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      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 #ifndef UI_VIEWS_WIDGET_TOOLTIP_MANAGER_AURA_H_
      6 #define UI_VIEWS_WIDGET_TOOLTIP_MANAGER_AURA_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "base/strings/string16.h"
     10 #include "ui/gfx/point.h"
     11 #include "ui/views/widget/tooltip_manager.h"
     12 
     13 namespace aura {
     14 class Window;
     15 }
     16 
     17 namespace gfx {
     18 class FontList;
     19 }
     20 
     21 namespace views {
     22 
     23 class Widget;
     24 
     25 // TooltipManager implementation for Aura.
     26 class TooltipManagerAura : public TooltipManager {
     27  public:
     28   explicit TooltipManagerAura(Widget* widget);
     29   virtual ~TooltipManagerAura();
     30 
     31   // If |source| has capture this finds the Widget under the mouse and invokes
     32   // UpdateTooltip() on it's TooltipManager. This is necessary as when capture
     33   // is held mouse events are only delivered to the Window that has capture even
     34   // though we may show tooltips for the Window under the mouse.
     35   static void UpdateTooltipManagerForCapture(Widget* source);
     36 
     37   // Returns the FontList used by all TooltipManagerAuras.
     38   static const gfx::FontList& GetDefaultFontList();
     39 
     40   // TooltipManager:
     41   virtual const gfx::FontList& GetFontList() const OVERRIDE;
     42   virtual void UpdateTooltip() OVERRIDE;
     43   virtual void TooltipTextChanged(View* view) OVERRIDE;
     44 
     45  private:
     46   View* GetViewUnderPoint(const gfx::Point& point);
     47   void UpdateTooltipForTarget(View* target,
     48                               const gfx::Point& point,
     49                               aura::Window* root_window);
     50 
     51   // Returns the Window the tooltip text is installed on.
     52   aura::Window* GetWindow();
     53 
     54   Widget* widget_;
     55   string16 tooltip_text_;
     56 
     57   DISALLOW_COPY_AND_ASSIGN(TooltipManagerAura);
     58 };
     59 
     60 }  // namespace views
     61 
     62 #endif  // UI_VIEWS_WIDGET_TOOLTIP_MANAGER_AURA_H_
     63