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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/all_download_item_notifier.h"
      6 
      7 AllDownloadItemNotifier::AllDownloadItemNotifier(
      8     content::DownloadManager* manager,
      9     AllDownloadItemNotifier::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 AllDownloadItemNotifier::~AllDownloadItemNotifier() {
     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 AllDownloadItemNotifier::ManagerGoingDown(
     36     content::DownloadManager* manager) {
     37   DCHECK_EQ(manager_, manager);
     38   manager_->RemoveObserver(this);
     39   manager_ = NULL;
     40 }
     41 
     42 void AllDownloadItemNotifier::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 AllDownloadItemNotifier::OnDownloadUpdated(
     51     content::DownloadItem* item) {
     52   observer_->OnDownloadUpdated(manager_, item);
     53 }
     54 
     55 void AllDownloadItemNotifier::OnDownloadOpened(
     56     content::DownloadItem* item) {
     57   observer_->OnDownloadOpened(manager_, item);
     58 }
     59 
     60 void AllDownloadItemNotifier::OnDownloadRemoved(
     61     content::DownloadItem* item) {
     62   observer_->OnDownloadRemoved(manager_, item);
     63 }
     64 
     65 void AllDownloadItemNotifier::OnDownloadDestroyed(
     66     content::DownloadItem* item) {
     67   item->RemoveObserver(this);
     68   observing_.erase(item);
     69 }
     70