зеркало из https://github.com/mozilla/gecko-dev.git
93 строки
2.6 KiB
C++
93 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 "mozilla/OwningNonNull.h"
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#include "nsThreadUtils.h"
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class nsPrintJob;
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//---------------------------------------------------
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//-- Page Timer Class
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//---------------------------------------------------
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// Strictly speaking, this actually manages the timing of printing *sheets*
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// (instances of "PrintedSheetFrame"), each of which may encompass multiple
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// pages (nsPageFrames) of the document. The use of "Page" in the class name
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// here is for historical / colloquial purposes.
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class nsPagePrintTimer final : public mozilla::Runnable,
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public nsITimerCallback {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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nsPagePrintTimer(nsPrintJob* aPrintJob,
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nsIDocumentViewerPrint* aDocViewerPrint,
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mozilla::dom::Document* aDocument, uint32_t aDelay)
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: Runnable("nsPagePrintTimer"),
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mPrintJob(aPrintJob),
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mDocViewerPrint(aDocViewerPrint),
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mDocument(aDocument),
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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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MOZ_ASSERT(aDocViewerPrint && aDocument);
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mDocViewerPrint->IncrementDestroyBlockedCount();
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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() override;
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void Stop();
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void WaitForRemotePrint();
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void RemotePrintFinished();
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void Disconnect();
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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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nsPrintJob* mPrintJob;
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nsCOMPtr<nsIDocumentViewerPrint> mDocViewerPrint;
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RefPtr<mozilla::dom::Document> mDocument;
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nsCOMPtr<nsITimer> mTimer;
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nsCOMPtr<nsITimer> mWatchDogTimer;
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nsCOMPtr<nsITimer> mWaitingForRemotePrint;
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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 =
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#ifdef DEBUG
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// Debug builds are very slow (on Mac at least) and can need extra time
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30
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#else
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10
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#endif
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;
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};
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#endif /* nsPagePrintTimer_h___ */
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