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31 #ifndef WebArrayBuffer_h
32 #define WebArrayBuffer_h
34 #include "WebCommon.h"
35 #include "WebPrivatePtr.h"
39 template <class T> class Handle;
42 namespace WTF { class ArrayBuffer; }
45 namespace WTF { template <typename T> class PassRefPtr; }
50 class WebArrayBuffer {
52 ~WebArrayBuffer() { reset(); }
55 WebArrayBuffer(const WebArrayBuffer& b) { assign(b); }
56 WebArrayBuffer& operator=(const WebArrayBuffer& b)
62 BLINK_PLATFORM_EXPORT static WebArrayBuffer create(unsigned numElements, unsigned elementByteSize);
64 BLINK_PLATFORM_EXPORT void reset();
65 BLINK_PLATFORM_EXPORT void assign(const WebArrayBuffer&);
67 bool isNull() const { return m_private.isNull(); }
68 BLINK_PLATFORM_EXPORT void* data() const;
69 BLINK_PLATFORM_EXPORT unsigned byteLength() const;
72 BLINK_PLATFORM_EXPORT WebArrayBuffer(const WTF::PassRefPtr<WTF::ArrayBuffer>&);
73 BLINK_PLATFORM_EXPORT WebArrayBuffer& operator=(const WTF::PassRefPtr<WTF::ArrayBuffer>&);
74 BLINK_PLATFORM_EXPORT operator WTF::PassRefPtr<WTF::ArrayBuffer>() const;
78 WebPrivatePtr<WTF::ArrayBuffer> m_private;
83 #endif // WebArrayBuffer_h