/**
* @file 拖动进度提示组件
*/
<template>
	<view class="plv-player-drag-tips">
		<view class="plv-player-drag-tips__box">
			<image class="plv-player-drag-tips__direction-img" :src="imgSrc"
				@error="imageError">
			</image>
			<text class="plv-player-drag-tips__time">
				{{changeTimeFormat}} / {{durationFormat}}
			</text>
		</view>
	</view>
</template>

<script>
	import utils from '@/common/util.js';
	import backImg from '@/static/skin/back.png';
	import forwardImg from '@/static/skin/forward.png'
	
	export default {
		props: {
			currentTime: {
				type: Number
			},
			
			duration: {
				type: Number
			},
			
			changeTime: {
				type: Number
			}
		},
		
		data() {
			return {
			  isForward: false
			}
		},
		
			
		watch: {
			changeTime(newValue, oldValue){
				this.isForward = newValue > oldValue;
			}
		},
		
		computed: {
			timeFormatType() {
				this.duration >= 3600 ? 2 : 1;
			},
			
			changeTimeFormat() {
				return utils.formatTimeByDuration(this.changeTime, this.timeFormatType);
			},
			
			durationFormat() {
				return utils.formatTimeByDuration(this.duration, this.timeFormatType)
			},
			
			imgSrc() {
				return this.isForward ? forwardImg : backImg;
			}
		}
	}
</script>

<style>
	.plv-player-drag-tips {
		width: 250rpx;
		height: 160rpx;
		background: rgba(0,0,0,.7);
		border-radius: 10rpx;
	}
	
	.plv-player-drag-tips__box {
		position: absolute;
		top: 0;
		right: 0;
		bottom: 0;
		left: 0;
		justify-content: center;
		align-items: center;
	}
	
	.plv-player-drag-tips__direction-img {
		width: 100rpx;
		height: 100rpx;
	}
	
	.plv-player-drag-tips__time {
		font-size: 24rpx;
		color: #FFFFFF;
	}
</style>