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 "PluginProcess.h" 34#include "PluginProcessAttributes.h" 35#include <wtf/RefCounted.h> 36 37// A CoreIPC connection to a plug-in process. 38 39namespace WebKit { 40 41class NPRemoteObjectMap; 42class PluginProcessConnectionManager; 43class PluginProxy; 44 45class PluginProcessConnection : public RefCounted<PluginProcessConnection>, CoreIPC::Connection::Client { 46public: 47 static PassRefPtr<PluginProcessConnection> create(PluginProcessConnectionManager* pluginProcessConnectionManager, uint64_t pluginProcessToken, CoreIPC::Connection::Identifier connectionIdentifier, bool supportsAsynchronousPluginInitialization) 48 { 49 return adoptRef(new PluginProcessConnection(pluginProcessConnectionManager, pluginProcessToken, connectionIdentifier, supportsAsynchronousPluginInitialization)); 50 } 51 ~PluginProcessConnection(); 52 53 uint64_t pluginProcessToken() const { return m_pluginProcessToken; } 54 55 CoreIPC::Connection* connection() const { return m_connection.get(); } 56 57 void addPluginProxy(PluginProxy*); 58 void removePluginProxy(PluginProxy*); 59 60 NPRemoteObjectMap* npRemoteObjectMap() const { return m_npRemoteObjectMap.get(); } 61 62 bool supportsAsynchronousPluginInitialization() const { return m_supportsAsynchronousPluginInitialization; } 63 64private: 65 PluginProcessConnection(PluginProcessConnectionManager*, uint64_t pluginProcessToken, CoreIPC::Connection::Identifier connectionIdentifier, bool supportsAsynchronousInitialization); 66 67 // CoreIPC::Connection::Client 68 virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) OVERRIDE; 69 virtual void didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&, OwnPtr<CoreIPC::MessageEncoder>&) OVERRIDE; 70 virtual void didClose(CoreIPC::Connection*); 71 virtual void didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::StringReference messageReceiverName, CoreIPC::StringReference messageName) OVERRIDE; 72 73 // Message handlers. 74 void didReceiveSyncPluginProcessConnectionMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&, OwnPtr<CoreIPC::MessageEncoder>&); 75 void setException(const String&); 76 77 PluginProcessConnectionManager* m_pluginProcessConnectionManager; 78 uint64_t m_pluginProcessToken; 79 80 // The connection from the web process to the plug-in process. 81 RefPtr<CoreIPC::Connection> m_connection; 82 83 // The plug-ins. We use a weak reference to the plug-in proxies because the plug-in view holds the strong reference. 84 HashMap<uint64_t, PluginProxy*> m_plugins; 85 86 RefPtr<NPRemoteObjectMap> m_npRemoteObjectMap; 87 88 bool m_supportsAsynchronousPluginInitialization; 89}; 90 91} // namespace WebKit 92 93#endif // ENABLE(PLUGIN_PROCESS) 94 95#endif // PluginProcessConnection_h 96