chromium/ppapi/cpp/dev/buffer_dev.h at main · CoffeeIsCode/chromium

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// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

#ifndef PPAPI_CPP_DEV_BUFFER_DEV_H_

#define PPAPI_CPP_DEV_BUFFER_DEV_H_

#include <stdint.h>

#include "ppapi/cpp/resource.h"

namespace pp {

class InstanceHandle;

class Buffer_Dev : public Resource {

public:

// Creates an is_null() Buffer object.

Buffer_Dev();

Buffer_Dev(const Buffer_Dev& other);

explicit Buffer_Dev(PP_Resource resource);

// Creates & Maps a new Buffer in the browser with the given size. The

// resulting object will be is_null() if either Create() or Map() fails.

Buffer_Dev(const InstanceHandle& instance, uint32_t size);

// Constructor used when the buffer resource already has a reference count

// assigned. No additional reference is taken.

Buffer_Dev(PassRef, PP_Resource resource);

// Unmap the underlying shared memory.

virtual ~Buffer_Dev();

Buffer_Dev& operator=(const Buffer_Dev& rhs);

uint32_t size() const { return size_; }

void* data() const { return data_; }

private:

void Init();

void* data_;

uint32_t size_;

};

} // namespace pp

#endif // PPAPI_CPP_DEV_BUFFER_DEV_H_

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