navigation_controller_impl.cc revision a02191e04bc25c4935f804f2c080ae28663d096d
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" 87d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "base/debug/trace_event.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 10868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_number_conversions.h" // Temporary 11868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_util.h" 12868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 13eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "base/time/time.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/browser_url_handler_impl.h" 15bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch#include "content/browser/dom_storage/dom_storage_context_wrapper.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/dom_storage/session_storage_namespace_impl.h" 171e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/debug_urls.h" 181e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/interstitial_page_impl.h" 191e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/navigation_entry_impl.h" 20f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "content/browser/frame_host/navigation_entry_screenshot_manager.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/site_instance_impl.h" 235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "content/common/frame_messages.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/view_messages.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_context.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/content_browser_client.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/invalidate_type.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/navigation_details.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_service.h" 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_types.h" 312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/render_widget_host.h" 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/render_widget_host_view.h" 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/storage_partition.h" 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/user_metrics.h" 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/content_client.h" 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/content_constants.h" 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/url_constants.h" 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/escape.h" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/mime_util.h" 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_util.h" 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "skia/ext/platform_canvas.h" 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kInvalidateAll = 0xFFFFFFFF; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Invoked when entries have been pruned, or removed. For example, if the 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// current entries are [google, digg, yahoo], with the current entry google, 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// and the user types in cnet, then digg and yahoo are pruned. 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NotifyPrunedEntries(NavigationControllerImpl* nav_controller, 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool from_front, 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int count) { 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrunedDetails details; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details.from_front = from_front; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details.count = count; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_LIST_PRUNED, 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(nav_controller), 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details<PrunedDetails>(&details)); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Ensure the given NavigationEntry has a valid state, so that WebKit does not 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// get confused if we navigate back to it. 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// An empty state is treated as a new navigation by WebKit, which would mean 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// losing the navigation entries and generating a new navigation entry after 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this one. We don't want that. To avoid this we create a valid state which 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// WebKit will not treat as a new navigation. 7090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void SetPageStateIfEmpty(NavigationEntryImpl* entry) { 7190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) if (!entry->GetPageState().IsValid()) 7290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) entry->SetPageState(PageState::CreateFromURL(entry->GetURL())); 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType( 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationController::RestoreType type) { 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (type) { 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NavigationController::RESTORE_CURRENT_SESSION: 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_CURRENT_SESSION; 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY: 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY; 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NavigationController::RESTORE_LAST_SESSION_CRASHED: 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED; 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_CURRENT_SESSION; 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Configure all the NavigationEntries in entries for restore. This resets 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the transition type to reload and makes sure the content state isn't empty. 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ConfigureEntriesForRestore( 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<linked_ptr<NavigationEntryImpl> >* entries, 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationController::RestoreType type) { 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < entries->size(); ++i) { 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use a transition type of reload so that we don't incorrectly increase 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the typed count. 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*entries)[i]->SetTransitionType(PAGE_TRANSITION_RELOAD); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type)); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE(darin): This code is only needed for backwards compat. 10090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) SetPageStateIfEmpty((*entries)[i].get()); 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// See NavigationController::IsURLInPageNavigation for how this works and why. 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool AreURLsInPageNavigation(const GURL& existing_url, 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& new_url, 107bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch bool renderer_says_in_page, 108bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch NavigationType navigation_type) { 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_url == new_url) 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return renderer_says_in_page; 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!new_url.has_ref()) { 113bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // When going back from the ref URL to the non ref one the navigation type 114bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // is IN_PAGE. 115bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch return navigation_type == NAVIGATION_TYPE_IN_PAGE; 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) url_canon::Replacements<char> replacements; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) replacements.ClearRef(); 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return existing_url.ReplaceComponents(replacements) == 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_url.ReplaceComponents(replacements); 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Determines whether or not we should be carrying over a user agent override 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// between two NavigationEntries. 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool ShouldKeepOverride(const NavigationEntry* last_entry) { 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_entry && last_entry->GetIsOverridingUserAgent(); 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NavigationControllerImpl ---------------------------------------------------- 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const size_t kMaxEntryCountForTestingNotSet = -1; 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)size_t NavigationControllerImpl::max_entry_count_for_testing_ = 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kMaxEntryCountForTestingNotSet; 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 140a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles)// Should Reload check for post data? The default is true, but is set to false 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// when testing. 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static bool g_check_for_repost = true; 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationController::CreateNavigationEntry( 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& url, 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Referrer& referrer, 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransition transition, 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_renderer_initiated, 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& extra_headers, 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context) { 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Allow the browser URL handler to rewrite the URL. This will, for example, 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // remove "view-source:" from the beginning of the URL to get the URL that 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // will actually be loaded. This real URL won't be shown to the user, just 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // used internally. 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL loaded_url(url); 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool reverse_on_redirect = false; 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary( 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &loaded_url, browser_context, &reverse_on_redirect); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = new NavigationEntryImpl( 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NULL, // The site instance for tabs is sent on navigation 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (WebContents::GetSiteInstance). 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) -1, 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) loaded_url, 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) referrer, 167a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::string16(), 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transition, 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_renderer_initiated); 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetVirtualURL(url); 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_user_typed_url(url); 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_update_virtual_url_with_url(reverse_on_redirect); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_extra_headers(extra_headers); 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entry; 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationController::DisablePromptOnRepost() { 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_check_for_repost = false; 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime( 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Time t) { 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If |t| is between the water marks, we're in a run of duplicates 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // or just getting out of it, so increase the high-water mark to get 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a time that probably hasn't been used before and return it. 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (low_water_mark_ <= t && t <= high_water_mark_) { 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) high_water_mark_ += base::TimeDelta::FromMicroseconds(1); 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return high_water_mark_; 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Otherwise, we're clear of the last duplicate run, so reset the 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // water marks. 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) low_water_mark_ = high_water_mark_ = t; 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return t; 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationControllerImpl::NavigationControllerImpl( 1991e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) NavigationControllerDelegate* delegate, 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context) 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : browser_context_(browser_context), 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_(NULL), 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_(-1), 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_(-1), 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transient_entry_index_(-1), 2061e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_(delegate), 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_restored_page_id_(-1), 208c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ssl_manager_(this), 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_(false), 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_initial_navigation_(true), 211a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_navigate_to_pending_entry_(false), 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_(NO_RELOAD), 2132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) get_timestamp_callback_(base::Bind(&base::Time::Now)), 214f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) screenshot_manager_(new NavigationEntryScreenshotManager(this)) { 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(browser_context_); 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationControllerImpl::~NavigationControllerImpl() { 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)WebContents* NavigationControllerImpl::GetWebContents() const { 2231e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) return delegate_->GetWebContents(); 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BrowserContext* NavigationControllerImpl::GetBrowserContext() const { 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return browser_context_; 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetBrowserContext( 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context) { 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_context_ = browser_context; 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::Restore( 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int selected_navigation, 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RestoreType type, 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<NavigationEntry*>* entries) { 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Verify that this controller is unused and that the input is valid. 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetEntryCount() == 0 && !GetPendingEntry()); 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(selected_navigation >= 0 && 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) selected_navigation < static_cast<int>(entries->size())); 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = true; 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < entries->size(); ++i) { 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl::FromNavigationEntry((*entries)[i]); 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.push_back(linked_ptr<NavigationEntryImpl>(entry)); 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries->clear(); 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // And finish the restore. 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FinishRestore(selected_navigation, type); 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::Reload(bool check_for_repost) { 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(check_for_repost, RELOAD); 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) { 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE); 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) { 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL); 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ReloadInternal(bool check_for_repost, 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadType reload_type) { 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) { 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If an interstitial is showing, treat a reload as a navigation to the 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // transient entry's URL. 2714e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl* transient_entry = 2724e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetTransientEntry()); 2734e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (!transient_entry) 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2754e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) LoadURL(transient_entry->GetURL(), 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Referrer(), 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_RELOAD, 2784e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) transient_entry->extra_headers()); 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 282868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) NavigationEntryImpl* entry = NULL; 283868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int current_index = -1; 284868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 285868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // If we are reloading the initial navigation, just use the current 286868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // pending entry. Otherwise look up the current entry. 287868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (IsInitialNavigation() && pending_entry_) { 288868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entry = pending_entry_; 289868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // The pending entry might be in entries_ (e.g., after a Clone), so we 290868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // should also update the current_index. 291868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) current_index = pending_entry_index_; 292868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } else { 293868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 294868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) current_index = GetCurrentEntryIndex(); 295868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (current_index != -1) { 296868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entry = NavigationEntryImpl::FromNavigationEntry( 297868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) GetEntryAtIndex(current_index)); 298868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 299868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 300868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 3015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we are no where, then we can't reload. TODO(darin): We should add a 3025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // CanReload method. 303868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!entry) 3045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3064e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (reload_type == NavigationControllerImpl::RELOAD_ORIGINAL_REQUEST_URL && 3074e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) { 3084e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // We may have been redirected when navigating to the current URL. 3094e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // Use the URL the user originally intended to visit, if it's valid and if a 3104e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // POST wasn't involved; the latter case avoids issues with sending data to 3114e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // the wrong page. 3124e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) entry->SetURL(entry->GetOriginalRequestURL()); 3135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) entry->SetReferrer(Referrer()); 3144e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 3154e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 3165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (g_check_for_repost && check_for_repost && 317868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entry->GetHasPostData()) { 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The user is asking to reload a page with POST data. Prompt to make sure 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // they really want to do this. If they do, the dialog will call us back 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // with check_for_repost = false. 3211e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyBeforeFormRepostWarningShow(); 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_ = reload_type; 3241e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->ActivateAndShowRepostFormWarningDialog(); 3255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 326868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!IsInitialNavigation()) 327868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we are reloading an entry that no longer belongs to the current 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // site instance (for example, refreshing a page for just installed app), 3315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the reload must happen in a new process. 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The new entry must have a new page_id and site instance, so it behaves 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // as new navigation (which happens to clear forward history). 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Tabs that are discarded due to low memory conditions may not have a site 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // instance, and should not be treated as a cross-site reload. 336868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) SiteInstanceImpl* site_instance = entry->site_instance(); 3375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Permit reloading guests without further checks. 3385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool is_guest = site_instance && site_instance->HasProcess() && 3395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) site_instance->GetProcess()->IsGuest(); 3405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!is_guest && site_instance && 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) site_instance->HasWrongProcessForURL(entry->GetURL())) { 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Create a navigation entry that resembles the current one, but do not 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // copy page id, site instance, content state, or timestamp. 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry( 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CreateNavigationEntry( 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(), 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) false, entry->extra_headers(), browser_context_)); 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Mark the reload type as NO_RELOAD, so navigation will not be considered 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a reload in the renderer. 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reload_type = NavigationController::NO_RELOAD; 3525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) nav_entry->set_should_replace_entry(true); 3545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = nav_entry; 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 356868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_ = entry; 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = current_index; 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The title of the page being reloaded might have been removed in the 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // meanwhile, so we need to revert to the default title upon reload and 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // invalidate the previously cached title (SetTitle will do both). 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See Chromium issue 96041. 363a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) pending_entry_->SetTitle(base::string16()); 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_->SetTransitionType(PAGE_TRANSITION_RELOAD); 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(reload_type); 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::CancelPendingReload() { 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(pending_reload_ != NO_RELOAD); 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_ = NO_RELOAD; 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ContinuePendingReload() { 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_reload_ == NO_RELOAD) { 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(false, pending_reload_); 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_ = NO_RELOAD; 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool NavigationControllerImpl::IsInitialNavigation() const { 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return is_initial_navigation_; 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID( 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SiteInstance* instance, int32 page_id) const { 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetEntryIndexWithPageID(instance, page_id); 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (index != -1) ? entries_[index].get() : NULL; 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) { 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When navigating to a new page, we don't know for sure if we will actually 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // end up leaving the current page. The new page load could for example 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // result in a download or a 'no content' response (e.g., a mailto: URL). 400868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) SetPendingEntry(entry); 401868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 402868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 403868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 404868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)void NavigationControllerImpl::SetPendingEntry(NavigationEntryImpl* entry) { 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = entry; 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_ENTRY_PENDING, 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(this), 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details<NavigationEntry>(entry)); 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetActiveEntry() const { 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[transient_entry_index_].get(); 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_) 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_; 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetLastCommittedEntry(); 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetVisibleEntry() const { 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[transient_entry_index_].get(); 424868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // The pending entry is safe to return for new (non-history), browser- 425868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // initiated navigations. Most renderer-initiated navigations should not 426868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // show the pending entry, to prevent URL spoof attacks. 427868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // 428868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We make an exception for renderer-initiated navigations in new tabs, as 429868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // long as no other page has tried to access the initial empty document in 430868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // the new tab. If another page modifies this blank page, a URL spoof is 431868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // possible, so we must stop showing the pending entry. 432868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>( 4331e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetRenderViewHost()); 434868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool safe_to_show_pending = 435868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_ && 436868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Require a new navigation. 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->GetPageID() == -1 && 438868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Require either browser-initiated or an unmodified new tab. 439868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) (!pending_entry_->is_renderer_initiated() || 440868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) (IsInitialNavigation() && 441868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) !GetLastCommittedEntry() && 442868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) !rvh->has_accessed_initial_document())); 443868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 444868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Also allow showing the pending entry for history navigations in a new tab, 445868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // such as Ctrl+Back. In this case, no existing page is visible and no one 446868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // can script the new tab before it commits. 447868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!safe_to_show_pending && 448868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_ && 449868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_->GetPageID() != -1 && 450868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) IsInitialNavigation() && 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !pending_entry_->is_renderer_initiated()) 452868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) safe_to_show_pending = true; 453868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 454868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (safe_to_show_pending) 4555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_; 4565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetLastCommittedEntry(); 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetCurrentEntryIndex() const { 4605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return transient_entry_index_; 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_index_ != -1) 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_index_; 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_committed_entry_index_; 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetLastCommittedEntry() const { 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_committed_entry_index_ == -1) 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[last_committed_entry_index_].get(); 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanViewSource() const { 4741e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) const std::string& mime_type = delegate_->GetContentsMimeType(); 4752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool is_viewable_mime_type = net::IsSupportedNonImageMimeType(mime_type) && 4762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !net::IsSupportedMediaMimeType(mime_type); 4774e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntry* visible_entry = GetVisibleEntry(); 4784e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return visible_entry && !visible_entry->IsViewSourceMode() && 4791e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) is_viewable_mime_type && !delegate_->GetInterstitialPage(); 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetLastCommittedEntryIndex() const { 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_committed_entry_index_; 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetEntryCount() const { 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entries_.size() <= max_entry_count()); 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<int>(entries_.size()); 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetEntryAtIndex( 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index) const { 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_.at(index).get(); 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetEntryAtOffset( 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int offset) const { 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetIndexForOffset(offset); 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index < 0 || index >= GetEntryCount()) 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[index].get(); 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetIndexForOffset(int offset) const { 5062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return GetCurrentEntryIndex() + offset; 5072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NavigationControllerImpl::TakeScreenshot() { 510c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) screenshot_manager_->TakeScreenshot(); 5112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 513c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void NavigationControllerImpl::SetScreenshotManager( 514f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) NavigationEntryScreenshotManager* manager) { 515c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) screenshot_manager_.reset(manager ? manager : 516f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) new NavigationEntryScreenshotManager(this)); 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanGoBack() const { 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_.size() > 1 && GetCurrentEntryIndex() > 0; 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanGoForward() const { 5245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetCurrentEntryIndex(); 5255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return index >= 0 && index < (static_cast<int>(entries_.size()) - 1); 5265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanGoToOffset(int offset) const { 5295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetIndexForOffset(offset); 5305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return index >= 0 && index < GetEntryCount(); 5315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoBack() { 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CanGoBack()) { 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Base the navigation on where we are now... 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_index = GetCurrentEntryIndex(); 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = current_index - 1; 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->SetTransitionType( 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransitionFromInt( 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->GetTransitionType() | 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_FORWARD_BACK)); 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoForward() { 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CanGoForward()) { 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool transient = (transient_entry_index_ != -1); 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Base the navigation on where we are now... 5615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_index = GetCurrentEntryIndex(); 5625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = current_index; 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there was a transient entry, we removed it making the current index 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the next page. 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!transient) 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_++; 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->SetTransitionType( 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransitionFromInt( 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->GetTransitionType() | 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_FORWARD_BACK)); 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 5765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoToIndex(int index) { 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index < 0 || index >= static_cast<int>(entries_.size())) { 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) { 5855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index == transient_entry_index_) { 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Nothing to do when navigating to the transient. 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index > transient_entry_index_) { 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Removing the transient is goint to shift all entries by 1. 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) index--; 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 5965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = index; 5985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->SetTransitionType( 5995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransitionFromInt( 6005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->GetTransitionType() | 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_FORWARD_BACK)); 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoToOffset(int offset) { 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CanGoToOffset(offset)) 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GoToIndex(GetIndexForOffset(offset)); 6105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 612a3f7b4e666c476898878fa745f637129375cd889Ben Murdochbool NavigationControllerImpl::RemoveEntryAtIndex(int index) { 613a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch if (index == last_committed_entry_index_ || 614a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch index == pending_entry_index_) 615a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch return false; 6165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RemoveEntryAtIndexInternal(index); 618a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch return true; 6195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::UpdateVirtualURLToURL( 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry, const GURL& new_url) { 6235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL new_virtual_url(new_url); 6245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite( 6255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &new_virtual_url, entry->GetVirtualURL(), browser_context_)) { 6265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetVirtualURL(new_virtual_url); 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadURL( 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& url, 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Referrer& referrer, 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransition transition, 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& extra_headers) { 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadURLParams params(url); 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.referrer = referrer; 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.transition_type = transition; 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.extra_headers = extra_headers; 6395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadURLWithParams(params); 6405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) { 6437d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles) TRACE_EVENT0("browser", "NavigationControllerImpl::LoadURLWithParams"); 6445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (HandleDebugURL(params.url, params.transition_type)) 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Any renderer-side debug URLs or javascript: URLs should be ignored if the 6485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // renderer process is not live, unless it is the initial navigation of the 6495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // tab. 6505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsRendererDebugURL(params.url)) { 6515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(creis): Find the RVH for the correct frame. 6525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!delegate_->GetRenderViewHost()->IsRenderViewLive() && 6535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) !IsInitialNavigation()) 6545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 6555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 6565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Checks based on params.load_type. 6585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (params.load_type) { 6595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DEFAULT: 6605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST: 662d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles) if (!params.url.SchemeIs(kHttpScheme) && 663424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) !params.url.SchemeIs(kHttpsScheme)) { 6645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED() << "Http post load must use http(s) scheme."; 6655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DATA: 6695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!params.url.SchemeIs(kDataScheme)) { 6705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED() << "Data load must use data scheme."; 6715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 6755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 6765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The user initiated a load, we don't need to reload anymore. 6805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = false; 6815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool override = false; 6835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (params.override_user_agent) { 6845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case UA_OVERRIDE_INHERIT: 6855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) override = ShouldKeepOverride(GetLastCommittedEntry()); 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case UA_OVERRIDE_TRUE: 6885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) override = true; 6895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case UA_OVERRIDE_FALSE: 6915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) override = false; 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 6955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry( 6995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CreateNavigationEntry( 7005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.url, 7015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.referrer, 7025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.transition_type, 7035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.is_renderer_initiated, 7045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.extra_headers, 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_context_)); 706f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (params.frame_tree_node_id != -1) 707f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) entry->set_frame_tree_node_id(params.frame_tree_node_id); 7081e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (params.redirect_chain.size() > 0) 7091e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) entry->set_redirect_chain(params.redirect_chain); 710ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (params.should_replace_current_entry) 7112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entry->set_should_replace_entry(true); 712c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) entry->set_should_clear_history_list(params.should_clear_history_list); 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetIsOverridingUserAgent(override); 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_transferred_global_request_id( 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.transferred_global_request_id); 7162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entry->SetFrameToNavigate(params.frame_name); 7175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (params.load_type) { 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DEFAULT: 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST: 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetHasPostData(true); 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetBrowserInitiatedPostData( 724868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) params.browser_initiated_post_data.get()); 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DATA: 7275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetBaseURLForDataURL(params.base_url_for_data_url); 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetVirtualURL(params.virtual_url_for_data_url); 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetCanLoadLocalResources(params.can_load_local_resources); 7305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadEntry(entry); 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::RendererDidNavigate( 740a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 7415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params, 7425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadCommittedDetails* details) { 7432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) is_initial_navigation_ = false; 7445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Save the previous state before we clobber it. 7465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (GetLastCommittedEntry()) { 7475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_url = GetLastCommittedEntry()->GetURL(); 7485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_entry_index = GetLastCommittedEntryIndex(); 7495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_url = GURL(); 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_entry_index = -1; 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we have a pending entry at this point, it should have a SiteInstance. 7555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Restored entries start out with a null SiteInstance, but we should have 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // assigned one in NavigateToPendingEntry. 7575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance()); 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we are doing a cross-site reload, we need to replace the existing 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation entry, not add another entry to the history. This has the side 7615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // effect of removing forward browsing history, if such existed. 7622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Or if we are doing a cross-site redirect navigation, 7632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we will do a similar thing. 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->did_replace_entry = 7652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_entry_ && pending_entry_->should_replace_entry(); 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Do navigation-type specific actions. These will make and commit an entry. 768a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) details->type = ClassifyNavigation(rfh, params); 7695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 770bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // is_in_page must be computed before the entry gets committed. 771bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch details->is_in_page = IsURLInPageNavigation( 772bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch params.url, params.was_within_same_page, details->type); 773bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 7745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (details->type) { 7755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_NEW_PAGE: 776a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateToNewPage(rfh, params, details->did_replace_entry); 7775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_EXISTING_PAGE: 779a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateToExistingPage(rfh, params); 7805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_SAME_PAGE: 782a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateToSamePage(rfh, params); 7835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_IN_PAGE: 785a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateInPage(rfh, params, &details->did_replace_entry); 7865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_NEW_SUBFRAME: 788a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateNewSubframe(rfh, params); 7895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_AUTO_SUBFRAME: 791a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!RendererDidNavigateAutoSubframe(rfh, params)) 7925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 7935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_NAV_IGNORE: 7955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a pending navigation was in progress, this canceled it. We should 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // discard it and make sure it is removed from the URL bar. After that, 7975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // there is nothing we can do with this navigation, so we just return to 7985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the caller that nothing has happened. 7995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_) { 8005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 8011e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL); 8025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 8045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 8055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 8065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // At this point, we know that the navigation has just completed, so 8095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // record the time. 8105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 8115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(akalin): Use "sane time" as described in 8125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://www.chromium.org/developers/design-documents/sane-time . 8135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Time timestamp = 8145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run()); 8155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DVLOG(1) << "Navigation finished at (smoothed) timestamp " 8165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << timestamp.ToInternalValue(); 8175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We should not have a pending entry anymore. Clear it again in case any 8192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // error cases above forgot to do so. 8202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 8212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // All committed entries should have nonempty content state so WebKit doesn't 8235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // get confused when we go back to them (see the function for details). 82490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) DCHECK(params.page_state.IsValid()); 8255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* active_entry = 8262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()); 8275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) active_entry->SetTimestamp(timestamp); 828424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) active_entry->SetHttpStatusCode(params.http_status_code); 82990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) active_entry->SetPageState(params.page_state); 8305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8311e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // Once it is committed, we no longer need to track several pieces of state on 8321e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // the entry. 8331e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) active_entry->ResetForCommit(); 834c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 8355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The active entry's SiteInstance should match our SiteInstance. 8365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(creis): This check won't pass for subframes until we create entries 8375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // for subframe navigations. 8385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (PageTransitionIsMainFrame(params.transition)) 839a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CHECK(active_entry->site_instance() == rfh->GetSiteInstance()); 8402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Remember the bindings the renderer process has at this point, so that 8422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we do not grant this entry additional bindings if we come back to it. 843a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) active_entry->SetBindings( 844a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<RenderFrameHostImpl*>(rfh)->GetEnabledBindings()); 8455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Now prep the rest of the details for the notification and broadcast. 8475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->entry = active_entry; 8485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->is_main_frame = 8495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PageTransitionIsMainFrame(params.transition); 8505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->serialized_security_info = params.security_info; 8515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->http_status_code = params.http_status_code; 8525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotifyNavigationEntryCommitted(details); 8535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 8555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationType NavigationControllerImpl::ClassifyNavigation( 858a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 8595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const { 8605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (params.page_id == -1) { 8615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The renderer generates the page IDs, and so if it gives us the invalid 8625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // page ID (-1) we know it didn't actually navigate. This happens in a few 8635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cases: 8645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 8655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // - If a page makes a popup navigated to about blank, and then writes 8665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // stuff like a subframe navigated to a real page. We'll get the commit 8675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // for the subframe, but there won't be any commit for the outer page. 8685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 8695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // - We were also getting these for failed loads (for example, bug 21849). 8705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The guess is that we get a "load commit" for the alternate error page, 8715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // but that doesn't affect the page ID, so we get the "old" one, which 8725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // could be invalid. This can also happen for a cross-site transition 8735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that causes us to swap processes. Then the error page load will be in 8745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a new process with no page IDs ever assigned (and hence a -1 value), 8755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // yet the navigation controller still might have previous pages in its 8765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // list. 8775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 8785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In these cases, there's nothing we can do with them, so ignore. 8795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NAV_IGNORE; 8805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (params.page_id > delegate_->GetMaxPageIDForSiteInstance( 883a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance())) { 8845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Greater page IDs than we've ever seen before are new pages. We may or may 8855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // not have a pending entry for the page, and this may or may not be the 8865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // main frame. 8875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (PageTransitionIsMainFrame(params.transition)) 8885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NEW_PAGE; 8895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When this is a new subframe navigation, we should have a committed page 8915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // for which it's a suframe in. This may not be the case when an iframe is 8925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigated on a popup navigated to about:blank (the iframe would be 8935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // written into the popup by script on the main page). For these cases, 8945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // there isn't any navigation stuff we can do, so just ignore it. 8955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!GetLastCommittedEntry()) 8965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NAV_IGNORE; 8975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Valid subframe navigation. 8995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NEW_SUBFRAME; 9005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 902c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // We only clear the session history when navigating to a new page. 903c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!params.history_list_was_cleared); 904c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 9055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Now we know that the notification is for an existing page. Find that entry. 9065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int existing_entry_index = GetEntryIndexWithPageID( 907a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), 9085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.page_id); 9095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_entry_index == -1) { 9105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The page was not found. It could have been pruned because of the limit on 9115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // back/forward entries (not likely since we'll usually tell it to navigate 9125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to such entries). It could also mean that the renderer is smoking crack. 9135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 9145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Because the unknown entry has committed, we risk showing the wrong URL in 9165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // release builds. Instead, we'll kill the renderer process to be safe. 9175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "terminating renderer for bad navigation: " << params.url; 9185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordAction(base::UserMetricsAction("BadMessageTerminate_NC")); 9195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Temporary code so we can get more information. Format: 9215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2 9225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string temp = params.url.spec(); 9235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#page"); 9245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(base::IntToString(params.page_id)); 9255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#max"); 9261e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) temp.append(base::IntToString(delegate_->GetMaxPageID())); 9275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#frame"); 928a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) temp.append(base::IntToString(rfh->GetRoutingID())); 9295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#ids"); 9305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < static_cast<int>(entries_.size()); ++i) { 9315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Append entry metadata (e.g., 3_7x): 9325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 3: page_id 9335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 7: SiteInstance ID, or N for null 9345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // x: appended if not from the current SiteInstance 9355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(base::IntToString(entries_[i]->GetPageID())); 9365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("_"); 9375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entries_[i]->site_instance()) 9385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(base::IntToString(entries_[i]->site_instance()->GetId())); 9395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 9405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("N"); 941a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (entries_[i]->site_instance() != rfh->GetSiteInstance()) 9425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("x"); 9435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(","); 9445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL url(temp); 946a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<RenderFrameHostImpl*>(rfh)->render_view_host()->Send( 9475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new ViewMsg_TempCrashWithData(url)); 9485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NAV_IGNORE; 9495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* existing_entry = entries_[existing_entry_index].get(); 9515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!PageTransitionIsMainFrame(params.transition)) { 9535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // All manual subframes would get new IDs and were handled above, so we 9545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // know this is auto. Since the current page was found in the navigation 9555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry list, we're guaranteed to have a last committed entry. 9565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetLastCommittedEntry()); 9575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_AUTO_SUBFRAME; 9585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Anything below here we know is a main frame navigation. 9615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_ && 962868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) !pending_entry_->is_renderer_initiated() && 9635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry != pending_entry_ && 9645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->GetPageID() == -1 && 9655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry == GetLastCommittedEntry()) { 9665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In this case, we have a pending entry for a URL but WebCore didn't do a 9675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // new navigation. This happens when you press enter in the URL bar to 9685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // reload. We will create a pending entry, but WebKit will convert it to 9695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a reload since it's the same page and not create a new entry for it 9705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (the user doesn't want to have a new back/forward entry when they do 9715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // this). If this matches the last committed entry, we want to just ignore 9725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the pending entry and go back to where we were (the "existing entry"). 9735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_SAME_PAGE; 9745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Any toplevel navigations with the same base (minus the reference fragment) 9775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are in-page navigations. We weeded out subframe navigations above. Most of 9785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the time this doesn't matter since WebKit doesn't tell us about subframe 9795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigations that don't actually navigate, but it can happen when there is 9805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an encoding override (it always sends a navigation request). 9815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (AreURLsInPageNavigation(existing_entry->GetURL(), params.url, 982bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch params.was_within_same_page, 983bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch NAVIGATION_TYPE_UNKNOWN)) { 9845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_IN_PAGE; 9855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Since we weeded out "new" navigations above, we know this is an existing 9885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (back/forward) navigation. 9895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_EXISTING_PAGE; 9905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateToNewPage( 993a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 9945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params, 9955d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool replace_entry) { 9965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* new_entry; 9975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool update_virtual_url; 9982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Only make a copy of the pending entry if it is appropriate for the new page 9992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // that was just loaded. We verify this at a coarse grain by checking that 10002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the SiteInstance hasn't been assigned to something else. 10012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (pending_entry_ && 10022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (!pending_entry_->site_instance() || 1003a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) pending_entry_->site_instance() == rfh->GetSiteInstance())) { 10045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry = new NavigationEntryImpl(*pending_entry_); 10055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Don't use the page type from the pending entry. Some interstitial page 10075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // may have set the type to interstitial. Once we commit, however, the page 10085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // type must always be normal. 10095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->set_page_type(PAGE_TYPE_NORMAL); 10105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) update_virtual_url = new_entry->update_virtual_url_with_url(); 10115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 10125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry = new NavigationEntryImpl; 10135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Find out whether the new entry needs to update its virtual URL on URL 10155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // change and set up the entry accordingly. This is needed to correctly 10165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // update the virtual URL when replaceState is called after a pushState. 10175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL url = params.url; 10185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool needs_update = false; 10195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary( 10205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &url, browser_context_, &needs_update); 10215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->set_update_virtual_url_with_url(needs_update); 10225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When navigating to a new page, give the browser URL handler a chance to 10245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // update the virtual URL based on the new URL. For example, this is needed 10255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to show chrome://bookmarks/#1 when the bookmarks webui extension changes 10265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the URL. 10275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) update_virtual_url = needs_update; 10285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetURL(params.url); 10315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (update_virtual_url) 10325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(new_entry, params.url); 10335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetReferrer(params.referrer); 10345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetPageID(params.page_id); 10355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetTransitionType(params.transition); 10365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->set_site_instance( 1037a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance())); 10385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetHasPostData(params.is_post); 10395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetPostID(params.post_id); 10405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetOriginalRequestURL(params.original_request_url); 10415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent); 10425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1043c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!params.history_list_was_cleared || !replace_entry); 1044c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // The browser requested to clear the session history when it initiated the 1045c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // navigation. Now we know that the renderer has updated its state accordingly 1046c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // and it is safe to also clear the browser side history. 1047c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (params.history_list_was_cleared) { 1048c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 1049c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) entries_.clear(); 1050c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) last_committed_entry_index_ = -1; 1051c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1052c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 10535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertOrReplaceEntry(new_entry, replace_entry); 10545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateToExistingPage( 1057a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 10585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 10595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We should only get here for main frame navigations. 10605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(PageTransitionIsMainFrame(params.transition)); 10615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is a back/forward navigation. The existing page for the ID is 10635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // guaranteed to exist by ClassifyNavigation, and we just need to update it 10645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // with new information from the renderer. 1065a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int entry_index = GetEntryIndexWithPageID(rfh->GetSiteInstance(), 10665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.page_id); 10675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entry_index >= 0 && 10685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry_index < static_cast<int>(entries_.size())); 10695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = entries_[entry_index].get(); 10705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The URL may have changed due to redirects. 10725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetURL(params.url); 10735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) entry->SetReferrer(params.referrer); 10745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry->update_virtual_url_with_url()) 10755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(entry, params.url); 10765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The redirected to page should not inherit the favicon from the previous 10785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // page. 10795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (PageTransitionIsRedirect(params.transition)) 10805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->GetFavicon() = FaviconStatus(); 10815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The site instance will normally be the same except during session restore, 10835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // when no site instance will be assigned. 10845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entry->site_instance() == NULL || 1085a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) entry->site_instance() == rfh->GetSiteInstance()); 10865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_site_instance( 1087a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance())); 10885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetHasPostData(params.is_post); 10905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetPostID(params.post_id); 10915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The entry we found in the list might be pending if the user hit 10935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // back/forward/reload. This load should commit it (since it's already in the 10945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // list, we can just discard the pending pointer). We should also discard the 10955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pending entry if it corresponds to a different navigation, since that one 10965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is now likely canceled. If it is not canceled, we will treat it as a new 10975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation when it arrives, which is also ok. 10985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 10995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that we need to use the "internal" version since we don't want to 11005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // actually change any other state, just kill the pointer. 11012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 11025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a transient entry was removed, the indices might have changed, so we 11045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // have to query the entry index again. 11055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = 1106a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id); 11075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateToSamePage( 1110a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 11125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This mode implies we have a pending entry that's the same as an existing 11135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry for this page ID. This entry is guaranteed to exist by 11145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ClassifyNavigation. All we need to do is update the existing entry. 11155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* existing_entry = GetEntryWithPageID( 1116a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), params.page_id); 11175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We assign the entry's unique ID to be that of the new one. Since this is 11195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // always the result of a user action, we want to dismiss infobars, etc. like 11205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a regular user-initiated navigation. 11215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry->set_unique_id(pending_entry_->GetUniqueID()); 11225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The URL may have changed due to redirects. 11245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_entry->update_virtual_url_with_url()) 11255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(existing_entry, params.url); 11265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry->SetURL(params.url); 11275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) existing_entry->SetReferrer(params.referrer); 11285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 11295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The page may have been requested with a different HTTP method. 11305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) existing_entry->SetHasPostData(params.is_post); 11315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) existing_entry->SetPostID(params.post_id); 11325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 11345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateInPage( 1137a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params, 11395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool* did_replace_entry) { 11405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(PageTransitionIsMainFrame(params.transition)) << 11415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "WebKit should only tell us about in-page navs for the main frame."; 11425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We're guaranteed to have an entry for this one. 11435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* existing_entry = GetEntryWithPageID( 1144a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), params.page_id); 11455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Reference fragment navigation. We're guaranteed to have the last_committed 11475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry and it will be the same page as the new navigation (minus the 11485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // reference fragments, of course). We'll update the URL of the existing 11495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry without pruning the forward history. 11505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry->SetURL(params.url); 11515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_entry->update_virtual_url_with_url()) 11525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(existing_entry, params.url); 11535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This replaces the existing entry since the page ID didn't change. 11555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *did_replace_entry = true; 11565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 11585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a transient entry was removed, the indices might have changed, so we 11605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // have to query the entry index again. 11615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = 1162a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id); 11635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateNewSubframe( 1166a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 11687dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch if (PageTransitionCoreTypeIs(params.transition, 11697dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch PAGE_TRANSITION_AUTO_SUBFRAME)) { 11705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is not user-initiated. Ignore. 11712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 11725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 11735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Manual subframe navigations just get the current entry cloned so the user 11765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can go back or forward to it. The actual subframe information will be 11775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // stored in the page state for each of those entries. This happens out of 11785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // band with the actual navigations. 11795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee " 11805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << "that a last committed entry exists."; 11815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* new_entry = new NavigationEntryImpl( 11825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry())); 11835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetPageID(params.page_id); 11845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertOrReplaceEntry(new_entry, false); 11855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::RendererDidNavigateAutoSubframe( 1188a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 11905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We're guaranteed to have a previously committed entry, and we now need to 11915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // handle navigation inside of a subframe in it without creating a new entry. 11925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetLastCommittedEntry()); 11935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Handle the case where we're navigating back/forward to a previous subframe 11955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the 11965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // header file. In case "1." this will be a NOP. 11975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int entry_index = GetEntryIndexWithPageID( 1198a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), 11995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.page_id); 12005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry_index < 0 || 12015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry_index >= static_cast<int>(entries_.size())) { 12025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 12035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 12045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Update the current navigation entry in case we're going back/forward. 12075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry_index != last_committed_entry_index_) { 12085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = entry_index; 12092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 12105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 12115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We do not need to discard the pending entry in this case, since we will 12142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // not generate commit notifications for this auto-subframe navigation. 12155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 12165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetIndexOfEntry( 12195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationEntryImpl* entry) const { 12205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationEntries::const_iterator i(std::find( 12215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.begin(), 12225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.end(), 12235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry)); 12245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin()); 12255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::IsURLInPageNavigation( 1228bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch const GURL& url, 1229bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch bool renderer_says_in_page, 1230bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch NavigationType navigation_type) const { 12315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntry* last_committed = GetLastCommittedEntry(); 12325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_committed && AreURLsInPageNavigation( 1233bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch last_committed->GetURL(), url, renderer_says_in_page, navigation_type); 12345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::CopyStateFrom( 12375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationController& temp) { 12385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationControllerImpl& source = 12395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<const NavigationControllerImpl&>(temp); 12405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Verify that we look new. 12415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetEntryCount() == 0 && !GetPendingEntry()); 12425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (source.GetEntryCount() == 0) 12445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; // Nothing new to do. 12455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = true; 12475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertEntriesFrom(source, source.GetEntryCount()); 12485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1249ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch for (SessionStorageNamespaceMap::const_iterator it = 1250ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch source.session_storage_namespace_map_.begin(); 1251ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch it != source.session_storage_namespace_map_.end(); 1252ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch ++it) { 1253ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch SessionStorageNamespaceImpl* source_namespace = 1254ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch static_cast<SessionStorageNamespaceImpl*>(it->second.get()); 1255ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace_map_[it->first] = source_namespace->Clone(); 1256ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch } 12575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION); 12595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the max page id map from the old tab to the new tab. This ensures 12615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that new and existing navigations in the tab's current SiteInstances 12625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are identified properly. 12631e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->CopyMaxPageIDsFrom(source.delegate()->GetWebContents()); 12645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::CopyStateFromAndPrune( 12675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NavigationController* temp, 12685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool replace_entry) { 1269868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // It is up to callers to check the invariants before calling this. 1270f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) CHECK(CanPruneAllButLastCommitted()); 1271868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 12725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationControllerImpl* source = 12735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<NavigationControllerImpl*>(temp); 12745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The SiteInstance and page_id of the last committed entry needs to be 12755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // remembered at this point, in case there is only one committed entry 12765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and it is pruned. We use a scoped_refptr to ensure the SiteInstance 12775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can't be freed during this time period. 12785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* last_committed = 12795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()); 12805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<SiteInstance> site_instance( 1281868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) last_committed->site_instance()); 1282868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int32 minimum_page_id = last_committed->GetPageID(); 1283868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int32 max_page_id = 12841e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetMaxPageIDForSiteInstance(site_instance.get()); 12855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Remove all the entries leaving the active entry. 1287f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) PruneAllButLastCommittedInternal(); 12885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1289868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We now have one entry, possibly with a new pending entry. Ensure that 1290868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // adding the entries from source won't put us over the limit. 1291868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DCHECK_EQ(1, GetEntryCount()); 12925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!replace_entry) 12935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) source->PruneOldestEntryIfFull(); 12945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Insert the entries from source. Don't use source->GetCurrentEntryIndex as 1296868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // we don't want to copy over the transient entry. Ignore any pending entry, 1297868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // since it has not committed in source. 1298868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int max_source_index = source->last_committed_entry_index_; 12995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_source_index == -1) 13005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_source_index = source->GetEntryCount(); 13015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 13025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_source_index++; 13035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Ignore the source's current entry if merging with replacement. 13055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(davidben): This should preserve entries forward of the current 13065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // too. http://crbug.com/317872 13075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (replace_entry && max_source_index > 0) 13085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) max_source_index--; 13095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertEntriesFrom(*source, max_source_index); 13115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Adjust indices such that the last entry and pending are at the end now. 13135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = GetEntryCount() - 1; 13145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13151e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->SetHistoryLengthAndPrune(site_instance.get(), 13161e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) max_source_index, 13171e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) minimum_page_id); 13185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the max page id map from the old tab to the new tab. This ensures 13205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that new and existing navigations in the tab's current SiteInstances 13215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are identified properly. 13221e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->CopyMaxPageIDsFrom(source->delegate()->GetWebContents()); 13235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there is a last committed entry, be sure to include it in the new 13255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // max page ID map. 13265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_page_id > -1) { 13271e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->UpdateMaxPageIDForSiteInstance(site_instance.get(), 13281e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) max_page_id); 13295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1332f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)bool NavigationControllerImpl::CanPruneAllButLastCommitted() { 1333868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // If there is no last committed entry, we cannot prune. Even if there is a 1334868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // pending entry, it may not commit, leaving this WebContents blank, despite 1335868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // possibly giving it new entries via CopyStateFromAndPrune. 1336868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (last_committed_entry_index_ == -1) 1337868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 13382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1339868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We cannot prune if there is a pending entry at an existing entry index. 1340868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // It may not commit, so we have to keep the last committed entry, and thus 1341868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // there is no sensible place to keep the pending entry. It is ok to have 1342868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // a new pending entry, which can optionally commit as a new navigation. 1343868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (pending_entry_index_ != -1) 1344868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 1345868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1346868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We should not prune if we are currently showing a transient entry. 1347868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (transient_entry_index_ != -1) 1348868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 1349868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1350868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return true; 1351868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 1352868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1353f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void NavigationControllerImpl::PruneAllButLastCommitted() { 1354f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) PruneAllButLastCommittedInternal(); 1355868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1356868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We should still have a last committed entry. 1357868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DCHECK_NE(-1, last_committed_entry_index_); 13582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We pass 0 instead of GetEntryCount() for the history_length parameter of 13602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // SetHistoryLengthAndPrune, because it will create history_length additional 13612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // history entries. 13622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(jochen): This API is confusing and we should clean it up. 13632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // http://crbug.com/178491 13644e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl* entry = 13654e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetVisibleEntry()); 13661e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->SetHistoryLengthAndPrune( 13672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entry->site_instance(), 0, entry->GetPageID()); 13682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1370f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void NavigationControllerImpl::PruneAllButLastCommittedInternal() { 1371868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // It is up to callers to check the invariants before calling this. 1372f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) CHECK(CanPruneAllButLastCommitted()); 13735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1374868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Erase all entries but the last committed entry. There may still be a 1375868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // new pending entry after this. 1376868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entries_.erase(entries_.begin(), 1377868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entries_.begin() + last_committed_entry_index_); 1378868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entries_.erase(entries_.begin() + 1, entries_.end()); 1379868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) last_committed_entry_index_ = 0; 13805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NavigationControllerImpl::ClearAllScreenshots() { 1383c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) screenshot_manager_->ClearAllScreenshots(); 13842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 13852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 13865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetSessionStorageNamespace( 1387ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch const std::string& partition_id, 13885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SessionStorageNamespace* session_storage_namespace) { 13895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!session_storage_namespace) 13905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 13915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We can't overwrite an existing SessionStorage without violating spec. 13935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Attempts to do so may give a tab access to another tab's session storage 13945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // so die hard on an error. 1395ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch bool successful_insert = session_storage_namespace_map_.insert( 1396ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch make_pair(partition_id, 1397ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch static_cast<SessionStorageNamespaceImpl*>( 1398ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace))) 1399ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch .second; 1400ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace"; 14015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) { 14045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_restored_page_id_ = max_id; 14055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int32 NavigationControllerImpl::GetMaxRestoredPageID() const { 14085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return max_restored_page_id_; 14095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SessionStorageNamespace* 1412ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochNavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) { 1413ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch std::string partition_id; 1414ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (instance) { 1415ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove 1416ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // this if statement so |instance| must not be NULL. 1417ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch partition_id = 1418ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch GetContentClient()->browser()->GetStoragePartitionIdForSite( 1419ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch browser_context_, instance->GetSiteURL()); 1420ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch } 1421ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1422ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch SessionStorageNamespaceMap::const_iterator it = 1423ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace_map_.find(partition_id); 1424ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (it != session_storage_namespace_map_.end()) 1425ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return it->second.get(); 1426ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1427ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // Create one if no one has accessed session storage for this partition yet. 1428ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // 1429ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // TODO(ajwong): Should this use the |partition_id| directly rather than 1430ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // re-lookup via |instance|? http://crbug.com/142685 1431ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch StoragePartition* partition = 1432ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch BrowserContext::GetStoragePartition(browser_context_, instance); 1433ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch SessionStorageNamespaceImpl* session_storage_namespace = 1434ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch new SessionStorageNamespaceImpl( 1435bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch static_cast<DOMStorageContextWrapper*>( 1436ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch partition->GetDOMStorageContext())); 1437ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace_map_[partition_id] = session_storage_namespace; 1438ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1439ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return session_storage_namespace; 1440ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch} 1441ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1442ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochSessionStorageNamespace* 1443ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochNavigationControllerImpl::GetDefaultSessionStorageNamespace() { 1444ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // TODO(ajwong): Remove if statement in GetSessionStorageNamespace(). 1445ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return GetSessionStorageNamespace(NULL); 1446ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch} 1447ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1448ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdochconst SessionStorageNamespaceMap& 1449ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochNavigationControllerImpl::GetSessionStorageNamespaceMap() const { 1450ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return session_storage_namespace_map_; 14515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::NeedsReload() const { 14545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return needs_reload_; 14555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14574e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)void NavigationControllerImpl::SetNeedsReload() { 14584e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) needs_reload_ = true; 14594e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)} 14604e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 14615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) { 14625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(index < GetEntryCount()); 14635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(index != last_committed_entry_index_); 14645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 14665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.erase(entries_.begin() + index); 14685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_committed_entry_index_ > index) 14695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_--; 14705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::DiscardNonCommittedEntries() { 14735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool transient = transient_entry_index_ != -1; 14745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 14755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there was a transient entry, invalidate everything so the new active 14775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry state is shown. 14785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient) { 14791e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(kInvalidateAll); 14805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 14815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetPendingEntry() const { 14845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_; 14855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetPendingEntryIndex() const { 14885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_index_; 14895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::InsertOrReplaceEntry(NavigationEntryImpl* entry, 14925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool replace) { 14935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entry->GetTransitionType() != PAGE_TRANSITION_AUTO_SUBFRAME); 14945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the pending entry's unique ID to the committed entry. 14965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // I don't know if pending_entry_index_ can be other than -1 here. 14975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationEntryImpl* const pending_entry = 14985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (pending_entry_index_ == -1) ? 14995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ : entries_[pending_entry_index_].get(); 15005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry) 15015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_unique_id(pending_entry->GetUniqueID()); 15025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 15045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_size = static_cast<int>(entries_.size()); 15065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (current_size > 0) { 15085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Prune any entries which are in front of the current entry. 15095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Also prune the current entry if we are to replace the current entry. 15105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // last_committed_entry_index_ must be updated here since calls to 15115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NotifyPrunedEntries() below may re-enter and we must make sure 15125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // last_committed_entry_index_ is not left in an invalid state. 15135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (replace) 15145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) --last_committed_entry_index_; 15155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int num_pruned = 0; 15175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (last_committed_entry_index_ < (current_size - 1)) { 15185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) num_pruned++; 15195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.pop_back(); 15205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_size--; 15215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (num_pruned > 0) // Only notify if we did prune something. 15235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotifyPrunedEntries(this, false, num_pruned); 15245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PruneOldestEntryIfFull(); 15275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.push_back(linked_ptr<NavigationEntryImpl>(entry)); 15295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1; 15305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is a new page ID, so we need everybody to know about it. 15321e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->UpdateMaxPageID(entry->GetPageID()); 15335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::PruneOldestEntryIfFull() { 15365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entries_.size() >= max_entry_count()) { 15375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(max_entry_count(), entries_.size()); 1538a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) DCHECK_GT(last_committed_entry_index_, 0); 15395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RemoveEntryAtIndex(0); 15405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotifyPrunedEntries(this, true, 1); 15415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) { 15455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = false; 15465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we were navigating to a slow-to-commit page, and the user performs 15485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a session history navigation to the last committed page, RenderViewHost 15495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // will force the throbber to start, but WebKit will essentially ignore the 15505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation, and won't send a message to stop the throbber. To prevent this 15515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // from happening, we drop the navigation here and stop the slow-to-commit 15525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // page from loading (which would normally happen during the navigation). 15535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_index_ != -1 && 15545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ == last_committed_entry_index_ && 15555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (entries_[pending_entry_index_]->restore_type() == 15565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl::RESTORE_NONE) && 15575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (entries_[pending_entry_index_]->GetTransitionType() & 15585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TRANSITION_FORWARD_BACK)) { 15591e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->Stop(); 15605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If an interstitial page is showing, we want to close it to get back 15625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to what was showing before. 15631e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (delegate_->GetInterstitialPage()) 15641e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetInterstitialPage()->DontProceed(); 15655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 15675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 15685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If an interstitial page is showing, the previous renderer is blocked and 15715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cannot make new requests. Unblock (and disable) it to allow this 15725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation to succeed. The interstitial will stay visible until the 15735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // resulting DidNavigate. 15741e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (delegate_->GetInterstitialPage()) { 15751e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())-> 15765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CancelForNavigation(); 15775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For session history navigations only the pending_entry_index_ is set. 15805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!pending_entry_) { 15815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_NE(pending_entry_index_, -1); 15825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = entries_[pending_entry_index_].get(); 15835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1585a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // This call does not support re-entrancy. See http://crbug.com/347742. 1586a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CHECK(!in_navigate_to_pending_entry_); 1587a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_navigate_to_pending_entry_ = true; 1588a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool success = delegate_->NavigateToPendingEntry(reload_type); 1589a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_navigate_to_pending_entry_ = false; 1590a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 1591a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!success) 15925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 15935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the entry is being restored and doesn't have a SiteInstance yet, fill 15955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // it in now that we know. This allows us to find the entry when it commits. 15965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_ && !pending_entry_->site_instance() && 15975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE) { 15985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->set_site_instance(static_cast<SiteInstanceImpl*>( 15991e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetPendingSiteInstance())); 16005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE); 16015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::NotifyNavigationEntryCommitted( 16055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadCommittedDetails* details) { 16064e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) details->entry = GetLastCommittedEntry(); 16075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need to notify the ssl_manager_ before the web_contents_ so the 16095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // location bar will have up-to-date information about the security style 16105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // when it wants to draw. See http://crbug.com/11157 161158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) ssl_manager_.DidCommitProvisionalLoad(*details); 16125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16131e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(kInvalidateAll); 16141e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationEntryCommitted(*details); 1615868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 161658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // TODO(avi): Remove. http://crbug.com/170921 161758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) NotificationDetails notification_details = 161858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) Details<LoadCommittedDetails>(details); 16195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 16205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_ENTRY_COMMITTED, 16215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(this), 16225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) notification_details); 16235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 16265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)size_t NavigationControllerImpl::max_entry_count() { 16275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet) 16285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return max_entry_count_for_testing_; 16295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return kMaxSessionHistoryEntries; 16305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetActive(bool is_active) { 16335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (is_active && needs_reload_) 16345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadIfNecessary(); 16355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadIfNecessary() { 16385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!needs_reload_) 16395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 16405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Calling Reload() results in ignoring state, and not loading. 16425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Explicitly use NavigateToPendingEntry so that the renderer uses the 16435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cached state. 16445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = last_committed_entry_index_; 16455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 16465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::NotifyEntryChanged(const NavigationEntry* entry, 16495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index) { 16505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EntryChangedDetails det; 16515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) det.changed_entry = entry; 16525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) det.index = index; 16535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 16545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_ENTRY_CHANGED, 16555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(this), 16565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details<EntryChangedDetails>(&det)); 16575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::FinishRestore(int selected_index, 16605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RestoreType type) { 16615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(selected_index >= 0 && selected_index < GetEntryCount()); 16625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ConfigureEntriesForRestore(&entries_, type); 16635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMaxRestoredPageID(static_cast<int32>(GetEntryCount())); 16655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = selected_index; 16675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() { 167058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DiscardPendingEntry(); 167158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DiscardTransientEntry(); 167258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 167358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 167458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)void NavigationControllerImpl::DiscardPendingEntry() { 1675a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // It is not safe to call DiscardPendingEntry while NavigateToEntry is in 1676a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // progress, since this will cause a use-after-free. (We only allow this 1677a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // when the tab is being destroyed for shutdown, since it won't return to 1678a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // NavigateToEntry in that case.) http://crbug.com/347742. 1679a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed()); 1680a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 16815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_index_ == -1) 16825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete pending_entry_; 16835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = NULL; 16845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = -1; 16855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::DiscardTransientEntry() { 16885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ == -1) 16895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 16905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.erase(entries_.begin() + transient_entry_index_); 16915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_committed_entry_index_ > transient_entry_index_) 16925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_--; 16935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transient_entry_index_ = -1; 16945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetEntryIndexWithPageID( 16975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SiteInstance* instance, int32 page_id) const { 16985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) { 16995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((entries_[i]->site_instance() == instance) && 17005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (entries_[i]->GetPageID() == page_id)) 17015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return i; 17025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return -1; 17045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetTransientEntry() const { 17075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ == -1) 17085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 17095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[transient_entry_index_].get(); 17105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NavigationControllerImpl::SetTransientEntry(NavigationEntry* entry) { 17132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Discard any current transient entry, we can only have one at a time. 17142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int index = 0; 17152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (last_committed_entry_index_ != -1) 17162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) index = last_committed_entry_index_ + 1; 17172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardTransientEntry(); 17182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entries_.insert( 17192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entries_.begin() + index, linked_ptr<NavigationEntryImpl>( 17202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(entry))); 17212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) transient_entry_index_ = index; 17221e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(kInvalidateAll); 17232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 17242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::InsertEntriesFrom( 17265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationControllerImpl& source, 17275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int max_index) { 17285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_LE(max_index, source.GetEntryCount()); 17295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t insert_index = 0; 17305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < max_index; i++) { 17315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When cloning a tab, copy all entries except interstitial pages 17325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (source.entries_[i].get()->GetPageType() != 17335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TYPE_INTERSTITIAL) { 17345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.insert(entries_.begin() + insert_index++, 17355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) linked_ptr<NavigationEntryImpl>( 17365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new NavigationEntryImpl(*source.entries_[i]))); 17375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetGetTimestampCallbackForTest( 17425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::Callback<base::Time()>& get_timestamp_callback) { 17435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_timestamp_callback_ = get_timestamp_callback; 17445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 1747