Rename HyperbolicDownloadItemNotifer -> AllDownloadItemNotifier

chrome/browser/download/hyperbolic_download_item_notifier.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_DOWNLOAD_HYPERBOLIC_DOWNLOAD_ITEM_NOTIFIER_H_
-#define CHROME_BROWSER_DOWNLOAD_HYPERBOLIC_DOWNLOAD_ITEM_NOTIFIER_H_
-
-#include <set>
-
-#include "content/public/browser/download_manager.h"
-#include "content/public/browser/download_item.h"
-
-// HyperbolicDownloadItemNotifier observes ALL the DownloadItems on a given
-// DownloadManager.
-// Clients should use GetManager() instead of storing their own pointer to the
-// manager so that they can be sensitive to managers that have gone down.
-
-// Example Usage:
-// class AndAHalf : public HyperbolicDownloadItemNotifier::Observer {
-//  public:
-//   AndAHalf(content::DownloadManager* original_manager,
-//            content::DownloadManager* incognito_manager)
-//     : ALLOW_THIS_IN_INITIALIZATION_LIST(original_hyperbole_(
-//           original_manager, this)),
-//       ALLOW_THIS_IN_INITIALIZATION_LIST(incognito_hyperbole_(
-//           incognito_manager, this)) {
-//   }
-//
-//   virtual void OnDownloadUpdated(
-//     content::DownloadManager* manager, content::DownloadItem* item) { ... }
-//
-//  private:
-//   HyperbolicDownloadItemNotifier original_hyperbole_;
-//   HyperbolicDownloadItemNotifier incognito_hyperbole_;
-// };
-
-class HyperbolicDownloadItemNotifier
-  : public content::DownloadManager::Observer,
-    public content::DownloadItem::Observer {
- public:
-  // All of the methods take the DownloadManager so that subclasses can observe
-  // multiple managers at once and easily distinguish which manager a given item
-  // belongs to.
-  class Observer {
-   public:
-    Observer() {}
-    virtual ~Observer() {}
-
-    virtual void OnDownloadCreated(
-        content::DownloadManager* manager, content::DownloadItem* item) {}
-    virtual void OnDownloadUpdated(
-        content::DownloadManager* manager, content::DownloadItem* item) {}
-    virtual void OnDownloadOpened(
-        content::DownloadManager* manager, content::DownloadItem* item) {}
-    virtual void OnDownloadRemoved(
-        content::DownloadManager* manager, content::DownloadItem* item) {}
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(Observer);
-  };
-
-  HyperbolicDownloadItemNotifier(content::DownloadManager* manager,
-                                 Observer* observer);
-
-  virtual ~HyperbolicDownloadItemNotifier();
-
-  // Returns NULL if the manager has gone down.
-  content::DownloadManager* GetManager() const { return manager_; }
-
- private:
-  // content::DownloadManager::Observer
-  virtual void ManagerGoingDown(content::DownloadManager* manager) OVERRIDE;
-  virtual void OnDownloadCreated(content::DownloadManager* manager,
-                                content::DownloadItem* item) OVERRIDE;
-
-  // content::DownloadItem::Observer
-  virtual void OnDownloadUpdated(content::DownloadItem* item) OVERRIDE;
-  virtual void OnDownloadOpened(content::DownloadItem* item) OVERRIDE;
-  virtual void OnDownloadRemoved(content::DownloadItem* item) OVERRIDE;
-  virtual void OnDownloadDestroyed(content::DownloadItem* item) OVERRIDE;
-
-  content::DownloadManager* manager_;
-  HyperbolicDownloadItemNotifier::Observer* observer_;
-  std::set<content::DownloadItem*> observing_;
-
-  DISALLOW_COPY_AND_ASSIGN(HyperbolicDownloadItemNotifier);
-};
-
-#endif  // CHROME_BROWSER_DOWNLOAD_HYPERBOLIC_DOWNLOAD_ITEM_NOTIFIER_H_