blog-admin-web/src/views/api/aplayer/components/aplayer-thumbnail.vue

137 lines
3.2 KiB
Vue

<template>
<div
class="aplayer-pic"
:style="{backgroundColor: theme}"
@mousedown="onDragBegin"
@click="onClick"
>
<img v-if="pic" ref="thumbnailPic" :src="pic" @load="imgLoad" />
<div class="aplayer-button" :class="playing ? 'aplayer-pause' : 'aplayer-play'">
<icon-button
:icon="playing ? 'pause' : 'play'"
:class="playing ? 'aplayer-icon-pause' : 'aplayer-icon-play'"
/>
</div>
</div>
</template>
<script lang="ts" setup>
import { ref, watch } from 'vue'
import IconButton from './aplayer-iconbutton.vue'
import { themeColor } from '../utils'
const props = withDefaults(defineProps<{
pic?: string
theme: string
playing: boolean
enableDrag: boolean
}>(), {
playing: false,
enableDrag: false
})
const emit = defineEmits(['dragbegin', 'dragging', 'dragend', 'toggleplay', 'adaptingTheme'])
const hasMovedSinceMouseDown = ref(false)
const dragStartX = ref(0)
const dragStartY = ref(0)
const thumbnailPic = ref<unknown>(null)
const onDragBegin = (e: MouseEvent) => {
if (props.enableDrag) {
hasMovedSinceMouseDown.value = false
emit('dragbegin')
dragStartX.value = e.clientX
dragStartY.value = e.clientY
document.addEventListener('mousemove', onDocumentMouseMove)
document.addEventListener('mouseup', onDocumentMouseUp)
}
}
const onDocumentMouseMove = (e: MouseEvent) => {
hasMovedSinceMouseDown.value = true
emit('dragging', {offsetLeft: e.clientX - dragStartX.value, offsetTop: e.clientY - dragStartY.value})
}
const onDocumentMouseUp = () => {
document.removeEventListener('mouseup', onDocumentMouseUp)
document.removeEventListener('mousemove', onDocumentMouseMove)
emit('dragend')
}
const onClick = () => {
if (!hasMovedSinceMouseDown.value) {
emit('toggleplay')
}
}
const imgLoad = () => {
const color = themeColor(<HTMLImageElement>thumbnailPic.value)
emit('adaptingTheme', `rgb(${color.r},${color.g},${color.b})`)
}
watch(() => props.pic, (pic?: string) => {
if (!pic) emit('adaptingTheme', null)
}, { immediate: true })
</script>
<style lang="less" scoped>
@import "../less/variables";
.aplayer-float {
.aplayer-pic:active {
cursor: move;
}
}
.aplayer-pic {
flex-shrink: 0;
position: relative;
height: @aplayer-height;
width: @aplayer-height;
transition: all 0.3s ease;
cursor: pointer;
&:hover {
.aplayer-button {
opacity: 1;
}
}
.aplayer-button {
position: absolute;
border-radius: 50%;
opacity: 0.8;
text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
background: rgba(0, 0, 0, 0.2);
transition: all 0.1s ease;
.aplayer-fill {
fill: #fff;
}
}
.aplayer-play {
width: 26px;
height: 26px;
border: 2px solid #fff;
bottom: 50%;
right: 50%;
margin: 0 -15px -15px 0;
.aplayer-icon-play {
position: absolute;
top: 3px;
left: 4px;
height: 20px;
width: 20px;
}
}
.aplayer-pause {
width: 16px;
height: 16px;
border: 2px solid #fff;
bottom: 4px;
right: 4px;
.aplayer-icon-pause {
position: absolute;
top: 2px;
left: 2px;
height: 12px;
width: 12px;
}
}
img {
width: 100%;
height: 100%;
}
}
</style>