Cross-process postMessage

content/browser/tab_contents/tab_contents.h

 // Copyright (c) 2011 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_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 32 matching lines @@
 class SiteInstance;
 class TabContentsDelegate;
 class TabContentsObserver;
 class TabContentsView;
 struct ViewHostMsg_DidFailProvisionalLoadWithError_Params;
 
 namespace webkit_glue {
 struct WebIntentData;
 }
 
+namespace content {
+class ContentFrame;
+}
+
 // Describes what goes in the main content area of a tab. TabContents is
 // the only type of TabContents, and these should be merged together.
 class CONTENT_EXPORT TabContents : public PageNavigator,
                                    public RenderViewHostDelegate,
                                    public RenderViewHostManager::Delegate,
                                    public content::JavaScriptDialogDelegate {
  public:
   // Flags passed to the TabContentsDelegate.NavigationStateChanged to tell it
   // what has changed. Combine them to update more than one thing.
   enum InvalidateTypes {
     INVALIDATE_URL             = 1 << 0,  // The URL has changed.
     INVALIDATE_TAB             = 1 << 1,  // The favicon, app icon, or crashed
                                           // state changed.
     INVALIDATE_LOAD            = 1 << 2,  // The loading state has changed.
     INVALIDATE_PAGE_ACTIONS    = 1 << 3,  // Page action icons have changed.
     INVALIDATE_TITLE           = 1 << 4,  // The title changed.
   };
 
+  // TODO(supersat): Update comment.
   // |base_tab_contents| is used if we want to size the new tab contents view
   // based on an existing tab contents view.  This can be NULL if not needed.
   //
   // The session storage namespace parameter allows multiple render views and
   // tab contentses to share the same session storage (part of the WebStorage
   // spec) space. This is useful when restoring tabs, but most callers should
   // pass in NULL which will cause a new SessionStorageNamespace to be created.
   TabContents(content::BrowserContext* browser_context,
               SiteInstance* site_instance,
               int routing_id,
-              const TabContents* base_tab_contents,
+              content::ContentFrame* opener,
               SessionStorageNamespace* session_storage_namespace);
   virtual ~TabContents();
 
   // Intrinsic tab state -------------------------------------------------------
 
   // Returns the property bag for this tab contents, where callers can add
   // extra data they may wish to associate with the tab. Returns a pointer
   // rather than a reference since the PropertyAccessors expect this.
   const base::PropertyBag* property_bag() const { return &property_bag_; }
   base::PropertyBag* property_bag() { return &property_bag_; }
@@ skipping 40 matching lines @@
   // time and can be NULL (during setup and teardown).
   RenderWidgetHostView* GetRenderWidgetHostView() const {
     return render_manager_.GetRenderWidgetHostView();
   }
 
   // The TabContentsView will never change and is guaranteed non-NULL.
   TabContentsView* view() const {
     return view_.get();
   }
 
+  content::ContentFrame* content_frame() const {
+    return content_frame_;
+  }
+
   // Tab navigation state ------------------------------------------------------
 
   // Returns the current navigation properties, which if a navigation is
   // pending may be provisional (e.g., the navigation could result in a
   // download, in which case the URL would revert to what it was previously).
   virtual const GURL& GetURL() const OVERRIDE;
   virtual const string16& GetTitle() const;
 
   // The max page ID for any page that the current SiteInstance has loaded in
   // this TabContents.  Page IDs are specific to a given SiteInstance and
@@ skipping 590 matching lines @@
 
   // 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 TabContents will act as though the renderer
   // is not running (i.e., it will render "sad tab"). This method is
   // automatically called from LoadURL.
   //
   // If you are attaching to an already-existing RenderView, you should call
   // InitWithExistingID.
   virtual bool CreateRenderViewForRenderManager(
-      RenderViewHost* render_view_host) OVERRIDE;
+      RenderViewHost* render_view_host, int opener_route_id) OVERRIDE;
 
   // Stores random bits of data for others to associate with this object.
   // WARNING: this needs to be deleted after NavigationController.
   base::PropertyBag property_bag_;
 
   // Data for core operation ---------------------------------------------------
 
   // Delegate for notifying our owner about stuff. Not owned by us.
   TabContentsDelegate* delegate_;
 
@@ skipping 122 matching lines @@
   // remember it.
   bool temporary_zoom_settings_;
 
   // Content restrictions, used to disable print/copy etc based on content's
   // (full-page plugins for now only) permissions.
   int content_restrictions_;
 
   // Our view type. Default is VIEW_TYPE_TAB_CONTENTS.
   content::ViewType view_type_;
 
+  // The ContentFrame for this tab
+  content::ContentFrame* content_frame_;
+
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_