| OLD | NEW |
| (Empty) |
| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_FRAME_STREAM_IMPL_H_ | |
| 6 #define CHROME_FRAME_STREAM_IMPL_H_ | |
| 7 | |
| 8 #include <atlbase.h> | |
| 9 #include <atlcom.h> | |
| 10 | |
| 11 #include "base/win/scoped_comptr.h" | |
| 12 | |
| 13 // A generic base class for IStream implementation. If provided | |
| 14 // with a delegate, it delegated calls to it otherwise can be | |
| 15 // used a as a base class for an IStream implementation. | |
| 16 class StreamImpl : public IStream { | |
| 17 public: | |
| 18 StreamImpl() {} | |
| 19 | |
| 20 void Initialize(IStream* delegate); | |
| 21 | |
| 22 STDMETHOD(Write)(const void * buffer, ULONG size, ULONG* size_written); | |
| 23 STDMETHOD(Read)(void* pv, ULONG cb, ULONG* read); | |
| 24 STDMETHOD(Seek)(LARGE_INTEGER move, DWORD origin, ULARGE_INTEGER* new_pos); | |
| 25 STDMETHOD(SetSize)(ULARGE_INTEGER new_size); | |
| 26 STDMETHOD(CopyTo)(IStream* stream, ULARGE_INTEGER cb, ULARGE_INTEGER* read, | |
| 27 ULARGE_INTEGER* written); | |
| 28 STDMETHOD(Commit)(DWORD flags); | |
| 29 STDMETHOD(Revert)(); | |
| 30 STDMETHOD(LockRegion)(ULARGE_INTEGER offset, ULARGE_INTEGER cb, | |
| 31 DWORD type); | |
| 32 STDMETHOD(UnlockRegion)(ULARGE_INTEGER offset, ULARGE_INTEGER cb, | |
| 33 DWORD type); | |
| 34 STDMETHOD(Stat)(STATSTG* statstg, DWORD flag); | |
| 35 STDMETHOD(Clone)(IStream** stream); | |
| 36 | |
| 37 protected: | |
| 38 base::win::ScopedComPtr<IStream> delegate_; | |
| 39 | |
| 40 private: | |
| 41 DISALLOW_COPY_AND_ASSIGN(StreamImpl); | |
| 42 }; | |
| 43 | |
| 44 #endif // CHROME_FRAME_STREAM_IMPL_H_ | |
| OLD | NEW |