534 lines
15 KiB
Vue
534 lines
15 KiB
Vue
<!-- eslint-disable -->
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<template>
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<view
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class="player-wrapper"
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:id="videoWrapperId"
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:parentId="id"
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:randomNum="randomNum"
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:change:randomNum="domVideoPlayer.randomNumChange"
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:viewportProps="viewportProps"
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:change:viewportProps="domVideoPlayer.viewportChange"
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:videoSrc="videoSrc"
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:change:videoSrc="domVideoPlayer.initVideoPlayer"
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:command="eventCommand"
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:change:command="domVideoPlayer.triggerCommand"
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:func="renderFunc"
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:change:func="domVideoPlayer.triggerFunc"
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/>
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</template>
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<script>
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export default {
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props: {
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src: {
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type: String,
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default: ''
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},
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autoplay: {
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type: Boolean,
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default: false
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},
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loop: {
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type: Boolean,
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default: false
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},
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controls: {
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type: Boolean,
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default: false
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},
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objectFit: {
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type: String,
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default: 'contain'
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},
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muted: {
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type: Boolean,
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default: false
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},
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playbackRate: {
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type: Number,
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default: 1
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},
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isLoading: {
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type: Boolean,
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default: false
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},
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poster: {
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type: String,
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default: ''
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},
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id: {
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type: String,
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default: ''
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}
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},
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data() {
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return {
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randomNum: Math.floor(Math.random() * 100000000),
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videoSrc: '',
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// 父组件向子组件传递的事件指令（video的原生事件）
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eventCommand: null,
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// 父组件传递过来的，对 renderjs 层的函数执行（对视频控制的自定义事件）
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renderFunc: {
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name: null,
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params: null
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},
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// 提供给父组件进行获取的视频属性
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currentTime: 0,
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duration: 0,
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playing: false
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}
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},
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watch: {
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// 监听视频资源地址更新
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src: {
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handler(val) {
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if (!val) return
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setTimeout(() => {
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this.videoSrc = val
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}, 0)
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},
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immediate: true
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}
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},
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computed: {
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videoWrapperId() {
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return `video-wrapper-${this.randomNum}`
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},
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// 聚合视图层的所有数据变化，传给renderjs的渲染层
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viewportProps() {
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return {
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autoplay: this.autoplay,
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muted: this.muted,
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controls: this.controls,
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loop: this.loop,
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objectFit: this.objectFit,
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poster: this.poster,
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isLoading: this.isLoading,
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playbackRate: this.playbackRate
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}
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}
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},
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// 方法
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methods: {
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// 传递事件指令给父组件
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eventEmit({ event, data }) {
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this.$emit(event, data)
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},
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// 修改view视图层的data数据
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setViewData({ key, value }) {
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key && this.$set(this, key, value)
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},
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// 重置事件指令
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resetEventCommand() {
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this.eventCommand = null
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},
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// 播放指令
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play() {
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this.eventCommand = 'play'
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},
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// 暂停指令
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pause() {
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this.eventCommand = 'pause'
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},
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// 重置自定义函数指令
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resetFunc() {
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this.renderFunc = {
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name: null,
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params: null
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}
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},
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// 自定义函数 - 移除视频
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remove(params) {
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this.renderFunc = {
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name: 'removeHandler',
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params
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}
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},
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// 自定义函数 - 全屏播放
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fullScreen(params) {
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this.renderFunc = {
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name: 'fullScreenHandler',
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params
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}
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},
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// 自定义函数 - 跳转到指定时间点
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toSeek(sec, isDelay = false) {
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this.renderFunc = {
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name: 'toSeekHandler',
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params: { sec, isDelay }
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}
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}
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}
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}
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</script>
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<script module="domVideoPlayer" lang="renderjs">
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const PLAYER_ID = 'DOM_VIDEO_PLAYER'
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export default {
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data() {
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return {
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num: '',
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videoEl: null,
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loadingEl: null,
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// 延迟生效的函数
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delayFunc: null,
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renderProps: {}
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}
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},
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computed: {
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playerId() {
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return `${PLAYER_ID}_${this.num}`
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},
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wrapperId() {
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return `video-wrapper-${this.num}`
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}
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},
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methods: {
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isApple() {
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const ua = navigator.userAgent.toLowerCase()
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return ua.indexOf('iphone') !== -1 || ua.indexOf('ipad') !== -1
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},
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async initVideoPlayer(src) {
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this.delayFunc = null
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await this.$nextTick()
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if (!src) return
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if (this.videoEl) {
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// 切换视频源
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if (!this.isApple() && this.loadingEl) {
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this.loadingEl.style.display = 'block'
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}
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this.videoEl.src = src
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return
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}
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const videoEl = document.createElement('video')
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this.videoEl = videoEl
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// 开始监听视频相关事件
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this.listenVideoEvent()
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const { autoplay, muted, controls, loop, playbackRate, objectFit, poster } = this.renderProps
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videoEl.src = src
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videoEl.autoplay = autoplay
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videoEl.controls = controls
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videoEl.loop = loop
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videoEl.muted = muted
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videoEl.playbackRate = playbackRate
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videoEl.id = this.playerId
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// videoEl.setAttribute('x5-video-player-type', 'h5')
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videoEl.setAttribute('preload', 'auto')
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videoEl.setAttribute('playsinline', true)
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videoEl.setAttribute('webkit-playsinline', true)
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videoEl.setAttribute('crossorigin', 'anonymous')
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videoEl.setAttribute('controlslist', 'nodownload')
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videoEl.setAttribute('disablePictureInPicture', true)
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videoEl.style.objectFit = objectFit
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poster && (videoEl.poster = poster)
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videoEl.style.width = '100%'
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videoEl.style.height = '100%'
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// 插入视频元素
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// document.getElementById(this.wrapperId).appendChild(videoEl)
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const playerWrapper = document.getElementById(this.wrapperId)
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playerWrapper.insertBefore(videoEl, playerWrapper.firstChild)
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// 插入loading 元素（遮挡安卓的默认加载过程中的黑色播放按钮）
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this.createLoading()
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},
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// 创建 loading
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createLoading() {
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const { isLoading } = this.renderProps
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if (!this.isApple() && isLoading) {
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const loadingEl = document.createElement('div')
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this.loadingEl = loadingEl
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loadingEl.className = 'loading-wrapper'
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loadingEl.style.position = 'absolute'
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loadingEl.style.top = '0'
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loadingEl.style.left = '0'
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loadingEl.style.zIndex = '1'
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loadingEl.style.width = '100%'
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loadingEl.style.height = '100%'
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loadingEl.style.backgroundColor = 'black'
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document.getElementById(this.wrapperId).appendChild(loadingEl)
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// 创建 loading 动画
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const animationEl = document.createElement('div')
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animationEl.className = 'loading'
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animationEl.style.zIndex = '2'
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animationEl.style.position = 'absolute'
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animationEl.style.top = '50%'
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animationEl.style.left = '50%'
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animationEl.style.marginTop = '-15px'
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animationEl.style.marginLeft = '-15px'
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animationEl.style.width = '30px'
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animationEl.style.height = '30px'
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animationEl.style.border = '2px solid #FFF'
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animationEl.style.borderTopColor = 'rgba(255, 255, 255, 0.2)'
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animationEl.style.borderRightColor = 'rgba(255, 255, 255, 0.2)'
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animationEl.style.borderBottomColor = 'rgba(255, 255, 255, 0.2)'
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animationEl.style.borderRadius = '100%'
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animationEl.style.animation = 'circle infinite 0.75s linear'
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loadingEl.appendChild(animationEl)
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// 创建 loading 动画所需的 keyframes
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const style = document.createElement('style')
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const keyframes = `
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@keyframes circle {
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0% {
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transform: rotate(0);
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}
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100% {
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transform: rotate(360deg);
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}
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}
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`
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style.type = 'text/css'
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if (style.styleSheet) {
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style.styleSheet.cssText = keyframes
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} else {
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style.appendChild(document.createTextNode(keyframes))
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}
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document.head.appendChild(style)
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}
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},
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// 监听视频相关事件
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listenVideoEvent() {
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// 播放事件监听
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const playHandler = () => {
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this.$ownerInstance.callMethod('eventEmit', { event: 'play' })
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this.$ownerInstance.callMethod('setViewData', {
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key: 'playing',
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value: true
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})
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if (this.loadingEl) {
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this.loadingEl.style.display = 'none'
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}
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}
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this.videoEl.removeEventListener('play', playHandler)
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this.videoEl.addEventListener('play', playHandler)
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// 暂停事件监听
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const pauseHandler = () => {
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this.$ownerInstance.callMethod('eventEmit', { event: 'pause' })
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this.$ownerInstance.callMethod('setViewData', {
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key: 'playing',
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value: false
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})
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}
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this.videoEl.removeEventListener('pause', pauseHandler)
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this.videoEl.addEventListener('pause', pauseHandler)
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// 结束事件监听
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const endedHandler = () => {
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this.$ownerInstance.callMethod('eventEmit', { event: 'ended' })
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this.$ownerInstance.callMethod('resetEventCommand')
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}
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this.videoEl.removeEventListener('ended', endedHandler)
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this.videoEl.addEventListener('ended', endedHandler)
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// 加载完成事件监听
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const canPlayHandler = () => {
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this.$ownerInstance.callMethod('eventEmit', { event: 'canplay' })
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this.execDelayFunc()
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}
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this.videoEl.removeEventListener('canplay', canPlayHandler)
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this.videoEl.addEventListener('canplay', canPlayHandler)
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// 加载失败事件监听
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const errorHandler = (e) => {
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if (this.loadingEl) {
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this.loadingEl.style.display = 'block'
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}
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this.$ownerInstance.callMethod('eventEmit', { event: 'error' })
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}
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this.videoEl.removeEventListener('error', errorHandler)
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this.videoEl.addEventListener('error', errorHandler)
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// loadedmetadata 事件监听
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const loadedMetadataHandler = () => {
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this.$ownerInstance.callMethod('eventEmit', { event: 'loadedmetadata' })
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// 获取视频的长度
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const duration = this.videoEl.duration
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this.$ownerInstance.callMethod('eventEmit', {
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event: 'durationchange',
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data: duration
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})
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this.$ownerInstance.callMethod('setViewData', {
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key: 'duration',
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value: duration
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})
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// 加载首帧视频 模拟出封面图
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this.loadFirstFrame()
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}
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this.videoEl.removeEventListener('loadedmetadata', loadedMetadataHandler)
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this.videoEl.addEventListener('loadedmetadata', loadedMetadataHandler)
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// 播放进度监听
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const timeupdateHandler = (e) => {
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const currentTime = e.target.currentTime
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this.$ownerInstance.callMethod('eventEmit', {
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event: 'timeupdate',
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data: currentTime
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})
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this.$ownerInstance.callMethod('setViewData', {
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key: 'currentTime',
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value: currentTime
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})
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}
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this.videoEl.removeEventListener('timeupdate', timeupdateHandler)
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this.videoEl.addEventListener('timeupdate', timeupdateHandler)
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// 倍速播放监听
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const ratechangeHandler = (e) => {
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const playbackRate = e.target.playbackRate
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this.$ownerInstance.callMethod('eventEmit', {
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event: 'ratechange',
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data: playbackRate
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})
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}
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this.videoEl.removeEventListener('ratechange', ratechangeHandler)
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this.videoEl.addEventListener('ratechange', ratechangeHandler)
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// 全屏事件监听
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if (this.isApple()) {
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const webkitbeginfullscreenHandler = () => {
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const presentationMode = this.videoEl.webkitPresentationMode
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let isFullScreen = null
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if (presentationMode === 'fullscreen') {
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isFullScreen = true
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} else {
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isFullScreen = false
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}
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this.$ownerInstance.callMethod('eventEmit', {
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event: 'fullscreenchange',
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data: isFullScreen
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})
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}
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this.videoEl.removeEventListener('webkitpresentationmodechanged', webkitbeginfullscreenHandler)
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this.videoEl.addEventListener('webkitpresentationmodechanged', webkitbeginfullscreenHandler)
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} else {
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const fullscreenchangeHandler = () => {
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let isFullScreen = null
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if (document.fullscreenElement) {
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isFullScreen = true
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} else {
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isFullScreen = false
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}
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this.$ownerInstance.callMethod('eventEmit', {
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event: 'fullscreenchange',
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data: isFullScreen
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})
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}
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document.removeEventListener('fullscreenchange', fullscreenchangeHandler)
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document.addEventListener('fullscreenchange', fullscreenchangeHandler)
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}
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},
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// 加载首帧视频，模拟出封面图
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loadFirstFrame() {
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let { autoplay, muted } = this.renderProps
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if (this.isApple()) {
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this.videoEl.play()
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if (!autoplay) {
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this.videoEl.pause()
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}
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} else {
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// optimize: timeout 延迟调用是为了规避控制台的`https://goo.gl/LdLk22`这个报错
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/**
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* 原因：chromium 内核中，谷歌协议规定，视频不允许在非静音状态下进行自动播放
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* 解决：在自动播放时，先将视频静音，然后延迟调用 play 方法，播放视频
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* 说明：iOS 的 Safari 内核不会有这个，仅在 Android 设备出现，即使有这个报错也不影响的，所以不介意控制台报错的话是可以删掉这个 timeout 的
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*/
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this.videoEl.muted = true
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setTimeout(() => {
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this.videoEl.play()
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this.videoEl.muted = muted
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if (!autoplay) {
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setTimeout(() => {
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this.videoEl.pause()
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}, 100)
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}
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}, 10)
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}
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},
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triggerCommand(eventType) {
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if (eventType) {
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this.$ownerInstance.callMethod('resetEventCommand')
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this.videoEl && this.videoEl[eventType]()
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}
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},
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triggerFunc(func) {
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const { name, params } = func || {}
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if (name) {
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this[name](params)
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this.$ownerInstance.callMethod('resetFunc')
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}
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},
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removeHandler() {
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if (this.videoEl) {
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this.videoEl.pause()
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this.videoEl.src = ''
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this.$ownerInstance.callMethod('setViewData', {
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key: 'videoSrc',
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value: ''
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})
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this.videoEl.load()
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}
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},
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fullScreenHandler() {
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if (this.isApple()) {
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this.videoEl.webkitEnterFullscreen()
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} else {
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this.videoEl.requestFullscreen()
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}
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},
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toSeekHandler({ sec, isDelay }) {
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const func = () => {
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if (this.videoEl) {
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this.videoEl.currentTime = sec
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}
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}
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// 延迟执行
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if (isDelay) {
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this.delayFunc = func
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} else {
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func()
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}
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},
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// 执行延迟函数
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execDelayFunc() {
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this.delayFunc && this.delayFunc()
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this.delayFunc = null
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},
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viewportChange(props) {
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this.renderProps = props
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const { autoplay, muted, controls, loop, playbackRate } = props
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if (this.videoEl) {
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this.videoEl.autoplay = autoplay
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this.videoEl.controls = controls
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this.videoEl.loop = loop
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this.videoEl.muted = muted
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this.videoEl.playbackRate = playbackRate
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}
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},
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randomNumChange(val) {
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this.num = val
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}
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}
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}
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</script>
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<style scoped>
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.player-wrapper {
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overflow: hidden;
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height: 100%;
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padding: 0;
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position: relative;
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}
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</style>
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