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101 lines
3.0 KiB
C#
101 lines
3.0 KiB
C#
// The CMLeonOS Project (https://github.com/Leonmmcoset/CMLeonOS)
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// Copyright (C) 2025-present LeonOS 2 Developer Team
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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using CMLeonOS.Gui;
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namespace CMLeonOS.UILib.Animations
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{
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/// <summary>
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/// A window animation.
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/// </summary>
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internal abstract class Animation
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{
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/// <summary>
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/// The easing type of the animation.
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/// </summary>
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internal EasingType EasingType { get; set; } = EasingType.Sine;
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/// <summary>
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/// The direction of the easing of the animation.
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/// </summary>
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internal EasingDirection EasingDirection { get; set; } = EasingDirection.Out;
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/// <summary>
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/// The duration of the animation.
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/// </summary>
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internal int Duration { get; set; } = 60;
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/// <summary>
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/// How many frames of the animation have been completed.
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/// </summary>
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internal int Position { get; set; } = 0;
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/// <summary>
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/// If the animation has finished.
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/// </summary>
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internal bool Finished
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{
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get
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{
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return Position >= Duration;
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}
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}
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/// <summary>
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/// The window associated with the animation.
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/// </summary>
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internal Window Window { get; set; }
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/// <summary>
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/// Advance the animation by one frame.
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/// </summary>
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/// <returns>Whether or not the animation is now finished.</returns>
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internal abstract bool Advance();
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private int? timerId { get; set; } = null;
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/// <summary>
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/// Start the animation.
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/// </summary>
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internal void Start()
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{
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if (timerId == null)
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{
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timerId = Cosmos.HAL.Global.PIT.RegisterTimer(new Cosmos.HAL.PIT.PITTimer(() =>
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{
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Advance();
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if (Finished)
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{
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Stop();
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}
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}, (ulong)((1000d /* ms */ / 60d) * 1e+6d /* ms -> ns */ ), true));
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}
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}
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/// <summary>
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/// Stop the animation.
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/// </summary>
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internal void Stop()
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{
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if (timerId != null)
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{
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Cosmos.HAL.Global.PIT.UnregisterTimer((int)timerId);
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timerId = null;
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}
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}
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}
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}
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