| // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome_frame/stream_impl.h" |
| |
| #include "base/logging.h" |
| |
| void StreamImpl::Initialize(IStream* delegate) { |
| delegate_ = delegate; |
| } |
| |
| STDMETHODIMP StreamImpl::Write(const void * buffer, ULONG size, |
| ULONG* size_written) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->Write(buffer, size, size_written); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::Read(void* pv, ULONG cb, ULONG* read) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->Read(pv, cb, read); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::Seek(LARGE_INTEGER move, DWORD origin, |
| ULARGE_INTEGER* new_pos) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->Seek(move, origin, new_pos); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::SetSize(ULARGE_INTEGER new_size) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->SetSize(new_size); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::CopyTo(IStream* stream, ULARGE_INTEGER cb, |
| ULARGE_INTEGER* read, |
| ULARGE_INTEGER* written) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->CopyTo(stream, cb, read, written); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::Commit(DWORD flags) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->Commit(flags); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::Revert() { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->Revert(); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::LockRegion(ULARGE_INTEGER offset, ULARGE_INTEGER cb, |
| DWORD type) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->LockRegion(offset, cb, type); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::UnlockRegion(ULARGE_INTEGER offset, ULARGE_INTEGER cb, |
| DWORD type) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->UnlockRegion(offset, cb, type); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::Stat(STATSTG* statstg, DWORD flag) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->Stat(statstg, flag); |
| return hr; |
| } |
| |
| STDMETHODIMP StreamImpl::Clone(IStream** stream) { |
| HRESULT hr = E_NOTIMPL; |
| if (delegate_) |
| hr = delegate_->Clone(stream); |
| return hr; |
| } |
| |