ui/wm/public/scoped_tooltip_disabler.h

   1 // Copyright 2014 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 #ifndef UI_WM_PUBLIC_SCOPED_TOOLTIP_DISABLER_H_
   6 #define UI_WM_PUBLIC_SCOPED_TOOLTIP_DISABLER_H_
   7
   8 #include "ui/aura/window_observer.h"
   9
  10 namespace aura {
  11 namespace client {
  12
  13 // Use to temporarily disable tooltips.
  14 class AURA_EXPORT ScopedTooltipDisabler : aura::WindowObserver {
  15  public:
  16   // Disables tooltips on |window| (does nothing if |window| is NULL). Tooltips
  17   // are reenabled from the destructor when there are no most outstanding
  18   // ScopedTooltipDisablers for |window|.
  19   explicit ScopedTooltipDisabler(aura::Window* window);
  20   ~ScopedTooltipDisabler() override;
  21
  22  private:
  23   // Reenables the tooltips on the TooltipClient.
  24   void EnableTooltips();
  25
  26   // aura::WindowObserver:
  27   void OnWindowDestroying(aura::Window* window) override;
  28
  29   // The RootWindow to disable Tooltips on; NULL if the Window passed to the
  30   // constructor was not in a root or the root has been destroyed.
  31   aura::Window* root_;
  32
  33   DISALLOW_COPY_AND_ASSIGN(ScopedTooltipDisabler);
  34 };
  35
  36 }  // namespace client
  37 }  // namespace aura
  38
  39 #endif  // UI_WM_PUBLIC_SCOPED_TOOLTIP_DISABLER_H_