1 // Copyright (c) 2011 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/ui/panels/panel_mouse_watcher.h" 6 7 #include "chrome/browser/ui/panels/panel_mouse_watcher_observer.h" 8 #include "ui/gfx/point.h" 9 10 PanelMouseWatcher::PanelMouseWatcher() { 11 } 12 13 PanelMouseWatcher::~PanelMouseWatcher() { 14 } 15 16 void PanelMouseWatcher::AddObserver(PanelMouseWatcherObserver* observer) { 17 observers_.AddObserver(observer); 18 if (observers_.size() == 1) 19 Start(); 20 } 21 22 void PanelMouseWatcher::RemoveObserver(PanelMouseWatcherObserver* observer) { 23 DCHECK(observers_.HasObserver(observer)); 24 observers_.RemoveObserver(observer); 25 if (observers_.size() == 0) 26 Stop(); 27 } 28 29 void PanelMouseWatcher::NotifyMouseMovement(const gfx::Point& mouse_position) { 30 FOR_EACH_OBSERVER(PanelMouseWatcherObserver, observers_, 31 OnMouseMove(mouse_position)); 32 } 33
