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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 // Objects that handle file operations for saving files, on the file thread. | 5 // Objects that handle file operations for saving files, on the file thread. |
| 6 // | 6 // |
| 7 // The SaveFileManager owns a set of SaveFile objects, each of which connects | 7 // The SaveFileManager owns a set of SaveFile objects, each of which connects |
| 8 // with a SaveItem object which belongs to one SavePackage and runs on the file | 8 // with a SaveItem object which belongs to one SavePackage and runs on the file |
| 9 // thread for saving data in order to avoid disk activity on either network IO | 9 // thread for saving data in order to avoid disk activity on either network IO |
| 10 // thread or the UI thread. It coordinates the notifications from the network | 10 // thread or the UI thread. It coordinates the notifications from the network |
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| 59 #define CHROME_BROWSER_DOWNLOAD_SAVE_FILE_MANAGER_H__ | 59 #define CHROME_BROWSER_DOWNLOAD_SAVE_FILE_MANAGER_H__ |
| 60 #pragma once | 60 #pragma once |
| 61 | 61 |
| 62 #include <string> | 62 #include <string> |
| 63 | 63 |
| 64 #include "base/basictypes.h" | 64 #include "base/basictypes.h" |
| 65 #include "base/hash_tables.h" | 65 #include "base/hash_tables.h" |
| 66 #include "base/memory/ref_counted.h" | 66 #include "base/memory/ref_counted.h" |
| 67 #include "chrome/browser/download/save_types.h" | 67 #include "chrome/browser/download/save_types.h" |
| 68 | 68 |
| 69 namespace net { | |
| 70 class IOBuffer; | |
| 71 } | |
| 72 class FilePath; | 69 class FilePath; |
| 73 class GURL; | 70 class GURL; |
| 74 class SaveFile; | 71 class SaveFile; |
| 75 class SavePackage; | 72 class SavePackage; |
| 76 class ResourceDispatcherHost; | 73 class ResourceDispatcherHost; |
| 77 class Task; | 74 class Task; |
| 78 | 75 |
| 76 namespace content { |
| 77 class ResourceContext; |
| 78 } |
| 79 |
| 79 namespace net { | 80 namespace net { |
| 80 class URLRequestContextGetter; | 81 class IOBuffer; |
| 81 } | 82 } |
| 82 | 83 |
| 83 class SaveFileManager | 84 class SaveFileManager |
| 84 : public base::RefCountedThreadSafe<SaveFileManager> { | 85 : public base::RefCountedThreadSafe<SaveFileManager> { |
| 85 public: | 86 public: |
| 86 explicit SaveFileManager(ResourceDispatcherHost* rdh); | 87 explicit SaveFileManager(ResourceDispatcherHost* rdh); |
| 87 | 88 |
| 88 // Lifetime management. | 89 // Lifetime management. |
| 89 void Shutdown(); | 90 void Shutdown(); |
| 90 | 91 |
| 91 // Called on the IO thread | 92 // Called on the IO thread |
| 92 int GetNextId(); | 93 int GetNextId(); |
| 93 | 94 |
| 94 // Save the specified URL. Called on the UI thread and forwarded to the | 95 // Save the specified URL. Called on the UI thread and forwarded to the |
| 95 // ResourceDispatcherHost on the IO thread. | 96 // ResourceDispatcherHost on the IO thread. |
| 96 void SaveURL(const GURL& url, | 97 void SaveURL(const GURL& url, |
| 97 const GURL& referrer, | 98 const GURL& referrer, |
| 98 int render_process_host_id, | 99 int render_process_host_id, |
| 99 int render_view_id, | 100 int render_view_id, |
| 100 SaveFileCreateInfo::SaveFileSource save_source, | 101 SaveFileCreateInfo::SaveFileSource save_source, |
| 101 const FilePath& file_full_path, | 102 const FilePath& file_full_path, |
| 102 net::URLRequestContextGetter* request_context_getter, | 103 const content::ResourceContext& context, |
| 103 SavePackage* save_package); | 104 SavePackage* save_package); |
| 104 | 105 |
| 105 // Notifications sent from the IO thread and run on the file thread: | 106 // Notifications sent from the IO thread and run on the file thread: |
| 106 void StartSave(SaveFileCreateInfo* info); | 107 void StartSave(SaveFileCreateInfo* info); |
| 107 void UpdateSaveProgress(int save_id, net::IOBuffer* data, int size); | 108 void UpdateSaveProgress(int save_id, net::IOBuffer* data, int size); |
| 108 void SaveFinished(int save_id, | 109 void SaveFinished(int save_id, |
| 109 const GURL& save_url, | 110 const GURL& save_url, |
| 110 int render_process_id, | 111 int render_process_id, |
| 111 bool is_success); | 112 bool is_success); |
| 112 | 113 |
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| 206 // Deletes a specified file on the file thread. | 207 // Deletes a specified file on the file thread. |
| 207 void OnDeleteDirectoryOrFile(const FilePath& full_path, bool is_dir); | 208 void OnDeleteDirectoryOrFile(const FilePath& full_path, bool is_dir); |
| 208 | 209 |
| 209 // Notifications sent from the UI thread and run on the IO thread | 210 // Notifications sent from the UI thread and run on the IO thread |
| 210 | 211 |
| 211 // Initiates a request for URL to be saved. | 212 // Initiates a request for URL to be saved. |
| 212 void OnSaveURL(const GURL& url, | 213 void OnSaveURL(const GURL& url, |
| 213 const GURL& referrer, | 214 const GURL& referrer, |
| 214 int render_process_host_id, | 215 int render_process_host_id, |
| 215 int render_view_id, | 216 int render_view_id, |
| 216 net::URLRequestContextGetter* request_context_getter); | 217 const content::ResourceContext* context); |
| 217 // Handler for a notification sent to the IO thread for generating save id. | 218 // Handler for a notification sent to the IO thread for generating save id. |
| 218 void OnRequireSaveJobFromOtherSource(SaveFileCreateInfo* info); | 219 void OnRequireSaveJobFromOtherSource(SaveFileCreateInfo* info); |
| 219 // Call ResourceDispatcherHost's CancelRequest method to execute cancel | 220 // Call ResourceDispatcherHost's CancelRequest method to execute cancel |
| 220 // action in the IO thread. | 221 // action in the IO thread. |
| 221 void ExecuteCancelSaveRequest(int render_process_id, int request_id); | 222 void ExecuteCancelSaveRequest(int render_process_id, int request_id); |
| 222 | 223 |
| 223 // Unique ID for the next SaveFile object. | 224 // Unique ID for the next SaveFile object. |
| 224 int next_id_; | 225 int next_id_; |
| 225 | 226 |
| 226 // A map of all saving jobs by using save id. | 227 // A map of all saving jobs by using save id. |
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| 245 // hashmap since it is possible to save same URL in different tab at | 246 // hashmap since it is possible to save same URL in different tab at |
| 246 // same time. | 247 // same time. |
| 247 typedef base::hash_map<std::string, SavePackage*> StartingRequestsMap; | 248 typedef base::hash_map<std::string, SavePackage*> StartingRequestsMap; |
| 248 typedef base::hash_map<int, StartingRequestsMap> TabToStartingRequestsMap; | 249 typedef base::hash_map<int, StartingRequestsMap> TabToStartingRequestsMap; |
| 249 TabToStartingRequestsMap tab_starting_requests_; | 250 TabToStartingRequestsMap tab_starting_requests_; |
| 250 | 251 |
| 251 DISALLOW_COPY_AND_ASSIGN(SaveFileManager); | 252 DISALLOW_COPY_AND_ASSIGN(SaveFileManager); |
| 252 }; | 253 }; |
| 253 | 254 |
| 254 #endif // CHROME_BROWSER_DOWNLOAD_SAVE_FILE_MANAGER_H__ | 255 #endif // CHROME_BROWSER_DOWNLOAD_SAVE_FILE_MANAGER_H__ |
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