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 NPRemoteObjectMap_h 27 #define NPRemoteObjectMap_h 28 29 #if ENABLE(PLUGIN_PROCESS) 30 31 #include "Connection.h" 32 #include <WebCore/npruntime.h> 33 #include <wtf/HashMap.h> 34 #include <wtf/HashSet.h> 35 #include <wtf/RefCounted.h> 36 37 namespace WebKit { 38 39 class NPObjectMessageReceiver; 40 class NPObjectProxy; 41 class NPVariantData; 42 class Plugin; 43 44 class NPRemoteObjectMap : public RefCounted<NPRemoteObjectMap> { 45 public: 46 static PassRefPtr<NPRemoteObjectMap> create(CoreIPC::Connection*); 47 ~NPRemoteObjectMap(); 48 49 // Creates an NPObjectProxy wrapper for the remote object with the given remote object ID. 50 NPObject* createNPObjectProxy(uint64_t remoteObjectID, Plugin*); 51 void npObjectProxyDestroyed(NPObject*); 52 53 // Expose the given NPObject as a remote object. Returns the objectID. 54 uint64_t registerNPObject(NPObject*, Plugin*); 55 void unregisterNPObject(uint64_t); 56 57 // Given an NPVariant, creates an NPVariantData object (a CoreIPC representation of an NPVariant). 58 NPVariantData npVariantToNPVariantData(const NPVariant&, Plugin*); 59 60 // Given an NPVariantData, creates an NPVariant object. 61 NPVariant npVariantDataToNPVariant(const NPVariantData&, Plugin*); 62 63 CoreIPC::Connection* connection() const { return m_connection; } 64 65 void pluginDestroyed(Plugin*); 66 67 CoreIPC::SyncReplyMode didReceiveSyncMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments, CoreIPC::ArgumentEncoder* reply); 68 69 private: 70 explicit NPRemoteObjectMap(CoreIPC::Connection*); 71 CoreIPC::Connection* m_connection; 72 73 // A map of NPObjectMessageReceiver classes, wrapping objects that we export to the 74 // other end of the connection. 75 HashMap<uint64_t, NPObjectMessageReceiver*> m_registeredNPObjects; 76 77 // A set of NPObjectProxy objects associated with this map. 78 HashSet<NPObjectProxy*> m_npObjectProxies; 79 }; 80 81 } // namespace WebKit 82 83 #endif // ENABLE(PLUGIN_PROCESS) 84 85 #endif // NPRemoteObjectMap_h 86
