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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 "gin/gin_export.h" | 12 #include "gin/gin_export.h" |
13 #include "v8/include/v8.h" | 13 #include "v8/include/v8.h" |
14 | 14 |
15 namespace gin { | 15 namespace gin { |
16 | 16 |
17 class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { | 17 class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { |
18 public: | 18 public: |
19 void* Allocate(size_t length) override; | 19 void* Allocate(size_t length) override; |
20 void* AllocateUninitialized(size_t length) override; | 20 void* AllocateUninitialized(size_t length) override; |
21 void Free(void* data, size_t length) override; | 21 void Free(void* data, size_t length) override; |
22 | 22 |
23 GIN_EXPORT static ArrayBufferAllocator* SharedInstance(); | 23 GIN_EXPORT static ArrayBufferAllocator* SharedInstance(); |
24 }; | 24 }; |
25 | 25 |
26 class GIN_EXPORT ArrayBuffer { | 26 class GIN_EXPORT ArrayBuffer { |
27 public: | 27 public: |
28 ArrayBuffer(); | 28 ArrayBuffer(); |
29 ArrayBuffer(v8::Isolate* isolate, v8::Handle<v8::ArrayBuffer> buffer); | 29 ArrayBuffer(v8::Isolate* isolate, v8::Local<v8::ArrayBuffer> buffer); |
30 ~ArrayBuffer(); | 30 ~ArrayBuffer(); |
31 ArrayBuffer& operator=(const ArrayBuffer& other); | 31 ArrayBuffer& operator=(const ArrayBuffer& other); |
32 | 32 |
33 void* bytes() const { return bytes_; } | 33 void* bytes() const { return bytes_; } |
34 size_t num_bytes() const { return num_bytes_; } | 34 size_t num_bytes() const { return num_bytes_; } |
35 | 35 |
36 private: | 36 private: |
37 class Private; | 37 class Private; |
38 | 38 |
39 scoped_refptr<Private> private_; | 39 scoped_refptr<Private> private_; |
40 void* bytes_; | 40 void* bytes_; |
41 size_t num_bytes_; | 41 size_t num_bytes_; |
42 | 42 |
43 DISALLOW_COPY(ArrayBuffer); | 43 DISALLOW_COPY(ArrayBuffer); |
44 }; | 44 }; |
45 | 45 |
46 template<> | 46 template<> |
47 struct GIN_EXPORT Converter<ArrayBuffer> { | 47 struct GIN_EXPORT Converter<ArrayBuffer> { |
48 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val, | 48 static bool FromV8(v8::Isolate* isolate, v8::Local<v8::Value> val, |
49 ArrayBuffer* out); | 49 ArrayBuffer* out); |
50 }; | 50 }; |
51 | 51 |
52 class GIN_EXPORT ArrayBufferView { | 52 class GIN_EXPORT ArrayBufferView { |
53 public: | 53 public: |
54 ArrayBufferView(); | 54 ArrayBufferView(); |
55 ArrayBufferView(v8::Isolate* isolate, v8::Handle<v8::ArrayBufferView> view); | 55 ArrayBufferView(v8::Isolate* isolate, v8::Local<v8::ArrayBufferView> view); |
56 ~ArrayBufferView(); | 56 ~ArrayBufferView(); |
57 ArrayBufferView& operator=(const ArrayBufferView& other); | 57 ArrayBufferView& operator=(const ArrayBufferView& other); |
58 | 58 |
59 void* bytes() const { | 59 void* bytes() const { |
60 return static_cast<uint8_t*>(array_buffer_.bytes()) + offset_; | 60 return static_cast<uint8_t*>(array_buffer_.bytes()) + offset_; |
61 } | 61 } |
62 size_t num_bytes() const { return num_bytes_; } | 62 size_t num_bytes() const { return num_bytes_; } |
63 | 63 |
64 private: | 64 private: |
65 ArrayBuffer array_buffer_; | 65 ArrayBuffer array_buffer_; |
66 size_t offset_; | 66 size_t offset_; |
67 size_t num_bytes_; | 67 size_t num_bytes_; |
68 | 68 |
69 DISALLOW_COPY(ArrayBufferView); | 69 DISALLOW_COPY(ArrayBufferView); |
70 }; | 70 }; |
71 | 71 |
72 template<> | 72 template<> |
73 struct GIN_EXPORT Converter<ArrayBufferView> { | 73 struct GIN_EXPORT Converter<ArrayBufferView> { |
74 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val, | 74 static bool FromV8(v8::Isolate* isolate, v8::Local<v8::Value> val, |
75 ArrayBufferView* out); | 75 ArrayBufferView* out); |
76 }; | 76 }; |
77 | 77 |
78 } // namespace gin | 78 } // namespace gin |
79 | 79 |
80 #endif // GIN_ARRAY_BUFFER_H_ | 80 #endif // GIN_ARRAY_BUFFER_H_ |
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