| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef MOZC_CHROME_NACL_DICTIONARY_DOWNLOADER_H_ |
| #define MOZC_CHROME_NACL_DICTIONARY_DOWNLOADER_H_ |
| |
| #include <string> |
| |
| #include "base/port.h" |
| #include "base/scoped_ptr.h" |
| |
| namespace mozc { |
| namespace chrome { |
| namespace nacl { |
| |
| class DictionaryDownloader { |
| public: |
| enum DownloadStatus { |
| DOWNLOAD_INITIALIZED, |
| DOWNLOAD_PENDING, |
| DOWNLOAD_STARTED, |
| DOWNLOAD_FINISHED, |
| DOWNLOAD_WAITING_FOR_RETRY, |
| DOWNLOAD_ERROR |
| }; |
| DictionaryDownloader(const string &url, |
| const string &file_name); |
| ~DictionaryDownloader(); |
| // Sets the options. |
| void SetOption(uint32 start_delay, |
| uint32 random_delay, |
| uint32 retry_interval, |
| uint32 retry_backoff_count, |
| uint32 max_retry); |
| // Downloading will be started after start_delay + [0 - random_delay] msec. |
| // If failed, 1st retry is started after retry_interval + [0 - random_delay]. |
| // While the retry count is less than retry_backoff_count, retry_interval will |
| // be doubled. |
| void StartDownload(); |
| DownloadStatus GetStatus(); |
| |
| private: |
| class Impl; |
| scoped_ptr<Impl> impl_; |
| DISALLOW_COPY_AND_ASSIGN(DictionaryDownloader); |
| }; |
| |
| } // namespace nacl |
| } // namespace chrome |
| } // namespace mozc |
| |
| #endif // MOZC_CHROME_NACL_DICTIONARY_DOWNLOADER_H_ |