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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_DOWNLOAD_HYPERBOLIC_DOWNLOAD_ITEM_NOTIFIER_H_ | 5 #ifndef CHROME_BROWSER_DOWNLOAD_ALL_DOWNLOAD_ITEM_NOTIFIER_H_ |
| 6 #define CHROME_BROWSER_DOWNLOAD_HYPERBOLIC_DOWNLOAD_ITEM_NOTIFIER_H_ | 6 #define CHROME_BROWSER_DOWNLOAD_ALL_DOWNLOAD_ITEM_NOTIFIER_H_ |
| 7 | 7 |
| 8 #include <set> | 8 #include <set> |
| 9 | 9 |
| 10 #include "content/public/browser/download_manager.h" | 10 #include "content/public/browser/download_manager.h" |
| 11 #include "content/public/browser/download_item.h" | 11 #include "content/public/browser/download_item.h" |
| 12 | 12 |
| 13 // HyperbolicDownloadItemNotifier observes ALL the DownloadItems on a given | 13 // AllDownloadItemNotifier observes ALL the DownloadItems on a given |
| 14 // DownloadManager. | 14 // DownloadManager. |
| 15 // Clients should use GetManager() instead of storing their own pointer to the | 15 // Clients should use GetManager() instead of storing their own pointer to the |
| 16 // manager so that they can be sensitive to managers that have gone down. | 16 // manager so that they can be sensitive to managers that have gone down. |
| 17 | 17 |
| 18 // Example Usage: | 18 // Example Usage: |
| 19 // class AndAHalf : public HyperbolicDownloadItemNotifier::Observer { | 19 // class AndAHalf : public AllDownloadItemNotifier::Observer { |
|
Randy Smith (Not in Mondays)
2012/09/24 16:03:48
HyperboleAndAHalf? (I.e. current name doesn't mak
benjhayden
2012/09/24 16:46:29
Done.
| |
| 20 // public: | 20 // public: |
| 21 // AndAHalf(content::DownloadManager* original_manager, | 21 // AndAHalf(content::DownloadManager* original_manager, |
| 22 // content::DownloadManager* incognito_manager) | 22 // content::DownloadManager* incognito_manager) |
| 23 // : ALLOW_THIS_IN_INITIALIZATION_LIST(original_hyperbole_( | 23 // : ALLOW_THIS_IN_INITIALIZATION_LIST(original_notifier_( |
| 24 // original_manager, this)), | 24 // original_manager, this)), |
| 25 // ALLOW_THIS_IN_INITIALIZATION_LIST(incognito_hyperbole_( | 25 // ALLOW_THIS_IN_INITIALIZATION_LIST(incognito_notifier_( |
| 26 // incognito_manager, this)) { | 26 // incognito_manager, this)) { |
| 27 // } | 27 // } |
| 28 // | 28 // |
| 29 // virtual void OnDownloadUpdated( | 29 // virtual void OnDownloadUpdated( |
| 30 // content::DownloadManager* manager, content::DownloadItem* item) { ... } | 30 // content::DownloadManager* manager, content::DownloadItem* item) { ... } |
| 31 // | 31 // |
| 32 // private: | 32 // private: |
| 33 // HyperbolicDownloadItemNotifier original_hyperbole_; | 33 // AllDownloadItemNotifier original_notifier_; |
| 34 // HyperbolicDownloadItemNotifier incognito_hyperbole_; | 34 // AllDownloadItemNotifier incognito_notifier_; |
| 35 // }; | 35 // }; |
| 36 | 36 |
| 37 class HyperbolicDownloadItemNotifier | 37 class AllDownloadItemNotifier |
| 38 : public content::DownloadManager::Observer, | 38 : public content::DownloadManager::Observer, |
| 39 public content::DownloadItem::Observer { | 39 public content::DownloadItem::Observer { |
| 40 public: | 40 public: |
| 41 // All of the methods take the DownloadManager so that subclasses can observe | 41 // All of the methods take the DownloadManager so that subclasses can observe |
| 42 // multiple managers at once and easily distinguish which manager a given item | 42 // multiple managers at once and easily distinguish which manager a given item |
| 43 // belongs to. | 43 // belongs to. |
| 44 class Observer { | 44 class Observer { |
| 45 public: | 45 public: |
| 46 Observer() {} | 46 Observer() {} |
| 47 virtual ~Observer() {} | 47 virtual ~Observer() {} |
| 48 | 48 |
| 49 virtual void OnDownloadCreated( | 49 virtual void OnDownloadCreated( |
| 50 content::DownloadManager* manager, content::DownloadItem* item) {} | 50 content::DownloadManager* manager, content::DownloadItem* item) {} |
| 51 virtual void OnDownloadUpdated( | 51 virtual void OnDownloadUpdated( |
| 52 content::DownloadManager* manager, content::DownloadItem* item) {} | 52 content::DownloadManager* manager, content::DownloadItem* item) {} |
| 53 virtual void OnDownloadOpened( | 53 virtual void OnDownloadOpened( |
| 54 content::DownloadManager* manager, content::DownloadItem* item) {} | 54 content::DownloadManager* manager, content::DownloadItem* item) {} |
| 55 virtual void OnDownloadRemoved( | 55 virtual void OnDownloadRemoved( |
| 56 content::DownloadManager* manager, content::DownloadItem* item) {} | 56 content::DownloadManager* manager, content::DownloadItem* item) {} |
| 57 | 57 |
| 58 private: | 58 private: |
| 59 DISALLOW_COPY_AND_ASSIGN(Observer); | 59 DISALLOW_COPY_AND_ASSIGN(Observer); |
| 60 }; | 60 }; |
| 61 | 61 |
| 62 HyperbolicDownloadItemNotifier(content::DownloadManager* manager, | 62 AllDownloadItemNotifier(content::DownloadManager* manager, |
| 63 Observer* observer); | 63 Observer* observer); |
| 64 | 64 |
| 65 virtual ~HyperbolicDownloadItemNotifier(); | 65 virtual ~AllDownloadItemNotifier(); |
| 66 | 66 |
| 67 // Returns NULL if the manager has gone down. | 67 // Returns NULL if the manager has gone down. |
| 68 content::DownloadManager* GetManager() const { return manager_; } | 68 content::DownloadManager* GetManager() const { return manager_; } |
| 69 | 69 |
| 70 private: | 70 private: |
| 71 // content::DownloadManager::Observer | 71 // content::DownloadManager::Observer |
| 72 virtual void ManagerGoingDown(content::DownloadManager* manager) OVERRIDE; | 72 virtual void ManagerGoingDown(content::DownloadManager* manager) OVERRIDE; |
| 73 virtual void OnDownloadCreated(content::DownloadManager* manager, | 73 virtual void OnDownloadCreated(content::DownloadManager* manager, |
| 74 content::DownloadItem* item) OVERRIDE; | 74 content::DownloadItem* item) OVERRIDE; |
| 75 | 75 |
| 76 // content::DownloadItem::Observer | 76 // content::DownloadItem::Observer |
| 77 virtual void OnDownloadUpdated(content::DownloadItem* item) OVERRIDE; | 77 virtual void OnDownloadUpdated(content::DownloadItem* item) OVERRIDE; |
| 78 virtual void OnDownloadOpened(content::DownloadItem* item) OVERRIDE; | 78 virtual void OnDownloadOpened(content::DownloadItem* item) OVERRIDE; |
| 79 virtual void OnDownloadRemoved(content::DownloadItem* item) OVERRIDE; | 79 virtual void OnDownloadRemoved(content::DownloadItem* item) OVERRIDE; |
| 80 virtual void OnDownloadDestroyed(content::DownloadItem* item) OVERRIDE; | 80 virtual void OnDownloadDestroyed(content::DownloadItem* item) OVERRIDE; |
| 81 | 81 |
| 82 content::DownloadManager* manager_; | 82 content::DownloadManager* manager_; |
| 83 HyperbolicDownloadItemNotifier::Observer* observer_; | 83 AllDownloadItemNotifier::Observer* observer_; |
| 84 std::set<content::DownloadItem*> observing_; | 84 std::set<content::DownloadItem*> observing_; |
| 85 | 85 |
| 86 DISALLOW_COPY_AND_ASSIGN(HyperbolicDownloadItemNotifier); | 86 DISALLOW_COPY_AND_ASSIGN(AllDownloadItemNotifier); |
| 87 }; | 87 }; |
| 88 | 88 |
| 89 #endif // CHROME_BROWSER_DOWNLOAD_HYPERBOLIC_DOWNLOAD_ITEM_NOTIFIER_H_ | 89 #endif // CHROME_BROWSER_DOWNLOAD_ALL_DOWNLOAD_ITEM_NOTIFIER_H_ |
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