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      1 // Copyright 2013 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/browser/media_galleries/win/snapshot_file_details.h"
      6 
      7 #include "base/basictypes.h"
      8 
      9 namespace chrome {
     10 
     11 ///////////////////////////////////////////////////////////////////////////////
     12 //                       SnapshotRequestInfo                                 //
     13 ///////////////////////////////////////////////////////////////////////////////
     14 
     15 SnapshotRequestInfo::SnapshotRequestInfo(
     16     const base::FilePath& device_file_path,
     17     const base::FilePath& snapshot_file_path,
     18     const MTPDeviceAsyncDelegate::CreateSnapshotFileSuccessCallback&
     19         success_callback,
     20     const MTPDeviceAsyncDelegate::ErrorCallback& error_callback)
     21     : device_file_path(device_file_path),
     22       snapshot_file_path(snapshot_file_path),
     23       success_callback(success_callback),
     24       error_callback(error_callback) {
     25 }
     26 
     27 ///////////////////////////////////////////////////////////////////////////////
     28 //                       SnapshotFileDetails                                 //
     29 ///////////////////////////////////////////////////////////////////////////////
     30 
     31 SnapshotFileDetails::SnapshotFileDetails(
     32     const SnapshotRequestInfo& request_info)
     33     : request_info_(request_info),
     34       optimal_transfer_size_(0),
     35       bytes_written_(0) {
     36 }
     37 
     38 SnapshotFileDetails::~SnapshotFileDetails() {
     39   file_stream_.Release();
     40 }
     41 
     42 void SnapshotFileDetails::set_file_info(
     43     const base::PlatformFileInfo& file_info) {
     44   file_info_ = file_info;
     45 }
     46 
     47 void SnapshotFileDetails::set_device_file_stream(
     48     IStream* file_stream) {
     49   file_stream_ = file_stream;
     50 }
     51 
     52 void SnapshotFileDetails::set_optimal_transfer_size(
     53     DWORD optimal_transfer_size) {
     54   optimal_transfer_size_ = optimal_transfer_size;
     55 }
     56 
     57 bool SnapshotFileDetails::IsSnapshotFileWriteComplete() const {
     58   return bytes_written_ == file_info_.size;
     59 }
     60 
     61 bool SnapshotFileDetails::AddBytesWritten(DWORD bytes_written) {
     62   if ((bytes_written == 0) ||
     63       (bytes_written_ > kuint64max - bytes_written) ||
     64       (bytes_written_ + bytes_written > file_info_.size))
     65     return false;
     66 
     67   bytes_written_ += bytes_written;
     68   return true;
     69 }
     70 
     71 }  // namespace chrome
     72