ui/touch_selection/touch_handle_drawable_aura.h

   1 // Copyright 2015 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_TOUCH_SELECTION_TOUCH_HANDLE_DRAWABLE_AURA_H_
   6 #define UI_TOUCH_SELECTION_TOUCH_HANDLE_DRAWABLE_AURA_H_
   7
   8 #include "ui/touch_selection/touch_handle.h"
   9 #include "ui/touch_selection/touch_handle_orientation.h"
  10 #include "ui/touch_selection/ui_touch_selection_export.h"
  11
  12 namespace aura {
  13 class Window;
  14 }
  15
  16 namespace aura_extra {
  17 class ImageWindowDelegate;
  18 }
  19
  20 namespace ui {
  21
  22 class UI_TOUCH_SELECTION_EXPORT TouchHandleDrawableAura
  23     : public TouchHandleDrawable {
  24  public:
  25   explicit TouchHandleDrawableAura(aura::Window* parent);
  26   ~TouchHandleDrawableAura() override;
  27
  28  private:
  29   void UpdateBounds();
  30
  31   bool IsVisible() const;
  32
  33   // TouchHandleDrawable:
  34   void SetEnabled(bool enabled) override;
  35   void SetOrientation(TouchHandleOrientation orientation) override;
  36   void SetAlpha(float alpha) override;
  37   void SetFocus(const gfx::PointF& position) override;
  38   gfx::RectF GetVisibleBounds() const override;
  39
  40   aura_extra::ImageWindowDelegate* window_delegate_;
  41   scoped_ptr<aura::Window> window_;
  42   bool enabled_;
  43   float alpha_;
  44   ui::TouchHandleOrientation orientation_;
  45
  46   // Focal position of the handle set via SetFocus (normally located on the
  47   // intersection of the cursor line and the text base line), in coordinate
  48   // space of selection controller client (i.e. handle's parent).
  49   gfx::PointF focal_position_;
  50
  51   // Window bounds relative to the focal position.
  52   gfx::RectF relative_bounds_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(TouchHandleDrawableAura);
  55 };
  56
  57 }  // namespace ui
  58
  59 #endif  // UI_TOUCH_SELECTION_TOUCH_HANDLE_DRAWABLE_AURA_H_