content/public/renderer/render_frame.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_PUBLIC_RENDERER_RENDER_FRAME_H_
   6 #define CONTENT_PUBLIC_RENDERER_RENDER_FRAME_H_
   7
   8 #include "base/strings/string16.h"
   9 #include "content/common/content_export.h"
  10 #include "ipc/ipc_listener.h"
  11 #include "ipc/ipc_sender.h"
  12 #include "third_party/WebKit/public/web/WebNavigationPolicy.h"
  13
  14 namespace blink {
  15 class WebFrame;
  16 class WebLocalFrame;
  17 class WebNode;
  18 class WebPlugin;
  19 class WebURLRequest;
  20 class WebURLResponse;
  21 struct WebPluginParams;
  22 }
  23
  24 namespace content {
  25 class ContextMenuClient;
  26 class RenderView;
  27 class ServiceRegistry;
  28 struct ContextMenuParams;
  29 struct WebPluginInfo;
  30 struct WebPreferences;
  31
  32 // This interface wraps functionality, which is specific to frames, such as
  33 // navigation. It provides communication with a corresponding RenderFrameHost
  34 // in the browser process.
  35 class CONTENT_EXPORT RenderFrame : public IPC::Listener,
  36                                    public IPC::Sender {
  37  public:
  38   // Returns the RenderFrame given a WebFrame.
  39   static RenderFrame* FromWebFrame(blink::WebFrame* web_frame);
  40
  41   // Returns the RenderView associated with this frame.
  42   virtual RenderView* GetRenderView() = 0;
  43
  44   // Get the routing ID of the frame.
  45   virtual int GetRoutingID() = 0;
  46
  47   // Returns the associated WebFrame.
  48   virtual blink::WebLocalFrame* GetWebFrame() = 0;
  49
  50    // Gets WebKit related preferences associated with this frame.
  51   virtual WebPreferences& GetWebkitPreferences() = 0;
  52
  53   // Shows a context menu with the given information. The given client will
  54   // be called with the result.
  55   //
  56   // The request ID will be returned by this function. This is passed to the
  57   // client functions for identification.
  58   //
  59   // If the client is destroyed, CancelContextMenu() should be called with the
  60   // request ID returned by this function.
  61   //
  62   // Note: if you end up having clients outliving the RenderFrame, we should add
  63   // a CancelContextMenuCallback function that takes a request id.
  64   virtual int ShowContextMenu(ContextMenuClient* client,
  65                               const ContextMenuParams& params) = 0;
  66
  67   // Cancels a context menu in the event that the client is destroyed before the
  68   // menu is closed.
  69   virtual void CancelContextMenu(int request_id) = 0;
  70
  71   // Gets the node that the context menu was pressed over.
  72   virtual blink::WebNode GetContextMenuNode() const = 0;
  73
  74   // Create a new NPAPI/Pepper plugin depending on |info|. Returns NULL if no
  75   // plugin was found.
  76   virtual blink::WebPlugin* CreatePlugin(
  77       blink::WebFrame* frame,
  78       const WebPluginInfo& info,
  79       const blink::WebPluginParams& params) = 0;
  80
  81   // The client should handle the navigation externally.
  82   virtual void LoadURLExternally(blink::WebLocalFrame* frame,
  83                                  const blink::WebURLRequest& request,
  84                                  blink::WebNavigationPolicy policy) = 0;
  85
  86   // Execute a string of JavaScript in this frame's context.
  87   virtual void ExecuteJavaScript(const base::string16& javascript) = 0;
  88
  89   // Return true if this frame is hidden.
  90   virtual bool IsHidden() = 0;
  91
  92   // Returns the ServiceRegistry for this frame.
  93   virtual ServiceRegistry* GetServiceRegistry() = 0;
  94
  95   // Returns true if this frame is a FTP directory listing.
  96   virtual bool IsFTPDirectoryListing() = 0;
  97
  98   // Attaches the browser plugin identified by |element_instance_id| to guest
  99   // content created by the embedder.
 100   virtual void AttachGuest(int element_instance_id) = 0;
 101
 102  protected:
 103   virtual ~RenderFrame() {}
 104
 105  private:
 106   // This interface should only be implemented inside content.
 107   friend class RenderFrameImpl;
 108   RenderFrame() {}
 109 };
 110
 111 }  // namespace content
 112
 113 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_FRAME_H_