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meelstorm
363
framework/MaterialSkin.Core/Animations/AnimationManager.cs
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363
framework/MaterialSkin.Core/Animations/AnimationManager.cs
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows.Forms;
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namespace MaterialSkin.Animations
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{
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class AnimationManager
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{
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public bool InterruptAnimation { get; set; }
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public double Increment { get; set; }
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public double SecondaryIncrement { get; set; }
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public AnimationType AnimationType { get; set; }
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public bool Singular { get; set; }
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public delegate void AnimationFinished(object sender);
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public event AnimationFinished OnAnimationFinished;
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public delegate void AnimationProgress(object sender);
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public event AnimationProgress OnAnimationProgress;
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private readonly List<double> _animationProgresses;
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private readonly List<Point> _animationSources;
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private readonly List<AnimationDirection> _animationDirections;
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private readonly List<object[]> _animationDatas;
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private const double MIN_VALUE = 0.00;
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private const double MAX_VALUE = 1.00;
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private readonly Timer _animationTimer = new Timer { Interval = 5, Enabled = false };
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="singular">If true, only one animation is supported. The current animation will be replaced with the new one. If false, a new animation is added to the list.</param>
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public AnimationManager(bool singular = true)
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{
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_animationProgresses = new List<double>();
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_animationSources = new List<Point>();
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_animationDirections = new List<AnimationDirection>();
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_animationDatas = new List<object[]>();
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Increment = 0.03;
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SecondaryIncrement = 0.03;
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AnimationType = AnimationType.Linear;
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InterruptAnimation = true;
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Singular = singular;
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if (Singular)
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{
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_animationProgresses.Add(0);
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_animationSources.Add(new Point(0, 0));
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_animationDirections.Add(AnimationDirection.In);
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}
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_animationTimer.Tick += AnimationTimerOnTick;
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}
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private void AnimationTimerOnTick(object sender, EventArgs eventArgs)
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{
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for (var i = 0; i < _animationProgresses.Count; i++)
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{
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UpdateProgress(i);
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if (!Singular)
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{
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if ((_animationDirections[i] == AnimationDirection.InOutIn && _animationProgresses[i] == MAX_VALUE))
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{
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_animationDirections[i] = AnimationDirection.InOutOut;
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}
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else if ((_animationDirections[i] == AnimationDirection.InOutRepeatingIn && _animationProgresses[i] == MIN_VALUE))
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{
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_animationDirections[i] = AnimationDirection.InOutRepeatingOut;
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}
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else if ((_animationDirections[i] == AnimationDirection.InOutRepeatingOut && _animationProgresses[i] == MIN_VALUE))
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{
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_animationDirections[i] = AnimationDirection.InOutRepeatingIn;
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}
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else if (
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(_animationDirections[i] == AnimationDirection.In && _animationProgresses[i] == MAX_VALUE) ||
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(_animationDirections[i] == AnimationDirection.Out && _animationProgresses[i] == MIN_VALUE) ||
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(_animationDirections[i] == AnimationDirection.InOutOut && _animationProgresses[i] == MIN_VALUE))
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{
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_animationProgresses.RemoveAt(i);
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_animationSources.RemoveAt(i);
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_animationDirections.RemoveAt(i);
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_animationDatas.RemoveAt(i);
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}
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}
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else
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{
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if ((_animationDirections[i] == AnimationDirection.InOutIn && _animationProgresses[i] == MAX_VALUE))
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{
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_animationDirections[i] = AnimationDirection.InOutOut;
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}
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else if ((_animationDirections[i] == AnimationDirection.InOutRepeatingIn && _animationProgresses[i] == MAX_VALUE))
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{
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_animationDirections[i] = AnimationDirection.InOutRepeatingOut;
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}
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else if ((_animationDirections[i] == AnimationDirection.InOutRepeatingOut && _animationProgresses[i] == MIN_VALUE))
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{
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_animationDirections[i] = AnimationDirection.InOutRepeatingIn;
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}
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}
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}
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OnAnimationProgress?.Invoke(this);
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}
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public bool IsAnimating()
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{
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return _animationTimer.Enabled;
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}
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public void StartNewAnimation(AnimationDirection animationDirection, object[] data = null)
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{
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StartNewAnimation(animationDirection, new Point(0, 0), data);
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}
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public void StartNewAnimation(AnimationDirection animationDirection, Point animationSource, object[] data = null)
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{
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if (!IsAnimating() || InterruptAnimation)
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{
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if (Singular && _animationDirections.Count > 0)
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{
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_animationDirections[0] = animationDirection;
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}
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else
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{
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_animationDirections.Add(animationDirection);
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}
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if (Singular && _animationSources.Count > 0)
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{
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_animationSources[0] = animationSource;
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}
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else
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{
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_animationSources.Add(animationSource);
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}
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if (!(Singular && _animationProgresses.Count > 0))
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{
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switch (_animationDirections[_animationDirections.Count - 1])
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{
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case AnimationDirection.InOutRepeatingIn:
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case AnimationDirection.InOutIn:
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case AnimationDirection.In:
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_animationProgresses.Add(MIN_VALUE);
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break;
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case AnimationDirection.InOutRepeatingOut:
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case AnimationDirection.InOutOut:
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case AnimationDirection.Out:
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_animationProgresses.Add(MAX_VALUE);
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break;
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default:
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throw new Exception("Invalid AnimationDirection");
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}
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}
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if (Singular && _animationDatas.Count > 0)
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{
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_animationDatas[0] = data ?? new object[] { };
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}
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else
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{
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_animationDatas.Add(data ?? new object[] { });
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}
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}
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_animationTimer.Start();
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}
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public void UpdateProgress(int index)
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{
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switch (_animationDirections[index])
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{
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case AnimationDirection.InOutRepeatingIn:
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case AnimationDirection.InOutIn:
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case AnimationDirection.In:
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IncrementProgress(index);
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break;
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case AnimationDirection.InOutRepeatingOut:
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case AnimationDirection.InOutOut:
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case AnimationDirection.Out:
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DecrementProgress(index);
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break;
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default:
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throw new Exception("No AnimationDirection has been set");
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}
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}
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private void IncrementProgress(int index)
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{
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_animationProgresses[index] += Increment;
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if (_animationProgresses[index] > MAX_VALUE)
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{
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_animationProgresses[index] = MAX_VALUE;
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for (int i = 0; i < GetAnimationCount(); i++)
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{
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if (_animationDirections[i] == AnimationDirection.InOutIn) return;
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if (_animationDirections[i] == AnimationDirection.InOutRepeatingIn) return;
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if (_animationDirections[i] == AnimationDirection.InOutRepeatingOut) return;
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if (_animationDirections[i] == AnimationDirection.InOutOut && _animationProgresses[i] != MAX_VALUE) return;
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if (_animationDirections[i] == AnimationDirection.In && _animationProgresses[i] != MAX_VALUE) return;
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}
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_animationTimer.Stop();
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OnAnimationFinished?.Invoke(this);
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}
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}
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private void DecrementProgress(int index)
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{
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_animationProgresses[index] -= (_animationDirections[index] == AnimationDirection.InOutOut || _animationDirections[index] == AnimationDirection.InOutRepeatingOut) ? SecondaryIncrement : Increment;
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if (_animationProgresses[index] < MIN_VALUE)
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{
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_animationProgresses[index] = MIN_VALUE;
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for (var i = 0; i < GetAnimationCount(); i++)
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{
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if (_animationDirections[i] == AnimationDirection.InOutIn) return;
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if (_animationDirections[i] == AnimationDirection.InOutRepeatingIn) return;
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if (_animationDirections[i] == AnimationDirection.InOutRepeatingOut) return;
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if (_animationDirections[i] == AnimationDirection.InOutOut && _animationProgresses[i] != MIN_VALUE) return;
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if (_animationDirections[i] == AnimationDirection.Out && _animationProgresses[i] != MIN_VALUE) return;
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}
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_animationTimer.Stop();
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OnAnimationFinished?.Invoke(this);
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}
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}
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public double GetProgress()
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{
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if (!Singular)
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throw new Exception("Animation is not set to Singular.");
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if (_animationProgresses.Count == 0)
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throw new Exception("Invalid animation");
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return GetProgress(0);
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}
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public double GetProgress(int index)
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{
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if (!(index < GetAnimationCount()))
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throw new IndexOutOfRangeException("Invalid animation index");
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switch (AnimationType)
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{
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case AnimationType.Linear:
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return AnimationLinear.CalculateProgress(_animationProgresses[index]);
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case AnimationType.EaseInOut:
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return AnimationEaseInOut.CalculateProgress(_animationProgresses[index]);
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case AnimationType.EaseOut:
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return AnimationEaseOut.CalculateProgress(_animationProgresses[index]);
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case AnimationType.CustomQuadratic:
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return AnimationCustomQuadratic.CalculateProgress(_animationProgresses[index]);
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default:
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throw new NotImplementedException("The given AnimationType is not implemented");
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}
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}
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public Point GetSource(int index)
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{
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if (!(index < GetAnimationCount()))
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throw new IndexOutOfRangeException("Invalid animation index");
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return _animationSources[index];
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}
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public Point GetSource()
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{
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if (!Singular)
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throw new Exception("Animation is not set to Singular.");
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if (_animationSources.Count == 0)
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throw new Exception("Invalid animation");
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return _animationSources[0];
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}
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public AnimationDirection GetDirection()
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{
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if (!Singular)
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throw new Exception("Animation is not set to Singular.");
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if (_animationDirections.Count == 0)
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throw new Exception("Invalid animation");
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return _animationDirections[0];
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}
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public AnimationDirection GetDirection(int index)
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{
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if (!(index < _animationDirections.Count))
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throw new IndexOutOfRangeException("Invalid animation index");
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return _animationDirections[index];
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}
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public object[] GetData()
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{
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if (!Singular)
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throw new Exception("Animation is not set to Singular.");
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if (_animationDatas.Count == 0)
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throw new Exception("Invalid animation");
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return _animationDatas[0];
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}
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public object[] GetData(int index)
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{
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if (!(index < _animationDatas.Count))
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throw new IndexOutOfRangeException("Invalid animation index");
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return _animationDatas[index];
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}
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public int GetAnimationCount()
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{
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return _animationProgresses.Count;
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}
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public void SetProgress(double progress)
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{
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if (!Singular)
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throw new Exception("Animation is not set to Singular.");
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if (_animationProgresses.Count == 0)
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throw new Exception("Invalid animation");
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_animationProgresses[0] = progress;
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}
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public void SetDirection(AnimationDirection direction)
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{
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if (!Singular)
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throw new Exception("Animation is not set to Singular.");
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if (_animationProgresses.Count == 0)
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throw new Exception("Invalid animation");
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_animationDirections[0] = direction;
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}
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public void SetData(object[] data)
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{
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if (!Singular)
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throw new Exception("Animation is not set to Singular.");
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if (_animationDatas.Count == 0)
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throw new Exception("Invalid animation");
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_animationDatas[0] = data;
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}
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}
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}
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