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#include "config.h" 27#include "PluginProcessConnection.h" 28 29#if ENABLE(NETSCAPE_PLUGIN_API) 30 31#include "NPObjectMessageReceiverMessages.h" 32#include "NPRemoteObjectMap.h" 33#include "NPRuntimeObjectMap.h" 34#include "PluginProcessConnectionManager.h" 35#include "PluginProxy.h" 36#include "WebProcess.h" 37#include "WebProcessProxyMessages.h" 38#include <WebCore/FileSystem.h> 39#include <runtime/JSObject.h> 40 41using namespace WebCore; 42 43namespace WebKit { 44 45PluginProcessConnection::PluginProcessConnection(PluginProcessConnectionManager* pluginProcessConnectionManager, uint64_t pluginProcessToken, IPC::Connection::Identifier connectionIdentifier, bool supportsAsynchronousPluginInitialization) 46 : m_pluginProcessConnectionManager(pluginProcessConnectionManager) 47 , m_pluginProcessToken(pluginProcessToken) 48 , m_supportsAsynchronousPluginInitialization(supportsAsynchronousPluginInitialization) 49 , m_audioHardwareActivity(WebCore::AudioHardwareActivityType::Unknown) 50{ 51 m_connection = IPC::Connection::createClientConnection(connectionIdentifier, this, RunLoop::main()); 52 53 m_npRemoteObjectMap = NPRemoteObjectMap::create(m_connection.get()); 54 55 m_connection->open(); 56} 57 58PluginProcessConnection::~PluginProcessConnection() 59{ 60 ASSERT(!m_connection); 61 ASSERT(!m_npRemoteObjectMap); 62} 63 64void PluginProcessConnection::addPluginProxy(PluginProxy* plugin) 65{ 66 ASSERT(!m_plugins.contains(plugin->pluginInstanceID())); 67 m_plugins.set(plugin->pluginInstanceID(), plugin); 68} 69 70void PluginProcessConnection::removePluginProxy(PluginProxy* plugin) 71{ 72 ASSERT(m_plugins.contains(plugin->pluginInstanceID())); 73 m_plugins.remove(plugin->pluginInstanceID()); 74 75 // Invalidate all objects related to this plug-in. 76 m_npRemoteObjectMap->pluginDestroyed(plugin); 77 78 if (!m_plugins.isEmpty()) 79 return; 80 81 m_npRemoteObjectMap = nullptr; 82 83 // We have no more plug-ins, invalidate the connection to the plug-in process. 84 ASSERT(m_connection); 85 m_connection->invalidate(); 86 m_connection = nullptr; 87 88 // This will cause us to be deleted. 89 m_pluginProcessConnectionManager->removePluginProcessConnection(this); 90} 91 92void PluginProcessConnection::didReceiveMessage(IPC::Connection* connection, IPC::MessageDecoder& decoder) 93{ 94 if (!decoder.destinationID()) { 95 didReceivePluginProcessConnectionMessage(connection, decoder); 96 return; 97 } 98 99 ASSERT(decoder.destinationID()); 100 101 PluginProxy* pluginProxy = m_plugins.get(decoder.destinationID()); 102 if (!pluginProxy) 103 return; 104 105 pluginProxy->didReceivePluginProxyMessage(connection, decoder); 106} 107 108void PluginProcessConnection::didReceiveSyncMessage(IPC::Connection* connection, IPC::MessageDecoder& decoder, std::unique_ptr<IPC::MessageEncoder>& replyEncoder) 109{ 110 if (decoder.messageReceiverName() == Messages::NPObjectMessageReceiver::messageReceiverName()) { 111 m_npRemoteObjectMap->didReceiveSyncMessage(connection, decoder, replyEncoder); 112 return; 113 } 114 115 uint64_t destinationID = decoder.destinationID(); 116 117 if (!destinationID) { 118 didReceiveSyncPluginProcessConnectionMessage(connection, decoder, replyEncoder); 119 return; 120 } 121 122 PluginProxy* pluginProxy = m_plugins.get(destinationID); 123 if (!pluginProxy) 124 return; 125 126 pluginProxy->didReceiveSyncPluginProxyMessage(connection, decoder, replyEncoder); 127} 128 129void PluginProcessConnection::didClose(IPC::Connection*) 130{ 131 // The plug-in process must have crashed. 132 for (HashMap<uint64_t, PluginProxy*>::const_iterator::Values it = m_plugins.begin().values(), end = m_plugins.end().values(); it != end; ++it) { 133 PluginProxy* pluginProxy = (*it); 134 135 pluginProxy->pluginProcessCrashed(); 136 } 137} 138 139void PluginProcessConnection::didReceiveInvalidMessage(IPC::Connection*, IPC::StringReference, IPC::StringReference) 140{ 141} 142 143void PluginProcessConnection::setException(const String& exceptionString) 144{ 145 NPRuntimeObjectMap::setGlobalException(exceptionString); 146} 147 148void PluginProcessConnection::audioHardwareDidBecomeActive() 149{ 150 m_audioHardwareActivity = WebCore::AudioHardwareActivityType::IsActive; 151} 152 153void PluginProcessConnection::audioHardwareDidBecomeInactive() 154{ 155 m_audioHardwareActivity = WebCore::AudioHardwareActivityType::IsInactive; 156} 157 158} // namespace WebKit 159 160#endif // ENABLE(NETSCAPE_PLUGIN_API) 161