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| 1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_RENDERER_HOST_SAVE_FILE_RESOURCE_HANDLER_H_ | |
| 6 #define CHROME_BROWSER_RENDERER_HOST_SAVE_FILE_RESOURCE_HANDLER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <string> | |
| 10 | |
| 11 #include "content/browser/renderer_host/resource_handler.h" | |
| 12 #include "googleurl/src/gurl.h" | |
| 13 | |
| 14 class SaveFileManager; | |
| 15 | |
| 16 // Forwards data to the save thread. | |
| 17 class SaveFileResourceHandler : public ResourceHandler { | |
| 18 public: | |
| 19 SaveFileResourceHandler(int render_process_host_id, | |
| 20 int render_view_id, | |
| 21 const GURL& url, | |
| 22 SaveFileManager* manager); | |
| 23 | |
| 24 // ResourceHandler Implementation: | |
| 25 virtual bool OnUploadProgress(int request_id, uint64 position, uint64 size); | |
| 26 | |
| 27 // Saves the redirected URL to final_url_, we need to use the original | |
| 28 // URL to match original request. | |
| 29 virtual bool OnRequestRedirected(int request_id, const GURL& url, | |
| 30 ResourceResponse* response, bool* defer); | |
| 31 | |
| 32 // Sends the download creation information to the download thread. | |
| 33 virtual bool OnResponseStarted(int request_id, ResourceResponse* response); | |
| 34 | |
| 35 // Pass-through implementation. | |
| 36 virtual bool OnWillStart(int request_id, const GURL& url, bool* defer); | |
| 37 | |
| 38 // Creates a new buffer, which will be handed to the download thread for file | |
| 39 // writing and deletion. | |
| 40 virtual bool OnWillRead(int request_id, net::IOBuffer** buf, int* buf_size, | |
| 41 int min_size); | |
| 42 | |
| 43 // Passes the buffer to the download file writer. | |
| 44 virtual bool OnReadCompleted(int request_id, int* bytes_read); | |
| 45 | |
| 46 virtual bool OnResponseCompleted(int request_id, | |
| 47 const net::URLRequestStatus& status, | |
| 48 const std::string& security_info); | |
| 49 | |
| 50 virtual void OnRequestClosed(); | |
| 51 | |
| 52 // If the content-length header is not present (or contains something other | |
| 53 // than numbers), StringToInt64 returns 0, which indicates 'unknown size' and | |
| 54 // is handled correctly by the SaveManager. | |
| 55 void set_content_length(const std::string& content_length); | |
| 56 | |
| 57 void set_content_disposition(const std::string& content_disposition) { | |
| 58 content_disposition_ = content_disposition; | |
| 59 } | |
| 60 | |
| 61 private: | |
| 62 virtual ~SaveFileResourceHandler(); | |
| 63 | |
| 64 int save_id_; | |
| 65 int render_process_id_; | |
| 66 int render_view_id_; | |
| 67 scoped_refptr<net::IOBuffer> read_buffer_; | |
| 68 std::string content_disposition_; | |
| 69 GURL url_; | |
| 70 GURL final_url_; | |
| 71 int64 content_length_; | |
| 72 SaveFileManager* save_manager_; | |
| 73 | |
| 74 static const int kReadBufSize = 32768; // bytes | |
| 75 | |
| 76 DISALLOW_COPY_AND_ASSIGN(SaveFileResourceHandler); | |
| 77 }; | |
| 78 | |
| 79 #endif // CHROME_BROWSER_RENDERER_HOST_SAVE_FILE_RESOURCE_HANDLER_H_ | |
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