Created
April 26, 2017 20:07
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A bootstrap file for a simple pref flip study helper addon
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| // https://github.com/gregglind/quantum-preference-telemetry-annotation-pretender/blob/master/index.js | |
| const CID = Cu.import('resource://gre/modules/ClientID.jsm'); | |
| const { TelemetryController } = Cu.import('resource://gre/modules/TelemetryController.jsm'); | |
| const { TelemetryEnvironment } = Cu.import('resource://gre/modules/TelemetryEnvironment.jsm'); | |
| function generateTelemetryIdIfNeeded() { | |
| let id = TelemetryController.clientID; | |
| /* istanbul ignore next */ | |
| if (id === undefined) { | |
| return CID.ClientIDImpl._doLoadClientID(); | |
| } else { | |
| return Promise.resolve(id); | |
| } | |
| } | |
| const experimentName = "screenshots-rollout-test-1"; | |
| const variations = ['control', 'screenshots-on']; | |
| function chooseVariation (clientId) { | |
| // do some hashing magic of the client id, such as: | |
| let last = clientId.substr(clientId.length-3); | |
| let which = parseInt(last,16) % variations.length; | |
| return variations[which]; | |
| } | |
| function isEligible() { | |
| // check locales or whatever | |
| return true; | |
| } | |
| function markTelemetry (which) { | |
| } | |
| function unmarkTelemetry (which) { | |
| } | |
| function implement(variation) { | |
| markTelemetry(variation) | |
| switch (variation) { | |
| case "control": | |
| // don't set the pref to the value | |
| break; | |
| default: | |
| setThePref(someValue) | |
| } | |
| } | |
| function startup () { | |
| let variation = chooseVariation(clientId); | |
| impelement(variation) | |
| } | |
| function shutdown () { | |
| // blah blah | |
| } |
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