navigation_controller_impl.cc revision cebcd4cfff375dbdae8cf55d6148cf3dddd127d1
11e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 51e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/navigation_controller_impl.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 8cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "base/command_line.h" 97d4cd473f85ac64c3747c96c277f9e506a0d2246Torne (Richard Coles)#include "base/debug/trace_event.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 11cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "base/metrics/histogram.h" 12868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_number_conversions.h" // Temporary 13868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/string_util.h" 14868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 15eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch#include "base/time/time.h" 16cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "cc/base/switches.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/browser_url_handler_impl.h" 18bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch#include "content/browser/dom_storage/dom_storage_context_wrapper.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/dom_storage/session_storage_namespace_impl.h" 201e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/debug_urls.h" 211e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/interstitial_page_impl.h" 221e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)#include "content/browser/frame_host/navigation_entry_impl.h" 23f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)#include "content/browser/frame_host/navigation_entry_screenshot_manager.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/renderer_host/render_view_host_impl.h" // Temporary 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/site_instance_impl.h" 265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "content/common/frame_messages.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/view_messages.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_context.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/content_browser_client.h" 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/invalidate_type.h" 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/navigation_details.h" 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_service.h" 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_types.h" 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/render_widget_host.h" 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "content/public/browser/render_widget_host_view.h" 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/storage_partition.h" 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/user_metrics.h" 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/content_client.h" 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/content_constants.h" 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/escape.h" 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/mime_util.h" 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/net_util.h" 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "skia/ext/platform_canvas.h" 44cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "url/url_constants.h" 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Invoked when entries have been pruned, or removed. For example, if the 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// current entries are [google, digg, yahoo], with the current entry google, 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// and the user types in cnet, then digg and yahoo are pruned. 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NotifyPrunedEntries(NavigationControllerImpl* nav_controller, 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool from_front, 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int count) { 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PrunedDetails details; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details.from_front = from_front; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details.count = count; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_LIST_PRUNED, 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(nav_controller), 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details<PrunedDetails>(&details)); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Ensure the given NavigationEntry has a valid state, so that WebKit does not 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// get confused if we navigate back to it. 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// An empty state is treated as a new navigation by WebKit, which would mean 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// losing the navigation entries and generating a new navigation entry after 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// this one. We don't want that. To avoid this we create a valid state which 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// WebKit will not treat as a new navigation. 7190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)void SetPageStateIfEmpty(NavigationEntryImpl* entry) { 7290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) if (!entry->GetPageState().IsValid()) 7390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) entry->SetPageState(PageState::CreateFromURL(entry->GetURL())); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntryImpl::RestoreType ControllerRestoreTypeToEntryType( 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationController::RestoreType type) { 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (type) { 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NavigationController::RESTORE_CURRENT_SESSION: 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_CURRENT_SESSION; 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY: 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY; 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NavigationController::RESTORE_LAST_SESSION_CRASHED: 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NavigationEntryImpl::RESTORE_CURRENT_SESSION; 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Configure all the NavigationEntries in entries for restore. This resets 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the transition type to reload and makes sure the content state isn't empty. 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ConfigureEntriesForRestore( 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<linked_ptr<NavigationEntryImpl> >* entries, 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationController::RestoreType type) { 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < entries->size(); ++i) { 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Use a transition type of reload so that we don't incorrectly increase 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the typed count. 981320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci (*entries)[i]->SetTransitionType(ui::PAGE_TRANSITION_RELOAD); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (*entries)[i]->set_restore_type(ControllerRestoreTypeToEntryType(type)); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE(darin): This code is only needed for backwards compat. 10190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) SetPageStateIfEmpty((*entries)[i].get()); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// There are two general cases where a navigation is in page: 106116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// 1. A fragment navigation, in which the url is kept the same except for the 107116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// reference fragment. 108116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// 2. A history API navigation (pushState and replaceState). This case is 109116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// always in-page, but the urls are not guaranteed to match excluding the 110116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// fragment. The relevant spec allows pushState/replaceState to any URL on 111116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// the same origin. 112116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// However, due to reloads, even identical urls are *not* guaranteed to be 113116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// in-page navigations, we have to trust the renderer almost entirely. 114116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// The one thing we do know is that cross-origin navigations will *never* be 115116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// in-page. Therefore, trust the renderer if the URLs are on the same origin, 116116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// and assume the renderer is malicious if a cross-origin navigation claims to 117116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// be in-page. 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool AreURLsInPageNavigation(const GURL& existing_url, 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& new_url, 120bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch bool renderer_says_in_page, 121116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch RenderFrameHost* rfh) { 122116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch WebPreferences prefs = rfh->GetRenderViewHost()->GetWebkitPreferences(); 123116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch bool is_same_origin = existing_url.is_empty() || 124116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // TODO(japhet): We should only permit navigations 125116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // originating from about:blank to be in-page if the 126116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // about:blank is the first document that frame loaded. 127116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // We don't have sufficient information to identify 128116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // that case at the moment, so always allow about:blank 129116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // for now. 130116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch existing_url == GURL(url::kAboutBlankURL) || 131116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch existing_url.GetOrigin() == new_url.GetOrigin() || 132cebcd4cfff375dbdae8cf55d6148cf3dddd127d1ningxin.hu !prefs.web_security_enabled || 133cebcd4cfff375dbdae8cf55d6148cf3dddd127d1ningxin.hu (prefs.allow_universal_access_from_file_urls && 134cebcd4cfff375dbdae8cf55d6148cf3dddd127d1ningxin.hu existing_url.SchemeIs(url::kFileScheme)); 135116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (!is_same_origin && renderer_says_in_page) 136116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch rfh->GetProcess()->ReceivedBadMessage(); 137116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return is_same_origin && renderer_says_in_page; 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Determines whether or not we should be carrying over a user agent override 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// between two NavigationEntries. 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool ShouldKeepOverride(const NavigationEntry* last_entry) { 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_entry && last_entry->GetIsOverridingUserAgent(); 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// NavigationControllerImpl ---------------------------------------------------- 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 150116680a4aac90f2aa7413d9095a592090648e557Ben Murdochconst size_t kMaxEntryCountForTestingNotSet = static_cast<size_t>(-1); 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)size_t NavigationControllerImpl::max_entry_count_for_testing_ = 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) kMaxEntryCountForTestingNotSet; 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 156a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles)// Should Reload check for post data? The default is true, but is set to false 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// when testing. 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)static bool g_check_for_repost = true; 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationController::CreateNavigationEntry( 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& url, 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Referrer& referrer, 1641320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PageTransition transition, 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool is_renderer_initiated, 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& extra_headers, 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context) { 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Allow the browser URL handler to rewrite the URL. This will, for example, 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // remove "view-source:" from the beginning of the URL to get the URL that 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // will actually be loaded. This real URL won't be shown to the user, just 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // used internally. 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL loaded_url(url); 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool reverse_on_redirect = false; 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary( 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &loaded_url, browser_context, &reverse_on_redirect); 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = new NavigationEntryImpl( 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NULL, // The site instance for tabs is sent on navigation 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (WebContents::GetSiteInstance). 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) -1, 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) loaded_url, 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) referrer, 183a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) base::string16(), 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transition, 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_renderer_initiated); 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetVirtualURL(url); 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_user_typed_url(url); 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_update_virtual_url_with_url(reverse_on_redirect); 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_extra_headers(extra_headers); 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entry; 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationController::DisablePromptOnRepost() { 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) g_check_for_repost = false; 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)base::Time NavigationControllerImpl::TimeSmoother::GetSmoothedTime( 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Time t) { 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If |t| is between the water marks, we're in a run of duplicates 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // or just getting out of it, so increase the high-water mark to get 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a time that probably hasn't been used before and return it. 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (low_water_mark_ <= t && t <= high_water_mark_) { 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) high_water_mark_ += base::TimeDelta::FromMicroseconds(1); 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return high_water_mark_; 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Otherwise, we're clear of the last duplicate run, so reset the 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // water marks. 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) low_water_mark_ = high_water_mark_ = t; 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return t; 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationControllerImpl::NavigationControllerImpl( 2151e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) NavigationControllerDelegate* delegate, 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context) 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : browser_context_(browser_context), 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_(NULL), 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_(-1), 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_(-1), 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transient_entry_index_(-1), 2221e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_(delegate), 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_restored_page_id_(-1), 224c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ssl_manager_(this), 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_(false), 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) is_initial_navigation_(true), 227a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_navigate_to_pending_entry_(false), 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_(NO_RELOAD), 2292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) get_timestamp_callback_(base::Bind(&base::Time::Now)), 230f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) screenshot_manager_(new NavigationEntryScreenshotManager(this)) { 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(browser_context_); 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationControllerImpl::~NavigationControllerImpl() { 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)WebContents* NavigationControllerImpl::GetWebContents() const { 2391e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) return delegate_->GetWebContents(); 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)BrowserContext* NavigationControllerImpl::GetBrowserContext() const { 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return browser_context_; 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetBrowserContext( 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context) { 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_context_ = browser_context; 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::Restore( 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int selected_navigation, 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RestoreType type, 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::vector<NavigationEntry*>* entries) { 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Verify that this controller is unused and that the input is valid. 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetEntryCount() == 0 && !GetPendingEntry()); 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(selected_navigation >= 0 && 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) selected_navigation < static_cast<int>(entries->size())); 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = true; 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (size_t i = 0; i < entries->size(); ++i) { 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl::FromNavigationEntry((*entries)[i]); 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.push_back(linked_ptr<NavigationEntryImpl>(entry)); 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries->clear(); 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // And finish the restore. 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FinishRestore(selected_navigation, type); 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::Reload(bool check_for_repost) { 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(check_for_repost, RELOAD); 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ReloadIgnoringCache(bool check_for_repost) { 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(check_for_repost, RELOAD_IGNORING_CACHE); 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ReloadOriginalRequestURL(bool check_for_repost) { 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(check_for_repost, RELOAD_ORIGINAL_REQUEST_URL); 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ReloadInternal(bool check_for_repost, 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadType reload_type) { 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) { 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If an interstitial is showing, treat a reload as a navigation to the 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // transient entry's URL. 2874e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl* transient_entry = 2884e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetTransientEntry()); 2894e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (!transient_entry) 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2914e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) LoadURL(transient_entry->GetURL(), 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Referrer(), 2931320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PAGE_TRANSITION_RELOAD, 2944e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) transient_entry->extra_headers()); 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 2965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 298868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) NavigationEntryImpl* entry = NULL; 299868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int current_index = -1; 300868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 301868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // If we are reloading the initial navigation, just use the current 302868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // pending entry. Otherwise look up the current entry. 303868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (IsInitialNavigation() && pending_entry_) { 304868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entry = pending_entry_; 305868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // The pending entry might be in entries_ (e.g., after a Clone), so we 306868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // should also update the current_index. 307868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) current_index = pending_entry_index_; 308868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } else { 309868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 310868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) current_index = GetCurrentEntryIndex(); 311868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (current_index != -1) { 312868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entry = NavigationEntryImpl::FromNavigationEntry( 313868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) GetEntryAtIndex(current_index)); 314868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 315868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) } 316868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 3175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we are no where, then we can't reload. TODO(darin): We should add a 3185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // CanReload method. 319868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!entry) 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3224e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (reload_type == NavigationControllerImpl::RELOAD_ORIGINAL_REQUEST_URL && 3234e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) entry->GetOriginalRequestURL().is_valid() && !entry->GetHasPostData()) { 3244e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // We may have been redirected when navigating to the current URL. 3254e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // Use the URL the user originally intended to visit, if it's valid and if a 3264e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // POST wasn't involved; the latter case avoids issues with sending data to 3274e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) // the wrong page. 3284e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) entry->SetURL(entry->GetOriginalRequestURL()); 3295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) entry->SetReferrer(Referrer()); 3304e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 3314e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (g_check_for_repost && check_for_repost && 333868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entry->GetHasPostData()) { 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The user is asking to reload a page with POST data. Prompt to make sure 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // they really want to do this. If they do, the dialog will call us back 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // with check_for_repost = false. 3371e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyBeforeFormRepostWarningShow(); 3385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_ = reload_type; 3401e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->ActivateAndShowRepostFormWarningDialog(); 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 342868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!IsInitialNavigation()) 343868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we are reloading an entry that no longer belongs to the current 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // site instance (for example, refreshing a page for just installed app), 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the reload must happen in a new process. 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The new entry must have a new page_id and site instance, so it behaves 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // as new navigation (which happens to clear forward history). 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Tabs that are discarded due to low memory conditions may not have a site 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // instance, and should not be treated as a cross-site reload. 352868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) SiteInstanceImpl* site_instance = entry->site_instance(); 3535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Permit reloading guests without further checks. 354cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) bool is_isolated_guest = site_instance && site_instance->HasProcess() && 355cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) site_instance->GetProcess()->IsIsolatedGuest(); 356cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!is_isolated_guest && site_instance && 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) site_instance->HasWrongProcessForURL(entry->GetURL())) { 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Create a navigation entry that resembles the current one, but do not 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // copy page id, site instance, content state, or timestamp. 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* nav_entry = NavigationEntryImpl::FromNavigationEntry( 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CreateNavigationEntry( 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->GetURL(), entry->GetReferrer(), entry->GetTransitionType(), 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) false, entry->extra_headers(), browser_context_)); 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Mark the reload type as NO_RELOAD, so navigation will not be considered 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a reload in the renderer. 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reload_type = NavigationController::NO_RELOAD; 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) nav_entry->set_should_replace_entry(true); 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = nav_entry; 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 372868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_ = entry; 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = current_index; 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The title of the page being reloaded might have been removed in the 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // meanwhile, so we need to revert to the default title upon reload and 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // invalidate the previously cached title (SetTitle will do both). 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // See Chromium issue 96041. 379a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) pending_entry_->SetTitle(base::string16()); 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3811320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci pending_entry_->SetTransitionType(ui::PAGE_TRANSITION_RELOAD); 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(reload_type); 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::CancelPendingReload() { 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(pending_reload_ != NO_RELOAD); 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_ = NO_RELOAD; 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::ContinuePendingReload() { 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_reload_ == NO_RELOAD) { 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ReloadInternal(false, pending_reload_); 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_reload_ = NO_RELOAD; 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 4005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool NavigationControllerImpl::IsInitialNavigation() const { 4035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return is_initial_navigation_; 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntryImpl* NavigationControllerImpl::GetEntryWithPageID( 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SiteInstance* instance, int32 page_id) const { 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetEntryIndexWithPageID(instance, page_id); 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (index != -1) ? entries_[index].get() : NULL; 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) { 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When navigating to a new page, we don't know for sure if we will actually 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // end up leaving the current page. The new page load could for example 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // result in a download or a 'no content' response (e.g., a mailto: URL). 416868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) SetPendingEntry(entry); 417868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 418868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 419868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 420868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)void NavigationControllerImpl::SetPendingEntry(NavigationEntryImpl* entry) { 4215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 4225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = entry; 4235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 4245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_ENTRY_PENDING, 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(this), 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details<NavigationEntry>(entry)); 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetActiveEntry() const { 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[transient_entry_index_].get(); 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_) 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_; 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetLastCommittedEntry(); 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetVisibleEntry() const { 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[transient_entry_index_].get(); 440868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // The pending entry is safe to return for new (non-history), browser- 441868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // initiated navigations. Most renderer-initiated navigations should not 442868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // show the pending entry, to prevent URL spoof attacks. 443868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // 444868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We make an exception for renderer-initiated navigations in new tabs, as 445868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // long as no other page has tried to access the initial empty document in 446868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // the new tab. If another page modifies this blank page, a URL spoof is 447868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // possible, so we must stop showing the pending entry. 448868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) bool safe_to_show_pending = 449868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_ && 450868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Require a new navigation. 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->GetPageID() == -1 && 452868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Require either browser-initiated or an unmodified new tab. 4530529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch (!pending_entry_->is_renderer_initiated() || IsUnmodifiedBlankTab()); 454868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 455868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Also allow showing the pending entry for history navigations in a new tab, 456868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // such as Ctrl+Back. In this case, no existing page is visible and no one 457868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // can script the new tab before it commits. 458868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (!safe_to_show_pending && 459868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_ && 460868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) pending_entry_->GetPageID() != -1 && 461868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) IsInitialNavigation() && 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !pending_entry_->is_renderer_initiated()) 463868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) safe_to_show_pending = true; 464868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 465868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (safe_to_show_pending) 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_; 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return GetLastCommittedEntry(); 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetCurrentEntryIndex() const { 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) 4725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return transient_entry_index_; 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_index_ != -1) 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_index_; 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_committed_entry_index_; 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetLastCommittedEntry() const { 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_committed_entry_index_ == -1) 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[last_committed_entry_index_].get(); 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanViewSource() const { 4851e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) const std::string& mime_type = delegate_->GetContentsMimeType(); 4862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool is_viewable_mime_type = net::IsSupportedNonImageMimeType(mime_type) && 4872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) !net::IsSupportedMediaMimeType(mime_type); 4884e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntry* visible_entry = GetVisibleEntry(); 4894e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) return visible_entry && !visible_entry->IsViewSourceMode() && 4901e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) is_viewable_mime_type && !delegate_->GetInterstitialPage(); 4915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetLastCommittedEntryIndex() const { 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_committed_entry_index_; 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetEntryCount() const { 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entries_.size() <= max_entry_count()); 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<int>(entries_.size()); 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetEntryAtIndex( 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index) const { 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_.at(index).get(); 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetEntryAtOffset( 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int offset) const { 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetIndexForOffset(offset); 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index < 0 || index >= GetEntryCount()) 5115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[index].get(); 5145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetIndexForOffset(int offset) const { 5172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return GetCurrentEntryIndex() + offset; 5182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NavigationControllerImpl::TakeScreenshot() { 521c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) screenshot_manager_->TakeScreenshot(); 5222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 524c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void NavigationControllerImpl::SetScreenshotManager( 525f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) NavigationEntryScreenshotManager* manager) { 526c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) screenshot_manager_.reset(manager ? manager : 527f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) new NavigationEntryScreenshotManager(this)); 5285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanGoBack() const { 5315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_.size() > 1 && GetCurrentEntryIndex() > 0; 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanGoForward() const { 5355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetCurrentEntryIndex(); 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return index >= 0 && index < (static_cast<int>(entries_.size()) - 1); 5375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::CanGoToOffset(int offset) const { 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index = GetIndexForOffset(offset); 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return index >= 0 && index < GetEntryCount(); 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoBack() { 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CanGoBack()) { 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Base the navigation on where we are now... 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_index = GetCurrentEntryIndex(); 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = current_index - 1; 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->SetTransitionType( 5571320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PageTransitionFromInt( 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->GetTransitionType() | 5591320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PAGE_TRANSITION_FORWARD_BACK)); 5605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 5615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoForward() { 5645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CanGoForward()) { 5655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool transient = (transient_entry_index_ != -1); 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Base the navigation on where we are now... 5725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_index = GetCurrentEntryIndex(); 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 5755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = current_index; 5775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there was a transient entry, we removed it making the current index 5785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the next page. 5795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!transient) 5805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_++; 5815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->SetTransitionType( 5831320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PageTransitionFromInt( 5845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->GetTransitionType() | 5851320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PAGE_TRANSITION_FORWARD_BACK)); 5865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 5875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoToIndex(int index) { 5905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index < 0 || index >= static_cast<int>(entries_.size())) { 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ != -1) { 5965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index == transient_entry_index_) { 5975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Nothing to do when navigating to the transient. 5985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 5995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (index > transient_entry_index_) { 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Removing the transient is goint to shift all entries by 1. 6025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) index--; 6035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = index; 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->SetTransitionType( 6101320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PageTransitionFromInt( 6115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_[pending_entry_index_]->GetTransitionType() | 6121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PAGE_TRANSITION_FORWARD_BACK)); 6135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 6145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::GoToOffset(int offset) { 6175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!CanGoToOffset(offset)) 6185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GoToIndex(GetIndexForOffset(offset)); 6215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 623a3f7b4e666c476898878fa745f637129375cd889Ben Murdochbool NavigationControllerImpl::RemoveEntryAtIndex(int index) { 624a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch if (index == last_committed_entry_index_ || 625a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch index == pending_entry_index_) 626a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch return false; 6275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RemoveEntryAtIndexInternal(index); 629a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch return true; 6305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::UpdateVirtualURLToURL( 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry, const GURL& new_url) { 6345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL new_virtual_url(new_url); 6355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (BrowserURLHandlerImpl::GetInstance()->ReverseURLRewrite( 6365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) &new_virtual_url, entry->GetVirtualURL(), browser_context_)) { 6375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetVirtualURL(new_virtual_url); 6385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadURL( 6425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const GURL& url, 6435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Referrer& referrer, 6441320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PageTransition transition, 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& extra_headers) { 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadURLParams params(url); 6475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.referrer = referrer; 6485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.transition_type = transition; 6495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.extra_headers = extra_headers; 6505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadURLWithParams(params); 6515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) { 6541320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci TRACE_EVENT1("browser,navigation", 6551320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci "NavigationControllerImpl::LoadURLWithParams", 6561320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci "url", params.url.possibly_invalid_spec()); 6575f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (HandleDebugURL(params.url, params.transition_type)) { 6585f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // If Telemetry is running, allow the URL load to proceed as if it's 6595f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // unhandled, otherwise Telemetry can't tell if Navigation completed. 6605f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (!CommandLine::ForCurrentProcess()->HasSwitch( 6615f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) cc::switches::kEnableGpuBenchmarking)) 6625f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return; 6635f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) } 6645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Any renderer-side debug URLs or javascript: URLs should be ignored if the 6665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // renderer process is not live, unless it is the initial navigation of the 6675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // tab. 6685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (IsRendererDebugURL(params.url)) { 6695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(creis): Find the RVH for the correct frame. 6705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!delegate_->GetRenderViewHost()->IsRenderViewLive() && 6715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) !IsInitialNavigation()) 6725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 6735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 6745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Checks based on params.load_type. 6765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (params.load_type) { 6775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DEFAULT: 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST: 680010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (!params.url.SchemeIs(url::kHttpScheme) && 681010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) !params.url.SchemeIs(url::kHttpsScheme)) { 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED() << "Http post load must use http(s) scheme."; 6835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DATA: 687cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!params.url.SchemeIs(url::kDataScheme)) { 6885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED() << "Data load must use data scheme."; 6895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 6905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 6955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The user initiated a load, we don't need to reload anymore. 6985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = false; 6995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool override = false; 7015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (params.override_user_agent) { 7025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case UA_OVERRIDE_INHERIT: 7035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) override = ShouldKeepOverride(GetLastCommittedEntry()); 7045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case UA_OVERRIDE_TRUE: 7065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) override = true; 7075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case UA_OVERRIDE_FALSE: 7095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) override = false; 7105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry( 7175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CreateNavigationEntry( 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.url, 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.referrer, 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.transition_type, 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.is_renderer_initiated, 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.extra_headers, 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) browser_context_)); 724f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (params.frame_tree_node_id != -1) 725f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) entry->set_frame_tree_node_id(params.frame_tree_node_id); 7261e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (params.redirect_chain.size() > 0) 7270529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch entry->SetRedirectChain(params.redirect_chain); 728ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (params.should_replace_current_entry) 7292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entry->set_should_replace_entry(true); 730c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) entry->set_should_clear_history_list(params.should_clear_history_list); 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetIsOverridingUserAgent(override); 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_transferred_global_request_id( 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.transferred_global_request_id); 7342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entry->SetFrameToNavigate(params.frame_name); 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (params.load_type) { 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DEFAULT: 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_BROWSER_INITIATED_HTTP_POST: 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetHasPostData(true); 7415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetBrowserInitiatedPostData( 742868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) params.browser_initiated_post_data.get()); 7435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case LOAD_TYPE_DATA: 7455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetBaseURLForDataURL(params.base_url_for_data_url); 7465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetVirtualURL(params.virtual_url_for_data_url); 7475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetCanLoadLocalResources(params.can_load_local_resources); 7485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) }; 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadEntry(entry); 7555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::RendererDidNavigate( 758a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 7595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params, 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadCommittedDetails* details) { 7612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) is_initial_navigation_ = false; 7625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Save the previous state before we clobber it. 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (GetLastCommittedEntry()) { 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_url = GetLastCommittedEntry()->GetURL(); 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_entry_index = GetLastCommittedEntryIndex(); 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 7685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_url = GURL(); 7695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->previous_entry_index = -1; 7705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we have a pending entry at this point, it should have a SiteInstance. 7735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Restored entries start out with a null SiteInstance, but we should have 7745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // assigned one in NavigateToPendingEntry. 7755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(pending_entry_index_ == -1 || pending_entry_->site_instance()); 7765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we are doing a cross-site reload, we need to replace the existing 7785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation entry, not add another entry to the history. This has the side 7795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // effect of removing forward browsing history, if such existed. 7802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Or if we are doing a cross-site redirect navigation, 7812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we will do a similar thing. 7825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->did_replace_entry = 7832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) pending_entry_ && pending_entry_->should_replace_entry(); 7845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Do navigation-type specific actions. These will make and commit an entry. 786a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) details->type = ClassifyNavigation(rfh, params); 7875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 788bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch // is_in_page must be computed before the entry gets committed. 789116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch details->is_in_page = AreURLsInPageNavigation(rfh->GetLastCommittedURL(), 790116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch params.url, params.was_within_same_page, rfh); 791bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch 7925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (details->type) { 7935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_NEW_PAGE: 794a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateToNewPage(rfh, params, details->did_replace_entry); 7955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_EXISTING_PAGE: 797a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateToExistingPage(rfh, params); 7985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 7995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_SAME_PAGE: 800a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateToSamePage(rfh, params); 8015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_IN_PAGE: 803a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateInPage(rfh, params, &details->did_replace_entry); 8045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_NEW_SUBFRAME: 806a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RendererDidNavigateNewSubframe(rfh, params); 8075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_AUTO_SUBFRAME: 809a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!RendererDidNavigateAutoSubframe(rfh, params)) 8105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 8115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case NAVIGATION_TYPE_NAV_IGNORE: 8135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a pending navigation was in progress, this canceled it. We should 8145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // discard it and make sure it is removed from the URL bar. After that, 8155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // there is nothing we can do with this navigation, so we just return to 8165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the caller that nothing has happened. 8175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_) { 8185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 8191e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL); 8205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 8225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 8235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 8245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // At this point, we know that the navigation has just completed, so 8275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // record the time. 8285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 8295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(akalin): Use "sane time" as described in 8305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://www.chromium.org/developers/design-documents/sane-time . 8315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Time timestamp = 8325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) time_smoother_.GetSmoothedTime(get_timestamp_callback_.Run()); 8335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DVLOG(1) << "Navigation finished at (smoothed) timestamp " 8345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << timestamp.ToInternalValue(); 8355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We should not have a pending entry anymore. Clear it again in case any 8372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // error cases above forgot to do so. 8382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 8392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // All committed entries should have nonempty content state so WebKit doesn't 8415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // get confused when we go back to them (see the function for details). 84290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) DCHECK(params.page_state.IsValid()); 8435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* active_entry = 8442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()); 8455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) active_entry->SetTimestamp(timestamp); 846424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles) active_entry->SetHttpStatusCode(params.http_status_code); 84790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) active_entry->SetPageState(params.page_state); 8480529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch active_entry->SetRedirectChain(params.redirects); 8495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 850cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Use histogram to track memory impact of redirect chain because it's now 851cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // not cleared for committed entries. 852cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) size_t redirect_chain_size = 0; 853cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (size_t i = 0; i < params.redirects.size(); ++i) { 854cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) redirect_chain_size += params.redirects[i].spec().length(); 855cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) } 856cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UMA_HISTOGRAM_COUNTS("Navigation.RedirectChainSize", redirect_chain_size); 857cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 8581e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // Once it is committed, we no longer need to track several pieces of state on 8591e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // the entry. 8601e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) active_entry->ResetForCommit(); 861c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 8625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The active entry's SiteInstance should match our SiteInstance. 8635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(creis): This check won't pass for subframes until we create entries 8645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // for subframe navigations. 8651320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (ui::PageTransitionIsMainFrame(params.transition)) 866a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CHECK(active_entry->site_instance() == rfh->GetSiteInstance()); 8672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 8682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Remember the bindings the renderer process has at this point, so that 8692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we do not grant this entry additional bindings if we come back to it. 870a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) active_entry->SetBindings( 871a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<RenderFrameHostImpl*>(rfh)->GetEnabledBindings()); 8725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Now prep the rest of the details for the notification and broadcast. 8745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->entry = active_entry; 8755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->is_main_frame = 8761320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PageTransitionIsMainFrame(params.transition); 8775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->serialized_security_info = params.security_info; 8785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) details->http_status_code = params.http_status_code; 8795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotifyNavigationEntryCommitted(details); 8805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 8825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationType NavigationControllerImpl::ClassifyNavigation( 885a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 8865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) const { 8875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (params.page_id == -1) { 8885f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // TODO(nasko, creis): An out-of-process child frame has no way of 8895f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // knowing the page_id of its parent, so it is passing back -1. The 8905f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // semantics here should be re-evaluated during session history refactor 8915f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // (see http://crbug.com/236848). For now, we assume this means the 8925f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // child frame loaded and proceed. Note that this may do the wrong thing 8935f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) // for cross-process AUTO_SUBFRAME navigations. 8945f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (rfh->IsCrossProcessSubframe()) 8955f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) return NAVIGATION_TYPE_NEW_SUBFRAME; 8965f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 8975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The renderer generates the page IDs, and so if it gives us the invalid 8985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // page ID (-1) we know it didn't actually navigate. This happens in a few 8995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cases: 9005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 9015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // - If a page makes a popup navigated to about blank, and then writes 9025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // stuff like a subframe navigated to a real page. We'll get the commit 9035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // for the subframe, but there won't be any commit for the outer page. 9045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 9055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // - We were also getting these for failed loads (for example, bug 21849). 9065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The guess is that we get a "load commit" for the alternate error page, 9075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // but that doesn't affect the page ID, so we get the "old" one, which 9085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // could be invalid. This can also happen for a cross-site transition 9095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that causes us to swap processes. Then the error page load will be in 9105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a new process with no page IDs ever assigned (and hence a -1 value), 9115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // yet the navigation controller still might have previous pages in its 9125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // list. 9135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 9145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In these cases, there's nothing we can do with them, so ignore. 9155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NAV_IGNORE; 9165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (params.page_id > delegate_->GetMaxPageIDForSiteInstance( 919a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance())) { 9205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Greater page IDs than we've ever seen before are new pages. We may or may 9215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // not have a pending entry for the page, and this may or may not be the 9225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // main frame. 9231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (ui::PageTransitionIsMainFrame(params.transition)) 9245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NEW_PAGE; 9255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When this is a new subframe navigation, we should have a committed page 9275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // for which it's a suframe in. This may not be the case when an iframe is 9285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigated on a popup navigated to about:blank (the iframe would be 9295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // written into the popup by script on the main page). For these cases, 9305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // there isn't any navigation stuff we can do, so just ignore it. 9315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!GetLastCommittedEntry()) 9325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NAV_IGNORE; 9335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Valid subframe navigation. 9355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NEW_SUBFRAME; 9365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 938c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // We only clear the session history when navigating to a new page. 939c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!params.history_list_was_cleared); 940c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 9415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Now we know that the notification is for an existing page. Find that entry. 9425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int existing_entry_index = GetEntryIndexWithPageID( 943a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), 9445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.page_id); 9455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_entry_index == -1) { 9465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The page was not found. It could have been pruned because of the limit on 9475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // back/forward entries (not likely since we'll usually tell it to navigate 9485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to such entries). It could also mean that the renderer is smoking crack. 9495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 9505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Because the unknown entry has committed, we risk showing the wrong URL in 9525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // release builds. Instead, we'll kill the renderer process to be safe. 9535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LOG(ERROR) << "terminating renderer for bad navigation: " << params.url; 9545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordAction(base::UserMetricsAction("BadMessageTerminate_NC")); 9555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Temporary code so we can get more information. Format: 9575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://url/foo.html#page1#max3#frame1#ids:2_Nx,1_1x,3_2 9585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) std::string temp = params.url.spec(); 9595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#page"); 9605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(base::IntToString(params.page_id)); 9615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#max"); 9621e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) temp.append(base::IntToString(delegate_->GetMaxPageID())); 9635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#frame"); 964a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) temp.append(base::IntToString(rfh->GetRoutingID())); 9655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("#ids"); 9665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < static_cast<int>(entries_.size()); ++i) { 9675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Append entry metadata (e.g., 3_7x): 9685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 3: page_id 9695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 7: SiteInstance ID, or N for null 9705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // x: appended if not from the current SiteInstance 9715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(base::IntToString(entries_[i]->GetPageID())); 9725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("_"); 9735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entries_[i]->site_instance()) 9745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(base::IntToString(entries_[i]->site_instance()->GetId())); 9755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 9765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("N"); 977a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (entries_[i]->site_instance() != rfh->GetSiteInstance()) 9785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append("x"); 9795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) temp.append(","); 9805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL url(temp); 982a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<RenderFrameHostImpl*>(rfh)->render_view_host()->Send( 9835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) new ViewMsg_TempCrashWithData(url)); 9845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_NAV_IGNORE; 9855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* existing_entry = entries_[existing_entry_index].get(); 9875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9881320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!ui::PageTransitionIsMainFrame(params.transition)) { 9895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // All manual subframes would get new IDs and were handled above, so we 9905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // know this is auto. Since the current page was found in the navigation 9915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry list, we're guaranteed to have a last committed entry. 9925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetLastCommittedEntry()); 9935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_AUTO_SUBFRAME; 9945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Anything below here we know is a main frame navigation. 9975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_ && 998868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) !pending_entry_->is_renderer_initiated() && 9995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry != pending_entry_ && 10005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->GetPageID() == -1 && 10015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry == GetLastCommittedEntry()) { 10025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // In this case, we have a pending entry for a URL but WebCore didn't do a 10035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // new navigation. This happens when you press enter in the URL bar to 10045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // reload. We will create a pending entry, but WebKit will convert it to 10055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a reload since it's the same page and not create a new entry for it 10065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (the user doesn't want to have a new back/forward entry when they do 10075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // this). If this matches the last committed entry, we want to just ignore 10085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the pending entry and go back to where we were (the "existing entry"). 10095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_SAME_PAGE; 10105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Any toplevel navigations with the same base (minus the reference fragment) 10135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are in-page navigations. We weeded out subframe navigations above. Most of 10145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the time this doesn't matter since WebKit doesn't tell us about subframe 10155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigations that don't actually navigate, but it can happen when there is 10165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an encoding override (it always sends a navigation request). 10175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (AreURLsInPageNavigation(existing_entry->GetURL(), params.url, 1018116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch params.was_within_same_page, rfh)) { 10195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_IN_PAGE; 10205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Since we weeded out "new" navigations above, we know this is an existing 10235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (back/forward) navigation. 10245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NAVIGATION_TYPE_EXISTING_PAGE; 10255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateToNewPage( 1028a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 10295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params, 10305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool replace_entry) { 10315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* new_entry; 10325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool update_virtual_url; 10332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Only make a copy of the pending entry if it is appropriate for the new page 10342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // that was just loaded. We verify this at a coarse grain by checking that 10352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // the SiteInstance hasn't been assigned to something else. 10362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (pending_entry_ && 10372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (!pending_entry_->site_instance() || 1038a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) pending_entry_->site_instance() == rfh->GetSiteInstance())) { 10395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry = new NavigationEntryImpl(*pending_entry_); 10405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Don't use the page type from the pending entry. Some interstitial page 10425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // may have set the type to interstitial. Once we commit, however, the page 10435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // type must always be normal. 10445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->set_page_type(PAGE_TYPE_NORMAL); 10455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) update_virtual_url = new_entry->update_virtual_url_with_url(); 10465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 10475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry = new NavigationEntryImpl; 10485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Find out whether the new entry needs to update its virtual URL on URL 10505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // change and set up the entry accordingly. This is needed to correctly 10515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // update the virtual URL when replaceState is called after a pushState. 10525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GURL url = params.url; 10535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool needs_update = false; 10545f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) BrowserURLHandlerImpl::GetInstance()->RewriteURLIfNecessary( 10555f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) &url, browser_context_, &needs_update); 10565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->set_update_virtual_url_with_url(needs_update); 10575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When navigating to a new page, give the browser URL handler a chance to 10595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // update the virtual URL based on the new URL. For example, this is needed 10605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to show chrome://bookmarks/#1 when the bookmarks webui extension changes 10615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // the URL. 10625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) update_virtual_url = needs_update; 10635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10651320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (params.url_is_unreachable) 10661320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci new_entry->set_page_type(PAGE_TYPE_ERROR); 10675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetURL(params.url); 10685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (update_virtual_url) 10695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(new_entry, params.url); 10705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetReferrer(params.referrer); 10715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetPageID(params.page_id); 10725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetTransitionType(params.transition); 10735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->set_site_instance( 1074a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance())); 10755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetHasPostData(params.is_post); 10765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetPostID(params.post_id); 10775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetOriginalRequestURL(params.original_request_url); 10785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetIsOverridingUserAgent(params.is_overriding_user_agent); 10795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 108046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // history.pushState() is classified as a navigation to a new page, but 108146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // sets was_within_same_page to true. In this case, we already have the 10826e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) // title and favicon available, so set them immediately. 10836e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) if (params.was_within_same_page && GetLastCommittedEntry()) { 108446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) new_entry->SetTitle(GetLastCommittedEntry()->GetTitle()); 10856e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) new_entry->GetFavicon() = GetLastCommittedEntry()->GetFavicon(); 10866e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) } 108746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 1088c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DCHECK(!params.history_list_was_cleared || !replace_entry); 1089c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // The browser requested to clear the session history when it initiated the 1090c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // navigation. Now we know that the renderer has updated its state accordingly 1091c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // and it is safe to also clear the browser side history. 1092c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (params.history_list_was_cleared) { 1093c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 1094c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) entries_.clear(); 1095c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) last_committed_entry_index_ = -1; 1096c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 1097c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 10985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertOrReplaceEntry(new_entry, replace_entry); 10995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateToExistingPage( 1102a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 11045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We should only get here for main frame navigations. 11051320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci DCHECK(ui::PageTransitionIsMainFrame(params.transition)); 11065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is a back/forward navigation. The existing page for the ID is 11085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // guaranteed to exist by ClassifyNavigation, and we just need to update it 11095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // with new information from the renderer. 1110a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) int entry_index = GetEntryIndexWithPageID(rfh->GetSiteInstance(), 11115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.page_id); 11125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entry_index >= 0 && 11135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry_index < static_cast<int>(entries_.size())); 11145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* entry = entries_[entry_index].get(); 11155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The URL may have changed due to redirects. 11175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetURL(params.url); 11185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) entry->SetReferrer(params.referrer); 11195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry->update_virtual_url_with_url()) 11205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(entry, params.url); 11215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The redirected to page should not inherit the favicon from the previous 11235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // page. 11241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (ui::PageTransitionIsRedirect(params.transition)) 11255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->GetFavicon() = FaviconStatus(); 11265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The site instance will normally be the same except during session restore, 11285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // when no site instance will be assigned. 11295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(entry->site_instance() == NULL || 1130a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) entry->site_instance() == rfh->GetSiteInstance()); 11315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_site_instance( 1132a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) static_cast<SiteInstanceImpl*>(rfh->GetSiteInstance())); 11335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetHasPostData(params.is_post); 11355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->SetPostID(params.post_id); 11365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The entry we found in the list might be pending if the user hit 11385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // back/forward/reload. This load should commit it (since it's already in the 11395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // list, we can just discard the pending pointer). We should also discard the 11405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pending entry if it corresponds to a different navigation, since that one 11415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // is now likely canceled. If it is not canceled, we will treat it as a new 11425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation when it arrives, which is also ok. 11435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 11445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Note that we need to use the "internal" version since we don't want to 11455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // actually change any other state, just kill the pointer. 11462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 11475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a transient entry was removed, the indices might have changed, so we 11495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // have to query the entry index again. 11505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = 1151a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id); 11525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateToSamePage( 1155a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 11575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This mode implies we have a pending entry that's the same as an existing 11585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry for this page ID. This entry is guaranteed to exist by 11595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ClassifyNavigation. All we need to do is update the existing entry. 11605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* existing_entry = GetEntryWithPageID( 1161a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), params.page_id); 11625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We assign the entry's unique ID to be that of the new one. Since this is 11645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // always the result of a user action, we want to dismiss infobars, etc. like 11655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a regular user-initiated navigation. 11665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry->set_unique_id(pending_entry_->GetUniqueID()); 11675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The URL may have changed due to redirects. 11695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_entry->update_virtual_url_with_url()) 11705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(existing_entry, params.url); 11715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry->SetURL(params.url); 11725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) existing_entry->SetReferrer(params.referrer); 11735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 11745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The page may have been requested with a different HTTP method. 11755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) existing_entry->SetHasPostData(params.is_post); 11765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) existing_entry->SetPostID(params.post_id); 11775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 11795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateInPage( 1182a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 11835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params, 11845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool* did_replace_entry) { 11851320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci DCHECK(ui::PageTransitionIsMainFrame(params.transition)) << 11865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) "WebKit should only tell us about in-page navs for the main frame."; 11875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We're guaranteed to have an entry for this one. 11885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* existing_entry = GetEntryWithPageID( 1189a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), params.page_id); 11905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Reference fragment navigation. We're guaranteed to have the last_committed 11925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry and it will be the same page as the new navigation (minus the 11935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // reference fragments, of course). We'll update the URL of the existing 11945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry without pruning the forward history. 11955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) existing_entry->SetURL(params.url); 11965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (existing_entry->update_virtual_url_with_url()) 11975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UpdateVirtualURLToURL(existing_entry, params.url); 11985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 119946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) existing_entry->SetHasPostData(params.is_post); 120046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) existing_entry->SetPostID(params.post_id); 120146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 12025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This replaces the existing entry since the page ID didn't change. 12035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *did_replace_entry = true; 12045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 12065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If a transient entry was removed, the indices might have changed, so we 12085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // have to query the entry index again. 12095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = 1210a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) GetEntryIndexWithPageID(rfh->GetSiteInstance(), params.page_id); 12115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RendererDidNavigateNewSubframe( 1214a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 12155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 12161320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (ui::PageTransitionCoreTypeIs(params.transition, 12171320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PAGE_TRANSITION_AUTO_SUBFRAME)) { 12185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is not user-initiated. Ignore. 12192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 12205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 12215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Manual subframe navigations just get the current entry cloned so the user 12245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can go back or forward to it. The actual subframe information will be 12255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // stored in the page state for each of those entries. This happens out of 12265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // band with the actual navigations. 12275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetLastCommittedEntry()) << "ClassifyNavigation should guarantee " 12285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) << "that a last committed entry exists."; 12295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* new_entry = new NavigationEntryImpl( 12305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry())); 12315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new_entry->SetPageID(params.page_id); 12325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertOrReplaceEntry(new_entry, false); 12335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::RendererDidNavigateAutoSubframe( 1236a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) RenderFrameHost* rfh, 12375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const FrameHostMsg_DidCommitProvisionalLoad_Params& params) { 12385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We're guaranteed to have a previously committed entry, and we now need to 12395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // handle navigation inside of a subframe in it without creating a new entry. 12405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetLastCommittedEntry()); 12415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Handle the case where we're navigating back/forward to a previous subframe 12435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation entry. This is case "2." in NAV_AUTO_SUBFRAME comment in the 12445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // header file. In case "1." this will be a NOP. 12455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int entry_index = GetEntryIndexWithPageID( 1246a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) rfh->GetSiteInstance(), 12475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) params.page_id); 12485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry_index < 0 || 12495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry_index >= static_cast<int>(entries_.size())) { 12505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 12515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 12525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Update the current navigation entry in case we're going back/forward. 12555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entry_index != last_committed_entry_index_) { 12565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = entry_index; 12572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardNonCommittedEntriesInternal(); 12585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 12595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 12602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 12612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We do not need to discard the pending entry in this case, since we will 12622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // not generate commit notifications for this auto-subframe navigation. 12635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 12645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetIndexOfEntry( 12675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationEntryImpl* entry) const { 12685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationEntries::const_iterator i(std::find( 12695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.begin(), 12705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.end(), 12715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry)); 12725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return (i == entries_.end()) ? -1 : static_cast<int>(i - entries_.begin()); 12735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::IsURLInPageNavigation( 1276bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch const GURL& url, 1277bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch bool renderer_says_in_page, 1278116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch RenderFrameHost* rfh) const { 12795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntry* last_committed = GetLastCommittedEntry(); 12805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return last_committed && AreURLsInPageNavigation( 1281116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch last_committed->GetURL(), url, renderer_says_in_page, rfh); 12825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::CopyStateFrom( 12855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationController& temp) { 12865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationControllerImpl& source = 12875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<const NavigationControllerImpl&>(temp); 12885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Verify that we look new. 12895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(GetEntryCount() == 0 && !GetPendingEntry()); 12905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (source.GetEntryCount() == 0) 12925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; // Nothing new to do. 12935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = true; 12955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertEntriesFrom(source, source.GetEntryCount()); 12965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1297ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch for (SessionStorageNamespaceMap::const_iterator it = 1298ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch source.session_storage_namespace_map_.begin(); 1299ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch it != source.session_storage_namespace_map_.end(); 1300ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch ++it) { 1301ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch SessionStorageNamespaceImpl* source_namespace = 1302ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch static_cast<SessionStorageNamespaceImpl*>(it->second.get()); 1303ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace_map_[it->first] = source_namespace->Clone(); 1304ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch } 13055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FinishRestore(source.last_committed_entry_index_, RESTORE_CURRENT_SESSION); 13075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the max page id map from the old tab to the new tab. This ensures 13095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that new and existing navigations in the tab's current SiteInstances 13105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are identified properly. 13111e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->CopyMaxPageIDsFrom(source.delegate()->GetWebContents()); 13125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::CopyStateFromAndPrune( 13155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) NavigationController* temp, 13165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) bool replace_entry) { 1317868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // It is up to callers to check the invariants before calling this. 1318f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) CHECK(CanPruneAllButLastCommitted()); 1319868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 13205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationControllerImpl* source = 13215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<NavigationControllerImpl*>(temp); 13225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The SiteInstance and page_id of the last committed entry needs to be 13235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // remembered at this point, in case there is only one committed entry 13245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and it is pruned. We use a scoped_refptr to ensure the SiteInstance 13255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can't be freed during this time period. 13265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl* last_committed = 13275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetLastCommittedEntry()); 13285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_refptr<SiteInstance> site_instance( 1329868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) last_committed->site_instance()); 1330868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int32 minimum_page_id = last_committed->GetPageID(); 1331868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int32 max_page_id = 13321e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetMaxPageIDForSiteInstance(site_instance.get()); 13335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Remove all the entries leaving the active entry. 1335f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) PruneAllButLastCommittedInternal(); 13365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1337868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We now have one entry, possibly with a new pending entry. Ensure that 1338868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // adding the entries from source won't put us over the limit. 1339868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DCHECK_EQ(1, GetEntryCount()); 13405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!replace_entry) 13415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) source->PruneOldestEntryIfFull(); 13425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Insert the entries from source. Don't use source->GetCurrentEntryIndex as 1344868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // we don't want to copy over the transient entry. Ignore any pending entry, 1345868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // since it has not committed in source. 1346868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) int max_source_index = source->last_committed_entry_index_; 13475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_source_index == -1) 13485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_source_index = source->GetEntryCount(); 13495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 13505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_source_index++; 13515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Ignore the source's current entry if merging with replacement. 13535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(davidben): This should preserve entries forward of the current 13545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // too. http://crbug.com/317872 13555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (replace_entry && max_source_index > 0) 13565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) max_source_index--; 13575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 13585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InsertEntriesFrom(*source, max_source_index); 13595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Adjust indices such that the last entry and pending are at the end now. 13615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = GetEntryCount() - 1; 13625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13631e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->SetHistoryLengthAndPrune(site_instance.get(), 13641e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) max_source_index, 13651e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) minimum_page_id); 13665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the max page id map from the old tab to the new tab. This ensures 13685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that new and existing navigations in the tab's current SiteInstances 13695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // are identified properly. 13701e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->CopyMaxPageIDsFrom(source->delegate()->GetWebContents()); 13715c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu max_restored_page_id_ = source->max_restored_page_id_; 13725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there is a last committed entry, be sure to include it in the new 13745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // max page ID map. 13755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_page_id > -1) { 13761e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->UpdateMaxPageIDForSiteInstance(site_instance.get(), 13771e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) max_page_id); 13785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 13795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 13805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1381f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)bool NavigationControllerImpl::CanPruneAllButLastCommitted() { 1382868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // If there is no last committed entry, we cannot prune. Even if there is a 1383868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // pending entry, it may not commit, leaving this WebContents blank, despite 1384868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // possibly giving it new entries via CopyStateFromAndPrune. 1385868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (last_committed_entry_index_ == -1) 1386868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 13872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1388868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We cannot prune if there is a pending entry at an existing entry index. 1389868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // It may not commit, so we have to keep the last committed entry, and thus 1390868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // there is no sensible place to keep the pending entry. It is ok to have 1391868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // a new pending entry, which can optionally commit as a new navigation. 1392868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (pending_entry_index_ != -1) 1393868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 1394868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1395868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We should not prune if we are currently showing a transient entry. 1396868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) if (transient_entry_index_ != -1) 1397868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return false; 1398868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1399868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) return true; 1400868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)} 1401868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1402f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void NavigationControllerImpl::PruneAllButLastCommitted() { 1403f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) PruneAllButLastCommittedInternal(); 1404868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 1405868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // We should still have a last committed entry. 1406868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) DCHECK_NE(-1, last_committed_entry_index_); 14072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We pass 0 instead of GetEntryCount() for the history_length parameter of 14092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // SetHistoryLengthAndPrune, because it will create history_length additional 14102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // history entries. 14112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(jochen): This API is confusing and we should clean it up. 14122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // http://crbug.com/178491 14134e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl* entry = 14144e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(GetVisibleEntry()); 14151e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->SetHistoryLengthAndPrune( 14162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entry->site_instance(), 0, entry->GetPageID()); 14172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 14182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1419f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void NavigationControllerImpl::PruneAllButLastCommittedInternal() { 1420868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // It is up to callers to check the invariants before calling this. 1421f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) CHECK(CanPruneAllButLastCommitted()); 14225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1423868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // Erase all entries but the last committed entry. There may still be a 1424868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) // new pending entry after this. 1425868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entries_.erase(entries_.begin(), 1426868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entries_.begin() + last_committed_entry_index_); 1427868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) entries_.erase(entries_.begin() + 1, entries_.end()); 1428868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) last_committed_entry_index_ = 0; 14295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NavigationControllerImpl::ClearAllScreenshots() { 1432c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) screenshot_manager_->ClearAllScreenshots(); 14332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 14342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 14355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetSessionStorageNamespace( 1436ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch const std::string& partition_id, 14375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SessionStorageNamespace* session_storage_namespace) { 14385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!session_storage_namespace) 14395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 14405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We can't overwrite an existing SessionStorage without violating spec. 14425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Attempts to do so may give a tab access to another tab's session storage 14435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // so die hard on an error. 1444ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch bool successful_insert = session_storage_namespace_map_.insert( 1445ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch make_pair(partition_id, 1446ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch static_cast<SessionStorageNamespaceImpl*>( 1447ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace))) 1448ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch .second; 1449ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch CHECK(successful_insert) << "Cannot replace existing SessionStorageNamespace"; 14505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetMaxRestoredPageID(int32 max_id) { 14535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) max_restored_page_id_ = max_id; 14545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int32 NavigationControllerImpl::GetMaxRestoredPageID() const { 14575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return max_restored_page_id_; 14585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 14595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 14600529e5d033099cbfc42635f6f6183833b09dff6eBen Murdochbool NavigationControllerImpl::IsUnmodifiedBlankTab() const { 14610529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch return IsInitialNavigation() && 14625c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu !GetLastCommittedEntry() && 14635c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu !delegate_->HasAccessedInitialDocument(); 14640529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch} 14650529e5d033099cbfc42635f6f6183833b09dff6eBen Murdoch 14665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)SessionStorageNamespace* 1467ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochNavigationControllerImpl::GetSessionStorageNamespace(SiteInstance* instance) { 1468ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch std::string partition_id; 1469ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (instance) { 1470ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // TODO(ajwong): When GetDefaultSessionStorageNamespace() goes away, remove 1471ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // this if statement so |instance| must not be NULL. 1472ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch partition_id = 1473ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch GetContentClient()->browser()->GetStoragePartitionIdForSite( 1474ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch browser_context_, instance->GetSiteURL()); 1475ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch } 1476ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1477ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch SessionStorageNamespaceMap::const_iterator it = 1478ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace_map_.find(partition_id); 1479ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch if (it != session_storage_namespace_map_.end()) 1480ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return it->second.get(); 1481ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1482ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // Create one if no one has accessed session storage for this partition yet. 1483ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // 1484ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // TODO(ajwong): Should this use the |partition_id| directly rather than 1485ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // re-lookup via |instance|? http://crbug.com/142685 1486ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch StoragePartition* partition = 1487ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch BrowserContext::GetStoragePartition(browser_context_, instance); 1488ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch SessionStorageNamespaceImpl* session_storage_namespace = 1489ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch new SessionStorageNamespaceImpl( 1490bb1529ce867d8845a77ec7cdf3e3003ef1771a40Ben Murdoch static_cast<DOMStorageContextWrapper*>( 1491ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch partition->GetDOMStorageContext())); 1492ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch session_storage_namespace_map_[partition_id] = session_storage_namespace; 1493ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1494ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return session_storage_namespace; 1495ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch} 1496ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1497ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochSessionStorageNamespace* 1498ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochNavigationControllerImpl::GetDefaultSessionStorageNamespace() { 1499ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch // TODO(ajwong): Remove if statement in GetSessionStorageNamespace(). 1500ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return GetSessionStorageNamespace(NULL); 1501ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch} 1502ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch 1503ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdochconst SessionStorageNamespaceMap& 1504ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben MurdochNavigationControllerImpl::GetSessionStorageNamespaceMap() const { 1505ca12bfac764ba476d6cd062bf1dde12cc64c3f40Ben Murdoch return session_storage_namespace_map_; 15065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NavigationControllerImpl::NeedsReload() const { 15095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return needs_reload_; 15105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15124e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)void NavigationControllerImpl::SetNeedsReload() { 15134e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) needs_reload_ = true; 15144e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)} 15154e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 15165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::RemoveEntryAtIndexInternal(int index) { 15175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(index < GetEntryCount()); 15185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(index != last_committed_entry_index_); 15195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 15215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.erase(entries_.begin() + index); 15235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_committed_entry_index_ > index) 15245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_--; 15255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::DiscardNonCommittedEntries() { 15285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool transient = transient_entry_index_ != -1; 15295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 15305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there was a transient entry, invalidate everything so the new active 15325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // entry state is shown. 15335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient) { 15346e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL); 15355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetPendingEntry() const { 15395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_; 15405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetPendingEntryIndex() const { 15435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return pending_entry_index_; 15445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::InsertOrReplaceEntry(NavigationEntryImpl* entry, 15475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool replace) { 15481320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci DCHECK(entry->GetTransitionType() != ui::PAGE_TRANSITION_AUTO_SUBFRAME); 15495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the pending entry's unique ID to the committed entry. 15515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // I don't know if pending_entry_index_ can be other than -1 here. 15525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationEntryImpl* const pending_entry = 15535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (pending_entry_index_ == -1) ? 15545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ : entries_[pending_entry_index_].get(); 15555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry) 15565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entry->set_unique_id(pending_entry->GetUniqueID()); 15575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntriesInternal(); 15595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int current_size = static_cast<int>(entries_.size()); 15615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (current_size > 0) { 15635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Prune any entries which are in front of the current entry. 15645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Also prune the current entry if we are to replace the current entry. 15655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // last_committed_entry_index_ must be updated here since calls to 15665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NotifyPrunedEntries() below may re-enter and we must make sure 15675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // last_committed_entry_index_ is not left in an invalid state. 15685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (replace) 15695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) --last_committed_entry_index_; 15705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int num_pruned = 0; 15725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) while (last_committed_entry_index_ < (current_size - 1)) { 15735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) num_pruned++; 15745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.pop_back(); 15755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) current_size--; 15765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (num_pruned > 0) // Only notify if we did prune something. 15785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotifyPrunedEntries(this, false, num_pruned); 15795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PruneOldestEntryIfFull(); 15825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.push_back(linked_ptr<NavigationEntryImpl>(entry)); 15845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = static_cast<int>(entries_.size()) - 1; 15855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is a new page ID, so we need everybody to know about it. 15871e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->UpdateMaxPageID(entry->GetPageID()); 15885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::PruneOldestEntryIfFull() { 15915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (entries_.size() >= max_entry_count()) { 15925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(max_entry_count(), entries_.size()); 1593a93a17c8d99d686bd4a1511e5504e5e6cc9fcadfTorne (Richard Coles) DCHECK_GT(last_committed_entry_index_, 0); 15945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RemoveEntryAtIndex(0); 15955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotifyPrunedEntries(this, true, 1); 15965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 15975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 15985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 15995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) { 16005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) needs_reload_ = false; 16015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we were navigating to a slow-to-commit page, and the user performs 16035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // a session history navigation to the last committed page, RenderViewHost 16045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // will force the throbber to start, but WebKit will essentially ignore the 16055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation, and won't send a message to stop the throbber. To prevent this 16065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // from happening, we drop the navigation here and stop the slow-to-commit 16075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // page from loading (which would normally happen during the navigation). 16085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_index_ != -1 && 16095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ == last_committed_entry_index_ && 16105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (entries_[pending_entry_index_]->restore_type() == 16115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigationEntryImpl::RESTORE_NONE) && 16125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (entries_[pending_entry_index_]->GetTransitionType() & 16131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci ui::PAGE_TRANSITION_FORWARD_BACK)) { 16141e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->Stop(); 16155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If an interstitial page is showing, we want to close it to get back 16175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to what was showing before. 16181e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (delegate_->GetInterstitialPage()) 16191e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetInterstitialPage()->DontProceed(); 16205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 16225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 16235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If an interstitial page is showing, the previous renderer is blocked and 16265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cannot make new requests. Unblock (and disable) it to allow this 16275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // navigation to succeed. The interstitial will stay visible until the 16285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // resulting DidNavigate. 16291e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) if (delegate_->GetInterstitialPage()) { 16301e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) static_cast<InterstitialPageImpl*>(delegate_->GetInterstitialPage())-> 16315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CancelForNavigation(); 16325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For session history navigations only the pending_entry_index_ is set. 16355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!pending_entry_) { 16365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_NE(pending_entry_index_, -1); 16375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = entries_[pending_entry_index_].get(); 16385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1640a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // This call does not support re-entrancy. See http://crbug.com/347742. 1641a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) CHECK(!in_navigate_to_pending_entry_); 1642a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_navigate_to_pending_entry_ = true; 1643a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) bool success = delegate_->NavigateToPendingEntry(reload_type); 1644a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) in_navigate_to_pending_entry_ = false; 1645a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 1646a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!success) 16475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DiscardNonCommittedEntries(); 16485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the entry is being restored and doesn't have a SiteInstance yet, fill 16505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // it in now that we know. This allows us to find the entry when it commits. 16515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_ && !pending_entry_->site_instance() && 16525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->restore_type() != NavigationEntryImpl::RESTORE_NONE) { 16535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->set_site_instance(static_cast<SiteInstanceImpl*>( 16541e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->GetPendingSiteInstance())); 16555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_->set_restore_type(NavigationEntryImpl::RESTORE_NONE); 16565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 16575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::NotifyNavigationEntryCommitted( 16605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadCommittedDetails* details) { 16614e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) details->entry = GetLastCommittedEntry(); 16625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We need to notify the ssl_manager_ before the web_contents_ so the 16645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // location bar will have up-to-date information about the security style 16655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // when it wants to draw. See http://crbug.com/11157 166658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) ssl_manager_.DidCommitProvisionalLoad(*details); 16675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16686e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL); 16691e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) delegate_->NotifyNavigationEntryCommitted(*details); 1670868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles) 167158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // TODO(avi): Remove. http://crbug.com/170921 167258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) NotificationDetails notification_details = 167358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) Details<LoadCommittedDetails>(details); 16745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 16755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_ENTRY_COMMITTED, 16765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(this), 16775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) notification_details); 16785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 16815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)size_t NavigationControllerImpl::max_entry_count() { 16825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (max_entry_count_for_testing_ != kMaxEntryCountForTestingNotSet) 16835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return max_entry_count_for_testing_; 16845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return kMaxSessionHistoryEntries; 16855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetActive(bool is_active) { 16885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (is_active && needs_reload_) 16895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LoadIfNecessary(); 16905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 16915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::LoadIfNecessary() { 16935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!needs_reload_) 16945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 16955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Calling Reload() results in ignoring state, and not loading. 16975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Explicitly use NavigateToPendingEntry so that the renderer uses the 16985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // cached state. 16995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = last_committed_entry_index_; 17005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NavigateToPendingEntry(NO_RELOAD); 17015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::NotifyEntryChanged(const NavigationEntry* entry, 17045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int index) { 17055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EntryChangedDetails det; 17065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) det.changed_entry = entry; 17075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) det.index = index; 17085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NotificationService::current()->Notify( 17095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTIFICATION_NAV_ENTRY_CHANGED, 17105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Source<NavigationController>(this), 17115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Details<EntryChangedDetails>(&det)); 17125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::FinishRestore(int selected_index, 17155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RestoreType type) { 17165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(selected_index >= 0 && selected_index < GetEntryCount()); 17175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ConfigureEntriesForRestore(&entries_, type); 17185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetMaxRestoredPageID(static_cast<int32>(GetEntryCount())); 17205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_ = selected_index; 17225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::DiscardNonCommittedEntriesInternal() { 172558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DiscardPendingEntry(); 172658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DiscardTransientEntry(); 172758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 172858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 172958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)void NavigationControllerImpl::DiscardPendingEntry() { 1730a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // It is not safe to call DiscardPendingEntry while NavigateToEntry is in 1731a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // progress, since this will cause a use-after-free. (We only allow this 1732a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // when the tab is being destroyed for shutdown, since it won't return to 1733a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch // NavigateToEntry in that case.) http://crbug.com/347742. 1734a02191e04bc25c4935f804f2c080ae28663d096dBen Murdoch CHECK(!in_navigate_to_pending_entry_ || delegate_->IsBeingDestroyed()); 1735a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 17365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (pending_entry_index_ == -1) 17375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delete pending_entry_; 17385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_ = NULL; 17395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_entry_index_ = -1; 17405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::DiscardTransientEntry() { 17435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ == -1) 17445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 17455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.erase(entries_.begin() + transient_entry_index_); 17465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (last_committed_entry_index_ > transient_entry_index_) 17475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) last_committed_entry_index_--; 17485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) transient_entry_index_ = -1; 17495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)int NavigationControllerImpl::GetEntryIndexWithPageID( 17525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SiteInstance* instance, int32 page_id) const { 17535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = static_cast<int>(entries_.size()) - 1; i >= 0; --i) { 17545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((entries_[i]->site_instance() == instance) && 17555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (entries_[i]->GetPageID() == page_id)) 17565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return i; 17575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return -1; 17595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NavigationEntry* NavigationControllerImpl::GetTransientEntry() const { 17625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (transient_entry_index_ == -1) 17635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 17645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return entries_[transient_entry_index_].get(); 17655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void NavigationControllerImpl::SetTransientEntry(NavigationEntry* entry) { 17682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Discard any current transient entry, we can only have one at a time. 17692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) int index = 0; 17702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (last_committed_entry_index_ != -1) 17712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) index = last_committed_entry_index_ + 1; 17722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DiscardTransientEntry(); 17732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entries_.insert( 17742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) entries_.begin() + index, linked_ptr<NavigationEntryImpl>( 17752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NavigationEntryImpl::FromNavigationEntry(entry))); 17762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) transient_entry_index_ = index; 17776e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) delegate_->NotifyNavigationStateChanged(INVALIDATE_TYPE_ALL); 17782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 17792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 17805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::InsertEntriesFrom( 17815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const NavigationControllerImpl& source, 17825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int max_index) { 17835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_LE(max_index, source.GetEntryCount()); 17845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t insert_index = 0; 17855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < max_index; i++) { 17865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // When cloning a tab, copy all entries except interstitial pages 17875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (source.entries_[i].get()->GetPageType() != 17885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PAGE_TYPE_INTERSTITIAL) { 17895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) entries_.insert(entries_.begin() + insert_index++, 17905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) linked_ptr<NavigationEntryImpl>( 17915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new NavigationEntryImpl(*source.entries_[i]))); 17925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 17945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 17955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 17965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void NavigationControllerImpl::SetGetTimestampCallbackForTest( 17975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const base::Callback<base::Time()>& get_timestamp_callback) { 17985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) get_timestamp_callback_ = get_timestamp_callback; 17995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 18005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 1802