mirror of
https://github.com/finos/SymphonyElectron.git
synced 2024-11-30 12:43:59 -06:00
785 lines
25 KiB
JavaScript
785 lines
25 KiB
JavaScript
'use strict';
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const fs = require('fs');
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const electron = require('electron');
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const app = electron.app;
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const crashReporter = electron.crashReporter;
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const BrowserWindow = electron.BrowserWindow;
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const path = require('path');
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const nodeURL = require('url');
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const querystring = require('querystring');
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const filesize = require('filesize');
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const { getTemplate, getMinimizeOnClose } = require('./menus/menuTemplate.js');
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const loadErrors = require('./dialogs/showLoadError.js');
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const isInDisplayBounds = require('./utils/isInDisplayBounds.js');
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const getGuid = require('./utils/getGuid.js');
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const log = require('./log.js');
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const logLevels = require('./enums/logLevels.js');
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const notify = require('./notify/electron-notify.js');
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const eventEmitter = require('./eventEmitter');
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const throttle = require('./utils/throttle.js');
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const { getConfigField, updateConfigField } = require('./config.js');
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const { isMac, isNodeEnv } = require('./utils/misc');
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const { isWhitelisted } = require('./utils/whitelistHandler');
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// show dialog when certificate errors occur
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require('./dialogs/showCertError.js');
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require('./dialogs/showBasicAuth.js');
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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 mainWindow;
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let windows = {};
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let willQuitApp = false;
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let isOnline = true;
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let boundsChangeWindow;
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let alwaysOnTop = false;
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let position = 'lower-right';
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let display;
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let sandboxed = false;
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let downloadsDirectory;
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// note: this file is built using browserify in prebuild step.
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const preloadMainScript = path.join(__dirname, 'preload/_preloadMain.js');
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const MIN_WIDTH = 300;
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const MIN_HEIGHT = 300;
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// Default window size for pop-out windows
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const DEFAULT_WIDTH = 300;
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const DEFAULT_HEIGHT = 600;
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/**
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* Adds a window key
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* @param key
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* @param browserWin
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*/
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function addWindowKey(key, browserWin) {
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windows[key] = browserWin;
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}
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/**
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* Removes a window key
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* @param key
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*/
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function removeWindowKey(key) {
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delete windows[key];
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}
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/**
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* Gets the parsed url
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* @param url
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* @returns {Url}
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*/
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function getParsedUrl(url) {
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return nodeURL.parse(url);
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}
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/**
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* Creates the main window
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* @param initialUrl
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*/
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function createMainWindow(initialUrl) {
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getConfigField('mainWinPos').then(
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function (bounds) {
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doCreateMainWindow(initialUrl, bounds);
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},
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function () {
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// failed, use default bounds
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doCreateMainWindow(initialUrl, null);
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}
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);
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}
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/**
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* Creates the main window with bounds
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* @param initialUrl
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* @param initialBounds
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*/
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function doCreateMainWindow(initialUrl, initialBounds) {
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let url = initialUrl;
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let key = getGuid();
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log.send(logLevels.INFO, 'creating main window url: ' + url);
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let newWinOpts = {
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title: 'Symphony',
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show: true,
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minWidth: MIN_WIDTH,
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minHeight: MIN_HEIGHT,
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alwaysOnTop: false,
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webPreferences: {
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sandbox: sandboxed,
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nodeIntegration: isNodeEnv,
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preload: preloadMainScript,
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nativeWindowOpen: true
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}
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};
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// set size and position
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let bounds = initialBounds;
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// if bounds if not fully contained in some display then use default size
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// and position.
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if (!isInDisplayBounds(bounds)) {
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bounds = null;
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}
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if (bounds && bounds.width && bounds.height) {
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newWinOpts.width = bounds.width;
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newWinOpts.height = bounds.height;
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} else {
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newWinOpts.width = 900;
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newWinOpts.height = 900;
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}
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// will center on screen if values not provided
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if (bounds && bounds.x && bounds.y) {
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newWinOpts.x = bounds.x;
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newWinOpts.y = bounds.y;
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}
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// will set the main window on top as per the user prefs
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if (alwaysOnTop){
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newWinOpts.alwaysOnTop = alwaysOnTop;
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}
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// note: augmenting with some custom values
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newWinOpts.winKey = key;
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mainWindow = new BrowserWindow(newWinOpts);
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mainWindow.winName = 'main';
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let throttledMainWinBoundsChange = throttle(5000, saveMainWinBounds);
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mainWindow.on('move', throttledMainWinBoundsChange);
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mainWindow.on('resize', throttledMainWinBoundsChange);
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function retry() {
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if (!isOnline) {
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loadErrors.showNetworkConnectivityError(mainWindow, url, retry);
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return;
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}
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if (mainWindow.webContents) {
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mainWindow.webContents.reload();
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}
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}
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// content can be cached and will still finish load but
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// we might not have network connectivity, so warn the user.
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mainWindow.webContents.on('did-finish-load', function () {
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url = mainWindow.webContents.getURL();
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if (!isOnline) {
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loadErrors.showNetworkConnectivityError(mainWindow, url, retry);
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} else {
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// updates the notify config with user preference
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notify.updateConfig({position: position, display: display});
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// removes all existing notifications when main window reloads
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notify.reset();
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log.send(logLevels.INFO, 'loaded main window url: ' + url);
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}
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});
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mainWindow.webContents.on('did-fail-load', function (event, errorCode,
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errorDesc, validatedURL) {
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loadErrors.showLoadFailure(mainWindow, validatedURL, errorDesc, errorCode, retry, false);
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});
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// In case a renderer process crashes, provide an
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// option for the user to either reload or close the window
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mainWindow.webContents.on('crashed', function () {
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const options = {
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type: 'error',
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title: 'Renderer Process Crashed',
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message: 'Oops! Looks like we have had a crash. Please reload or close this window.',
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buttons: ['Reload', 'Close']
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};
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electron.dialog.showMessageBox(options, function (index) {
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if (index === 0) {
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mainWindow.reload();
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}
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else {
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mainWindow.close();
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}
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});
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});
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addWindowKey(key, mainWindow);
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mainWindow.loadURL(url);
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const menu = electron.Menu.buildFromTemplate(getTemplate(app));
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electron.Menu.setApplicationMenu(menu);
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mainWindow.on('close', function(e) {
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if (willQuitApp) {
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destroyAllWindows();
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return;
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}
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if (getMinimizeOnClose()) {
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e.preventDefault();
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mainWindow.minimize();
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} else {
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app.quit();
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}
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});
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function destroyAllWindows() {
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let keys = Object.keys(windows);
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for (let i = 0, len = keys.length; i < len; i++) {
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let winKey = keys[i];
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removeWindowKey(winKey);
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}
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mainWindow = null;
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}
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mainWindow.on('closed', destroyAllWindows);
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// if an user has set a custom downloads directory,
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// we get that data from the user config file
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getConfigField('downloadsDirectory')
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.then((value) => {
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downloadsDirectory = value;
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// if the directory has been deleted, try creating it.
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if (!fs.existsSync(downloadsDirectory)) {
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const directoryCreated = fs.mkdirSync(downloadsDirectory);
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// If the directory creation failed, we use the default downloads directory
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if (!directoryCreated) {
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downloadsDirectory = null;
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}
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}
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})
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.catch((error) => {
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log.send(logLevels.ERROR, 'Could not find the downloads directory config -> ' + error);
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});
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// Manage File Downloads
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mainWindow.webContents.session.on('will-download', (event, item, webContents) => {
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// When download is in progress, send necessary data to indicate the same
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webContents.send('downloadProgress');
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// if the user has set a custom downloads directory, save file to that directory
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// if otherwise, we save it to the operating system's default downloads directory
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if (downloadsDirectory) {
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item.setSavePath(downloadsDirectory + "/" + item.getFilename());
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}
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// Send file path when download is complete
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item.once('done', (e, state) => {
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if (state === 'completed') {
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let data = {
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_id: getGuid(),
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savedPath: item.getSavePath() ? item.getSavePath() : '',
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total: filesize(item.getTotalBytes() ? item.getTotalBytes() : 0),
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fileName: item.getFilename() ? item.getFilename() : 'No name'
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};
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webContents.send('downloadCompleted', data);
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}
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});
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});
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getConfigField('url')
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.then(initializeCrashReporter)
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.catch(app.quit);
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function initializeCrashReporter(podUrl) {
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getConfigField('crashReporter')
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.then((crashReporterConfig) => {
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log.send(logLevels.INFO, 'Initializing crash reporter on the main window!');
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crashReporter.start({companyName: crashReporterConfig.companyName, submitURL: crashReporterConfig.submitURL, uploadToServer: crashReporterConfig.uploadToServer, extra: {'process': 'renderer / main window', podUrl: podUrl}});
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log.send(logLevels.INFO, 'initialized crash reporter on the main window!');
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mainWindow.webContents.send('register-crash-reporter', {companyName: crashReporterConfig.companyName, submitURL: crashReporterConfig.submitURL, uploadToServer: crashReporterConfig.uploadToServer, process: 'preload script / main window renderer'});
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})
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.catch((err) => {
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log.send(logLevels.ERROR, 'Unable to initialize crash reporter in the main window. Error is -> ' + err);
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});
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}
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// open external links in default browser - a tag with href='_blank' or window.open
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mainWindow.webContents.on('new-window', function (event, newWinUrl,
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frameName, disposition, newWinOptions) {
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let newWinParsedUrl = getParsedUrl(newWinUrl);
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let mainWinParsedUrl = getParsedUrl(url);
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let newWinHost = newWinParsedUrl && newWinParsedUrl.host;
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let mainWinHost = mainWinParsedUrl && mainWinParsedUrl.host;
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// only allow window.open to succeed is if coming from same hsot,
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// otherwise open in default browser.
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if (disposition === 'new-window' && newWinHost === mainWinHost) {
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// handle: window.open
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if (!frameName) {
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// abort - no frame name provided.
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return;
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}
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log.send(logLevels.INFO, 'creating pop-out window url: ' + newWinParsedUrl);
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let x = 0;
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let y = 0;
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let width = newWinOptions.width || DEFAULT_WIDTH;
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let height = newWinOptions.height || DEFAULT_HEIGHT;
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// try getting x and y position from query parameters
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let query = newWinParsedUrl && querystring.parse(newWinParsedUrl.query);
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if (query && query.x && query.y) {
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let newX = Number.parseInt(query.x, 10);
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let newY = Number.parseInt(query.y, 10);
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let newWinRect = {x: newX, y: newY, width, height};
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// only accept if both are successfully parsed.
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if (Number.isInteger(newX) && Number.isInteger(newY) &&
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isInDisplayBounds(newWinRect)) {
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x = newX;
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y = newY;
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} else {
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x = 0;
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y = 0;
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}
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} else {
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// create new window at slight offset from main window.
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({x, y} = getWindowSizeAndPosition(mainWindow));
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x += 50;
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y += 50;
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}
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/* eslint-disable no-param-reassign */
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newWinOptions.x = x;
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newWinOptions.y = y;
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newWinOptions.width = Math.max(width, DEFAULT_WIDTH);
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newWinOptions.height = Math.max(height, DEFAULT_HEIGHT);
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newWinOptions.minWidth = MIN_WIDTH;
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newWinOptions.minHeight = MIN_HEIGHT;
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newWinOptions.alwaysOnTop = alwaysOnTop;
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let newWinKey = getGuid();
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newWinOptions.winKey = newWinKey;
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/* eslint-enable no-param-reassign */
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let webContents = newWinOptions.webContents;
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webContents.once('did-finish-load', function () {
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let browserWin = BrowserWindow.fromWebContents(webContents);
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if (browserWin) {
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log.send(logLevels.INFO, 'loaded pop-out window url: ' + newWinParsedUrl);
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if (!isMac) {
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// Removes the menu bar from the pop-out window
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// setMenu is currently only supported on Windows and Linux
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browserWin.setMenu(null);
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}
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getConfigField('url')
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.then((podUrl) => {
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getConfigField('crashReporter')
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.then((crashReporterConfig) => {
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crashReporter.start({companyName: crashReporterConfig.companyName, submitURL: crashReporterConfig.submitURL, uploadToServer: crashReporterConfig.uploadToServer, extra: {'process': 'renderer / child window', podUrl: podUrl}});
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log.send(logLevels.INFO, 'initialized crash reporter on a child window!');
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browserWin.webContents.send('register-crash-reporter', {companyName: crashReporterConfig.companyName, submitURL: crashReporterConfig.submitURL, uploadToServer: crashReporterConfig.uploadToServer, process: 'preload script / child window renderer'});
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})
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.catch((err) => {
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log.send(logLevels.ERROR, 'Unable to initialize crash reporter in the child window. Error is -> ' + err);
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});
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})
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.catch(app.quit);
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browserWin.winName = frameName;
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browserWin.setAlwaysOnTop(alwaysOnTop);
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let handleChildWindowClosed = () => {
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removeWindowKey(newWinKey);
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browserWin.removeListener('move', throttledBoundsChange);
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browserWin.removeListener('resize', throttledBoundsChange);
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};
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browserWin.once('closed', () => {
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handleChildWindowClosed();
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});
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browserWin.on('close', () => {
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browserWin.webContents.removeListener('new-window', handleChildNewWindowEvent);
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browserWin.webContents.removeListener('crashed', handleChildWindowCrashEvent);
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});
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let handleChildWindowCrashEvent = () => {
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const options = {
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type: 'error',
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title: 'Renderer Process Crashed',
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message: 'Oops! Looks like we have had a crash. Please reload or close this window.',
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buttons: ['Reload', 'Close']
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};
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electron.dialog.showMessageBox(options, function (index) {
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if (index === 0) {
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browserWin.reload();
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}
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else {
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browserWin.close();
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}
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});
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};
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browserWin.webContents.on('crashed', handleChildWindowCrashEvent);
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let handleChildNewWindowEvent = (childEvent, childWinUrl) => {
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childEvent.preventDefault();
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openUrlInDefaultBrowser(childWinUrl);
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};
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// In case we navigate to an external link from inside a pop-out,
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// we open that link in an external browser rather than creating
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// a new window
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browserWin.webContents.on('new-window', handleChildNewWindowEvent);
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addWindowKey(newWinKey, browserWin);
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// Method that sends bound changes as soon
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// as a new window is created
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// issue https://perzoinc.atlassian.net/browse/ELECTRON-172
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sendChildWinBoundsChange(browserWin);
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// throttle changes so we don't flood client.
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let throttledBoundsChange = throttle(1000,
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sendChildWinBoundsChange.bind(null, browserWin));
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browserWin.on('move', throttledBoundsChange);
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browserWin.on('resize', throttledBoundsChange);
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}
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});
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} else {
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event.preventDefault();
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openUrlInDefaultBrowser(newWinUrl);
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}
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});
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// whenever the main window is navigated for ex: window.location.href or url redirect
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mainWindow.webContents.on('will-navigate', function(event, navigatedURL) {
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isWhitelisted(navigatedURL)
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.catch(() => {
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event.preventDefault();
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electron.dialog.showMessageBox(mainWindow, {
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type: 'warning',
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buttons: [ 'Ok' ],
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title: 'Not Allowed',
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message: `Sorry, you are not allowed to access this website (${navigatedURL}), please contact your administrator for more details`,
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});
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});
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});
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}
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/**
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* Handles the event before-quit emitted by electron
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*/
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app.on('before-quit', function () {
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willQuitApp = true;
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});
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/**
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* Saves the main window bounds
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*/
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function saveMainWinBounds() {
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let newBounds = getWindowSizeAndPosition(mainWindow);
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if (newBounds) {
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updateConfigField('mainWinPos', newBounds);
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}
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}
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/**
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* Gets the main window
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* @returns {*}
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*/
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function getMainWindow() {
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return mainWindow;
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}
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/**
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* Gets a window's size and position
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* @param window
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* @returns {*}
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*/
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function getWindowSizeAndPosition(window) {
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if (window) {
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let newPos = window.getPosition();
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let newSize = window.getSize();
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if (newPos && newPos.length === 2 &&
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newSize && newSize.length === 2) {
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return {
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x: newPos[0],
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y: newPos[1],
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width: newSize[0],
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height: newSize[1],
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};
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}
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}
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return null;
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}
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/**
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* Shows the main window
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*/
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function showMainWindow() {
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mainWindow.show();
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}
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/**
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* Tells if a window is the main window
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* @param win
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* @returns {boolean}
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*/
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function isMainWindow(win) {
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return mainWindow === win;
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}
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|
|
/**
|
|
* Checks if the window and a key has a window
|
|
* @param win
|
|
* @param winKey
|
|
* @returns {*}
|
|
*/
|
|
function hasWindow(win, winKey) {
|
|
if (win instanceof BrowserWindow) {
|
|
let browserWin = windows[winKey];
|
|
return browserWin && win === browserWin;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Sets if a user is online
|
|
* @param status
|
|
*/
|
|
function setIsOnline(status) {
|
|
isOnline = status;
|
|
}
|
|
|
|
/**
|
|
* Tries finding a window we have created with given name. If found, then
|
|
* brings to front and gives focus.
|
|
* @param {String} windowName Name of target window. Note: main window has
|
|
* name 'main'.
|
|
*/
|
|
function activate(windowName) {
|
|
let keys = Object.keys(windows);
|
|
for (let i = 0, len = keys.length; i < len; i++) {
|
|
let window = windows[keys[i]];
|
|
if (window && !window.isDestroyed() && window.winName === windowName) {
|
|
if (window.isMinimized()) {
|
|
window.restore();
|
|
} else {
|
|
window.show();
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* name of renderer window to notify when bounds of child window changes.
|
|
* @param {object} window Renderer window to use IPC with to inform about size/
|
|
* position change.
|
|
*/
|
|
function setBoundsChangeWindow(window) {
|
|
boundsChangeWindow = window;
|
|
}
|
|
|
|
/**
|
|
* Called when bounds of child window changes size/position
|
|
* @param {object} window Child window which has changed size/position.
|
|
*/
|
|
function sendChildWinBoundsChange(window) {
|
|
let newBounds = getWindowSizeAndPosition(window);
|
|
if (newBounds && boundsChangeWindow) {
|
|
newBounds.windowName = window.winName;
|
|
// ipc msg back to renderer to inform bounds has changed.
|
|
boundsChangeWindow.send('boundsChange', newBounds);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Opens an external url in the system's default browser
|
|
* @param urlToOpen
|
|
*/
|
|
function openUrlInDefaultBrowser(urlToOpen) {
|
|
if (urlToOpen) {
|
|
electron.shell.openExternal(urlToOpen);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Called when an event is received from menu
|
|
* @param boolean weather to enable or disable alwaysOnTop.
|
|
*/
|
|
function isAlwaysOnTop(boolean) {
|
|
alwaysOnTop = boolean;
|
|
let browserWins = BrowserWindow.getAllWindows();
|
|
if (browserWins.length > 0) {
|
|
browserWins.forEach(function (browser) {
|
|
browser.setAlwaysOnTop(boolean);
|
|
});
|
|
|
|
// An issue where changing the alwaysOnTop property
|
|
// focus the pop-out window
|
|
// Issue - Electron-209
|
|
if (mainWindow && mainWindow.winName) {
|
|
activate(mainWindow.winName);
|
|
}
|
|
}
|
|
}
|
|
|
|
// node event emitter to update always on top
|
|
eventEmitter.on('isAlwaysOnTop', (boolean) => {
|
|
isAlwaysOnTop(boolean);
|
|
});
|
|
|
|
// set downloads directory
|
|
eventEmitter.on('setDownloadsDirectory', (newDirectory) => {
|
|
downloadsDirectory = newDirectory;
|
|
});
|
|
|
|
// node event emitter for notification settings
|
|
eventEmitter.on('notificationSettings', (notificationSettings) => {
|
|
position = notificationSettings.position;
|
|
display = notificationSettings.display;
|
|
});
|
|
|
|
/**
|
|
* Method that gets invoked when an external display
|
|
* is removed using electron 'display-removed' event.
|
|
*/
|
|
function verifyDisplays() {
|
|
|
|
// This is only for Windows, macOS handles this by itself
|
|
if (!mainWindow || isMac){
|
|
return;
|
|
}
|
|
|
|
const bounds = mainWindow.getBounds();
|
|
if (bounds) {
|
|
let isXAxisValid = true;
|
|
let isYAxisValid = true;
|
|
|
|
// checks to make sure the x,y are valid pairs
|
|
if ((bounds.x === undefined && (bounds.y || bounds.y === 0))){
|
|
isXAxisValid = false;
|
|
}
|
|
if ((bounds.y === undefined && (bounds.x || bounds.x === 0))){
|
|
isYAxisValid = false;
|
|
}
|
|
|
|
if (!isXAxisValid && !isYAxisValid){
|
|
return;
|
|
}
|
|
|
|
let externalDisplay = checkExternalDisplay(bounds);
|
|
|
|
// If external window doesn't exists, reposition main window
|
|
if (!externalDisplay) {
|
|
repositionMainWindow();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Method that verifies if wrapper exists in any of the available
|
|
* external display by comparing the app bounds with the display bounds
|
|
* if not exists returns false otherwise true
|
|
* @param appBounds {Electron.Rectangle} - current electron wrapper bounds
|
|
* @returns {boolean}
|
|
*/
|
|
function checkExternalDisplay(appBounds) {
|
|
const x = appBounds.x;
|
|
const y = appBounds.y;
|
|
const width = appBounds.width;
|
|
const height = appBounds.height;
|
|
const factor = 0.2;
|
|
const screen = electron.screen;
|
|
|
|
// Loops through all the available displays and
|
|
// verifies if the wrapper exists within the display bounds
|
|
// returns false if not exists otherwise true
|
|
return !!screen.getAllDisplays().find(({bounds}) => {
|
|
|
|
const leftMost = x + (width * factor);
|
|
const topMost = y + (height * factor);
|
|
const rightMost = x + width - (width * factor);
|
|
const bottomMost = y + height - (height * factor);
|
|
|
|
if (leftMost < bounds.x || topMost < bounds.y) {
|
|
return false;
|
|
}
|
|
|
|
return !(rightMost > bounds.x + bounds.width || bottomMost > bounds.y + bounds.height);
|
|
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Method that resets the main window bounds when an external display
|
|
* was removed and if the wrapper was contained within that bounds
|
|
*/
|
|
function repositionMainWindow() {
|
|
const screen = electron.screen;
|
|
|
|
const {workArea} = screen.getPrimaryDisplay();
|
|
const bounds = workArea;
|
|
|
|
if (!bounds) {
|
|
return;
|
|
}
|
|
|
|
const windowWidth = Math.round(bounds.width * 0.6);
|
|
const windowHeight = Math.round(bounds.height * 0.8);
|
|
|
|
// Calculating the center of the primary display
|
|
// to place the wrapper
|
|
const centerX = bounds.x + bounds.width / 2.0;
|
|
const centerY = bounds.y + bounds.height / 2.0;
|
|
const x = Math.round(centerX - (windowWidth / 2.0));
|
|
const y = Math.round(centerY - (windowHeight / 2.0));
|
|
|
|
let rectangle = {x, y, width: windowWidth, height: windowHeight};
|
|
|
|
// resetting the main window bounds
|
|
if (mainWindow){
|
|
if (!mainWindow.isVisible()) {
|
|
mainWindow.show();
|
|
}
|
|
|
|
if (mainWindow.isMinimized()) {
|
|
mainWindow.restore();
|
|
}
|
|
|
|
mainWindow.focus();
|
|
mainWindow.flashFrame(false);
|
|
mainWindow.setBounds(rectangle, true);
|
|
}
|
|
}
|
|
|
|
module.exports = {
|
|
createMainWindow: createMainWindow,
|
|
getMainWindow: getMainWindow,
|
|
showMainWindow: showMainWindow,
|
|
isMainWindow: isMainWindow,
|
|
hasWindow: hasWindow,
|
|
setIsOnline: setIsOnline,
|
|
activate: activate,
|
|
setBoundsChangeWindow: setBoundsChangeWindow,
|
|
verifyDisplays: verifyDisplays
|
|
};
|