18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef MemoryStream_H 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define MemoryStream_H 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <objidl.h> 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 310bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch#include <WebCore/COMPtr.h> 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <WebCore/SharedBuffer.h> 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <WTF/PassRefPtr.h> 348e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include <WTF/RefPtr.h> 358e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectclass MemoryStream : public IStream 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project{ 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectpublic: 390bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5Ben Murdoch static COMPtr<MemoryStream> createInstance(PassRefPtr<WebCore::SharedBuffer> buffer); 408e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 418e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectprotected: 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project MemoryStream(PassRefPtr<WebCore::SharedBuffer> buffer); 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ~MemoryStream(); 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectpublic: 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 468e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // IUnknown 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID riid, void** ppvObject); 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual ULONG STDMETHODCALLTYPE AddRef(void); 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual ULONG STDMETHODCALLTYPE Release(void); 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // ISequentialStream 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual /* [local] */ HRESULT STDMETHODCALLTYPE Read( 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [length_is][size_is][out] */ void* pv, 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ ULONG cb, 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [out] */ ULONG* pcbRead); 568e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 578e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual /* [local] */ HRESULT STDMETHODCALLTYPE Write( 588e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [size_is][in] */ const void* pv, 598e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ ULONG cb, 608e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [out] */ ULONG* pcbWritten); 618e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 628e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project // IStream 638e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual /* [local] */ HRESULT STDMETHODCALLTYPE Seek( 648e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ LARGE_INTEGER dlibMove, 658e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ DWORD dwOrigin, 668e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [out] */ ULARGE_INTEGER* plibNewPosition); 678e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 688e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual HRESULT STDMETHODCALLTYPE SetSize( 698e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ ULARGE_INTEGER libNewSize); 708e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 718e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual /* [local] */ HRESULT STDMETHODCALLTYPE CopyTo( 728e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [unique][in] */ IStream* pstm, 738e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ ULARGE_INTEGER cb, 748e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [out] */ ULARGE_INTEGER* pcbRead, 758e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [out] */ ULARGE_INTEGER* pcbWritten); 768e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 778e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual HRESULT STDMETHODCALLTYPE Commit( 788e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ DWORD grfCommitFlags); 798e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 808e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual HRESULT STDMETHODCALLTYPE Revert( void); 818e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 828e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual HRESULT STDMETHODCALLTYPE LockRegion( 838e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ ULARGE_INTEGER libOffset, 848e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ ULARGE_INTEGER cb, 858e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ DWORD dwLockType); 868e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 878e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual HRESULT STDMETHODCALLTYPE UnlockRegion( 888e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ ULARGE_INTEGER libOffset, 898e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ ULARGE_INTEGER cb, 908e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ DWORD dwLockType); 918e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 928e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual HRESULT STDMETHODCALLTYPE Stat( 938e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [out] */ STATSTG* pstatstg, 948e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [in] */ DWORD grfStatFlag); 958e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 968e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project virtual HRESULT STDMETHODCALLTYPE Clone( 978e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project /* [out] */ IStream** ppstm); 988e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 998e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectprotected: 1008e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ULONG m_refCount; 1018e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project RefPtr<WebCore::SharedBuffer> m_buffer; 1028e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project size_t m_pos; 1038e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project}; 1048e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 1058e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif 106