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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
commit | 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (patch) | |
tree | 11425ea0b299d6fb89c6d3618a22d97d5bf68d0f /WebKit/win/MemoryStream.h | |
parent | 648161bb0edfc3d43db63caed5cc5213bc6cb78f (diff) | |
download | external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.zip external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.gz external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.bz2 |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'WebKit/win/MemoryStream.h')
-rw-r--r-- | WebKit/win/MemoryStream.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/WebKit/win/MemoryStream.h b/WebKit/win/MemoryStream.h new file mode 100644 index 0000000..22ca0f4 --- /dev/null +++ b/WebKit/win/MemoryStream.h @@ -0,0 +1,105 @@ +/* + * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef MemoryStream_H +#define MemoryStream_H + +#include <objidl.h> + +#include "COMPtr.h" +#include <WebCore/SharedBuffer.h> +#include <WTF/PassRefPtr.h> +#include <WTF/RefPtr.h> + +class MemoryStream : public IStream +{ +public: + static MemoryStream* MemoryStream::createInstance(PassRefPtr<WebCore::SharedBuffer> buffer); + +protected: + MemoryStream(PassRefPtr<WebCore::SharedBuffer> buffer); + ~MemoryStream(); +public: + + // IUnknown + virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject); + virtual ULONG STDMETHODCALLTYPE AddRef(void); + virtual ULONG STDMETHODCALLTYPE Release(void); + + // ISequentialStream + virtual /* [local] */ HRESULT STDMETHODCALLTYPE Read( + /* [length_is][size_is][out] */ void* pv, + /* [in] */ ULONG cb, + /* [out] */ ULONG* pcbRead); + + virtual /* [local] */ HRESULT STDMETHODCALLTYPE Write( + /* [size_is][in] */ const void* pv, + /* [in] */ ULONG cb, + /* [out] */ ULONG* pcbWritten); + + // IStream + virtual /* [local] */ HRESULT STDMETHODCALLTYPE Seek( + /* [in] */ LARGE_INTEGER dlibMove, + /* [in] */ DWORD dwOrigin, + /* [out] */ ULARGE_INTEGER* plibNewPosition); + + virtual HRESULT STDMETHODCALLTYPE SetSize( + /* [in] */ ULARGE_INTEGER libNewSize); + + virtual /* [local] */ HRESULT STDMETHODCALLTYPE CopyTo( + /* [unique][in] */ IStream* pstm, + /* [in] */ ULARGE_INTEGER cb, + /* [out] */ ULARGE_INTEGER* pcbRead, + /* [out] */ ULARGE_INTEGER* pcbWritten); + + virtual HRESULT STDMETHODCALLTYPE Commit( + /* [in] */ DWORD grfCommitFlags); + + virtual HRESULT STDMETHODCALLTYPE Revert( void); + + virtual HRESULT STDMETHODCALLTYPE LockRegion( + /* [in] */ ULARGE_INTEGER libOffset, + /* [in] */ ULARGE_INTEGER cb, + /* [in] */ DWORD dwLockType); + + virtual HRESULT STDMETHODCALLTYPE UnlockRegion( + /* [in] */ ULARGE_INTEGER libOffset, + /* [in] */ ULARGE_INTEGER cb, + /* [in] */ DWORD dwLockType); + + virtual HRESULT STDMETHODCALLTYPE Stat( + /* [out] */ STATSTG* pstatstg, + /* [in] */ DWORD grfStatFlag); + + virtual HRESULT STDMETHODCALLTYPE Clone( + /* [out] */ IStream** ppstm); + +protected: + ULONG m_refCount; + RefPtr<WebCore::SharedBuffer> m_buffer; + size_t m_pos; +}; + +#endif |