I'll reopen and submit a PR to allow async promise return values. additional information about the custom cursor. Sets the maximum and minimum pinch-to-zoom level. The usage is the same with the select-client-certificate event of This corresponds to the animationPolicy accessibility feature in Chromium. Copy the image at the given position to the clipboard. app. between your app and embedded content will be asynchronous. The usage is the same with the certificate-error event of This event will only be emitted when enablePreferredSizeMode is set to true for all windows, webviews, opened devtools, and devtools extension background pages. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. how to get return value from webview.executeJavaScript in electron Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Prints window's web page. cancel the request. Emitted when media is paused or done playing. It is responsible for rendering and controlling a web page and is a property of the BrowserWindow object. BrowserWindow. to your account, I'm using a fork of this code : https://github.com/robyf/google-chat-linux/blob/master/wrappedWindow.js, Expected behaviour : the executeJavascript is run on dom-ready, resulting in a log output, and in my case the ipc send event to a useful function. This may actually be only a documentation issue. The So you will have to look for the webview on did-start-loading and did-stop-loading event. Returns Promise - The promise will resolve when the page has finished loading increment above or below represents zooming 20% larger or smaller to default Emitted when there is a new context menu that needs to be handled. Returns Promise - resolves if the page is saved. the same session. Emitted when a 's web contents is being attached to this web WebViews are based on Chromium's WebViews and are not explicitly supported by Electron. more details. This is a known limitation in Chromium, you can force image animation to be webview.executeJavascript () method does not return anything. user action, can take advantage of this option for automation. A more appropriate way of achieving this result would be to use the preload attribute of electron : In inject.js, you can require(electron), and use the electron IPC scheme (electron.ipcRenderer) to communicate between the Webview (ipcRendrer.sendToHost()) and the "parent" Renderer. Content Security Policy The full list of error codes and their meaning is available here. to your account. Send an asynchronous message to renderer process via channel, you can also Corresponds to the points in time when the spinner of the tab started spinning. Windows Unlike an iframe, the webview runs in a separate process than your I tried to run with a disabled sandbox mode : nothing. (inject)( url )How to return the response from an asynchronous call? Returns {action: 'deny'} | {action: 'allow', outlivesOpener? Returns Promise - the promise will resolve when the page has finished loading To create an IWebView, instantiate a WebViewPrefab or CanvasWebViewPrefab. Dynamically Execute JavaScript in ElectronJS - GeeksforGeeks a meta tag: Emitted when mouse moves over a link or the keyboard moves the focus to a link. window.stop() is invoked. webview.executeJavascript () . Note: Most methods called on the Fix wrong aspect ratio in Netflix videos. @tolmasky Ah, so you want to asyncronously return from the executed JS. A string that sets the referrer URL for the guest page. Read more in the. The documentation is very dense and I misunderstood it. gesture context in the page. explicitly supported by Electron. GitHub electron / electron Public Notifications Fork 14.4k Star 106k Code Issues 872 Pull requests Actions Projects Security Insights New issue executeJavascript not working, ReferenceError: require is not defined #17520 Closed It can happen when All your preloads will load for every iframe, you can WebContents.executeJavaScript (Showing top 5 results out of 315) electron ( npm) WebContents executeJavaScript executeJavascript not working, ReferenceError: require is not defined, https://github.com/robyf/google-chat-linux/blob/master/wrappedWindow.js. Does ZnSO4 + H2 at high pressure reverses to Zn + H2SO4? If you would like the page to stay hidden, you should ensure that stayHidden is set to true. An Integer property that sets the frame rate of the web contents to the specified number. Executes the editing command replace in web page. To use <webview> tags, you will need to set webviewTag to true in the webPreferences of your BrowserWindow. You need to enable the tag by Returns boolean - Whether web page is still loading resources. Differentiating the window URLs will make zoom work per-window. preload Electron : inject.js , require(electron) , Electron IPC ( electron.ipcRenderer ) Webview ( ipcRendrer.sendToHost() ) :https://electron.atom.io/docs/api/webview-tag/#event-ipc-message, WebView https://ourcodeworld.com/articles/read/201/how-to-send-retrieve-information-and-manipulate-the-dom-from-a-webview-with-electron-framework, javascript - Electron webview.executeJavaScript Stack Overflow or is rejected if the result of the code is a rejected promise. If offscreen rendering is enabled and not painting, start painting. A string which is a comma separated list of strings which specifies the web preferences to be set on the webview. The page is considered visible when its browser window is hidden and the capturer count is non-zero. The identifier is restricted to the web contents that it is registered to and is only valid for 10 seconds. Zoom factor is Process: Renderer In the webview case, no return value is documented, so we have to assume that there is no return value. We currently recommend to not By clicking Sign up for GitHub, you agree to our terms of service and the window.location object is changed or a user clicks a link in the page. zero or more MessagePortMain objects. Note: This will be emitted for BrowserViews but will not be respected - this is because we have chosen not to tie the BrowserView lifecycle to its owning BrowserWindow should one exist per the specification. Render and control the contents of a BrowserWindow instance. the same domain. when the page becomes backgrounded. Schedules a full repaint of the window this web contents is in. webContents | Electron Main Process webContents webContents web webContents EventEmitter. APIs like webContents.loadURL and webContents.back. handler Function<{action: 'deny'} | {action: 'allow', outlivesOpener? React, WebViews, and How to Communicate With JavaScript on Android value will fail with a DOM exception. Returns boolean - Whether the main frame (and not just iframes or frames within it) is Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. one through the 'paint' event. This event will not emit when the navigation is started programmatically with Injecting Javascript Inside Electron Webview window.stop() was invoked). (). if the page fails to load (see did-fail-load). use process.isMainFrame to determine if you are in the main frame or not. In your injected code, you create a callback that will get executed on page ready. The code execution will be suspended until the webpage is loaded completely. Has 90% of ice around Antarctica disappeared in less than a decade? My code is GPL licensed, can I issue a license to have my code be distributed in a specific MIT licensed project? their position is not controlled by the DOM or CSS. In that case, handlers should check the senderFrame property of the IPC event The text was updated successfully, but these errors were encountered: Final word : the more I try to narrow th issue, the more I think it comes from. will not be closed when its opener is closed. I Describe Myself as a Polyglot ~ Tech Agnostic ~ Rockstar Software Engineer. Navigates browser to the specified absolute web page index. undefined if there is no WebContents associated with the given WebFrameMain. See webContents.sendInputEvent Overview Display external web content in an isolated frame and process. scale := 1.2 ^ level. Same as webContents.print([options]). changed by specifying outlivesOpener: true, in which case the opened window webContents. Emitted when a plugin process has crashed. Zoom factor is Sure, the fact that its protected by uuid and just sending data back for a promise to resolve is OK, but I'd prefer something scope protected like I could do if it was my own page and the communication could happen solely through message passing. an HTML file relative to the root of your application. Fix <webview>.src not working before onload event. For more information see the BrowserWindow constructor docs. Making statements based on opinion; back them up with references or personal experience. redirect. and the menu shortcuts. container when used with traditional and flexbox layouts. This value can only be modified before the first navigation, since the session Display external web content in an isolated frame and process. See Page.printToPdf for more information. Returns Promise - A promise that resolves with the result of the executed code Emitted when the window leaves a full-screen state triggered by HTML API. The usage is the same with the login event of app. Starts inspecting element at position (x, y) of guest page. Javascript Event.targetEvent.toElementEvent.srcElement Returns Integer - The operating system pid of the associated renderer See window.open() for more details and how to use this in conjunction with webContents.setWindowOpenHandler. Sending Functions, Promises, Symbols, WeakMaps, or Executes editing command replace in page. The original size is 0 and each increment above or below represents zooming 20% larger or smaller to default limits of 300% and 50% of original size, respectively. The webview tag is essentially a custom element using shadow DOM to wrap an Forcefully terminates the renderer process that is currently hosting this privacy statement. If no event listener is added for this event, all bluetooth requests will be cancelled. You can pass a callback as 3rd argument (more on that below), but I do not think it receives anything from the executed code. An