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Side by Side Diff: chrome/browser/renderer_host/download_resource_handler.h

Issue 7192016: chrome.experimental.downloads (Closed) Base URL: http://git.chromium.org/git/chromium.git@trunk
Patch Set: merged db_handle, id; onCreated, onErased Created 9 years, 5 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 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 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 #ifndef CHROME_BROWSER_RENDERER_HOST_DOWNLOAD_RESOURCE_HANDLER_H_ 5 #ifndef CHROME_BROWSER_RENDERER_HOST_DOWNLOAD_RESOURCE_HANDLER_H_
6 #define CHROME_BROWSER_RENDERER_HOST_DOWNLOAD_RESOURCE_HANDLER_H_ 6 #define CHROME_BROWSER_RENDERER_HOST_DOWNLOAD_RESOURCE_HANDLER_H_
7 #pragma once 7 #pragma once
8 8
9 #include <string> 9 #include <string>
10 10
11 #include "base/callback.h"
11 #include "base/memory/scoped_ptr.h" 12 #include "base/memory/scoped_ptr.h"
12 #include "base/timer.h" 13 #include "base/timer.h"
13 #include "chrome/browser/download/download_file.h" 14 #include "chrome/browser/download/download_file.h"
14 #include "content/browser/renderer_host/global_request_id.h" 15 #include "content/browser/renderer_host/global_request_id.h"
15 #include "content/browser/renderer_host/resource_handler.h" 16 #include "content/browser/renderer_host/resource_handler.h"
16 17
17 class DownloadFileManager; 18 class DownloadFileManager;
18 class ResourceDispatcherHost; 19 class ResourceDispatcherHost;
19 struct DownloadBuffer; 20 struct DownloadBuffer;
20 21
21 namespace net { 22 namespace net {
22 class URLRequest; 23 class URLRequest;
23 } // namespace net 24 } // namespace net
24 25
25 // Forwards data to the download thread. 26 // Forwards data to the download thread.
26 class DownloadResourceHandler : public ResourceHandler { 27 class DownloadResourceHandler : public ResourceHandler {
27 public: 28 public:
29 typedef base::Callback<void(int/*download_id*/, int/*error*/)>
30 OnStartedCallback;
31
32 // started_cb will be called exactly once.
28 DownloadResourceHandler(ResourceDispatcherHost* rdh, 33 DownloadResourceHandler(ResourceDispatcherHost* rdh,
29 int render_process_host_id, 34 int render_process_host_id,
30 int render_view_id, 35 int render_view_id,
31 int request_id, 36 int request_id,
32 const GURL& url, 37 const GURL& url,
33 DownloadFileManager* download_file_manager, 38 DownloadFileManager* download_file_manager,
34 net::URLRequest* request, 39 net::URLRequest* request,
35 bool save_as, 40 bool save_as,
41 OnStartedCallback started_cb,
36 const DownloadSaveInfo& save_info); 42 const DownloadSaveInfo& save_info);
37 43
38 virtual bool OnUploadProgress(int request_id, uint64 position, uint64 size); 44 virtual bool OnUploadProgress(int request_id, uint64 position, uint64 size);
39 45
40 // Not needed, as this event handler ought to be the final resource. 46 // Not needed, as this event handler ought to be the final resource.
41 virtual bool OnRequestRedirected(int request_id, const GURL& url, 47 virtual bool OnRequestRedirected(int request_id, const GURL& url,
42 ResourceResponse* response, bool* defer); 48 ResourceResponse* response, bool* defer);
43 49
44 // Send the download creation information to the download thread. 50 // Send the download creation information to the download thread.
45 virtual bool OnResponseStarted(int request_id, ResourceResponse* response); 51 virtual bool OnResponseStarted(int request_id, ResourceResponse* response);
(...skipping 21 matching lines...) Expand all
67 void set_content_disposition(const std::string& content_disposition); 73 void set_content_disposition(const std::string& content_disposition);
68 74
69 void CheckWriteProgress(); 75 void CheckWriteProgress();
70 76
71 std::string DebugString() const; 77 std::string DebugString() const;
72 78
73 private: 79 private:
74 virtual ~DownloadResourceHandler(); 80 virtual ~DownloadResourceHandler();
75 81
76 void StartPauseTimer(); 82 void StartPauseTimer();
83 void OnResponseStartedOnUIThread(DownloadCreateInfo* info);
84 void CallStartedCB(int error);
77 85
78 int download_id_; 86 int download_id_;
79 GlobalRequestID global_id_; 87 GlobalRequestID global_id_;
80 int render_view_id_; 88 int render_view_id_;
81 scoped_refptr<net::IOBuffer> read_buffer_; 89 scoped_refptr<net::IOBuffer> read_buffer_;
82 std::string content_disposition_; 90 std::string content_disposition_;
83 int64 content_length_; 91 int64 content_length_;
84 DownloadFileManager* download_file_manager_; 92 DownloadFileManager* download_file_manager_;
85 net::URLRequest* request_; 93 net::URLRequest* request_;
86 bool save_as_; // Request was initiated via "Save As" by the user. 94 bool save_as_; // Request was initiated via "Save As" by the user.
95 OnStartedCallback started_cb_;
87 DownloadSaveInfo save_info_; 96 DownloadSaveInfo save_info_;
88 scoped_ptr<DownloadBuffer> buffer_; 97 scoped_ptr<DownloadBuffer> buffer_;
89 ResourceDispatcherHost* rdh_; 98 ResourceDispatcherHost* rdh_;
90 bool is_paused_; 99 bool is_paused_;
91 base::OneShotTimer<DownloadResourceHandler> pause_timer_; 100 base::OneShotTimer<DownloadResourceHandler> pause_timer_;
92 base::TimeTicks download_start_time_; // used to collect stats. 101 base::TimeTicks download_start_time_; // used to collect stats.
93 static const int kReadBufSize = 32768; // bytes 102 static const int kReadBufSize = 32768; // bytes
94 static const size_t kLoadsToWrite = 100; // number of data buffers queued 103 static const size_t kLoadsToWrite = 100; // number of data buffers queued
95 static const int kThrottleTimeMs = 200; // milliseconds 104 static const int kThrottleTimeMs = 200; // milliseconds
96 105
97 DISALLOW_COPY_AND_ASSIGN(DownloadResourceHandler); 106 DISALLOW_COPY_AND_ASSIGN(DownloadResourceHandler);
98 }; 107 };
99 108
100 #endif // CHROME_BROWSER_RENDERER_HOST_DOWNLOAD_RESOURCE_HANDLER_H_ 109 #endif // CHROME_BROWSER_RENDERER_HOST_DOWNLOAD_RESOURCE_HANDLER_H_
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