ui/views/corewm/tooltip.h

   1 // Copyright 2013 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_VIEWS_COREWM_TOOLTIP_H_
   6 #define UI_VIEWS_COREWM_TOOLTIP_H_
   7
   8 #include "base/strings/string16.h"
   9 #include "ui/views/views_export.h"
  10
  11 namespace aura {
  12 class Window;
  13 }
  14
  15 namespace gfx {
  16 class Point;
  17 }
  18
  19 namespace views {
  20 namespace corewm {
  21
  22 // Tooltip is responsible for showing the tooltip in an appropriate manner.
  23 // Tooltip is used by TooltipController.
  24 class VIEWS_EXPORT Tooltip {
  25  public:
  26   virtual ~Tooltip() {}
  27
  28   // Returns the max width of the tooltip when shown at the specified location.
  29   virtual int GetMaxWidth(const gfx::Point& location,
  30                           aura::Window* context) const = 0;
  31
  32   // Updates the text on the tooltip and resizes to fit.
  33   virtual void SetText(aura::Window* window,
  34                        const base::string16& tooltip_text,
  35                        const gfx::Point& location) = 0;
  36
  37   // Shows the tooltip at the specified location (in screen coordinates).
  38   virtual void Show() = 0;
  39
  40   // Hides the tooltip.
  41   virtual void Hide() = 0;
  42
  43   // Is the tooltip visibile?
  44   virtual bool IsVisible() = 0;
  45 };
  46
  47 }  // namespace corewm
  48 }  // namespace views
  49
  50 #endif  // UI_VIEWS_COREWM_TOOLTIP_H_