michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0: * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0: * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef PSMRunnable_h
michael@0: #define PSMRunnable_h
michael@0: 
michael@0: #include "mozilla/Monitor.h"
michael@0: #include "nsThreadUtils.h"
michael@0: #include "nsIObserver.h"
michael@0: #include "nsProxyRelease.h"
michael@0: 
michael@0: namespace mozilla { namespace psm {
michael@0: 
michael@0: // Wait for the event to run on the target thread without spinning the event
michael@0: // loop on the calling thread. (Dispatching events to a thread using
michael@0: // NS_DISPATCH_SYNC would cause the event loop on the calling thread to spin.)
michael@0: class SyncRunnableBase : public nsRunnable
michael@0: {
michael@0: public:
michael@0:   NS_DECL_NSIRUNNABLE
michael@0:   nsresult DispatchToMainThreadAndWait();
michael@0: protected:
michael@0:   SyncRunnableBase();
michael@0:   virtual void RunOnTargetThread() = 0;
michael@0: private:
michael@0:   mozilla::Monitor monitor;
michael@0: };
michael@0: 
michael@0: class NotifyObserverRunnable : public nsRunnable
michael@0: {
michael@0: public:
michael@0:   NotifyObserverRunnable(nsIObserver * observer,
michael@0:                          const char * topicStringLiteral)
michael@0:     : mObserver(), mTopic(topicStringLiteral) {
michael@0:     mObserver = new nsMainThreadPtrHolder<nsIObserver>(observer);
michael@0:   }
michael@0:   NS_DECL_NSIRUNNABLE
michael@0: private:
michael@0:   nsMainThreadPtrHandle<nsIObserver> mObserver;
michael@0:   const char * const mTopic;
michael@0: };
michael@0: 
michael@0: } } // namespace mozilla::psm
michael@0: 
michael@0: #endif