Firefox Color

Get Started

Install Node 10.18.1+ (e.g. using node version manger)
Clone the repo, install dependencies, start the dev environment:
```
git clone https://github.com/mozilla/FirefoxColor.git
cd FirefoxColor
npm install
npm start
```
This will start a webpack-dev-server instance at port 8080 and start a watcher that will rebuild the browser extension with every file change.
In Firefox 57 + open about:debugging and load the build/extension/manifest.json file.
Visit http://localhost:8080 to see the web-based theme editor - changes should be relayed through the temporarily installed add-on and alter the browser theme

Note: If you have problems seeing the editor at http://localhost:8080/ on your computer, it's possible that you already have some other service using port 8080. You can change the port that Firefox Color uses for local development:

For Linux & OS X: PORT=9090 npm start
For Windows: .\node_modules\.bin\cross-env PORT=9090 npm start

This example switches to port 9090, but you can supply a different port as needed.

Environment variables

There are a few environment variables used in building the site and extension that are handy to know about:

PORT - (default: 8080) Port at which the webpack dev server will start up
NODE_ENV - (default: production) setting to development will enable some features for development work
SITE_URL - (default: http://localhost:8080) the URL where the web app is hosted
SITE_ID - (default: empty string) the ID of the site for the extension - e.g. "", "local", "stage", "dev"
DOWNLOAD_FIREFOX_UTM_SOURCE - host name used in metrics when the button to download Firefox is clicked
LOADER_DELAY_PERIOD - (default: 2000) delay in ms used for web site loader, can be set to 0 during development to make the site appear faster but with visual glitches

Build & Release

Deploying a development release consists of pushing to the development branch on this repo. Production release consists of pushing to the production branch.

The script npm run release:dev in package.json takes care of the following:

Sets the SITE_URL var to point at mozilla.github.io/FirefoxColor
Sets the ADDON_URL var to point at https://addons-dev.allizom.org/firefox/addon/firefox-color/
Build the site
Build & sign the add-on
Copy the signed add-on into the site
Deploy the site to Github Pages

Signing depends on WEB_EXT_API_KEY and WEB_EXT_API_SECRET environment variables being set for use by web-ext sign. Deployment depends on GH_TOKEN being set with a personal access token from GitHub. These are currently configured in CircleCI to support deployment after successful test runs.

Build, test and publish add-on

The script npm run xpi in package.json generates unsigned xpi files, which are added to build/web (and published to the root of SITE_URL by CircleCI), on all branches (development, stage, production). These XPIs can be loaded at about:debugging for manual testing.

firefox-color-stage-unsigned.xpi - test with Stage (testing only).
firefox-color-unsigned.xpi - test with Production (release candidate).

After passing QA, the XPI can be published by manually uploading it to AMO. Every release requires a version bump, because version numbers cannot be reused.

Environment list

Environment	Github Branch	URL
Development	development	https://mozilla.github.io/FirefoxColor/
Stage	stage	https://color.stage.mozaws.net/
Production	production	https://color.firefox.com/

UI to install the addon:

Coming from AMO
- The user clicks on the "Install" button and after granting permissions, a new tab opens to the addon's home page.
Coming from the addon's home page:
- The user can click on the "Get Firefox Color" button which will link the user back the AMO site in the respective environment.

Notes

Further reading for themes
- Other addons for managing & creating themes
  - https://addons.mozilla.org/en-US/firefox/collections/ntim/theming-extensions/
- An example of a more complex dynamically changing theme
  - https://github.com/mdn/webextensions-examples/tree/master/dynamic-theme
- Dynamic theme with colors based on favicon
  - https://addons.mozilla.org/en-US/firefox/addon/vivaldifox/
- Theme API
  - https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/theme
- Hacks post on Theme API
  - https://hacks.mozilla.org/2017/12/using-the-new-theming-api-in-firefox/
- theme.getCurrent()
  - Useful for other webextensions to match current theme colors with their own UIs
  - Maybe pre-load web page with current theme?
  - https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/theme/getCurrent

USApp-io / FirefoxColor