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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; |
|
abarth-chromium
2013/11/27 00:20:10
If you're not going to move this into the header,
Aaron Boodman
2013/11/27 00:34:43
Good idea, but we need assign because Arguments::G
| |
| 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_; |
| 43 }; | 41 }; |
| 44 | 42 |
| 45 template<> | 43 template<> |
| 46 struct Converter<ArrayBuffer> { | 44 struct Converter<ArrayBuffer> { |
| 47 static bool FromV8(v8::Handle<v8::Value> val, | 45 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val, |
| 48 ArrayBuffer* out); | 46 ArrayBuffer* out); |
| 49 }; | 47 }; |
| 50 | 48 |
| 51 class ArrayBufferView { | 49 class ArrayBufferView { |
| 52 public: | 50 public: |
| 53 explicit ArrayBufferView(v8::Isolate* isolate); | 51 ArrayBufferView(); |
| 54 ArrayBufferView(v8::Isolate* isolate, v8::Handle<v8::ArrayBufferView> view); | 52 ArrayBufferView(v8::Isolate* isolate, v8::Handle<v8::ArrayBufferView> view); |
| 55 ~ArrayBufferView(); | 53 ~ArrayBufferView(); |
| 56 | 54 |
| 57 void* bytes() const { | 55 void* bytes() const { |
| 58 return static_cast<uint8_t*>(array_buffer_.bytes()) + offset_; | 56 return static_cast<uint8_t*>(array_buffer_.bytes()) + offset_; |
| 59 } | 57 } |
| 60 size_t num_bytes() const { return num_bytes_; } | 58 size_t num_bytes() const { return num_bytes_; } |
| 61 | 59 |
| 62 v8::Isolate* isolate() const { return array_buffer_.isolate(); } | |
| 63 | |
| 64 private: | 60 private: |
| 65 ArrayBuffer array_buffer_; | 61 ArrayBuffer array_buffer_; |
| 66 size_t offset_; | 62 size_t offset_; |
| 67 size_t num_bytes_; | 63 size_t num_bytes_; |
| 68 }; | 64 }; |
| 69 | 65 |
| 70 template<> | 66 template<> |
| 71 struct Converter<ArrayBufferView> { | 67 struct Converter<ArrayBufferView> { |
| 72 static bool FromV8(v8::Handle<v8::Value> val, | 68 static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val, |
| 73 ArrayBufferView* out); | 69 ArrayBufferView* out); |
| 74 }; | 70 }; |
| 75 | 71 |
| 76 } // namespace gin | 72 } // namespace gin |
| 77 | 73 |
| 78 #endif // GIN_ARRAY_BUFFER_H_ | 74 #endif // GIN_ARRAY_BUFFER_H_ |
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