ui/views/animation/ink_drop_animation_controller.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_VIEWS_ANIMATION_INK_DROP_ANIMATION_CONTROLLER_H_
   6 #define UI_VIEWS_ANIMATION_INK_DROP_ANIMATION_CONTROLLER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/time/time.h"
  10 #include "ui/compositor/layer_tree_owner.h"
  11 #include "ui/events/event_handler.h"
  12 #include "ui/gfx/geometry/rect.h"
  13 #include "ui/gfx/geometry/size.h"
  14 #include "ui/views/animation/ink_drop_state.h"
  15 #include "ui/views/views_export.h"
  16
  17 namespace ui {
  18 class Layer;
  19 }
  20
  21 namespace views {
  22
  23 // Pure virtual base class that manages an ink drop animation's lifetime and
  24 // state.
  25 class VIEWS_EXPORT InkDropAnimationController {
  26  public:
  27   virtual ~InkDropAnimationController() {}
  28
  29   // Gets the current state of the ink drop.
  30   virtual InkDropState GetInkDropState() const = 0;
  31
  32   // Animates from the current InkDropState to |state|.
  33   virtual void AnimateToState(InkDropState state) = 0;
  34
  35   virtual gfx::Size GetInkDropLargeSize() const = 0;
  36
  37   // Sets the different sizes of the ink drop.
  38   virtual void SetInkDropSize(const gfx::Size& large_size,
  39                               int large_corner_radius,
  40                               const gfx::Size& small_size,
  41                               int small_corner_radius) = 0;
  42
  43   // Sets the |center_point| of the ink drop relative to its parent Layer.
  44   virtual void SetInkDropCenter(const gfx::Point& center_point) = 0;
  45
  46  protected:
  47   InkDropAnimationController() {}
  48
  49  private:
  50   DISALLOW_COPY_AND_ASSIGN(InkDropAnimationController);
  51 };
  52
  53 }  // namespace views
  54
  55 #endif  // UI_VIEWS_ANIMATION_INK_DROP_ANIMATION_CONTROLLER_H_