security/manager/ssl/PSMRunnable.h

   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 {
  14 namespace psm {
  15
  16 // Wait for the event to run on the target thread without spinning the event
  17 // loop on the calling thread. (Dispatching events to a thread using
  18 // NS_DispatchAndSpinEventLoopUntilComplete would cause the event loop on the
  19 // calling thread to spin.)
  20 class SyncRunnableBase : public Runnable {
  21  public:
  22   NS_DECL_NSIRUNNABLE
  23   nsresult DispatchToMainThreadAndWait();
  24
  25  protected:
  26   SyncRunnableBase();
  27   virtual void RunOnTargetThread() = 0;
  28
  29  private:
  30   mozilla::Monitor monitor MOZ_UNANNOTATED;
  31 };
  32
  33 class NotifyObserverRunnable : public Runnable {
  34  public:
  35   NotifyObserverRunnable(nsIObserver* observer, const char* topicStringLiteral)
  36       : Runnable("psm::NotifyObserverRunnable"),
  37         mObserver(new nsMainThreadPtrHolder<nsIObserver>(
  38             "psm::NotifyObserverRunnable::mObserver", observer)),
  39         mTopic(topicStringLiteral) {}
  40   NS_DECL_NSIRUNNABLE
  41  private:
  42   nsMainThreadPtrHandle<nsIObserver> mObserver;
  43   const char* const mTopic;
  44 };
  45
  46 }  // namespace psm
  47 }  // namespace mozilla
  48
  49 #endif