layout/printing/nsPagePrintTimer.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/layout/printing/nsPagePrintTimer.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,75 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +#ifndef nsPagePrintTimer_h___
     1.9 +#define nsPagePrintTimer_h___
    1.10 +
    1.11 +// Timer Includes
    1.12 +#include "nsITimer.h"
    1.13 +
    1.14 +#include "nsIDocumentViewerPrint.h"
    1.15 +#include "nsPrintObject.h"
    1.16 +#include "mozilla/Attributes.h"
    1.17 +#include "nsThreadUtils.h"
    1.18 +
    1.19 +class nsPrintEngine;
    1.20 +
    1.21 +//---------------------------------------------------
    1.22 +//-- Page Timer Class
    1.23 +//---------------------------------------------------
    1.24 +class nsPagePrintTimer MOZ_FINAL : public nsRunnable,
    1.25 +                                   public nsITimerCallback
    1.26 +{
    1.27 +public:
    1.28 +
    1.29 +  NS_DECL_ISUPPORTS
    1.30 +
    1.31 +  nsPagePrintTimer(nsPrintEngine* aPrintEngine,
    1.32 +                   nsIDocumentViewerPrint* aDocViewerPrint,
    1.33 +                   uint32_t aDelay)
    1.34 +    : mPrintEngine(aPrintEngine)
    1.35 +    , mDocViewerPrint(aDocViewerPrint)
    1.36 +    , mDelay(aDelay)
    1.37 +    , mFiringCount(0)
    1.38 +    , mPrintObj(nullptr)
    1.39 +    , mWatchDogCount(0)
    1.40 +    , mDone(false)
    1.41 +  {
    1.42 +    mDocViewerPrint->IncrementDestroyRefCount();
    1.43 +  }
    1.44 +  ~nsPagePrintTimer();
    1.45 +
    1.46 +  NS_DECL_NSITIMERCALLBACK
    1.47 +
    1.48 +  nsresult Start(nsPrintObject* aPO);
    1.49 +
    1.50 +  NS_IMETHOD Run() MOZ_OVERRIDE;
    1.51 +
    1.52 +  void Stop();
    1.53 +
    1.54 +private:
    1.55 +  nsresult StartTimer(bool aUseDelay);
    1.56 +  nsresult StartWatchDogTimer();
    1.57 +  void     StopWatchDogTimer();
    1.58 +  void     Fail();
    1.59 +
    1.60 +  nsPrintEngine*             mPrintEngine;
    1.61 +  nsCOMPtr<nsIDocumentViewerPrint> mDocViewerPrint;
    1.62 +  nsCOMPtr<nsITimer>         mTimer;
    1.63 +  nsCOMPtr<nsITimer>         mWatchDogTimer;
    1.64 +  uint32_t                   mDelay;
    1.65 +  uint32_t                   mFiringCount;
    1.66 +  nsPrintObject *            mPrintObj;
    1.67 +  uint32_t                   mWatchDogCount;
    1.68 +  bool                       mDone;
    1.69 +
    1.70 +  static const uint32_t WATCH_DOG_INTERVAL  = 1000;
    1.71 +  static const uint32_t WATCH_DOG_MAX_COUNT = 10;
    1.72 +};
    1.73 +
    1.74 +
    1.75 +nsresult
    1.76 +NS_NewPagePrintTimer(nsPagePrintTimer **aResult);
    1.77 +
    1.78 +#endif /* nsPagePrintTimer_h___ */

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