From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../actors/watcher/target-helpers/worker-helper.js | 128 +++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 devtools/server/actors/watcher/target-helpers/worker-helper.js

(limited to 'devtools/server/actors/watcher/target-helpers/worker-helper.js')

diff --git a/devtools/server/actors/watcher/target-helpers/worker-helper.js b/devtools/server/actors/watcher/target-helpers/worker-helper.js
new file mode 100644
index 0000000000..6fda83e6bb
--- /dev/null
+++ b/devtools/server/actors/watcher/target-helpers/worker-helper.js
@@ -0,0 +1,128 @@
+/* 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/. */
+
+"use strict";
+
+const DEVTOOLS_WORKER_JS_WINDOW_ACTOR_NAME = "DevToolsWorker";
+
+/**
+ * Force creating targets for all existing workers for a given Watcher Actor.
+ *
+ * @param WatcherActor watcher
+ *        The Watcher Actor requesting to watch for new targets.
+ */
+async function createTargets(watcher) {
+  // Go over all existing BrowsingContext in order to:
+  // - Force the instantiation of a DevToolsWorkerChild
+  // - Have the DevToolsWorkerChild to spawn the WorkerTargetActors
+  const browsingContexts = watcher.getAllBrowsingContexts({
+    acceptSameProcessIframes: true,
+    forceAcceptTopLevelTarget: true,
+  });
+  const promises = [];
+  for (const browsingContext of browsingContexts) {
+    const promise = browsingContext.currentWindowGlobal
+      .getActor(DEVTOOLS_WORKER_JS_WINDOW_ACTOR_NAME)
+      .instantiateWorkerTargets({
+        watcherActorID: watcher.actorID,
+        connectionPrefix: watcher.conn.prefix,
+        sessionContext: watcher.sessionContext,
+        sessionData: watcher.sessionData,
+      });
+    promises.push(promise);
+  }
+
+  // Await for the different queries in order to try to resolve only *after* we received
+  // the already available worker targets.
+  return Promise.all(promises);
+}
+
+/**
+ * Force destroying all worker targets which were related to a given watcher.
+ *
+ * @param WatcherActor watcher
+ *        The Watcher Actor requesting to stop watching for new targets.
+ */
+async function destroyTargets(watcher) {
+  // Go over all existing BrowsingContext in order to destroy all targets
+  const browsingContexts = watcher.getAllBrowsingContexts({
+    acceptSameProcessIframes: true,
+    forceAcceptTopLevelTarget: true,
+  });
+  for (const browsingContext of browsingContexts) {
+    let windowActor;
+    try {
+      windowActor = browsingContext.currentWindowGlobal.getActor(
+        DEVTOOLS_WORKER_JS_WINDOW_ACTOR_NAME
+      );
+    } catch (e) {
+      continue;
+    }
+
+    windowActor.destroyWorkerTargets({
+      watcherActorID: watcher.actorID,
+      sessionContext: watcher.sessionContext,
+    });
+  }
+}
+
+/**
+ * Go over all existing BrowsingContext in order to communicate about new data entries
+ *
+ * @param WatcherActor watcher
+ *        The Watcher Actor requesting to stop watching for new targets.
+ * @param string type
+ *        The type of data to be added
+ * @param Array<Object> entries
+ *        The values to be added to this type of data
+ */
+async function addSessionDataEntry({ watcher, type, entries }) {
+  const browsingContexts = watcher.getAllBrowsingContexts({
+    acceptSameProcessIframes: true,
+    forceAcceptTopLevelTarget: true,
+  });
+  const promises = [];
+  for (const browsingContext of browsingContexts) {
+    const promise = browsingContext.currentWindowGlobal
+      .getActor(DEVTOOLS_WORKER_JS_WINDOW_ACTOR_NAME)
+      .addSessionDataEntry({
+        watcherActorID: watcher.actorID,
+        sessionContext: watcher.sessionContext,
+        type,
+        entries,
+      });
+    promises.push(promise);
+  }
+  // Await for the queries in order to try to resolve only *after* the remote code processed the new data
+  return Promise.all(promises);
+}
+
+/**
+ * Notify all existing frame targets that some data entries have been removed
+ *
+ * See addSessionDataEntry for argument documentation.
+ */
+function removeSessionDataEntry({ watcher, type, entries }) {
+  const browsingContexts = watcher.getAllBrowsingContexts({
+    acceptSameProcessIframes: true,
+    forceAcceptTopLevelTarget: true,
+  });
+  for (const browsingContext of browsingContexts) {
+    browsingContext.currentWindowGlobal
+      .getActor(DEVTOOLS_WORKER_JS_WINDOW_ACTOR_NAME)
+      .removeSessionDataEntry({
+        watcherActorID: watcher.actorID,
+        sessionContext: watcher.sessionContext,
+        type,
+        entries,
+      });
+  }
+}
+
+module.exports = {
+  createTargets,
+  destroyTargets,
+  addSessionDataEntry,
+  removeSessionDataEntry,
+};
-- 
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