blob: a7d877efa288931988479e1f70e259b962421ab8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
// 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_RENDERER_JAVA_JAVA_BRIDGE_DISPATCHER_H_
#define CONTENT_RENDERER_JAVA_JAVA_BRIDGE_DISPATCHER_H_
#include "content/public/common/webkit_param_traits.h"
#include "content/public/renderer/render_view_observer.h"
#include "ipc/ipc_channel_handle.h"
class JavaBridgeChannel;
// This class handles injecting Java objects into the main frame of a
// RenderView. The 'add' and 'remove' messages received from the browser
// process modify the entries in a map of 'pending' objects. These objects are
// bound to the window object of the main frame when that window object is next
// cleared. These objects remain bound until the window object is cleared
// again.
class JavaBridgeDispatcher : public content::RenderViewObserver {
public:
JavaBridgeDispatcher(content::RenderView* render_view);
virtual ~JavaBridgeDispatcher();
private:
// RenderViewObserver override:
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void DidClearWindowObject(WebKit::WebFrame* frame) OVERRIDE;
// Message handlers
void OnAddNamedObject(const string16& name,
const NPVariant_Param& variant_param);
void OnRemoveNamedObject(const string16& name);
void EnsureChannelIsSetUp();
// Objects that will be bound to the window when the window object is next
// cleared. We hold a ref to these.
typedef std::map<string16, NPVariant> ObjectMap;
ObjectMap objects_;
scoped_ptr<JavaBridgeChannel> channel_;
};
#endif // CONTENT_RENDERER_JAVA_JAVA_BRIDGE_DISPATCHER_H_
|
