Touch HUD app for mustash

ui/views/controls/touch/touch_hud_drawer.h

 // Copyright 2016 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_CONTROLS_TOUCH_TOUCH_HUD_DRAWER_H_
+#define UI_VIEWS_CONTROLS_TOUCH_TOUCH_HUD_DRAWER_H_
+
+#include <map>
+
 #include "base/macros.h"
-#include "ui/views/animation/ink_drop.h"
 #include "ui/views/views_export.h"
 
+namespace ash {
+class TouchHudProjectionTest;
+}
+
+namespace ui {
+class LocatedEvent;
+}
+
 namespace views {
+class TouchPointView;
+class Widget;
 
-// A stub implementation of an InkDrop that can be used when no visuals should
-// be shown. e.g. material design is enabled.
-class VIEWS_EXPORT InkDropStub : public InkDrop {
+class VIEWS_EXPORT TouchHudDrawer {
  public:
-  InkDropStub();
-  ~InkDropStub() override;
+   TouchHudDrawer();
+   ~TouchHudDrawer();
 
-  // InkDrop:
-  InkDropState GetTargetInkDropState() const override;
-  void AnimateToState(InkDropState state) override;
-  void SnapToActivated() override;
-  void SetHovered(bool is_hovered) override;
-  void SetFocused(bool is_hovered) override;
+  // Called to clear touch points and traces from the screen.
+  void Clear();
+
+  void HandleTouchEvent(const ui::LocatedEvent* event, Widget* parent_widget);
 
  private:
-  DISALLOW_COPY_AND_ASSIGN(InkDropStub);
+  friend class ash::TouchHudProjectionTest;
+
+  std::map<int, TouchPointView*> points_;
+
+  DISALLOW_COPY_AND_ASSIGN(TouchHudDrawer);
 };
 
 }  // namespace views
+
+#endif  // UI_VIEWS_CONTROLS_TOUCH_TOUCH_HUD_DRAWER_H_