88 lines
2.3 KiB
C#
88 lines
2.3 KiB
C#
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using UnityEngine;
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using UnityEngine.Experimental.UIElements;
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namespace UnityEditor.PackageManager.UI
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{
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#if !UNITY_2018_3_OR_NEWER
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internal class LoadingSpinnerFactory : UxmlFactory<LoadingSpinner>
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{
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protected override LoadingSpinner DoCreate(IUxmlAttributes bag, CreationContext cc)
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{
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return new LoadingSpinner();
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}
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}
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#endif
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internal class LoadingSpinner : VisualElement
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{
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#if UNITY_2018_3_OR_NEWER
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internal new class UxmlFactory : UxmlFactory<LoadingSpinner, UxmlTraits>
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{
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}
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// This works around an issue with UXML instantiation
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// See https://fogbugz.unity3d.com/f/cases/1046459/
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internal new class UxmlTraits : VisualElement.UxmlTraits
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{
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public override void Init(VisualElement ve, IUxmlAttributes bag, CreationContext cc)
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{
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base.Init(ve, bag, cc);
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UIUtils.SetElementDisplay(ve, false);
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}
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}
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#endif
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public bool InvertColor { get; set; }
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public bool Started { get; private set; }
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private int rotation;
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public LoadingSpinner()
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{
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InvertColor = false;
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Started = false;
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UIUtils.SetElementDisplay(this, false);
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}
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private void UpdateProgress()
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{
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if (parent == null)
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return;
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parent.transform.rotation = Quaternion.Euler(0, 0, rotation);
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rotation += 3;
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if (rotation > 360)
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rotation -= 360;
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}
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public void Start()
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{
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if (Started)
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return;
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// Weird hack to make sure loading spinner doesn't generate an error every frame.
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// Cannot put in constructor as it give really strange result.
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if (parent != null && parent.parent != null)
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parent.parent.clippingOptions = ClippingOptions.ClipAndCacheContents;
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rotation = 0;
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EditorApplication.update += UpdateProgress;
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Started = true;
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UIUtils.SetElementDisplay(this, true);
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}
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public void Stop()
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{
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if (!Started)
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return;
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EditorApplication.update -= UpdateProgress;
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Started = false;
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UIUtils.SetElementDisplay(this, false);
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}
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}
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}
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