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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
"use strict";
const {
DEBUG_TARGETS,
REQUEST_WORKERS_SUCCESS,
SERVICE_WORKER_FETCH_STATES,
SERVICE_WORKER_STATUSES,
} = require("resource://devtools/client/aboutdebugging/src/constants.js");
/**
* This middleware converts workers object that get from DevToolsClient.listAllWorkers()
* to data which is used in DebugTargetItem.
*/
const workerComponentDataMiddleware = () => next => action => {
switch (action.type) {
case REQUEST_WORKERS_SUCCESS: {
action.otherWorkers = toComponentData(action.otherWorkers);
action.serviceWorkers = toComponentData(action.serviceWorkers, true);
action.sharedWorkers = toComponentData(action.sharedWorkers);
break;
}
}
return next(action);
};
function getServiceWorkerStatus(worker) {
const isActive = worker.state === Ci.nsIServiceWorkerInfo.STATE_ACTIVATED;
const isRunning = !!worker.workerDescriptorFront;
if (isActive && isRunning) {
return SERVICE_WORKER_STATUSES.RUNNING;
} else if (isActive) {
return SERVICE_WORKER_STATUSES.STOPPED;
}
// We cannot get service worker registrations unless the registration is in
// ACTIVE state. Unable to know the actual state ("installing", "waiting"), we
return SERVICE_WORKER_STATUSES.REGISTERING;
}
function toComponentData(workers, isServiceWorker) {
return workers.map(worker => {
// Here `worker` is the worker object created by RootFront.listAllWorkers
const type = DEBUG_TARGETS.WORKER;
const icon = "chrome://devtools/skin/images/debugging-workers.svg";
let { fetch } = worker;
const { id, name, registrationFront, scope, subscription, origin } = worker;
let pushServiceEndpoint = null;
let status = null;
if (isServiceWorker) {
fetch = fetch
? SERVICE_WORKER_FETCH_STATES.LISTENING
: SERVICE_WORKER_FETCH_STATES.NOT_LISTENING;
status = getServiceWorkerStatus(worker);
pushServiceEndpoint = subscription ? subscription.endpoint : null;
}
return {
details: {
fetch,
pushServiceEndpoint,
registrationFront,
scope,
status,
origin,
},
icon,
id,
name,
type,
};
});
}
module.exports = workerComponentDataMiddleware;