зеркало из https://github.com/mozilla/gecko-dev.git
77 строки
2.0 KiB
C++
77 строки
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* 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 nsPagePrintTimer_h___
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#define nsPagePrintTimer_h___
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// Timer Includes
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#include "nsITimer.h"
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#include "nsIDocumentViewerPrint.h"
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#include "nsPrintObject.h"
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#include "mozilla/Attributes.h"
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#include "nsThreadUtils.h"
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class nsPrintEngine;
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//---------------------------------------------------
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//-- Page Timer Class
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//---------------------------------------------------
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class nsPagePrintTimer MOZ_FINAL : public nsRunnable,
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public nsITimerCallback
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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nsPagePrintTimer(nsPrintEngine* aPrintEngine,
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nsIDocumentViewerPrint* aDocViewerPrint,
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uint32_t aDelay)
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: mPrintEngine(aPrintEngine)
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, mDocViewerPrint(aDocViewerPrint)
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, mDelay(aDelay)
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, mFiringCount(0)
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, mPrintObj(nullptr)
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, mWatchDogCount(0)
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, mDone(false)
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{
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mDocViewerPrint->IncrementDestroyRefCount();
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}
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NS_DECL_NSITIMERCALLBACK
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nsresult Start(nsPrintObject* aPO);
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NS_IMETHOD Run() MOZ_OVERRIDE;
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void Stop();
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private:
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~nsPagePrintTimer();
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nsresult StartTimer(bool aUseDelay);
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nsresult StartWatchDogTimer();
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void StopWatchDogTimer();
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void Fail();
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nsPrintEngine* mPrintEngine;
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nsCOMPtr<nsIDocumentViewerPrint> mDocViewerPrint;
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nsCOMPtr<nsITimer> mTimer;
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nsCOMPtr<nsITimer> mWatchDogTimer;
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uint32_t mDelay;
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uint32_t mFiringCount;
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nsPrintObject * mPrintObj;
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uint32_t mWatchDogCount;
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bool mDone;
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static const uint32_t WATCH_DOG_INTERVAL = 1000;
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static const uint32_t WATCH_DOG_MAX_COUNT = 10;
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};
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nsresult
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NS_NewPagePrintTimer(nsPagePrintTimer **aResult);
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#endif /* nsPagePrintTimer_h___ */
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