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1 /*
2  * Copyright (C) 2010 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23  * THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #ifndef WebProcessConnection_h
27 #define WebProcessConnection_h
28 
29 #if ENABLE(PLUGIN_PROCESS)
30 
31 #include "Connection.h"
32 #include "Plugin.h"
33 #include <wtf/RefCounted.h>
34 
35 namespace WebKit {
36 
37 class NPRemoteObjectMap;
38 class PluginControllerProxy;
39 
40 // A connection from a plug-in process to a web process.
41 
42 class WebProcessConnection : public RefCounted<WebProcessConnection>, CoreIPC::Connection::Client {
43 public:
44     static PassRefPtr<WebProcessConnection> create(CoreIPC::Connection::Identifier);
45     virtual ~WebProcessConnection();
46 
connection()47     CoreIPC::Connection* connection() const { return m_connection.get(); }
npRemoteObjectMap()48     NPRemoteObjectMap* npRemoteObjectMap() const { return m_npRemoteObjectMap.get(); }
49 
50     void removePluginControllerProxy(PluginControllerProxy*, Plugin*);
51 
52 private:
53     WebProcessConnection(CoreIPC::Connection::Identifier);
54 
55     void addPluginControllerProxy(PassOwnPtr<PluginControllerProxy>);
56 
57     void destroyPluginControllerProxy(PluginControllerProxy*);
58 
59     // CoreIPC::Connection::Client
60     virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
61     virtual CoreIPC::SyncReplyMode didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, CoreIPC::ArgumentEncoder*);
62     virtual void didClose(CoreIPC::Connection*);
63     virtual void didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::MessageID);
64     virtual void syncMessageSendTimedOut(CoreIPC::Connection*);
65 
66     // Message handlers.
67     CoreIPC::SyncReplyMode didReceiveSyncWebProcessConnectionMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, CoreIPC::ArgumentEncoder*);
68     void createPlugin(uint64_t pluginInstanceID, const Plugin::Parameters&, const String& userAgent, bool isPrivateBrowsingEnabled, bool isAcceleratedCompositingEnabled, bool& result, uint32_t& remoteLayerClientID);
69     void destroyPlugin(uint64_t pluginInstanceID);
70 
71     RefPtr<CoreIPC::Connection> m_connection;
72 
73     HashMap<uint64_t, PluginControllerProxy*> m_pluginControllers;
74     RefPtr<NPRemoteObjectMap> m_npRemoteObjectMap;
75 };
76 
77 } // namespace WebKit
78 
79 #endif // ENABLE(PLUGIN_PROCESS)
80 
81 
82 #endif // WebProcessConnection_h
83