render_frame_host_impl.h revision 1e9bf3e0803691d0a228da41fc608347b6db4340 
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_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
6#define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
7
8#include <string>
9
10#include "base/compiler_specific.h"
11#include "content/public/browser/render_frame_host.h"
12
13class GURL;
14
15namespace content {
16
17class FrameTree;
18class RenderProcessHost;
19class RenderViewHostImpl;
20
21class CONTENT_EXPORT RenderFrameHostImpl : public RenderFrameHost {
22 public:
23  static RenderFrameHostImpl* FromID(int process_id, int routing_id);
24
25  // TODO(nasko): Remove dependency on RenderViewHost here. RenderProcessHost
26  // should be the abstraction needed here, but we need RenderViewHost to pass
27  // into WebContentsObserver::FrameDetached for now.
28  RenderFrameHostImpl(RenderViewHostImpl* render_view_host,
29                      FrameTree* frame_tree,
30                      int routing_id,
31                      bool is_swapped_out);
32  virtual ~RenderFrameHostImpl();
33
34  // IPC::Sender
35  virtual bool Send(IPC::Message* msg) OVERRIDE;
36
37  // IPC::Listener
38  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
39
40  void Init();
41  RenderProcessHost* GetProcess() const;
42  int routing_id() const { return routing_id_; }
43  void OnCreateChildFrame(int new_frame_routing_id,
44                          int64 parent_frame_id,
45                          int64 frame_id,
46                          const std::string& frame_name);
47
48  RenderViewHostImpl* render_view_host() {
49    return render_view_host_;
50  }
51
52 private:
53  // IPC Message handlers.
54  void OnDetach(int64 parent_frame_id, int64 frame_id);
55  void OnDidStartProvisionalLoadForFrame(int64 frame_id,
56                                         int64 parent_frame_id,
57                                         bool main_frame,
58                                         const GURL& url);
59
60  bool is_swapped_out() { return is_swapped_out_; }
61
62  // TODO(nasko): This should be removed and replaced by RenderProcessHost.
63  RenderViewHostImpl* render_view_host_;  // Not owned.
64
65  // Reference to the whole frame tree that this RenderFrameHost belongs too.
66  // Allows this RenderFrameHost to add and remove nodes in response to
67  // messages from the renderer requesting DOM manipulation.
68  FrameTree* frame_tree_;
69  int routing_id_;
70  bool is_swapped_out_;
71
72  DISALLOW_COPY_AND_ASSIGN(RenderFrameHostImpl);
73};
74
75}  // namespace content
76
77#endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_IMPL_H_
78