/
browser-window.ts
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/
browser-window.ts
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import { BaseWindow, WebContents, Event, BrowserView, TouchBar } from 'electron/main';
import type { BrowserWindow as BWT } from 'electron/main';
const { BrowserWindow } = process._linkedBinding('electron_browser_window') as { BrowserWindow: typeof BWT };
Object.setPrototypeOf(BrowserWindow.prototype, BaseWindow.prototype);
(BrowserWindow.prototype as any)._init = function (this: BWT) {
// Call parent class's _init.
(BaseWindow.prototype as any)._init.call(this);
// Avoid recursive require.
const { app } = require('electron');
const nativeSetBounds = this.setBounds;
this.setBounds = (bounds, ...opts) => {
bounds = {
...this.getBounds(),
...bounds
};
nativeSetBounds.call(this, bounds, ...opts);
};
// Sometimes the webContents doesn't get focus when window is shown, so we
// have to force focusing on webContents in this case. The safest way is to
// focus it when we first start to load URL, if we do it earlier it won't
// have effect, if we do it later we might move focus in the page.
//
// Though this hack is only needed on macOS when the app is launched from
// Finder, we still do it on all platforms in case of other bugs we don't
// know.
if (this.webContents._initiallyShown) {
this.webContents.once('load-url' as any, function (this: WebContents) {
this.focus();
});
}
// Redirect focus/blur event to app instance too.
this.on('blur', (event: Event) => {
app.emit('browser-window-blur', event, this);
});
this.on('focus', (event: Event) => {
app.emit('browser-window-focus', event, this);
});
// Subscribe to visibilityState changes and pass to renderer process.
let isVisible = this.isVisible() && !this.isMinimized();
const visibilityChanged = () => {
const newState = this.isVisible() && !this.isMinimized();
if (isVisible !== newState) {
isVisible = newState;
const visibilityState = isVisible ? 'visible' : 'hidden';
this.webContents.emit('-window-visibility-change', visibilityState);
}
};
const visibilityEvents = ['show', 'hide', 'minimize', 'maximize', 'restore'];
for (const event of visibilityEvents) {
this.on(event as any, visibilityChanged);
}
// Notify the creation of the window.
const event = process._linkedBinding('electron_browser_event').createEmpty();
app.emit('browser-window-created', event, this);
Object.defineProperty(this, 'devToolsWebContents', {
enumerable: true,
configurable: false,
get () {
return this.webContents.devToolsWebContents;
}
});
};
const isBrowserWindow = (win: any) => {
return win && win.constructor.name === 'BrowserWindow';
};
BrowserWindow.fromId = (id: number) => {
const win = BaseWindow.fromId(id);
return isBrowserWindow(win) ? win as any as BWT : null;
};
BrowserWindow.getAllWindows = () => {
return BaseWindow.getAllWindows().filter(isBrowserWindow) as any[] as BWT[];
};
BrowserWindow.getFocusedWindow = () => {
for (const window of BrowserWindow.getAllWindows()) {
if (window.isFocused() || window.isDevToolsFocused()) return window;
}
return null;
};
BrowserWindow.fromWebContents = (webContents: WebContents) => {
for (const window of BrowserWindow.getAllWindows()) {
if (window.webContents && window.webContents.equal(webContents)) return window;
}
return null;
};
BrowserWindow.fromBrowserView = (browserView: BrowserView) => {
for (const window of BrowserWindow.getAllWindows()) {
if (window.getBrowserView() === browserView) return window;
}
return null;
};
BrowserWindow.prototype.setTouchBar = function (touchBar) {
(TouchBar as any)._setOnWindow(touchBar, this);
};
// Forwarded to webContents:
BrowserWindow.prototype.loadURL = function (...args) {
return this.webContents.loadURL(...args);
};
BrowserWindow.prototype.getURL = function () {
return this.webContents.getURL();
};
BrowserWindow.prototype.loadFile = function (...args) {
return this.webContents.loadFile(...args);
};
BrowserWindow.prototype.reload = function (...args) {
return this.webContents.reload(...args);
};
BrowserWindow.prototype.send = function (...args) {
return this.webContents.send(...args);
};
BrowserWindow.prototype.openDevTools = function (...args) {
return this.webContents.openDevTools(...args);
};
BrowserWindow.prototype.closeDevTools = function () {
return this.webContents.closeDevTools();
};
BrowserWindow.prototype.isDevToolsOpened = function () {
return this.webContents.isDevToolsOpened();
};
BrowserWindow.prototype.isDevToolsFocused = function () {
return this.webContents.isDevToolsFocused();
};
BrowserWindow.prototype.toggleDevTools = function () {
return this.webContents.toggleDevTools();
};
BrowserWindow.prototype.inspectElement = function (...args) {
return this.webContents.inspectElement(...args);
};
BrowserWindow.prototype.inspectSharedWorker = function () {
return this.webContents.inspectSharedWorker();
};
BrowserWindow.prototype.inspectServiceWorker = function () {
return this.webContents.inspectServiceWorker();
};
BrowserWindow.prototype.showDefinitionForSelection = function () {
return this.webContents.showDefinitionForSelection();
};
BrowserWindow.prototype.capturePage = function (...args) {
return this.webContents.capturePage(...args);
};
BrowserWindow.prototype.getBackgroundThrottling = function () {
return this.webContents.getBackgroundThrottling();
};
BrowserWindow.prototype.setBackgroundThrottling = function (allowed: boolean) {
return this.webContents.setBackgroundThrottling(allowed);
};
module.exports = BrowserWindow;