cansnow
116 lines
2.6 KiB
Vue
116 lines
2.6 KiB
Vue
<template>
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<view class="picture_message_container" @click="clickMediaItem">
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<u--image
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:showLoading="true"
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width="120"
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:height="maxHeight"
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mode="widthFix"
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v-if="src"
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:src="src"
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@load="onLoaded"
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@click="clickMediaItem">
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<template v-slot:loading>
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<u-loading-icon color="red"></u-loading-icon>
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</template>
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</u--image>
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<u--image
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v-else
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:showLoading="true"
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width="120"
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mode="widthFix"
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src="/static/images/sync_error.png">
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</u--image>
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</view>
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</template>
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<script>
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import util from "@/util"
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import md5 from "md5";
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export default {
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name: "PictureMessageContainer",
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props: {
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message: Object,
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conversationID:String,
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},
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data() {
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//console.log(this.message);
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return {
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loadingWidth: "120px",
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src:"",
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coverCachePath:"",
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coverDownloading:false,
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coverExists:false,
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coverDownloadProgress:"",
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};
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},
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computed: {
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maxHeight() {
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const imageHeight = this.message.pictureElem.sourcePicture.height;
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const imageWidth = this.message.pictureElem.sourcePicture.width;
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const aspectRatio = imageHeight / imageWidth;
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return 120 * aspectRatio;
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}
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},
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created() {
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this.init();
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},
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methods: {
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async init(){
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const self = this;
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let url = "";
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const pictureElem = this.message.pictureElem;
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// 如果有远程 snapshotUrl，则下载到 coverCachePath
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let snapshotUrl = pictureElem?.sourcePath;
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if(snapshotUrl && await util.fileExsit(snapshotUrl)){
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self.src = snapshotUrl;
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return ;
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}
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snapshotUrl = (pictureElem?.sourcePicture.url ?? pictureElem.bigPicture?.url);
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if(!snapshotUrl){
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console.log(this.message);
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return;
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}
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console.log(snapshotUrl);
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util.cacheFile(snapshotUrl,`${this.conversationID}`).then((fn)=>{
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self.coverDownloading = false;
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self.src = fn;
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console.log(fn);
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});
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},
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getShowPath(url){
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return new Promise((resolve,reject)=>{
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if(url.startsWith('file')||url.startsWith('_')||url.startsWith('http')||url.startsWith('blob')){
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return resolve(url);
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}
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plus.io.resolveLocalFileSystemURL(url, function(entry) {
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return resolve(entry.toLocalURL());
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}, function(e) {
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console.log(e);
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resolve(url);
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});
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});
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},
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clickMediaItem() {
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uni.previewImage({
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current: 0,
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//urls: [this.message.pictureElem.sourcePicture.url],
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urls: [this.src],
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indicator: "none",
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});
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},
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onLoaded() {
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this.loadingWidth = "auto";
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},
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},
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};
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</script>
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<style lang="scss" scoped>
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.picture_message_container {
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position: relative;
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border-radius: 16rpx;
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overflow: hidden;
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}
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</style> |