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1 // Copyright (c) 2011 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_RENDERER_JAVA_BRIDGE_DISPATCHER_HOST_MANAGER_H_ | |
6 #define CONTENT_BROWSER_RENDERER_JAVA_BRIDGE_DISPATCHER_HOST_MANAGER_H_ | |
7 #pragma once | |
8 | |
9 #include <map> | |
10 | |
11 #include "base/memory/ref_counted.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "base/string16.h" | |
14 #include "content/browser/tab_contents/tab_contents_observer.h" | |
15 | |
16 class JavaBridgeDispatcherHost; | |
17 class RenderViewHost; | |
18 struct NPObject; | |
19 | |
20 // This class handles injecting Java objects into all of the RenderViews | |
21 // associated with a TabContents. It manages a set of JavaBridgeDispatcherHost | |
22 // objects, one per RenderViewHost. | |
23 class JavaBridgeDispatcherHostManager : public TabContentsObserver { | |
24 public: | |
25 JavaBridgeDispatcherHostManager(TabContents* tab_contents); | |
26 virtual ~JavaBridgeDispatcherHostManager(); | |
27 | |
28 // These methods add or remove the object to each JavaBridgeDispatcherHost. | |
29 // Each one holds a reference to the NPObject while the object is bound to | |
30 // the corresponding RenderView. See JavaBridgeDispatcherHost for details. | |
31 void AddNamedObject(const string16& name, NPObject* object); | |
32 void RemoveNamedObject(const string16& name); | |
33 | |
34 // TabContentsObserver overrides | |
35 virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE; | |
36 virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE; | |
37 virtual void TabContentsDestroyed(TabContents* tab_contents) OVERRIDE; | |
38 | |
39 private: | |
40 typedef std::map<RenderViewHost*, scoped_refptr<JavaBridgeDispatcherHost> > | |
41 InstanceMap; | |
42 InstanceMap instances_; | |
43 typedef std::map<string16, NPObject*> ObjectMap; | |
44 ObjectMap objects_; | |
45 | |
46 DISALLOW_COPY_AND_ASSIGN(JavaBridgeDispatcherHostManager); | |
47 }; | |
48 | |
49 #endif // CONTENT_BROWSER_RENDERER_JAVA_BRIDGE_DISPATCHER_HOST_MANAGER_H_ | |
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