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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// Keep track of all WindowGlobal target actors.
// This is especially used to track the actors using Message manager connector,
// or the ones running in the parent process.
// Top level actors, like tab's top level target or parent process target
// are still using message manager in order to avoid being destroyed on navigation.
// And because of this, these actors aren't using JS Window Actor.
const windowGlobalTargetActors = new Set();
let xpcShellTargetActor = null;
export var TargetActorRegistry = {
registerTargetActor(targetActor) {
windowGlobalTargetActors.add(targetActor);
},
unregisterTargetActor(targetActor) {
windowGlobalTargetActors.delete(targetActor);
},
registerXpcShellTargetActor(targetActor) {
xpcShellTargetActor = targetActor;
},
unregisterXpcShellTargetActor(targetActor) {
xpcShellTargetActor = null;
},
get xpcShellTargetActor() {
return xpcShellTargetActor;
},
/**
* Return the target actors matching the passed browser element id.
* In some scenarios, the registry can have multiple target actors for a given
* browserId (e.g. the regular DevTools content toolbox + DevTools WebExtensions targets).
*
* @param {Object} sessionContext: The Session Context to help know what is debugged.
* See devtools/server/actors/watcher/session-context.js
* @param {String} connectionPrefix: DevToolsServerConnection's prefix, in order to select only actor
* related to the same connection. i.e. the same client.
* @returns {Array<TargetActor>}
*/
getTargetActors(sessionContext, connectionPrefix) {
const actors = [];
for (const actor of windowGlobalTargetActors) {
const isMatchingPrefix = actor.actorID.startsWith(connectionPrefix);
const isMatchingContext =
sessionContext.type == "all" ||
(sessionContext.type == "browser-element" &&
(actor.browserId == sessionContext.browserId ||
actor.openerBrowserId == sessionContext.browserId)) ||
(sessionContext.type == "webextension" &&
actor.addonId == sessionContext.addonId);
if (isMatchingPrefix && isMatchingContext) {
actors.push(actor);
}
}
return actors;
},
/**
* Helper for tests to help track the number of targets created for a given tab.
* (Used by browser_ext_devtools_inspectedWindow.js)
*
* @param {Number} browserId: ID for the tab
*
* @returns {Number} Number of targets for this tab.
*/
getTargetActorsCountForBrowserElement(browserId) {
let count = 0;
for (const actor of windowGlobalTargetActors) {
if (actor.browserId == browserId) {
count++;
}
}
return count;
},
};
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