| [email protected] | 97965e1 | 2010-04-09 00:51:10 | [diff] [blame] | 1 | // Copyright (c) 2010 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 | #include "chrome_frame/stream_impl.h" |
| 6 | |
| 7 | #include "base/logging.h" |
| 8 | |
| 9 | void StreamImpl::Initialize(IStream* delegate) { |
| 10 | delegate_ = delegate; |
| 11 | } |
| 12 | |
| 13 | STDMETHODIMP StreamImpl::Write(const void * buffer, ULONG size, |
| 14 | ULONG* size_written) { |
| 15 | HRESULT hr = E_NOTIMPL; |
| 16 | if (delegate_) |
| 17 | hr = delegate_->Write(buffer, size, size_written); |
| 18 | return hr; |
| 19 | } |
| 20 | |
| 21 | STDMETHODIMP StreamImpl::Read(void* pv, ULONG cb, ULONG* read) { |
| 22 | HRESULT hr = E_NOTIMPL; |
| 23 | if (delegate_) |
| 24 | hr = delegate_->Read(pv, cb, read); |
| 25 | return hr; |
| 26 | } |
| 27 | |
| 28 | STDMETHODIMP StreamImpl::Seek(LARGE_INTEGER move, DWORD origin, |
| 29 | ULARGE_INTEGER* new_pos) { |
| 30 | HRESULT hr = E_NOTIMPL; |
| 31 | if (delegate_) |
| 32 | hr = delegate_->Seek(move, origin, new_pos); |
| 33 | return hr; |
| 34 | } |
| 35 | |
| 36 | STDMETHODIMP StreamImpl::SetSize(ULARGE_INTEGER new_size) { |
| 37 | HRESULT hr = E_NOTIMPL; |
| 38 | if (delegate_) |
| 39 | hr = delegate_->SetSize(new_size); |
| 40 | return hr; |
| 41 | } |
| 42 | |
| 43 | STDMETHODIMP StreamImpl::CopyTo(IStream* stream, ULARGE_INTEGER cb, |
| 44 | ULARGE_INTEGER* read, |
| 45 | ULARGE_INTEGER* written) { |
| 46 | HRESULT hr = E_NOTIMPL; |
| 47 | if (delegate_) |
| 48 | hr = delegate_->CopyTo(stream, cb, read, written); |
| 49 | return hr; |
| 50 | } |
| 51 | |
| 52 | STDMETHODIMP StreamImpl::Commit(DWORD flags) { |
| 53 | HRESULT hr = E_NOTIMPL; |
| 54 | if (delegate_) |
| 55 | hr = delegate_->Commit(flags); |
| 56 | return hr; |
| 57 | } |
| 58 | |
| 59 | STDMETHODIMP StreamImpl::Revert() { |
| 60 | HRESULT hr = E_NOTIMPL; |
| 61 | if (delegate_) |
| 62 | hr = delegate_->Revert(); |
| 63 | return hr; |
| 64 | } |
| 65 | |
| 66 | STDMETHODIMP StreamImpl::LockRegion(ULARGE_INTEGER offset, ULARGE_INTEGER cb, |
| 67 | DWORD type) { |
| 68 | HRESULT hr = E_NOTIMPL; |
| 69 | if (delegate_) |
| 70 | hr = delegate_->LockRegion(offset, cb, type); |
| 71 | return hr; |
| 72 | } |
| 73 | |
| 74 | STDMETHODIMP StreamImpl::UnlockRegion(ULARGE_INTEGER offset, ULARGE_INTEGER cb, |
| 75 | DWORD type) { |
| 76 | HRESULT hr = E_NOTIMPL; |
| 77 | if (delegate_) |
| 78 | hr = delegate_->UnlockRegion(offset, cb, type); |
| 79 | return hr; |
| 80 | } |
| 81 | |
| 82 | STDMETHODIMP StreamImpl::Stat(STATSTG* statstg, DWORD flag) { |
| 83 | HRESULT hr = E_NOTIMPL; |
| 84 | if (delegate_) |
| 85 | hr = delegate_->Stat(statstg, flag); |
| 86 | return hr; |
| 87 | } |
| 88 | |
| 89 | STDMETHODIMP StreamImpl::Clone(IStream** stream) { |
| 90 | HRESULT hr = E_NOTIMPL; |
| 91 | if (delegate_) |
| 92 | hr = delegate_->Clone(stream); |
| 93 | return hr; |
| 94 | } |
| 95 | |
