Home | History | Annotate | Download | only in Plugins
      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 NPObjectProxy_h
     27 #define NPObjectProxy_h
     28 
     29 #if ENABLE(PLUGIN_PROCESS)
     30 
     31 #include <WebCore/npruntime_internal.h>
     32 #include <wtf/Noncopyable.h>
     33 
     34 namespace WebKit {
     35 
     36 class NPRemoteObjectMap;
     37 class Plugin;
     38 
     39 class NPObjectProxy : public NPObject {
     40     WTF_MAKE_NONCOPYABLE(NPObjectProxy);
     41 
     42 public:
     43     static NPObjectProxy* create(NPRemoteObjectMap*, Plugin*, uint64_t npObjectID);
     44 
     45     static bool isNPObjectProxy(NPObject*);
     46 
     47     static NPObjectProxy* toNPObjectProxy(NPObject* npObject)
     48     {
     49         ASSERT(isNPObjectProxy(npObject));
     50         return static_cast<NPObjectProxy*>(npObject);
     51     }
     52 
     53     Plugin* plugin() const { return m_plugin; }
     54     uint64_t npObjectID() const { return m_npObjectID; }
     55 
     56     void invalidate();
     57 
     58 private:
     59     NPObjectProxy();
     60     ~NPObjectProxy();
     61 
     62     void initialize(NPRemoteObjectMap*, Plugin*, uint64_t npObjectID);
     63 
     64     bool hasMethod(NPIdentifier methodName);
     65     bool invoke(NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
     66     bool invokeDefault(const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
     67     bool hasProperty(NPIdentifier propertyName);
     68     bool getProperty(NPIdentifier propertyName, NPVariant* result);
     69     bool setProperty(NPIdentifier propertyName, const NPVariant* value);
     70     bool removeProperty(NPIdentifier propertyName);
     71     bool enumerate(NPIdentifier** identifiers, uint32_t* identifierCount);
     72     bool construct(const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
     73 
     74     static NPClass* npClass();
     75     static NPObject* NP_Allocate(NPP, NPClass*);
     76     static void NP_Deallocate(NPObject*);
     77     static bool NP_HasMethod(NPObject*, NPIdentifier methodName);
     78     static bool NP_Invoke(NPObject*, NPIdentifier methodName, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
     79     static bool NP_InvokeDefault(NPObject*, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
     80     static bool NP_HasProperty(NPObject*, NPIdentifier propertyName);
     81     static bool NP_GetProperty(NPObject*, NPIdentifier propertyName, NPVariant* result);
     82     static bool NP_SetProperty(NPObject*, NPIdentifier propertyName, const NPVariant* value);
     83     static bool NP_RemoveProperty(NPObject*, NPIdentifier propertyName);
     84     static bool NP_Enumerate(NPObject*, NPIdentifier** identifiers, uint32_t* identifierCount);
     85     static bool NP_Construct(NPObject*, const NPVariant* arguments, uint32_t argumentCount, NPVariant* result);
     86 
     87     NPRemoteObjectMap* m_npRemoteObjectMap;
     88     Plugin* m_plugin;
     89     uint64_t m_npObjectID;
     90 };
     91 
     92 } // namespace WebKit
     93 
     94 #endif // ENABLE(PLUGIN_PROCESS)
     95 
     96 #endif // NPObjectProxy_h
     97