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 /* 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 PSMRunnable_h

 #define PSMRunnable_h

 #include "mozilla/Monitor.h"

 #include "nsThreadUtils.h"

 #include "nsIObserver.h"

 #include "nsProxyRelease.h"

 namespace mozilla { namespace psm {

 // Wait for the event to run on the target thread without spinning the event

 // loop on the calling thread. (Dispatching events to a thread using

 // NS_DISPATCH_SYNC would cause the event loop on the calling thread to spin.)

 class SyncRunnableBase : public nsRunnable

 {

 public:

   NS_DECL_NSIRUNNABLE

   nsresult DispatchToMainThreadAndWait();

 protected:

   SyncRunnableBase();

   virtual void RunOnTargetThread() = 0;

 private:

   mozilla::Monitor monitor;

 };

 class NotifyObserverRunnable : public nsRunnable

 {

 public:

   NotifyObserverRunnable(nsIObserver * observer,

                          const char * topicStringLiteral)

     : mObserver(), mTopic(topicStringLiteral) {

     mObserver = new nsMainThreadPtrHolder<nsIObserver>(observer);

   }

   NS_DECL_NSIRUNNABLE

 private:

   nsMainThreadPtrHandle<nsIObserver> mObserver;

   const char * const mTopic;

 };

 } } // namespace mozilla::psm

 #endif