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main.js
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main.js
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const path = require('path');
const url = require('url');
const os = require('os');
const _ = require('lodash');
const electron = require('electron');
const semver = require('semver');
const BrowserWindow = electron.BrowserWindow;
const app = electron.app;
const ipc = electron.ipcMain;
const Menu = electron.Menu;
const shell = electron.shell;
const packageJson = require('./package.json');
const autoUpdate = require('./app/auto_update');
const windowState = require('./app/window_state');
const aumid = 'org.whispersystems.' + packageJson.name;
console.log('setting AUMID to ' + aumid);
app.setAppUserModelId(aumid);
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow;
function getMainWindow() {
return mainWindow;
}
// Tray icon and related objects
let tray = null;
const startInTray = process.argv.find(arg => arg === '--start-in-tray');
const usingTrayIcon = startInTray || process.argv.find(arg => arg === '--use-tray-icon');
const config = require("./app/config");
// Very important to put before the single instance check, since it is based on the
// userData directory.
const userConfig = require('./app/user_config');
function showWindow() {
if (!mainWindow) {
return;
}
// Using focus() instead of show() seems to be important on Windows when our window
// has been docked using Aero Snap/Snap Assist. A full .show() call here will cause
// the window to reposition:
// https://github.com/WhisperSystems/Signal-Desktop/issues/1429
if (mainWindow.isVisible()) {
mainWindow.focus();
} else {
mainWindow.show();
}
// toggle the visibility of the show/hide tray icon menu entries
if (tray) {
tray.updateContextMenu();
}
}
if (!process.mas) {
console.log('making app single instance');
var shouldQuit = app.makeSingleInstance(function(commandLine, workingDirectory) {
// Someone tried to run a second instance, we should focus our window
if (mainWindow) {
if (mainWindow.isMinimized()) {
mainWindow.restore();
}
showWindow();
}
return true;
});
if (shouldQuit) {
console.log('quitting; we are the second instance');
app.quit();
return;
}
}
const logging = require('./app/logging');
// This must be after we set up appPath in user_config.js, so we know where logs go
logging.initialize();
const logger = logging.getLogger();
let windowConfig = userConfig.get('window');
const loadLocale = require('./app/locale').load;
let locale;
const WINDOWS_8 = '8.0.0';
const osRelease = os.release();
const polyfillNotifications =
os.platform() === 'win32' && semver.lt(osRelease, WINDOWS_8);
console.log('OS Release:', osRelease, '- notifications polyfill?', polyfillNotifications);
function prepareURL(pathSegments) {
return url.format({
pathname: path.join.apply(null, pathSegments),
protocol: 'file:',
slashes: true,
query: {
name: packageJson.productName,
locale: locale.name,
version: app.getVersion(),
buildExpiration: config.get('buildExpiration'),
serverUrl: config.get('serverUrl'),
cdnUrl: config.get('cdnUrl'),
certificateAuthorities: config.get('certificateAuthorities'),
environment: config.environment,
node_version: process.versions.node,
hostname: os.hostname(),
appInstance: process.env.NODE_APP_INSTANCE,
polyfillNotifications: polyfillNotifications ? true : undefined, // for stringify()
proxyUrl: process.env.HTTPS_PROXY || process.env.https_proxy,
}
})
}
function handleUrl(event, target) {
event.preventDefault();
const protocol = url.parse(target).protocol;
if (protocol === 'http:' || protocol === 'https:') {
shell.openExternal(target);
}
}
function captureClicks(window) {
window.webContents.on('will-navigate', handleUrl)
window.webContents.on('new-window', handleUrl);
}
const DEFAULT_WIDTH = 800;
const DEFAULT_HEIGHT = 610;
const MIN_WIDTH = 640;
const MIN_HEIGHT = 360;
const BOUNDS_BUFFER = 100;
function isVisible(window, bounds) {
const boundsX = _.get(bounds, 'x') || 0;
const boundsY = _.get(bounds, 'y') || 0;
const boundsWidth = _.get(bounds, 'width') || DEFAULT_WIDTH;
const boundsHeight = _.get(bounds, 'height') || DEFAULT_HEIGHT;
// requiring BOUNDS_BUFFER pixels on the left or right side
const rightSideClearOfLeftBound = (window.x + window.width >= boundsX + BOUNDS_BUFFER);
const leftSideClearOfRightBound = (window.x <= boundsX + boundsWidth - BOUNDS_BUFFER);
// top can't be offscreen, and must show at least BOUNDS_BUFFER pixels at bottom
const topClearOfUpperBound = window.y >= boundsY;
const topClearOfLowerBound = (window.y <= boundsY + boundsHeight - BOUNDS_BUFFER);
return rightSideClearOfLeftBound
&& leftSideClearOfRightBound
&& topClearOfUpperBound
&& topClearOfLowerBound;
}
function createWindow () {
const screen = electron.screen;
const windowOptions = Object.assign({
show: !startInTray, // allow to start minimised in tray
width: DEFAULT_WIDTH,
height: DEFAULT_HEIGHT,
minWidth: MIN_WIDTH,
minHeight: MIN_HEIGHT,
autoHideMenuBar: false,
webPreferences: {
nodeIntegration: false,
//sandbox: true,
preload: path.join(__dirname, 'preload.js')
},
icon: path.join(__dirname, 'images', 'icon_256.png'),
}, _.pick(windowConfig, ['maximized', 'autoHideMenuBar', 'width', 'height', 'x', 'y']));
if (!_.isNumber(windowOptions.width) || windowOptions.width < MIN_WIDTH) {
windowOptions.width = DEFAULT_WIDTH;
}
if (!_.isNumber(windowOptions.height) || windowOptions.height < MIN_HEIGHT) {
windowOptions.height = DEFAULT_HEIGHT;
}
if (!_.isBoolean(windowOptions.maximized)) {
delete windowOptions.maximized;
}
if (!_.isBoolean(windowOptions.autoHideMenuBar)) {
delete windowOptions.autoHideMenuBar;
}
const visibleOnAnyScreen = _.some(screen.getAllDisplays(), function(display) {
if (!_.isNumber(windowOptions.x) || !_.isNumber(windowOptions.y)) {
return false;
}
return isVisible(windowOptions, _.get(display, 'bounds'));
});
if (!visibleOnAnyScreen) {
console.log('Location reset needed');
delete windowOptions.x;
delete windowOptions.y;
}
if (windowOptions.fullscreen === false) {
delete windowOptions.fullscreen;
}
logger.info('Initializing BrowserWindow config: %s', JSON.stringify(windowOptions));
// Create the browser window.
mainWindow = new BrowserWindow(windowOptions);
function captureAndSaveWindowStats() {
const size = mainWindow.getSize();
const position = mainWindow.getPosition();
// so if we need to recreate the window, we have the most recent settings
windowConfig = {
maximized: mainWindow.isMaximized(),
autoHideMenuBar: mainWindow.isMenuBarAutoHide(),
width: size[0],
height: size[1],
x: position[0],
y: position[1]
};
if (mainWindow.isFullScreen()) {
// Only include this property if true, because when explicitly set to
// false the fullscreen button will be disabled on osx
windowConfig.fullscreen = true;
}
logger.info('Updating BrowserWindow config: %s', JSON.stringify(windowConfig));
userConfig.set('window', windowConfig);
}
const debouncedCaptureStats = _.debounce(captureAndSaveWindowStats, 500);
mainWindow.on('resize', debouncedCaptureStats);
mainWindow.on('move', debouncedCaptureStats);
mainWindow.on('close', captureAndSaveWindowStats);
mainWindow.on('focus', function() {
mainWindow.flashFrame(false);
});
// Ingested in preload.js via a sendSync call
ipc.on('locale-data', function(event, arg) {
event.returnValue = locale.messages;
});
if (config.environment === 'test') {
mainWindow.loadURL(prepareURL([__dirname, 'test', 'index.html']));
} else if (config.environment === 'test-lib') {
mainWindow.loadURL(prepareURL([__dirname, 'libtextsecure', 'test', 'index.html']));
} else {
mainWindow.loadURL(prepareURL([__dirname, 'background.html']));
}
if (config.get('openDevTools')) {
// Open the DevTools.
mainWindow.webContents.openDevTools()
}
captureClicks(mainWindow);
mainWindow.webContents.on('will-navigate', function(e) {
logger.info('will-navigate');
e.preventDefault();
});
// Emitted when the window is about to be closed.
mainWindow.on('close', function (e) {
// If the application is terminating, just do the default
if (windowState.shouldQuit()
|| config.environment === 'test' || config.environment === 'test-lib') {
return;
}
// On Mac, or on other platforms when the tray icon is in use, the window
// should be only hidden, not closed, when the user clicks the close button
if (usingTrayIcon || process.platform === 'darwin') {
e.preventDefault();
mainWindow.hide();
// toggle the visibility of the show/hide tray icon menu entries
if (tray) {
tray.updateContextMenu();
}
}
});
// Emitted when the window is closed.
mainWindow.on('closed', function () {
// Dereference the window object, usually you would store windows
// in an array if your app supports multi windows, this is the time
// when you should delete the corresponding element.
mainWindow = null
});
ipc.on('show-window', function() {
showWindow();
});
}
function showDebugLog() {
if (mainWindow) {
mainWindow.webContents.send('debug-log')
}
}
function openReleaseNotes() {
shell.openExternal('https://github.com/WhisperSystems/Signal-Desktop/releases/tag/v' + app.getVersion());
}
function openNewBugForm() {
shell.openExternal('https://github.com/WhisperSystems/Signal-Desktop/issues/new');
}
function openSupportPage() {
shell.openExternal('https://support.signal.org/hc/en-us/categories/202319038-Desktop');
}
function openForums() {
shell.openExternal('https://whispersystems.discoursehosting.net/');
}
let aboutWindow;
function showAbout() {
if (aboutWindow) {
aboutWindow.show();
return;
}
const options = {
width: 500,
height: 400,
resizable: false,
title: locale.messages.aboutSignalDesktop.message,
autoHideMenuBar: true,
backgroundColor: '#2090EA',
show: false,
webPreferences: {
nodeIntegration: false,
preload: path.join(__dirname, 'preload.js')
},
parent: mainWindow,
};
aboutWindow = new BrowserWindow(options);
captureClicks(aboutWindow);
aboutWindow.loadURL(prepareURL([__dirname, 'about.html']));
aboutWindow.on('closed', function () {
aboutWindow = null;
});
aboutWindow.once('ready-to-show', function() {
aboutWindow.show();
});
}
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
let ready = false;
app.on('ready', function() {
logger.info('app ready');
ready = true;
if (!locale) {
locale = loadLocale();
}
autoUpdate.initialize(getMainWindow, locale.messages);
createWindow();
if (usingTrayIcon) {
const createTrayIcon = require("./app/tray_icon");
tray = createTrayIcon(getMainWindow, locale.messages);
}
const options = {
showDebugLog,
showWindow,
showAbout,
openReleaseNotes,
openNewBugForm,
openSupportPage,
openForums,
};
const createTemplate = require('./app/menu.js');
const template = createTemplate(options, locale.messages);
const menu = Menu.buildFromTemplate(template);
Menu.setApplicationMenu(menu);
})
app.on('before-quit', function() {
windowState.markShouldQuit();
});
// Quit when all windows are closed.
app.on('window-all-closed', function () {
// On OS X it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
if (process.platform !== 'darwin' || config.environment === 'test' || config.environment === 'test-lib') {
app.quit()
}
})
app.on('activate', function () {
if (!ready) {
return;
}
// On OS X it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (mainWindow) {
mainWindow.show();
} else {
createWindow();
}
})
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.
ipc.on('set-badge-count', function(event, count) {
app.setBadgeCount(count);
});
ipc.on('draw-attention', function(event, count) {
if (process.platform === 'darwin') {
app.dock.bounce();
} else if (process.platform == 'win32') {
mainWindow.flashFrame(true);
setTimeout(function() {
mainWindow.flashFrame(false);
}, 1000);
} else if (process.platform == 'linux') {
mainWindow.flashFrame(true);
}
});
ipc.on('restart', function(event) {
app.relaunch();
app.quit();
});
ipc.on("set-auto-hide-menu-bar", function(event, autoHide) {
if (mainWindow) {
mainWindow.setAutoHideMenuBar(autoHide);
}
});
ipc.on("set-menu-bar-visibility", function(event, visibility) {
if (mainWindow) {
mainWindow.setMenuBarVisibility(visibility);
}
});
ipc.on("close-about", function() {
if (aboutWindow) {
aboutWindow.close();
}
});