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      1 /*
      2  * Copyright (C) 2013 Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef V8DataViewCustom_h
     32 #define V8DataViewCustom_h
     33 
     34 #include "bindings/v8/custom/V8TypedArrayCustom.h"
     35 #include "core/html/canvas/DataView.h"
     36 
     37 namespace WebCore {
     38 
     39 template<>
     40 class TypedArrayTraits<DataView> {
     41 public:
     42     typedef v8::DataView V8Type;
     43 
     44     static bool IsInstance(v8::Handle<v8::Value> value)
     45     {
     46         return value->IsDataView();
     47     }
     48 
     49     static size_t length(v8::Handle<v8::DataView> value)
     50     {
     51         return value->ByteLength();
     52     }
     53 
     54     static size_t length(DataView* array)
     55     {
     56         return array->byteLength();
     57     }
     58 };
     59 
     60 typedef V8TypedArray<DataView> V8DataView;
     61 
     62 inline v8::Handle<v8::Object> wrap(DataView* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
     63 {
     64     return V8TypedArray<DataView>::wrap(impl, creationContext, isolate);
     65 }
     66 
     67 inline v8::Handle<v8::Value> toV8(DataView* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
     68 {
     69     return V8TypedArray<DataView>::toV8(impl, creationContext, isolate);
     70 }
     71 
     72 template<class CallbackInfo>
     73 inline void v8SetReturnValue(const CallbackInfo& info, DataView* impl)
     74 {
     75     V8TypedArray<DataView>::v8SetReturnValue(info, impl);
     76 }
     77 
     78 template<class CallbackInfo>
     79 inline void v8SetReturnValueForMainWorld(const CallbackInfo& info, DataView* impl)
     80 {
     81     V8TypedArray<DataView>::v8SetReturnValueForMainWorld(info, impl);
     82 }
     83 
     84 template<class CallbackInfo, class Wrappable>
     85 inline void v8SetReturnValueFast(const CallbackInfo& info, DataView* impl, Wrappable* wrappable)
     86 {
     87     V8TypedArray<DataView>::v8SetReturnValueFast(info, impl, wrappable);
     88 }
     89 
     90 inline v8::Handle<v8::Value> toV8(PassRefPtr< DataView > impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
     91 {
     92     return toV8(impl.get(), creationContext, isolate);
     93 }
     94 
     95 template<class CallbackInfo>
     96 inline void v8SetReturnValue(const CallbackInfo& info, PassRefPtr<DataView> impl)
     97 {
     98     v8SetReturnValue(info, impl.get());
     99 }
    100 
    101 template<class CallbackInfo>
    102 inline void v8SetReturnValueForMainWorld(const CallbackInfo& info, PassRefPtr<DataView> impl)
    103 {
    104     v8SetReturnValueForMainWorld(info, impl.get());
    105 }
    106 
    107 template<class CallbackInfo, class Wrappable>
    108 inline void v8SetReturnValueFast(const CallbackInfo& info, PassRefPtr<DataView> impl, Wrappable* wrappable)
    109 {
    110     v8SetReturnValueFast(info, impl.get(), wrappable);
    111 }
    112 
    113 } // namespace WebCore
    114 
    115 #endif
    116