| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/frame_host/navigator_impl.h" |
| |
| #include "base/command_line.h" |
| #include "base/metrics/histogram.h" |
| #include "base/time/time.h" |
| #include "content/browser/frame_host/frame_tree.h" |
| #include "content/browser/frame_host/frame_tree_node.h" |
| #include "content/browser/frame_host/navigation_controller_impl.h" |
| #include "content/browser/frame_host/navigation_entry_impl.h" |
| #include "content/browser/frame_host/navigation_request.h" |
| #include "content/browser/frame_host/navigation_request_info.h" |
| #include "content/browser/frame_host/navigator_delegate.h" |
| #include "content/browser/frame_host/render_frame_host_impl.h" |
| #include "content/browser/renderer_host/render_view_host_impl.h" |
| #include "content/browser/site_instance_impl.h" |
| #include "content/browser/webui/web_ui_controller_factory_registry.h" |
| #include "content/browser/webui/web_ui_impl.h" |
| #include "content/common/frame_messages.h" |
| #include "content/common/navigation_params.h" |
| #include "content/common/view_messages.h" |
| #include "content/public/browser/browser_context.h" |
| #include "content/public/browser/content_browser_client.h" |
| #include "content/public/browser/global_request_id.h" |
| #include "content/public/browser/invalidate_type.h" |
| #include "content/public/browser/navigation_controller.h" |
| #include "content/public/browser/navigation_details.h" |
| #include "content/public/browser/page_navigator.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/browser/stream_handle.h" |
| #include "content/public/browser/user_metrics.h" |
| #include "content/public/common/bindings_policy.h" |
| #include "content/public/common/content_client.h" |
| #include "content/public/common/content_switches.h" |
| #include "content/public/common/resource_response.h" |
| #include "content/public/common/url_constants.h" |
| #include "content/public/common/url_utils.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| FrameMsg_Navigate_Type::Value GetNavigationType( |
| BrowserContext* browser_context, const NavigationEntryImpl& entry, |
| NavigationController::ReloadType reload_type) { |
| switch (reload_type) { |
| case NavigationControllerImpl::RELOAD: |
| return FrameMsg_Navigate_Type::RELOAD; |
| case NavigationControllerImpl::RELOAD_IGNORING_CACHE: |
| return FrameMsg_Navigate_Type::RELOAD_IGNORING_CACHE; |
| case NavigationControllerImpl::RELOAD_ORIGINAL_REQUEST_URL: |
| return FrameMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL; |
| case NavigationControllerImpl::NO_RELOAD: |
| break; // Fall through to rest of function. |
| } |
| |
| // |RenderViewImpl::PopulateStateFromPendingNavigationParams| differentiates |
| // between |RESTORE_WITH_POST| and |RESTORE|. |
| if (entry.restore_type() == |
| NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY) { |
| if (entry.GetHasPostData()) |
| return FrameMsg_Navigate_Type::RESTORE_WITH_POST; |
| return FrameMsg_Navigate_Type::RESTORE; |
| } |
| |
| return FrameMsg_Navigate_Type::NORMAL; |
| } |
| |
| RenderFrameHostManager* GetRenderManager(RenderFrameHostImpl* rfh) { |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kSitePerProcess)) |
| return rfh->frame_tree_node()->render_manager(); |
| |
| return rfh->frame_tree_node()->frame_tree()->root()->render_manager(); |
| } |
| |
| void MakeNavigateParams(const NavigationEntryImpl& entry, |
| NavigationControllerImpl* controller, |
| NavigationController::ReloadType reload_type, |
| base::TimeTicks navigation_start, |
| FrameMsg_Navigate_Params* params) { |
| FrameMsg_UILoadMetricsReportType::Value report_type = |
| FrameMsg_UILoadMetricsReportType::NO_REPORT; |
| base::TimeTicks ui_timestamp = base::TimeTicks(); |
| #if defined(OS_ANDROID) |
| if (!entry.intent_received_timestamp().is_null()) |
| report_type = FrameMsg_UILoadMetricsReportType::REPORT_INTENT; |
| ui_timestamp = entry.intent_received_timestamp(); |
| #endif |
| |
| params->common_params = CommonNavigationParams( |
| entry.GetURL(), entry.GetReferrer(), entry.GetTransitionType(), |
| GetNavigationType(controller->GetBrowserContext(), entry, reload_type), |
| !entry.IsViewSourceMode(), ui_timestamp, report_type); |
| params->commit_params = CommitNavigationParams( |
| entry.GetPageState(), entry.GetIsOverridingUserAgent(), navigation_start); |
| params->is_post = entry.GetHasPostData(); |
| params->extra_headers = entry.extra_headers(); |
| if (entry.GetBrowserInitiatedPostData()) { |
| params->browser_initiated_post_data.assign( |
| entry.GetBrowserInitiatedPostData()->front(), |
| entry.GetBrowserInitiatedPostData()->front() + |
| entry.GetBrowserInitiatedPostData()->size()); |
| } |
| |
| if (!entry.GetBaseURLForDataURL().is_empty()) { |
| params->base_url_for_data_url = entry.GetBaseURLForDataURL(); |
| params->history_url_for_data_url = entry.GetVirtualURL(); |
| } |
| params->should_replace_current_entry = entry.should_replace_entry(); |
| // This is used by the old performance infrastructure to set up DocumentState |
| // associated with the RenderView. |
| // TODO(ppi): make it go away. |
| params->request_time = base::Time::Now(); |
| params->transferred_request_child_id = |
| entry.transferred_global_request_id().child_id; |
| params->transferred_request_request_id = |
| entry.transferred_global_request_id().request_id; |
| |
| params->page_id = entry.GetPageID(); |
| params->should_clear_history_list = entry.should_clear_history_list(); |
| if (entry.should_clear_history_list()) { |
| // Set the history list related parameters to the same values a |
| // NavigationController would return before its first navigation. This will |
| // fully clear the RenderView's view of the session history. |
| params->pending_history_list_offset = -1; |
| params->current_history_list_offset = -1; |
| params->current_history_list_length = 0; |
| } else { |
| params->pending_history_list_offset = controller->GetIndexOfEntry(&entry); |
| params->current_history_list_offset = |
| controller->GetLastCommittedEntryIndex(); |
| params->current_history_list_length = controller->GetEntryCount(); |
| } |
| // Set the redirect chain to the navigation's redirects, unless we are |
| // returning to a completed navigation (whose previous redirects don't apply). |
| if (ui::PageTransitionIsNewNavigation(params->common_params.transition)) { |
| params->redirects = entry.GetRedirectChain(); |
| } else { |
| params->redirects.clear(); |
| } |
| |
| params->can_load_local_resources = entry.GetCanLoadLocalResources(); |
| params->frame_to_navigate = entry.GetFrameToNavigate(); |
| } |
| |
| } // namespace |
| |
| struct NavigatorImpl::NavigationMetricsData { |
| NavigationMetricsData(base::TimeTicks start_time, |
| GURL url, |
| NavigationEntryImpl::RestoreType restore_type) |
| : start_time_(start_time), url_(url) { |
| is_restoring_from_last_session_ = |
| (restore_type == |
| NavigationEntryImpl::RESTORE_LAST_SESSION_EXITED_CLEANLY || |
| restore_type == NavigationEntryImpl::RESTORE_LAST_SESSION_CRASHED); |
| } |
| |
| base::TimeTicks start_time_; |
| GURL url_; |
| bool is_restoring_from_last_session_; |
| base::TimeTicks url_job_start_time_; |
| base::TimeDelta before_unload_delay_; |
| }; |
| |
| NavigatorImpl::NavigatorImpl( |
| NavigationControllerImpl* navigation_controller, |
| NavigatorDelegate* delegate) |
| : controller_(navigation_controller), |
| delegate_(delegate) { |
| } |
| |
| NavigatorImpl::~NavigatorImpl() {} |
| |
| NavigationController* NavigatorImpl::GetController() { |
| return controller_; |
| } |
| |
| void NavigatorImpl::DidStartProvisionalLoad( |
| RenderFrameHostImpl* render_frame_host, |
| const GURL& url, |
| bool is_transition_navigation) { |
| bool is_error_page = (url.spec() == kUnreachableWebDataURL); |
| bool is_iframe_srcdoc = (url.spec() == kAboutSrcDocURL); |
| GURL validated_url(url); |
| RenderProcessHost* render_process_host = render_frame_host->GetProcess(); |
| render_process_host->FilterURL(false, &validated_url); |
| |
| bool is_main_frame = render_frame_host->frame_tree_node()->IsMainFrame(); |
| NavigationEntryImpl* pending_entry = |
| NavigationEntryImpl::FromNavigationEntry(controller_->GetPendingEntry()); |
| if (is_main_frame) { |
| // If there is no browser-initiated pending entry for this navigation and it |
| // is not for the error URL, create a pending entry using the current |
| // SiteInstance, and ensure the address bar updates accordingly. We don't |
| // know the referrer or extra headers at this point, but the referrer will |
| // be set properly upon commit. |
| bool has_browser_initiated_pending_entry = pending_entry && |
| !pending_entry->is_renderer_initiated(); |
| if (!has_browser_initiated_pending_entry && !is_error_page) { |
| NavigationEntryImpl* entry = NavigationEntryImpl::FromNavigationEntry( |
| controller_->CreateNavigationEntry(validated_url, |
| content::Referrer(), |
| ui::PAGE_TRANSITION_LINK, |
| true /* is_renderer_initiated */, |
| std::string(), |
| controller_->GetBrowserContext())); |
| entry->set_site_instance(render_frame_host->GetSiteInstance()); |
| // TODO(creis): If there's a pending entry already, find a safe way to |
| // update it instead of replacing it and copying over things like this. |
| if (pending_entry) { |
| entry->set_transferred_global_request_id( |
| pending_entry->transferred_global_request_id()); |
| entry->set_should_replace_entry(pending_entry->should_replace_entry()); |
| entry->SetRedirectChain(pending_entry->GetRedirectChain()); |
| } |
| controller_->SetPendingEntry(entry); |
| if (delegate_) |
| delegate_->NotifyChangedNavigationState(content::INVALIDATE_TYPE_URL); |
| } |
| |
| if (delegate_ && is_transition_navigation) |
| delegate_->DidStartNavigationTransition(render_frame_host); |
| } |
| |
| if (delegate_) { |
| // Notify the observer about the start of the provisional load. |
| delegate_->DidStartProvisionalLoad( |
| render_frame_host, validated_url, is_error_page, is_iframe_srcdoc); |
| } |
| } |
| |
| |
| void NavigatorImpl::DidFailProvisionalLoadWithError( |
| RenderFrameHostImpl* render_frame_host, |
| const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params) { |
| VLOG(1) << "Failed Provisional Load: " << params.url.possibly_invalid_spec() |
| << ", error_code: " << params.error_code |
| << ", error_description: " << params.error_description |
| << ", showing_repost_interstitial: " << |
| params.showing_repost_interstitial |
| << ", frame_id: " << render_frame_host->GetRoutingID(); |
| GURL validated_url(params.url); |
| RenderProcessHost* render_process_host = render_frame_host->GetProcess(); |
| render_process_host->FilterURL(false, &validated_url); |
| |
| if (net::ERR_ABORTED == params.error_code) { |
| // EVIL HACK ALERT! Ignore failed loads when we're showing interstitials. |
| // This means that the interstitial won't be torn down properly, which is |
| // bad. But if we have an interstitial, go back to another tab type, and |
| // then load the same interstitial again, we could end up getting the first |
| // interstitial's "failed" message (as a result of the cancel) when we're on |
| // the second one. We can't tell this apart, so we think we're tearing down |
| // the current page which will cause a crash later on. |
| // |
| // http://code.google.com/p/chromium/issues/detail?id=2855 |
| // Because this will not tear down the interstitial properly, if "back" is |
| // back to another tab type, the interstitial will still be somewhat alive |
| // in the previous tab type. If you navigate somewhere that activates the |
| // tab with the interstitial again, you'll see a flash before the new load |
| // commits of the interstitial page. |
| FrameTreeNode* root = |
| render_frame_host->frame_tree_node()->frame_tree()->root(); |
| if (root->render_manager()->interstitial_page() != NULL) { |
| LOG(WARNING) << "Discarding message during interstitial."; |
| return; |
| } |
| |
| // We used to cancel the pending renderer here for cross-site downloads. |
| // However, it's not safe to do that because the download logic repeatedly |
| // looks for this WebContents based on a render ID. Instead, we just |
| // leave the pending renderer around until the next navigation event |
| // (Navigate, DidNavigate, etc), which will clean it up properly. |
| // |
| // TODO(creis): Find a way to cancel any pending RFH here. |
| } |
| |
| // We usually clear the pending entry when it fails, so that an arbitrary URL |
| // isn't left visible above a committed page. This must be enforced when |
| // the pending entry isn't visible (e.g., renderer-initiated navigations) to |
| // prevent URL spoofs for in-page navigations that don't go through |
| // DidStartProvisionalLoadForFrame. |
| // |
| // However, we do preserve the pending entry in some cases, such as on the |
| // initial navigation of an unmodified blank tab. We also allow the delegate |
| // to say when it's safe to leave aborted URLs in the omnibox, to let the user |
| // edit the URL and try again. This may be useful in cases that the committed |
| // page cannot be attacker-controlled. In these cases, we still allow the |
| // view to clear the pending entry and typed URL if the user requests |
| // (e.g., hitting Escape with focus in the address bar). |
| // |
| // Note: don't touch the transient entry, since an interstitial may exist. |
| bool should_preserve_entry = controller_->IsUnmodifiedBlankTab() || |
| delegate_->ShouldPreserveAbortedURLs(); |
| if (controller_->GetPendingEntry() != controller_->GetVisibleEntry() || |
| !should_preserve_entry) { |
| controller_->DiscardPendingEntry(); |
| |
| // Also force the UI to refresh. |
| controller_->delegate()->NotifyNavigationStateChanged(INVALIDATE_TYPE_URL); |
| } |
| |
| if (delegate_) |
| delegate_->DidFailProvisionalLoadWithError(render_frame_host, params); |
| } |
| |
| void NavigatorImpl::DidFailLoadWithError( |
| RenderFrameHostImpl* render_frame_host, |
| const GURL& url, |
| int error_code, |
| const base::string16& error_description) { |
| if (delegate_) { |
| delegate_->DidFailLoadWithError( |
| render_frame_host, url, error_code, |
| error_description); |
| } |
| } |
| |
| bool NavigatorImpl::NavigateToEntry( |
| RenderFrameHostImpl* render_frame_host, |
| const NavigationEntryImpl& entry, |
| NavigationController::ReloadType reload_type) { |
| TRACE_EVENT0("browser,navigation", "NavigatorImpl::NavigateToEntry"); |
| |
| // The renderer will reject IPC messages with URLs longer than |
| // this limit, so don't attempt to navigate with a longer URL. |
| if (entry.GetURL().spec().size() > GetMaxURLChars()) { |
| LOG(WARNING) << "Refusing to load URL as it exceeds " << GetMaxURLChars() |
| << " characters."; |
| return false; |
| } |
| |
| // This will be used to set the Navigation Timing API navigationStart |
| // parameter for browser navigations in new tabs (intents, tabs opened through |
| // "Open link in new tab"). We need to keep it above RFHM::Navigate() call to |
| // capture the time needed for the RenderFrameHost initialization. |
| base::TimeTicks navigation_start = base::TimeTicks::Now(); |
| |
| RenderFrameHostManager* manager = |
| render_frame_host->frame_tree_node()->render_manager(); |
| |
| // PlzNavigate: the RenderFrameHosts are no longer asked to navigate. |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableBrowserSideNavigation)) { |
| navigation_data_.reset(new NavigationMetricsData( |
| navigation_start, entry.GetURL(), entry.restore_type())); |
| RequestNavigation(render_frame_host->frame_tree_node(), |
| entry, |
| reload_type, |
| navigation_start); |
| return true; |
| } |
| |
| RenderFrameHostImpl* dest_render_frame_host = manager->Navigate(entry); |
| if (!dest_render_frame_host) |
| return false; // Unable to create the desired RenderFrameHost. |
| |
| // Make sure no code called via RFHM::Navigate clears the pending entry. |
| CHECK_EQ(controller_->GetPendingEntry(), &entry); |
| |
| // For security, we should never send non-Web-UI URLs to a Web UI renderer. |
| // Double check that here. |
| CheckWebUIRendererDoesNotDisplayNormalURL( |
| dest_render_frame_host, entry.GetURL()); |
| |
| // Notify observers that we will navigate in this RenderFrame. |
| if (delegate_) { |
| delegate_->AboutToNavigateRenderFrame(render_frame_host, |
| dest_render_frame_host); |
| } |
| |
| // Create the navigation parameters. |
| // TODO(vitalybuka): Move this before AboutToNavigateRenderFrame once |
| // http://crbug.com/408684 is fixed. |
| FrameMsg_Navigate_Params navigate_params; |
| MakeNavigateParams( |
| entry, controller_, reload_type, navigation_start, &navigate_params); |
| |
| // Navigate in the desired RenderFrameHost. |
| // We can skip this step in the rare case that this is a transfer navigation |
| // which began in the chosen RenderFrameHost, since the request has already |
| // been issued. In that case, simply resume the response. |
| bool is_transfer_to_same = |
| navigate_params.transferred_request_child_id != -1 && |
| navigate_params.transferred_request_child_id == |
| dest_render_frame_host->GetProcess()->GetID(); |
| if (!is_transfer_to_same) { |
| navigation_data_.reset(new NavigationMetricsData( |
| navigation_start, entry.GetURL(), entry.restore_type())); |
| dest_render_frame_host->Navigate(navigate_params); |
| } else { |
| // No need to navigate again. Just resume the deferred request. |
| dest_render_frame_host->GetProcess()->ResumeDeferredNavigation( |
| GlobalRequestID(navigate_params.transferred_request_child_id, |
| navigate_params.transferred_request_request_id)); |
| } |
| |
| // Make sure no code called via RFH::Navigate clears the pending entry. |
| CHECK_EQ(controller_->GetPendingEntry(), &entry); |
| |
| if (entry.GetPageID() == -1) { |
| // HACK!! This code suppresses javascript: URLs from being added to |
| // session history, which is what we want to do for javascript: URLs that |
| // do not generate content. What we really need is a message from the |
| // renderer telling us that a new page was not created. The same message |
| // could be used for mailto: URLs and the like. |
| if (entry.GetURL().SchemeIs(url::kJavaScriptScheme)) |
| return false; |
| } |
| |
| // Notify observers about navigation. |
| if (delegate_) { |
| delegate_->DidStartNavigationToPendingEntry(dest_render_frame_host, |
| entry.GetURL(), |
| reload_type); |
| } |
| |
| return true; |
| } |
| |
| bool NavigatorImpl::NavigateToPendingEntry( |
| RenderFrameHostImpl* render_frame_host, |
| NavigationController::ReloadType reload_type) { |
| return NavigateToEntry( |
| render_frame_host, |
| *NavigationEntryImpl::FromNavigationEntry(controller_->GetPendingEntry()), |
| reload_type); |
| } |
| |
| void NavigatorImpl::DidNavigate( |
| RenderFrameHostImpl* render_frame_host, |
| const FrameHostMsg_DidCommitProvisionalLoad_Params& input_params) { |
| // PlzNavigate |
| // The navigation request has been committed so the browser process doesn't |
| // need to care about it anymore. |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableBrowserSideNavigation)) { |
| navigation_request_map_.erase( |
| render_frame_host->frame_tree_node()->frame_tree_node_id()); |
| } |
| |
| FrameHostMsg_DidCommitProvisionalLoad_Params params(input_params); |
| FrameTree* frame_tree = render_frame_host->frame_tree_node()->frame_tree(); |
| bool use_site_per_process = base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kSitePerProcess); |
| |
| if (ui::PageTransitionIsMainFrame(params.transition)) { |
| if (delegate_) { |
| // When overscroll navigation gesture is enabled, a screenshot of the page |
| // in its current state is taken so that it can be used during the |
| // nav-gesture. It is necessary to take the screenshot here, before |
| // calling RenderFrameHostManager::DidNavigateMainFrame, because that can |
| // change WebContents::GetRenderViewHost to return the new host, instead |
| // of the one that may have just been swapped out. |
| if (delegate_->CanOverscrollContent()) { |
| // Don't take screenshots if we are staying on the same page. We want |
| // in-page navigations to be super fast, and taking a screenshot |
| // currently blocks GPU for a longer time than we are willing to |
| // tolerate in this use case. |
| if (!params.was_within_same_page) |
| controller_->TakeScreenshot(); |
| } |
| |
| // Run tasks that must execute just before the commit. |
| bool is_navigation_within_page = controller_->IsURLInPageNavigation( |
| params.url, params.was_within_same_page, render_frame_host); |
| delegate_->DidNavigateMainFramePreCommit(is_navigation_within_page); |
| } |
| |
| if (!use_site_per_process) |
| frame_tree->root()->render_manager()->DidNavigateFrame( |
| render_frame_host, params.gesture == NavigationGestureUser); |
| } |
| |
| // Save the origin of the new page. Do this before calling |
| // DidNavigateFrame(), because the origin needs to be included in the SwapOut |
| // message, which is sent inside DidNavigateFrame(). SwapOut needs the |
| // origin because it creates a RenderFrameProxy that needs this to initialize |
| // its security context. This origin will also be sent to RenderFrameProxies |
| // created via ViewMsg_New and FrameMsg_NewFrameProxy. |
| render_frame_host->frame_tree_node()->set_current_origin(params.origin); |
| |
| // When using --site-per-process, we notify the RFHM for all navigations, |
| // not just main frame navigations. |
| if (use_site_per_process) { |
| FrameTreeNode* frame = render_frame_host->frame_tree_node(); |
| frame->render_manager()->DidNavigateFrame( |
| render_frame_host, params.gesture == NavigationGestureUser); |
| } |
| |
| // Update the site of the SiteInstance if it doesn't have one yet, unless |
| // assigning a site is not necessary for this URL. In that case, the |
| // SiteInstance can still be considered unused until a navigation to a real |
| // page. |
| SiteInstanceImpl* site_instance = render_frame_host->GetSiteInstance(); |
| if (!site_instance->HasSite() && |
| ShouldAssignSiteForURL(params.url)) { |
| site_instance->SetSite(params.url); |
| } |
| |
| // Need to update MIME type here because it's referred to in |
| // UpdateNavigationCommands() called by RendererDidNavigate() to |
| // determine whether or not to enable the encoding menu. |
| // It's updated only for the main frame. For a subframe, |
| // RenderView::UpdateURL does not set params.contents_mime_type. |
| // (see http://code.google.com/p/chromium/issues/detail?id=2929 ) |
| // TODO(jungshik): Add a test for the encoding menu to avoid |
| // regressing it again. |
| // TODO(nasko): Verify the correctness of the above comment, since some of the |
| // code doesn't exist anymore. Also, move this code in the |
| // PageTransitionIsMainFrame code block above. |
| if (ui::PageTransitionIsMainFrame(params.transition) && delegate_) |
| delegate_->SetMainFrameMimeType(params.contents_mime_type); |
| |
| LoadCommittedDetails details; |
| bool did_navigate = controller_->RendererDidNavigate(render_frame_host, |
| params, &details); |
| |
| // For now, keep track of each frame's URL in its FrameTreeNode. This lets |
| // us estimate our process count for implementing OOP iframes. |
| // TODO(creis): Remove this when we track which pages commit in each frame. |
| render_frame_host->frame_tree_node()->set_current_url(params.url); |
| |
| // Send notification about committed provisional loads. This notification is |
| // different from the NAV_ENTRY_COMMITTED notification which doesn't include |
| // the actual URL navigated to and isn't sent for AUTO_SUBFRAME navigations. |
| if (details.type != NAVIGATION_TYPE_NAV_IGNORE && delegate_) { |
| DCHECK_EQ(!render_frame_host->GetParent(), |
| did_navigate ? details.is_main_frame : false); |
| ui::PageTransition transition_type = params.transition; |
| // Whether or not a page transition was triggered by going backward or |
| // forward in the history is only stored in the navigation controller's |
| // entry list. |
| if (did_navigate && |
| (controller_->GetLastCommittedEntry()->GetTransitionType() & |
| ui::PAGE_TRANSITION_FORWARD_BACK)) { |
| transition_type = ui::PageTransitionFromInt( |
| params.transition | ui::PAGE_TRANSITION_FORWARD_BACK); |
| } |
| |
| delegate_->DidCommitProvisionalLoad(render_frame_host, |
| params.url, |
| transition_type); |
| } |
| |
| if (!did_navigate) |
| return; // No navigation happened. |
| |
| // DO NOT ADD MORE STUFF TO THIS FUNCTION! Your component should either listen |
| // for the appropriate notification (best) or you can add it to |
| // DidNavigateMainFramePostCommit / DidNavigateAnyFramePostCommit (only if |
| // necessary, please). |
| |
| // TODO(carlosk): Move this out when PlzNavigate implementation properly calls |
| // the observer methods. |
| RecordNavigationMetrics(details, params, site_instance); |
| |
| // Run post-commit tasks. |
| if (delegate_) { |
| if (details.is_main_frame) { |
| delegate_->DidNavigateMainFramePostCommit(render_frame_host, |
| details, params); |
| } |
| |
| delegate_->DidNavigateAnyFramePostCommit( |
| render_frame_host, details, params); |
| } |
| } |
| |
| bool NavigatorImpl::ShouldAssignSiteForURL(const GURL& url) { |
| // about:blank should not "use up" a new SiteInstance. The SiteInstance can |
| // still be used for a normal web site. |
| if (url == GURL(url::kAboutBlankURL)) |
| return false; |
| |
| // The embedder will then have the opportunity to determine if the URL |
| // should "use up" the SiteInstance. |
| return GetContentClient()->browser()->ShouldAssignSiteForURL(url); |
| } |
| |
| void NavigatorImpl::RequestOpenURL(RenderFrameHostImpl* render_frame_host, |
| const GURL& url, |
| SiteInstance* source_site_instance, |
| const Referrer& referrer, |
| WindowOpenDisposition disposition, |
| bool should_replace_current_entry, |
| bool user_gesture) { |
| SiteInstance* current_site_instance = |
| GetRenderManager(render_frame_host)->current_frame_host()-> |
| GetSiteInstance(); |
| // If this came from a swapped out RenderFrameHost, we only allow the request |
| // if we are still in the same BrowsingInstance. |
| // TODO(creis): Move this to RenderFrameProxyHost::OpenURL. |
| if (render_frame_host->is_swapped_out() && |
| !render_frame_host->GetSiteInstance()->IsRelatedSiteInstance( |
| current_site_instance)) { |
| return; |
| } |
| |
| // Delegate to RequestTransferURL because this is just the generic |
| // case where |old_request_id| is empty. |
| // TODO(creis): Pass the redirect_chain into this method to support client |
| // redirects. http://crbug.com/311721. |
| std::vector<GURL> redirect_chain; |
| RequestTransferURL(render_frame_host, url, source_site_instance, |
| redirect_chain, referrer, ui::PAGE_TRANSITION_LINK, |
| disposition, GlobalRequestID(), |
| should_replace_current_entry, user_gesture); |
| } |
| |
| void NavigatorImpl::RequestTransferURL( |
| RenderFrameHostImpl* render_frame_host, |
| const GURL& url, |
| SiteInstance* source_site_instance, |
| const std::vector<GURL>& redirect_chain, |
| const Referrer& referrer, |
| ui::PageTransition page_transition, |
| WindowOpenDisposition disposition, |
| const GlobalRequestID& transferred_global_request_id, |
| bool should_replace_current_entry, |
| bool user_gesture) { |
| GURL dest_url(url); |
| SiteInstance* current_site_instance = |
| GetRenderManager(render_frame_host)->current_frame_host()-> |
| GetSiteInstance(); |
| if (!GetContentClient()->browser()->ShouldAllowOpenURL( |
| current_site_instance, url)) { |
| dest_url = GURL(url::kAboutBlankURL); |
| } |
| |
| int64 frame_tree_node_id = -1; |
| if (base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kSitePerProcess)) { |
| frame_tree_node_id = |
| render_frame_host->frame_tree_node()->frame_tree_node_id(); |
| } |
| OpenURLParams params( |
| dest_url, referrer, frame_tree_node_id, disposition, page_transition, |
| true /* is_renderer_initiated */); |
| params.source_site_instance = source_site_instance; |
| if (redirect_chain.size() > 0) |
| params.redirect_chain = redirect_chain; |
| params.transferred_global_request_id = transferred_global_request_id; |
| params.should_replace_current_entry = should_replace_current_entry; |
| params.user_gesture = user_gesture; |
| |
| if (GetRenderManager(render_frame_host)->web_ui()) { |
| // Web UI pages sometimes want to override the page transition type for |
| // link clicks (e.g., so the new tab page can specify AUTO_BOOKMARK for |
| // automatically generated suggestions). We don't override other types |
| // like TYPED because they have different implications (e.g., autocomplete). |
| if (ui::PageTransitionCoreTypeIs( |
| params.transition, ui::PAGE_TRANSITION_LINK)) |
| params.transition = |
| GetRenderManager(render_frame_host)->web_ui()-> |
| GetLinkTransitionType(); |
| |
| // Note also that we hide the referrer for Web UI pages. We don't really |
| // want web sites to see a referrer of "chrome://blah" (and some |
| // chrome: URLs might have search terms or other stuff we don't want to |
| // send to the site), so we send no referrer. |
| params.referrer = Referrer(); |
| |
| // Navigations in Web UI pages count as browser-initiated navigations. |
| params.is_renderer_initiated = false; |
| } |
| |
| if (delegate_) |
| delegate_->RequestOpenURL(render_frame_host, params); |
| } |
| |
| // PlzNavigate |
| void NavigatorImpl::OnBeforeUnloadACK(FrameTreeNode* frame_tree_node, |
| bool proceed) { |
| CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableBrowserSideNavigation)); |
| DCHECK(frame_tree_node); |
| |
| NavigationRequest* navigation_request = |
| navigation_request_map_.get(frame_tree_node->frame_tree_node_id()); |
| |
| // The NavigationRequest may have been canceled while the renderer was |
| // executing the BeforeUnload event. |
| if (!navigation_request) |
| return; |
| |
| DCHECK_EQ(NavigationRequest::WAITING_FOR_RENDERER_RESPONSE, |
| navigation_request->state()); |
| |
| if (proceed) |
| BeginNavigation(frame_tree_node); |
| else |
| CancelNavigation(frame_tree_node); |
| } |
| |
| // PlzNavigate |
| void NavigatorImpl::OnBeginNavigation( |
| FrameTreeNode* frame_tree_node, |
| const CommonNavigationParams& common_params, |
| const BeginNavigationParams& begin_params, |
| scoped_refptr<ResourceRequestBody> body) { |
| CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableBrowserSideNavigation)); |
| DCHECK(frame_tree_node); |
| |
| // This is a renderer-initiated navigation, so generate a new |
| // NavigationRequest and store it in the map. |
| // TODO(clamy): Renderer-initiated navigations should not always cancel the |
| // current one. |
| scoped_ptr<NavigationRequest> navigation_request = |
| NavigationRequest::CreateRendererInitiated( |
| frame_tree_node, common_params, begin_params, body); |
| navigation_request_map_.set( |
| frame_tree_node->frame_tree_node_id(), navigation_request.Pass()); |
| |
| if (frame_tree_node->IsMainFrame()) |
| navigation_data_.reset(); |
| |
| BeginNavigation(frame_tree_node); |
| } |
| |
| // PlzNavigate |
| void NavigatorImpl::CommitNavigation(FrameTreeNode* frame_tree_node, |
| ResourceResponse* response, |
| scoped_ptr<StreamHandle> body) { |
| CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableBrowserSideNavigation)); |
| |
| // HTTP 204 (No Content) and HTTP 205 (Reset Content) responses should not |
| // commit; they leave the frame showing the previous page. |
| if (response->head.headers.get() && |
| (response->head.headers->response_code() == 204 || |
| response->head.headers->response_code() == 205)) { |
| CancelNavigation(frame_tree_node); |
| return; |
| } |
| |
| NavigationRequest* navigation_request = |
| navigation_request_map_.get(frame_tree_node->frame_tree_node_id()); |
| DCHECK(navigation_request); |
| |
| // Select an appropriate renderer to commit the navigation. |
| RenderFrameHostImpl* render_frame_host = |
| frame_tree_node->render_manager()->GetFrameHostForNavigation( |
| *navigation_request); |
| CheckWebUIRendererDoesNotDisplayNormalURL( |
| render_frame_host, navigation_request->common_params().url); |
| |
| render_frame_host->CommitNavigation(response, body.Pass(), |
| navigation_request->common_params(), |
| navigation_request->commit_params()); |
| } |
| |
| // PlzNavigate |
| void NavigatorImpl::CancelNavigation(FrameTreeNode* frame_tree_node) { |
| CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableBrowserSideNavigation)); |
| navigation_request_map_.erase(frame_tree_node->frame_tree_node_id()); |
| if (frame_tree_node->IsMainFrame()) |
| navigation_data_.reset(); |
| // TODO(carlosk): move this cleanup into the NavigationRequest destructor once |
| // we properly cancel ongoing navigations. |
| frame_tree_node->render_manager()->CleanUpNavigation(); |
| } |
| |
| // PlzNavigate |
| NavigationRequest* NavigatorImpl::GetNavigationRequestForNodeForTesting( |
| FrameTreeNode* frame_tree_node) { |
| return navigation_request_map_.get(frame_tree_node->frame_tree_node_id()); |
| } |
| |
| bool NavigatorImpl::IsWaitingForBeforeUnloadACK( |
| FrameTreeNode* frame_tree_node) { |
| CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableBrowserSideNavigation)); |
| NavigationRequest* request = |
| navigation_request_map_.get(frame_tree_node->frame_tree_node_id()); |
| if (!request) |
| return false; |
| return request->state() == NavigationRequest::WAITING_FOR_RENDERER_RESPONSE; |
| } |
| |
| void NavigatorImpl::LogResourceRequestTime( |
| base::TimeTicks timestamp, const GURL& url) { |
| if (navigation_data_ && navigation_data_->url_ == url) { |
| navigation_data_->url_job_start_time_ = timestamp; |
| UMA_HISTOGRAM_TIMES( |
| "Navigation.TimeToURLJobStart", |
| navigation_data_->url_job_start_time_ - navigation_data_->start_time_); |
| } |
| } |
| |
| void NavigatorImpl::LogBeforeUnloadTime( |
| const base::TimeTicks& renderer_before_unload_start_time, |
| const base::TimeTicks& renderer_before_unload_end_time) { |
| // Only stores the beforeunload delay if we're tracking a browser initiated |
| // navigation and it happened later than the navigation request. |
| if (navigation_data_ && |
| renderer_before_unload_start_time > navigation_data_->start_time_) { |
| navigation_data_->before_unload_delay_ = |
| renderer_before_unload_end_time - renderer_before_unload_start_time; |
| } |
| } |
| |
| void NavigatorImpl::CheckWebUIRendererDoesNotDisplayNormalURL( |
| RenderFrameHostImpl* render_frame_host, |
| const GURL& url) { |
| int enabled_bindings = |
| render_frame_host->render_view_host()->GetEnabledBindings(); |
| bool is_allowed_in_web_ui_renderer = |
| WebUIControllerFactoryRegistry::GetInstance()->IsURLAcceptableForWebUI( |
| controller_->GetBrowserContext(), url); |
| if ((enabled_bindings & BINDINGS_POLICY_WEB_UI) && |
| !is_allowed_in_web_ui_renderer) { |
| // Log the URL to help us diagnose any future failures of this CHECK. |
| GetContentClient()->SetActiveURL(url); |
| CHECK(0); |
| } |
| } |
| |
| // PlzNavigate |
| void NavigatorImpl::RequestNavigation( |
| FrameTreeNode* frame_tree_node, |
| const NavigationEntryImpl& entry, |
| NavigationController::ReloadType reload_type, |
| base::TimeTicks navigation_start) { |
| CHECK(base::CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableBrowserSideNavigation)); |
| DCHECK(frame_tree_node); |
| int64 frame_tree_node_id = frame_tree_node->frame_tree_node_id(); |
| FrameMsg_Navigate_Type::Value navigation_type = |
| GetNavigationType(controller_->GetBrowserContext(), entry, reload_type); |
| scoped_ptr<NavigationRequest> navigation_request = |
| NavigationRequest::CreateBrowserInitiated( |
| frame_tree_node, entry, navigation_type, navigation_start); |
| // TODO(clamy): Check if navigations are blocked and if so store the |
| // parameters. |
| |
| // If there is an ongoing request, replace it. |
| navigation_request_map_.set(frame_tree_node_id, navigation_request.Pass()); |
| |
| // Have the current renderer execute its beforeUnload event if needed. If it |
| // is not needed (eg. the renderer is not live), BeginNavigation should get |
| // called. |
| NavigationRequest* request_to_send = |
| navigation_request_map_.get(frame_tree_node_id); |
| request_to_send->SetWaitingForRendererResponse(); |
| frame_tree_node->current_frame_host()->DispatchBeforeUnload(true); |
| } |
| |
| void NavigatorImpl::BeginNavigation(FrameTreeNode* frame_tree_node) { |
| NavigationRequest* navigation_request = |
| navigation_request_map_.get(frame_tree_node->frame_tree_node_id()); |
| |
| // A browser-initiated navigation could have been cancelled while it was |
| // waiting for the BeforeUnload event to execute. |
| if (!navigation_request) |
| return; |
| |
| // First start the request on the IO thread. |
| navigation_request->BeginNavigation(); |
| |
| // Then notify the RenderFrameHostManager so it can speculatively create a |
| // RenderFrameHost (and potentially a new renderer process) in parallel. |
| frame_tree_node->render_manager()->BeginNavigation(*navigation_request); |
| } |
| |
| void NavigatorImpl::RecordNavigationMetrics( |
| const LoadCommittedDetails& details, |
| const FrameHostMsg_DidCommitProvisionalLoad_Params& params, |
| SiteInstance* site_instance) { |
| DCHECK(site_instance->HasProcess()); |
| |
| if (!details.is_in_page) |
| RecordAction(base::UserMetricsAction("FrameLoad")); |
| |
| if (!details.is_main_frame || !navigation_data_ || |
| navigation_data_->url_job_start_time_.is_null() || |
| navigation_data_->url_ != params.original_request_url) { |
| return; |
| } |
| |
| base::TimeDelta time_to_commit = |
| base::TimeTicks::Now() - navigation_data_->start_time_; |
| UMA_HISTOGRAM_TIMES("Navigation.TimeToCommit", time_to_commit); |
| |
| time_to_commit -= navigation_data_->before_unload_delay_; |
| base::TimeDelta time_to_network = navigation_data_->url_job_start_time_ - |
| navigation_data_->start_time_ - |
| navigation_data_->before_unload_delay_; |
| if (navigation_data_->is_restoring_from_last_session_) { |
| UMA_HISTOGRAM_TIMES( |
| "Navigation.TimeToCommit_SessionRestored_BeforeUnloadDiscounted", |
| time_to_commit); |
| UMA_HISTOGRAM_TIMES( |
| "Navigation.TimeToURLJobStart_SessionRestored_BeforeUnloadDiscounted", |
| time_to_network); |
| navigation_data_.reset(); |
| return; |
| } |
| bool navigation_created_new_renderer_process = |
| site_instance->GetProcess()->GetInitTimeForNavigationMetrics() > |
| navigation_data_->start_time_; |
| if (navigation_created_new_renderer_process) { |
| UMA_HISTOGRAM_TIMES( |
| "Navigation.TimeToCommit_NewRenderer_BeforeUnloadDiscounted", |
| time_to_commit); |
| UMA_HISTOGRAM_TIMES( |
| "Navigation.TimeToURLJobStart_NewRenderer_BeforeUnloadDiscounted", |
| time_to_network); |
| } else { |
| UMA_HISTOGRAM_TIMES( |
| "Navigation.TimeToCommit_ExistingRenderer_BeforeUnloadDiscounted", |
| time_to_commit); |
| UMA_HISTOGRAM_TIMES( |
| "Navigation.TimeToURLJobStart_ExistingRenderer_BeforeUnloadDiscounted", |
| time_to_network); |
| } |
| navigation_data_.reset(); |
| } |
| |
| } // namespace content |