using System;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using UnityEngine.Serialization;

namespace UnityEngine.UI
{
	// Token: 0x0200007E RID: 126
	[AddComponentMenu("UI/Toggle", 31)]
	[RequireComponent(typeof(RectTransform))]
	public class Toggle : Selectable, IPointerClickHandler, ISubmitHandler, ICanvasElement, IEventSystemHandler
	{
		// Token: 0x060004C8 RID: 1224 RVA: 0x0001A01A File Offset: 0x0001841A
		protected Toggle()
		{
		}

		// Token: 0x17000154 RID: 340
		// (get) Token: 0x060004C9 RID: 1225 RVA: 0x0001A038 File Offset: 0x00018438
		// (set) Token: 0x060004CA RID: 1226 RVA: 0x0001A053 File Offset: 0x00018453
		public ToggleGroup group
		{
			get
			{
				return this.m_Group;
			}
			set
			{
				this.m_Group = value;
				this.SetToggleGroup(this.m_Group, true);
				this.PlayEffect(true);
			}
		}

		// Token: 0x060004CB RID: 1227 RVA: 0x0001A073 File Offset: 0x00018473
		public virtual void Rebuild(CanvasUpdate executing)
		{
		}

		// Token: 0x060004CC RID: 1228 RVA: 0x0001A076 File Offset: 0x00018476
		public virtual void LayoutComplete()
		{
		}

		// Token: 0x060004CD RID: 1229 RVA: 0x0001A079 File Offset: 0x00018479
		public virtual void GraphicUpdateComplete()
		{
		}

		// Token: 0x060004CE RID: 1230 RVA: 0x0001A07C File Offset: 0x0001847C
		protected override void OnEnable()
		{
			base.OnEnable();
			this.SetToggleGroup(this.m_Group, false);
			this.PlayEffect(true);
		}

		// Token: 0x060004CF RID: 1231 RVA: 0x0001A099 File Offset: 0x00018499
		protected override void OnDisable()
		{
			this.SetToggleGroup(null, false);
			base.OnDisable();
		}

		// Token: 0x060004D0 RID: 1232 RVA: 0x0001A0AC File Offset: 0x000184AC
		protected override void OnDidApplyAnimationProperties()
		{
			if (this.graphic != null)
			{
				bool flag = !Mathf.Approximately(this.graphic.canvasRenderer.GetColor().a, 0f);
				if (this.m_IsOn != flag)
				{
					this.m_IsOn = flag;
					this.Set(!flag);
				}
			}
			base.OnDidApplyAnimationProperties();
		}

		// Token: 0x060004D1 RID: 1233 RVA: 0x0001A118 File Offset: 0x00018518
		private void SetToggleGroup(ToggleGroup newGroup, bool setMemberValue)
		{
			ToggleGroup group = this.m_Group;
			if (this.m_Group != null)
			{
				this.m_Group.UnregisterToggle(this);
			}
			if (setMemberValue)
			{
				this.m_Group = newGroup;
			}
			if (newGroup != null && this.IsActive())
			{
				newGroup.RegisterToggle(this);
			}
			if (newGroup != null && newGroup != group && this.isOn && this.IsActive())
			{
				newGroup.NotifyToggleOn(this);
			}
		}

		// Token: 0x17000155 RID: 341
		// (get) Token: 0x060004D2 RID: 1234 RVA: 0x0001A1AC File Offset: 0x000185AC
		// (set) Token: 0x060004D3 RID: 1235 RVA: 0x0001A1C7 File Offset: 0x000185C7
		public bool isOn
		{
			get
			{
				return this.m_IsOn;
			}
			set
			{
				this.Set(value);
			}
		}

		// Token: 0x060004D4 RID: 1236 RVA: 0x0001A1D1 File Offset: 0x000185D1
		private void Set(bool value)
		{
			this.Set(value, true);
		}

		// Token: 0x060004D5 RID: 1237 RVA: 0x0001A1DC File Offset: 0x000185DC
		private void Set(bool value, bool sendCallback)
		{
			if (this.m_IsOn != value)
			{
				this.m_IsOn = value;
				if (this.m_Group != null && this.IsActive())
				{
					if (this.m_IsOn || (!this.m_Group.AnyTogglesOn() && !this.m_Group.allowSwitchOff))
					{
						this.m_IsOn = true;
						this.m_Group.NotifyToggleOn(this);
					}
				}
				this.PlayEffect(this.toggleTransition == Toggle.ToggleTransition.None);
				if (sendCallback)
				{
					UISystemProfilerApi.AddMarker("Toggle.value", this);
					this.onValueChanged.Invoke(this.m_IsOn);
				}
			}
		}

		// Token: 0x060004D6 RID: 1238 RVA: 0x0001A294 File Offset: 0x00018694
		private void PlayEffect(bool instant)
		{
			if (!(this.graphic == null))
			{
				this.graphic.CrossFadeAlpha((!this.m_IsOn) ? 0f : 1f, (!instant) ? 0.1f : 0f, true);
			}
		}

		// Token: 0x060004D7 RID: 1239 RVA: 0x0001A2F3 File Offset: 0x000186F3
		protected override void Start()
		{
			this.PlayEffect(true);
		}

		// Token: 0x060004D8 RID: 1240 RVA: 0x0001A2FD File Offset: 0x000186FD
		private void InternalToggle()
		{
			if (this.IsActive() && this.IsInteractable())
			{
				this.isOn = !this.isOn;
			}
		}

		// Token: 0x060004D9 RID: 1241 RVA: 0x0001A32A File Offset: 0x0001872A
		public virtual void OnPointerClick(PointerEventData eventData)
		{
			if (eventData.button == PointerEventData.InputButton.Left)
			{
				this.InternalToggle();
			}
		}

		// Token: 0x060004DA RID: 1242 RVA: 0x0001A343 File Offset: 0x00018743
		public virtual void OnSubmit(BaseEventData eventData)
		{
			this.InternalToggle();
		}

		// Token: 0x060004DB RID: 1243 RVA: 0x0001A34C File Offset: 0x0001874C
		Transform ICanvasElement.get_transform()
		{
			return base.transform;
		}

		// Token: 0x04000249 RID: 585
		public Toggle.ToggleTransition toggleTransition = Toggle.ToggleTransition.Fade;

		// Token: 0x0400024A RID: 586
		public Graphic graphic;

		// Token: 0x0400024B RID: 587
		[SerializeField]
		private ToggleGroup m_Group;

		// Token: 0x0400024C RID: 588
		public Toggle.ToggleEvent onValueChanged = new Toggle.ToggleEvent();

		// Token: 0x0400024D RID: 589
		[FormerlySerializedAs("m_IsActive")]
		[Tooltip("Is the toggle currently on or off?")]
		[SerializeField]
		private bool m_IsOn;

		// Token: 0x0200007F RID: 127
		public enum ToggleTransition
		{
			// Token: 0x0400024F RID: 591
			None,
			// Token: 0x04000250 RID: 592
			Fade
		}

		// Token: 0x02000080 RID: 128
		[Serializable]
		public class ToggleEvent : UnityEvent<bool>
		{
		}
	}
}