一、封裝公用方法

const Common = require(‘../../window/common.js‘);
const { ipcRenderer, remote } = require(‘electron‘);
const WinReg = require(‘winreg‘);
const RUN_LOCATION = ‘\\Software\\Microsoft\\Windows\\CurrentVersion\\Run‘;
const file = process.execPath;

let flashTrayTimer = null;

class WindowUtil{
    // 窗口最小化
    static minWindow() {
        remote.getCurrentWindow().minimize();
    }
    // 窗口最大化
    static maxWindow(isMaxed) {
        const browserWindow = remote.getCurrentWindow();
        if(!isMaxed) {
            browserWindow.unmaximize();
        } else {
            browserWindow.maximize();
        }
    }
    // 設置窗口是否能改變大小，參數true/false
    static setResizable(resizable) {
        remote.getCurrentWindow().setResizable(resizable);
    }
    // 下載文件
    static download(url){
        remote.getCurrentWebContents().downloadURL(url);
    }

    // 隱藏窗口
    static hide(){
        const browserWindow = remote.getCurrentWindow();
        browserWindow.hide();
    }

    // 顯示窗口
    static show(){
        const browserWindow = remote.getCurrentWindow();
        browserWindow.show();
    }
    // 窗口閃爍
    static flashFrame(){
        const browserWindow = remote.getCurrentWindow();
     //   if(browserWindow.isFocused() || browserWindow.isVisible())
        if(!browserWindow.isFocused()) {
            browserWindow.showInactive();
            browserWindow.flashFrame(true);
        }
    }
    // 設置窗口最前端顯示
    static setAlwaysOnTop(top){
        const browserWindow = remote.getCurrentWindow();
        browserWindow.setAlwaysOnTop(top);
    }

    // 設置開機啟動
    static enableAutoStart(callback) {
        let key = new WinReg({hive: WinReg.HKCU, key: RUN_LOCATION});
        key.set(‘EUC‘, WinReg.REG_SZ, file, (err)=> {
            console.log(‘設置自動啟動‘+err);
            callback(err);
        });
    }
    // 取消開機啟動
    static disableAutoStart(callback) {
        let key = new WinReg({hive: WinReg.HKCU, key: RUN_LOCATION});
        key.remove(‘EUC‘,  (err)=>{
            console.log(‘取消自動啟動‘+err);
            callback(err);
        });
    }
    // 獲取是否開機啟動
    static getAutoStartValue(callback) {
        let key = new WinReg({hive: WinReg.HKCU, key: RUN_LOCATION});
        key.get(‘EUC‘, function (error, result) {
            console.log("查詢自動啟動:"+JSON.stringify(result));
            console.log("file:"+file);
            if (result) {
                callback(true);
            }
            else {
                callback(false);
            }
        });
    }

    /**
     * 托盤圖標閃爍
     * @param flash true：閃爍；false：停止
     */
    static flashTray(flash) {
        let hasIcon = false;
        const tayIcon = ‘./imgs/logo.ico‘;
        const tayIcon1 = ‘./imgs/empty.png‘;
        if (flash) {
            if (flashTrayTimer) {
                return;
            }
            flashTrayTimer = window.setInterval(() => {
                ipcRenderer.send(‘ChangeTrayIcon‘, hasIcon ? tayIcon : tayIcon1);
                hasIcon = !hasIcon;
            }, 500);
        } else {
            if(flashTrayTimer) {
                window.clearInterval(flashTrayTimer);
                flashTrayTimer = null;
            }
            ipcRenderer.send(‘ChangeTrayIcon‘, tayIcon);
        }
    }


}
module.exports = WindowUtil;