liaoxujun@qq.com
2024-03-05 f0ca9fb79a91544c037c55a291be00e8c469bf34
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// #ifdef APP-NVUE
import { sleep, getImageInfo, isBase64, useNvue, networkReg } from './utils';
const dom = weex.requireModule('dom')
import {version } from '../../package.json'
 
export default {
    data() {
        return {
            tempFilePath: [],
            isInitFile: false,
            osName: uni.getSystemInfoSync().osName
        }
    },
    created() {
        // if (this.hybrid) return
        // useNvue('_doc/uni_modules/lime-painter/', version, this.timeout).then(res => {
        //     this.isInitFile = true
        // })
    },
    methods: {
        getParentWeith() {
            return new Promise(resolve => {
                dom.getComponentRect(this.$refs.limepainter, (res) => {
                    this.parentWidth = Math.ceil(res.size.width)
                    this.canvasWidth = this.canvasWidth || this.parentWidth ||300
                    this.canvasHeight = res.size.height || this.canvasHeight||150
                    resolve(res.size)
                })
            })
        },
        onPageFinish() {
            this.webview = this.$refs.webview
            this.webview.evalJS(`init(${this.dpr})`)
        },
        onMessage(e) {
            const res = e.detail.data[0] || null;
            if (res.event) {
                if (res.event == 'inited') {
                    this.inited = true
                }
                if(res.event == 'fail'){
                    this.$emit('fail', res)
                }
                if (res.event == 'layoutChange') {
                    const data = typeof res.data == 'string' ? JSON.parse(res.data) : res.data
                    this.canvasWidth = Math.ceil(data.width);
                    this.canvasHeight = Math.ceil(data.height);
                }
                if (res.event == 'progressChange') {
                    this.progress = res.data * 1
                }
                if (res.event == 'file') {
                    this.tempFilePath.push(res.data)
                    if (this.tempFilePath.length > 7) {
                        this.tempFilePath.shift()
                    }
                    return
                }
                if (res.event == 'success') {
                    if (res.data) {
                        this.tempFilePath.push(res.data)
                        if (this.tempFilePath.length > 8) {
                            this.tempFilePath.shift()
                        }
                        if (this.isCanvasToTempFilePath) {
                            this.setFilePath(this.tempFilePath.join(''), {isEmit:true})
                        }
                    } else {
                        this.$emit('fail', 'canvas no data')
                    }
                    return
                }
                this.$emit(res.event, JSON.parse(res.data));
            } else if (res.file) {
                this.file = res.data;
            } else{
                console.info(res[0])
            }
        },
        getWebViewInited() {
            if (this.inited) return Promise.resolve(this.inited);
            return new Promise((resolve) => {
                this.$watch(
                    'inited',
                    async val => {
                        if (val) {
                            resolve(val)
                        }
                    }, {
                        immediate: true
                    }
                );
            })
        },
        getTempFilePath() {
            if (this.tempFilePath.length == 8) return Promise.resolve(this.tempFilePath)
            return new Promise((resolve) => {
                this.$watch(
                    'tempFilePath',
                    async val => {
                        if (val.length == 8) {
                            resolve(val.join(''))
                        }
                    }
                );
            })
        },
        getWebViewDone() {
            if (this.progress == 1) return Promise.resolve(this.progress);
            return new Promise((resolve) => {
                this.$watch(
                    'progress',
                    async val => {
                        if (val == 1) {
                            this.$emit('done')
                            this.done = true
                            resolve(val)
                        }
                    }, {
                        immediate: true
                    }
                );
            })
        },
        async render(args) {
            try {
                await this.getSize(args)
                const {width} = args.css || args
                if(!width && this.parentWidth) {
                    Object.assign(args, {width: this.parentWidth})
                }
                const newNode = await this.calcImage(args);
                await this.getWebViewInited()
                this.webview.evalJS(`source(${JSON.stringify(newNode)})`)
                await this.getWebViewDone()
                await sleep(this.afterDelay)
                if (this.isCanvasToTempFilePath) {
                    const params = {
                        fileType: this.fileType,
                        quality: this.quality
                    }
                    this.webview.evalJS(`save(${JSON.stringify(params)})`)
                }
                return Promise.resolve()
            } catch (e) {
                this.$emit('fail', e)
            }
        },
        getfile(e){
            let url = plus.io.convertLocalFileSystemURL( e )
            return new Promise((resolve,reject)=>{
                plus.io.resolveLocalFileSystemURL(url, entry => {
                    var reader = null;
                    entry.file( file => {
                        reader = new plus.io.FileReader();
                        reader.onloadend =  ( read )=> {
                            resolve(read.target.result)
                        };
                        reader.readAsDataURL( file );
                    }, function ( error ) {
                        alert( error.message );
                    } );
                },err=>{
                    resolve(e)
                })
            })
        },
        async calcImage(args) {
            let node = JSON.parse(JSON.stringify(args))
            const urlReg = /url\((.+)\)/
            const {backgroundImage} = node.css||{}
            const isBG = backgroundImage && urlReg.exec(backgroundImage)[1]
            const url = node.url || node.src || isBG
            if(['text', 'qrcode'].includes(node.type)) {
                return node
            }
            if ((node.type === "image" || isBG) && url && !isBase64(url) && (this.osName == 'ios' ? true : !networkReg.test(url))) {
                let {path} = await getImageInfo(url)
                if(this.osName == 'ios') {
                    path = await this.getfile(path)
                }
                if (isBG) {
                    node.css.backgroundImage = `url(${path})`
                } else {
                    node.src = path
                }
            } else if (node.views && node.views.length) {
                for (let i = 0; i < node.views.length; i++) {
                    node.views[i] = await this.calcImage(node.views[i])
                }
            }
            return node
        },
        async canvasToTempFilePath(args = {}) {
            if (!this.inited) {
                return this.$emit('fail', 'no init')
            }
            this.tempFilePath = []
            if (args.fileType == 'jpg') {
                args.fileType = 'jpeg'
            }
            this.webview.evalJS(`save(${JSON.stringify(args)})`)
            try {
                let tempFilePath = await this.getTempFilePath()
                tempFilePath = await this.setFilePath(tempFilePath)
                args.success({
                    errMsg: "canvasToTempFilePath:ok",
                    tempFilePath
                })
            } catch (e) {
                args.fail({
                    error: e
                })
            }
        }
    }
}
// #endif