012-10-04 02:26:36101 (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type));
[email protected]e9ba4472008-09-14 15:42:43102 // NOTE(darin): This code is only needed for backwards compat.
[email protected]691aa2f2013-05-28 22:52:04103 SetPageStateIfEmpty((*entries)[i].get());
[email protected]e9ba4472008-09-14 15:42:43104 }
105}
106
[email protected]5cfbddc2014-06-23 23:52:23107// There are two general cases where a navigation is in page:
108// 1. A fragment navigation, in which the url is kept the same except for the
109// reference fragment.
110// 2. A history API navigation (pushState and replaceState). This case is
111// always in-page, but the urls are not guaranteed to match excluding the
112// fragment. The relevant spec allows pushState/replaceState to any URL on
113// the same origin.
114// However, due to reloads, even identical urls are *not* guaranteed to be
115// in-page navigations, we have to trust the renderer almost entirely.
116// The one thing we do know is that cross-origin navigations will *never* be
117// in-page. Therefore, trust the renderer if the URLs are on the same origin,
118// and assume the renderer is malicious if a cross-origin navigation claims to
119// be in-page.
[email protected]ce760d742012-08-30 22:31:10120bool AreURLsInPageNavigation(const GURL& existing_url,
121 const GURL& new_url,
[email protected]b9d4dfdc2013-08-08 00:25:12122 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:23123 RenderFrameHost* rfh) {
124 WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences();
125 bool is_same_origin = existing_url.is_empty() ||
[email protected]62e412b2014-07-11 20:06:03126 // TODO(japhet): We should only permit navigations
127 // originating from about:blank to be in-page if the
128 // about:blank is the first document that frame loaded.
129 // We don't have sufficient information to identify
130 // that case at the moment, so always allow about:blank
131 // for now.
132 existing_url == GURL(url::kAboutBlankURL) ||
[email protected]5cfbddc2014-06-23 23:52:23133 existing_url.GetOrigin() == new_url.GetOrigin() ||
ningxin.hu3d4264362015-01-26 09:10:57134 !prefs.web_security_enabled ||
135 (prefs.allow_universal_access_from_file_urls &&
136 existing_url.SchemeIs(url::kFileScheme));
jamescookda2505812015-03-20 18:01:18137 if (!is_same_origin && renderer_says_in_page) {
138 bad_message::ReceivedBadMessage(rfh->GetProcess(),
139 bad_message::NC_IN_PAGE_NAVIGATION);
140 }
[email protected]5cfbddc2014-06-23 23:52:23141 return is_same_origin && renderer_says_in_page;
[email protected]e9ba4472008-09-14 15:42:43142}
143
[email protected]bf70edce2012-06-20 22:32:22144// Determines whether or not we should be carrying over a user agent override
145// between two NavigationEntries.
[email protected]8ff00d72012-10-23 19:12:21146bool ShouldKeepOverride(const NavigationEntry* last_entry) {
[email protected]bf70edce2012-06-20 22:32:22147 return last_entry && last_entry->GetIsOverridingUserAgent();
148}
149
[email protected]e9ba4472008-09-14 15:42:43150} // namespace
151
[email protected]d202a7c2012-01-04 07:53:47152// NavigationControllerImpl ----------------------------------------------------
initial.commit09911bf2008-07-26 23:55:29153
[email protected]23a918b2014-07-15 09:51:36154const size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1);
[email protected]9b51970d2011-12-09 23:10:23155
[email protected]765b35502008-08-21 00:51:20156// static
[email protected]d202a7c2012-01-04 07:53:47157size_t NavigationControllerImpl::max_entry_count_for_testing_ =
[email protected]9b51970d2011-12-09 23:10:23158 kMaxEntryCountForTestingNotSet;
[email protected]765b35502008-08-21 00:51:20159
[email protected]e6fec472013-05-14 05:29:02160// Should Reload check for post data? The default is true, but is set to false
[email protected]cdcb1dee2012-01-04 00:46:20161// when testing.
162static bool g_check_for_repost = true;
initial.commit09911bf2008-07-26 23:55:29163
[email protected]71fde352011-12-29 03:29:56164// static
[email protected]cdcb1dee2012-01-04 00:46:20165NavigationEntry* NavigationController::CreateNavigationEntry(
[email protected]71fde352011-12-29 03:29:56166 const GURL& url,
[email protected]cdcb1dee2012-01-04 00:46:20167 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35168 ui::PageTransition transition,
[email protected]71fde352011-12-29 03:29:56169 bool is_renderer_initiated,
170 const std::string& extra_headers,
[email protected]cdcb1dee2012-01-04 00:46:20171 BrowserContext* browser_context) {
creis94a977f62015-02-18 23:51:05172 // Fix up the given URL before letting it be rewritten, so that any minor
173 // cleanup (e.g., removing leading dots) will not lead to a virtual URL.
174 GURL dest_url(url);
175 BrowserURLHandlerImpl::GetInstance()->FixupURLBeforeRewrite(&dest_url,
176 browser_context);
177
[email protected]71fde352011-12-29 03:29:56178 // Allow the browser URL handler to rewrite the URL. This will, for example,
179 // remove "view-source:" from the beginning of the URL to get the URL that
180 // will actually be loaded. This real URL won't be shown to the user, just
181 // used internally.
creis94a977f62015-02-18 23:51:05182 GURL loaded_url(dest_url);
[email protected]71fde352011-12-29 03:29:56183 bool reverse_on_redirect = false;
[email protected]825b1662012-03-12 19:07:31184 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
[email protected]71fde352011-12-29 03:29:56185 &loaded_url, browser_context, &reverse_on_redirect);
186
187 NavigationEntryImpl* entry = new NavigationEntryImpl(
188 NULL, // The site instance for tabs is sent on navigation
[email protected]2db9bd72012-04-13 20:20:56189 // (WebContents::GetSiteInstance).
[email protected]71fde352011-12-29 03:29:56190 -1,
191 loaded_url,
192 referrer,
[email protected]fcf75d42013-12-03 20:11:26193 base::string16(),
[email protected]71fde352011-12-29 03:29:56194 transition,
195 is_renderer_initiated);
creis94a977f62015-02-18 23:51:05196 entry->SetVirtualURL(dest_url);
197 entry->set_user_typed_url(dest_url);
[email protected]71fde352011-12-29 03:29:56198 entry->set_update_virtual_url_with_url(reverse_on_redirect);
199 entry->set_extra_headers(extra_headers);
200 return entry;
201}
202
[email protected]cdcb1dee2012-01-04 00:46:20203// static
204void NavigationController::DisablePromptOnRepost() {
205 g_check_for_repost = false;
206}
207
[email protected]c5b88d82012-10-06 17:03:33208base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime(
209 base::Time t) {
210 // If |t| is between the water marks, we're in a run of duplicates
211 // or just getting out of it, so increase the high-water mark to get
212 // a time that probably hasn't been used before and return it.
213 if (low_water_mark_ <= t && t <= high_water_mark_) {
214 high_water_mark_ += base::TimeDelta::FromMicroseconds(1);
215 return high_water_mark_;
216 }
217
218 // Otherwise, we're clear of the last duplicate run, so reset the
219 // water marks.
220 low_water_mark_ = high_water_mark_ = t;
221 return t;
222}
223
[email protected]d202a7c2012-01-04 07:53:47224NavigationControllerImpl::NavigationControllerImpl(
[email protected]ec6c05f2013-10-23 18:41:57225 NavigationControllerDelegate* delegate,
[email protected]d1198fd2012-08-13 22:50:19226 BrowserContext* browser_context)
[email protected]3d7474ff2011-07-27 17:47:37227 : browser_context_(browser_context),
[email protected]765b35502008-08-21 00:51:20228 pending_entry_(NULL),
avi45a72532015-04-07 21:01:45229 failed_pending_entry_id_(0),
230 failed_pending_entry_should_replace_(false),
[email protected]765b35502008-08-21 00:51:20231 last_committed_entry_index_(-1),
232 pending_entry_index_(-1),
[email protected]cbab76d2008-10-13 22:42:47233 transient_entry_index_(-1),
[email protected]ec6c05f2013-10-23 18:41:57234 delegate_(delegate),
initial.commit09911bf2008-07-26 23:55:29235 max_restored_page_id_(-1),
[email protected]69e797f2013-04-30 01:10:22236 ssl_manager_(this),
[email protected]38b8f4e2009-09-24 19:44:57237 needs_reload_(false),
[email protected]27ba81c2012-08-21 17:04:09238 is_initial_navigation_(true),
[email protected]40fd3032014-02-28 22:16:28239 in_navigate_to_pending_entry_(false),
[email protected]c5b88d82012-10-06 17:03:33240 pending_reload_(NO_RELOAD),
[email protected]8cea7892013-02-06 06:49:31241 get_timestamp_callback_(base::Bind(&base::Time::Now)),
[email protected]d1581d72013-11-05 19:11:26242 screenshot_manager_(new NavigationEntryScreenshotManager(this)) {
[email protected]3d7474ff2011-07-27 17:47:37243 DCHECK(browser_context_);
initial.commit09911bf2008-07-26 23:55:29244}
245
[email protected]d202a7c2012-01-04 07:53:47246NavigationControllerImpl::~NavigationControllerImpl() {
[email protected]cbab76d2008-10-13 22:42:47247 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:29248}
249
[email protected]d202a7c2012-01-04 07:53:47250WebContents* NavigationControllerImpl::GetWebContents() const {
[email protected]ec6c05f2013-10-23 18:41:57251 return delegate_->GetWebContents();
[email protected]fbc5e5f92012-01-02 06:08:32252}
253
[email protected]d202a7c2012-01-04 07:53:47254BrowserContext* NavigationControllerImpl::GetBrowserContext() const {
[email protected]a26023822011-12-29 00:23:55255 return browser_context_;
256}
257
[email protected]d202a7c2012-01-04 07:53:47258void NavigationControllerImpl::SetBrowserContext(
259 BrowserContext* browser_context) {
[email protected]cdcb1dee2012-01-04 00:46:20260 browser_context_ = browser_context;
261}
262
[email protected]d202a7c2012-01-04 07:53:47263void NavigationControllerImpl::Restore(
[email protected]5e369672009-11-03 23:48:30264 int selected_navigation,
[email protected]2ca1ea662012-10-04 02:26:36265 RestoreType type,
[email protected]10f417c52011-12-28 21:04:23266 std::vector<NavigationEntry*>* entries) {
[email protected]ce3fa3c2009-04-20 19:55:57267 // Verify that this controller is unused and that the input is valid.
[email protected]a26023822011-12-29 00:23:55268 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:57269 DCHECK(selected_navigation >= 0 &&
[email protected]03838e22011-06-06 15:27:14270 selected_navigation < static_cast<int>(entries->size()));
[email protected]ce3fa3c2009-04-20 19:55:57271
[email protected]ce3fa3c2009-04-20 19:55:57272 needs_reload_ = true;
[email protected]ad23a092011-12-28 07:02:04273 for (size_t i = 0; i < entries->size(); ++i) {
[email protected]10f417c52011-12-28 21:04:23274 NavigationEntryImpl* entry =
275 NavigationEntryImpl::FromNavigationEntry((*entries)[i]);
276 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]ad23a092011-12-28 07:02:04277 }
[email protected]03838e22011-06-06 15:27:14278 entries->clear();
[email protected]ce3fa3c2009-04-20 19:55:57279
280 // And finish the restore.
[email protected]2ca1ea662012-10-04 02:26:36281 FinishRestore(selected_navigation, type);
[email protected]ce3fa3c2009-04-20 19:55:57282}
283
[email protected]d202a7c2012-01-04 07:53:47284void NavigationControllerImpl::Reload(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16285 ReloadInternal(check_for_repost, RELOAD);
286}
[email protected]d202a7c2012-01-04 07:53:47287void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) {
[email protected]1ccb3568d2010-02-19 10:51:16288 ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE);
289}
[email protected]7c16976c2012-08-04 02:38:23290void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) {
291 ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL);
292}
[email protected]1ccb3568d2010-02-19 10:51:16293
[email protected]d202a7c2012-01-04 07:53:47294void NavigationControllerImpl::ReloadInternal(bool check_for_repost,
295 ReloadType reload_type) {
[email protected]669e0ba2012-08-30 23:57:36296 if (transient_entry_index_ != -1) {
297 // If an interstitial is showing, treat a reload as a navigation to the
298 // transient entry's URL.
creis3da03872015-02-20 21:12:32299 NavigationEntryImpl* transient_entry = GetTransientEntry();
[email protected]6286a3792013-10-09 04:03:27300 if (!transient_entry)
[email protected]669e0ba2012-08-30 23:57:36301 return;
[email protected]6286a3792013-10-09 04:03:27302 LoadURL(transient_entry->GetURL(),
[email protected]8ff00d72012-10-23 19:12:21303 Referrer(),
Sylvain Defresnec6ccc77d2014-09-19 10:19:35304 ui::PAGE_TRANSITION_RELOAD,
[email protected]6286a3792013-10-09 04:03:27305 transient_entry->extra_headers());
[email protected]cbab76d2008-10-13 22:42:47306 return;
[email protected]669e0ba2012-08-30 23:57:36307 }
[email protected]cbab76d2008-10-13 22:42:47308
[email protected]59167c22013-06-03 18:07:32309 NavigationEntryImpl* entry = NULL;
310 int current_index = -1;
311
312 // If we are reloading the initial navigation, just use the current
313 // pending entry. Otherwise look up the current entry.
314 if (IsInitialNavigation() && pending_entry_) {
315 entry = pending_entry_;
316 // The pending entry might be in entries_ (e.g., after a Clone), so we
317 // should also update the current_index.
318 current_index = pending_entry_index_;
319 } else {
320 DiscardNonCommittedEntriesInternal();
321 current_index = GetCurrentEntryIndex();
322 if (current_index != -1) {
creis3da03872015-02-20 21:12:32323 entry = GetEntryAtIndex(current_index);
[email protected]59167c22013-06-03 18:07:32324 }
[email protected]979a4bc2013-04-24 01:27:15325 }
[email protected]241db352013-04-22 18:04:05326
[email protected]59167c22013-06-03 18:07:32327 // If we are no where, then we can't reload. TODO(darin): We should add a
328 // CanReload method.
329 if (!entry)
330 return;
331
[email protected]eaaba7dd2013-10-14 02:38:07332 if (reload_type == NavigationControllerImpl::RELOAD_ORIGINAL_REQUEST_URL &&
333 entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) {
334 // We may have been redirected when navigating to the current URL.
335 // Use the URL the user originally intended to visit, if it's valid and if a
336 // POST wasn't involved; the latter case avoids issues with sending data to
337 // the wrong page.
338 entry->SetURL(entry->GetOriginalRequestURL());
[email protected]25cd5f12014-01-10 11:02:20339 entry->SetReferrer(Referrer());
[email protected]eaaba7dd2013-10-14 02:38:07340 }
341
[email protected]cdcb1dee2012-01-04 00:46:20342 if (g_check_for_repost && check_for_repost &&
[email protected]59167c22013-06-03 18:07:32343 entry->GetHasPostData()) {
[email protected]a3a1d142008-12-19 00:42:30344 // The user is asking to reload a page with POST data. Prompt to make sure
[email protected]b5bb35f2009-02-05 20:17:07345 // they really want to do this. If they do, the dialog will call us back
346 // with check_for_repost = false.
[email protected]ec6c05f2013-10-23 18:41:57347 delegate_->NotifyBeforeFormRepostWarningShow();
[email protected]965bb092010-04-09 11:59:02348
[email protected]106a0812010-03-18 00:15:12349 pending_reload_ = reload_type;
[email protected]ec6c05f2013-10-23 18:41:57350 delegate_->ActivateAndShowRepostFormWarningDialog();
initial.commit09911bf2008-07-26 23:55:29351 } else {
[email protected]59167c22013-06-03 18:07:32352 if (!IsInitialNavigation())
353 DiscardNonCommittedEntriesInternal();
[email protected]c3b3d952012-01-31 12:52:26354
[email protected]bcd904482012-02-01 01:54:22355 // If we are reloading an entry that no longer belongs to the current
356 // site instance (for example, refreshing a page for just installed app),
357 // the reload must happen in a new process.
358 // The new entry must have a new page_id and site instance, so it behaves
359 // as new navigation (which happens to clear forward history).
[email protected]7e58cb272012-03-30 21:22:30360 // Tabs that are discarded due to low memory conditions may not have a site
361 // instance, and should not be treated as a cross-site reload.
[email protected]59167c22013-06-03 18:07:32362 SiteInstanceImpl* site_instance = entry->site_instance();
[email protected]fb4cc8e2013-12-17 17:56:21363 // Permit reloading guests without further checks.
[email protected]fe294ce2014-05-30 05:55:01364 bool is_isolated_guest = site_instance && site_instance->HasProcess() &&
365 site_instance->GetProcess()->IsIsolatedGuest();
366 if (!is_isolated_guest && site_instance &&
[email protected]7e58cb272012-03-30 21:22:30367 site_instance->HasWrongProcessForURL(entry->GetURL())) {
[email protected]bcd904482012-02-01 01:54:22368 // Create a navigation entry that resembles the current one, but do not
[email protected]688aa65c62012-09-28 04:32:22369 // copy page id, site instance, content state, or timestamp.
[email protected]bcd904482012-02-01 01:54:22370 NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry(
371 CreateNavigationEntry(
372 entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(),
373 false, entry->extra_headers(), browser_context_));
[email protected]c3b3d952012-01-31 12:52:26374
[email protected]11535962012-02-09 21:02:10375 // Mark the reload type as NO_RELOAD, so navigation will not be considered
376 // a reload in the renderer.
377 reload_type = NavigationController::NO_RELOAD;
378
[email protected]e2caa032012-11-15 23:29:18379 nav_entry->set_should_replace_entry(true);
[email protected]bcd904482012-02-01 01:54:22380 pending_entry_ = nav_entry;
381 } else {
[email protected]59167c22013-06-03 18:07:32382 pending_entry_ = entry;
[email protected]bcd904482012-02-01 01:54:22383 pending_entry_index_ = current_index;
384
385 // The title of the page being reloaded might have been removed in the
386 // meanwhile, so we need to revert to the default title upon reload and
387 // invalidate the previously cached title (SetTitle will do both).
388 // See Chromium issue 96041.
[email protected]fcf75d42013-12-03 20:11:26389 pending_entry_->SetTitle(base::string16());
[email protected]bcd904482012-02-01 01:54:22390
Sylvain Defresnec6ccc77d2014-09-19 10:19:35391 pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD);
[email protected]bcd904482012-02-01 01:54:22392 }
393
[email protected]1ccb3568d2010-02-19 10:51:16394 NavigateToPendingEntry(reload_type);
initial.commit09911bf2008-07-26 23:55:29395 }
396}
397
[email protected]d202a7c2012-01-04 07:53:47398void NavigationControllerImpl::CancelPendingReload() {
[email protected]106a0812010-03-18 00:15:12399 DCHECK(pending_reload_ != NO_RELOAD);
400 pending_reload_ = NO_RELOAD;
401}
402
[email protected]d202a7c2012-01-04 07:53:47403void NavigationControllerImpl::ContinuePendingReload() {
[email protected]106a0812010-03-18 00:15:12404 if (pending_reload_ == NO_RELOAD) {
405 NOTREACHED();
406 } else {
407 ReloadInternal(false, pending_reload_);
[email protected]965bb092010-04-09 11:59:02408 pending_reload_ = NO_RELOAD;
[email protected]106a0812010-03-18 00:15:12409 }
410}
411
[email protected]cd2e15742013-03-08 04:08:31412bool NavigationControllerImpl::IsInitialNavigation() const {
[email protected]27ba81c2012-08-21 17:04:09413 return is_initial_navigation_;
[email protected]c70f9b82010-04-21 07:31:11414}
415
[email protected]d202a7c2012-01-04 07:53:47416NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID(
[email protected]b6583592012-01-25 19:52:33417 SiteInstance* instance, int32 page_id) const {
[email protected]7f0005a2009-04-15 03:25:11418 int index = GetEntryIndexWithPageID(instance, page_id);
[email protected]765b35502008-08-21 00:51:20419 return (index != -1) ? entries_[index].get() : NULL;
420}
421
[email protected]d202a7c2012-01-04 07:53:47422void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) {
[email protected]765b35502008-08-21 00:51:20423 // When navigating to a new page, we don't know for sure if we will actually
424 // end up leaving the current page. The new page load could for example
425 // result in a download or a 'no content' response (e.g., a mailto: URL).
[email protected]59167c22013-06-03 18:07:32426 SetPendingEntry(entry);
427 NavigateToPendingEntry(NO_RELOAD);
428}
429
430void NavigationControllerImpl::SetPendingEntry(NavigationEntryImpl* entry) {
[email protected]cbab76d2008-10-13 22:42:47431 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:20432 pending_entry_ = entry;
[email protected]8ff00d72012-10-23 19:12:21433 NotificationService::current()->Notify(
434 NOTIFICATION_NAV_ENTRY_PENDING,
435 Source<NavigationController>(this),
436 Details<NavigationEntry>(entry));
[email protected]765b35502008-08-21 00:51:20437}
438
creis3da03872015-02-20 21:12:32439NavigationEntryImpl* NavigationControllerImpl::GetActiveEntry() const {
[email protected]cbab76d2008-10-13 22:42:47440 if (transient_entry_index_ != -1)
441 return entries_[transient_entry_index_].get();
442 if (pending_entry_)
443 return pending_entry_;
444 return GetLastCommittedEntry();
[email protected]765b35502008-08-21 00:51:20445}
446
creis3da03872015-02-20 21:12:32447NavigationEntryImpl* NavigationControllerImpl::GetVisibleEntry() const {
[email protected]867e1f92011-08-30 19:01:19448 if (transient_entry_index_ != -1)
449 return entries_[transient_entry_index_].get();
[email protected]59167c22013-06-03 18:07:32450 // The pending entry is safe to return for new (non-history), browser-
451 // initiated navigations. Most renderer-initiated navigations should not
452 // show the pending entry, to prevent URL spoof attacks.
453 //
454 // We make an exception for renderer-initiated navigations in new tabs, as
455 // long as no other page has tried to access the initial empty document in
456 // the new tab. If another page modifies this blank page, a URL spoof is
457 // possible, so we must stop showing the pending entry.
[email protected]59167c22013-06-03 18:07:32458 bool safe_to_show_pending =
459 pending_entry_ &&
460 // Require a new navigation.
avi0dca04d2015-01-26 20:21:09461 pending_entry_index_ == -1 &&
[email protected]59167c22013-06-03 18:07:32462 // Require either browser-initiated or an unmodified new tab.
[email protected]aa62afd2014-04-22 19:22:46463 (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab());
[email protected]59167c22013-06-03 18:07:32464
465 // Also allow showing the pending entry for history navigations in a new tab,
466 // such as Ctrl+Back. In this case, no existing page is visible and no one
467 // can script the new tab before it commits.
468 if (!safe_to_show_pending &&
469 pending_entry_ &&
avi0dca04d2015-01-26 20:21:09470 pending_entry_index_ != -1 &&
[email protected]59167c22013-06-03 18:07:32471 IsInitialNavigation() &&
[email protected]e47ae9472011-10-13 19:48:34472 !pending_entry_->is_renderer_initiated())
[email protected]59167c22013-06-03 18:07:32473 safe_to_show_pending = true;
474
475 if (safe_to_show_pending)
[email protected]867e1f92011-08-30 19:01:19476 return pending_entry_;
477 return GetLastCommittedEntry();
478}
479
[email protected]d202a7c2012-01-04 07:53:47480int NavigationControllerImpl::GetCurrentEntryIndex() const {
[email protected]cbab76d2008-10-13 22:42:47481 if (transient_entry_index_ != -1)
482 return transient_entry_index_;
[email protected]765b35502008-08-21 00:51:20483 if (pending_entry_index_ != -1)
484 return pending_entry_index_;
485 return last_committed_entry_index_;
486}
487
creis3da03872015-02-20 21:12:32488NavigationEntryImpl* NavigationControllerImpl::GetLastCommittedEntry() const {
[email protected]765b35502008-08-21 00:51:20489 if (last_committed_entry_index_ == -1)
490 return NULL;
491 return entries_[last_committed_entry_index_].get();
492}
493
[email protected]d202a7c2012-01-04 07:53:47494bool NavigationControllerImpl::CanViewSource() const {
[email protected]ec6c05f2013-10-23 18:41:57495 const std::string& mime_type = delegate_->GetContentsMimeType();
[email protected]9d86c4982013-01-09 00:38:34496 bool is_viewable_mime_type = net::IsSupportedNonImageMimeType(mime_type) &&
497 !net::IsSupportedMediaMimeType(mime_type);
[email protected]6286a3792013-10-09 04:03:27498 NavigationEntry* visible_entry = GetVisibleEntry();
499 return visible_entry && !visible_entry->IsViewSourceMode() &&
[email protected]ec6c05f2013-10-23 18:41:57500 is_viewable_mime_type && !delegate_->GetInterstitialPage();
[email protected]31682282010-01-15 18:05:16501}
502
[email protected]d202a7c2012-01-04 07:53:47503int NavigationControllerImpl::GetLastCommittedEntryIndex() const {
[email protected]a26023822011-12-29 00:23:55504 return last_committed_entry_index_;
505}
506
[email protected]d202a7c2012-01-04 07:53:47507int NavigationControllerImpl::GetEntryCount() const {
[email protected]944822b2012-03-02 20:57:25508 DCHECK(entries_.size() <= max_entry_count());
[email protected]a26023822011-12-29 00:23:55509 return static_cast<int>(entries_.size());
510}
511
creis3da03872015-02-20 21:12:32512NavigationEntryImpl* NavigationControllerImpl::GetEntryAtIndex(
[email protected]022af742011-12-28 18:37:25513 int index) const {
514 return entries_.at(index).get();
515}
516
creis3da03872015-02-20 21:12:32517NavigationEntryImpl* NavigationControllerImpl::GetEntryAtOffset(
[email protected]022af742011-12-28 18:37:25518 int offset) const {
[email protected]9ba14052012-06-22 23:50:03519 int index = GetIndexForOffset(offset);
[email protected]a26023822011-12-29 00:23:55520 if (index < 0 || index >= GetEntryCount())
[email protected]765b35502008-08-21 00:51:20521 return NULL;
522
523 return entries_[index].get();
524}
525
[email protected]9ba14052012-06-22 23:50:03526int NavigationControllerImpl::GetIndexForOffset(int offset) const {
[email protected]7bc2b032012-12-19 22:45:46527 return GetCurrentEntryIndex() + offset;
[email protected]9ba14052012-06-22 23:50:03528}
529
[email protected]9677a3c2012-12-22 04:18:58530void NavigationControllerImpl::TakeScreenshot() {
[email protected]1a3f5312013-04-26 21:00:10531 screenshot_manager_->TakeScreenshot();
[email protected]9677a3c2012-12-22 04:18:58532}
533
[email protected]1a3f5312013-04-26 21:00:10534void NavigationControllerImpl::SetScreenshotManager(
[email protected]d1581d72013-11-05 19:11:26535 NavigationEntryScreenshotManager* manager) {
[email protected]1a3f5312013-04-26 21:00:10536 screenshot_manager_.reset(manager ? manager :
[email protected]d1581d72013-11-05 19:11:26537 new NavigationEntryScreenshotManager(this));
[email protected]9677a3c2012-12-22 04:18:58538}
539
[email protected]d202a7c2012-01-04 07:53:47540bool NavigationControllerImpl::CanGoBack() const {
[email protected]765b35502008-08-21 00:51:20541 return entries_.size() > 1 && GetCurrentEntryIndex() > 0;
542}
543
[email protected]d202a7c2012-01-04 07:53:47544bool NavigationControllerImpl::CanGoForward() const {
[email protected]765b35502008-08-21 00:51:20545 int index = GetCurrentEntryIndex();
546 return index >= 0 && index < (static_cast<int>(entries_.size()) - 1);
547}
548
[email protected]9ba14052012-06-22 23:50:03549bool NavigationControllerImpl::CanGoToOffset(int offset) const {
550 int index = GetIndexForOffset(offset);
551 return index >= 0 && index < GetEntryCount();
552}
553
[email protected]d202a7c2012-01-04 07:53:47554void NavigationControllerImpl::GoBack() {
[email protected]765b35502008-08-21 00:51:20555 if (!CanGoBack()) {
556 NOTREACHED();
557 return;
558 }
559
560 // Base the navigation on where we are now...
561 int current_index = GetCurrentEntryIndex();
562
[email protected]cbab76d2008-10-13 22:42:47563 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20564
565 pending_entry_index_ = current_index - 1;
[email protected]022af742011-12-28 18:37:25566 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35567 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51568 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35569 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16570 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20571}
572
[email protected]d202a7c2012-01-04 07:53:47573void NavigationControllerImpl::GoForward() {
[email protected]765b35502008-08-21 00:51:20574 if (!CanGoForward()) {
575 NOTREACHED();
576 return;
577 }
578
[email protected]cbab76d2008-10-13 22:42:47579 bool transient = (transient_entry_index_ != -1);
580
[email protected]765b35502008-08-21 00:51:20581 // Base the navigation on where we are now...
582 int current_index = GetCurrentEntryIndex();
583
[email protected]cbab76d2008-10-13 22:42:47584 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20585
[email protected]cbab76d2008-10-13 22:42:47586 pending_entry_index_ = current_index;
587 // If there was a transient entry, we removed it making the current index
588 // the next page.
589 if (!transient)
590 pending_entry_index_++;
591
[email protected]022af742011-12-28 18:37:25592 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35593 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51594 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35595 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16596 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20597}
598
[email protected]d202a7c2012-01-04 07:53:47599void NavigationControllerImpl::GoToIndex(int index) {
[email protected]765b35502008-08-21 00:51:20600 if (index < 0 || index >= static_cast<int>(entries_.size())) {
601 NOTREACHED();
602 return;
603 }
604
[email protected]cbab76d2008-10-13 22:42:47605 if (transient_entry_index_ != -1) {
606 if (index == transient_entry_index_) {
607 // Nothing to do when navigating to the transient.
608 return;
609 }
610 if (index > transient_entry_index_) {
611 // Removing the transient is goint to shift all entries by 1.
612 index--;
613 }
614 }
615
616 DiscardNonCommittedEntries();
[email protected]765b35502008-08-21 00:51:20617
618 pending_entry_index_ = index;
[email protected]022af742011-12-28 18:37:25619 entries_[pending_entry_index_]->SetTransitionType(
Sylvain Defresnec6ccc77d2014-09-19 10:19:35620 ui::PageTransitionFromInt(
[email protected]36fc0392011-12-25 03:59:51621 entries_[pending_entry_index_]->GetTransitionType() |
Sylvain Defresnec6ccc77d2014-09-19 10:19:35622 ui::PAGE_TRANSITION_FORWARD_BACK));
[email protected]1ccb3568d2010-02-19 10:51:16623 NavigateToPendingEntry(NO_RELOAD);
[email protected]765b35502008-08-21 00:51:20624}
625
[email protected]d202a7c2012-01-04 07:53:47626void NavigationControllerImpl::GoToOffset(int offset) {
[email protected]9ba14052012-06-22 23:50:03627 if (!CanGoToOffset(offset))
[email protected]765b35502008-08-21 00:51:20628 return;
629
[email protected]9ba14052012-06-22 23:50:03630 GoToIndex(GetIndexForOffset(offset));
[email protected]765b35502008-08-21 00:51:20631}
632
[email protected]41374f12013-07-24 02:49:28633bool NavigationControllerImpl::RemoveEntryAtIndex(int index) {
634 if (index == last_committed_entry_index_ ||
635 index == pending_entry_index_)
636 return false;
[email protected]6a13a6c2011-12-20 21:47:12637
[email protected]43032342011-03-21 14:10:31638 RemoveEntryAtIndexInternal(index);
[email protected]41374f12013-07-24 02:49:28639 return true;
[email protected]cbab76d2008-10-13 22:42:47640}
641
[email protected]d202a7c2012-01-04 07:53:47642void NavigationControllerImpl::UpdateVirtualURLToURL(
[email protected]10f417c52011-12-28 21:04:23643 NavigationEntryImpl* entry, const GURL& new_url) {
[email protected]38178a42009-12-17 18:58:32644 GURL new_virtual_url(new_url);
[email protected]825b1662012-03-12 19:07:31645 if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite(
[email protected]36fc0392011-12-25 03:59:51646 &new_virtual_url, entry->GetVirtualURL(), browser_context_)) {
647 entry->SetVirtualURL(new_virtual_url);
[email protected]38178a42009-12-17 18:58:32648 }
649}
650
[email protected]d202a7c2012-01-04 07:53:47651void NavigationControllerImpl::LoadURL(
[email protected]6c6b02d2011-09-02 03:36:47652 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21653 const Referrer& referrer,
Sylvain Defresnec6ccc77d2014-09-19 10:19:35654 ui::PageTransition transition,
[email protected]6c6b02d2011-09-02 03:36:47655 const std::string& extra_headers) {
[email protected]cf002332012-08-14 19:17:47656 LoadURLParams params(url);
657 params.referrer = referrer;
658 params.transition_type = transition;
659 params.extra_headers = extra_headers;
660 LoadURLWithParams(params);
661}
662
663void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
naskob8744d22014-08-28 17:07:43664 TRACE_EVENT1("browser,navigation",
665 "NavigationControllerImpl::LoadURLWithParams",
666 "url", params.url.possibly_invalid_spec());
[email protected]47752982014-07-29 08:01:43667 if (HandleDebugURL(params.url, params.transition_type)) {
668 // If Telemetry is running, allow the URL load to proceed as if it's
669 // unhandled, otherwise Telemetry can't tell if Navigation completed.
avi83883c82014-12-23 00:08:49670 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
[email protected]47752982014-07-29 08:01:43671 cc::switches::kEnableGpuBenchmarking))
672 return;
673 }
[email protected]8bf1048012012-02-08 01:22:18674
[email protected]c02f1ba2014-02-03 06:53:53675 // Any renderer-side debug URLs or javascript: URLs should be ignored if the
[email protected]c21e5c22014-02-05 23:56:41676 // renderer process is not live, unless it is the initial navigation of the
677 // tab.
[email protected]c02f1ba2014-02-03 06:53:53678 if (IsRendererDebugURL(params.url)) {
679 // TODO(creis): Find the RVH for the correct frame.
[email protected]c21e5c22014-02-05 23:56:41680 if (!delegate_->GetRenderViewHost()->IsRenderViewLive() &&
681 !IsInitialNavigation())
[email protected]c02f1ba2014-02-03 06:53:53682 return;
683 }
684
[email protected]cf002332012-08-14 19:17:47685 // Checks based on params.load_type.
686 switch (params.load_type) {
687 case LOAD_TYPE_DEFAULT:
688 break;
689 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
[email protected]e8ca69c2014-05-07 15:31:19690 if (!params.url.SchemeIs(url::kHttpScheme) &&
691 !params.url.SchemeIs(url::kHttpsScheme)) {
[email protected]cf002332012-08-14 19:17:47692 NOTREACHED() << "Http post load must use http(s) scheme.";
693 return;
694 }
695 break;
696 case LOAD_TYPE_DATA:
[email protected]cca6f392014-05-28 21:32:26697 if (!params.url.SchemeIs(url::kDataScheme)) {
[email protected]cf002332012-08-14 19:17:47698 NOTREACHED() << "Data load must use data scheme.";
699 return;
700 }
701 break;
702 default:
703 NOTREACHED();
704 break;
705 };
[email protected]e47ae9472011-10-13 19:48:34706
[email protected]e47ae9472011-10-13 19:48:34707 // The user initiated a load, we don't need to reload anymore.
708 needs_reload_ = false;
709
[email protected]cf002332012-08-14 19:17:47710 bool override = false;
711 switch (params.override_user_agent) {
712 case UA_OVERRIDE_INHERIT:
713 override = ShouldKeepOverride(GetLastCommittedEntry());
714 break;
715 case UA_OVERRIDE_TRUE:
716 override = true;
717 break;
718 case UA_OVERRIDE_FALSE:
719 override = false;
720 break;
721 default:
722 NOTREACHED();
723 break;
[email protected]d1ef81d2012-07-24 11:39:36724 }
725
[email protected]d1ef81d2012-07-24 11:39:36726 NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry(
727 CreateNavigationEntry(
[email protected]cf002332012-08-14 19:17:47728 params.url,
729 params.referrer,
730 params.transition_type,
731 params.is_renderer_initiated,
732 params.extra_headers,
[email protected]d1ef81d2012-07-24 11:39:36733 browser_context_));
creis6a93a812015-04-24 23:13:17734 if (!params.frame_name.empty()) {
735 // This is only used for navigating subframes in tests.
736 FrameTreeNode* named_frame =
737 delegate_->GetFrameTree()->FindByName(params.frame_name);
738 if (named_frame)
739 entry->set_frame_tree_node_id(named_frame->frame_tree_node_id());
740 }
[email protected]c80297782013-11-21 07:10:16741 if (params.frame_tree_node_id != -1)
742 entry->set_frame_tree_node_id(params.frame_tree_node_id);
lfg9ef7d2d2014-12-15 22:32:30743 entry->set_source_site_instance(
744 static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
[email protected]f8872902013-10-30 03:18:57745 if (params.redirect_chain.size() > 0)
[email protected]c1982ff2014-04-23 03:37:21746 entry->SetRedirectChain(params.redirect_chain);
avib6cc1562015-02-12 19:56:39747 // Don't allow an entry replacement if there is no entry to replace.
748 // http://crbug.com/457149
749 if (params.should_replace_current_entry && entries_.size() > 0)
[email protected]e2caa032012-11-15 23:29:18750 entry->set_should_replace_entry(true);
[email protected]60d6cca2013-04-30 08:47:13751 entry->set_should_clear_history_list(params.should_clear_history_list);
[email protected]cf002332012-08-14 19:17:47752 entry->SetIsOverridingUserAgent(override);
753 entry->set_transferred_global_request_id(
754 params.transferred_global_request_id);
[email protected]d1ef81d2012-07-24 11:39:36755
clamy8451aa62015-01-23 16:56:08756#if defined(OS_ANDROID)
757 if (params.intent_received_timestamp > 0) {
758 entry->set_intent_received_timestamp(
759 base::TimeTicks() +
760 base::TimeDelta::FromMilliseconds(params.intent_received_timestamp));
761 }
762#endif
763
[email protected]cf002332012-08-14 19:17:47764 switch (params.load_type) {
765 case LOAD_TYPE_DEFAULT:
766 break;
767 case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST:
768 entry->SetHasPostData(true);
769 entry->SetBrowserInitiatedPostData(
[email protected]fc72bb12013-06-02 21:13:46770 params.browser_initiated_post_data.get());
[email protected]cf002332012-08-14 19:17:47771 break;
772 case LOAD_TYPE_DATA:
773 entry->SetBaseURLForDataURL(params.base_url_for_data_url);
774 entry->SetVirtualURL(params.virtual_url_for_data_url);
[email protected]951a64832012-10-11 16:26:37775 entry->SetCanLoadLocalResources(params.can_load_local_resources);
[email protected]cf002332012-08-14 19:17:47776 break;
777 default:
778 NOTREACHED();
779 break;
780 };
[email protected]132e281a2012-07-31 18:32:44781
782 LoadEntry(entry);
783}
784
[email protected]d202a7c2012-01-04 07:53:47785bool NavigationControllerImpl::RendererDidNavigate(
creis3da03872015-02-20 21:12:32786 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22787 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]8ff00d72012-10-23 19:12:21788 LoadCommittedDetails* details) {
[email protected]cd2e15742013-03-08 04:08:31789 is_initial_navigation_ = false;
790
[email protected]0e8db942008-09-24 21:21:48791 // Save the previous state before we clobber it.
792 if (GetLastCommittedEntry()) {
[email protected]36fc0392011-12-25 03:59:51793 details->previous_url = GetLastCommittedEntry()->GetURL();
[email protected]a26023822011-12-29 00:23:55794 details->previous_entry_index = GetLastCommittedEntryIndex();
[email protected]0e8db942008-09-24 21:21:48795 } else {
796 details->previous_url = GURL();
797 details->previous_entry_index = -1;
798 }
[email protected]ecd9d8702008-08-28 22:10:17799
[email protected]77362eb2011-08-01 17:18:38800 // If we have a pending entry at this point, it should have a SiteInstance.
801 // Restored entries start out with a null SiteInstance, but we should have
802 // assigned one in NavigateToPendingEntry.
803 DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance());
[email protected]e9ba4472008-09-14 15:42:43804
[email protected]bcd904482012-02-01 01:54:22805 // If we are doing a cross-site reload, we need to replace the existing
806 // navigation entry, not add another entry to the history. This has the side
avi45a72532015-04-07 21:01:45807 // effect of removing forward browsing history, if such existed. Or if we are
808 // doing a cross-site redirect navigation, we will do a similar thing.
809 //
810 // If this is an error load, we may have already removed the pending entry
811 // when we got the notice of the load failure. If so, look at the copy of the
812 // pending parameters that were saved.
813 if (params.url_is_unreachable && failed_pending_entry_id_ != 0) {
814 details->did_replace_entry = failed_pending_entry_should_replace_;
815 } else {
816 details->did_replace_entry = pending_entry_ &&
817 pending_entry_->should_replace_entry();
818 }
[email protected]bcd904482012-02-01 01:54:22819
[email protected]e9ba4472008-09-14 15:42:43820 // Do navigation-type specific actions. These will make and commit an entry.
[email protected]27dd82fd2014-03-03 22:11:43821 details->type = ClassifyNavigation(rfh, params);
[email protected]4bf3522c2010-08-19 21:00:20822
[email protected]b9d4dfdc2013-08-08 00:25:12823 // is_in_page must be computed before the entry gets committed.
[email protected]5cfbddc2014-06-23 23:52:23824 details->is_in_page = AreURLsInPageNavigation(rfh->GetLastCommittedURL(),
825 params.url, params.was_within_same_page, rfh);
[email protected]b9d4dfdc2013-08-08 00:25:12826
[email protected]0e8db942008-09-24 21:21:48827 switch (details->type) {
[email protected]8ff00d72012-10-23 19:12:21828 case NAVIGATION_TYPE_NEW_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43829 RendererDidNavigateToNewPage(rfh, params, details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43830 break;
[email protected]8ff00d72012-10-23 19:12:21831 case NAVIGATION_TYPE_EXISTING_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43832 RendererDidNavigateToExistingPage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43833 break;
[email protected]8ff00d72012-10-23 19:12:21834 case NAVIGATION_TYPE_SAME_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43835 RendererDidNavigateToSamePage(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43836 break;
[email protected]8ff00d72012-10-23 19:12:21837 case NAVIGATION_TYPE_IN_PAGE:
[email protected]27dd82fd2014-03-03 22:11:43838 RendererDidNavigateInPage(rfh, params, &details->did_replace_entry);
[email protected]e9ba4472008-09-14 15:42:43839 break;
[email protected]8ff00d72012-10-23 19:12:21840 case NAVIGATION_TYPE_NEW_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43841 RendererDidNavigateNewSubframe(rfh, params);
[email protected]e9ba4472008-09-14 15:42:43842 break;
[email protected]8ff00d72012-10-23 19:12:21843 case NAVIGATION_TYPE_AUTO_SUBFRAME:
[email protected]27dd82fd2014-03-03 22:11:43844 if (!RendererDidNavigateAutoSubframe(rfh, params))
[email protected]e9ba4472008-09-14 15:42:43845 return false;
846 break;
[email protected]8ff00d72012-10-23 19:12:21847 case NAVIGATION_TYPE_NAV_IGNORE:
[email protected]20d1c992011-04-12 21:17:49848 // If a pending navigation was in progress, this canceled it. We should
849 // discard it and make sure it is removed from the URL bar. After that,
850 // there is nothing we can do with this navigation, so we just return to
[email protected]e9ba4472008-09-14 15:42:43851 // the caller that nothing has happened.
[email protected]20d1c992011-04-12 21:17:49852 if (pending_entry_) {
853 DiscardNonCommittedEntries();
[email protected]ec6c05f2013-10-23 18:41:57854 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL);
[email protected]20d1c992011-04-12 21:17:49855 }
[email protected]e9ba4472008-09-14 15:42:43856 return false;
857 default:
858 NOTREACHED();
[email protected]765b35502008-08-21 00:51:20859 }
860
[email protected]688aa65c62012-09-28 04:32:22861 // At this point, we know that the navigation has just completed, so
862 // record the time.
863 //
864 // TODO(akalin): Use "sane time" as described in
865 // http://www.chromium.org/developers/design-documents/sane-time .
[email protected]c5b88d82012-10-06 17:03:33866 base::Time timestamp =
867 time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run());
868 DVLOG(1) << "Navigation finished at (smoothed) timestamp "
[email protected]688aa65c62012-09-28 04:32:22869 << timestamp.ToInternalValue();
870
[email protected]f233e4232013-02-23 00:55:14871 // We should not have a pending entry anymore. Clear it again in case any
872 // error cases above forgot to do so.
873 DiscardNonCommittedEntriesInternal();
874
[email protected]e9ba4472008-09-14 15:42:43875 // All committed entries should have nonempty content state so WebKit doesn't
876 // get confused when we go back to them (see the function for details).
[email protected]691aa2f2013-05-28 22:52:04877 DCHECK(params.page_state.IsValid());
creis3da03872015-02-20 21:12:32878 NavigationEntryImpl* active_entry = GetLastCommittedEntry();
[email protected]688aa65c62012-09-28 04:32:22879 active_entry->SetTimestamp(timestamp);
[email protected]f49737b32013-08-28 07:51:44880 active_entry->SetHttpStatusCode(params.http_status_code);
[email protected]691aa2f2013-05-28 22:52:04881 active_entry->SetPageState(params.page_state);
[email protected]c1982ff2014-04-23 03:37:21882 active_entry->SetRedirectChain(params.redirects);
[email protected]132e281a2012-07-31 18:32:44883
[email protected]d6def3d2014-05-19 18:55:32884 // Use histogram to track memory impact of redirect chain because it's now
885 // not cleared for committed entries.
886 size_t redirect_chain_size = 0;
887 for (size_t i = 0; i < params.redirects.size(); ++i) {
888 redirect_chain_size += params.redirects[i].spec().length();
889 }
890 UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size);
891
[email protected]97d8f0d2013-10-29 16:49:21892 // Once it is committed, we no longer need to track several pieces of state on
893 // the entry.
894 active_entry->ResetForCommit();
[email protected]60d6cca2013-04-30 08:47:13895
[email protected]49bd30e62011-03-22 20:12:59896 // The active entry's SiteInstance should match our SiteInstance.
[email protected]a1b99262013-12-27 21:56:22897 // TODO(creis): This check won't pass for subframes until we create entries
898 // for subframe navigations.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35899 if (ui::PageTransitionIsMainFrame(params.transition))
[email protected]27dd82fd2014-03-03 22:11:43900 CHECK(active_entry->site_instance() == rfh->GetSiteInstance());
[email protected]49bd30e62011-03-22 20:12:59901
[email protected]b26de072013-02-23 02:33:44902 // Remember the bindings the renderer process has at this point, so that
903 // we do not grant this entry additional bindings if we come back to it.
creis3da03872015-02-20 21:12:32904 active_entry->SetBindings(rfh->GetEnabledBindings());
[email protected]b26de072013-02-23 02:33:44905
[email protected]e9ba4472008-09-14 15:42:43906 // Now prep the rest of the details for the notification and broadcast.
[email protected]0f38dc4552011-02-25 11:24:00907 details->entry = active_entry;
[email protected]2905f742011-10-13 03:51:58908 details->is_main_frame =
Sylvain Defresnec6ccc77d2014-09-19 10:19:35909 ui::PageTransitionIsMainFrame(params.transition);
[email protected]f072d2ce2008-09-17 17:16:24910 details->serialized_security_info = params.security_info;
[email protected]2e39d2e2009-02-19 18:41:31911 details->http_status_code = params.http_status_code;
[email protected]93f230e02011-06-01 14:40:00912 NotifyNavigationEntryCommitted(details);
initial.commit09911bf2008-07-26 23:55:29913
[email protected]e9ba4472008-09-14 15:42:43914 return true;
initial.commit09911bf2008-07-26 23:55:29915}
916
[email protected]8ff00d72012-10-23 19:12:21917NavigationType NavigationControllerImpl::ClassifyNavigation(
creis3da03872015-02-20 21:12:32918 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:22919 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const {
[email protected]e9ba4472008-09-14 15:42:43920 if (params.page_id == -1) {
avif9c055732015-04-15 22:05:55921 // TODO(nasko, creis): An out-of-process child frame has no way of knowing
922 // the page_id of its parent, so it is passing back -1. The semantics here
923 // should be re-evaluated during session history refactor (see
924 // http://crbug.com/236848 and in particular http://crbug.com/464014). For
925 // now, we assume this means the child frame loaded and proceed. Note that
926 // this may do the wrong thing for cross-process AUTO_SUBFRAME navigations.
[email protected]82307f6b2014-08-07 03:30:12927 if (rfh->IsCrossProcessSubframe())
928 return NAVIGATION_TYPE_NEW_SUBFRAME;
929
[email protected]eef9de32009-09-23 17:19:46930 // The renderer generates the page IDs, and so if it gives us the invalid
931 // page ID (-1) we know it didn't actually navigate. This happens in a few
932 // cases:
933 //
934 // - If a page makes a popup navigated to about blank, and then writes
935 // stuff like a subframe navigated to a real page. We'll get the commit
936 // for the subframe, but there won't be any commit for the outer page.
937 //
938 // - We were also getting these for failed loads (for example, bug 21849).
939 // The guess is that we get a "load commit" for the alternate error page,
940 // but that doesn't affect the page ID, so we get the "old" one, which
941 // could be invalid. This can also happen for a cross-site transition
942 // that causes us to swap processes. Then the error page load will be in
943 // a new process with no page IDs ever assigned (and hence a -1 value),
944 // yet the navigation controller still might have previous pages in its
945 // list.
946 //
947 // In these cases, there's nothing we can do with them, so ignore.
[email protected]8ff00d72012-10-23 19:12:21948 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:43949 }
950
[email protected]a1b99262013-12-27 21:56:22951 if (params.page_id > delegate_->GetMaxPageIDForSiteInstance(
[email protected]27dd82fd2014-03-03 22:11:43952 rfh->GetSiteInstance())) {
[email protected]e9ba4472008-09-14 15:42:43953 // Greater page IDs than we've ever seen before are new pages. We may or may
954 // not have a pending entry for the page, and this may or may not be the
955 // main frame.
Sylvain Defresnec6ccc77d2014-09-19 10:19:35956 if (ui::PageTransitionIsMainFrame(params.transition))
[email protected]8ff00d72012-10-23 19:12:21957 return NAVIGATION_TYPE_NEW_PAGE;
[email protected]4c27ba82008-09-24 16:49:09958
959 // When this is a new subframe navigation, we should have a committed page
960 // for which it's a suframe in. This may not be the case when an iframe is
961 // navigated on a popup navigated to about:blank (the iframe would be
962 // written into the popup by script on the main page). For these cases,
963 // there isn't any navigation stuff we can do, so just ignore it.
964 if (!GetLastCommittedEntry())
[email protected]8ff00d72012-10-23 19:12:21965 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]4c27ba82008-09-24 16:49:09966
967 // Valid subframe navigation.
[email protected]8ff00d72012-10-23 19:12:21968 return NAVIGATION_TYPE_NEW_SUBFRAME;
[email protected]e9ba4472008-09-14 15:42:43969 }
970
[email protected]60d6cca2013-04-30 08:47:13971 // We only clear the session history when navigating to a new page.
972 DCHECK(!params.history_list_was_cleared);
973
[email protected]e9ba4472008-09-14 15:42:43974 // Now we know that the notification is for an existing page. Find that entry.
975 int existing_entry_index = GetEntryIndexWithPageID(
[email protected]27dd82fd2014-03-03 22:11:43976 rfh->GetSiteInstance(),
[email protected]e9ba4472008-09-14 15:42:43977 params.page_id);
978 if (existing_entry_index == -1) {
979 // The page was not found. It could have been pruned because of the limit on
980 // back/forward entries (not likely since we'll usually tell it to navigate
981 // to such entries). It could also mean that the renderer is smoking crack.
982 NOTREACHED();
[email protected]485e8232011-07-24 18:03:46983
984 // Because the unknown entry has committed, we risk showing the wrong URL in
985 // release builds. Instead, we'll kill the renderer process to be safe.
986 LOG(ERROR) << "terminating renderer for bad navigation: " << params.url;
[email protected]e6e30ac2014-01-13 21:24:39987 RecordAction(base::UserMetricsAction("BadMessageTerminate_NC"));
[email protected]b69934e2011-10-29 02:51:52988
[email protected]7ec6f382011-11-11 01:28:17989 // Temporary code so we can get more information. Format:
[email protected]8c380582011-12-02 03:16:10990 // http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2
991 std::string temp = params.url.spec();
[email protected]7ec6f382011-11-11 01:28:17992 temp.append("#page");
[email protected]b69934e2011-10-29 02:51:52993 temp.append(base::IntToString(params.page_id));
[email protected]7ec6f382011-11-11 01:28:17994 temp.append("#max");
[email protected]ec6c05f2013-10-23 18:41:57995 temp.append(base::IntToString(delegate_->GetMaxPageID()));
[email protected]7ec6f382011-11-11 01:28:17996 temp.append("#frame");
[email protected]27dd82fd2014-03-03 22:11:43997 temp.append(base::IntToString(rfh->GetRoutingID()));
[email protected]7ec6f382011-11-11 01:28:17998 temp.append("#ids");
999 for (int i = 0; i < static_cast<int>(entries_.size()); ++i) {
[email protected]8c380582011-12-02 03:16:101000 // Append entry metadata (e.g., 3_7x):
1001 // 3: page_id
1002 // 7: SiteInstance ID, or N for null
1003 // x: appended if not from the current SiteInstance
[email protected]36fc0392011-12-25 03:59:511004 temp.append(base::IntToString(entries_[i]->GetPageID()));
[email protected]8c380582011-12-02 03:16:101005 temp.append("_");
1006 if (entries_[i]->site_instance())
[email protected]b6583592012-01-25 19:52:331007 temp.append(base::IntToString(entries_[i]->site_instance()->GetId()));
[email protected]7ec6f382011-11-11 01:28:171008 else
[email protected]8c380582011-12-02 03:16:101009 temp.append("N");
[email protected]27dd82fd2014-03-03 22:11:431010 if (entries_[i]->site_instance() != rfh->GetSiteInstance())
[email protected]7ec6f382011-11-11 01:28:171011 temp.append("x");
1012 temp.append(",");
[email protected]b69934e2011-10-29 02:51:521013 }
1014 GURL url(temp);
creis3da03872015-02-20 21:12:321015 rfh->render_view_host()->Send(new ViewMsg_TempCrashWithData(url));
[email protected]8ff00d72012-10-23 19:12:211016 return NAVIGATION_TYPE_NAV_IGNORE;
[email protected]e9ba4472008-09-14 15:42:431017 }
[email protected]10f417c52011-12-28 21:04:231018 NavigationEntryImpl* existing_entry = entries_[existing_entry_index].get();
[email protected]e9ba4472008-09-14 15:42:431019
Sylvain Defresnec6ccc77d2014-09-19 10:19:351020 if (!ui::PageTransitionIsMainFrame(params.transition)) {
[email protected]e6035c22010-05-25 16:15:521021 // All manual subframes would get new IDs and were handled above, so we
1022 // know this is auto. Since the current page was found in the navigation
1023 // entry list, we're guaranteed to have a last committed entry.
1024 DCHECK(GetLastCommittedEntry());
[email protected]8ff00d72012-10-23 19:12:211025 return NAVIGATION_TYPE_AUTO_SUBFRAME;
[email protected]e6035c22010-05-25 16:15:521026 }
1027
1028 // Anything below here we know is a main frame navigation.
[email protected]e9ba4472008-09-14 15:42:431029 if (pending_entry_ &&
[email protected]59167c22013-06-03 18:07:321030 !pending_entry_->is_renderer_initiated() &&
[email protected]e9ba4472008-09-14 15:42:431031 existing_entry != pending_entry_ &&
[email protected]36fc0392011-12-25 03:59:511032 pending_entry_->GetPageID() == -1 &&
[email protected]230c0012011-04-08 16:27:241033 existing_entry == GetLastCommittedEntry()) {
avif9c055732015-04-15 22:05:551034 const std::vector<GURL>& existing_redirect_chain =
1035 existing_entry->GetRedirectChain();
1036
1037 if (existing_entry->GetURL() == pending_entry_->GetURL() ||
1038 (existing_redirect_chain.size() &&
1039 existing_redirect_chain[0] == pending_entry_->GetURL())) {
1040 // In this case, we have a pending entry for a URL but WebCore didn't do a
1041 // new navigation. This happens when you press enter in the URL bar to
1042 // reload. We will create a pending entry, but WebKit will convert it to
1043 // a reload since it's the same page and not create a new entry for it
1044 // (the user doesn't want to have a new back/forward entry when they do
1045 // this). If this matches the last committed entry, we want to just ignore
1046 // the pending entry and go back to where we were (the "existing entry").
1047 return NAVIGATION_TYPE_SAME_PAGE;
1048 }
[email protected]e9ba4472008-09-14 15:42:431049 }
1050
[email protected]fc60f222008-12-18 17:36:541051 // Any toplevel navigations with the same base (minus the reference fragment)
1052 // are in-page navigations. We weeded out subframe navigations above. Most of
1053 // the time this doesn't matter since WebKit doesn't tell us about subframe
1054 // navigations that don't actually navigate, but it can happen when there is
1055 // an encoding override (it always sends a navigation request).
[email protected]4ac5fbe2012-09-01 02:19:591056 if (AreURLsInPageNavigation(existing_entry->GetURL(), params.url,
[email protected]5cfbddc2014-06-23 23:52:231057 params.was_within_same_page, rfh)) {
[email protected]8ff00d72012-10-23 19:12:211058 return NAVIGATION_TYPE_IN_PAGE;
[email protected]4ac5fbe2012-09-01 02:19:591059 }
[email protected]fc60f222008-12-18 17:36:541060
[email protected]e9ba4472008-09-14 15:42:431061 // Since we weeded out "new" navigations above, we know this is an existing
[email protected]4c27ba82008-09-24 16:49:091062 // (back/forward) navigation.
[email protected]8ff00d72012-10-23 19:12:211063 return NAVIGATION_TYPE_EXISTING_PAGE;
[email protected]e9ba4472008-09-14 15:42:431064}
1065
[email protected]d202a7c2012-01-04 07:53:471066void NavigationControllerImpl::RendererDidNavigateToNewPage(
creis3da03872015-02-20 21:12:321067 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221068 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221069 bool replace_entry) {
[email protected]10f417c52011-12-28 21:04:231070 NavigationEntryImpl* new_entry;
[email protected]f1eb87a2011-05-06 17:49:411071 bool update_virtual_url;
[email protected]6dd86ab2013-02-27 00:30:341072 // Only make a copy of the pending entry if it is appropriate for the new page
1073 // that was just loaded. We verify this at a coarse grain by checking that
1074 // the SiteInstance hasn't been assigned to something else.
1075 if (pending_entry_ &&
1076 (!pending_entry_->site_instance() ||
[email protected]27dd82fd2014-03-03 22:11:431077 pending_entry_->site_instance() == rfh->GetSiteInstance())) {
creisef4a0cb2015-03-12 19:14:351078 new_entry = pending_entry_->Clone();
[email protected]e9ba4472008-09-14 15:42:431079
[email protected]f1eb87a2011-05-06 17:49:411080 update_virtual_url = new_entry->update_virtual_url_with_url();
[email protected]e9ba4472008-09-14 15:42:431081 } else {
[email protected]10f417c52011-12-28 21:04:231082 new_entry = new NavigationEntryImpl;
[email protected]f8f93eb2012-09-25 03:06:241083
1084 // Find out whether the new entry needs to update its virtual URL on URL
1085 // change and set up the entry accordingly. This is needed to correctly
1086 // update the virtual URL when replaceState is called after a pushState.
1087 GURL url = params.url;
1088 bool needs_update = false;
[email protected]47752982014-07-29 08:01:431089 BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary(
1090 &url, browser_context_, &needs_update);
[email protected]f8f93eb2012-09-25 03:06:241091 new_entry->set_update_virtual_url_with_url(needs_update);
1092
[email protected]f1eb87a2011-05-06 17:49:411093 // When navigating to a new page, give the browser URL handler a chance to
1094 // update the virtual URL based on the new URL. For example, this is needed
1095 // to show chrome://bookmarks/#1 when the bookmarks webui extension changes
1096 // the URL.
[email protected]f8f93eb2012-09-25 03:06:241097 update_virtual_url = needs_update;
[email protected]e9ba4472008-09-14 15:42:431098 }
1099
wjmaclean7431bb22015-02-19 14:53:431100 // Don't use the page type from the pending entry. Some interstitial page
1101 // may have set the type to interstitial. Once we commit, however, the page
1102 // type must always be normal or error.
1103 new_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1104 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041105 new_entry->SetURL(params.url);
[email protected]f1eb87a2011-05-06 17:49:411106 if (update_virtual_url)
[email protected]38178a42009-12-17 18:58:321107 UpdateVirtualURLToURL(new_entry, params.url);
[email protected]022af742011-12-28 18:37:251108 new_entry->SetReferrer(params.referrer);
[email protected]36fc0392011-12-25 03:59:511109 new_entry->SetPageID(params.page_id);
[email protected]022af742011-12-28 18:37:251110 new_entry->SetTransitionType(params.transition);
[email protected]b6583592012-01-25 19:52:331111 new_entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431112 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]36fc0392011-12-25 03:59:511113 new_entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051114 new_entry->SetPostID(params.post_id);
[email protected]7c16976c2012-08-04 02:38:231115 new_entry->SetOriginalRequestURL(params.original_request_url);
[email protected]bf70edce2012-06-20 22:32:221116 new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent);
[email protected]e9ba4472008-09-14 15:42:431117
[email protected]ff64b3e2014-05-31 04:07:331118 // history.pushState() is classified as a navigation to a new page, but
1119 // sets was_within_same_page to true. In this case, we already have the
[email protected]3a868f212014-08-09 10:41:191120 // title and favicon available, so set them immediately.
1121 if (params.was_within_same_page && GetLastCommittedEntry()) {
[email protected]ff64b3e2014-05-31 04:07:331122 new_entry->SetTitle(GetLastCommittedEntry()->GetTitle());
[email protected]3a868f212014-08-09 10:41:191123 new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon();
1124 }
[email protected]ff64b3e2014-05-31 04:07:331125
[email protected]60d6cca2013-04-30 08:47:131126 DCHECK(!params.history_list_was_cleared || !replace_entry);
1127 // The browser requested to clear the session history when it initiated the
1128 // navigation. Now we know that the renderer has updated its state accordingly
1129 // and it is safe to also clear the browser side history.
1130 if (params.history_list_was_cleared) {
1131 DiscardNonCommittedEntriesInternal();
1132 entries_.clear();
1133 last_committed_entry_index_ = -1;
1134 }
1135
[email protected]4ac5fbe2012-09-01 02:19:591136 InsertOrReplaceEntry(new_entry, replace_entry);
[email protected]e9ba4472008-09-14 15:42:431137}
1138
[email protected]d202a7c2012-01-04 07:53:471139void NavigationControllerImpl::RendererDidNavigateToExistingPage(
creis3da03872015-02-20 21:12:321140 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221141 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431142 // We should only get here for main frame navigations.
Sylvain Defresnec6ccc77d2014-09-19 10:19:351143 DCHECK(ui::PageTransitionIsMainFrame(params.transition));
[email protected]e9ba4472008-09-14 15:42:431144
1145 // This is a back/forward navigation. The existing page for the ID is
[email protected]4c27ba82008-09-24 16:49:091146 // guaranteed to exist by ClassifyNavigation, and we just need to update it
1147 // with new information from the renderer.
[email protected]27dd82fd2014-03-03 22:11:431148 int entry_index = GetEntryIndexWithPageID(rfh->GetSiteInstance(),
[email protected]7f0005a2009-04-15 03:25:111149 params.page_id);
[email protected]e9ba4472008-09-14 15:42:431150 DCHECK(entry_index >= 0 &&
1151 entry_index < static_cast<int>(entries_.size()));
[email protected]10f417c52011-12-28 21:04:231152 NavigationEntryImpl* entry = entries_[entry_index].get();
[email protected]e9ba4472008-09-14 15:42:431153
[email protected]5ccd4dc2012-10-24 02:28:141154 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431155 entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1156 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041157 entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201158 entry->SetReferrer(params.referrer);
[email protected]38178a42009-12-17 18:58:321159 if (entry->update_virtual_url_with_url())
1160 UpdateVirtualURLToURL(entry, params.url);
[email protected]5ccd4dc2012-10-24 02:28:141161
1162 // The redirected to page should not inherit the favicon from the previous
1163 // page.
Sylvain Defresnec6ccc77d2014-09-19 10:19:351164 if (ui::PageTransitionIsRedirect(params.transition))
[email protected]91a4ff82012-10-29 20:29:481165 entry->GetFavicon() = FaviconStatus();
[email protected]5ccd4dc2012-10-24 02:28:141166
1167 // The site instance will normally be the same except during session restore,
1168 // when no site instance will be assigned.
[email protected]e9ba4472008-09-14 15:42:431169 DCHECK(entry->site_instance() == NULL ||
[email protected]27dd82fd2014-03-03 22:11:431170 entry->site_instance() == rfh->GetSiteInstance());
[email protected]b6583592012-01-25 19:52:331171 entry->set_site_instance(
[email protected]27dd82fd2014-03-03 22:11:431172 static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance()));
[email protected]e9ba4472008-09-14 15:42:431173
[email protected]36fc0392011-12-25 03:59:511174 entry->SetHasPostData(params.is_post);
[email protected]86cd9472012-02-03 19:51:051175 entry->SetPostID(params.post_id);
[email protected]d5a49e52010-01-08 03:01:411176
[email protected]e9ba4472008-09-14 15:42:431177 // The entry we found in the list might be pending if the user hit
1178 // back/forward/reload. This load should commit it (since it's already in the
[email protected]49bd30e62011-03-22 20:12:591179 // list, we can just discard the pending pointer). We should also discard the
1180 // pending entry if it corresponds to a different navigation, since that one
1181 // is now likely canceled. If it is not canceled, we will treat it as a new
1182 // navigation when it arrives, which is also ok.
[email protected]e9ba4472008-09-14 15:42:431183 //
1184 // Note that we need to use the "internal" version since we don't want to
1185 // actually change any other state, just kill the pointer.
[email protected]6eebaab2012-11-15 04:39:491186 DiscardNonCommittedEntriesInternal();
[email protected]40bcc302009-03-02 20:50:391187
[email protected]80858db52009-10-15 00:35:181188 // If a transient entry was removed, the indices might have changed, so we
1189 // have to query the entry index again.
1190 last_committed_entry_index_ =
[email protected]27dd82fd2014-03-03 22:11:431191 GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431192}
1193
[email protected]d202a7c2012-01-04 07:53:471194void NavigationControllerImpl::RendererDidNavigateToSamePage(
creis3da03872015-02-20 21:12:321195 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221196 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
[email protected]e9ba4472008-09-14 15:42:431197 // This mode implies we have a pending entry that's the same as an existing
[email protected]4c27ba82008-09-24 16:49:091198 // entry for this page ID. This entry is guaranteed to exist by
1199 // ClassifyNavigation. All we need to do is update the existing entry.
[email protected]10f417c52011-12-28 21:04:231200 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431201 rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431202
1203 // We assign the entry's unique ID to be that of the new one. Since this is
1204 // always the result of a user action, we want to dismiss infobars, etc. like
1205 // a regular user-initiated navigation.
[email protected]36fc0392011-12-25 03:59:511206 existing_entry->set_unique_id(pending_entry_->GetUniqueID());
[email protected]e9ba4472008-09-14 15:42:431207
[email protected]a0e69262009-06-03 19:08:481208 // The URL may have changed due to redirects.
wjmaclean7431bb22015-02-19 14:53:431209 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1210 : PAGE_TYPE_NORMAL);
[email protected]38178a42009-12-17 18:58:321211 if (existing_entry->update_virtual_url_with_url())
1212 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ad23a092011-12-28 07:02:041213 existing_entry->SetURL(params.url);
[email protected]25cd5f12014-01-10 11:02:201214 existing_entry->SetReferrer(params.referrer);
[email protected]a0e69262009-06-03 19:08:481215
[email protected]b77686522013-12-11 20:34:191216 // The page may have been requested with a different HTTP method.
1217 existing_entry->SetHasPostData(params.is_post);
1218 existing_entry->SetPostID(params.post_id);
1219
[email protected]cbab76d2008-10-13 22:42:471220 DiscardNonCommittedEntries();
[email protected]e9ba4472008-09-14 15:42:431221}
1222
[email protected]d202a7c2012-01-04 07:53:471223void NavigationControllerImpl::RendererDidNavigateInPage(
creis3da03872015-02-20 21:12:321224 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221225 const FrameHostMsg_DidCommitProvisionalLoad_Params& params,
[email protected]a1b99262013-12-27 21:56:221226 bool* did_replace_entry) {
Sylvain Defresnec6ccc77d2014-09-19 10:19:351227 DCHECK(ui::PageTransitionIsMainFrame(params.transition)) <<
[email protected]e9ba4472008-09-14 15:42:431228 "WebKit should only tell us about in-page navs for the main frame.";
1229 // We're guaranteed to have an entry for this one.
[email protected]10f417c52011-12-28 21:04:231230 NavigationEntryImpl* existing_entry = GetEntryWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431231 rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431232
1233 // Reference fragment navigation. We're guaranteed to have the last_committed
1234 // entry and it will be the same page as the new navigation (minus the
[email protected]d466b8a2011-07-15 21:48:031235 // reference fragments, of course). We'll update the URL of the existing
1236 // entry without pruning the forward history.
wjmaclean7431bb22015-02-19 14:53:431237 existing_entry->set_page_type(params.url_is_unreachable ? PAGE_TYPE_ERROR
1238 : PAGE_TYPE_NORMAL);
[email protected]ad23a092011-12-28 07:02:041239 existing_entry->SetURL(params.url);
[email protected]d466b8a2011-07-15 21:48:031240 if (existing_entry->update_virtual_url_with_url())
1241 UpdateVirtualURLToURL(existing_entry, params.url);
[email protected]ccbe04e2010-03-17 17:58:431242
[email protected]12cef652014-05-31 22:25:151243 existing_entry->SetHasPostData(params.is_post);
1244 existing_entry->SetPostID(params.post_id);
1245
[email protected]ccbe04e2010-03-17 17:58:431246 // This replaces the existing entry since the page ID didn't change.
1247 *did_replace_entry = true;
[email protected]d466b8a2011-07-15 21:48:031248
[email protected]6eebaab2012-11-15 04:39:491249 DiscardNonCommittedEntriesInternal();
[email protected]d466b8a2011-07-15 21:48:031250
1251 // If a transient entry was removed, the indices might have changed, so we
1252 // have to query the entry index again.
1253 last_committed_entry_index_ =
[email protected]27dd82fd2014-03-03 22:11:431254 GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id);
[email protected]e9ba4472008-09-14 15:42:431255}
1256
[email protected]d202a7c2012-01-04 07:53:471257void NavigationControllerImpl::RendererDidNavigateNewSubframe(
creis3da03872015-02-20 21:12:321258 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221259 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291260 if (!ui::PageTransitionCoreTypeIs(params.transition,
1261 ui::PAGE_TRANSITION_MANUAL_SUBFRAME)) {
1262 // There was a comment here that said, "This is not user-initiated. Ignore."
1263 // But this makes no sense; non-user-initiated navigations should be
1264 // determined to be of type NAVIGATION_TYPE_AUTO_SUBFRAME and sent to
1265 // RendererDidNavigateAutoSubframe below.
1266 //
1267 // This if clause dates back to https://codereview.chromium.org/115919 and
1268 // the handling of immediate redirects. TODO(avi): Is this still valid? I'm
1269 // pretty sure that's there's nothing left of that code and that we should
1270 // take this out.
1271 //
1272 // Except for cross-process iframes; this doesn't work yet for them.
1273 if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
1274 switches::kSitePerProcess)) {
1275 NOTREACHED();
1276 }
1277
[email protected]f233e4232013-02-23 00:55:141278 DiscardNonCommittedEntriesInternal();
[email protected]09b8f82f2009-06-16 20:22:111279 return;
1280 }
[email protected]09b8f82f2009-06-16 20:22:111281
[email protected]e9ba4472008-09-14 15:42:431282 // Manual subframe navigations just get the current entry cloned so the user
1283 // can go back or forward to it. The actual subframe information will be
1284 // stored in the page state for each of those entries. This happens out of
1285 // band with the actual navigations.
[email protected]4c27ba82008-09-24 16:49:091286 DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee "
1287 << "that a last committed entry exists.";
creisef4a0cb2015-03-12 19:14:351288 NavigationEntryImpl* new_entry = GetLastCommittedEntry()->Clone();
[email protected]36fc0392011-12-25 03:59:511289 new_entry->SetPageID(params.page_id);
[email protected]672eba292009-05-13 13:22:451290 InsertOrReplaceEntry(new_entry, false);
[email protected]e9ba4472008-09-14 15:42:431291}
1292
[email protected]d202a7c2012-01-04 07:53:471293bool NavigationControllerImpl::RendererDidNavigateAutoSubframe(
creis3da03872015-02-20 21:12:321294 RenderFrameHostImpl* rfh,
[email protected]37567b432014-02-12 01:12:221295 const FrameHostMsg_DidCommitProvisionalLoad_Params& params) {
avi9f07a0c2015-02-18 22:51:291296 DCHECK(ui::PageTransitionCoreTypeIs(params.transition,
1297 ui::PAGE_TRANSITION_AUTO_SUBFRAME));
1298
[email protected]e9ba4472008-09-14 15:42:431299 // We're guaranteed to have a previously committed entry, and we now need to
1300 // handle navigation inside of a subframe in it without creating a new entry.
1301 DCHECK(GetLastCommittedEntry());
1302
1303 // Handle the case where we're navigating back/forward to a previous subframe
1304 // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the
1305 // header file. In case "1." this will be a NOP.
1306 int entry_index = GetEntryIndexWithPageID(
[email protected]27dd82fd2014-03-03 22:11:431307 rfh->GetSiteInstance(),
[email protected]e9ba4472008-09-14 15:42:431308 params.page_id);
1309 if (entry_index < 0 ||
1310 entry_index >= static_cast<int>(entries_.size())) {
1311 NOTREACHED();
1312 return false;
1313 }
1314
1315 // Update the current navigation entry in case we're going back/forward.
1316 if (entry_index != last_committed_entry_index_) {
[email protected]e9ba4472008-09-14 15:42:431317 last_committed_entry_index_ = entry_index;
[email protected]f233e4232013-02-23 00:55:141318 DiscardNonCommittedEntriesInternal();
[email protected]e9ba4472008-09-14 15:42:431319 return true;
1320 }
[email protected]f233e4232013-02-23 00:55:141321
creis625a0c7d2015-03-24 23:17:121322 if (base::CommandLine::ForCurrentProcess()->HasSwitch(
1323 switches::kSitePerProcess)) {
1324 // This may be a "new auto" case where we add a new FrameNavigationEntry, or
1325 // it may be a "history auto" case where we update an existing one.
vishal.b782eb5d2015-04-29 12:22:571326 int frame_tree_node_id = rfh->frame_tree_node()->frame_tree_node_id();
creis625a0c7d2015-03-24 23:17:121327 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
1328 last_committed->AddOrUpdateFrameEntry(frame_tree_node_id,
1329 rfh->GetSiteInstance(),
1330 params.url,
1331 params.referrer);
1332 }
1333
[email protected]f233e4232013-02-23 00:55:141334 // We do not need to discard the pending entry in this case, since we will
1335 // not generate commit notifications for this auto-subframe navigation.
[email protected]e9ba4472008-09-14 15:42:431336 return false;
1337}
1338
[email protected]d202a7c2012-01-04 07:53:471339int NavigationControllerImpl::GetIndexOfEntry(
[email protected]10f417c52011-12-28 21:04:231340 const NavigationEntryImpl* entry) const {
[email protected]765b35502008-08-21 00:51:201341 const NavigationEntries::const_iterator i(std::find(
1342 entries_.begin(),
1343 entries_.end(),
1344 entry));
1345 return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin());
1346}
1347
[email protected]ce760d742012-08-30 22:31:101348bool NavigationControllerImpl::IsURLInPageNavigation(
[email protected]b9d4dfdc2013-08-08 00:25:121349 const GURL& url,
1350 bool renderer_says_in_page,
[email protected]5cfbddc2014-06-23 23:52:231351 RenderFrameHost* rfh) const {
[email protected]10f417c52011-12-28 21:04:231352 NavigationEntry* last_committed = GetLastCommittedEntry();
[email protected]ce760d742012-08-30 22:31:101353 return last_committed && AreURLsInPageNavigation(
[email protected]5cfbddc2014-06-23 23:52:231354 last_committed->GetURL(), url, renderer_says_in_page, rfh);
[email protected]e9ba4472008-09-14 15:42:431355}
1356
[email protected]d202a7c2012-01-04 07:53:471357void NavigationControllerImpl::CopyStateFrom(
[email protected]c5eed492012-01-04 17:07:501358 const NavigationController& temp) {
[email protected]d202a7c2012-01-04 07:53:471359 const NavigationControllerImpl& source =
1360 static_cast<const NavigationControllerImpl&>(temp);
[email protected]ce3fa3c2009-04-20 19:55:571361 // Verify that we look new.
[email protected]a26023822011-12-29 00:23:551362 DCHECK(GetEntryCount() == 0 && !GetPendingEntry());
[email protected]ce3fa3c2009-04-20 19:55:571363
[email protected]a26023822011-12-29 00:23:551364 if (source.GetEntryCount() == 0)
[email protected]ce3fa3c2009-04-20 19:55:571365 return; // Nothing new to do.
1366
1367 needs_reload_ = true;
[email protected]a26023822011-12-29 00:23:551368 InsertEntriesFrom(source, source.GetEntryCount());
[email protected]ce3fa3c2009-04-20 19:55:571369
[email protected]fdac6ade2013-07-20 01:06:301370 for (SessionStorageNamespaceMap::const_iterator it =
1371 source.session_storage_namespace_map_.begin();
1372 it != source.session_storage_namespace_map_.end();
1373 ++it) {
1374 SessionStorageNamespaceImpl* source_namespace =
1375 static_cast<SessionStorageNamespaceImpl*>(it->second.get());
1376 session_storage_namespace_map_[it->first] = source_namespace->Clone();
1377 }
[email protected]4e6419c2010-01-15 04:50:341378
[email protected]2ca1ea662012-10-04 02:26:361379 FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION);
[email protected]91854cd2012-01-10 19:43:571380
1381 // Copy the max page id map from the old tab to the new tab. This ensures
1382 // that new and existing navigations in the tab's current SiteInstances
1383 // are identified properly.
[email protected]ec6c05f2013-10-23 18:41:571384 delegate_->CopyMaxPageIDsFrom(source.delegate()->GetWebContents());
[email protected]ce3fa3c2009-04-20 19:55:571385}
1386
[email protected]d202a7c2012-01-04 07:53:471387void NavigationControllerImpl::CopyStateFromAndPrune(
[email protected]e78a6852013-12-13 08:08:571388 NavigationController* temp,
1389 bool replace_entry) {
[email protected]474f8512013-05-31 22:31:161390 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011391 CHECK(CanPruneAllButLastCommitted());
[email protected]474f8512013-05-31 22:31:161392
[email protected]d202a7c2012-01-04 07:53:471393 NavigationControllerImpl* source =
1394 static_cast<NavigationControllerImpl*>(temp);
[email protected]e1cd5452010-08-26 18:03:251395
avi2b177592014-12-10 02:08:021396 // Remove all the entries leaving the last committed entry.
[email protected]79368982013-11-13 01:11:011397 PruneAllButLastCommittedInternal();
[email protected]e1cd5452010-08-26 18:03:251398
[email protected]474f8512013-05-31 22:31:161399 // We now have one entry, possibly with a new pending entry. Ensure that
1400 // adding the entries from source won't put us over the limit.
1401 DCHECK_EQ(1, GetEntryCount());
[email protected]e78a6852013-12-13 08:08:571402 if (!replace_entry)
1403 source->PruneOldestEntryIfFull();
[email protected]944822b2012-03-02 20:57:251404
[email protected]47e020a2010-10-15 14:43:371405 // Insert the entries from source. Don't use source->GetCurrentEntryIndex as
avi2b177592014-12-10 02:08:021406 // we don't want to copy over the transient entry. Ignore any pending entry,
[email protected]474f8512013-05-31 22:31:161407 // since it has not committed in source.
1408 int max_source_index = source->last_committed_entry_index_;
[email protected]e1cd5452010-08-26 18:03:251409 if (max_source_index == -1)
[email protected]a26023822011-12-29 00:23:551410 max_source_index = source->GetEntryCount();
[email protected]e1cd5452010-08-26 18:03:251411 else
1412 max_source_index++;
[email protected]e78a6852013-12-13 08:08:571413
1414 // Ignore the source's current entry if merging with replacement.
1415 // TODO(davidben): This should preserve entries forward of the current
1416 // too. http://crbug.com/317872
1417 if (replace_entry && max_source_index > 0)
1418 max_source_index--;
1419
[email protected]47e020a2010-10-15 14:43:371420 InsertEntriesFrom(*source, max_source_index);
[email protected]e1cd5452010-08-26 18:03:251421
1422 // Adjust indices such that the last entry and pending are at the end now.
[email protected]a26023822011-12-29 00:23:551423 last_committed_entry_index_ = GetEntryCount() - 1;
[email protected]796931a92011-08-10 01:32:141424
avi2b177592014-12-10 02:08:021425 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1426 GetEntryCount());
[email protected]91854cd2012-01-10 19:43:571427
avi2b177592014-12-10 02:08:021428 // Copy the max page id map from the old tab to the new tab. This ensures that
1429 // new and existing navigations in the tab's current SiteInstances are
1430 // identified properly.
creis3da03872015-02-20 21:12:321431 NavigationEntryImpl* last_committed = GetLastCommittedEntry();
avi2b177592014-12-10 02:08:021432 int32 site_max_page_id =
1433 delegate_->GetMaxPageIDForSiteInstance(last_committed->site_instance());
[email protected]ec6c05f2013-10-23 18:41:571434 delegate_->CopyMaxPageIDsFrom(source->delegate()->GetWebContents());
avi2b177592014-12-10 02:08:021435 delegate_->UpdateMaxPageIDForSiteInstance(last_committed->site_instance(),
1436 site_max_page_id);
[email protected]f69ed362014-04-28 14:01:421437 max_restored_page_id_ = source->max_restored_page_id_;
[email protected]e1cd5452010-08-26 18:03:251438}
1439
[email protected]79368982013-11-13 01:11:011440bool NavigationControllerImpl::CanPruneAllButLastCommitted() {
[email protected]474f8512013-05-31 22:31:161441 // If there is no last committed entry, we cannot prune. Even if there is a
1442 // pending entry, it may not commit, leaving this WebContents blank, despite
1443 // possibly giving it new entries via CopyStateFromAndPrune.
1444 if (last_committed_entry_index_ == -1)
1445 return false;
[email protected]9350602e2013-02-26 23:27:441446
[email protected]474f8512013-05-31 22:31:161447 // We cannot prune if there is a pending entry at an existing entry index.
1448 // It may not commit, so we have to keep the last committed entry, and thus
1449 // there is no sensible place to keep the pending entry. It is ok to have
1450 // a new pending entry, which can optionally commit as a new navigation.
1451 if (pending_entry_index_ != -1)
1452 return false;
1453
1454 // We should not prune if we are currently showing a transient entry.
1455 if (transient_entry_index_ != -1)
1456 return false;
1457
1458 return true;
1459}
1460
[email protected]79368982013-11-13 01:11:011461void NavigationControllerImpl::PruneAllButLastCommitted() {
1462 PruneAllButLastCommittedInternal();
[email protected]474f8512013-05-31 22:31:161463
avi2b177592014-12-10 02:08:021464 DCHECK_EQ(0, last_committed_entry_index_);
1465 DCHECK_EQ(1, GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441466
avi2b177592014-12-10 02:08:021467 delegate_->SetHistoryOffsetAndLength(last_committed_entry_index_,
1468 GetEntryCount());
[email protected]9350602e2013-02-26 23:27:441469}
1470
[email protected]79368982013-11-13 01:11:011471void NavigationControllerImpl::PruneAllButLastCommittedInternal() {
[email protected]474f8512013-05-31 22:31:161472 // It is up to callers to check the invariants before calling this.
[email protected]79368982013-11-13 01:11:011473 CHECK(CanPruneAllButLastCommitted());
[email protected]97b6c4f2010-09-27 19:31:261474
[email protected]474f8512013-05-31 22:31:161475 // Erase all entries but the last committed entry. There may still be a
1476 // new pending entry after this.
1477 entries_.erase(entries_.begin(),
1478 entries_.begin() + last_committed_entry_index_);
1479 entries_.erase(entries_.begin() + 1, entries_.end());
1480 last_committed_entry_index_ = 0;
[email protected]97b6c4f2010-09-27 19:31:261481}
1482
[email protected]15f46dc2013-01-24 05:40:241483void NavigationControllerImpl::ClearAllScreenshots() {
[email protected]1a3f5312013-04-26 21:00:101484 screenshot_manager_->ClearAllScreenshots();
[email protected]15f46dc2013-01-24 05:40:241485}
1486
[email protected]d1198fd2012-08-13 22:50:191487void NavigationControllerImpl::SetSessionStorageNamespace(
[email protected]fdac6ade2013-07-20 01:06:301488 const std::string& partition_id,
[email protected]8ff00d72012-10-23 19:12:211489 SessionStorageNamespace* session_storage_namespace) {
[email protected]d1198fd2012-08-13 22:50:191490 if (!session_storage_namespace)
1491 return;
1492
1493 // We can't overwrite an existing SessionStorage without violating spec.
1494 // Attempts to do so may give a tab access to another tab's session storage
1495 // so die hard on an error.
[email protected]fdac6ade2013-07-20 01:06:301496 bool successful_insert = session_storage_namespace_map_.insert(
1497 make_pair(partition_id,
1498 static_cast<SessionStorageNamespaceImpl*>(
1499 session_storage_namespace)))
1500 .second;
1501 CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace";
[email protected]d1198fd2012-08-13 22:50:191502}
1503
[email protected]d202a7c2012-01-04 07:53:471504void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) {
[email protected]71fde352011-12-29 03:29:561505 max_restored_page_id_ = max_id;
1506}
1507
[email protected]d202a7c2012-01-04 07:53:471508int32 NavigationControllerImpl::GetMaxRestoredPageID() const {
[email protected]71fde352011-12-29 03:29:561509 return max_restored_page_id_;
[email protected]a26023822011-12-29 00:23:551510}
1511
[email protected]aa62afd2014-04-22 19:22:461512bool NavigationControllerImpl::IsUnmodifiedBlankTab() const {
[email protected]aa62afd2014-04-22 19:22:461513 return IsInitialNavigation() &&
[email protected]b4c84012014-04-28 19:51:101514 !GetLastCommittedEntry() &&
1515 !delegate_->HasAccessedInitialDocument();
[email protected]aa62afd2014-04-22 19:22:461516}
1517
[email protected]a26023822011-12-29 00:23:551518SessionStorageNamespace*
[email protected]fdac6ade2013-07-20 01:06:301519NavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) {
1520 std::string partition_id;
1521 if (instance) {
1522 // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove
1523 // this if statement so |instance| must not be NULL.
1524 partition_id =
1525 GetContentClient()->browser()->GetStoragePartitionIdForSite(
1526 browser_context_, instance->GetSiteURL());
1527 }
[email protected]d1198fd2012-08-13 22:50:191528
[email protected]fdac6ade2013-07-20 01:06:301529 SessionStorageNamespaceMap::const_iterator it =
1530 session_storage_namespace_map_.find(partition_id);
1531 if (it != session_storage_namespace_map_.end())
1532 return it->second.get();
1533
1534 // Create one if no one has accessed session storage for this partition yet.
1535 //
1536 // TODO(ajwong): Should this use the |partition_id| directly rather than
1537 // re-lookup via |instance|? http://crbug.com/142685
1538 StoragePartition* partition =
1539 BrowserContext::GetStoragePartition(browser_context_, instance);
1540 SessionStorageNamespaceImpl* session_storage_namespace =
1541 new SessionStorageNamespaceImpl(
[email protected]5f2aa722013-08-07 16:59:411542 static_cast<DOMStorageContextWrapper*>(
[email protected]fdac6ade2013-07-20 01:06:301543 partition->GetDOMStorageContext()));
1544 session_storage_namespace_map_[partition_id] = session_storage_namespace;
1545
1546 return session_storage_namespace;
1547}
1548
1549SessionStorageNamespace*
1550NavigationControllerImpl::GetDefaultSessionStorageNamespace() {
1551 // TODO(ajwong): Remove if statement in GetSessionStorageNamespace().
1552 return GetSessionStorageNamespace(NULL);
1553}
1554
1555const SessionStorageNamespaceMap&
1556NavigationControllerImpl::GetSessionStorageNamespaceMap() const {
1557 return session_storage_namespace_map_;
[email protected]a26023822011-12-29 00:23:551558}
[email protected]d202a7c2012-01-04 07:53:471559
1560bool NavigationControllerImpl::NeedsReload() const {
[email protected]71fde352011-12-29 03:29:561561 return needs_reload_;
1562}
[email protected]a26023822011-12-29 00:23:551563
[email protected]46bb5e9c2013-10-03 22:16:471564void NavigationControllerImpl::SetNeedsReload() {
1565 needs_reload_ = true;
jaekyunc8cefa82015-01-09 20:14:541566
1567 if (last_committed_entry_index_ != -1) {
1568 entries_[last_committed_entry_index_]->SetTransitionType(
1569 ui::PAGE_TRANSITION_RELOAD);
1570 }
[email protected]46bb5e9c2013-10-03 22:16:471571}
1572
[email protected]d202a7c2012-01-04 07:53:471573void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) {
[email protected]a26023822011-12-29 00:23:551574 DCHECK(index < GetEntryCount());
[email protected]6a13a6c2011-12-20 21:47:121575 DCHECK(index != last_committed_entry_index_);
[email protected]43032342011-03-21 14:10:311576
1577 DiscardNonCommittedEntries();
1578
1579 entries_.erase(entries_.begin() + index);
[email protected]6a13a6c2011-12-20 21:47:121580 if (last_committed_entry_index_ > index)
[email protected]43032342011-03-21 14:10:311581 last_committed_entry_index_--;
1582}
1583
[email protected]d202a7c2012-01-04 07:53:471584void NavigationControllerImpl::DiscardNonCommittedEntries() {
[email protected]cbab76d2008-10-13 22:42:471585 bool transient = transient_entry_index_ != -1;
1586 DiscardNonCommittedEntriesInternal();
initial.commit09911bf2008-07-26 23:55:291587
[email protected]cbab76d2008-10-13 22:42:471588 // If there was a transient entry, invalidate everything so the new active
1589 // entry state is shown.
1590 if (transient) {
[email protected]7f924832014-08-09 05:57:221591 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]cbab76d2008-10-13 22:42:471592 }
initial.commit09911bf2008-07-26 23:55:291593}
1594
creis3da03872015-02-20 21:12:321595NavigationEntryImpl* NavigationControllerImpl::GetPendingEntry() const {
[email protected]022af742011-12-28 18:37:251596 return pending_entry_;
1597}
1598
[email protected]d202a7c2012-01-04 07:53:471599int NavigationControllerImpl::GetPendingEntryIndex() const {
[email protected]a26023822011-12-29 00:23:551600 return pending_entry_index_;
1601}
1602
[email protected]d202a7c2012-01-04 07:53:471603void NavigationControllerImpl::InsertOrReplaceEntry(NavigationEntryImpl* entry,
1604 bool replace) {
Sylvain Defresnec6ccc77d2014-09-19 10:19:351605 DCHECK(entry->GetTransitionType() != ui::PAGE_TRANSITION_AUTO_SUBFRAME);
[email protected]765b35502008-08-21 00:51:201606
1607 // Copy the pending entry's unique ID to the committed entry.
1608 // I don't know if pending_entry_index_ can be other than -1 here.
[email protected]10f417c52011-12-28 21:04:231609 const NavigationEntryImpl* const pending_entry =
1610 (pending_entry_index_ == -1) ?
1611 pending_entry_ : entries_[pending_entry_index_].get();
[email protected]765b35502008-08-21 00:51:201612 if (pending_entry)
[email protected]36fc0392011-12-25 03:59:511613 entry->set_unique_id(pending_entry->GetUniqueID());
[email protected]765b35502008-08-21 00:51:201614
[email protected]cbab76d2008-10-13 22:42:471615 DiscardNonCommittedEntriesInternal();
[email protected]765b35502008-08-21 00:51:201616
1617 int current_size = static_cast<int>(entries_.size());
avi6567f302015-02-26 22:55:151618 DCHECK_IMPLIES(replace, current_size > 0);
[email protected]765b35502008-08-21 00:51:201619
[email protected]765b35502008-08-21 00:51:201620 if (current_size > 0) {
[email protected]672eba292009-05-13 13:22:451621 // Prune any entries which are in front of the current entry.
1622 // Also prune the current entry if we are to replace the current entry.
[email protected]47dcbdc2011-05-27 15:08:311623 // last_committed_entry_index_ must be updated here since calls to
1624 // NotifyPrunedEntries() below may re-enter and we must make sure
1625 // last_committed_entry_index_ is not left in an invalid state.
1626 if (replace)
1627 --last_committed_entry_index_;
1628
[email protected]c12bf1a12008-09-17 16:28:491629 int num_pruned = 0;
[email protected]47dcbdc2011-05-27 15:08:311630 while (last_committed_entry_index_ < (current_size - 1)) {
[email protected]c12bf1a12008-09-17 16:28:491631 num_pruned++;
[email protected]765b35502008-08-21 00:51:201632 entries_.pop_back();
1633 current_size--;
1634 }
[email protected]c12bf1a12008-09-17 16:28:491635 if (num_pruned > 0) // Only notify if we did prune something.
1636 NotifyPrunedEntries(this, false, num_pruned);
[email protected]765b35502008-08-21 00:51:201637 }
1638
[email protected]944822b2012-03-02 20:57:251639 PruneOldestEntryIfFull();
[email protected]765b35502008-08-21 00:51:201640
[email protected]10f417c52011-12-28 21:04:231641 entries_.push_back(linked_ptr<NavigationEntryImpl>(entry));
[email protected]765b35502008-08-21 00:51:201642 last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1;
[email protected]e9ba4472008-09-14 15:42:431643
1644 // This is a new page ID, so we need everybody to know about it.
[email protected]ec6c05f2013-10-23 18:41:571645 delegate_->UpdateMaxPageID(entry->GetPageID());
initial.commit09911bf2008-07-26 23:55:291646}
1647
[email protected]944822b2012-03-02 20:57:251648void NavigationControllerImpl::PruneOldestEntryIfFull() {
1649 if (entries_.size() >= max_entry_count()) {
1650 DCHECK_EQ(max_entry_count(), entries_.size());
[email protected]e6fec472013-05-14 05:29:021651 DCHECK_GT(last_committed_entry_index_, 0);
[email protected]944822b2012-03-02 20:57:251652 RemoveEntryAtIndex(0);
1653 NotifyPrunedEntries(this, true, 1);
1654 }
1655}
1656
[email protected]d202a7c2012-01-04 07:53:471657void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
[email protected]72097fd02010-01-21 23:36:011658 needs_reload_ = false;
1659
[email protected]83c2e232011-10-07 21:36:461660 // If we were navigating to a slow-to-commit page, and the user performs
1661 // a session history navigation to the last committed page, RenderViewHost
1662 // will force the throbber to start, but WebKit will essentially ignore the
1663 // navigation, and won't send a message to stop the throbber. To prevent this
1664 // from happening, we drop the navigation here and stop the slow-to-commit
1665 // page from loading (which would normally happen during the navigation).
1666 if (pending_entry_index_ != -1 &&
1667 pending_entry_index_ == last_committed_entry_index_ &&
1668 (entries_[pending_entry_index_]->restore_type() ==
[email protected]10f417c52011-12-28 21:04:231669 NavigationEntryImpl::RESTORE_NONE) &&
[email protected]36fc0392011-12-25 03:59:511670 (entries_[pending_entry_index_]->GetTransitionType() &
Sylvain Defresnec6ccc77d2014-09-19 10:19:351671 ui::PAGE_TRANSITION_FORWARD_BACK)) {
[email protected]ec6c05f2013-10-23 18:41:571672 delegate_->Stop();
[email protected]6a13a6c2011-12-20 21:47:121673
1674 // If an interstitial page is showing, we want to close it to get back
1675 // to what was showing before.
[email protected]ec6c05f2013-10-23 18:41:571676 if (delegate_->GetInterstitialPage())
1677 delegate_->GetInterstitialPage()->DontProceed();
[email protected]6a13a6c2011-12-20 21:47:121678
[email protected]83c2e232011-10-07 21:36:461679 DiscardNonCommittedEntries();
1680 return;
1681 }
1682
[email protected]6a13a6c2011-12-20 21:47:121683 // If an interstitial page is showing, the previous renderer is blocked and
1684 // cannot make new requests. Unblock (and disable) it to allow this
1685 // navigation to succeed. The interstitial will stay visible until the
1686 // resulting DidNavigate.
[email protected]ec6c05f2013-10-23 18:41:571687 if (delegate_->GetInterstitialPage()) {
1688 static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())->
[email protected]cadaec52012-02-08 21:53:131689 CancelForNavigation();
1690 }
[email protected]6a13a6c2011-12-20 21:47:121691
initial.commit09911bf2008-07-26 23:55:291692 // For session history navigations only the pending_entry_index_ is set.
1693 if (!pending_entry_) {
[email protected]4bf3522c2010-08-19 21:00:201694 DCHECK_NE(pending_entry_index_, -1);
[email protected]765b35502008-08-21 00:51:201695 pending_entry_ = entries_[pending_entry_index_].get();
initial.commit09911bf2008-07-26 23:55:291696 }
1697
[email protected]40fd3032014-02-28 22:16:281698 // This call does not support re-entrancy. See http://crbug.com/347742.
1699 CHECK(!in_navigate_to_pending_entry_);
1700 in_navigate_to_pending_entry_ = true;
1701 bool success = delegate_->NavigateToPendingEntry(reload_type);
1702 in_navigate_to_pending_entry_ = false;
1703
1704 if (!success)
[email protected]cbab76d2008-10-13 22:42:471705 DiscardNonCommittedEntries();
[email protected]77362eb2011-08-01 17:18:381706
1707 // If the entry is being restored and doesn't have a SiteInstance yet, fill
1708 // it in now that we know. This allows us to find the entry when it commits.
[email protected]77362eb2011-08-01 17:18:381709 if (pending_entry_ && !pending_entry_->site_instance() &&
[email protected]10f417c52011-12-28 21:04:231710 pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE) {
[email protected]b6583592012-01-25 19:52:331711 pending_entry_->set_site_instance(static_cast<SiteInstanceImpl*>(
[email protected]ec6c05f2013-10-23 18:41:571712 delegate_->GetPendingSiteInstance()));
[email protected]10f417c52011-12-28 21:04:231713 pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE);
[email protected]77362eb2011-08-01 17:18:381714 }
initial.commit09911bf2008-07-26 23:55:291715}
1716
[email protected]d202a7c2012-01-04 07:53:471717void NavigationControllerImpl::NotifyNavigationEntryCommitted(
[email protected]8ff00d72012-10-23 19:12:211718 LoadCommittedDetails* details) {
[email protected]6286a3792013-10-09 04:03:271719 details->entry = GetLastCommittedEntry();
[email protected]df1af242009-05-01 00:11:401720
[email protected]2db9bd72012-04-13 20:20:561721 // We need to notify the ssl_manager_ before the web_contents_ so the
[email protected]df1af242009-05-01 00:11:401722 // location bar will have up-to-date information about the security style
1723 // when it wants to draw. See http://crbug.com/11157
[email protected]b0f724c2013-09-05 04:21:131724 ssl_manager_.DidCommitProvisionalLoad(*details);
[email protected]df1af242009-05-01 00:11:401725
[email protected]7f924832014-08-09 05:57:221726 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]ec6c05f2013-10-23 18:41:571727 delegate_->NotifyNavigationEntryCommitted(*details);
[email protected]cbb1ef592013-06-05 19:49:461728
[email protected]b0f724c2013-09-05 04:21:131729 // TODO(avi): Remove. http://crbug.com/170921
1730 NotificationDetails notification_details =
1731 Details<LoadCommittedDetails>(details);
[email protected]8ff00d72012-10-23 19:12:211732 NotificationService::current()->Notify(
1733 NOTIFICATION_NAV_ENTRY_COMMITTED,
1734 Source<NavigationController>(this),
[email protected]df1af242009-05-01 00:11:401735 notification_details);
initial.commit09911bf2008-07-26 23:55:291736}
1737
initial.commit09911bf2008-07-26 23:55:291738// static
[email protected]d202a7c2012-01-04 07:53:471739size_t NavigationControllerImpl::max_entry_count() {
[email protected]9b51970d2011-12-09 23:10:231740 if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet)
1741 return max_entry_count_for_testing_;
[email protected]8ff00d72012-10-23 19:12:211742 return kMaxSessionHistoryEntries;
[email protected]9b51970d2011-12-09 23:10:231743}
1744
[email protected]d202a7c2012-01-04 07:53:471745void NavigationControllerImpl::SetActive(bool is_active) {
[email protected]ee613922009-09-02 20:38:221746 if (is_active && needs_reload_)
1747 LoadIfNecessary();
initial.commit09911bf2008-07-26 23:55:291748}
1749
[email protected]d202a7c2012-01-04 07:53:471750void NavigationControllerImpl::LoadIfNecessary() {
initial.commit09911bf2008-07-26 23:55:291751 if (!needs_reload_)
1752 return;
1753
initial.commit09911bf2008-07-26 23:55:291754 // Calling Reload() results in ignoring state, and not loading.
1755 // Explicitly use NavigateToPendingEntry so that the renderer uses the
1756 // cached state.
1757 pending_entry_index_ = last_committed_entry_index_;
[email protected]1ccb3568d2010-02-19 10:51:161758 NavigateToPendingEntry(NO_RELOAD);
initial.commit09911bf2008-07-26 23:55:291759}
1760
[email protected]d202a7c2012-01-04 07:53:471761void NavigationControllerImpl::NotifyEntryChanged(const NavigationEntry* entry,
1762 int index) {
[email protected]8ff00d72012-10-23 19:12:211763 EntryChangedDetails det;
[email protected]534e54b2008-08-13 15:40:091764 det.changed_entry = entry;
1765 det.index = index;
[email protected]8ff00d72012-10-23 19:12:211766 NotificationService::current()->Notify(
1767 NOTIFICATION_NAV_ENTRY_CHANGED,
1768 Source<NavigationController>(this),
1769 Details<EntryChangedDetails>(&det));
initial.commit09911bf2008-07-26 23:55:291770}
1771
[email protected]d202a7c2012-01-04 07:53:471772void NavigationControllerImpl::FinishRestore(int selected_index,
[email protected]2ca1ea662012-10-04 02:26:361773 RestoreType type) {
[email protected]a26023822011-12-29 00:23:551774 DCHECK(selected_index >= 0 && selected_index < GetEntryCount());
[email protected]2ca1ea662012-10-04 02:26:361775 ConfigureEntriesForRestore(&entries_, type);
initial.commit09911bf2008-07-26 23:55:291776
[email protected]71fde352011-12-29 03:29:561777 SetMaxRestoredPageID(static_cast<int32>(GetEntryCount()));
initial.commit09911bf2008-07-26 23:55:291778
1779 last_committed_entry_index_ = selected_index;
initial.commit09911bf2008-07-26 23:55:291780}
[email protected]765b35502008-08-21 00:51:201781
[email protected]d202a7c2012-01-04 07:53:471782void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() {
avi45a72532015-04-07 21:01:451783 DiscardPendingEntry(false);
[email protected]b12eb222013-09-10 00:11:481784 DiscardTransientEntry();
1785}
1786
avi45a72532015-04-07 21:01:451787void NavigationControllerImpl::DiscardPendingEntry(bool was_failure) {
[email protected]40fd3032014-02-28 22:16:281788 // It is not safe to call DiscardPendingEntry while NavigateToEntry is in
[email protected]e7fee58a2014-04-11 19:51:401789 // progress, since this will cause a use-after-free. (We only allow this
1790 // when the tab is being destroyed for shutdown, since it won't return to
1791 // NavigateToEntry in that case.) http://crbug.com/347742.
1792 CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed());
[email protected]40fd3032014-02-28 22:16:281793
avi45a72532015-04-07 21:01:451794 if (was_failure && pending_entry_) {
1795 failed_pending_entry_id_ = pending_entry_->GetUniqueID();
1796 failed_pending_entry_should_replace_ =
1797 pending_entry_->should_replace_entry();
1798 } else {
1799 failed_pending_entry_id_ = 0;
1800 }
1801
[email protected]765b35502008-08-21 00:51:201802 if (pending_entry_index_ == -1)
1803 delete pending_entry_;
1804 pending_entry_ = NULL;
1805 pending_entry_index_ = -1;
[email protected]cbab76d2008-10-13 22:42:471806}
1807
[email protected]d202a7c2012-01-04 07:53:471808void NavigationControllerImpl::DiscardTransientEntry() {
[email protected]cbab76d2008-10-13 22:42:471809 if (transient_entry_index_ == -1)
1810 return;
[email protected]a0e69262009-06-03 19:08:481811 entries_.erase(entries_.begin() + transient_entry_index_);
[email protected]80858db52009-10-15 00:35:181812 if (last_committed_entry_index_ > transient_entry_index_)
1813 last_committed_entry_index_--;
[email protected]cbab76d2008-10-13 22:42:471814 transient_entry_index_ = -1;
[email protected]765b35502008-08-21 00:51:201815}
1816
[email protected]d202a7c2012-01-04 07:53:471817int NavigationControllerImpl::GetEntryIndexWithPageID(
[email protected]7f0005a2009-04-15 03:25:111818 SiteInstance* instance, int32 page_id) const {
[email protected]765b35502008-08-21 00:51:201819 for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) {
[email protected]7f0005a2009-04-15 03:25:111820 if ((entries_[i]->site_instance() == instance) &&
[email protected]36fc0392011-12-25 03:59:511821 (entries_[i]->GetPageID() == page_id))
[email protected]765b35502008-08-21 00:51:201822 return i;
1823 }
1824 return -1;
1825}
[email protected]cbab76d2008-10-13 22:42:471826
creis3da03872015-02-20 21:12:321827NavigationEntryImpl* NavigationControllerImpl::GetTransientEntry() const {
[email protected]cbab76d2008-10-13 22:42:471828 if (transient_entry_index_ == -1)
1829 return NULL;
1830 return entries_[transient_entry_index_].get();
1831}
[email protected]e1cd5452010-08-26 18:03:251832
[email protected]0b684262013-02-20 02:18:211833void NavigationControllerImpl::SetTransientEntry(NavigationEntry* entry) {
1834 // Discard any current transient entry, we can only have one at a time.
1835 int index = 0;
1836 if (last_committed_entry_index_ != -1)
1837 index = last_committed_entry_index_ + 1;
1838 DiscardTransientEntry();
1839 entries_.insert(
1840 entries_.begin() + index, linked_ptr<NavigationEntryImpl>(
1841 NavigationEntryImpl::FromNavigationEntry(entry)));
1842 transient_entry_index_ = index;
[email protected]7f924832014-08-09 05:57:221843 delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL);
[email protected]0b684262013-02-20 02:18:211844}
1845
[email protected]d202a7c2012-01-04 07:53:471846void NavigationControllerImpl::InsertEntriesFrom(
1847 const NavigationControllerImpl& source,
[email protected]e1cd5452010-08-26 18:03:251848 int max_index) {
[email protected]a26023822011-12-29 00:23:551849 DCHECK_LE(max_index, source.GetEntryCount());
[email protected]e1cd5452010-08-26 18:03:251850 size_t insert_index = 0;
1851 for (int i = 0; i < max_index; i++) {
creisef4a0cb2015-03-12 19:14:351852 // When cloning a tab, copy all entries except interstitial pages.
1853 if (source.entries_[i].get()->GetPageType() != PAGE_TYPE_INTERSTITIAL) {
1854 // TODO(creis): Once we start sharing FrameNavigationEntries between
1855 // NavigationEntries, it will not be safe to share them with another tab.
1856 // Must have a version of Clone that recreates them.
[email protected]e1cd5452010-08-26 18:03:251857 entries_.insert(entries_.begin() + insert_index++,
[email protected]10f417c52011-12-28 21:04:231858 linked_ptr<NavigationEntryImpl>(
creisef4a0cb2015-03-12 19:14:351859 source.entries_[i]->Clone()));
[email protected]e1cd5452010-08-26 18:03:251860 }
1861 }
1862}
[email protected]c5b88d82012-10-06 17:03:331863
1864void NavigationControllerImpl::SetGetTimestampCallbackForTest(
1865 const base::Callback<base::Time()>& get_timestamp_callback) {
1866 get_timestamp_callback_ = get_timestamp_callback;
1867}
[email protected]8ff00d72012-10-23 19:12:211868
1869} // namespace content