navigation_controller_impl.cc revision cedac228d2dd51db4b79ea1e72c7f249408ee061
11e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 51e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/navigation_controller_impl.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 8cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "base/command_line.h" 97d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "base/debug/trace_event.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 11cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "base/metrics/histogram.h" 12868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_number_conversions.h" // Temporary 13868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_util.h" 14868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 15eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "base/time/time.h" 16cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "cc/base/switches.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/browser_url_handler_impl.h" 18bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch#include "content/browser/dom_storage/dom_storage_context_wrapper.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/dom_storage/session_storage_namespace_impl.h" 201e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/debug_urls.h" 211e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/interstitial_page_impl.h" 221e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/navigation_entry_impl.h" 23f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "content/browser/frame_host/navigation_entry_screenshot_manager.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/site_instance_impl.h" 265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "content/common/frame_messages.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/view_messages.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_context.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/content_browser_client.h" 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/invalidate_type.h" 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/navigation_details.h" 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_service.h" 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_types.h" 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/render_widget_host.h" 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/render_widget_host_view.h" 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/storage_partition.h" 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/user_metrics.h" 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/content_client.h" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/content_constants.h" 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/escape.h" 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/mime_util.h" 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_util.h" 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "skia/ext/platform_canvas.h" 44cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "url/url_constants.h" 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kInvalidateAll = 0xFFFFFFFF; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Invoked when entries have been pruned, or removed. For example, if the 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// current entries are [google, digg, yahoo], with the current entry google, 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// and the user types in cnet, then digg and yahoo are pruned. 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NotifyPrunedEntries(NavigationControllerImpl* nav_controller, 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool from_front, 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int count) { 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrunedDetails details; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details.from_front = from_front; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details.count = count; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_LIST_PRUNED, 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(nav_controller), 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details<PrunedDetails>(&details)); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Ensure the given NavigationEntry has a valid state, so that WebKit does not 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// get confused if we navigate back to it. 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// An empty state is treated as a new navigation by WebKit, which would mean 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// losing the navigation entries and generating a new navigation entry after 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this one. We don't want that. To avoid this we create a valid state which 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// WebKit will not treat as a new navigation. 7390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void SetPageStateIfEmpty(NavigationEntryImpl* entry) { 7490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) if (!entry->GetPageState().IsValid()) 7590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) entry->SetPageState(PageState::CreateFromURL(entry->GetURL())); 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType( 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationController::RestoreType type) { 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (type) { 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NavigationController::RESTORE_CURRENT_SESSION: 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_CURRENT_SESSION; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY: 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NavigationController::RESTORE_LAST_SESSION_CRASHED: 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_CURRENT_SESSION; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Configure all the NavigationEntries in entries for restore. This resets 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the transition type to reload and makes sure the content state isn't empty. 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ConfigureEntriesForRestore( 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<linked_ptr<NavigationEntryImpl> >* entries, 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationController::RestoreType type) { 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < entries->size(); ++i) { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use a transition type of reload so that we don't incorrectly increase 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the typed count. 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*entries)[i]->SetTransitionType(PAGE_TRANSITION_RELOAD); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type)); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE(darin): This code is only needed for backwards compat. 10390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) SetPageStateIfEmpty((*entries)[i].get()); 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// See NavigationController::IsURLInPageNavigation for how this works and why. 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool AreURLsInPageNavigation(const GURL& existing_url, 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& new_url, 110bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch bool renderer_says_in_page, 111bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch NavigationType navigation_type) { 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_url == new_url) 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return renderer_says_in_page; 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!new_url.has_ref()) { 116bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // When going back from the ref URL to the non ref one the navigation type 117bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // is IN_PAGE. 118bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return navigation_type == NAVIGATION_TYPE_IN_PAGE; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1215c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu url::Replacements<char> replacements; 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) replacements.ClearRef(); 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return existing_url.ReplaceComponents(replacements) == 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_url.ReplaceComponents(replacements); 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Determines whether or not we should be carrying over a user agent override 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// between two NavigationEntries. 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool ShouldKeepOverride(const NavigationEntry* last_entry) { 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_entry && last_entry->GetIsOverridingUserAgent(); 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NavigationControllerImpl ---------------------------------------------------- 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const size_t kMaxEntryCountForTestingNotSet = -1; 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)size_t NavigationControllerImpl::max_entry_count_for_testing_ = 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kMaxEntryCountForTestingNotSet; 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 143a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles)// Should Reload check for post data? The default is true, but is set to false 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// when testing. 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static bool g_check_for_repost = true; 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationController::CreateNavigationEntry( 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& url, 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Referrer& referrer, 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransition transition, 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_renderer_initiated, 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& extra_headers, 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context) { 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Allow the browser URL handler to rewrite the URL. This will, for example, 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // remove "view-source:" from the beginning of the URL to get the URL that 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // will actually be loaded. This real URL won't be shown to the user, just 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // used internally. 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL loaded_url(url); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool reverse_on_redirect = false; 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary( 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &loaded_url, browser_context, &reverse_on_redirect); 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = new NavigationEntryImpl( 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NULL, // The site instance for tabs is sent on navigation 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (WebContents::GetSiteInstance). 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) -1, 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) loaded_url, 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) referrer, 170a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::string16(), 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transition, 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_renderer_initiated); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetVirtualURL(url); 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_user_typed_url(url); 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_update_virtual_url_with_url(reverse_on_redirect); 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_extra_headers(extra_headers); 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entry; 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationController::DisablePromptOnRepost() { 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_check_for_repost = false; 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime( 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Time t) { 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If |t| is between the water marks, we're in a run of duplicates 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // or just getting out of it, so increase the high-water mark to get 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a time that probably hasn't been used before and return it. 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (low_water_mark_ <= t && t <= high_water_mark_) { 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) high_water_mark_ += base::TimeDelta::FromMicroseconds(1); 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return high_water_mark_; 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Otherwise, we're clear of the last duplicate run, so reset the 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // water marks. 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) low_water_mark_ = high_water_mark_ = t; 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return t; 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationControllerImpl::NavigationControllerImpl( 2021e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) NavigationControllerDelegate* delegate, 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context) 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : browser_context_(browser_context), 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_(NULL), 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_(-1), 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_(-1), 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transient_entry_index_(-1), 2091e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_(delegate), 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_restored_page_id_(-1), 211c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ssl_manager_(this), 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_(false), 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_initial_navigation_(true), 214a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_navigate_to_pending_entry_(false), 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_(NO_RELOAD), 2162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) get_timestamp_callback_(base::Bind(&base::Time::Now)), 217f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) screenshot_manager_(new NavigationEntryScreenshotManager(this)) { 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(browser_context_); 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationControllerImpl::~NavigationControllerImpl() { 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)WebContents* NavigationControllerImpl::GetWebContents() const { 2261e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) return delegate_->GetWebContents(); 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BrowserContext* NavigationControllerImpl::GetBrowserContext() const { 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return browser_context_; 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetBrowserContext( 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context) { 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_context_ = browser_context; 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::Restore( 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int selected_navigation, 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RestoreType type, 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<NavigationEntry*>* entries) { 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Verify that this controller is unused and that the input is valid. 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetEntryCount() == 0 && !GetPendingEntry()); 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(selected_navigation >= 0 && 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) selected_navigation < static_cast<int>(entries->size())); 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = true; 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < entries->size(); ++i) { 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl::FromNavigationEntry((*entries)[i]); 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.push_back(linked_ptr<NavigationEntryImpl>(entry)); 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries->clear(); 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // And finish the restore. 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FinishRestore(selected_navigation, type); 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::Reload(bool check_for_repost) { 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(check_for_repost, RELOAD); 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) { 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE); 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) { 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL); 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ReloadInternal(bool check_for_repost, 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadType reload_type) { 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) { 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If an interstitial is showing, treat a reload as a navigation to the 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // transient entry's URL. 2744e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl* transient_entry = 2754e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetTransientEntry()); 2764e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (!transient_entry) 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2784e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) LoadURL(transient_entry->GetURL(), 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Referrer(), 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_RELOAD, 2814e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) transient_entry->extra_headers()); 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) NavigationEntryImpl* entry = NULL; 286868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int current_index = -1; 287868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 288868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // If we are reloading the initial navigation, just use the current 289868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // pending entry. Otherwise look up the current entry. 290868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (IsInitialNavigation() && pending_entry_) { 291868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entry = pending_entry_; 292868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // The pending entry might be in entries_ (e.g., after a Clone), so we 293868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // should also update the current_index. 294868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) current_index = pending_entry_index_; 295868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } else { 296868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 297868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) current_index = GetCurrentEntryIndex(); 298868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (current_index != -1) { 299868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entry = NavigationEntryImpl::FromNavigationEntry( 300868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) GetEntryAtIndex(current_index)); 301868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 302868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 303868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we are no where, then we can't reload. TODO(darin): We should add a 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // CanReload method. 306868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!entry) 3075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3094e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (reload_type == NavigationControllerImpl::RELOAD_ORIGINAL_REQUEST_URL && 3104e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) { 3114e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // We may have been redirected when navigating to the current URL. 3124e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // Use the URL the user originally intended to visit, if it's valid and if a 3134e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // POST wasn't involved; the latter case avoids issues with sending data to 3144e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // the wrong page. 3154e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) entry->SetURL(entry->GetOriginalRequestURL()); 3165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) entry->SetReferrer(Referrer()); 3174e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 3184e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (g_check_for_repost && check_for_repost && 320868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entry->GetHasPostData()) { 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The user is asking to reload a page with POST data. Prompt to make sure 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // they really want to do this. If they do, the dialog will call us back 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // with check_for_repost = false. 3241e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyBeforeFormRepostWarningShow(); 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_ = reload_type; 3271e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->ActivateAndShowRepostFormWarningDialog(); 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 329868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!IsInitialNavigation()) 330868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we are reloading an entry that no longer belongs to the current 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // site instance (for example, refreshing a page for just installed app), 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the reload must happen in a new process. 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The new entry must have a new page_id and site instance, so it behaves 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // as new navigation (which happens to clear forward history). 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Tabs that are discarded due to low memory conditions may not have a site 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // instance, and should not be treated as a cross-site reload. 339868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) SiteInstanceImpl* site_instance = entry->site_instance(); 3405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Permit reloading guests without further checks. 341cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool is_isolated_guest = site_instance && site_instance->HasProcess() && 342cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) site_instance->GetProcess()->IsIsolatedGuest(); 343cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!is_isolated_guest && site_instance && 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) site_instance->HasWrongProcessForURL(entry->GetURL())) { 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Create a navigation entry that resembles the current one, but do not 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // copy page id, site instance, content state, or timestamp. 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry( 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CreateNavigationEntry( 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(), 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) false, entry->extra_headers(), browser_context_)); 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Mark the reload type as NO_RELOAD, so navigation will not be considered 3535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a reload in the renderer. 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reload_type = NavigationController::NO_RELOAD; 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) nav_entry->set_should_replace_entry(true); 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = nav_entry; 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 359868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_ = entry; 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = current_index; 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The title of the page being reloaded might have been removed in the 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // meanwhile, so we need to revert to the default title upon reload and 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // invalidate the previously cached title (SetTitle will do both). 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See Chromium issue 96041. 366a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) pending_entry_->SetTitle(base::string16()); 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 368868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_->SetTransitionType(PAGE_TRANSITION_RELOAD); 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(reload_type); 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::CancelPendingReload() { 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(pending_reload_ != NO_RELOAD); 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_ = NO_RELOAD; 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ContinuePendingReload() { 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_reload_ == NO_RELOAD) { 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(false, pending_reload_); 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_ = NO_RELOAD; 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool NavigationControllerImpl::IsInitialNavigation() const { 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return is_initial_navigation_; 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID( 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SiteInstance* instance, int32 page_id) const { 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetEntryIndexWithPageID(instance, page_id); 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (index != -1) ? entries_[index].get() : NULL; 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) { 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When navigating to a new page, we don't know for sure if we will actually 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // end up leaving the current page. The new page load could for example 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // result in a download or a 'no content' response (e.g., a mailto: URL). 403868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) SetPendingEntry(entry); 404868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 405868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 406868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 407868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)void NavigationControllerImpl::SetPendingEntry(NavigationEntryImpl* entry) { 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = entry; 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_ENTRY_PENDING, 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(this), 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details<NavigationEntry>(entry)); 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetActiveEntry() const { 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[transient_entry_index_].get(); 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_) 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_; 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetLastCommittedEntry(); 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetVisibleEntry() const { 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[transient_entry_index_].get(); 427868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // The pending entry is safe to return for new (non-history), browser- 428868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // initiated navigations. Most renderer-initiated navigations should not 429868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // show the pending entry, to prevent URL spoof attacks. 430868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // 431868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We make an exception for renderer-initiated navigations in new tabs, as 432868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // long as no other page has tried to access the initial empty document in 433868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // the new tab. If another page modifies this blank page, a URL spoof is 434868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // possible, so we must stop showing the pending entry. 435868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool safe_to_show_pending = 436868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_ && 437868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Require a new navigation. 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->GetPageID() == -1 && 439868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Require either browser-initiated or an unmodified new tab. 4400529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab()); 441868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 442868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Also allow showing the pending entry for history navigations in a new tab, 443868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // such as Ctrl+Back. In this case, no existing page is visible and no one 444868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // can script the new tab before it commits. 445868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!safe_to_show_pending && 446868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_ && 447868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_->GetPageID() != -1 && 448868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) IsInitialNavigation() && 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !pending_entry_->is_renderer_initiated()) 450868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) safe_to_show_pending = true; 451868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 452868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (safe_to_show_pending) 4535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_; 4545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetLastCommittedEntry(); 4555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetCurrentEntryIndex() const { 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return transient_entry_index_; 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_index_ != -1) 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_index_; 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_committed_entry_index_; 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetLastCommittedEntry() const { 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_committed_entry_index_ == -1) 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[last_committed_entry_index_].get(); 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanViewSource() const { 4721e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) const std::string& mime_type = delegate_->GetContentsMimeType(); 4732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool is_viewable_mime_type = net::IsSupportedNonImageMimeType(mime_type) && 4742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !net::IsSupportedMediaMimeType(mime_type); 4754e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntry* visible_entry = GetVisibleEntry(); 4764e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return visible_entry && !visible_entry->IsViewSourceMode() && 4771e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) is_viewable_mime_type && !delegate_->GetInterstitialPage(); 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetLastCommittedEntryIndex() const { 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_committed_entry_index_; 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetEntryCount() const { 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entries_.size() <= max_entry_count()); 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<int>(entries_.size()); 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetEntryAtIndex( 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index) const { 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_.at(index).get(); 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetEntryAtOffset( 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int offset) const { 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetIndexForOffset(offset); 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index < 0 || index >= GetEntryCount()) 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[index].get(); 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetIndexForOffset(int offset) const { 5042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return GetCurrentEntryIndex() + offset; 5052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NavigationControllerImpl::TakeScreenshot() { 508c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) screenshot_manager_->TakeScreenshot(); 5092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 511c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void NavigationControllerImpl::SetScreenshotManager( 512f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) NavigationEntryScreenshotManager* manager) { 513c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) screenshot_manager_.reset(manager ? manager : 514f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) new NavigationEntryScreenshotManager(this)); 5155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanGoBack() const { 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_.size() > 1 && GetCurrentEntryIndex() > 0; 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanGoForward() const { 5225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetCurrentEntryIndex(); 5235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return index >= 0 && index < (static_cast<int>(entries_.size()) - 1); 5245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanGoToOffset(int offset) const { 5275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetIndexForOffset(offset); 5285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return index >= 0 && index < GetEntryCount(); 5295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoBack() { 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CanGoBack()) { 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Base the navigation on where we are now... 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_index = GetCurrentEntryIndex(); 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = current_index - 1; 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->SetTransitionType( 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransitionFromInt( 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->GetTransitionType() | 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_FORWARD_BACK)); 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoForward() { 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CanGoForward()) { 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool transient = (transient_entry_index_ != -1); 5575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Base the navigation on where we are now... 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_index = GetCurrentEntryIndex(); 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 5625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = current_index; 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there was a transient entry, we removed it making the current index 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the next page. 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!transient) 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_++; 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->SetTransitionType( 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransitionFromInt( 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->GetTransitionType() | 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_FORWARD_BACK)); 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoToIndex(int index) { 5775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index < 0 || index >= static_cast<int>(entries_.size())) { 5785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) { 5835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index == transient_entry_index_) { 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Nothing to do when navigating to the transient. 5855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index > transient_entry_index_) { 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Removing the transient is goint to shift all entries by 1. 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) index--; 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = index; 5965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->SetTransitionType( 5975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransitionFromInt( 5985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->GetTransitionType() | 5995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_FORWARD_BACK)); 6005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoToOffset(int offset) { 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CanGoToOffset(offset)) 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GoToIndex(GetIndexForOffset(offset)); 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 610a3f7b4e666c476898878fa745f637129375cd889Ben Murdochbool NavigationControllerImpl::RemoveEntryAtIndex(int index) { 611a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch if (index == last_committed_entry_index_ || 612a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch index == pending_entry_index_) 613a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch return false; 6145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RemoveEntryAtIndexInternal(index); 616a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch return true; 6175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::UpdateVirtualURLToURL( 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry, const GURL& new_url) { 6215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL new_virtual_url(new_url); 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite( 6235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &new_virtual_url, entry->GetVirtualURL(), browser_context_)) { 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetVirtualURL(new_virtual_url); 6255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadURL( 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& url, 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Referrer& referrer, 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransition transition, 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& extra_headers) { 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadURLParams params(url); 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.referrer = referrer; 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.transition_type = transition; 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.extra_headers = extra_headers; 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadURLWithParams(params); 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) { 6417d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) TRACE_EVENT0("browser", "NavigationControllerImpl::LoadURLWithParams"); 6425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (HandleDebugURL(params.url, params.transition_type)) 6435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Any renderer-side debug URLs or javascript: URLs should be ignored if the 6465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // renderer process is not live, unless it is the initial navigation of the 6475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // tab. 6485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsRendererDebugURL(params.url)) { 6495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(creis): Find the RVH for the correct frame. 6505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!delegate_->GetRenderViewHost()->IsRenderViewLive() && 6515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) !IsInitialNavigation()) 6525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 6535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 6545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Checks based on params.load_type. 6565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (params.load_type) { 6575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DEFAULT: 6585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST: 660010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (!params.url.SchemeIs(url::kHttpScheme) && 661010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) !params.url.SchemeIs(url::kHttpsScheme)) { 6625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED() << "Http post load must use http(s) scheme."; 6635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DATA: 667cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!params.url.SchemeIs(url::kDataScheme)) { 6685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED() << "Data load must use data scheme."; 6695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 6735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 6745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 6765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The user initiated a load, we don't need to reload anymore. 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = false; 6795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool override = false; 6815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (params.override_user_agent) { 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case UA_OVERRIDE_INHERIT: 6835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) override = ShouldKeepOverride(GetLastCommittedEntry()); 6845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case UA_OVERRIDE_TRUE: 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) override = true; 6875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case UA_OVERRIDE_FALSE: 6895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) override = false; 6905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry( 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CreateNavigationEntry( 6985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.url, 6995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.referrer, 7005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.transition_type, 7015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.is_renderer_initiated, 7025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.extra_headers, 7035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_context_)); 704f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (params.frame_tree_node_id != -1) 705f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) entry->set_frame_tree_node_id(params.frame_tree_node_id); 7061e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (params.redirect_chain.size() > 0) 7070529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch entry->SetRedirectChain(params.redirect_chain); 708ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (params.should_replace_current_entry) 7092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entry->set_should_replace_entry(true); 710c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) entry->set_should_clear_history_list(params.should_clear_history_list); 7115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetIsOverridingUserAgent(override); 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_transferred_global_request_id( 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.transferred_global_request_id); 7142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entry->SetFrameToNavigate(params.frame_name); 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (params.load_type) { 7175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DEFAULT: 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST: 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetHasPostData(true); 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetBrowserInitiatedPostData( 722868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) params.browser_initiated_post_data.get()); 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DATA: 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetBaseURLForDataURL(params.base_url_for_data_url); 7265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetVirtualURL(params.virtual_url_for_data_url); 7275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetCanLoadLocalResources(params.can_load_local_resources); 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 7305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadEntry(entry); 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::RendererDidNavigate( 738a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 7395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params, 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadCommittedDetails* details) { 7412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) is_initial_navigation_ = false; 7425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Save the previous state before we clobber it. 7445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (GetLastCommittedEntry()) { 7455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_url = GetLastCommittedEntry()->GetURL(); 7465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_entry_index = GetLastCommittedEntryIndex(); 7475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 7485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_url = GURL(); 7495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_entry_index = -1; 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we have a pending entry at this point, it should have a SiteInstance. 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Restored entries start out with a null SiteInstance, but we should have 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // assigned one in NavigateToPendingEntry. 7555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance()); 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we are doing a cross-site reload, we need to replace the existing 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation entry, not add another entry to the history. This has the side 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // effect of removing forward browsing history, if such existed. 7602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Or if we are doing a cross-site redirect navigation, 7612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we will do a similar thing. 7625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->did_replace_entry = 7632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_entry_ && pending_entry_->should_replace_entry(); 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Do navigation-type specific actions. These will make and commit an entry. 766a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) details->type = ClassifyNavigation(rfh, params); 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 768bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // is_in_page must be computed before the entry gets committed. 769bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch details->is_in_page = IsURLInPageNavigation( 770bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch params.url, params.was_within_same_page, details->type); 771bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 7725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (details->type) { 7735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_NEW_PAGE: 774a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateToNewPage(rfh, params, details->did_replace_entry); 7755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_EXISTING_PAGE: 777a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateToExistingPage(rfh, params); 7785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_SAME_PAGE: 780a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateToSamePage(rfh, params); 7815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_IN_PAGE: 783a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateInPage(rfh, params, &details->did_replace_entry); 7845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_NEW_SUBFRAME: 786a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateNewSubframe(rfh, params); 7875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_AUTO_SUBFRAME: 789a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!RendererDidNavigateAutoSubframe(rfh, params)) 7905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 7915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_NAV_IGNORE: 7935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a pending navigation was in progress, this canceled it. We should 7945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // discard it and make sure it is removed from the URL bar. After that, 7955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // there is nothing we can do with this navigation, so we just return to 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the caller that nothing has happened. 7975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_) { 7985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 7991e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL); 8005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 8025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 8035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 8045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // At this point, we know that the navigation has just completed, so 8075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // record the time. 8085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 8095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(akalin): Use "sane time" as described in 8105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://www.chromium.org/developers/design-documents/sane-time . 8115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Time timestamp = 8125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run()); 8135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DVLOG(1) << "Navigation finished at (smoothed) timestamp " 8145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << timestamp.ToInternalValue(); 8155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We should not have a pending entry anymore. Clear it again in case any 8172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // error cases above forgot to do so. 8182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 8192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // All committed entries should have nonempty content state so WebKit doesn't 8215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // get confused when we go back to them (see the function for details). 82290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) DCHECK(params.page_state.IsValid()); 8235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* active_entry = 8242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()); 8255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) active_entry->SetTimestamp(timestamp); 826424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) active_entry->SetHttpStatusCode(params.http_status_code); 82790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) active_entry->SetPageState(params.page_state); 8280529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch active_entry->SetRedirectChain(params.redirects); 8295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 830cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Use histogram to track memory impact of redirect chain because it's now 831cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // not cleared for committed entries. 832cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) size_t redirect_chain_size = 0; 833cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (size_t i = 0; i < params.redirects.size(); ++i) { 834cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) redirect_chain_size += params.redirects[i].spec().length(); 835cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 836cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size); 837cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 8381e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // Once it is committed, we no longer need to track several pieces of state on 8391e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // the entry. 8401e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) active_entry->ResetForCommit(); 841c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 8425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The active entry's SiteInstance should match our SiteInstance. 8435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(creis): This check won't pass for subframes until we create entries 8445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // for subframe navigations. 8455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (PageTransitionIsMainFrame(params.transition)) 846a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CHECK(active_entry->site_instance() == rfh->GetSiteInstance()); 8472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Remember the bindings the renderer process has at this point, so that 8492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we do not grant this entry additional bindings if we come back to it. 850a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) active_entry->SetBindings( 851a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<RenderFrameHostImpl*>(rfh)->GetEnabledBindings()); 8525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Now prep the rest of the details for the notification and broadcast. 8545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->entry = active_entry; 8555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->is_main_frame = 8565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransitionIsMainFrame(params.transition); 8575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->serialized_security_info = params.security_info; 8585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->http_status_code = params.http_status_code; 8595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotifyNavigationEntryCommitted(details); 8605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 8625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationType NavigationControllerImpl::ClassifyNavigation( 865a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 8665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const { 8675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (params.page_id == -1) { 8685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The renderer generates the page IDs, and so if it gives us the invalid 8695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // page ID (-1) we know it didn't actually navigate. This happens in a few 8705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cases: 8715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 8725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // - If a page makes a popup navigated to about blank, and then writes 8735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // stuff like a subframe navigated to a real page. We'll get the commit 8745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // for the subframe, but there won't be any commit for the outer page. 8755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 8765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // - We were also getting these for failed loads (for example, bug 21849). 8775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The guess is that we get a "load commit" for the alternate error page, 8785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // but that doesn't affect the page ID, so we get the "old" one, which 8795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // could be invalid. This can also happen for a cross-site transition 8805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that causes us to swap processes. Then the error page load will be in 8815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a new process with no page IDs ever assigned (and hence a -1 value), 8825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // yet the navigation controller still might have previous pages in its 8835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // list. 8845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 8855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In these cases, there's nothing we can do with them, so ignore. 8865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NAV_IGNORE; 8875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (params.page_id > delegate_->GetMaxPageIDForSiteInstance( 890a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance())) { 8915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Greater page IDs than we've ever seen before are new pages. We may or may 8925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // not have a pending entry for the page, and this may or may not be the 8935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // main frame. 8945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (PageTransitionIsMainFrame(params.transition)) 8955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NEW_PAGE; 8965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When this is a new subframe navigation, we should have a committed page 8985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // for which it's a suframe in. This may not be the case when an iframe is 8995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigated on a popup navigated to about:blank (the iframe would be 9005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // written into the popup by script on the main page). For these cases, 9015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // there isn't any navigation stuff we can do, so just ignore it. 9025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!GetLastCommittedEntry()) 9035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NAV_IGNORE; 9045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Valid subframe navigation. 9065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NEW_SUBFRAME; 9075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 909c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // We only clear the session history when navigating to a new page. 910c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!params.history_list_was_cleared); 911c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 9125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Now we know that the notification is for an existing page. Find that entry. 9135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int existing_entry_index = GetEntryIndexWithPageID( 914a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), 9155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.page_id); 9165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_entry_index == -1) { 9175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The page was not found. It could have been pruned because of the limit on 9185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // back/forward entries (not likely since we'll usually tell it to navigate 9195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to such entries). It could also mean that the renderer is smoking crack. 9205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 9215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Because the unknown entry has committed, we risk showing the wrong URL in 9235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // release builds. Instead, we'll kill the renderer process to be safe. 9245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "terminating renderer for bad navigation: " << params.url; 9255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordAction(base::UserMetricsAction("BadMessageTerminate_NC")); 9265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Temporary code so we can get more information. Format: 9285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2 9295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string temp = params.url.spec(); 9305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#page"); 9315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(base::IntToString(params.page_id)); 9325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#max"); 9331e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) temp.append(base::IntToString(delegate_->GetMaxPageID())); 9345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#frame"); 935a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) temp.append(base::IntToString(rfh->GetRoutingID())); 9365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#ids"); 9375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < static_cast<int>(entries_.size()); ++i) { 9385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Append entry metadata (e.g., 3_7x): 9395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 3: page_id 9405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 7: SiteInstance ID, or N for null 9415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // x: appended if not from the current SiteInstance 9425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(base::IntToString(entries_[i]->GetPageID())); 9435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("_"); 9445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entries_[i]->site_instance()) 9455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(base::IntToString(entries_[i]->site_instance()->GetId())); 9465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 9475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("N"); 948a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (entries_[i]->site_instance() != rfh->GetSiteInstance()) 9495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("x"); 9505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(","); 9515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL url(temp); 953a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<RenderFrameHostImpl*>(rfh)->render_view_host()->Send( 9545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new ViewMsg_TempCrashWithData(url)); 9555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NAV_IGNORE; 9565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* existing_entry = entries_[existing_entry_index].get(); 9585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!PageTransitionIsMainFrame(params.transition)) { 9605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // All manual subframes would get new IDs and were handled above, so we 9615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // know this is auto. Since the current page was found in the navigation 9625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry list, we're guaranteed to have a last committed entry. 9635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetLastCommittedEntry()); 9645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_AUTO_SUBFRAME; 9655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Anything below here we know is a main frame navigation. 9685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_ && 969868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) !pending_entry_->is_renderer_initiated() && 9705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry != pending_entry_ && 9715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->GetPageID() == -1 && 9725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry == GetLastCommittedEntry()) { 9735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In this case, we have a pending entry for a URL but WebCore didn't do a 9745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // new navigation. This happens when you press enter in the URL bar to 9755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // reload. We will create a pending entry, but WebKit will convert it to 9765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a reload since it's the same page and not create a new entry for it 9775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (the user doesn't want to have a new back/forward entry when they do 9785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // this). If this matches the last committed entry, we want to just ignore 9795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the pending entry and go back to where we were (the "existing entry"). 9805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_SAME_PAGE; 9815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Any toplevel navigations with the same base (minus the reference fragment) 9845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are in-page navigations. We weeded out subframe navigations above. Most of 9855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the time this doesn't matter since WebKit doesn't tell us about subframe 9865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigations that don't actually navigate, but it can happen when there is 9875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an encoding override (it always sends a navigation request). 9885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (AreURLsInPageNavigation(existing_entry->GetURL(), params.url, 989bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch params.was_within_same_page, 990bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch NAVIGATION_TYPE_UNKNOWN)) { 9915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_IN_PAGE; 9925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Since we weeded out "new" navigations above, we know this is an existing 9955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (back/forward) navigation. 9965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_EXISTING_PAGE; 9975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateToNewPage( 1000a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 10015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params, 10025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool replace_entry) { 10035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* new_entry; 10045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool update_virtual_url; 10052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Only make a copy of the pending entry if it is appropriate for the new page 10062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // that was just loaded. We verify this at a coarse grain by checking that 10072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the SiteInstance hasn't been assigned to something else. 10082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (pending_entry_ && 10092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (!pending_entry_->site_instance() || 1010a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) pending_entry_->site_instance() == rfh->GetSiteInstance())) { 10115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry = new NavigationEntryImpl(*pending_entry_); 10125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Don't use the page type from the pending entry. Some interstitial page 10145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // may have set the type to interstitial. Once we commit, however, the page 10155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // type must always be normal. 10165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->set_page_type(PAGE_TYPE_NORMAL); 10175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) update_virtual_url = new_entry->update_virtual_url_with_url(); 10185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 10195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry = new NavigationEntryImpl; 10205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Find out whether the new entry needs to update its virtual URL on URL 10225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // change and set up the entry accordingly. This is needed to correctly 10235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // update the virtual URL when replaceState is called after a pushState. 10245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL url = params.url; 10255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool needs_update = false; 1026cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // We call RewriteURLIfNecessary twice: once when page navigation 1027cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // begins in CreateNavigationEntry, and once here when it commits. 1028cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // With the kEnableGpuBenchmarking flag, the rewriting includes 1029cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // handling debug URLs which cause an action to occur, and thus we 1030cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // should not rewrite them a second time. 1031cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool skip_rewrite = 1032cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) IsDebugURL(url) && base::CommandLine::ForCurrentProcess()->HasSwitch( 1033cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) cc::switches::kEnableGpuBenchmarking); 1034cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!skip_rewrite) { 1035cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary( 1036cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) &url, browser_context_, &needs_update); 1037cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 10385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->set_update_virtual_url_with_url(needs_update); 10395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When navigating to a new page, give the browser URL handler a chance to 10415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // update the virtual URL based on the new URL. For example, this is needed 10425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to show chrome://bookmarks/#1 when the bookmarks webui extension changes 10435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the URL. 10445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) update_virtual_url = needs_update; 10455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetURL(params.url); 10485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (update_virtual_url) 10495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(new_entry, params.url); 10505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetReferrer(params.referrer); 10515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetPageID(params.page_id); 10525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetTransitionType(params.transition); 10535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->set_site_instance( 1054a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance())); 10555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetHasPostData(params.is_post); 10565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetPostID(params.post_id); 10575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetOriginalRequestURL(params.original_request_url); 10585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent); 10595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1060c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!params.history_list_was_cleared || !replace_entry); 1061c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // The browser requested to clear the session history when it initiated the 1062c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // navigation. Now we know that the renderer has updated its state accordingly 1063c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // and it is safe to also clear the browser side history. 1064c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (params.history_list_was_cleared) { 1065c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 1066c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) entries_.clear(); 1067c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) last_committed_entry_index_ = -1; 1068c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1069c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 10705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertOrReplaceEntry(new_entry, replace_entry); 10715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateToExistingPage( 1074a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 10755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 10765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We should only get here for main frame navigations. 10775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(PageTransitionIsMainFrame(params.transition)); 10785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is a back/forward navigation. The existing page for the ID is 10805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // guaranteed to exist by ClassifyNavigation, and we just need to update it 10815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // with new information from the renderer. 1082a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int entry_index = GetEntryIndexWithPageID(rfh->GetSiteInstance(), 10835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.page_id); 10845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entry_index >= 0 && 10855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry_index < static_cast<int>(entries_.size())); 10865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = entries_[entry_index].get(); 10875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The URL may have changed due to redirects. 10895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetURL(params.url); 10905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) entry->SetReferrer(params.referrer); 10915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry->update_virtual_url_with_url()) 10925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(entry, params.url); 10935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The redirected to page should not inherit the favicon from the previous 10955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // page. 10965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (PageTransitionIsRedirect(params.transition)) 10975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->GetFavicon() = FaviconStatus(); 10985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The site instance will normally be the same except during session restore, 11005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // when no site instance will be assigned. 11015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entry->site_instance() == NULL || 1102a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) entry->site_instance() == rfh->GetSiteInstance()); 11035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_site_instance( 1104a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance())); 11055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetHasPostData(params.is_post); 11075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetPostID(params.post_id); 11085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The entry we found in the list might be pending if the user hit 11105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // back/forward/reload. This load should commit it (since it's already in the 11115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // list, we can just discard the pending pointer). We should also discard the 11125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pending entry if it corresponds to a different navigation, since that one 11135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is now likely canceled. If it is not canceled, we will treat it as a new 11145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation when it arrives, which is also ok. 11155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 11165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that we need to use the "internal" version since we don't want to 11175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // actually change any other state, just kill the pointer. 11182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 11195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a transient entry was removed, the indices might have changed, so we 11215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // have to query the entry index again. 11225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = 1123a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id); 11245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateToSamePage( 1127a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 11295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This mode implies we have a pending entry that's the same as an existing 11305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry for this page ID. This entry is guaranteed to exist by 11315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ClassifyNavigation. All we need to do is update the existing entry. 11325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* existing_entry = GetEntryWithPageID( 1133a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), params.page_id); 11345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We assign the entry's unique ID to be that of the new one. Since this is 11365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // always the result of a user action, we want to dismiss infobars, etc. like 11375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a regular user-initiated navigation. 11385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry->set_unique_id(pending_entry_->GetUniqueID()); 11395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The URL may have changed due to redirects. 11415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_entry->update_virtual_url_with_url()) 11425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(existing_entry, params.url); 11435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry->SetURL(params.url); 11445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) existing_entry->SetReferrer(params.referrer); 11455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 11465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The page may have been requested with a different HTTP method. 11475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) existing_entry->SetHasPostData(params.is_post); 11485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) existing_entry->SetPostID(params.post_id); 11495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 11515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateInPage( 1154a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params, 11565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool* did_replace_entry) { 11575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(PageTransitionIsMainFrame(params.transition)) << 11585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "WebKit should only tell us about in-page navs for the main frame."; 11595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We're guaranteed to have an entry for this one. 11605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* existing_entry = GetEntryWithPageID( 1161a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), params.page_id); 11625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Reference fragment navigation. We're guaranteed to have the last_committed 11645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry and it will be the same page as the new navigation (minus the 11655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // reference fragments, of course). We'll update the URL of the existing 11665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry without pruning the forward history. 11675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry->SetURL(params.url); 11685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_entry->update_virtual_url_with_url()) 11695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(existing_entry, params.url); 11705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This replaces the existing entry since the page ID didn't change. 11725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *did_replace_entry = true; 11735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 11755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a transient entry was removed, the indices might have changed, so we 11775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // have to query the entry index again. 11785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = 1179a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id); 11805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateNewSubframe( 1183a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 11857dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (PageTransitionCoreTypeIs(params.transition, 11867dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch PAGE_TRANSITION_AUTO_SUBFRAME)) { 11875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is not user-initiated. Ignore. 11882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 11895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 11905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Manual subframe navigations just get the current entry cloned so the user 11935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can go back or forward to it. The actual subframe information will be 11945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // stored in the page state for each of those entries. This happens out of 11955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // band with the actual navigations. 11965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee " 11975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << "that a last committed entry exists."; 11985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* new_entry = new NavigationEntryImpl( 11995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry())); 12005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetPageID(params.page_id); 12015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertOrReplaceEntry(new_entry, false); 12025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::RendererDidNavigateAutoSubframe( 1205a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 12065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 12075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We're guaranteed to have a previously committed entry, and we now need to 12085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // handle navigation inside of a subframe in it without creating a new entry. 12095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetLastCommittedEntry()); 12105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Handle the case where we're navigating back/forward to a previous subframe 12125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the 12135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // header file. In case "1." this will be a NOP. 12145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int entry_index = GetEntryIndexWithPageID( 1215a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), 12165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.page_id); 12175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry_index < 0 || 12185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry_index >= static_cast<int>(entries_.size())) { 12195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 12205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 12215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Update the current navigation entry in case we're going back/forward. 12245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry_index != last_committed_entry_index_) { 12255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = entry_index; 12262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 12275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 12285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We do not need to discard the pending entry in this case, since we will 12312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // not generate commit notifications for this auto-subframe navigation. 12325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 12335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetIndexOfEntry( 12365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationEntryImpl* entry) const { 12375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationEntries::const_iterator i(std::find( 12385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.begin(), 12395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.end(), 12405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry)); 12415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin()); 12425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::IsURLInPageNavigation( 1245bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch const GURL& url, 1246bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch bool renderer_says_in_page, 1247bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch NavigationType navigation_type) const { 12485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntry* last_committed = GetLastCommittedEntry(); 12495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_committed && AreURLsInPageNavigation( 1250bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch last_committed->GetURL(), url, renderer_says_in_page, navigation_type); 12515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::CopyStateFrom( 12545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationController& temp) { 12555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationControllerImpl& source = 12565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<const NavigationControllerImpl&>(temp); 12575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Verify that we look new. 12585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetEntryCount() == 0 && !GetPendingEntry()); 12595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (source.GetEntryCount() == 0) 12615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; // Nothing new to do. 12625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = true; 12645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertEntriesFrom(source, source.GetEntryCount()); 12655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1266ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch for (SessionStorageNamespaceMap::const_iterator it = 1267ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch source.session_storage_namespace_map_.begin(); 1268ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch it != source.session_storage_namespace_map_.end(); 1269ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch ++it) { 1270ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch SessionStorageNamespaceImpl* source_namespace = 1271ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch static_cast<SessionStorageNamespaceImpl*>(it->second.get()); 1272ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace_map_[it->first] = source_namespace->Clone(); 1273ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch } 12745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION); 12765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the max page id map from the old tab to the new tab. This ensures 12785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that new and existing navigations in the tab's current SiteInstances 12795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are identified properly. 12801e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->CopyMaxPageIDsFrom(source.delegate()->GetWebContents()); 12815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::CopyStateFromAndPrune( 12845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NavigationController* temp, 12855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool replace_entry) { 1286868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // It is up to callers to check the invariants before calling this. 1287f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) CHECK(CanPruneAllButLastCommitted()); 1288868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 12895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationControllerImpl* source = 12905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<NavigationControllerImpl*>(temp); 12915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The SiteInstance and page_id of the last committed entry needs to be 12925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // remembered at this point, in case there is only one committed entry 12935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and it is pruned. We use a scoped_refptr to ensure the SiteInstance 12945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can't be freed during this time period. 12955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* last_committed = 12965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()); 12975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<SiteInstance> site_instance( 1298868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) last_committed->site_instance()); 1299868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int32 minimum_page_id = last_committed->GetPageID(); 1300868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int32 max_page_id = 13011e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetMaxPageIDForSiteInstance(site_instance.get()); 13025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Remove all the entries leaving the active entry. 1304f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) PruneAllButLastCommittedInternal(); 13055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1306868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We now have one entry, possibly with a new pending entry. Ensure that 1307868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // adding the entries from source won't put us over the limit. 1308868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DCHECK_EQ(1, GetEntryCount()); 13095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!replace_entry) 13105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) source->PruneOldestEntryIfFull(); 13115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Insert the entries from source. Don't use source->GetCurrentEntryIndex as 1313868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // we don't want to copy over the transient entry. Ignore any pending entry, 1314868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // since it has not committed in source. 1315868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int max_source_index = source->last_committed_entry_index_; 13165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_source_index == -1) 13175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_source_index = source->GetEntryCount(); 13185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 13195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_source_index++; 13205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Ignore the source's current entry if merging with replacement. 13225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(davidben): This should preserve entries forward of the current 13235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // too. http://crbug.com/317872 13245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (replace_entry && max_source_index > 0) 13255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) max_source_index--; 13265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertEntriesFrom(*source, max_source_index); 13285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Adjust indices such that the last entry and pending are at the end now. 13305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = GetEntryCount() - 1; 13315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13321e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->SetHistoryLengthAndPrune(site_instance.get(), 13331e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) max_source_index, 13341e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) minimum_page_id); 13355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the max page id map from the old tab to the new tab. This ensures 13375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that new and existing navigations in the tab's current SiteInstances 13385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are identified properly. 13391e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->CopyMaxPageIDsFrom(source->delegate()->GetWebContents()); 13405c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu max_restored_page_id_ = source->max_restored_page_id_; 13415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there is a last committed entry, be sure to include it in the new 13435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // max page ID map. 13445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_page_id > -1) { 13451e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->UpdateMaxPageIDForSiteInstance(site_instance.get(), 13461e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) max_page_id); 13475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1350f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)bool NavigationControllerImpl::CanPruneAllButLastCommitted() { 1351868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // If there is no last committed entry, we cannot prune. Even if there is a 1352868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // pending entry, it may not commit, leaving this WebContents blank, despite 1353868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // possibly giving it new entries via CopyStateFromAndPrune. 1354868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (last_committed_entry_index_ == -1) 1355868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 13562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1357868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We cannot prune if there is a pending entry at an existing entry index. 1358868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // It may not commit, so we have to keep the last committed entry, and thus 1359868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // there is no sensible place to keep the pending entry. It is ok to have 1360868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // a new pending entry, which can optionally commit as a new navigation. 1361868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (pending_entry_index_ != -1) 1362868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 1363868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1364868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We should not prune if we are currently showing a transient entry. 1365868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (transient_entry_index_ != -1) 1366868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 1367868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1368868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return true; 1369868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 1370868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1371f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void NavigationControllerImpl::PruneAllButLastCommitted() { 1372f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) PruneAllButLastCommittedInternal(); 1373868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1374868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We should still have a last committed entry. 1375868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DCHECK_NE(-1, last_committed_entry_index_); 13762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We pass 0 instead of GetEntryCount() for the history_length parameter of 13782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // SetHistoryLengthAndPrune, because it will create history_length additional 13792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // history entries. 13802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(jochen): This API is confusing and we should clean it up. 13812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // http://crbug.com/178491 13824e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl* entry = 13834e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetVisibleEntry()); 13841e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->SetHistoryLengthAndPrune( 13852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entry->site_instance(), 0, entry->GetPageID()); 13862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1388f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void NavigationControllerImpl::PruneAllButLastCommittedInternal() { 1389868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // It is up to callers to check the invariants before calling this. 1390f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) CHECK(CanPruneAllButLastCommitted()); 13915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1392868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Erase all entries but the last committed entry. There may still be a 1393868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // new pending entry after this. 1394868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entries_.erase(entries_.begin(), 1395868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entries_.begin() + last_committed_entry_index_); 1396868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entries_.erase(entries_.begin() + 1, entries_.end()); 1397868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) last_committed_entry_index_ = 0; 13985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NavigationControllerImpl::ClearAllScreenshots() { 1401c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) screenshot_manager_->ClearAllScreenshots(); 14022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 14032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetSessionStorageNamespace( 1405ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch const std::string& partition_id, 14065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SessionStorageNamespace* session_storage_namespace) { 14075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!session_storage_namespace) 14085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 14095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We can't overwrite an existing SessionStorage without violating spec. 14115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Attempts to do so may give a tab access to another tab's session storage 14125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // so die hard on an error. 1413ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch bool successful_insert = session_storage_namespace_map_.insert( 1414ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch make_pair(partition_id, 1415ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch static_cast<SessionStorageNamespaceImpl*>( 1416ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace))) 1417ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch .second; 1418ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace"; 14195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) { 14225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_restored_page_id_ = max_id; 14235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int32 NavigationControllerImpl::GetMaxRestoredPageID() const { 14265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return max_restored_page_id_; 14275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14290529e5d033099cbfc42635f6f6183833b09dff6eBen Murdochbool NavigationControllerImpl::IsUnmodifiedBlankTab() const { 14300529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch return IsInitialNavigation() && 14315c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu !GetLastCommittedEntry() && 14325c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu !delegate_->HasAccessedInitialDocument(); 14330529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch} 14340529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch 14355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SessionStorageNamespace* 1436ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochNavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) { 1437ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch std::string partition_id; 1438ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (instance) { 1439ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove 1440ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // this if statement so |instance| must not be NULL. 1441ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch partition_id = 1442ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch GetContentClient()->browser()->GetStoragePartitionIdForSite( 1443ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch browser_context_, instance->GetSiteURL()); 1444ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch } 1445ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1446ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch SessionStorageNamespaceMap::const_iterator it = 1447ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace_map_.find(partition_id); 1448ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (it != session_storage_namespace_map_.end()) 1449ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return it->second.get(); 1450ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1451ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // Create one if no one has accessed session storage for this partition yet. 1452ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // 1453ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // TODO(ajwong): Should this use the |partition_id| directly rather than 1454ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // re-lookup via |instance|? http://crbug.com/142685 1455ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch StoragePartition* partition = 1456ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch BrowserContext::GetStoragePartition(browser_context_, instance); 1457ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch SessionStorageNamespaceImpl* session_storage_namespace = 1458ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch new SessionStorageNamespaceImpl( 1459bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch static_cast<DOMStorageContextWrapper*>( 1460ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch partition->GetDOMStorageContext())); 1461ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace_map_[partition_id] = session_storage_namespace; 1462ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1463ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return session_storage_namespace; 1464ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch} 1465ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1466ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochSessionStorageNamespace* 1467ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochNavigationControllerImpl::GetDefaultSessionStorageNamespace() { 1468ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // TODO(ajwong): Remove if statement in GetSessionStorageNamespace(). 1469ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return GetSessionStorageNamespace(NULL); 1470ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch} 1471ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1472ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdochconst SessionStorageNamespaceMap& 1473ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochNavigationControllerImpl::GetSessionStorageNamespaceMap() const { 1474ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return session_storage_namespace_map_; 14755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::NeedsReload() const { 14785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return needs_reload_; 14795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14814e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)void NavigationControllerImpl::SetNeedsReload() { 14824e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) needs_reload_ = true; 14834e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)} 14844e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 14855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) { 14865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(index < GetEntryCount()); 14875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(index != last_committed_entry_index_); 14885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 14905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.erase(entries_.begin() + index); 14925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_committed_entry_index_ > index) 14935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_--; 14945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::DiscardNonCommittedEntries() { 14975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool transient = transient_entry_index_ != -1; 14985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 14995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there was a transient entry, invalidate everything so the new active 15015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry state is shown. 15025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient) { 15031e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(kInvalidateAll); 15045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetPendingEntry() const { 15085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_; 15095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetPendingEntryIndex() const { 15125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_index_; 15135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::InsertOrReplaceEntry(NavigationEntryImpl* entry, 15165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool replace) { 15175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entry->GetTransitionType() != PAGE_TRANSITION_AUTO_SUBFRAME); 15185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the pending entry's unique ID to the committed entry. 15205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // I don't know if pending_entry_index_ can be other than -1 here. 15215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationEntryImpl* const pending_entry = 15225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (pending_entry_index_ == -1) ? 15235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ : entries_[pending_entry_index_].get(); 15245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry) 15255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_unique_id(pending_entry->GetUniqueID()); 15265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 15285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_size = static_cast<int>(entries_.size()); 15305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (current_size > 0) { 15325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Prune any entries which are in front of the current entry. 15335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Also prune the current entry if we are to replace the current entry. 15345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // last_committed_entry_index_ must be updated here since calls to 15355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NotifyPrunedEntries() below may re-enter and we must make sure 15365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // last_committed_entry_index_ is not left in an invalid state. 15375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (replace) 15385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) --last_committed_entry_index_; 15395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int num_pruned = 0; 15415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (last_committed_entry_index_ < (current_size - 1)) { 15425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) num_pruned++; 15435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.pop_back(); 15445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_size--; 15455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (num_pruned > 0) // Only notify if we did prune something. 15475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotifyPrunedEntries(this, false, num_pruned); 15485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PruneOldestEntryIfFull(); 15515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.push_back(linked_ptr<NavigationEntryImpl>(entry)); 15535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1; 15545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is a new page ID, so we need everybody to know about it. 15561e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->UpdateMaxPageID(entry->GetPageID()); 15575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::PruneOldestEntryIfFull() { 15605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entries_.size() >= max_entry_count()) { 15615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(max_entry_count(), entries_.size()); 1562a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) DCHECK_GT(last_committed_entry_index_, 0); 15635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RemoveEntryAtIndex(0); 15645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotifyPrunedEntries(this, true, 1); 15655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) { 15695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = false; 15705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we were navigating to a slow-to-commit page, and the user performs 15725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a session history navigation to the last committed page, RenderViewHost 15735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // will force the throbber to start, but WebKit will essentially ignore the 15745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation, and won't send a message to stop the throbber. To prevent this 15755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // from happening, we drop the navigation here and stop the slow-to-commit 15765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // page from loading (which would normally happen during the navigation). 15775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_index_ != -1 && 15785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ == last_committed_entry_index_ && 15795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (entries_[pending_entry_index_]->restore_type() == 15805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl::RESTORE_NONE) && 15815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (entries_[pending_entry_index_]->GetTransitionType() & 15825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_FORWARD_BACK)) { 15831e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->Stop(); 15845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If an interstitial page is showing, we want to close it to get back 15865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to what was showing before. 15871e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (delegate_->GetInterstitialPage()) 15881e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetInterstitialPage()->DontProceed(); 15895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 15915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 15925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If an interstitial page is showing, the previous renderer is blocked and 15955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cannot make new requests. Unblock (and disable) it to allow this 15965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation to succeed. The interstitial will stay visible until the 15975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // resulting DidNavigate. 15981e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (delegate_->GetInterstitialPage()) { 15991e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())-> 16005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CancelForNavigation(); 16015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For session history navigations only the pending_entry_index_ is set. 16045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!pending_entry_) { 16055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_NE(pending_entry_index_, -1); 16065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = entries_[pending_entry_index_].get(); 16075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1609a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // This call does not support re-entrancy. See http://crbug.com/347742. 1610a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CHECK(!in_navigate_to_pending_entry_); 1611a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_navigate_to_pending_entry_ = true; 1612a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool success = delegate_->NavigateToPendingEntry(reload_type); 1613a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_navigate_to_pending_entry_ = false; 1614a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 1615a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!success) 16165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 16175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the entry is being restored and doesn't have a SiteInstance yet, fill 16195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // it in now that we know. This allows us to find the entry when it commits. 16205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_ && !pending_entry_->site_instance() && 16215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE) { 16225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->set_site_instance(static_cast<SiteInstanceImpl*>( 16231e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetPendingSiteInstance())); 16245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE); 16255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::NotifyNavigationEntryCommitted( 16295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadCommittedDetails* details) { 16304e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) details->entry = GetLastCommittedEntry(); 16315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need to notify the ssl_manager_ before the web_contents_ so the 16335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // location bar will have up-to-date information about the security style 16345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // when it wants to draw. See http://crbug.com/11157 163558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) ssl_manager_.DidCommitProvisionalLoad(*details); 16365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16371e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(kInvalidateAll); 16381e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationEntryCommitted(*details); 1639868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 164058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // TODO(avi): Remove. http://crbug.com/170921 164158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) NotificationDetails notification_details = 164258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) Details<LoadCommittedDetails>(details); 16435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 16445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_ENTRY_COMMITTED, 16455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(this), 16465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) notification_details); 16475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 16505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)size_t NavigationControllerImpl::max_entry_count() { 16515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet) 16525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return max_entry_count_for_testing_; 16535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return kMaxSessionHistoryEntries; 16545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetActive(bool is_active) { 16575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (is_active && needs_reload_) 16585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadIfNecessary(); 16595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadIfNecessary() { 16625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!needs_reload_) 16635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 16645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Calling Reload() results in ignoring state, and not loading. 16665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Explicitly use NavigateToPendingEntry so that the renderer uses the 16675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cached state. 16685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = last_committed_entry_index_; 16695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 16705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::NotifyEntryChanged(const NavigationEntry* entry, 16735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index) { 16745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EntryChangedDetails det; 16755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) det.changed_entry = entry; 16765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) det.index = index; 16775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 16785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_ENTRY_CHANGED, 16795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(this), 16805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details<EntryChangedDetails>(&det)); 16815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::FinishRestore(int selected_index, 16845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RestoreType type) { 16855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(selected_index >= 0 && selected_index < GetEntryCount()); 16865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ConfigureEntriesForRestore(&entries_, type); 16875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMaxRestoredPageID(static_cast<int32>(GetEntryCount())); 16895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = selected_index; 16915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() { 169458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DiscardPendingEntry(); 169558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DiscardTransientEntry(); 169658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 169758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 169858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)void NavigationControllerImpl::DiscardPendingEntry() { 1699a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // It is not safe to call DiscardPendingEntry while NavigateToEntry is in 1700a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // progress, since this will cause a use-after-free. (We only allow this 1701a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // when the tab is being destroyed for shutdown, since it won't return to 1702a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // NavigateToEntry in that case.) http://crbug.com/347742. 1703a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed()); 1704a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 17055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_index_ == -1) 17065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete pending_entry_; 17075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = NULL; 17085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = -1; 17095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::DiscardTransientEntry() { 17125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ == -1) 17135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 17145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.erase(entries_.begin() + transient_entry_index_); 17155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_committed_entry_index_ > transient_entry_index_) 17165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_--; 17175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transient_entry_index_ = -1; 17185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetEntryIndexWithPageID( 17215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SiteInstance* instance, int32 page_id) const { 17225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) { 17235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((entries_[i]->site_instance() == instance) && 17245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (entries_[i]->GetPageID() == page_id)) 17255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return i; 17265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return -1; 17285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetTransientEntry() const { 17315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ == -1) 17325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 17335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[transient_entry_index_].get(); 17345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NavigationControllerImpl::SetTransientEntry(NavigationEntry* entry) { 17372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Discard any current transient entry, we can only have one at a time. 17382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int index = 0; 17392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (last_committed_entry_index_ != -1) 17402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) index = last_committed_entry_index_ + 1; 17412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardTransientEntry(); 17422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entries_.insert( 17432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entries_.begin() + index, linked_ptr<NavigationEntryImpl>( 17442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(entry))); 17452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) transient_entry_index_ = index; 17461e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(kInvalidateAll); 17472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 17482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::InsertEntriesFrom( 17505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationControllerImpl& source, 17515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int max_index) { 17525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_LE(max_index, source.GetEntryCount()); 17535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t insert_index = 0; 17545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < max_index; i++) { 17555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When cloning a tab, copy all entries except interstitial pages 17565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (source.entries_[i].get()->GetPageType() != 17575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TYPE_INTERSTITIAL) { 17585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.insert(entries_.begin() + insert_index++, 17595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) linked_ptr<NavigationEntryImpl>( 17605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new NavigationEntryImpl(*source.entries_[i]))); 17615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetGetTimestampCallbackForTest( 17665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::Callback<base::Time()>& get_timestamp_callback) { 17675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_timestamp_callback_ = get_timestamp_callback; 17685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 1771