ui/base/animation -> ui/gfx/animation

ui/base/animation/slide_animation.h

-// Copyright (c) 2012 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_BASE_ANIMATION_SLIDE_ANIMATION_H_
-#define UI_BASE_ANIMATION_SLIDE_ANIMATION_H_
-
-#include "ui/base/animation/linear_animation.h"
-#include "ui/base/animation/tween.h"
-
-namespace ui {
-
-// Slide Animation
-//
-// Used for reversible animations and as a general helper class. Typical usage:
-//
-// #include "ui/base/animation/slide_animation.h"
-//
-// class MyClass : public AnimationDelegate {
-//  public:
-//   MyClass() {
-//     animation_.reset(new SlideAnimation(this));
-//     animation_->SetSlideDuration(500);
-//   }
-//   void OnMouseOver() {
-//     animation_->Show();
-//   }
-//   void OnMouseOut() {
-//     animation_->Hide();
-//   }
-//   void AnimationProgressed(const Animation* animation) {
-//     if (animation == animation_.get()) {
-//       Layout();
-//       SchedulePaint();
-//     } else if (animation == other_animation_.get()) {
-//       ...
-//     }
-//   }
-//   void Layout() {
-//     if (animation_->is_animating()) {
-//       hover_image_.SetOpacity(animation_->GetCurrentValue());
-//     }
-//   }
-//  private:
-//   scoped_ptr<SlideAnimation> animation_;
-// }
-class UI_EXPORT SlideAnimation : public LinearAnimation {
- public:
-  explicit SlideAnimation(AnimationDelegate* target);
-  virtual ~SlideAnimation();
-
-  // Set the animation back to the 0 state.
-  virtual void Reset();
-  virtual void Reset(double value);
-
-  // Begin a showing animation or reverse a hiding animation in progress.
-  virtual void Show();
-
-  // Begin a hiding animation or reverse a showing animation in progress.
-  virtual void Hide();
-
-  // Sets the time a slide will take. Note that this isn't actually
-  // the amount of time an animation will take as the current value of
-  // the slide is considered.
-  virtual void SetSlideDuration(int duration);
-  int GetSlideDuration() const { return slide_duration_; }
-  void SetTweenType(Tween::Type tween_type) { tween_type_ = tween_type; }
-
-  virtual double GetCurrentValue() const OVERRIDE;
-  bool IsShowing() const { return showing_; }
-  bool IsClosing() const { return !showing_ && value_end_ < value_current_; }
-
-  class TestApi;
-
- private:
-  // Overridden from Animation.
-  virtual void AnimateToState(double state) OVERRIDE;
-
-  AnimationDelegate* target_;
-
-  Tween::Type tween_type_;
-
-  // Used to determine which way the animation is going.
-  bool showing_;
-
-  // Animation values. These are a layer on top of Animation::state_ to
-  // provide the reversability.
-  double value_start_;
-  double value_end_;
-  double value_current_;
-
-  // How long a hover in/out animation will last for. This defaults to
-  // kHoverFadeDurationMS, but can be overridden with SetDuration.
-  int slide_duration_;
-
-  DISALLOW_COPY_AND_ASSIGN(SlideAnimation);
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_ANIMATION_SLIDE_ANIMATION_H_