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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 #ifndef DOMArrayBufferView_h | 5 #ifndef DOMArrayBufferView_h |
6 #define DOMArrayBufferView_h | 6 #define DOMArrayBufferView_h |
7 | 7 |
8 #include "bindings/core/v8/ScriptWrappable.h" | 8 #include "bindings/core/v8/ScriptWrappable.h" |
9 #include "core/CoreExport.h" | 9 #include "core/CoreExport.h" |
10 #include "core/dom/DOMArrayBuffer.h" | 10 #include "core/dom/DOMArrayBuffer.h" |
11 #include "core/dom/DOMSharedArrayBuffer.h" | 11 #include "core/dom/DOMSharedArrayBuffer.h" |
12 #include "wtf/ArrayBufferView.h" | 12 #include "wtf/ArrayBufferView.h" |
13 #include "wtf/RefCounted.h" | |
14 | 13 |
15 namespace blink { | 14 namespace blink { |
16 | 15 |
17 class CORE_EXPORT DOMArrayBufferView : public RefCounted<DOMArrayBufferView>, pu
blic ScriptWrappable { | 16 class CORE_EXPORT DOMArrayBufferView : public GarbageCollectedFinalized<DOMArray
BufferView>, public ScriptWrappable { |
18 DEFINE_WRAPPERTYPEINFO(); | 17 DEFINE_WRAPPERTYPEINFO(); |
19 public: | 18 public: |
20 typedef WTF::ArrayBufferView::ViewType ViewType; | 19 typedef WTF::ArrayBufferView::ViewType ViewType; |
21 static const ViewType TypeInt8 = WTF::ArrayBufferView::TypeInt8; | 20 static const ViewType TypeInt8 = WTF::ArrayBufferView::TypeInt8; |
22 static const ViewType TypeUint8 = WTF::ArrayBufferView::TypeUint8; | 21 static const ViewType TypeUint8 = WTF::ArrayBufferView::TypeUint8; |
23 static const ViewType TypeUint8Clamped = WTF::ArrayBufferView::TypeUint8Clam
ped; | 22 static const ViewType TypeUint8Clamped = WTF::ArrayBufferView::TypeUint8Clam
ped; |
24 static const ViewType TypeInt16 = WTF::ArrayBufferView::TypeInt16; | 23 static const ViewType TypeInt16 = WTF::ArrayBufferView::TypeInt16; |
25 static const ViewType TypeUint16 = WTF::ArrayBufferView::TypeUint16; | 24 static const ViewType TypeUint16 = WTF::ArrayBufferView::TypeUint16; |
26 static const ViewType TypeInt32 = WTF::ArrayBufferView::TypeInt32; | 25 static const ViewType TypeInt32 = WTF::ArrayBufferView::TypeInt32; |
27 static const ViewType TypeUint32 = WTF::ArrayBufferView::TypeUint32; | 26 static const ViewType TypeUint32 = WTF::ArrayBufferView::TypeUint32; |
28 static const ViewType TypeFloat32 = WTF::ArrayBufferView::TypeFloat32; | 27 static const ViewType TypeFloat32 = WTF::ArrayBufferView::TypeFloat32; |
29 static const ViewType TypeFloat64 = WTF::ArrayBufferView::TypeFloat64; | 28 static const ViewType TypeFloat64 = WTF::ArrayBufferView::TypeFloat64; |
30 static const ViewType TypeDataView = WTF::ArrayBufferView::TypeDataView; | 29 static const ViewType TypeDataView = WTF::ArrayBufferView::TypeDataView; |
31 | 30 |
32 virtual ~DOMArrayBufferView() { } | 31 virtual ~DOMArrayBufferView() { } |
33 | 32 |
34 PassRefPtr<DOMArrayBuffer> buffer() const | 33 DOMArrayBuffer* buffer() const |
35 { | 34 { |
36 DCHECK(!isShared()); | 35 DCHECK(!isShared()); |
37 if (!m_domArrayBuffer) { | 36 if (!m_domArrayBuffer) |
38 m_domArrayBuffer = DOMArrayBuffer::create(view()->buffer()); | 37 m_domArrayBuffer = DOMArrayBuffer::create(view()->buffer()); |
39 } | 38 |
40 return static_pointer_cast<DOMArrayBuffer>(m_domArrayBuffer); | 39 return static_cast<DOMArrayBuffer*>(m_domArrayBuffer.get()); |
41 } | 40 } |
42 | 41 |
43 PassRefPtr<DOMSharedArrayBuffer> bufferShared() const | 42 DOMSharedArrayBuffer* bufferShared() const |
44 { | 43 { |
45 DCHECK(isShared()); | 44 DCHECK(isShared()); |
46 if (!m_domArrayBuffer) { | 45 if (!m_domArrayBuffer) |
47 m_domArrayBuffer = DOMSharedArrayBuffer::create(view()->buffer()); | 46 m_domArrayBuffer = DOMSharedArrayBuffer::create(view()->buffer()); |
48 } | 47 |
49 return static_pointer_cast<DOMSharedArrayBuffer>(m_domArrayBuffer); | 48 return static_cast<DOMSharedArrayBuffer*>(m_domArrayBuffer.get()); |
50 } | 49 } |
51 | 50 |
52 PassRefPtr<DOMArrayBufferBase> bufferBase() const | 51 DOMArrayBufferBase* bufferBase() const |
53 { | 52 { |
54 if (isShared()) { | 53 if (isShared()) |
55 return bufferShared(); | 54 return bufferShared(); |
56 } | 55 |
57 return buffer(); | 56 return buffer(); |
58 } | 57 } |
59 | 58 |
60 const WTF::ArrayBufferView* view() const { return m_bufferView.get(); } | 59 const WTF::ArrayBufferView* view() const { return m_bufferView.get(); } |
61 WTF::ArrayBufferView* view() { return m_bufferView.get(); } | 60 WTF::ArrayBufferView* view() { return m_bufferView.get(); } |
62 | 61 |
63 ViewType type() const { return view()->type(); } | 62 ViewType type() const { return view()->type(); } |
64 const char* typeName() { return view()->typeName(); } | 63 const char* typeName() { return view()->typeName(); } |
65 void* baseAddress() const { return view()->baseAddress(); } | 64 void* baseAddress() const { return view()->baseAddress(); } |
66 unsigned byteOffset() const { return view()->byteOffset(); } | 65 unsigned byteOffset() const { return view()->byteOffset(); } |
67 unsigned byteLength() const { return view()->byteLength(); } | 66 unsigned byteLength() const { return view()->byteLength(); } |
68 void setNeuterable(bool flag) { return view()->setNeuterable(flag); } | 67 void setNeuterable(bool flag) { return view()->setNeuterable(flag); } |
69 bool isShared() const { return view()->isShared(); } | 68 bool isShared() const { return view()->isShared(); } |
70 | 69 |
71 v8::Local<v8::Object> wrap(v8::Isolate*, v8::Local<v8::Object> creationConte
xt) override | 70 v8::Local<v8::Object> wrap(v8::Isolate*, v8::Local<v8::Object> creationConte
xt) override |
72 { | 71 { |
73 ASSERT_NOT_REACHED(); | 72 ASSERT_NOT_REACHED(); |
74 return v8::Local<v8::Object>(); | 73 return v8::Local<v8::Object>(); |
75 } | 74 } |
76 | 75 |
| 76 DEFINE_INLINE_VIRTUAL_TRACE() |
| 77 { |
| 78 visitor->trace(m_domArrayBuffer); |
| 79 } |
| 80 |
77 protected: | 81 protected: |
78 explicit DOMArrayBufferView(PassRefPtr<WTF::ArrayBufferView> bufferView) | 82 explicit DOMArrayBufferView(PassRefPtr<WTF::ArrayBufferView> bufferView) |
79 : m_bufferView(bufferView) | 83 : m_bufferView(bufferView) |
80 { | 84 { |
81 DCHECK(m_bufferView); | 85 DCHECK(m_bufferView); |
82 } | 86 } |
83 DOMArrayBufferView(PassRefPtr<WTF::ArrayBufferView> bufferView, PassRefPtr<D
OMArrayBufferBase> domArrayBuffer) | 87 DOMArrayBufferView(PassRefPtr<WTF::ArrayBufferView> bufferView, DOMArrayBuff
erBase* domArrayBuffer) |
84 : m_bufferView(bufferView), m_domArrayBuffer(domArrayBuffer) | 88 : m_bufferView(bufferView) |
| 89 , m_domArrayBuffer(domArrayBuffer) |
85 { | 90 { |
86 DCHECK(m_bufferView); | 91 DCHECK(m_bufferView); |
87 DCHECK(m_domArrayBuffer); | 92 DCHECK(m_domArrayBuffer); |
88 DCHECK_EQ(m_domArrayBuffer->buffer(), m_bufferView->buffer()); | 93 DCHECK_EQ(m_domArrayBuffer->buffer(), m_bufferView->buffer()); |
89 } | 94 } |
90 | 95 |
91 private: | 96 private: |
92 RefPtr<WTF::ArrayBufferView> m_bufferView; | 97 RefPtr<WTF::ArrayBufferView> m_bufferView; |
93 mutable RefPtr<DOMArrayBufferBase> m_domArrayBuffer; | 98 mutable Member<DOMArrayBufferBase> m_domArrayBuffer; |
94 }; | 99 }; |
95 | 100 |
96 } // namespace blink | 101 } // namespace blink |
97 | 102 |
98 #endif // DOMArrayBufferView_h | 103 #endif // DOMArrayBufferView_h |
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