ScrubberEvents.cs
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//-----------------------------------------------------------------------
// <copyright file="ScrubberEvents.cs" company="Google Inc.">
// Copyright 2016 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// </copyright>
//-----------------------------------------------------------------------
namespace GoogleVR.VideoDemo
{
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
/// <summary>
/// An object for handling pointer interactions with the Video Scrubber (time selection slider).
/// </summary>
public class ScrubberEvents : MonoBehaviour
{
private GameObject newPositionHandle;
private Vector3[] corners;
private Slider slider;
private VideoControlsManager mgr;
/// <summary>Sets the control manager.</summary>
/// <value>The control manager.</value>
public VideoControlsManager ControlManager
{
set
{
mgr = value;
}
}
/// <summary>Called when a pointer enter event occurs.</summary>
/// <param name="data">The EventData for the triggering pointer enter event.</param>
public void OnPointerEnter(BaseEventData data)
{
if (GvrPointerInputModule.Pointer != null)
{
RaycastResult r = GvrPointerInputModule.Pointer.CurrentRaycastResult;
if (r.gameObject != null)
{
newPositionHandle.transform.position = new Vector3(
r.worldPosition.x,
newPositionHandle.transform.position.y,
newPositionHandle.transform.position.z);
}
}
newPositionHandle.SetActive(true);
}
/// <summary>Called when a pointer exit event occurs.</summary>
/// <param name="data">The EventData for the triggering pointer exit event. Unused.</param>
public void OnPointerExit(BaseEventData data)
{
newPositionHandle.SetActive(false);
}
/// <summary>Called when a pointer click event occurs.</summary>
/// <param name="data">The EventData for the triggering pointer click event. Unused.</param>
public void OnPointerClick(BaseEventData data)
{
float minX = corners[0].x;
float maxX = corners[3].x;
float pct = (newPositionHandle.transform.position.x - minX) / (maxX - minX);
if (mgr != null)
{
long p = (long)(slider.maxValue * pct);
mgr.Player.CurrentPosition = p;
}
}
private void Start()
{
foreach (Image im in GetComponentsInChildren<Image>(true))
{
if (im.gameObject.name == "newPositionHandle")
{
newPositionHandle = im.gameObject;
break;
}
}
corners = new Vector3[4];
GetComponent<Image>().rectTransform.GetWorldCorners(corners);
slider = GetComponentInParent<Slider>();
}
private void Update()
{
bool setPos = false;
if (GvrPointerInputModule.Pointer != null)
{
RaycastResult r = GvrPointerInputModule.Pointer.CurrentRaycastResult;
if (r.gameObject != null)
{
newPositionHandle.transform.position = new Vector3(
r.worldPosition.x,
newPositionHandle.transform.position.y,
newPositionHandle.transform.position.z);
setPos = true;
}
}
if (!setPos)
{
newPositionHandle.transform.position = slider.handleRect.transform.position;
}
}
}
}