1 files changed, 100 insertions, 0 deletions
diff --git a/dom/serviceworkers/ServiceWorkerDescriptor.h b/dom/serviceworkers/ServiceWorkerDescriptor.h
new file mode 100644
index 0000000000..b85890089b
--- /dev/null
+++ b/dom/serviceworkers/ServiceWorkerDescriptor.h
@@ -0,0 +1,100 @@
+/* -*- 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 _mozilla_dom_ServiceWorkerDescriptor_h
+#define _mozilla_dom_ServiceWorkerDescriptor_h
+
+#include "mozilla/UniquePtr.h"
+#include "nsCOMPtr.h"
+#include "nsString.h"
+
+class nsIPrincipal;
+
+namespace mozilla {
+
+namespace ipc {
+class PrincipalInfo;
+}  // namespace ipc
+
+namespace dom {
+
+class IPCServiceWorkerDescriptor;
+enum class ServiceWorkerState : uint8_t;
+
+// This class represents a snapshot of a particular ServiceWorkerInfo object.
+// It is threadsafe and can be transferred across processes.  This is useful
+// because most of its values are immutable and can be relied upon to be
+// accurate. Currently the only variable field is the ServiceWorkerState.
+class ServiceWorkerDescriptor final {
+  // This class is largely a wrapper around an IPDL generated struct.  We
+  // need the wrapper class since IPDL generated code includes windows.h
+  // which is in turn incompatible with bindings code.
+  UniquePtr<IPCServiceWorkerDescriptor> mData;
+
+ public:
+  ServiceWorkerDescriptor(uint64_t aId, uint64_t aRegistrationId,
+                          uint64_t aRegistrationVersion,
+                          nsIPrincipal* aPrincipal, const nsACString& aScope,
+                          const nsACString& aScriptURL,
+                          ServiceWorkerState aState);
+
+  ServiceWorkerDescriptor(uint64_t aId, uint64_t aRegistrationId,
+                          uint64_t aRegistrationVersion,
+                          const mozilla::ipc::PrincipalInfo& aPrincipalInfo,
+                          const nsACString& aScope,
+                          const nsACString& aScriptURL,
+                          ServiceWorkerState aState);
+
+  explicit ServiceWorkerDescriptor(
+      const IPCServiceWorkerDescriptor& aDescriptor);
+
+  ServiceWorkerDescriptor(const ServiceWorkerDescriptor& aRight);
+
+  ServiceWorkerDescriptor& operator=(const ServiceWorkerDescriptor& aRight);
+
+  ServiceWorkerDescriptor(ServiceWorkerDescriptor&& aRight);
+
+  ServiceWorkerDescriptor& operator=(ServiceWorkerDescriptor&& aRight);
+
+  ~ServiceWorkerDescriptor();
+
+  bool operator==(const ServiceWorkerDescriptor& aRight) const;
+
+  uint64_t Id() const;
+
+  uint64_t RegistrationId() const;
+
+  uint64_t RegistrationVersion() const;
+
+  const mozilla::ipc::PrincipalInfo& PrincipalInfo() const;
+
+  Result<nsCOMPtr<nsIPrincipal>, nsresult> GetPrincipal() const;
+
+  const nsCString& Scope() const;
+
+  const nsCString& ScriptURL() const;
+
+  ServiceWorkerState State() const;
+
+  void SetState(ServiceWorkerState aState);
+
+  void SetRegistrationVersion(uint64_t aVersion);
+
+  bool HandlesFetch() const;
+
+  void SetHandlesFetch(bool aHandlesFetch);
+
+  // Try to determine if two workers match each other.  This is less strict
+  // than an operator==() call since it ignores mutable values like State().
+  bool Matches(const ServiceWorkerDescriptor& aDescriptor) const;
+
+  // Expose the underlying IPC type so that it can be passed via IPC.
+  const IPCServiceWorkerDescriptor& ToIPC() const;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // _mozilla_dom_ServiceWorkerDescriptor_h