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-rw-r--r--dom/workers/WorkerHolder.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/dom/workers/WorkerHolder.cpp b/dom/workers/WorkerHolder.cpp
new file mode 100644
index 000000000..6383ae5a1
--- /dev/null
+++ b/dom/workers/WorkerHolder.cpp
@@ -0,0 +1,60 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#include "WorkerHolder.h"
+#include "WorkerPrivate.h"
+
+BEGIN_WORKERS_NAMESPACE
+
+WorkerHolder::WorkerHolder()
+ : mWorkerPrivate(nullptr)
+{
+}
+
+WorkerHolder::~WorkerHolder()
+{
+ NS_ASSERT_OWNINGTHREAD(WorkerHolder);
+ ReleaseWorkerInternal();
+ MOZ_ASSERT(mWorkerPrivate == nullptr);
+}
+
+bool
+WorkerHolder::HoldWorker(WorkerPrivate* aWorkerPrivate, Status aFailStatus)
+{
+ NS_ASSERT_OWNINGTHREAD(WorkerHolder);
+ MOZ_ASSERT(aWorkerPrivate);
+ aWorkerPrivate->AssertIsOnWorkerThread();
+
+ if (!aWorkerPrivate->AddHolder(this, aFailStatus)) {
+ return false;
+ }
+
+ mWorkerPrivate = aWorkerPrivate;
+ return true;
+}
+
+void
+WorkerHolder::ReleaseWorker()
+{
+ NS_ASSERT_OWNINGTHREAD(WorkerHolder);
+ MOZ_ASSERT(mWorkerPrivate);
+
+ ReleaseWorkerInternal();
+}
+
+void
+WorkerHolder::ReleaseWorkerInternal()
+{
+ NS_ASSERT_OWNINGTHREAD(WorkerHolder);
+
+ if (mWorkerPrivate) {
+ mWorkerPrivate->AssertIsOnWorkerThread();
+ mWorkerPrivate->RemoveHolder(this);
+ mWorkerPrivate = nullptr;
+ }
+}
+
+END_WORKERS_NAMESPACE