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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_FRAME_STREAM_IMPL_H_ | 5 #ifndef CHROME_FRAME_STREAM_IMPL_H_ |
6 #define CHROME_FRAME_STREAM_IMPL_H_ | 6 #define CHROME_FRAME_STREAM_IMPL_H_ |
7 | 7 |
8 #include <atlbase.h> | 8 #include <atlbase.h> |
9 #include <atlcom.h> | 9 #include <atlcom.h> |
10 | 10 |
11 #include "base/scoped_comptr_win.h" | 11 #include "base/win/scoped_comptr.h" |
12 | 12 |
13 // A generic base class for IStream implementation. If provided | 13 // A generic base class for IStream implementation. If provided |
14 // with a delegate, it delegated calls to it otherwise can be | 14 // with a delegate, it delegated calls to it otherwise can be |
15 // used a as a base class for an IStream implementation. | 15 // used a as a base class for an IStream implementation. |
16 class StreamImpl : public IStream { | 16 class StreamImpl : public IStream { |
17 public: | 17 public: |
18 StreamImpl() {} | 18 StreamImpl() {} |
19 | 19 |
20 void Initialize(IStream* delegate); | 20 void Initialize(IStream* delegate); |
21 | 21 |
22 STDMETHOD(Write)(const void * buffer, ULONG size, ULONG* size_written); | 22 STDMETHOD(Write)(const void * buffer, ULONG size, ULONG* size_written); |
23 STDMETHOD(Read)(void* pv, ULONG cb, ULONG* read); | 23 STDMETHOD(Read)(void* pv, ULONG cb, ULONG* read); |
24 STDMETHOD(Seek)(LARGE_INTEGER move, DWORD origin, ULARGE_INTEGER* new_pos); | 24 STDMETHOD(Seek)(LARGE_INTEGER move, DWORD origin, ULARGE_INTEGER* new_pos); |
25 STDMETHOD(SetSize)(ULARGE_INTEGER new_size); | 25 STDMETHOD(SetSize)(ULARGE_INTEGER new_size); |
26 STDMETHOD(CopyTo)(IStream* stream, ULARGE_INTEGER cb, ULARGE_INTEGER* read, | 26 STDMETHOD(CopyTo)(IStream* stream, ULARGE_INTEGER cb, ULARGE_INTEGER* read, |
27 ULARGE_INTEGER* written); | 27 ULARGE_INTEGER* written); |
28 STDMETHOD(Commit)(DWORD flags); | 28 STDMETHOD(Commit)(DWORD flags); |
29 STDMETHOD(Revert)(); | 29 STDMETHOD(Revert)(); |
30 STDMETHOD(LockRegion)(ULARGE_INTEGER offset, ULARGE_INTEGER cb, | 30 STDMETHOD(LockRegion)(ULARGE_INTEGER offset, ULARGE_INTEGER cb, |
31 DWORD type); | 31 DWORD type); |
32 STDMETHOD(UnlockRegion)(ULARGE_INTEGER offset, ULARGE_INTEGER cb, | 32 STDMETHOD(UnlockRegion)(ULARGE_INTEGER offset, ULARGE_INTEGER cb, |
33 DWORD type); | 33 DWORD type); |
34 STDMETHOD(Stat)(STATSTG* statstg, DWORD flag); | 34 STDMETHOD(Stat)(STATSTG* statstg, DWORD flag); |
35 STDMETHOD(Clone)(IStream** stream); | 35 STDMETHOD(Clone)(IStream** stream); |
36 | 36 |
37 protected: | 37 protected: |
38 ScopedComPtr<IStream> delegate_; | 38 base::win::ScopedComPtr<IStream> delegate_; |
39 | 39 |
40 private: | 40 private: |
41 DISALLOW_COPY_AND_ASSIGN(StreamImpl); | 41 DISALLOW_COPY_AND_ASSIGN(StreamImpl); |
42 }; | 42 }; |
43 | 43 |
44 #endif // CHROME_FRAME_STREAM_IMPL_H_ | 44 #endif // CHROME_FRAME_STREAM_IMPL_H_ |
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