94 lines
2.7 KiB
C#
94 lines
2.7 KiB
C#
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* Licensed under the Oculus SDK License Agreement (the "License");
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* you may not use the Oculus SDK except in compliance with the License,
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* which is provided at the time of installation or download, or which
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* otherwise accompanies this software in either electronic or hard copy form.
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*
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* You may obtain a copy of the License at
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*
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* https://developer.oculus.com/licenses/oculussdk/
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*
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* Unless required by applicable law or agreed to in writing, the Oculus SDK
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using UnityEngine;
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using UnityEngine.UI;
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namespace Oculus.Interaction
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{
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/// <summary>
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/// PointableCanvas allows any IPointable to forward its
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/// events onto an associated Canvas via the IPointableCanvas interface
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/// Requires a PointableCanvasModule present in the scene.
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/// </summary>
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public class PointableCanvas : PointableElement, IPointableCanvas
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{
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[Tooltip("PointerEvents will be forwarded to this Unity Canvas.")]
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[SerializeField]
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private Canvas _canvas;
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public Canvas Canvas => _canvas;
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private bool _registered = false;
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protected override void Start()
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{
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base.Start();
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this.AssertField(Canvas, nameof(Canvas));
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this.AssertIsTrue(Canvas.TryGetComponent(out GraphicRaycaster raycaster),
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$"{nameof(PointableCanvas)} requires that the {nameof(Canvas)} object has an attached GraphicRaycaster.");
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}
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private void Register()
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{
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PointableCanvasModule.RegisterPointableCanvas(this);
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_registered = true;
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}
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private void Unregister()
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{
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if (!_registered) return;
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PointableCanvasModule.UnregisterPointableCanvas(this);
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_registered = false;
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}
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protected override void OnEnable()
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{
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base.OnEnable();
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if (_started)
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{
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Register();
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}
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}
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protected override void OnDisable()
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{
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if (_started)
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{
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Unregister();
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}
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base.OnDisable();
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}
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#region Inject
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public void InjectAllPointableCanvas(Canvas canvas)
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{
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InjectCanvas(canvas);
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}
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public void InjectCanvas(Canvas canvas)
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{
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_canvas = canvas;
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}
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#endregion
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}
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}
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