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 PluginProcessConnection_h
27#define PluginProcessConnection_h
28
29#if ENABLE(PLUGIN_PROCESS)
30
31#include "Connection.h"
32#include "Plugin.h"
33#include <wtf/RefCounted.h>
34#include <wtf/text/WTFString.h>
35
36// A CoreIPC connection to a plug-in process.
37
38namespace WebKit {
39
40class NPRemoteObjectMap;
41class PluginProcessConnectionManager;
42class PluginProxy;
43
44class PluginProcessConnection : public RefCounted<PluginProcessConnection>, CoreIPC::Connection::Client {
45public:
46    static PassRefPtr<PluginProcessConnection> create(PluginProcessConnectionManager* pluginProcessConnectionManager, const String& pluginPath, CoreIPC::Connection::Identifier connectionIdentifier)
47    {
48        return adoptRef(new PluginProcessConnection(pluginProcessConnectionManager, pluginPath, connectionIdentifier));
49    }
50    ~PluginProcessConnection();
51
52    const String& pluginPath() const { return m_pluginPath; }
53
54    CoreIPC::Connection* connection() const { return m_connection.get(); }
55
56    void addPluginProxy(PluginProxy*);
57    void removePluginProxy(PluginProxy*);
58
59    NPRemoteObjectMap* npRemoteObjectMap() const { return m_npRemoteObjectMap.get(); }
60
61private:
62    PluginProcessConnection(PluginProcessConnectionManager* pluginProcessConnectionManager, const String& pluginPath, CoreIPC::Connection::Identifier connectionIdentifier);
63
64    // CoreIPC::Connection::Client
65    virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
66    virtual CoreIPC::SyncReplyMode didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, CoreIPC::ArgumentEncoder*);
67    virtual void didClose(CoreIPC::Connection*);
68    virtual void didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::MessageID);
69    virtual void syncMessageSendTimedOut(CoreIPC::Connection*);
70
71    PluginProcessConnectionManager* m_pluginProcessConnectionManager;
72    String m_pluginPath;
73
74    // The connection from the web process to the plug-in process.
75    RefPtr<CoreIPC::Connection> m_connection;
76
77    // The plug-ins. We use a weak reference to the plug-in proxies because the plug-in view holds the strong reference.
78    HashMap<uint64_t, PluginProxy*> m_plugins;
79
80    RefPtr<NPRemoteObjectMap> m_npRemoteObjectMap;
81};
82
83} // namespace WebKit
84
85#endif // ENABLE(PLUGIN_PROCESS)
86
87#endif // PluginProcessConnection_h
88