Is it possible to add items to the application window (as opposed to the context menu) in a Chrome app? (Or, for that matter, alter it in any way?)
No. This menu is not part of the Chrome App execution environment. On some platforms (e.g., Chrome OS) it doesn't even exist. Where you see it, it's because the app wrapper for that particular OS supplies it automatically. Instead, use context menus, buttons and other controls, or, if you like, your own menu bar.
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I am developing a Google Chrome Extension for UI Web Testing. And I need to call the native Chrome selector of elements, which You can invoke by CtrlShiftC or via the toolbar:
But I want to call it after click on my button which located in the elements sidebar:
How can I do that from a javascript click event of a button?
There's no way to invoke the built-in element selector from within the extension. Well, except the weird method of writing a separately installable native OS application that communicates with your extension via nativeMessaging API and sends a click event to the toolbar or triggers the hotkey.
A workable solution though is to use a 3rd-party JavaScript library that imitates the element selector behavior and once the element is selected you can highlight it in the Elements panel.
I am writing a Dev tools extension to add a subpanel to Elements panel.
Extension is called 'Redder' ( see the image)
Is there a way to reach this extension with keyboard.
Right now chrome has a short cut keys to launch Dev tools and switch between main panels but not the sub panels (https://developers.google.com/web/tools/chrome-devtools/iterate/inspect-styles/shortcuts?hl=en#accessing-devtools)
Also, is there a way to assign shortcut key to go to my extension panel directly after launching Devtools?
Good question, but I don't think it's possible.
Even if you made a shortcut listener, there is no API to programmatically switch to your panel.
When launching the Chrome Extension Google-Hangouts, a panel initially appears that lists members and a link/button to create a new Hangout.
This panel is initially pinned to the bottom right of the browser window. When pinned like this, it remains always on top as a browser navigation session continues: users can go to different URLs, change tabs, etc. and that panel stays at the bottom right and stays on top of all other windows (or at least on top of the main browser window).
Once it's unpinned, you can drag it around the window, but it no longer stays always on top.
My question is, how was that achieved - what code, or what functions, do i need to call to create that window/panel so that it stays initially pinned and always on top? Is there some binding to some native code that's involved? Some other approach?
If anyone know and can show or explain, i would be hugely grateful as this feature is key to an extension i'm trying to build.
Thanks a lot!
This may not be an answer but to get a clue of what is happening I extracted the crx file to view its content there are a few OS specific files : ace.dll , libace.so and ace. After researching a bit i found this. This is a plugin. Hangouts extension is using ace plugin which is actually running on your desktop(i'm not sure about this). You can check this article
I found this related post: How to build an chrome extension like Google Hangouts
ACE is actually not what makes the window, Chrome has that capability built in, apparently. Even if you don't enable panels, extensions from Google can still make them, provided your OS is capable.
Is it possible to create a browser extension that would allow page-controlled window opacity? Not so that various elements on the page are of a given opacity, but to allow one to see other windows (like the desktop) behind the browser page.
Thank you.
No, this is not possible in an extension. Such transparency would be handled at the window manager level, and would require platform-specific code. This means that either Chrome would have to add this feature and expose it as an extension API (currently no such feature exists), or you would have to write a plugin.
is it possible to replace the action of an existing item in the context menu in Chrome. Simple example, every time I press "Inspect Element", it opens another developer tool extension instead of the default.
It is not: at the moment, devtools APIs only function if the web inspector is open. There's no mechanism to open the web inspector for a user, it has to be her explicit choice.
That said, it sounds reasonable to give an extension the ability to hook into an element's context menu. That might be a good idea for an extension to the existing devtools or Context Menu APIs. Would you mind filing a request at http://new.crbug.com/? I'll make sure it lands in the correct queue.