62 lines
1.7 KiB
C#
62 lines
1.7 KiB
C#
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using System;
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using System.Runtime.InteropServices;
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using Rive.Utils;
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namespace Rive
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{
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/// <summary>
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/// A view model instance property for trigger properties.
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/// </summary>
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public sealed class ViewModelInstanceTriggerProperty : ViewModelInstancePrimitiveProperty
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{
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internal ViewModelInstanceTriggerProperty(IntPtr instanceValuePtr, ViewModelInstance rootInstance) : base(instanceValuePtr, rootInstance)
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{
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}
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/// <summary>
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/// Raised when the trigger property is fired in the Rive graphic.
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/// </summary>
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public event Action OnTriggered
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{
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add => AddPropertyCallback(value, ref m_onTriggered);
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remove => RemovePropertyCallback(value, ref m_onTriggered);
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}
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private Action m_onTriggered;
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/// <summary>
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/// Fires the trigger
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/// </summary>
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public void Trigger()
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{
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ThrowIfOwnerDisposed();
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if (InstancePropertyPtr == IntPtr.Zero)
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{
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DebugLogger.Instance.LogWarning("Trying to trigger a null trigger property.");
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return;
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}
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fireViewModelInstanceTrigger(InstancePropertyPtr);
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}
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[DllImport(NativeLibrary.name)]
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private static extern void fireViewModelInstanceTrigger(IntPtr instanceProperty);
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internal override void RaiseChangedEvent()
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{
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m_onTriggered?.Invoke();
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}
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internal override void ClearAllCallbacks()
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{
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m_onTriggered = null;
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base.ClearAllCallbacks();
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}
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internal override void ClearDelegatesOnly()
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{
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m_onTriggered = null;
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}
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}
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}
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