package com.youku.player.util;
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import android.app.Activity;
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import android.hardware.SensorManager;
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import android.view.OrientationEventListener;
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/**
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* 播放器横竖屏翻转 传感器 代替系统sensor
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* @author hail_lelouch
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*
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*/
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public class DeviceOrientationHelper extends OrientationEventListener{
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private OrientationChangeCallback callback;
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private DeviceOrientation localOrientation = DeviceOrientation.UNKONWN;
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//判断是否为用户点击放大缩小按钮 竖屏点击放大时判断
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public boolean fromUser = false;
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private boolean fromComplete = false;
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//设备方向
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public static enum DeviceOrientation{
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UNKONWN,
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// _______
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// | _____ |
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// || ||
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UPRIGHT, // ||_____||
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// | |
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// | |
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// |_______|
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// __________________
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// ｜ __ |
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LEFTONTOP, // ｜ | | |
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// ｜ |__| |
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// ｜_________________|
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// _______
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// | |
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// | |
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BOTTOMUP, // | _____ |
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// || ||
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// ||_____||
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// |_______|
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// __________________
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// ｜ __ |
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RIGHTONTOP // ｜| | |
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// ｜|__| |
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// ｜_________________|
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}
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public DeviceOrientationHelper(Activity ctxt, OrientationChangeCallback callback){
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super(ctxt, SensorManager.SENSOR_DELAY_NORMAL);
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this.callback = callback;
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}
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private void initLocalOrientation(int orientation) {
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if ((orientation >= 0 && orientation <= 30) || (orientation >= 330 && orientation <= 360)) {
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localOrientation = DeviceOrientation.UPRIGHT;
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} else if ((orientation >= 60) && orientation <= 120) {
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localOrientation = DeviceOrientation.LEFTONTOP;
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} else if (orientation >= 150 && orientation <= 210) {
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localOrientation = DeviceOrientation.BOTTOMUP;
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} else if (orientation >= 240 && orientation <= 300) {
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localOrientation = DeviceOrientation.RIGHTONTOP;
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}
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}
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@Override
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public void onOrientationChanged(int orientation) {
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if (localOrientation == DeviceOrientation.UNKONWN) {
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initLocalOrientation(orientation);
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}
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if((orientation >= 0 && orientation <= 30) || (orientation >= 330 && orientation <= 360)){
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if(!fromUser && localOrientation != DeviceOrientation.UPRIGHT && (localOrientation == DeviceOrientation.LEFTONTOP || localOrientation == DeviceOrientation.RIGHTONTOP) && !fromComplete){
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if(callback != null) {
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callback.land2Port();
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}
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}else if(fromUser){
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fromUser = false;
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}else if(fromComplete){
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if(callback != null) {
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callback.onFullScreenPlayComplete();
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fromComplete = false;
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}
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}
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localOrientation = DeviceOrientation.UPRIGHT;
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}else if((orientation >= 60) && orientation <= 120){
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if(localOrientation != DeviceOrientation.LEFTONTOP){
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if(callback != null) {
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callback.reverseLand();
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}
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}
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localOrientation = DeviceOrientation.LEFTONTOP;
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}else if(orientation >= 150 && orientation <= 210){
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if(localOrientation != DeviceOrientation.BOTTOMUP) {
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if(callback != null) {
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callback.reversePort();
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}
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}
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localOrientation = DeviceOrientation.BOTTOMUP;
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}else if(orientation >= 240 && orientation <= 300){
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if(!fromUser && localOrientation != DeviceOrientation.RIGHTONTOP && (localOrientation == DeviceOrientation.UPRIGHT || localOrientation == DeviceOrientation.BOTTOMUP)){
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if(callback != null) {
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callback.port2Land();
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}
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} else if(fromUser) {
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fromUser = false;
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}
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localOrientation = DeviceOrientation.RIGHTONTOP;
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}
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}
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public interface OrientationChangeCallback{
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public void land2Port();
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public void port2Land();
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//点击放大按钮后 旋转180%
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public void reverseLand();
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public void reversePort();
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public void onFullScreenPlayComplete();
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}
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public void enableListener(){
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if(this.canDetectOrientation())
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this.enable();
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}
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public void disableListener(){
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this.disable();
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localOrientation = DeviceOrientation.UNKONWN;
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}
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public void isFromUser(){
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fromUser = true;
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}
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public void isFromComplete(){
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fromComplete = true;
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}
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public DeviceOrientation getLocalOrientation(){
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return localOrientation;
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}
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public void setCallback(OrientationChangeCallback callback) {
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this.callback = callback;
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}
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}
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