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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/download/hyperbolic_download_item_notifier.h" | |
| 6 | |
| 7 HyperbolicDownloadItemNotifier::HyperbolicDownloadItemNotifier( | |
| 8 content::DownloadManager* manager, | |
| 9 HyperbolicDownloadItemNotifier::Observer* observer) | |
| 10 : manager_(manager), | |
| 11 observer_(observer) { | |
| 12 DCHECK(observer_); | |
| 13 manager_->AddObserver(this); | |
| 14 content::DownloadManager::DownloadVector items; | |
| 15 manager_->GetAllDownloads(&items); | |
| 16 for (content::DownloadManager::DownloadVector::const_iterator it = | |
| 17 items.begin(); | |
| 18 it != items.end(); ++it) { | |
| 19 (*it)->AddObserver(this); | |
| 20 observing_.insert(*it); | |
| 21 } | |
| 22 } | |
| 23 | |
| 24 HyperbolicDownloadItemNotifier::~HyperbolicDownloadItemNotifier() { | |
| 25 if (manager_) | |
| 26 manager_->RemoveObserver(this); | |
| 27 for (std::set<content::DownloadItem*>::const_iterator it = | |
| 28 observing_.begin(); | |
| 29 it != observing_.end(); ++it) { | |
| 30 (*it)->RemoveObserver(this); | |
| 31 } | |
| 32 observing_.clear(); | |
| 33 } | |
| 34 | |
| 35 void HyperbolicDownloadItemNotifier::ManagerGoingDown( | |
| 36 content::DownloadManager* manager) { | |
| 37 DCHECK_EQ(manager_, manager); | |
| 38 manager_->RemoveObserver(this); | |
| 39 manager_ = NULL; | |
| 40 } | |
| 41 | |
| 42 void HyperbolicDownloadItemNotifier::OnDownloadCreated( | |
| 43 content::DownloadManager* manager, | |
| 44 content::DownloadItem* item) { | |
| 45 item->AddObserver(this); | |
| 46 observing_.insert(item); | |
| 47 observer_->OnDownloadCreated(manager, item); | |
| 48 } | |
| 49 | |
| 50 void HyperbolicDownloadItemNotifier::OnDownloadUpdated( | |
| 51 content::DownloadItem* item) { | |
| 52 observer_->OnDownloadUpdated(manager_, item); | |
| 53 } | |
| 54 | |
| 55 void HyperbolicDownloadItemNotifier::OnDownloadOpened( | |
| 56 content::DownloadItem* item) { | |
| 57 observer_->OnDownloadOpened(manager_, item); | |
| 58 } | |
| 59 | |
| 60 void HyperbolicDownloadItemNotifier::OnDownloadRemoved( | |
| 61 content::DownloadItem* item) { | |
| 62 observer_->OnDownloadRemoved(manager_, item); | |
| 63 } | |
| 64 | |
| 65 void HyperbolicDownloadItemNotifier::OnDownloadDestroyed( | |
| 66 content::DownloadItem* item) { | |
| 67 item->RemoveObserver(this); | |
| 68 observing_.erase(item); | |
| 69 } | |
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