| // Copyright 2014 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 <string> |
| |
| #include "base/callback.h" |
| #include "base/files/file.h" |
| #include "components/nacl/renderer/ppb_nacl_private.h" |
| #include "third_party/WebKit/public/platform/WebURLLoaderClient.h" |
| |
| namespace blink { |
| struct WebURLError; |
| class WebURLLoader; |
| class WebURLResponse; |
| } |
| |
| namespace nacl { |
| |
| // Downloads a file and writes the contents to a specified file open for |
| // writing. |
| class FileDownloader : public blink::WebURLLoaderClient { |
| public: |
| enum Status { |
| SUCCESS, |
| ACCESS_DENIED, |
| FAILED |
| }; |
| |
| // Provides the FileDownloader status and the HTTP status code. |
| typedef base::Callback<void(Status, base::File, int)> StatusCallback; |
| |
| // Provides the bytes received so far, and the total bytes expected to be |
| // received. |
| typedef base::Callback<void(int64_t, int64_t)> ProgressCallback; |
| |
| FileDownloader(scoped_ptr<blink::WebURLLoader> url_loader, |
| base::File file, |
| StatusCallback status_cb, |
| ProgressCallback progress_cb); |
| |
| virtual ~FileDownloader(); |
| |
| void Load(const blink::WebURLRequest& request); |
| |
| private: |
| // WebURLLoaderClient implementation. |
| virtual void didReceiveResponse(blink::WebURLLoader* loader, |
| const blink::WebURLResponse& response); |
| virtual void didReceiveData(blink::WebURLLoader* loader, |
| const char* data, |
| int data_length, |
| int encoded_data_length); |
| virtual void didFinishLoading(blink::WebURLLoader* loader, |
| double finish_time, |
| int64_t total_encoded_data_length); |
| virtual void didFail(blink::WebURLLoader* loader, |
| const blink::WebURLError& error); |
| |
| scoped_ptr<blink::WebURLLoader> url_loader_; |
| base::File file_; |
| StatusCallback status_cb_; |
| ProgressCallback progress_cb_; |
| int http_status_code_; |
| int64_t total_bytes_received_; |
| int64_t total_bytes_to_be_received_; |
| Status status_; |
| }; |
| |
| } // namespace nacl |