136 lines
3.9 KiB
JavaScript
136 lines
3.9 KiB
JavaScript
const {app, BrowserWindow, ipcMain} = require('electron');
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var path = require('path');
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var jayson = require('jayson');
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// tree-kill has better cross-platform handling of
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// killing a process. child-process.kill was unreliable
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var kill = require('tree-kill');
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let client = jayson.client.http('http://localhost:5279/lbryapi');
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// Keep a global reference of the window object, if you don't, the window will
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// be closed automatically when the JavaScript object is garbage collected.
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let win
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// Also keep the daemon subprocess alive
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let subpy
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// set to true when the quitting sequence has started
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let quitting = false;
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function createWindow () {
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// Create the browser window.
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//win = new BrowserWindow({x: 0, y: 0, width: 1440, height: 414, backgroundColor: '#155b4a'})
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win = new BrowserWindow({backgroundColor: '#155b4a'})
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win.maximize()
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//win.webContents.openDevTools()
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// and load the index.html of the app.
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win.loadURL(`file://${__dirname}/dist/index.html`)
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// Emitted when the window is closed.
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win.on('closed', () => {
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// Dereference the window object, usually you would store windows
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// in an array if your app supports multi windows, this is the time
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// when you should delete the corresponding element.
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win = null
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})
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};
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function lauchDaemon() {
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if (subpy) {
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return;
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}
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console.log(`${__dirname}`);
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executable = path.join(__dirname, 'dist', 'lbrynet-daemon');
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subpy = require('child_process').spawn(executable)
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// Need to handle the data event instead of attaching to
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// process.stdout because the latter doesn't work. I believe on
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// windows it buffers stdout and we don't get any meaningful output
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subpy.stdout.on('data', (buf) => {console.log(String(buf).trim());});
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subpy.stderr.on('data', (buf) => {console.log(String(buf).trim());});
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subpy.on('exit', () => {
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console.log('The daemon has exited. Quitting the app');
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subpy = null;
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if (quitting) {
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app.quit();
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} else {
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// TODO: maybe it would be better to restart the daemon?
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win.loadURL(`file://${__dirname}/dist/warning.html`);
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setTimeout(app.quit, 5000)
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}
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});
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console.log('lbrynet daemon has launched')
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}
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// This method will be called when Electron has finished
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// initialization and is ready to create browser windows.
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// Some APIs can only be used after this event occurs.
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app.on('ready', function(){
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// Check if the daemon is already running. If we get
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// an error its because its not running
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console.log('Checking for lbrynet daemon')
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client.request(
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'status', [],
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function (err, res) {
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if (err) {
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console.log('lbrynet daemon needs to be launched')
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lauchDaemon();
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} else {
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console.log('lbrynet daemon is already running')
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}
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}
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);
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createWindow();
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});
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// Quit when all windows are closed.
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app.on('window-all-closed', () => {
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// On macOS it is common for applications and their menu bar
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// to stay active until the user quits explicitly with Cmd + Q
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if (process.platform !== 'darwin') {
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app.quit()
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}
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})
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app.on('before-quit', (event) => {
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if (subpy == null) {
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return
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}
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event.preventDefault();
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shutdownDaemon();
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})
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app.on('activate', () => {
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// On macOS it's common to re-create a window in the app when the
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// dock icon is clicked and there are no other windows open.
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if (win === null) {
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createWindow()
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}
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})
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function shutdownDaemon() {
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console.log('Shutdown triggered');
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if (subpy == null) {
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// TODO: In this case, we didn't start the process so I'm hesitant
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// to shut it down. We might want to send a stop command
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// though instead of just letting it run.
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console.log('Not killing lbrynet because we did not start it')
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return
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}
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if (win) {
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win.loadURL(`file://${__dirname}/dist/quit.html`);
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}
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quitting = true;
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console.log('Killing lbrynet-daemon process');
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kill(subpy.pid, undefined, (err) => {
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console.log('Killed lbrynet-daemon process');
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});
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}
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ipcMain.on('shutdown', shutdownDaemon);
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