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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 #include "core/dom/DOMDataView.h" | 6 #include "core/dom/DOMDataView.h" |
7 | 7 |
8 #include "bindings/core/v8/DOMDataStore.h" | 8 #include "bindings/core/v8/DOMDataStore.h" |
9 #include "bindings/core/v8/V8ArrayBuffer.h" | 9 #include "bindings/core/v8/V8ArrayBuffer.h" |
10 #include "bindings/core/v8/V8DOMWrapper.h" | 10 #include "bindings/core/v8/V8DOMWrapper.h" |
11 | 11 |
12 namespace blink { | 12 namespace blink { |
13 | 13 |
14 PassRefPtr<DOMDataView> DOMDataView::create(PassRefPtr<DOMArrayBuffer> prpBuffer
, unsigned byteOffset, unsigned byteLength) | 14 PassRefPtr<DOMDataView> DOMDataView::create(PassRefPtr<DOMArrayBuffer> prpBuffer
, unsigned byteOffset, unsigned byteLength) |
15 { | 15 { |
16 RefPtr<DOMArrayBuffer> buffer = prpBuffer; | 16 RefPtr<DOMArrayBuffer> buffer = prpBuffer; |
17 RefPtr<DataView> dataView = DataView::create(buffer->buffer(), byteOffset, b
yteLength); | 17 RefPtr<DataView> dataView = DataView::create(buffer->buffer(), byteOffset, b
yteLength); |
18 return adoptRef(new DOMDataView(dataView.release(), buffer.release())); | 18 return adoptRef(new DOMDataView(dataView.release(), buffer.release())); |
19 } | 19 } |
20 | 20 |
21 v8::Local<v8::Object> DOMDataView::wrap(v8::Local<v8::Object> creationContext, v
8::Isolate* isolate) | 21 v8::Local<v8::Object> DOMDataView::wrap(v8::Isolate* isolate, v8::Local<v8::Obje
ct> creationContext) |
22 { | 22 { |
23 // It's possible that no one except for the new wrapper owns this object at | 23 // It's possible that no one except for the new wrapper owns this object at |
24 // this moment, so we have to prevent GC to collect this object until the | 24 // this moment, so we have to prevent GC to collect this object until the |
25 // object gets associated with the wrapper. | 25 // object gets associated with the wrapper. |
26 RefPtr<DOMDataView> protect(this); | 26 RefPtr<DOMDataView> protect(this); |
27 | 27 |
28 ASSERT(!DOMDataStore::containsWrapper(this, isolate)); | 28 ASSERT(!DOMDataStore::containsWrapper(this, isolate)); |
29 | 29 |
30 const WrapperTypeInfo* wrapperTypeInfo = this->wrapperTypeInfo(); | 30 const WrapperTypeInfo* wrapperTypeInfo = this->wrapperTypeInfo(); |
31 v8::Local<v8::Value> v8Buffer = toV8(buffer(), creationContext, isolate); | 31 v8::Local<v8::Value> v8Buffer = toV8(buffer(), creationContext, isolate); |
32 ASSERT(v8Buffer->IsArrayBuffer()); | 32 ASSERT(v8Buffer->IsArrayBuffer()); |
33 | 33 |
34 v8::Local<v8::Object> wrapper = v8::DataView::New(v8Buffer.As<v8::ArrayBuffe
r>(), byteOffset(), byteLength()); | 34 v8::Local<v8::Object> wrapper = v8::DataView::New(v8Buffer.As<v8::ArrayBuffe
r>(), byteOffset(), byteLength()); |
35 | 35 |
36 return associateWithWrapper(isolate, wrapperTypeInfo, wrapper); | 36 return associateWithWrapper(isolate, wrapperTypeInfo, wrapper); |
37 } | 37 } |
38 | 38 |
39 v8::Local<v8::Object> DOMDataView::associateWithWrapper(v8::Isolate* isolate, co
nst WrapperTypeInfo* wrapperTypeInfo, v8::Local<v8::Object> wrapper) | 39 v8::Local<v8::Object> DOMDataView::associateWithWrapper(v8::Isolate* isolate, co
nst WrapperTypeInfo* wrapperTypeInfo, v8::Local<v8::Object> wrapper) |
40 { | 40 { |
41 return V8DOMWrapper::associateObjectWithWrapper(isolate, this, wrapperTypeIn
fo, wrapper); | 41 return V8DOMWrapper::associateObjectWithWrapper(isolate, this, wrapperTypeIn
fo, wrapper); |
42 } | 42 } |
43 | 43 |
44 } // namespace blink | 44 } // namespace blink |
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