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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 NetscapePluginModule_h
     27 #define NetscapePluginModule_h
     28 
     29 #include "Module.h"
     30 #include "PluginQuirks.h"
     31 #include <WebCore/npruntime_internal.h>
     32 #include <wtf/RefCounted.h>
     33 #include <wtf/text/WTFString.h>
     34 
     35 // FIXME: We should not include PluginInfoStore.h here. Instead,
     36 // PluginInfoStore::Plugin should be moved out into its own header which we can
     37 // put in Shared/Plugins.
     38 #include "PluginInfoStore.h"
     39 
     40 namespace WebKit {
     41 
     42 class NetscapePluginModule : public RefCounted<NetscapePluginModule> {
     43 public:
     44     static PassRefPtr<NetscapePluginModule> getOrCreate(const String& pluginPath);
     45     ~NetscapePluginModule();
     46 
     47     const NPPluginFuncs& pluginFuncs() const { return m_pluginFuncs; }
     48 
     49     void incrementLoadCount();
     50     void decrementLoadCount();
     51 
     52     static bool getPluginInfo(const String& pluginPath, PluginInfoStore::Plugin&);
     53 
     54     const PluginQuirks& pluginQuirks() const { return m_pluginQuirks; }
     55 
     56     // Return a list of domains for which the plug-in has data stored.
     57     Vector<String> sitesWithData();
     58 
     59     // Request that the plug-in clear the site data.
     60     bool clearSiteData(const String& site, uint64_t flags, uint64_t maxAge);
     61 
     62 private:
     63     explicit NetscapePluginModule(const String& pluginPath);
     64 
     65     void determineQuirks();
     66 
     67 #if PLUGIN_ARCHITECTURE(X11)
     68     void applyX11QuirksBeforeLoad();
     69 #endif
     70 
     71     bool tryGetSitesWithData(Vector<String>&);
     72     bool tryClearSiteData(const String& site, uint64_t flags, uint64_t maxAge);
     73 
     74     bool tryLoad();
     75     bool load();
     76     void unload();
     77 
     78     void shutdown();
     79 
     80     String m_pluginPath;
     81     bool m_isInitialized;
     82     unsigned m_loadCount;
     83 
     84     PluginQuirks m_pluginQuirks;
     85 
     86     NPP_ShutdownProcPtr m_shutdownProcPtr;
     87     NPPluginFuncs m_pluginFuncs;
     88 
     89     OwnPtr<Module> m_module;
     90 };
     91 
     92 } // namespace WebKit
     93 
     94 #endif // NetscapePluginModule_h
     95