launcher/app/main/ipc.js

const {BrowserWindow, desktopCapturer} = require('electron');
// const {net} = require('electron');
const electron = require('electron');
const ipc = require('electron').ipcMain;
// const screen = require('electron').screen;
const store = require('./windows/lib/store');
const {create: createMainWindow} = require('./windows/main')
// const { create: createLoginWindow } = require('./windows/login')
// const { create: createAppWindow } = require('./windows/app')
const childProcess = require('./child_process')
const {create: openWindow} = require('./windows/application')
// const querystring = require("querystring");
const {MAIN_WINDOW_FLAG, SUSPENSION_WINDOW_FLAG} = require('./constant');
const { ipcRenderer } = require('electron/renderer');
// const installApp = require('./ipc/installApp');
// const getApps = require('./ipc/getApps');
// const removeApp = require('./ipc/removeApp');

// connect redis
// const {createClient} = require('redis')
// ;(async () => {
//     /**
//      * createClient({
//      *   url: 'redis://alice:foobared@awesome.redis.server:6380'
//      * });
//      */
//     const client = createClient(
//         // {
//         //     url: "redis://localhost:3807"
//         // }
//         );
//     // client.on('error', (err) => console.log('Redis Client Error', err));
//     await client.connect()

//     // 订阅者
//     const subscriber = client.duplicate();
//     await subscriber.connect();

//     // 发布者
//     const publisher = client.duplicate()
//     await publisher.connect()

//     // 通过main向外发布消息
//     ipc.on('publishMessage', (events, {channel, ...message}) => {
//         publisher.publish(channel, JSON.stringify(message))
//     })

//     // 订阅外部消息
//     subscriber.subscribe('openMap', message => {
//         const windows = BrowserWindow.getAllWindows()
//         const found = windows.find((window) => {
//             return window[MAIN_WINDOW_FLAG]
//         });
//         found.webContents.send('openMap', JSON.parse(message))
//     })

//     // 订阅外部消息（正则）
//     subscriber.pSubscribe('openMap*', (message, channel) => {
//         const windows = BrowserWindow.getAllWindows()
//         const found = windows.find((window) => {
//             return window[MAIN_WINDOW_FLAG]
//         });
//         found.webContents.send(channel, JSON.parse(message))
//     })
// })();

module.exports = () => {
    let winStartPostion = {x: 0, y: 0};
    let mouseStartPosition = {x: 0, y: 0};
    let movingInterVal = null;
    ipc.on('getUnReadMessage', (events, callback) => {
        const msg = store.get('unReadMessage');
        // console.log('msg', msg);
        const windows = BrowserWindow.getAllWindows()
        const found = windows.find((window) => {
            return window[SUSPENSION_WINDOW_FLAG]
        });
        found.webContents.send("getUnReadMessage", [msg])
    });
    ipc.on('setUnReadMessage', (events, message) => {
        // console.log('set', message);
        store.set('unReadMessage', message);
        // 消息需要实时同步
        const windows = BrowserWindow.getAllWindows()
        const win = windows.find((window) => {
            return window[SUSPENSION_WINDOW_FLAG]
        });
        if (win) {
            // let winWidth = win.getSize()[0];
            let areaSize = require('electron').screen.getPrimaryDisplay().workAreaSize;
            const x = win.getPosition()[0];
            const y = win.getPosition()[1];
            let sWidth = areaSize.width;
            // console.log(sWidth - x);
            if (sWidth - x === 130) {
                win.setSize(410, 130, true);
                win.setPosition(sWidth - 660, y, true);
            }
            win.webContents.send("getUnReadMessage", [message])
        }

    });
    ipc.on("showSuspensionWindow", () => {
        let areaSize = require('electron').screen.getPrimaryDisplay().workAreaSize;
        const windows = BrowserWindow.getAllWindows()
        const win = windows.find((window) => {
            return window[SUSPENSION_WINDOW_FLAG]
        });
        console.log('恢复原始大小')
        win.setSize(410, 130, true);
        const y = win.getPosition()[1];
        win.setPosition(areaSize.width - win.getSize()[0], y, true);
        win.webContents.send("winResize", [win.getSize()])

    })
    ipc.on('resizeWindow', () => {
        let areaSize = require('electron').screen.getPrimaryDisplay().workAreaSize;
        const windows = BrowserWindow.getAllWindows()
        const win = windows.find((window) => {
            return window[SUSPENSION_WINDOW_FLAG]
        });
        const startWidth = win.getSize()[0];
        if (startWidth < 410) {
            const x = win.getPosition()[0];
            const y = win.getPosition()[1];
            win.setSize(410, 130, true);
            if (x > areaSize.width - win.getSize()[0]) {
                win.setPosition(areaSize.width - win.getSize()[0] - 50, y, true);
            }

        }

    });
    ipc.on('windowMoveHandle', (events, canMoving) => {
        const windows = BrowserWindow.getAllWindows()
        const win = windows.find((window) => {
            return window[SUSPENSION_WINDOW_FLAG]
        });
        const screen = require('electron').screen;
        /**
         * 窗口移动事件
         */
        if (!win) return;
        if (canMoving) {
            //读取原位置
            const winPosition = win.getPosition();
            winStartPostion = {x: winPosition[0], y: winPosition[1]};
            mouseStartPosition = screen.getCursorScreenPoint();
            //清除
            if (movingInterVal) {
                clearInterval(movingInterVal);
            }
            //新开
            movingInterVal = setInterval(() => {
                if(!win){
                    clearInterval(movingInterVal);
                    return;
                }
                const cursorPosition = screen.getCursorScreenPoint();
                const x = winStartPostion.x + cursorPosition.x - mouseStartPosition.x;
                const y = winStartPostion.y + cursorPosition.y - mouseStartPosition.y;
                win.setPosition(x, y, true)
            }, 20)
        } else {
            clearInterval(movingInterVal);
            let areaSize = require('electron').screen.getPrimaryDisplay().workAreaSize;
            const x = win.getPosition()[0];
            const y = win.getPosition()[1];
            store.set("position", {x, y});
            let sWidth = areaSize.width;
            let winWidth = win.getSize()[0];
            // console.log(x + winWidth >= sWidth, sWidth - x - winWidth);
            // 靠边吸附效果
            console.log("0000000", x + winWidth >= sWidth, sWidth - x - winWidth <= 20)
            if (x + winWidth >= sWidth || sWidth - x - winWidth <= 20) {
                win.setResizable(true);
                win.setSize(130, 130, true)

                win.setPosition(sWidth - 130, y, true);
                win.setResizable(false);
                console.log("靠边吸附", win.getSize(), win.getPosition())
                //通知渲染进程大小发生改变
            } else {
                win.setSize(410, 130, true)
            }
            win.webContents.send("winResize", [win.getSize()])
            movingInterVal = null;
        }
    });
    ipc.on('showMainWindow', (event, arg) => {
        const windows = BrowserWindow.getAllWindows()
        const found = windows.find((window) => {
            return window[MAIN_WINDOW_FLAG]
        })
        if (found) {
            found.restore();
            found.show();
        } else {
            createMainWindow()
        }
        return true
    });
    ipc.on('hideMainWindow', () => {
        console.log('最小化hideMainWindow');
        const windows = BrowserWindow.getAllWindows()
        const found = windows.find((window) => {
            return window[MAIN_WINDOW_FLAG]
        })
        if (found) {
            found.hide();
        }
        return true
    });
    ipc.on('minimize', () => {
        // const windows = BrowserWindow.getAllWindows()
        // const found = windows.find((window) => {
        //     return window[MAIN_WINDOW_FLAG]
        // })
        // if (found) {
        //     found.minimize();
        // }
        // return true
        try {
            const windows = BrowserWindow.getAllWindows()
            for (let win of windows) {
                win && win.minimize()
            }
        }catch (e) {}
    });

    ipc.on('hideSuspensionWindow', (event, arg) => {
        const windows = BrowserWindow.getAllWindows()
        const found = windows.find((window) => {
            return window[SUSPENSION_WINDOW_FLAG]
        });
        if (found) {
            found.close()
        }
        return true
    });

    ipc.on('openDevTools', (event, arg) => {
        event.sender.webContents.openDevTools()
        return true
    });

    ipc.on('exitSystem', () => {
        console.log('global',global.worker);
        try {
            const windows = BrowserWindow.getAllWindows()

            for (let win of windows) {
                win && win.close()
            }
            global.worker === 'stop'
            store.delete("unReadMessage");
        }catch (e) {

        }
    });
    // ipc.handle('openWidget', (event, widget = {}) => {
    //     createAppWindow(widget)
    //     return true
    // });
    //
    // ipc.handle('openDevTools', (event, arg) => {
    //     event.sender.webContents.openDevTools()
    //     return true
    // });

    // ipc.handle('installApp', installApp);
    //
    // ipc.handle('getApps', getApps);
    //
    // ipc.handle('removeApp', removeApp);

    /* 示例：在网页中调用ipcRenderer模块
    ipcRenderer.send('spawn', {
      command: '微信.exe',
      args: null || ['--disable-cache'],
      key: + new Date // 唯一key，用来做关闭识别,
    })
    */
    ipc.on('spawn', (event, arg) => {
        const {pid, promise} = childProcess.start(arg.command, arg.args, arg.key)
        event.sender.send('spawn-success', {
            key: arg.key,
            pid
        })
        promise.then(data => {
            event.sender.send('spawn-success', {
                key: arg.key,
                data
            })
        })
        promise.catch(err => {
            event.sender.send('spawn-error', {
                key: arg.key,
                err
            })
        })
    })

    // ipcRenderer.send('kill-process', [pid])
    ipc.on('kill-process', function (event, arg) {
        childProcess.kill(arg[0])
    })

    // 通信桥梁
    ipc.on('bridge', function (event, {channel, targetId, ...message}) {
        console.log('bridge message', channel, message)
        const windows = BrowserWindow.getAllWindows()
        // const found = windows.find((window) => {
        //   return window[SUSPENSION_WINDOW_FLAG]
        // });
        for (let win of windows) {
            if (!targetId || win[targetId]) {
                win.webContents.send(channel, message);
            }
        }

    })
    const windowMap = new Map();
    // 通过main打开新窗口
    ipc.on('openWindow', function (event, arg) {
        //如果存在第二块屏幕，在第二块屏幕打开
        let displays = electron.screen.getAllDisplays();
        let externalDisplay = displays.find((display)=>{
            return display.bounds.x !== 0 || display.bounds.y !== 0
        });
        let options = {};
        if(externalDisplay){
            options = {
                fullscreen:true,
                x:externalDisplay.bounds.x,
                y:externalDisplay.bounds.y,
            };

            //关闭上一个，同一时间在拓展屏只能打开两个，打开多个或引起卡顿
            if(windowMap.size > 2){
                const win = windowMap.values().next().value;
                win.close();
                windowMap.delete(windowMap.keys().next().value);
            }
        }
        console.log('openWindow request from renderer process', arg);
        const windows = BrowserWindow.getAllWindows();
        const found = windows.find((window) => {
            return window[arg.id]
        });
        if (!arg.id || !arg.entry) {
            return;
        }
        //未打开过，新建窗口
        if(!found){
            const temp = openWindow(arg,options)
            windowMap.set(arg.id,temp);
        }else{//打开且未关闭，切换至前台
            found.focus()
        }


    })
    //返回上一个窗口
    ipc.on("backPreviousApp",function (event,arg) {
        const keys = [...windowMap.keys()];
        const curKey = keys.findIndex(v=>v === arg.id);
        if(keys.length > 1){
            let preKey = curKey > 0? curKey - 1 : keys.length - 1;
            const preId = keys[preKey];
            windowMap.get(preId).focus();
        }

    });
    //根据指定id关闭窗口
    ipc.on('closeWindowById', function (event, arg) {
        const windows = BrowserWindow.getAllWindows();
        const found = windows.find((window) => {
            return window[arg.id]
        });
        found.close();
        windowMap.delete(arg.id);
    })
    // 监听调用截屏事件
    ipc.on('PrtSc', function (event, arg) {
        const windows = BrowserWindow.getAllWindows()
        const found = windows.find((window) => {
            return window[MAIN_WINDOW_FLAG]
        })
        if (found) {
            found.webContents.send('PrtSc');
        }
    })
    // 监听下载截屏的图片
    ipc.on('downloadImg', function (event, arg) {
        const windows = BrowserWindow.getAllWindows()
        const found = windows.find((window) => {
            return window[MAIN_WINDOW_FLAG]
        })
        if (found) {
            found.webContents.send('downloadImg');
        }
    })
    // 取消截屏显示
    ipc.on('removeCanvas', function (event, arg) {
        const windows = BrowserWindow.getAllWindows()
        const found = windows.find((window) => {
            return window[MAIN_WINDOW_FLAG]
        })
        if (found) {
            found.webContents.send('removeCanvas');
        }
    })
}