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      1 /*
      2  * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved.
      3  * Copyright (C) 2014 Opera Software ASA. All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  *     * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  *     * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 #ifndef NPV8Object_h
     32 #define NPV8Object_h
     33 
     34 #include "bindings/core/v8/V8DOMWrapper.h"
     35 
     36 // Chromium uses npruntime.h from the Chromium source repository under
     37 // third_party/npapi/bindings.
     38 #include <bindings/npruntime.h>
     39 #include <v8.h>
     40 
     41 namespace blink {
     42 
     43 class LocalDOMWindow;
     44 class ScriptWrappableBase;
     45 
     46 static const int npObjectInternalFieldCount = v8DefaultWrapperInternalFieldCount + 0;
     47 
     48 const WrapperTypeInfo* npObjectTypeInfo();
     49 
     50 // A V8NPObject is a NPObject which carries additional V8-specific information.
     51 // It is created with npCreateV8ScriptObject() and deallocated via the deallocate
     52 // method in the same way as other NPObjects.
     53 struct V8NPObject {
     54     WTF_MAKE_NONCOPYABLE(V8NPObject);
     55 public:
     56     NPObject object;
     57     v8::Persistent<v8::Object> v8Object;
     58     LocalDOMWindow* rootObject;
     59 };
     60 
     61 struct PrivateIdentifier {
     62     union {
     63         const NPUTF8* string;
     64         int32_t number;
     65     } value;
     66     bool isString;
     67 };
     68 
     69 NPObject* npCreateV8ScriptObject(NPP, v8::Handle<v8::Object>, LocalDOMWindow*, v8::Isolate*);
     70 
     71 NPObject* v8ObjectToNPObject(v8::Handle<v8::Object>);
     72 
     73 bool isWrappedNPObject(v8::Handle<v8::Object>);
     74 
     75 V8NPObject* npObjectToV8NPObject(NPObject*);
     76 
     77 ScriptWrappableBase* npObjectToScriptWrappableBase(NPObject*);
     78 
     79 void disposeUnderlyingV8Object(NPObject*, v8::Isolate*);
     80 
     81 } // namespace blink
     82 
     83 #endif // NPV8Object_h
     84