Start using RenderFrameProxyHost objects.

content/browser/frame_host/render_frame_host_manager.h

 // 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.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 13 matching lines @@
 class CrossProcessFrameConnector;
 class CrossSiteTransferringRequest;
 class InterstitialPageImpl;
 class FrameTreeNode;
 class NavigationControllerImpl;
 class NavigationEntry;
 class NavigationEntryImpl;
 class NavigationRequest;
 class RenderFrameHost;
 class RenderFrameHostDelegate;
+class RenderFrameHost;
 class RenderFrameHostImpl;
 class RenderFrameHostManagerTest;
 class RenderFrameProxyHost;
 class RenderViewHost;
 class RenderViewHostImpl;
 class RenderWidgetHostDelegate;
 class RenderWidgetHostView;
 class TestWebContents;
 class WebUIImpl;
 
 // Manages RenderFrameHosts for a FrameTreeNode.  This class acts as a state
 // machine to make cross-process navigations in a frame possible.
 class CONTENT_EXPORT RenderFrameHostManager : public NotificationObserver {
  public:
   // Functions implemented by our owner that we need.
   //
   // TODO(brettw) Clean this up! These are all the functions in WebContentsImpl
   // that are required to run this class. The design should probably be better
   // such that these are more clear.
   //
   // There is additional complexity that some of the functions we need in
   // WebContentsImpl are inherited and non-virtual. These are named with
   // "RenderManager" so that the duplicate implementation of them will be clear.
   class CONTENT_EXPORT Delegate {
    public:
     // Initializes the given renderer if necessary and creates the view ID
     // corresponding to this view host. If this method is not called and the
     // process is not shared, then the WebContentsImpl will act as though the
     // renderer is not running (i.e., it will render "sad tab"). This method is
-    // automatically called from LoadURL. |for_main_frame| indicates whether
-    // this RenderViewHost is used to render a top-level frame, so the
+    // automatically called from LoadURL. |for_main_frame_navigation| indicates
+    // whether this RenderViewHost is used to render a top-level frame, so the
     // appropriate RenderWidgetHostView type is used.
     virtual bool CreateRenderViewForRenderManager(
         RenderViewHost* render_view_host,
         int opener_route_id,
         int proxy_routing_id,
-        bool for_main_frame) = 0;
+        bool for_main_frame_navigation) = 0;
+    virtual bool CreateRenderFrameForRenderManager(
+        RenderFrameHost* render_frame_host,
+        int parent_routing_id) = 0;
     virtual void BeforeUnloadFiredFromRenderManager(
         bool proceed, const base::TimeTicks& proceed_time,
         bool* proceed_to_fire_unload) = 0;
     virtual void RenderProcessGoneFromRenderManager(
         RenderViewHost* render_view_host) = 0;
     virtual void UpdateRenderViewSizeForRenderManager() = 0;
     virtual void CancelModalDialogsForRenderManager() = 0;
     virtual void NotifySwappedFromRenderManager(RenderFrameHost* old_host,
                                                 RenderFrameHost* new_host,
                                                 bool is_main_frame) = 0;
@@ skipping 163 matching lines @@
   // Called when a renderer sets its opener to null.
   void DidDisownOpener(RenderViewHost* render_view_host);
 
   // Helper method to create and initialize a RenderFrameHost.  If |swapped_out|
   // is true, it will be initially placed on the swapped out hosts list.
   // Otherwise, it will be used for a pending cross-site navigation.
   // Returns the routing id of the *view* associated with the frame.
   int CreateRenderFrame(SiteInstance* instance,
                         int opener_route_id,
                         bool swapped_out,
+                        bool for_main_frame_navigation,
                         bool hidden);
 
+  // Helper method to create and initialize a RenderFrameProxyHost and return
+  // its routing id.
+  int CreateRenderFrameProxy(SiteInstance* instance);
+
   // Sets the passed passed interstitial as the currently showing interstitial.
   // |interstitial_page| should be non NULL (use the remove_interstitial_page
   // method to unset the interstitial) and no interstitial page should be set
   // when there is already a non NULL interstitial page set.
   void set_interstitial_page(InterstitialPageImpl* interstitial_page) {
     DCHECK(!interstitial_page_ && interstitial_page);
     interstitial_page_ = interstitial_page;
   }
 
   // Unsets the currently showing interstitial.
@@ skipping 32 matching lines @@
   void ClearPendingShutdownRFHForSiteInstance(int32 site_instance_id,
                                               RenderFrameHostImpl* rfh);
 
   // Deletes any proxy hosts associated with this node. Used during destruction
   // of WebContentsImpl.
   void ResetProxyHosts();
 
   // Used to start a navigation, part of browser-side navigation project.
   void OnBeginNavigation(const FrameHostMsg_BeginNavigation_Params& params);
 
+  // Returns the routing id for a RenderFrameHost or RenderFrameHostProxy
+  // that has the given SiteInstance and is associated with this
+  // RenderFrameHostManager. Returns MSG_ROUTING_NONE if none is found.
+  int GetRoutingIdForSiteInstance(SiteInstance* site_instance);
+
  private:
   friend class RenderFrameHostManagerTest;
   friend class TestWebContents;
 
+  FRIEND_TEST_ALL_PREFIXES(CrossProcessFrameTreeBrowserTest,
+                           CreateCrossProcessSubframeProxies);
+
   // Tracks information about a navigation while a cross-process transition is
   // in progress, in case we need to transfer it to a new RenderFrameHost.
   // When a request is being transferred, deleting the PendingNavigationParams,
   // and thus |cross_site_transferring_request|, will cancel the request being
   // transferred, unless its ReleaseRequest method has been called.
   struct PendingNavigationParams {
     PendingNavigationParams(
         const GlobalRequestID& global_request_id,
         scoped_ptr<CrossSiteTransferringRequest>
             cross_site_transferring_request,
@@ skipping 82 matching lines @@
   // Sets up the necessary state for a new RenderViewHost with the given opener,
   // if necessary.  It creates a RenderFrameProxy in the target renderer process
   // with the given |proxy_routing_id|, which is used to route IPC messages when
   // in swapped out state.  Returns early if the RenderViewHost has already been
   // initialized for another RenderFrameHost.
   // TODO(creis): opener_route_id is currently for the RenderViewHost but should
   // be for the RenderFrame, since frames can have openers.
   bool InitRenderView(RenderViewHost* render_view_host,
                       int opener_route_id,
                       int proxy_routing_id,
-                      bool for_main_frame);
+                      bool for_main_frame_navigation);
+
+  // Initialization for RenderFrameHost uses the same sequence as InitRenderView
+  // above.
+  bool InitRenderFrame(RenderFrameHost* render_frame_host);
 
   // Sets the pending RenderFrameHost/WebUI to be the active one. Note that this
   // doesn't require the pending render_frame_host_ pointer to be non-NULL,
   // since there could be Web UI switching as well. Call this for every commit.
   void CommitPending();
 
-  // Shutdown all RenderFrameHosts in a SiteInstance. This is called to shutdown
-  // frames when all the frames in a SiteInstance are confirmed to be swapped
-  // out.
-  void ShutdownRenderFrameHostsInSiteInstance(int32 site_instance_id);
+  // Shutdown all RenderFrameProxyHosts in a SiteInstance. This is called to
+  // shutdown frames when all the frames in a SiteInstance are confirmed to be
+  // swapped out.
+  void ShutdownRenderFrameProxyHostsInSiteInstance(int32 site_instance_id);
 
   // Helper method to terminate the pending RenderViewHost.
   void CancelPending();
 
   // Helper method to set the active RenderFrameHost. Returns the old
   // RenderFrameHost and updates counts.
   scoped_ptr<RenderFrameHostImpl> SetRenderFrameHost(
       scoped_ptr<RenderFrameHostImpl> render_frame_host);
 
   RenderFrameHostImpl* UpdateStateForNavigate(
@@ skipping 73 matching lines @@
   scoped_ptr<NavigationRequest> navigation_request_;
 
   base::WeakPtrFactory<RenderFrameHostManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_MANAGER_H_