Move Render(View|Widget)Host and associated classes to content namespace.

content/browser/tab_contents/render_view_host_manager.h

 // Copyright (c) 2012 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_RENDER_VIEW_HOST_MANAGER_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/render_view_host_delegate.h"
 
 class InterstitialPageImpl;
 class NavigationControllerImpl;
-class RenderViewHost;
-class RenderViewHostImpl;
 class WebUIImpl;
 
 namespace content {
 class BrowserContext;
 class NavigationEntry;
 class NavigationEntryImpl;
+class RenderViewHost;
+class RenderViewHostImpl;
 class RenderWidgetHostView;
 }
 
 // Manages RenderViewHosts for a TabContents. Normally there is only one and
 // it is easy to do. But we can also have transitions of processes (and hence
 // RenderViewHosts) that can get complex.
 class CONTENT_EXPORT RenderViewHostManager
     : public content::RenderViewHostDelegate::RendererManagement,
       public content::NotificationObserver {
  public:
@@ skipping 10 matching lines @@
    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 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) = 0;
+        content::RenderViewHost* render_view_host) = 0;
     virtual void BeforeUnloadFiredFromRenderManager(
         bool proceed, bool* proceed_to_fire_unload) = 0;
     virtual void DidStartLoadingFromRenderManager(
-        RenderViewHost* render_view_host) = 0;
+        content::RenderViewHost* render_view_host) = 0;
     virtual void RenderViewGoneFromRenderManager(
-        RenderViewHost* render_view_host) = 0;
+        content::RenderViewHost* render_view_host) = 0;
     virtual void UpdateRenderViewSizeForRenderManager() = 0;
     virtual void NotifySwappedFromRenderManager() = 0;
     virtual NavigationControllerImpl& GetControllerForRenderManager() = 0;
 
     // Creates a WebUI object for the given URL if one applies. Ownership of the
     // returned pointer will be passed to the caller. If no WebUI applies,
     // returns NULL.
     virtual WebUIImpl* CreateWebUIForRenderManager(const GURL& url) = 0;
 
     // Returns the navigation entry of the current navigation, or NULL if there
     // is none.
     virtual content::NavigationEntry*
         GetLastCommittedNavigationEntryForRenderManager() = 0;
 
     // Returns true if the location bar should be focused by default rather than
     // the page contents. The view calls this function when the tab is focused
     // to see what it should do.
     virtual bool FocusLocationBarByDefault() = 0;
 
     // Focuses the location bar.
     virtual void SetFocusToLocationBar(bool select_all) = 0;
 
     // Creates a view and sets the size for the specified RVH.
-    virtual void CreateViewAndSetSizeForRVH(RenderViewHost* rvh) = 0;
+    virtual void CreateViewAndSetSizeForRVH(content::RenderViewHost* rvh) = 0;
 
    protected:
     virtual ~Delegate() {}
   };
 
   // Both delegate pointers must be non-NULL and are not owned by this class.
   // They must outlive this class. The RenderViewHostDelegate is what will be
   // installed into all RenderViewHosts that are created.
   //
   // You must call Init() before using this class.
   RenderViewHostManager(content::RenderViewHostDelegate* render_view_delegate,
                         Delegate* delegate);
   virtual ~RenderViewHostManager();
 
   // For arguments, see TabContents constructor.
   void Init(content::BrowserContext* browser_context,
             content::SiteInstance* site_instance,
             int routing_id);
 
   // Returns the currently active RenderViewHost.
   //
   // This will be non-NULL between Init() and Shutdown(). You may want to NULL
   // check it in many cases, however. Windows can send us messages during the
   // destruction process after it has been shut down.
-  RenderViewHostImpl* current_host() const;
+  content::RenderViewHostImpl* current_host() const;
 
   // Returns the view associated with the current RenderViewHost, or NULL if
   // there is no current one.
   content::RenderWidgetHostView* GetRenderWidgetHostView() const;
 
   // Returns the pending render view host, or NULL if there is no pending one.
-  RenderViewHostImpl* pending_render_view_host() const;
+  content::RenderViewHostImpl* pending_render_view_host() const;
 
   // Returns the current committed Web UI or NULL if none applies.
   WebUIImpl* web_ui() const { return web_ui_.get(); }
 
   // Returns the Web UI for the pending navigation, or NULL of none applies.
   WebUIImpl* pending_web_ui() const { return pending_web_ui_.get(); }
 
   // Called when we want to instruct the renderer to navigate to the given
   // navigation entry. It may create a new RenderViewHost or re-use an existing
   // one. The RenderViewHost to navigate will be returned. Returns NULL if one
   // could not be created.
-  RenderViewHostImpl* Navigate(const content::NavigationEntryImpl& entry);
+  content::RenderViewHostImpl* Navigate(
+      const content::NavigationEntryImpl& entry);
 
   // Instructs the various live views to stop. Called when the user directed the
   // page to stop loading.
   void Stop();
 
   // Notifies the regular and pending RenderViewHosts that a load is or is not
   // happening. Even though the message is only for one of them, we don't know
   // which one so we tell both.
   void SetIsLoading(bool is_loading);
 
   // Whether to close the tab or not when there is a hang during an unload
   // handler. If we are mid-crosssite navigation, then we should proceed
   // with the navigation instead of closing the tab.
   bool ShouldCloseTabOnUnresponsiveRenderer();
 
   // Called when a renderer's main frame navigates.
-  void DidNavigateMainFrame(RenderViewHost* render_view_host);
+  void DidNavigateMainFrame(content::RenderViewHost* render_view_host);
 
   // Set the WebUI after committing a page load. This is useful for navigations
   // initiated from a renderer, where we want to give the new renderer WebUI
   // privileges from the originating renderer.
   void SetWebUIPostCommit(WebUIImpl* web_ui);
 
   // Called when a provisional load on the given renderer is aborted.
-  void RendererAbortedProvisionalLoad(RenderViewHost* render_view_host);
+  void RendererAbortedProvisionalLoad(
+      content::RenderViewHost* render_view_host);
 
   // 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;
   }
 
@@ skipping 14 matching lines @@
                                bool proceed) OVERRIDE;
   virtual void OnCrossSiteResponse(int new_render_process_host_id,
                                    int new_request_id) OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Called when a RenderViewHost is about to be deleted.
-  void RenderViewDeleted(RenderViewHost* rvh);
+  void RenderViewDeleted(content::RenderViewHost* rvh);
 
   // Returns whether the given RenderViewHost is on the list of swapped out
   // RenderViewHosts.
-  bool IsSwappedOut(RenderViewHost* rvh);
+  bool IsSwappedOut(content::RenderViewHost* rvh);
 
  private:
   friend class TestTabContents;
   friend class RenderViewHostManagerTest;
 
   // Returns whether this tab should transition to a new renderer for
   // cross-site URLs.  Enabled unless we see the --process-per-tab command line
   // switch.  Can be overridden in unit tests.
   bool ShouldTransitionCrossSite();
 
@@ skipping 14 matching lines @@
       const content::NavigationEntryImpl& entry,
       content::SiteInstance* curr_instance);
 
   // Helper method to create a pending RenderViewHost for a cross-site
   // navigation.
   bool CreatePendingRenderView(const content::NavigationEntryImpl& entry,
                                content::SiteInstance* instance);
 
   // Sets up the necessary state for a new RenderViewHost navigating to the
   // given entry.
-  bool InitRenderView(RenderViewHost* render_view_host,
+  bool InitRenderView(content::RenderViewHost* render_view_host,
                       const content::NavigationEntryImpl& entry);
 
   // Sets the pending RenderViewHost/WebUI to be the active one. Note that this
   // doesn't require the pending render_view_host_ pointer to be non-NULL, since
   // there could be Web UI switching as well. Call this for every commit.
   void CommitPending();
 
   // Helper method to terminate the pending RenderViewHost.
   void CancelPending();
 
-  RenderViewHostImpl* UpdateRendererStateForNavigate(
+  content::RenderViewHostImpl* UpdateRendererStateForNavigate(
       const content::NavigationEntryImpl& entry);
 
   // Called when a renderer process is starting to close.  We should not
   // schedule new navigations in its swapped out RenderViewHosts after this.
   void RendererProcessClosing(content::RenderProcessHost* render_process_host);
 
   // Our delegate, not owned by us. Guaranteed non-NULL.
   Delegate* delegate_;
 
   // Whether a navigation requiring different RenderView's is pending. This is
   // either cross-site request is (in the new process model), or when required
   // for the view type (like view source versus not).
   bool cross_navigation_pending_;
 
   // Implemented by the owner of this class, this delegate is installed into all
   // the RenderViewHosts that we create.
   content::RenderViewHostDelegate* render_view_delegate_;
 
   // Our RenderView host and its associated Web UI (if any, will be NULL for
   // non-DOM-UI pages). This object is responsible for all communication with
   // a child RenderView instance.
-  RenderViewHostImpl* render_view_host_;
+  content::RenderViewHostImpl* render_view_host_;
   scoped_ptr<WebUIImpl> web_ui_;
 
   // A RenderViewHost used to load a cross-site page. This remains hidden
   // while a cross-site request is pending until it calls DidNavigate. It may
   // have an associated Web UI, in which case the Web UI pointer will be non-
   // NULL.
   //
   // The pending_web_ui may be non-NULL even when the pending_render_view_host_
   // is. This will happen when we're transitioning between two Web UI pages:
   // the RVH won't be swapped, so the pending pointer will be unused, but there
   // will be a pending Web UI associated with the navigation.
-  RenderViewHostImpl* pending_render_view_host_;
+  content::RenderViewHostImpl* pending_render_view_host_;
   scoped_ptr<WebUIImpl> pending_web_ui_;
 
   // A map of site instance ID to swapped out RenderViewHosts.
-  typedef base::hash_map<int32, RenderViewHostImpl*> RenderViewHostMap;
+  typedef base::hash_map<int32, content::RenderViewHostImpl*> RenderViewHostMap;
   RenderViewHostMap swapped_out_hosts_;
 
   // The intersitial page currently shown if any, not own by this class
   // (the InterstitialPage is self-owned, it deletes itself when hidden).
   InterstitialPageImpl* interstitial_page_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostManager);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_