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(NETSCAPE_PLUGIN_API) 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 37namespace WebKit { 38 39class NPObjectMessageReceiver; 40class NPObjectProxy; 41class NPVariantData; 42class Plugin; 43 44class NPRemoteObjectMap : public RefCounted<NPRemoteObjectMap> { 45public: 46 static PassRefPtr<NPRemoteObjectMap> create(IPC::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 NPVariantData npVariantToNPVariantData(const NPVariant&, Plugin*); 58 NPVariant npVariantDataToNPVariant(const NPVariantData&, Plugin*); 59 60 IPC::Connection* connection() const { return m_connection; } 61 62 void pluginDestroyed(Plugin*); 63 64 void didReceiveSyncMessage(IPC::Connection*, IPC::MessageDecoder&, std::unique_ptr<IPC::MessageEncoder>&); 65 66private: 67 explicit NPRemoteObjectMap(IPC::Connection*); 68 IPC::Connection* m_connection; 69 70 // A map of NPObjectMessageReceiver classes, wrapping objects that we export to the 71 // other end of the connection. 72 HashMap<uint64_t, NPObjectMessageReceiver*> m_registeredNPObjects; 73 74 // A set of NPObjectProxy objects associated with this map. 75 HashSet<NPObjectProxy*> m_npObjectProxies; 76}; 77 78} // namespace WebKit 79 80#endif // ENABLE(NETSCAPE_PLUGIN_API) 81 82#endif // NPRemoteObjectMap_h 83