Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 146 insertions, 0 deletions

diff --git a/devtools/client/fronts/descriptors/worker.js b/devtools/client/fronts/descriptors/worker.js
new file mode 100644
index 0000000000..47f016f15f
--- /dev/null
+++ b/devtools/client/fronts/descriptors/worker.js
@@ -0,0 +1,146 @@
+/* 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 {
+  workerDescriptorSpec,
+} = require("resource://devtools/shared/specs/descriptors/worker.js");
+const {
+  FrontClassWithSpec,
+  registerFront,
+} = require("resource://devtools/shared/protocol.js");
+const {
+  TargetMixin,
+} = require("resource://devtools/client/fronts/targets/target-mixin.js");
+const {
+  DescriptorMixin,
+} = require("resource://devtools/client/fronts/descriptors/descriptor-mixin.js");
+const DESCRIPTOR_TYPES = require("resource://devtools/client/fronts/descriptors/descriptor-types.js");
+
+class WorkerDescriptorFront extends DescriptorMixin(
+  TargetMixin(FrontClassWithSpec(workerDescriptorSpec))
+) {
+  constructor(client, targetFront, parentFront) {
+    super(client, targetFront, parentFront);
+
+    this.traits = {};
+  }
+
+  descriptorType = DESCRIPTOR_TYPES.WORKER;
+
+  form(json) {
+    this.actorID = json.actor;
+    this.id = json.id;
+
+    // Save the full form for Target class usage.
+    // Do not use `form` name to avoid colliding with protocol.js's `form` method
+    this.targetForm = json;
+    this._url = json.url;
+    this.type = json.type;
+    this.scope = json.scope;
+    this.fetch = json.fetch;
+    this.traits = json.traits;
+  }
+
+  get name() {
+    // this._url is nullified in TargetMixin#destroy.
+    if (!this.url) {
+      return null;
+    }
+
+    return this.url.split("/").pop();
+  }
+
+  get isWorkerDescriptor() {
+    return true;
+  }
+
+  get isDedicatedWorker() {
+    return this.type === Ci.nsIWorkerDebugger.TYPE_DEDICATED;
+  }
+
+  get isSharedWorker() {
+    return this.type === Ci.nsIWorkerDebugger.TYPE_SHARED;
+  }
+
+  get isServiceWorker() {
+    return this.type === Ci.nsIWorkerDebugger.TYPE_SERVICE;
+  }
+
+  // For now, WorkerDescriptor is morphed into a WorkerTarget when calling this method.
+  // Ideally, we would split this into two distinct classes.
+  async morphWorkerDescriptorIntoWorkerTarget() {
+    // temporary, will be moved once we have a target actor
+    return this.getTarget();
+  }
+
+  async getTarget() {
+    if (this._attach) {
+      return this._attach;
+    }
+
+    this._attach = (async () => {
+      if (this.isDestroyedOrBeingDestroyed()) {
+        return this;
+      }
+
+      if (this.isServiceWorker) {
+        this.registration = await this._getRegistrationIfActive();
+        if (this.registration) {
+          await this.registration.preventShutdown();
+        }
+      }
+
+      if (this.isDestroyedOrBeingDestroyed()) {
+        return this;
+      }
+
+      const workerTargetForm = await super.getTarget();
+
+      // Set the console and thread actor IDs on the form so it is accessible by TargetMixin.getFront
+      this.targetForm.consoleActor = workerTargetForm.consoleActor;
+      this.targetForm.threadActor = workerTargetForm.threadActor;
+      this.targetForm.tracerActor = workerTargetForm.tracerActor;
+
+      if (this.isDestroyedOrBeingDestroyed()) {
+        return this;
+      }
+
+      return this;
+    })();
+    return this._attach;
+  }
+
+  async detach() {
+    try {
+      await super.detach();
+
+      if (this.registration) {
+        // Bug 1644772 - Sometimes, the Browser Toolbox fails opening with a connection timeout
+        // with an exception related to this call to allowShutdown and its usage of detachDebugger API.
+        await this.registration.allowShutdown();
+        this.registration = null;
+      }
+    } catch (e) {
+      this.logDetachError(e, "worker");
+    }
+  }
+
+  async _getRegistrationIfActive() {
+    const { registrations } =
+      await this.client.mainRoot.listServiceWorkerRegistrations();
+    return registrations.find(({ activeWorker }) => {
+      return activeWorker && this.id === activeWorker.id;
+    });
+  }
+
+  reconfigure() {
+    // Toolbox and options panel are calling this method but Worker Target can't be
+    // reconfigured. So we ignore this call here.
+    return Promise.resolve();
+  }
+}
+
+exports.WorkerDescriptorFront = WorkerDescriptorFront;
+registerFront(exports.WorkerDescriptorFront);