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72 lines
3.2 KiB
C++
72 lines
3.2 KiB
C++
/*
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* Copyright (C) 2009 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "bindings/core/v8/V8DOMWrapper.h"
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#include "bindings/core/v8/V8Binding.h"
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#include "bindings/core/v8/V8HTMLDocument.h"
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#include "bindings/core/v8/V8ObjectConstructor.h"
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#include "bindings/core/v8/V8PerContextData.h"
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#include "bindings/core/v8/V8ScriptRunner.h"
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#include "bindings/core/v8/V8Window.h"
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namespace blink {
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v8::Local<v8::Object> V8DOMWrapper::createWrapper(v8::Handle<v8::Object> creationContext, const WrapperTypeInfo* type, ScriptWrappableBase* internalPointer, v8::Isolate* isolate)
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{
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V8WrapperInstantiationScope scope(creationContext, isolate);
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V8PerContextData* data = V8PerContextData::from(scope.context());
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if (data)
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return data->createWrapperFromCache(type);
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return V8ObjectConstructor::newInstance(isolate, type->domTemplate(isolate)->GetFunction());
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}
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bool V8DOMWrapper::isDOMWrapper(v8::Handle<v8::Value> value)
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{
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if (value.IsEmpty() || !value->IsObject())
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return false;
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if (v8::Handle<v8::Object>::Cast(value)->InternalFieldCount() < v8DefaultWrapperInternalFieldCount)
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return false;
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v8::Handle<v8::Object> wrapper = v8::Handle<v8::Object>::Cast(value);
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ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex));
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ASSERT(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex));
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const WrapperTypeInfo* typeInfo = static_cast<const WrapperTypeInfo*>(wrapper->GetAlignedPointerFromInternalField(v8DOMWrapperTypeIndex));
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// FIXME: We should add a more strict way to check if the typeInfo is a typeInfo of some DOM wrapper.
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// Even if it's a typeInfo of Blink, it's not guaranteed that it's a typeInfo of a DOM wrapper.
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return typeInfo->ginEmbedder == gin::kEmbedderBlink;
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}
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} // namespace blink
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