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(NETSCAPE_PLUGIN_API) 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>, IPC::Connection::Client { 46public: 47 static PassRefPtr<WebProcessConnection> create(IPC::Connection::Identifier); 48 virtual ~WebProcessConnection(); 49 50 IPC::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 57 void pluginDidBecomeVisible(unsigned pluginInstanceID); 58 void pluginDidBecomeHidden(unsigned pluginInstanceID); 59 60 void audioHardwareDidBecomeActive(); 61 void audioHardwareDidBecomeInactive(); 62 63private: 64 WebProcessConnection(IPC::Connection::Identifier); 65 66 void addPluginControllerProxy(std::unique_ptr<PluginControllerProxy>); 67 68 void destroyPluginControllerProxy(PluginControllerProxy*); 69 70 // IPC::Connection::Client 71 virtual void didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&) override; 72 virtual void didReceiveSyncMessage(IPC::Connection*, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&) override; 73 virtual void didClose(IPC::Connection*); 74 virtual void didReceiveInvalidMessage(IPC::Connection*, IPC::StringReference messageReceiverName, IPC::StringReference messageName); 75 76 // Message handlers. 77 void didReceiveWebProcessConnectionMessage(IPC::Connection*, IPC::MessageDecoder&); 78 void didReceiveSyncWebProcessConnectionMessage(IPC::Connection*, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&); 79 void createPlugin(const PluginCreationParameters&, PassRefPtr<Messages::WebProcessConnection::CreatePlugin::DelayedReply>); 80 void createPluginAsynchronously(const PluginCreationParameters&); 81 void destroyPlugin(uint64_t pluginInstanceID, bool asynchronousCreationIncomplete, PassRefPtr<Messages::WebProcessConnection::DestroyPlugin::DelayedReply>); 82 83 void createPluginInternal(const PluginCreationParameters&, bool& result, bool& wantsWheelEvents, uint32_t& remoteLayerClientID); 84 85 RefPtr<IPC::Connection> m_connection; 86 87 HashMap<uint64_t, std::unique_ptr<PluginControllerProxy>> m_pluginControllers; 88 RefPtr<NPRemoteObjectMap> m_npRemoteObjectMap; 89 HashSet<uint64_t> m_asynchronousInstanceIDsToIgnore; 90 HashSet<uint64_t> m_visiblePluginInstanceIDs; 91}; 92 93} // namespace WebKit 94 95#endif // ENABLE(NETSCAPE_PLUGIN_API) 96 97 98#endif // WebProcessConnection_h 99