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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 // The DownloadManager object manages the process of downloading, including | 5 // The DownloadManager object manages the process of downloading, including |
| 6 // updates to the history system and providing the information for displaying | 6 // updates to the history system and providing the information for displaying |
| 7 // the downloads view in the Destinations tab. There is one DownloadManager per | 7 // the downloads view in the Destinations tab. There is one DownloadManager per |
| 8 // active profile in Chrome. | 8 // active profile in Chrome. |
| 9 // | 9 // |
| 10 // Download observers: | 10 // Download observers: |
| 11 // Objects that are interested in notifications about new downloads, or progress | 11 // Objects that are interested in notifications about new downloads, or progress |
| 12 // updates for a given download must implement one of the download observer | 12 // updates for a given download must implement one of the download observer |
| 13 // interfaces: | 13 // interfaces: |
| 14 // DownloadManager::Observer: | 14 // DownloadManager::Observer: |
| 15 // - allows observers, primarily views, to be notified when changes to the | 15 // - allows observers, primarily views, to be notified when changes to the |
| 16 // set of all downloads (such as new downloads, or deletes) occur | 16 // set of all downloads (such as new downloads, or deletes) occur |
| 17 // Use AddObserver() / RemoveObserver() on the appropriate download object to | 17 // Use AddObserver() / RemoveObserver() on the appropriate download object to |
| 18 // receive state updates. | 18 // receive state updates. |
| 19 // | 19 // |
| 20 // Download state persistence: | 20 // Download state persistence: |
| 21 // The DownloadManager uses the history service for storing persistent | 21 // The DownloadManager uses the history service for storing persistent |
| 22 // information about the state of all downloads. The history system maintains a | 22 // information about the state of all downloads. The history system maintains a |
| 23 // separate table for this called 'downloads'. At the point that the | 23 // separate table for this called 'downloads'. At the point that the |
| 24 // DownloadManager is constructed, we query the history service for the state of | 24 // DownloadManager is constructed, we query the history service for the state of |
| 25 // all persisted downloads. | 25 // all persisted downloads. |
| 26 | 26 |
| 27 #ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_H_ | 27 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_H_ |
| 28 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_H_ | 28 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_H_ |
| 29 #pragma once | 29 #pragma once |
| 30 | 30 |
| 31 #include <map> | 31 #include <map> |
| 32 #include <set> | 32 #include <set> |
| 33 #include <string> | 33 #include <string> |
| 34 #include <vector> | 34 #include <vector> |
| 35 | 35 |
| 36 #include "base/basictypes.h" | 36 #include "base/basictypes.h" |
| 37 #include "base/file_path.h" | 37 #include "base/file_path.h" |
| 38 #include "base/gtest_prod_util.h" | 38 #include "base/gtest_prod_util.h" |
| 39 #include "base/hash_tables.h" | 39 #include "base/hash_tables.h" |
| 40 #include "base/memory/ref_counted.h" | 40 #include "base/memory/ref_counted.h" |
| 41 #include "base/memory/scoped_ptr.h" | 41 #include "base/memory/scoped_ptr.h" |
| 42 #include "base/memory/weak_ptr.h" | 42 #include "base/memory/weak_ptr.h" |
| 43 #include "base/observer_list.h" | 43 #include "base/observer_list.h" |
| 44 #include "base/time.h" | 44 #include "base/time.h" |
| 45 #include "chrome/browser/download/download_item.h" | |
| 46 #include "chrome/browser/download/download_request_handle.h" | |
| 47 #include "chrome/browser/download/download_status_updater_delegate.h" | |
| 48 #include "content/browser/browser_thread.h" | 45 #include "content/browser/browser_thread.h" |
| 46 #include "content/browser/download/download_item.h" |
| 47 #include "content/browser/download/download_request_handle.h" |
| 48 #include "content/browser/download/download_status_updater_delegate.h" |
| 49 | 49 |
| 50 class DownloadFileManager; | 50 class DownloadFileManager; |
| 51 class DownloadHistory; | 51 class DownloadHistory; |
| 52 class DownloadManagerDelegate; | 52 class DownloadManagerDelegate; |
| 53 class DownloadPrefs; | 53 class DownloadPrefs; |
| 54 class DownloadStatusUpdater; | 54 class DownloadStatusUpdater; |
| 55 class GURL; | 55 class GURL; |
| 56 class Profile; | 56 class Profile; |
| 57 class ResourceDispatcherHost; | 57 class ResourceDispatcherHost; |
| 58 class TabContents; | 58 class TabContents; |
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| 408 int32 next_save_page_id_; | 408 int32 next_save_page_id_; |
| 409 | 409 |
| 410 scoped_ptr<OtherDownloadManagerObserver> other_download_manager_observer_; | 410 scoped_ptr<OtherDownloadManagerObserver> other_download_manager_observer_; |
| 411 | 411 |
| 412 // Allows an embedder to control behavior. Guaranteed to outlive this object. | 412 // Allows an embedder to control behavior. Guaranteed to outlive this object. |
| 413 DownloadManagerDelegate* delegate_; | 413 DownloadManagerDelegate* delegate_; |
| 414 | 414 |
| 415 DISALLOW_COPY_AND_ASSIGN(DownloadManager); | 415 DISALLOW_COPY_AND_ASSIGN(DownloadManager); |
| 416 }; | 416 }; |
| 417 | 417 |
| 418 #endif // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_H_ | 418 #endif // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_MANAGER_H_ |
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