95 lines
3.0 KiB
C#
95 lines
3.0 KiB
C#
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// Copyright 2017 Google Inc. All rights reserved.
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//
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// Licensed under the MIT License, you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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//
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// http://www.opensource.org/licenses/mit-license.php
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//
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// Unless required by applicable law or agreed to in writing, software
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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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using System;
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using System.Collections;
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using UnityEngine;
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using UnityEngine.Events;
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using UnityEngine.EventSystems;
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/// Exposes events from _GvrEventExecutor_ that are fired by _GvrPointerInputModule_ to the editor.
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/// Makes it possible to handle EventSystem events globally.
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public class GvrAllEventsTrigger : MonoBehaviour {
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[Serializable]
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public class TriggerEvent : UnityEvent<GameObject, PointerEventData>
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{}
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public TriggerEvent OnPointerClick;
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public TriggerEvent OnPointerDown;
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public TriggerEvent OnPointerUp;
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public TriggerEvent OnPointerEnter;
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public TriggerEvent OnPointerExit;
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void OnEnable() {
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// EventExecutor isn't available until after the first update.
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// So we must wait to add the listeners.
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StartCoroutine(AddListenersDelayed());
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}
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void OnDisable() {
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RemoveListeners();
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}
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private IEnumerator AddListenersDelayed() {
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yield return null;
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AddListeners();
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}
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private void AddListeners() {
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GvrEventExecutor eventExecutor = GvrPointerInputModule.FindEventExecutor();
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if (eventExecutor == null) {
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return;
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}
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eventExecutor.OnPointerClick += OnPointerClickHandler;
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eventExecutor.OnPointerDown += OnPointerDownHandler;
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eventExecutor.OnPointerUp += OnPointerUpHandler;
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eventExecutor.OnPointerEnter += OnPointerEnterHandler;
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eventExecutor.OnPointerExit += OnPointerExitHandler;
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}
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private void RemoveListeners() {
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GvrEventExecutor eventExecutor = GvrPointerInputModule.FindEventExecutor();
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if (eventExecutor == null) {
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return;
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}
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eventExecutor.OnPointerClick -= OnPointerClickHandler;
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eventExecutor.OnPointerDown -= OnPointerDownHandler;
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eventExecutor.OnPointerUp -= OnPointerUpHandler;
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eventExecutor.OnPointerEnter -= OnPointerEnterHandler;
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eventExecutor.OnPointerExit -= OnPointerExitHandler;
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}
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private void OnPointerClickHandler(GameObject target, PointerEventData eventData) {
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OnPointerClick.Invoke(target, eventData);
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}
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private void OnPointerDownHandler(GameObject target, PointerEventData eventData) {
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OnPointerDown.Invoke(target, eventData);
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}
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private void OnPointerUpHandler(GameObject target, PointerEventData eventData) {
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OnPointerUp.Invoke(target, eventData);
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}
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private void OnPointerEnterHandler(GameObject target, PointerEventData eventData) {
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OnPointerEnter.Invoke(target, eventData);
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}
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private void OnPointerExitHandler(GameObject target, PointerEventData eventData) {
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OnPointerExit.Invoke(target, eventData);
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}
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}
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