Line data    Source code

       1             : /* This Source Code Form is subject to the terms of the Mozilla Public
       2             : * License, v. 2.0. If a copy of the MPL was not distributed with this
       3             : * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       4             : 
       5             : #ifndef PSMRunnable_h
       6             : #define PSMRunnable_h
       7             : 
       8             : #include "mozilla/Monitor.h"
       9             : #include "nsThreadUtils.h"
      10             : #include "nsIObserver.h"
      11             : #include "nsProxyRelease.h"
      12             : 
      13             : namespace mozilla { namespace psm {
      14             : 
      15             : // Wait for the event to run on the target thread without spinning the event
      16             : // loop on the calling thread. (Dispatching events to a thread using
      17             : // NS_DISPATCH_SYNC would cause the event loop on the calling thread to spin.)
      18           0 : class SyncRunnableBase : public Runnable
      19             : {
      20             : public:
      21             :   NS_DECL_NSIRUNNABLE
      22             :   nsresult DispatchToMainThreadAndWait();
      23             : protected:
      24             :   SyncRunnableBase();
      25             :   virtual void RunOnTargetThread() = 0;
      26             : private:
      27             :   mozilla::Monitor monitor;
      28             : };
      29             : 
      30           0 : class NotifyObserverRunnable : public Runnable
      31             : {
      32             : public:
      33           0 :   NotifyObserverRunnable(nsIObserver * observer,
      34             :                          const char * topicStringLiteral)
      35           0 :     : Runnable("psm::NotifyObserverRunnable"),
      36             :       mObserver(new nsMainThreadPtrHolder<nsIObserver>(
      37           0 :         "psm::NotifyObserverRunnable::mObserver", observer)),
      38           0 :       mTopic(topicStringLiteral) {
      39           0 :   }
      40             :   NS_DECL_NSIRUNNABLE
      41             : private:
      42             :   nsMainThreadPtrHandle<nsIObserver> mObserver;
      43             :   const char * const mTopic;
      44             : };
      45             : 
      46             : } } // namespace mozilla::psm
      47             : 
      48             : #endif