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