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Side by Side Diff: content/browser/renderer_host/java/java_bridge_dispatcher_host.h

Issue 11343017: Move remaining files in content\browser\renderer_host to content namespace. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: fix mac Created 8 years, 1 month ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_DISPATCHER_HOST_H_ 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_DISPATCHER_HOST_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_DISPATCHER_HOST_H_ 6 #define CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_DISPATCHER_HOST_H_
7 7
8 #include "base/memory/ref_counted.h" 8 #include "base/memory/ref_counted.h"
9 #include "base/string16.h" 9 #include "base/string16.h"
10 #include "content/public/browser/render_view_host_observer.h" 10 #include "content/public/browser/render_view_host_observer.h"
11 11
12 class RouteIDGenerator; 12 class RouteIDGenerator;
13 struct NPObject; 13 struct NPObject;
14 14
15 namespace content { 15 namespace content {
16 class NPChannelBase; 16 class NPChannelBase;
17 class RenderViewHost; 17 class RenderViewHost;
18 struct NPVariant_Param; 18 struct NPVariant_Param;
19 }
20 19
21 // This class handles injecting Java objects into a single RenderView. The Java 20 // This class handles injecting Java objects into a single RenderView. The Java
22 // object itself lives in the browser process on a background thread, while a 21 // object itself lives in the browser process on a background thread, while a
23 // proxy object is created in the renderer. An instance of this class exists 22 // proxy object is created in the renderer. An instance of this class exists
24 // for each RenderViewHost. 23 // for each RenderViewHost.
25 class JavaBridgeDispatcherHost 24 class JavaBridgeDispatcherHost
26 : public base::RefCountedThreadSafe<JavaBridgeDispatcherHost>, 25 : public base::RefCountedThreadSafe<JavaBridgeDispatcherHost>,
27 public content::RenderViewHostObserver { 26 public RenderViewHostObserver {
28 public: 27 public:
29 // We hold a weak pointer to the RenderViewhost. It must outlive this object. 28 // We hold a weak pointer to the RenderViewhost. It must outlive this object.
30 JavaBridgeDispatcherHost(content::RenderViewHost* render_view_host); 29 JavaBridgeDispatcherHost(RenderViewHost* render_view_host);
31 30
32 // Injects |object| into the main frame of the corresponding RenderView. A 31 // Injects |object| into the main frame of the corresponding RenderView. A
33 // proxy object is created in the renderer and when the main frame's window 32 // proxy object is created in the renderer and when the main frame's window
34 // object is next cleared, this proxy object is bound to the window object 33 // object is next cleared, this proxy object is bound to the window object
35 // using |name|. The proxy object remains bound until the next time the 34 // using |name|. The proxy object remains bound until the next time the
36 // window object is cleared after a call to RemoveNamedObject() or 35 // window object is cleared after a call to RemoveNamedObject() or
37 // AddNamedObject() with the same name. The proxy object proxies calls back 36 // AddNamedObject() with the same name. The proxy object proxies calls back
38 // to |object|, which is manipulated on the background thread. This class 37 // to |object|, which is manipulated on the background thread. This class
39 // holds a reference to |object| for the time that the proxy object is bound 38 // holds a reference to |object| for the time that the proxy object is bound
40 // to the window object. 39 // to the window object.
41 void AddNamedObject(const string16& name, NPObject* object); 40 void AddNamedObject(const string16& name, NPObject* object);
42 void RemoveNamedObject(const string16& name); 41 void RemoveNamedObject(const string16& name);
43 42
44 // RenderViewHostObserver overrides: 43 // RenderViewHostObserver overrides:
45 // The IPC macros require this to be public. 44 // The IPC macros require this to be public.
46 virtual bool Send(IPC::Message* msg) OVERRIDE; 45 virtual bool Send(IPC::Message* msg) OVERRIDE;
47 virtual void RenderViewHostDestroyed( 46 virtual void RenderViewHostDestroyed(
48 content::RenderViewHost* render_view_host) OVERRIDE; 47 RenderViewHost* render_view_host) OVERRIDE;
49 48
50 private: 49 private:
51 friend class base::RefCountedThreadSafe<JavaBridgeDispatcherHost>; 50 friend class base::RefCountedThreadSafe<JavaBridgeDispatcherHost>;
52 virtual ~JavaBridgeDispatcherHost(); 51 virtual ~JavaBridgeDispatcherHost();
53 52
54 // RenderViewHostObserver override: 53 // RenderViewHostObserver override:
55 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 54 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
56 55
57 // Message handlers 56 // Message handlers
58 void OnGetChannelHandle(IPC::Message* reply_msg); 57 void OnGetChannelHandle(IPC::Message* reply_msg);
59 58
60 void GetChannelHandle(IPC::Message* reply_msg); 59 void GetChannelHandle(IPC::Message* reply_msg);
61 void CreateNPVariantParam(NPObject* object, content::NPVariant_Param* param); 60 void CreateNPVariantParam(NPObject* object, NPVariant_Param* param);
62 void CreateObjectStub(NPObject* object, int route_id); 61 void CreateObjectStub(NPObject* object, int route_id);
63 62
64 scoped_refptr<content::NPChannelBase> channel_; 63 scoped_refptr<NPChannelBase> channel_;
65 bool is_renderer_initialized_; 64 bool is_renderer_initialized_;
66 65
67 DISALLOW_COPY_AND_ASSIGN(JavaBridgeDispatcherHost); 66 DISALLOW_COPY_AND_ASSIGN(JavaBridgeDispatcherHost);
68 }; 67 };
69 68
69 } // namespace content
70
70 #endif // CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_DISPATCHER_HOST_H_ 71 #endif // CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_DISPATCHER_HOST_H_
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