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 "WebProcessConnectionMessages.h" 34#include <wtf/HashSet.h> 35#include <wtf/RefCounted.h> 36 37namespace WebKit { 38 39class NPRemoteObjectMap; 40class PluginControllerProxy; 41struct PluginCreationParameters; 42 43// A connection from a plug-in process to a web process. 44 45class WebProcessConnection : public RefCounted<WebProcessConnection>, CoreIPC::Connection::Client { 46public: 47 static PassRefPtr<WebProcessConnection> create(CoreIPC::Connection::Identifier); 48 virtual ~WebProcessConnection(); 49 50 CoreIPC::Connection* connection() const { return m_connection.get(); } 51 NPRemoteObjectMap* npRemoteObjectMap() const { return m_npRemoteObjectMap.get(); } 52 53 void removePluginControllerProxy(PluginControllerProxy*, Plugin*); 54 55 static void setGlobalException(const String&); 56 57private: 58 WebProcessConnection(CoreIPC::Connection::Identifier); 59 60 void addPluginControllerProxy(PassOwnPtr<PluginControllerProxy>); 61 62 void destroyPluginControllerProxy(PluginControllerProxy*); 63 64 // CoreIPC::Connection::Client 65 virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&) OVERRIDE; 66 virtual void didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&, OwnPtr<CoreIPC::MessageEncoder>&) OVERRIDE; 67 virtual void didClose(CoreIPC::Connection*); 68 virtual void didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::StringReference messageReceiverName, CoreIPC::StringReference messageName); 69 70 // Message handlers. 71 void didReceiveWebProcessConnectionMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&); 72 void didReceiveSyncWebProcessConnectionMessage(CoreIPC::Connection*, CoreIPC::MessageDecoder&, OwnPtr<CoreIPC::MessageEncoder>&); 73 void createPlugin(const PluginCreationParameters&, PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>); 74 void createPluginAsynchronously(const PluginCreationParameters&); 75 void destroyPlugin(uint64_t pluginInstanceID, bool asynchronousCreationIncomplete); 76 77 void createPluginInternal(const PluginCreationParameters&, bool& result, bool& wantsWheelEvents, uint32_t& remoteLayerClientID); 78 79 RefPtr<CoreIPC::Connection> m_connection; 80 81 HashMap<uint64_t, OwnPtr<PluginControllerProxy>> m_pluginControllers; 82 RefPtr<NPRemoteObjectMap> m_npRemoteObjectMap; 83 HashSet<uint64_t> m_asynchronousInstanceIDsToIgnore; 84}; 85 86} // namespace WebKit 87 88#endif // ENABLE(PLUGIN_PROCESS) 89 90 91#endif // WebProcessConnection_h 92