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NyaPTouch.js
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NyaPTouch.js
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/*
Copyright [email protected]
LGPL license
*/
'use strict';
import {NyaPCommon,
DomTools,
Utils,
} from './NyaPCommon.js';
const O2H=DomTools.Object2HTML;
//NyaPTouch options
const NyaPTouchOptions={
dragToSeek:true,//drag ←→ direction on the video to seek
dragToChangeVolume:true,//drag ↑↓ direction on the video to change volume
bottomControlHeight:50,//control bar height
progressBarHeight:14,
progressPad:10,//progress bar side margin
hideControlsBeforeVideoLoaded:true,
fullScreenToFullPageIfNotSupported:true,
}
//touch player
class NyaPTouch extends NyaPCommon{
constructor(opt){
super(Utils.deepAssign({},NyaPTouchOptions,opt));
opt=this.opt;
const NP=this,
_t=this._t,
$=this.$,
video=this.video;
//set icons
function icon(name,event,attr={}){
const ico=opt.icons[name];
return O2H({_:'span',event,attr,prop:{id:`icon_span_${name}`,
innerHTML:`<svg height="${NP.opt.bottomControlHeight}" width="${NP.opt.bottomControlHeight/ico[1]*ico[0]}" viewBox="0,0,${ico[0]},${ico[1]}" id="icon_${name}"">${ico[2]}</svg>`}});
}
this.stat('creating_player');
this._.fullScreenToFullPage=opt.fullScreenToFullPageIfNotSupported&&this._.ios;
//create player elements
this._.player=O2H({
_:'div',attr:{class:'NyaPTouch',id:'NyaPTouch'},child:[
this.videoFrame,
{_:'div',prop:{id:'controls',hidden:opt.hideControlsBeforeVideoLoaded},child:[
{_:'div',prop:{id:'control_bottom'},child:[
{_:'div',attr:{id:'control_bottom_first'},child:[
{_:'div',attr:{id:'progress_area'},child:[
{_:'div',prop:{id:'progress_info'},child:[
{_:'span',attr:{id:'progress_frame'},child:[
{_:'div',prop:{id:'progress_wrap'},child:[
{_:'div',prop:{id:'buffed_bar'}},
{_:'div',prop:{id:'progress_bar'}},
{_:'div',prop:{id:'seekTo_bar',hidden:true}},
]},
]},
{_:'span',prop:{id:'time'},child:[
{_:'span',prop:{id:'current_time'},child:['00:00']},
'/',
{_:'span',prop:{id:'total_time'},child:['00:00']},
]},
]},
]},
{_:'span',prop:{id:'button_area'},child:[
icon('play',{click:e=>this.playToggle()}),
{_:'div',attr:{style:'flex-grow: 1;display: flex;'},child:[
{_:'span',attr:{id:'danmakuStyleEditor',class:'NyaP_hideNotFirstChildren',tabindex:0},child:[
icon('danmakuStyle',{click:e=>this.danmakuStyleToggle()}),
{_:'div',attr:{id:'danmaku_size_box'}},
{_:'div',attr:{id:'danmaku_mode_box'}},
{_:'div',attr:{id:'danmaku_color_box'}},
]},
{_:'input',attr:{id:'danmaku_input',placeholder:_t('Input danmaku here')}},
]},
// {_:'div',attr:{style:'flex-grow: 1;'}},
icon('danmakuToggle',{click:e=>this.Danmaku.toggle()},{class:'active_icon'}),
icon('loop',{click:e=>video.loop=!video.loop}),
icon('volume'),
icon(this._.fullScreenToFullPage?'fullPage':'fullScreen',{click:e=>this.playerMode(this._.fullScreenToFullPage?'fullPage':'fullScreen')}),
]},
]},
]},
]},
]
});
//add private vars
Object.assign(NP._,{
currentDragMode:null,
touchStartPoint:[0,0],
bottomControlDraging:undefined,
bottomControlTransformY:0,
preVideoStat:false,
seekTo:0,
});
//calc progress and control_bottom styles
Object.assign($('#progress_wrap').style,{
left:this.opt.progressPad+'px',
right:this.opt.progressPad+'px',
height:this.opt.progressBarHeight+'px',
marginTop:(-this.opt.progressBarHeight/2+1)+'px',
});
// $('#control_bottom').style.marginBottom=`-${this.opt.bottomControlHeight}px`;
//add extra touch event to video
extendEvent.doubletouch($('#main_video'));
extendEvent.touchdrag($('#main_video'),{allowMultiTouch:false,preventDefaultX:true});
extendEvent.touchdrag($('#control_bottom'),{allowMultiTouch:false,preventDefaultY:true});
//events
const events={
main_video:{
playing:e=>{
NP._setDisplayTime(null,Utils.formatTime(video.duration,video.duration));
NP._iconActive('play',true);
},
pause:e=>{
NP._iconActive('play',false);
},
loadedmetadata:e=>{
console.log('视频时间1',video.duration)
requestAnimationFrame(()=>{
console.log('视频时间2',video.duration)
NP._setDisplayTime(null,Utils.formatTime(video.duration,video.duration));
});
if(opt.hideControlsBeforeVideoLoaded)
$('#controls').hidden=false;
},
volumechange:e=>{
//show volume msg
NP._.volumeBox.renew(`${_t('volume')}:${(video.volume*100).toFixed(0)}%`+`${video.muted?('('+_t('muted')+')'):''}`,3000);
//change icon style
DomTools.setAttrs($('#volume_circle'),{'stroke-dasharray':`${video.volume*12*Math.PI} 90`,style:`fill-opacity:${video.muted?.2:.6}!important`});
},
progress:e=>NP.drawProgress(),
click:e=>{
e.preventDefault();
NP.controlsToggle();
},
doubletouch:e=>NP.playToggle(),
timeupdate:(e)=>{
let t=Date.now();
if(t-NP._.lastTimeUpdate <30)return;
NP._setDisplayTime(Utils.formatTime(video.currentTime,video.duration));
NP.drawProgress();
NP._.lastTimeUpdate=t;
},
touchstart:e=>{
let T=e.changedTouches[0];
if(NP._.currentDragMode)return;
NP._.touchStartPoint=[T.clientX,T.clientY];
},
touchmove:e=>{
if(NP._.currentDragMode)e.preventDefault();
},
touchdrag:e=>{
if(!NP._.currentDragMode){//make sure the drag mode:seek,volume
if(Math.abs(e.deltaX)>Math.abs(e.deltaY)){//seek
if(!opt.dragToSeek)return;
NP._.currentDragMode='seek';
NP._.seekTo=video.currentTime;
}else{
NP._.currentDragMode='volume';
}
}
switch(NP._.currentDragMode){
case 'volume':{
video.volume=Utils.clamp(video.volume-e.deltaY/200,0,1);
// NP._.volumeBox.renew(`${_t('volume')}:${(video.volume*100).toFixed(0)}%`+`${video.muted?('('+_t('muted')+')'):''}`,3000);
break;
}
case 'seek':{
let mu=1+Math.abs(e.touches[0].clientY-NP._.touchStartPoint[1])/5;
NP._.seekTo=Utils.clamp(NP._.seekTo+(e.deltaX/100)*mu,0,video.duration);
NP.emit('seekMark',NP._.seekTo);
break;
}
}
},
touchend:e=>{
if(NP._.currentDragMode==='seek'){
video.currentTime=NP._.seekTo;
$('#progress_bar').style.width=`${(NP._.seekTo/video.duration*100).toFixed(2)}%`;
NP.$('#seekTo_bar').hidden=true;
NP._setDisplayTime(null,Utils.formatTime(video.duration,video.duration));
}
NP._.currentDragMode=null;
},
/* contextmenu:e=>{
e.preventDefault();
if(!opt.dragToChangeVolume)return;
NP._.currentDragMode='volume';
}, */
},
/* control_bottom:{
touchdrag:e=>{
if(NP._.bottomControlDraging===undefined){
NP._.bottomControlDraging=(Math.abs(e.deltaY)>Math.abs(e.deltaX));
}
if(NP._.bottomControlDraging)
NP._bottomControlTransformY(NP._.bottomControlTransformY-e.deltaY);
},
touchend:e=>{
if(NP._.bottomControlDraging==undefined)return;
NP._.bottomControlDraging=undefined;
let R=$('#control_bottom').offsetHeight/2;
NP._bottomControlTransformY(NP._.bottomControlTransformY<R?0:NP.opt.bottomControlHeight);
},
}, */
progress_frame:{
click:e=>{
let t=e.target,pad=NP.opt.progressPad,
pre=Utils.clamp((e.offsetX-pad)/(t.offsetWidth-2*pad),0,1);
video.currentTime=pre*video.duration;
},
},
danmaku_input:{
'keydown':e=>{
if(e.key=='Enter')NP.send();
},
focus:e=>{
NP._.preVideoStat=!video.paused;
video.pause();
if(!DomTools.isFullscreen())return;
$('#control_bottom').style.top=0;
NP._bottomControlTransformY(0);
},
blur:e=>{
setTimeout(()=>{if(NP._.preVideoStat)video.play();},100);
if($('#control_bottom').style.top=='')return;
$('#control_bottom').style.top='';
NP._bottomControlTransformY($('#control_bottom').offsetHeight-NP.opt.bottomControlHeight);
},
},
danmakuStyleEditor:{
blur:e=>NP.danmakuStyleToggle(false),
},
danmaku_mode_box:{
click:e=>{
let t=e.target;
if(t.id.startsWith('icon_span_danmakuMode')){
let m=1*t.id.match(/\d$/)[0];
if(NP._.danmakuMode!==undefined)
$(`#icon_span_danmakuMode${NP._.danmakuMode}`).classList.remove('active');
$(`#icon_span_danmakuMode${m}`).classList.add('active');
NP._.danmakuMode=m;
}
}
},
danmaku_size_box:{
click:e=>{
let t=e.target;
if(!t.size)return;
Utils.toArray($('#danmaku_size_box').childNodes).forEach(sp=>{
if(NP._.danmakuSize===sp.size)sp.classList.remove('active');
});
t.classList.add('active');
NP._.danmakuSize=t.size;
}
},
danmaku_color_box:{
click:e=>{
if(e.target.color){
let c=NP.Danmaku.isVaildColor(e.target.color);
if(c){//match valid hex color code
NP._.danmakuColor=c;
Utils.toArray($('#danmaku_color_box').childNodes).forEach(cp=>{
if(cp===e.target)cp.classList.add('active');
else cp.classList.remove('active');
});
}else{
NP._.danmakuColor=undefined;
c=NP.Danmaku.isVaildColor(NP.opt.danmaku.defaultDanmakuColor);
Utils.toArray($('#danmaku_color_box').childNodes).forEach(cp=>cp.classList.remove('active'));
}
}
}
},
};
this.applyEvents(events);
this.applyEvents(this._.sharedEvents);
DomTools.addEvents(this,{
video_loopChange:value=>NP._iconActive('loop',value),
danmakuFrameToggle:bool=>this._iconActive('danmakuToggle',bool),//listen danmakuToggle event to change button style
seekMark:t=>{
if($('#seekTo_bar').hidden)$('#seekTo_bar').hidden=false;
$('#seekTo_bar').style.width=`${(t/video.duration*100).toFixed(2)}%`;
NP._setDisplayTime(null,Utils.formatTime(t,video.duration));
},
playerModeChange:mode=>{
['fullScreen','fullPage'].forEach(m=>{
NP._iconActive(m,mode===m);
});
},
});
DomTools.addEvents(document,{
'fullscreenchange,mozfullscreenchange,webkitfullscreenchange,msfullscreenchange':e=>{
if(NP.currentPlayerMode=='fullScreen' && !DomTools.isFullscreen())
NP.playerMode('normal');
},
visibilitychange:e=>{
if(document.hidden)NP._.preVideoStat=false;
},
});
//danmaku ui
if(this._danmakuEnabled){
//danmaku sizes
opt.uiOptions.danmakuSizes&&opt.uiOptions.danmakuSizes.forEach((s,ind)=>{
let el=O2H({_:'span',attr:{style:`font-size:${16+ind*3}px;`,title:s},prop:{size:s},child:['A']});
$('#danmaku_size_box').appendChild(el);
if(typeof opt.uiOptions.danmakuSize === 'number' && s===opt.uiOptions.danmakuSize){
el.click();
}
});
//danmaku colors
opt.uiOptions.danmakuColors&&opt.uiOptions.danmakuColors.forEach(c=>{
let el=O2H({_:'span',attr:{style:`background-color:#${c};`,title:c},prop:{color:c}});
$('#danmaku_color_box').appendChild(el);
});
//danmaku modes
opt.uiOptions.danmakuModes&&opt.uiOptions.danmakuModes.forEach(m=>{
let el=icon(`danmakuMode${m}`);
$('#danmaku_mode_box').appendChild(el);
if(Number.isInteger(opt.uiOptions?.danmakuMode)&&(m===opt.uiOptions.danmakuMode)){
el.click();
}
});
}else{
this.$$('[id*=danmaku]').forEach(el=>{//remove danmaku buttons
el.parentNode,removeChild(el);
});
}
//put into the container
if(opt.playerContainer instanceof HTMLElement)
opt.playerContainer.appendChild(NP.player);
this.statResult('creating_player');
}
controlsToggle(bool=this.$('#controls').hidden){
this.$('#controls').hidden=!bool;
}
danmakuStyleToggle(bool=this.$('#danmakuStyleEditor').classList.contains('NyaP_hideNotFirstChildren')){
this.$('#danmakuStyleEditor').classList[bool?'remove':'add']('NyaP_hideNotFirstChildren');
}
_bottomControlTransformY(y=this._.bottomControlTransformY){
this._.bottomControlTransformY=Utils.clamp(
y,
0,
NP.opt.bottomControlHeight
);
this.$('#control_bottom').style.transform=`translate3d(0,-${this._.bottomControlTransformY}px,0)`;
if(y===0)this.danmakuStyleToggle(false);
}
danmakuInput(bool=this._.bottomControlTransformY===0){//hide or show danmaku input
return;
let $=this.$;
if(bool)
this._bottomControlTransformY(this.$('#control_bottom_first').offsetHeight-NP.opt.bottomControlHeight);
else{
this._bottomControlTransformY(0);
}
setImmediate(()=>{bool?$('#danmaku_input').focus():this._.player.focus();});
}
drawProgress(){
const V=this.video,
B=V.buffered,
D=V.duration;
let lastBuffered=0;
if(B.length)lastBuffered=B.end(B.length-1);
this.$('#buffed_bar').style.width=`${(lastBuffered/D*100).toFixed(2)}%`;
this.$('#progress_bar').style.width=`${(V.currentTime/D*100).toFixed(2)}%`;
}
}
var extendEventDefaultOpt={
touchdrag:{
preventDefault:false,
preventDefaultX:false,
preventDefaultY:false,
allowMultiTouch:false,
},
doubletouch:{
preventDefault:true,
}
}
var extendEvent={//扩展事件
touchdrag:function(element,opt){
let stats={};
opt=Object.assign({},extendEventDefaultOpt.touchdrag,opt);
element.addEventListener('touchstart',function(e){
if(!opt.allowMultiTouch && e.changedTouches.length>1){stats={};return;}
let ct=e.changedTouches;
for(let t=ct.length;t--;){
stats[ct[t].identifier]=[ct[t].clientX,ct[t].clientY];
}
});
element.addEventListener('touchmove',function(e){
if(!opt.allowMultiTouch && e.touches.length>1){return;}
let ct=e.changedTouches;
for(let t=ct.length;t--;){
let id=ct[t].identifier;
if(!id in stats)continue;//不属于这个元素的事件
let event=new TouchEvent('touchdrag',e);
event.deltaX=ct[t].clientX-stats[id][0];
event.deltaY=ct[t].clientY-stats[id][1];
stats[id]=[ct[t].clientX,ct[t].clientY];
if(opt.preventDefault
||(opt.preventDefaultX && Math.abs(event.deltaX)>Math.abs(event.deltaY))
||(opt.preventDefaultY && Math.abs(event.deltaX)<Math.abs(event.deltaY))){
e.preventDefault();
}
element.dispatchEvent(event);
}
});
},
doubletouch:function(element,opt){//enable doubletouch event
//触摸中出现离开则开始定时
//定时400毫秒内出现离开事件后判断触点位置组,
let lastTouches=[],//store touches array of a previous event
currentTouches=[],//e.touches
checking=false,//checking if the event should be fired
checkTimeout=0;//setTimeout
function reset(){
clearTimeout(checkTimeout);
lastTouches=[];
currentTouches=[];
checking=false;
}
opt=Object.assign({},extendEventDefaultOpt.doubletouch,opt);
element.addEventListener('touchstart',function(e){
currentTouches=e.touches;//touches of this touch event
});
element.addEventListener('touchend',function(e){
if(e.touches.length!==0)return;
let _lastTouches=lastTouches;
lastTouches=currentTouches;
if(checking){
clearTimeout(checkTimeout);
do{
if(_lastTouches.length!==currentTouches.length)break;//points not match
//compare evert points' position
let lP=[];
for(let i=_lastTouches.length;i--;)//get points of last touches
lP.push([_lastTouches[i].clientX,_lastTouches[i].clientY]);
for(let i=currentTouches.length;i--;){
for(let i2=lP.length;i2--;){
//remove points that are not more than 6 pixels far from last point
if(lineLength(currentTouches[i].clientX,currentTouches[i].clientY,lP[i2][0],lP[i2][1])<=6){
lP.splice(i2,1);
}
}
}
if(lP.length!==0)break;//some points are not at the same place
//ok
if(opt.preventDefault)e.preventDefault();
let event=new TouchEvent('doubletouch',e);
event.points=currentTouches.length;
element.dispatchEvent(event);
}while(0);
reset();
}else{
checking=true;
checkTimeout=setTimeout(()=>{
checking=false;
},400);
}
});
}
}
function lineLength(ax,ay,bx,by){
return Math.sqrt((ax-bx)*(ax-bx)+(ay-by)*(ay-by));
}
window.NyaPTouch=NyaPTouch;