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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 GIN_ARRAY_BUFFER_H_ | 5 #ifndef GIN_ARRAY_BUFFER_H_ |
6 #define GIN_ARRAY_BUFFER_H_ | 6 #define GIN_ARRAY_BUFFER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "gin/converter.h" | 11 #include "gin/converter.h" |
12 #include "v8/include/v8.h" | 12 #include "v8/include/v8.h" |
13 | 13 |
14 namespace gin { | 14 namespace gin { |
15 | 15 |
16 class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { | 16 class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { |
17 public: | 17 public: |
18 virtual void* Allocate(size_t length) OVERRIDE; | 18 virtual void* Allocate(size_t length) OVERRIDE; |
19 virtual void* AllocateUninitialized(size_t length) OVERRIDE; | 19 virtual void* AllocateUninitialized(size_t length) OVERRIDE; |
20 virtual void Free(void* data, size_t length) OVERRIDE; | 20 virtual void Free(void* data, size_t length) OVERRIDE; |
21 | 21 |
22 static ArrayBufferAllocator* SharedInstance(); | 22 static ArrayBufferAllocator* SharedInstance(); |
23 }; | 23 }; |
24 | 24 |
25 class ArrayBuffer { | 25 class ArrayBuffer { |
26 public: | 26 public: |
| 27 ArrayBuffer(); |
27 explicit ArrayBuffer(v8::Isolate* isolate); | 28 explicit ArrayBuffer(v8::Isolate* isolate); |
28 ArrayBuffer(v8::Isolate* isolate, v8::Handle<v8::ArrayBuffer> buffer); | 29 ArrayBuffer(v8::Isolate* isolate, v8::Handle<v8::ArrayBuffer> buffer); |
29 ~ArrayBuffer(); | 30 ~ArrayBuffer(); |
30 | 31 |
31 void* bytes() const { return bytes_; } | 32 void* bytes() const { return bytes_; } |
32 size_t num_bytes() const { return num_bytes_; } | 33 size_t num_bytes() const { return num_bytes_; } |
33 | 34 |
34 v8::Isolate* isolate() const { return isolate_; } | |
35 | |
36 private: | 35 private: |
37 class Private; | 36 class Private; |
38 | 37 |
39 v8::Isolate* isolate_; | |
40 scoped_refptr<Private> private_; | 38 scoped_refptr<Private> private_; |
41 void* bytes_; | 39 void* bytes_; |
42 size_t num_bytes_; | 40 size_t num_bytes_; |
| 41 |
| 42 DISALLOW_COPY(ArrayBuffer); |
43 }; | 43 }; |
44 | 44 |
45 template<> | 45 template<> |
46 struct Converter<ArrayBuffer> { | 46 struct Converter<ArrayBuffer> { |
47 static bool FromV8(v8::Handle<v8::Value> val, | 47 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val, |
48 ArrayBuffer* out); | 48 ArrayBuffer* out); |
49 }; | 49 }; |
50 | 50 |
51 class ArrayBufferView { | 51 class ArrayBufferView { |
52 public: | 52 public: |
53 explicit ArrayBufferView(v8::Isolate* isolate); | 53 ArrayBufferView(); |
54 ArrayBufferView(v8::Isolate* isolate, v8::Handle<v8::ArrayBufferView> view); | 54 ArrayBufferView(v8::Isolate* isolate, v8::Handle<v8::ArrayBufferView> view); |
55 ~ArrayBufferView(); | 55 ~ArrayBufferView(); |
56 | 56 |
57 void* bytes() const { | 57 void* bytes() const { |
58 return static_cast<uint8_t*>(array_buffer_.bytes()) + offset_; | 58 return static_cast<uint8_t*>(array_buffer_.bytes()) + offset_; |
59 } | 59 } |
60 size_t num_bytes() const { return num_bytes_; } | 60 size_t num_bytes() const { return num_bytes_; } |
61 | 61 |
62 v8::Isolate* isolate() const { return array_buffer_.isolate(); } | |
63 | |
64 private: | 62 private: |
65 ArrayBuffer array_buffer_; | 63 ArrayBuffer array_buffer_; |
66 size_t offset_; | 64 size_t offset_; |
67 size_t num_bytes_; | 65 size_t num_bytes_; |
| 66 |
| 67 DISALLOW_COPY(ArrayBufferView); |
68 }; | 68 }; |
69 | 69 |
70 template<> | 70 template<> |
71 struct Converter<ArrayBufferView> { | 71 struct Converter<ArrayBufferView> { |
72 static bool FromV8(v8::Handle<v8::Value> val, | 72 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val, |
73 ArrayBufferView* out); | 73 ArrayBufferView* out); |
74 }; | 74 }; |
75 | 75 |
76 } // namespace gin | 76 } // namespace gin |
77 | 77 |
78 #endif // GIN_ARRAY_BUFFER_H_ | 78 #endif // GIN_ARRAY_BUFFER_H_ |
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