It is time.

ui/views/corewm/tooltip_controller.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 UI_VIEWS_COREWM_TOOLTIP_CONTROLLER_H_
-#define UI_VIEWS_COREWM_TOOLTIP_CONTROLLER_H_
-
-#include <map>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string16.h"
-#include "base/timer/timer.h"
-#include "ui/aura/window_observer.h"
-#include "ui/events/event_handler.h"
-#include "ui/gfx/point.h"
-#include "ui/views/views_export.h"
-#include "ui/wm/public/tooltip_client.h"
-
-namespace aura {
-class Window;
-}
-
-namespace views {
-namespace corewm {
-
-class Tooltip;
-
-namespace test {
-class TooltipControllerTestHelper;
-}  // namespace test
-
-// TooltipController provides tooltip functionality for aura.
-class VIEWS_EXPORT TooltipController : public aura::client::TooltipClient,
-                                       public ui::EventHandler,
-                                       public aura::WindowObserver {
- public:
-  explicit TooltipController(scoped_ptr<Tooltip> tooltip);
-  virtual ~TooltipController();
-
-  // Overridden from aura::client::TooltipClient.
-  virtual void UpdateTooltip(aura::Window* target) override;
-  virtual void SetTooltipShownTimeout(aura::Window* target,
-                                      int timeout_in_ms) override;
-  virtual void SetTooltipsEnabled(bool enable) override;
-
-  // Overridden from ui::EventHandler.
-  virtual void OnKeyEvent(ui::KeyEvent* event) override;
-  virtual void OnMouseEvent(ui::MouseEvent* event) override;
-  virtual void OnTouchEvent(ui::TouchEvent* event) override;
-  virtual void OnCancelMode(ui::CancelModeEvent* event) override;
-
-  // Overridden from aura::WindowObserver.
-  virtual void OnWindowDestroyed(aura::Window* window) override;
-
-  const gfx::Point& mouse_location() const { return curr_mouse_loc_; }
-
- private:
-  friend class test::TooltipControllerTestHelper;
-
-  void TooltipTimerFired();
-  void TooltipShownTimerFired();
-
-  // Updates the tooltip if required (if there is any change in the tooltip
-  // text, tooltip id or the aura::Window).
-  void UpdateIfRequired();
-
-  // Only used in tests.
-  bool IsTooltipVisible();
-
-  bool IsDragDropInProgress();
-
-  // Returns true if the cursor is visible.
-  bool IsCursorVisible();
-
-  int GetTooltipShownTimeout();
-
-  // Sets tooltip window to |target| if it is different from existing window.
-  // Calls RemoveObserver on the existing window if it is not NULL.
-  // Calls AddObserver on the new window if it is not NULL.
-  void SetTooltipWindow(aura::Window* target);
-
-  aura::Window* tooltip_window_;
-  base::string16 tooltip_text_;
-  const void* tooltip_id_;
-
-  // These fields are for tracking state when the user presses a mouse button.
-  aura::Window* tooltip_window_at_mouse_press_;
-  base::string16 tooltip_text_at_mouse_press_;
-
-  scoped_ptr<Tooltip> tooltip_;
-
-  base::RepeatingTimer<TooltipController> tooltip_timer_;
-
-  // Timer to timeout the life of an on-screen tooltip. We hide the tooltip when
-  // this timer fires.
-  base::OneShotTimer<TooltipController> tooltip_shown_timer_;
-
-  // Location of the last event in |tooltip_window_|'s coordinates.
-  gfx::Point curr_mouse_loc_;
-
-  bool tooltips_enabled_;
-
-  std::map<aura::Window*, int> tooltip_shown_timeout_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(TooltipController);
-};
-
-}  // namespace corewm
-}  // namespace views
-
-#endif  // UI_VIEWS_COREWM_TOOLTIP_CONTROLLER_H_