| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GIN_ARRAY_BUFFER_H_ |
| #define GIN_ARRAY_BUFFER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/ref_counted.h" |
| #include "gin/converter.h" |
| #include "gin/gin_export.h" |
| #include "v8/include/v8.h" |
| |
| namespace gin { |
| |
| class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { |
| public: |
| void* Allocate(size_t length) override; |
| void* AllocateUninitialized(size_t length) override; |
| void Free(void* data, size_t length) override; |
| |
| GIN_EXPORT static ArrayBufferAllocator* SharedInstance(); |
| }; |
| |
| class GIN_EXPORT ArrayBuffer { |
| public: |
| ArrayBuffer(); |
| ArrayBuffer(v8::Isolate* isolate, v8::Local<v8::ArrayBuffer> buffer); |
| ~ArrayBuffer(); |
| ArrayBuffer& operator=(const ArrayBuffer& other); |
| |
| void* bytes() const { return bytes_; } |
| size_t num_bytes() const { return num_bytes_; } |
| |
| private: |
| class Private; |
| |
| scoped_refptr<Private> private_; |
| void* bytes_; |
| size_t num_bytes_; |
| |
| DISALLOW_COPY(ArrayBuffer); |
| }; |
| |
| template<> |
| struct GIN_EXPORT Converter<ArrayBuffer> { |
| static bool FromV8(v8::Isolate* isolate, v8::Local<v8::Value> val, |
| ArrayBuffer* out); |
| }; |
| |
| class GIN_EXPORT ArrayBufferView { |
| public: |
| ArrayBufferView(); |
| ArrayBufferView(v8::Isolate* isolate, v8::Local<v8::ArrayBufferView> view); |
| ~ArrayBufferView(); |
| ArrayBufferView& operator=(const ArrayBufferView& other); |
| |
| void* bytes() const { |
| return static_cast<uint8_t*>(array_buffer_.bytes()) + offset_; |
| } |
| size_t num_bytes() const { return num_bytes_; } |
| |
| private: |
| ArrayBuffer array_buffer_; |
| size_t offset_; |
| size_t num_bytes_; |
| |
| DISALLOW_COPY(ArrayBufferView); |
| }; |
| |
| template<> |
| struct GIN_EXPORT Converter<ArrayBufferView> { |
| static bool FromV8(v8::Isolate* isolate, v8::Local<v8::Value> val, |
| ArrayBufferView* out); |
| }; |
| |
| } // namespace gin |
| |
| #endif // GIN_ARRAY_BUFFER_H_ |