michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef nsPagePrintTimer_h___
michael@0: #define nsPagePrintTimer_h___
michael@0: 
michael@0: // Timer Includes
michael@0: #include "nsITimer.h"
michael@0: 
michael@0: #include "nsIDocumentViewerPrint.h"
michael@0: #include "nsPrintObject.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsThreadUtils.h"
michael@0: 
michael@0: class nsPrintEngine;
michael@0: 
michael@0: //---------------------------------------------------
michael@0: //-- Page Timer Class
michael@0: //---------------------------------------------------
michael@0: class nsPagePrintTimer MOZ_FINAL : public nsRunnable,
michael@0:                                    public nsITimerCallback
michael@0: {
michael@0: public:
michael@0: 
michael@0:   NS_DECL_ISUPPORTS
michael@0: 
michael@0:   nsPagePrintTimer(nsPrintEngine* aPrintEngine,
michael@0:                    nsIDocumentViewerPrint* aDocViewerPrint,
michael@0:                    uint32_t aDelay)
michael@0:     : mPrintEngine(aPrintEngine)
michael@0:     , mDocViewerPrint(aDocViewerPrint)
michael@0:     , mDelay(aDelay)
michael@0:     , mFiringCount(0)
michael@0:     , mPrintObj(nullptr)
michael@0:     , mWatchDogCount(0)
michael@0:     , mDone(false)
michael@0:   {
michael@0:     mDocViewerPrint->IncrementDestroyRefCount();
michael@0:   }
michael@0:   ~nsPagePrintTimer();
michael@0: 
michael@0:   NS_DECL_NSITIMERCALLBACK
michael@0: 
michael@0:   nsresult Start(nsPrintObject* aPO);
michael@0: 
michael@0:   NS_IMETHOD Run() MOZ_OVERRIDE;
michael@0: 
michael@0:   void Stop();
michael@0: 
michael@0: private:
michael@0:   nsresult StartTimer(bool aUseDelay);
michael@0:   nsresult StartWatchDogTimer();
michael@0:   void     StopWatchDogTimer();
michael@0:   void     Fail();
michael@0: 
michael@0:   nsPrintEngine*             mPrintEngine;
michael@0:   nsCOMPtr<nsIDocumentViewerPrint> mDocViewerPrint;
michael@0:   nsCOMPtr<nsITimer>         mTimer;
michael@0:   nsCOMPtr<nsITimer>         mWatchDogTimer;
michael@0:   uint32_t                   mDelay;
michael@0:   uint32_t                   mFiringCount;
michael@0:   nsPrintObject *            mPrintObj;
michael@0:   uint32_t                   mWatchDogCount;
michael@0:   bool                       mDone;
michael@0: 
michael@0:   static const uint32_t WATCH_DOG_INTERVAL  = 1000;
michael@0:   static const uint32_t WATCH_DOG_MAX_COUNT = 10;
michael@0: };
michael@0: 
michael@0: 
michael@0: nsresult
michael@0: NS_NewPagePrintTimer(nsPagePrintTimer **aResult);
michael@0: 
michael@0: #endif /* nsPagePrintTimer_h___ */