box-client/assets/script/launch/view/HotUpdateProgress.js

const JMLoadProgressBar = require('JMLoadProgressBar');

// 热更新进度条
cc.Class({
    editor: {
        menu: 'Launch/HotUpdateProgress'
    },

    extends: cc.Component,

    properties: {
        loadProgressBar: JMLoadProgressBar
    },

    onLoad () {
        this.status = JMC.UPDATE_STATUS.UNSTART;
        let remoteUpdateInfo = G.RemoteUpdateInfoMgr.remoteUpdateInfo || {};
        this.isForceUpdate = remoteUpdateInfo.newResForce;
    },

    onEnable () {
        cc.game.on('e_mgr_launch_update_progression', this._handleUpdateProgression, this);
        cc.game.on('e_mgr_launch_update_finished', this._handleUpdateFinished, this);
        cc.game.on('e_mgr_launch_update_failed', this._handleUpdateFailed, this);

        this.reloadView();
    },

    onDisable () {
        cc.game.targetOff(this);
    },

    // 刷新进度
    reloadView () {
        let status = G.HotUpdateMgr.status;

        if (this.status != status) {
            this.status =  status;
        }

        if (status == JMC.UPDATE_STATUS.DOWNLOAD_FINISHED) {
            this._setProgress(1);
        } else if (status == JMC.UPDATE_STATUS.DOWNLOAD_FAILED) {
            this._setProgress(1);
        } else {
            let realTotalBytes = G.HotUpdateMgr.realTotalBytes;
            let downloadedBytes = G.HotUpdateMgr.downloadedBytes;
            let progress = downloadedBytes / realTotalBytes;
            this._setProgress(progress);
        }
    },

    // 进度
    _setProgress (progress) {
        this.loadProgressBar.setProgress(0.1, progress);
    },

    // 调整到下一个场景
    _loadScene (sceneName) {
        if (this._endScene) { // 避免重复跳转
            return;
        }
        this._endScene = true;

        G.AppUtils.loadScene(sceneName);
    },

    // 热更新 进度更新
    _handleUpdateProgression () {
        this.reloadView();
    },

    // 热更新 更新完成
    _handleUpdateFinished () {
        this.reloadView();
    },

    // 热更新 更新失败
    _handleUpdateFailed () {
        this.reloadView();
    }
});