<template>
  <!-- #ifdef APP -->
  <scroll-view style="flex:1">
  <!-- #endif -->
    <page-head title="setInnerAudioOption"></page-head>
    <text style="margin-left: 8px">是否允许与其他音频同时播放</text>
    <radio-group class="uni-flex" style="margin:8px" @change="onMixChanged">
      <radio value="1" :checked="true">是</radio>
      <radio value="0" style="margin-left: 16px">否</radio>
    </radio-group>
    <view style="padding: 8px 8px;">
      <button @click="playBackgroundMusic" type="primary">播放背景音频</button>
      <button @click="playInnerMusic" style="margin-top: 8px">播放音频</button>
    </view>
    <view style="padding: 16px 8px;">
      <view class="uni-row">
        <view>1. </view>uni.setInnerAudioOption需要与uni.createInnerAudioContext搭配才会生效
      </view>
      <view class="uni-row">
        <view>2. </view>设置mixWithOther为true时，会暂停其他App的音频和背景音频
      </view>
    </view>
  <!-- #ifdef APP -->
  </scroll-view>
  <!-- #endif -->
</template>

<script>
  export default {
    data() {
      return {
        backgroundManager: null as BackgroundAudioManager | null,
        innerAudio: null as InnerAudioContext | null,
        isBackgroundAudioPaused: false
      }
    },
    onUnload() {
      this.backgroundManager?.stop()
      this.innerAudio?.stop()
    },
    methods: {
      playBackgroundMusic() {
        if (this.backgroundManager == null) {
          this.backgroundManager = uni.getBackgroundAudioManager()
          this.backgroundManager.onPause(() => {
            this.isBackgroundAudioPaused = true
          })
        } else {
          this.backgroundManager!.stop()
        }
        this.backgroundManager!.src = 'https://web-ext-storage.dcloud.net.cn/uni-app/ForElise.mp3'
        this.backgroundManager!.coverImgUrl = 'https://qiniu-web-assets.dcloud.net.cn/unidoc/zh/music-a.png';
        this.backgroundManager!.play()
      },
      playInnerMusic() {
        if (this.innerAudio == null)
          this.innerAudio = uni.createInnerAudioContext()
        else {
          this.innerAudio!.stop()
        }
        this.innerAudio!.src = 'https://web-ext-storage.dcloud.net.cn/uni-app/ForElise.mp3'
        this.innerAudio!.play()
      },
      onMixChanged(event : UniRadioGroupChangeEvent) {
        uni.setInnerAudioOption({
          mixWithOther: event.detail.value == "1"
        })
      },
      testInnerAudioOption() {
        uni.setInnerAudioOption({
          mixWithOther: false
        })
      }
    }
  }
</script>

<style>

</style>