views: Move some random files from views/ to ui/views/.

views/mouse_watcher.h

-// Copyright (c) 2011 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 VIEWS_MOUSE_WATCHER_H_
-#define VIEWS_MOUSE_WATCHER_H_
-#pragma once
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/gfx/insets.h"
-#include "views/views_export.h"
-
-namespace views {
-
-class View;
-
-// MouseWatcherListener is notified when the mouse moves outside the view.
-class VIEWS_EXPORT MouseWatcherListener {
- public:
-  virtual void MouseMovedOutOfView() = 0;
-
- protected:
-  virtual ~MouseWatcherListener();
-};
-
-// MouseWatcher is used to watch mouse movement and notify its listener when the
-// mouse moves outside the bounds of a view.
-class VIEWS_EXPORT MouseWatcher {
- public:
-  // Creates a new MouseWatcher. |hot_zone_insets| is added to the bounds of
-  // the view to determine the active zone. For example, if
-  // |hot_zone_insets.bottom()| is 10, then the listener is not notified if
-  // the y coordinate is between the origin of the view and height of the view
-  // plus 10.
-  MouseWatcher(views::View* host,
-               MouseWatcherListener* listener,
-               const gfx::Insets& hot_zone_insets);
-  ~MouseWatcher();
-
-  // Sets the amount to delay before notifying the listener when the mouse exits
-  // the view by way of going to another window.
-  void set_notify_on_exit_time_ms(int time) { notify_on_exit_time_ms_ = time; }
-
-  // Starts watching mouse movements. When the mouse moves outside the bounds of
-  // the view the listener is notified. |Start| may be invoked any number of
-  // times. If the mouse moves outside the bounds of the view the listener is
-  // notified and watcher stops watching events.
-  void Start();
-
-  // Stops watching mouse events.
-  void Stop();
-
- private:
-  class Observer;
-
-  // Are we currently observing events?
-  bool is_observing() const { return observer_.get() != NULL; }
-
-  // Notifies the listener and stops watching events.
-  void NotifyListener();
-
-  // View we're listening for events over.
-  View* host_;
-
-  // Our listener.
-  MouseWatcherListener* listener_;
-
-  // Insets added to the bounds of the view.
-  const gfx::Insets hot_zone_insets_;
-
-  // Does the actual work of listening for mouse events.
-  scoped_ptr<Observer> observer_;
-
-  // See description above setter.
-  int notify_on_exit_time_ms_;
-
-  DISALLOW_COPY_AND_ASSIGN(MouseWatcher);
-};
-
-}  // namespace views
-
-#endif  // VIEWS_MOUSE_WATCHER_H_