Index: components/ui/zoom/zoom_event_manager.h |
diff --git a/components/ui/zoom/zoom_event_manager.h b/components/ui/zoom/zoom_event_manager.h |
deleted file mode 100644 |
index 0a819473c0842e551619e4880205c1b453d4786e..0000000000000000000000000000000000000000 |
--- a/components/ui/zoom/zoom_event_manager.h |
+++ /dev/null |
@@ -1,75 +0,0 @@ |
-// Copyright 2014 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 COMPONENTS_UI_ZOOM_ZOOM_EVENT_MANAGER_H_ |
-#define COMPONENTS_UI_ZOOM_ZOOM_EVENT_MANAGER_H_ |
- |
-#include <memory> |
- |
-#include "base/callback_list.h" |
-#include "base/macros.h" |
-#include "base/memory/weak_ptr.h" |
-#include "base/observer_list.h" |
-#include "base/supports_user_data.h" |
-#include "content/public/browser/host_zoom_map.h" |
- |
-namespace content { |
-class BrowserContext; |
-} // namespace content |
- |
-namespace ui_zoom { |
- |
-class ZoomEventManagerObserver; |
- |
-// This class serves as a target for event notifications from all ZoomController |
-// objects. Classes that need to know about browser-specific zoom events (e.g. |
-// manual-mode zoom) should subscribe here. |
-class ZoomEventManager : public base::SupportsUserData::Data { |
- public: |
- ZoomEventManager(); |
- ~ZoomEventManager() override; |
- |
- // Returns the ZoomEventManager for the specified BrowserContext. This |
- // function creates the ZoomEventManager if it hasn't been created already. |
- static ZoomEventManager* GetForBrowserContext( |
- content::BrowserContext* context); |
- |
- // Called by ZoomControllers when changes are made to zoom levels in manual |
- // mode in order that browser listeners can be notified. |
- void OnZoomLevelChanged(const content::HostZoomMap::ZoomLevelChange& change); |
- |
- // Add and remove zoom level changed callbacks. |
- // TODO(wjmaclean): Convert this callback mechanism to use |
- // ZoomEventManagerObserver instead. |
- std::unique_ptr<content::HostZoomMap::Subscription> |
- AddZoomLevelChangedCallback( |
- const content::HostZoomMap::ZoomLevelChangedCallback& callback); |
- |
- // Called by ZoomLevelDelegates when changes are made to the default zoom |
- // level for their associated HostZoomMap. |
- void OnDefaultZoomLevelChanged(); |
- |
- // Add and remove observers. |
- void AddZoomEventManagerObserver(ZoomEventManagerObserver* observer); |
- void RemoveZoomEventManagerObserver(ZoomEventManagerObserver* observer); |
- |
- // Get a weak ptr to be used by clients who may themselves be UserData for |
- // the context, since the order of destruction is undefined between the client |
- // and this class. |
- base::WeakPtr<ZoomEventManager> GetWeakPtr() { |
- return weak_ptr_factory_.GetWeakPtr(); |
- } |
- |
- private: |
- base::CallbackList<void(const content::HostZoomMap::ZoomLevelChange&)> |
- zoom_level_changed_callbacks_; |
- base::ObserverList<ZoomEventManagerObserver> observers_; |
- base::WeakPtrFactory<ZoomEventManager> weak_ptr_factory_; |
- |
- DISALLOW_COPY_AND_ASSIGN(ZoomEventManager); |
-}; |
- |
-} // namespace ui_zoom |
- |
-#endif // COMPONENTS_UI_ZOOM_ZOOM_EVENT_MANAGER_H_ |