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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #include "webkit/browser/fileapi/sandbox_file_stream_writer.h" | 5 #include "webkit/browser/fileapi/sandbox_file_stream_writer.h" |
| 6 | 6 |
| 7 #include "base/files/file_util_proxy.h" | 7 #include "base/files/file_util_proxy.h" |
| 8 #include "base/platform_file.h" | 8 #include "base/platform_file.h" |
| 9 #include "base/sequenced_task_runner.h" | 9 #include "base/sequenced_task_runner.h" |
| 10 #include "net/base/io_buffer.h" | 10 #include "net/base/io_buffer.h" |
| 11 #include "net/base/net_errors.h" | 11 #include "net/base/net_errors.h" |
| 12 #include "webkit/browser/blob/local_file_stream_reader.h" | 12 #include "webkit/browser/blob/local_file_stream_reader.h" |
| 13 #include "webkit/browser/fileapi/file_observers.h" | 13 #include "webkit/browser/fileapi/file_observers.h" |
| 14 #include "webkit/browser/fileapi/file_system_context.h" | 14 #include "webkit/browser/fileapi/file_system_context.h" |
| 15 #include "webkit/browser/fileapi/file_system_operation_runner.h" | 15 #include "webkit/browser/fileapi/file_system_operation_runner.h" |
| 16 #include "webkit/browser/fileapi/file_system_task_runners.h" | |
| 17 #include "webkit/browser/fileapi/local_file_stream_writer.h" | 16 #include "webkit/browser/fileapi/local_file_stream_writer.h" |
| 18 #include "webkit/browser/quota/quota_manager.h" | 17 #include "webkit/browser/quota/quota_manager.h" |
| 19 #include "webkit/common/fileapi/file_system_util.h" | 18 #include "webkit/common/fileapi/file_system_util.h" |
| 20 | 19 |
| 21 namespace fileapi { | 20 namespace fileapi { |
| 22 | 21 |
| 23 namespace { | 22 namespace { |
| 24 | 23 |
| 25 // Adjust the |quota| value in overwriting case (i.e. |file_size| > 0 and | 24 // Adjust the |quota| value in overwriting case (i.e. |file_size| > 0 and |
| 26 // |file_offset| < |file_size|) to make the remaining quota calculation easier. | 25 // |file_offset| < |file_size|) to make the remaining quota calculation easier. |
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| 132 } | 131 } |
| 133 file_size_ = file_info.size; | 132 file_size_ = file_info.size; |
| 134 if (initial_offset_ > file_size_) { | 133 if (initial_offset_ > file_size_) { |
| 135 LOG(ERROR) << initial_offset_ << ", " << file_size_; | 134 LOG(ERROR) << initial_offset_ << ", " << file_size_; |
| 136 // This shouldn't happen as long as we check offset in the renderer. | 135 // This shouldn't happen as long as we check offset in the renderer. |
| 137 NOTREACHED(); | 136 NOTREACHED(); |
| 138 initial_offset_ = file_size_; | 137 initial_offset_ = file_size_; |
| 139 } | 138 } |
| 140 DCHECK(!local_file_writer_.get()); | 139 DCHECK(!local_file_writer_.get()); |
| 141 local_file_writer_.reset(new LocalFileStreamWriter( | 140 local_file_writer_.reset(new LocalFileStreamWriter( |
| 142 file_system_context_->task_runners()->file_task_runner(), platform_path, | 141 file_system_context_->default_file_task_runner(), platform_path, |
| 143 initial_offset_)); | 142 initial_offset_)); |
| 144 | 143 |
| 145 quota::QuotaManagerProxy* quota_manager_proxy = | 144 quota::QuotaManagerProxy* quota_manager_proxy = |
| 146 file_system_context_->quota_manager_proxy(); | 145 file_system_context_->quota_manager_proxy(); |
| 147 if (!quota_manager_proxy) { | 146 if (!quota_manager_proxy) { |
| 148 // If we don't have the quota manager or the requested filesystem type | 147 // If we don't have the quota manager or the requested filesystem type |
| 149 // does not support quota, we should be able to let it go. | 148 // does not support quota, we should be able to let it go. |
| 150 allowed_bytes_to_write_ = default_quota_; | 149 allowed_bytes_to_write_ = default_quota_; |
| 151 callback.Run(net::OK); | 150 callback.Run(net::OK); |
| 152 return; | 151 return; |
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| 237 DCHECK(cancel_callback_.is_null()); | 236 DCHECK(cancel_callback_.is_null()); |
| 238 | 237 |
| 239 // Write() is not called yet, so there's nothing to flush. | 238 // Write() is not called yet, so there's nothing to flush. |
| 240 if (!local_file_writer_) | 239 if (!local_file_writer_) |
| 241 return net::OK; | 240 return net::OK; |
| 242 | 241 |
| 243 return local_file_writer_->Flush(callback); | 242 return local_file_writer_->Flush(callback); |
| 244 } | 243 } |
| 245 | 244 |
| 246 } // namespace fileapi | 245 } // namespace fileapi |
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