init
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<template>
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<view>
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</view>
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</template>
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<script lang="uts">
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import { CameraView } from './camera';
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import { CameraConfig } from '../interface'
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import { CameraManager } from './CameraManager';
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//原生提供以下属性或方法的实现
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export default {
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/**
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* 组件名称,也就是开发者使用的标签
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*/
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name: "xf-camera",
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/**
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* 组件涉及的事件声明,只有声明过的事件,才能被正常发送
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*/
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emits: ['stop', 'error', 'ready'],
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/**
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* 属性声明,组件的使用者会传递这些属性值到组件
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*/
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props: {
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"mode": {
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type: String,
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default: "normal"
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},
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"resolution": {
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type: String,
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default: "medium" // low | high
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},
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"position": {
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type: String,
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default: "back" // front前置 |back 后置
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},
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"flash": {
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type: String,
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default: "auto" // auto, on, off, torch
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},
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"frameSize": {
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type: String,
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default: "medium" // small|large
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}
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},
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/**
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* 组件内部变量声明
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*/
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data() {
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return {}
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},
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/**
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* 属性变化监听器实现
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*/
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watch: {
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"position": {
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/**
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* 这里监听属性变化,并进行组件内部更新
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*/
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handler(newValue : string, _ : string) {
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this.$el?.switchCamera(newValue)
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},
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immediate: false // 创建时是否通过此方法更新属性,默认值为false
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},
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"flash": {
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/**
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* 这里监听属性变化,并进行组件内部更新
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*/
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handler(newValue : string, _ : string) {
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this.$el?.setFlash(newValue)
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},
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immediate: false // 创建时是否通过此方法更新属性,默认值为false
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}
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},
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/**
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* 规则:如果没有配置expose,则methods中的方法均对外暴露,如果配置了expose,则以expose的配置为准向外暴露
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* ['publicMethod'] 含义为:只有 `publicMethod` 在实例上可用
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*/
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expose: [],
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methods: {
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},
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/**
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* [可选实现] 组件被创建,组件第一个生命周期,
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* 在内存中被占用的时候被调用,开发者可以在这里执行一些需要提前执行的初始化逻辑
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*/
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created() {
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},
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/**
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* [可选实现] 对应平台的view载体即将被创建,对应前端beforeMount
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*/
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NVBeforeLoad() {
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},
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/**
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* [必须实现] 创建原生View,必须定义返回值类型
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* 开发者需要重点实现这个函数,声明原生组件被创建出来的过程,以及最终生成的原生组件类型
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* (Android需要明确知道View类型,需特殊校验)
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*/
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NVLoad() : CameraView {
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let previewView = new CameraView(this.$androidContext!, this)
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previewView.setTag("9527");
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CameraManager.getInstance().setCameraView(previewView);
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return previewView
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},
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/**
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* [可选实现] 原生View已创建
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*/
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NVLoaded() {
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},
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/**
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* [可选实现] 原生View布局完成
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*/
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NVLayouted() {
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this.$el?.setConfig({
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resolution: this.resolution,
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frameSize: this.frameSize,
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flash: this.flash
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} as CameraConfig)
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this.$el?.switchCamera(this.position)
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},
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/**
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* [可选实现] 原生View将释放
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*/
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NVBeforeUnload() {
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let ret : Map<string, any> = new Map();
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this.$emit('stop', ret)
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this.$el?.unbindCamera()
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},
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/**
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* [可选实现] 原生View已释放,这里可以做释放View之后的操作
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*/
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NVUnloaded() {
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CameraManager.getInstance().dispose();
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},
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/**
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* [可选实现] 组件销毁
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*/
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unmounted() {
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},
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}
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</script>
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<style>
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</style>
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