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-rw-r--r--dom/serviceworkers/ServiceWorkerShutdownState.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/dom/serviceworkers/ServiceWorkerShutdownState.h b/dom/serviceworkers/ServiceWorkerShutdownState.h
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+++ b/dom/serviceworkers/ServiceWorkerShutdownState.h
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+/* -*- 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/. */
+
+#ifndef DOM_SERVICEWORKERS_SERVICEWORKERSHUTDOWNSTATE_H_
+#define DOM_SERVICEWORKERS_SERVICEWORKERSHUTDOWNSTATE_H_
+
+#include <cstdint>
+
+#include "ipc/EnumSerializer.h"
+#include "mozilla/dom/ServiceWorkerOpArgs.h"
+
+namespace mozilla::dom {
+
+class ServiceWorkerShutdownState {
+ public:
+ // Represents the "location" of the shutdown message or completion of
+ // shutdown.
+ enum class Progress {
+ ParentProcessMainThread,
+ ParentProcessIpdlBackgroundThread,
+ ContentProcessWorkerLauncherThread,
+ ContentProcessMainThread,
+ ShutdownCompleted,
+ EndGuard_,
+ };
+
+ ServiceWorkerShutdownState();
+
+ ~ServiceWorkerShutdownState();
+
+ const char* GetProgressString() const;
+
+ void SetProgress(Progress aProgress);
+
+ private:
+ Progress mProgress;
+};
+
+// Asynchronously reports that shutdown has progressed to the calling thread
+// if aArgs is for shutdown. If aShutdownCompleted is true, aArgs must be for
+// shutdown.
+void MaybeReportServiceWorkerShutdownProgress(const ServiceWorkerOpArgs& aArgs,
+ bool aShutdownCompleted = false);
+
+} // namespace mozilla::dom
+
+namespace IPC {
+
+using Progress = mozilla::dom::ServiceWorkerShutdownState::Progress;
+
+template <>
+struct ParamTraits<Progress>
+ : public ContiguousEnumSerializer<
+ Progress, Progress::ParentProcessMainThread, Progress::EndGuard_> {};
+
+} // namespace IPC
+
+#endif // DOM_SERVICEWORKERS_SERVICEWORKERSHUTDOWNSTATE_H_