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 96
