ui/views/animation/ink_drop_animation_controller_impl.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_IMPL_H_
   6 #define UI_VIEWS_ANIMATION_INK_DROP_ANIMATION_CONTROLLER_IMPL_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/gfx/geometry/rect.h"
  10 #include "ui/gfx/geometry/size.h"
  11 #include "ui/views/animation/ink_drop_animation_controller.h"
  12 #include "ui/views/views_export.h"
  13
  14 namespace views {
  15 class InkDropAnimation;
  16 class InkDropHost;
  17
  18 // A functional implementation of an InkDropAnimationController.
  19 class VIEWS_EXPORT InkDropAnimationControllerImpl
  20     : public InkDropAnimationController {
  21  public:
  22   // Constructs an ink drop controller that will attach the ink drop to the
  23   // given |ink_drop_host|.
  24   explicit InkDropAnimationControllerImpl(InkDropHost* ink_drop_host);
  25   ~InkDropAnimationControllerImpl() override;
  26
  27   // InkDropAnimationController:
  28   InkDropState GetInkDropState() const override;
  29   void AnimateToState(InkDropState state) override;
  30   gfx::Size GetInkDropLargeSize() const override;
  31   void SetInkDropSize(const gfx::Size& large_size,
  32                       int large_corner_radius,
  33                       const gfx::Size& small_size,
  34                       int small_corner_radius) override;
  35   void SetInkDropCenter(const gfx::Point& center_point) override;
  36
  37  private:
  38   // Creates a new InkDropAnimation and sets it to |ink_drop_animation_|. If
  39   // |ink_drop_animation_| wasn't null then it will be removed from the
  40   // |ink_drop_host_|.
  41   void CreateInkDropAnimation();
  42
  43   // The host of the ink drop.
  44   InkDropHost* ink_drop_host_;
  45
  46   // Cached size for the ink drop's large size animations.
  47   gfx::Size ink_drop_large_size_;
  48
  49   // Cached corner radius for the ink drop's large size animations.
  50   int ink_drop_large_corner_radius_;
  51
  52   // Cached size for the ink drop's small size animations.
  53   gfx::Size ink_drop_small_size_;
  54
  55   // Cached corner radius for the ink drop's small size animations.
  56   int ink_drop_small_corner_radius_;
  57
  58   // Cached center point for the ink drop.
  59   gfx::Point ink_drop_center_;
  60
  61   // The current InkDropAnimation. Created on demand using
  62   // CreateInkDropAnimation().
  63   scoped_ptr<InkDropAnimation> ink_drop_animation_;
  64
  65   DISALLOW_COPY_AND_ASSIGN(InkDropAnimationControllerImpl);
  66 };
  67
  68 }  // namespace views
  69
  70 #endif  // UI_VIEWS_ANIMATION_INK_DROP_ANIMATION_CONTROLLER_IMPL_H_