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      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 PluginProcess_h
     27 #define PluginProcess_h
     28 
     29 #if ENABLE(PLUGIN_PROCESS)
     30 
     31 #include "ChildProcess.h"
     32 #include "RunLoop.h"
     33 #include <wtf/Forward.h>
     34 #include <wtf/text/WTFString.h>
     35 
     36 namespace WebKit {
     37 
     38 class NetscapePluginModule;
     39 class WebProcessConnection;
     40 struct PluginProcessCreationParameters;
     41 
     42 class PluginProcess : ChildProcess {
     43     WTF_MAKE_NONCOPYABLE(PluginProcess);
     44 public:
     45     static PluginProcess& shared();
     46 
     47     void initialize(CoreIPC::Connection::Identifier, RunLoop*);
     48     void removeWebProcessConnection(WebProcessConnection* webProcessConnection);
     49 
     50     NetscapePluginModule* netscapePluginModule();
     51 
     52 #if PLATFORM(MAC)
     53     void initializeShim();
     54 
     55     void setModalWindowIsShowing(bool);
     56     void setFullscreenWindowIsShowing(bool);
     57 
     58 #if USE(ACCELERATED_COMPOSITING)
     59     mach_port_t compositingRenderServerPort() const { return m_compositingRenderServerPort; }
     60 #endif
     61 #endif
     62 
     63 private:
     64     PluginProcess();
     65     ~PluginProcess();
     66 
     67     // ChildProcess
     68     virtual bool shouldTerminate();
     69 
     70     // CoreIPC::Connection::Client
     71     virtual void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
     72     virtual void didClose(CoreIPC::Connection*);
     73     virtual void didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::MessageID);
     74     virtual void syncMessageSendTimedOut(CoreIPC::Connection*);
     75 
     76     // Message handlers.
     77     void didReceivePluginProcessMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
     78     void initializePluginProcess(const PluginProcessCreationParameters&);
     79     void createWebProcessConnection();
     80     void getSitesWithData(uint64_t callbackID);
     81     void clearSiteData(const Vector<String>& sites, uint64_t flags, uint64_t maxAgeInSeconds, uint64_t callbackID);
     82 
     83     void platformInitialize(const PluginProcessCreationParameters&);
     84 
     85     // The connection to the UI process.
     86     RefPtr<CoreIPC::Connection> m_connection;
     87 
     88     // Our web process connections.
     89     Vector<RefPtr<WebProcessConnection> > m_webProcessConnections;
     90 
     91     // The plug-in path.
     92     String m_pluginPath;
     93 
     94     // The plug-in module.
     95     RefPtr<NetscapePluginModule> m_pluginModule;
     96 
     97 #if USE(ACCELERATED_COMPOSITING) && PLATFORM(MAC)
     98     // The Mach port used for accelerated compositing.
     99     mach_port_t m_compositingRenderServerPort;
    100 #endif
    101 
    102 };
    103 
    104 } // namespace WebKit
    105 
    106 #endif // ENABLE(PLUGIN_PROCESS)
    107 
    108 #endif // PluginProcess_h
    109