1 files changed, 79 insertions, 0 deletions
diff --git a/dom/cache/PrincipalVerifier.h b/dom/cache/PrincipalVerifier.h
new file mode 100644
index 000000000..d9bc98005
--- /dev/null
+++ b/dom/cache/PrincipalVerifier.h
@@ -0,0 +1,79 @@
+/* -*- 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_cache_PrincipalVerifier_h
+#define mozilla_dom_cache_PrincipalVerifier_h
+
+#include "mozilla/ipc/PBackgroundSharedTypes.h"
+#include "nsThreadUtils.h"
+#include "nsTObserverArray.h"
+
+namespace mozilla {
+
+namespace ipc {
+  class PBackgroundParent;
+} // namespace ipc
+
+namespace dom {
+namespace cache {
+
+class ManagerId;
+
+class PrincipalVerifier final : public Runnable
+{
+public:
+  // An interface to be implemented by code wishing to use the
+  // PrincipalVerifier.  Note, the Listener implementation is responsible
+  // for calling RemoveListener() on the PrincipalVerifier to clear the
+  // weak reference.
+  class Listener
+  {
+  public:
+    virtual void OnPrincipalVerified(nsresult aRv, ManagerId* aManagerId) = 0;
+  };
+
+  static already_AddRefed<PrincipalVerifier>
+  CreateAndDispatch(Listener* aListener, mozilla::ipc::PBackgroundParent* aActor,
+                    const mozilla::ipc::PrincipalInfo& aPrincipalInfo);
+
+  void AddListener(Listener* aListener);
+
+  // The Listener must call RemoveListener() when OnPrincipalVerified() is
+  // called or when the Listener is destroyed.
+  void RemoveListener(Listener* aListener);
+
+private:
+  PrincipalVerifier(Listener* aListener, mozilla::ipc::PBackgroundParent* aActor,
+                    const mozilla::ipc::PrincipalInfo& aPrincipalInfo);
+  virtual ~PrincipalVerifier();
+
+  void VerifyOnMainThread();
+  void CompleteOnInitiatingThread();
+
+  void DispatchToInitiatingThread(nsresult aRv);
+
+  // Weak reference cleared by RemoveListener()
+  typedef nsTObserverArray<Listener*> ListenerList;
+  ListenerList mListenerList;
+
+  // set in originating thread at construction, but must be accessed and
+  // released on main thread
+  RefPtr<ContentParent> mActor;
+
+  const mozilla::ipc::PrincipalInfo mPrincipalInfo;
+  nsCOMPtr<nsIThread> mInitiatingThread;
+  nsresult mResult;
+  RefPtr<ManagerId> mManagerId;
+
+public:
+  NS_DECL_NSIRUNNABLE
+};
+
+} // namespace cache
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_cache_PrincipalVerifier_h