Container Tabs Sidebar

A firefox addon that shows currently opened tabs in a sidebar grouped by a privacy container.

How to use

In order to use this addon it's recommended to have firefox version >=59 installed. It might work with a version as low as 54, but there were no tests done with these builds. You can download the latest firefox from firefox.com

Installing from addons.mozilla.org

Visit Container Tabs Sidebar on mozilla.org
Click Add to Firefox button

Manually installing the addon for development purposes

Debugging via npm:

If you have npm installed, you can execute the following command: npm run dev. A Firefox window should open.

Installing as temporary add-on

Clone or download a zip of this repository.
Navigate to about:debugging.
Click Load Temporary Add-on.
Select manifest.json inside src directory.

Opening the sidebar

In order to open the sidebar click F2 button on your keyboard. If it doesn't work then open any sidebar (eg. using Ctrl+b), and change the sidebar via dropdown menu.

Customizing containers

In order to add/remove containers navigate to about:preferences#containers.

Appearance modifications

Summary of How to Create a userChrome.css File on userchrome.org

Create a file called 'userChrome.css' in a directory called 'chrome' inside your user profile directory
Add the below data to the file

Warning: Starting with Firefox 69 you have to enable toolkit.legacyUserProfileCustomizations.stylesheets in about:config in order to use modifications listed below.

Note: For Firefox <72 you also need a @namespace directive at the beginning of the file.

Note: the @namespace directive only has to appear once in that file.

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");

See this discussion thread for details.

Hiding the Sidebar Header

In order to hide the sidebar header you need to append to the userChrome.css file the following code:

#sidebar-box[sidebarcommand^="containertabs"] #sidebar-header {
	display: none;
}

Before	After

Hiding the Tab Bar

In order to hide the Tab Bar you need to append to the userChrome.css the following code:

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");

#main-window:not([tabsintitlebar="true"]) #TabsToolbar {
    visibility: collapse !important;
}

/* for Firefox 72 and beyond */
/* credit to stapuft at https://github.com/piroor/treestyletab/issues/2207#issuecomment-478288590 */

#tabbrowser-tabs, #TabsToolbar {
  visibility: collapse !important;
}

Change Icon into Black from White

This userChrome.css rule will make the icon become black on Toolbar, Sidebar, and Pop up menu

#sidebar-box[sidebarcommand^="containertabs"] #sidebar-header #sidebar-icon,
#sidebarMenu-popup #button_containertabssidebar_maciekmm_net-sidebar-action .toolbarbutton-icon,
#nav-bar-customization-target #containertabssidebar_maciekmm_net-browser-action .toolbarbutton-icon {
  filter: invert(100%);
}

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