зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
3.6 KiB
C++
101 строка
3.6 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 nsPrintData_h___
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#define nsPrintData_h___
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#include "mozilla/Attributes.h"
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#include "mozilla/UniquePtr.h"
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// Interfaces
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#include "nsDeviceContext.h"
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#include "nsIPrintProgressParams.h"
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#include "nsIPrintSettings.h"
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#include "nsISupportsImpl.h"
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#include "nsTArray.h"
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#include "nsCOMArray.h"
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// Classes
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class nsPrintObject;
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class nsPrintPreviewListener;
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class nsIWebProgressListener;
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//------------------------------------------------------------------------
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// nsPrintData Class
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//
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// mPreparingForPrint - indicates that we have started Printing but
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// have not gone to the timer to start printing the pages. It gets turned
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// off right before we go to the timer.
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//
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// mDocWasToBeDestroyed - Gets set when "someone" tries to unload the document
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// while we were prparing to Print. This typically happens if a user starts
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// to print while a page is still loading. If they start printing and pause
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// at the print dialog and then the page comes in, we then abort printing
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// because the document is no longer stable.
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//
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//------------------------------------------------------------------------
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class nsPrintData {
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public:
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typedef enum {eIsPrinting, eIsPrintPreview } ePrintDataType;
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explicit nsPrintData(ePrintDataType aType);
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NS_INLINE_DECL_REFCOUNTING(nsPrintData)
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// Listener Helper Methods
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void OnEndPrinting();
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void OnStartPrinting();
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void DoOnProgressChange(int32_t aProgress,
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int32_t aMaxProgress,
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bool aDoStartStop,
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int32_t aFlag);
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void DoOnStatusChange(nsresult aStatus);
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ePrintDataType mType; // the type of data this is (Printing or Print Preview)
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RefPtr<nsDeviceContext> mPrintDC;
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FILE *mDebugFilePtr; // a file where information can go to when printing
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mozilla::UniquePtr<nsPrintObject> mPrintObject;
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nsCOMArray<nsIWebProgressListener> mPrintProgressListeners;
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nsCOMPtr<nsIPrintProgressParams> mPrintProgressParams;
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nsCOMPtr<nsPIDOMWindowOuter> mCurrentFocusWin; // cache a pointer to the currently focused window
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// Array of non-owning pointers to all the nsPrintObjects owned by this
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// nsPrintData. This includes this->mPrintObject, as well as all of its
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// mKids (and their mKids, etc.)
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nsTArray<nsPrintObject*> mPrintDocList;
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bool mIsIFrameSelected;
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bool mIsParentAFrameSet;
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bool mOnStartSent;
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bool mIsAborted; // tells us the document is being aborted
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bool mPreparingForPrint; // see comments above
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bool mDocWasToBeDestroyed; // see comments above
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bool mShrinkToFit;
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int16_t mPrintFrameType;
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int32_t mNumPrintablePages;
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int32_t mNumPagesPrinted;
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float mShrinkRatio;
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float mOrigDCScale;
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nsCOMPtr<nsIPrintSettings> mPrintSettings;
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nsPrintPreviewListener* mPPEventListeners;
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char16_t* mBrandName; // needed as a substitute name for a document
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private:
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nsPrintData() = delete;
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nsPrintData& operator=(const nsPrintData& aOther) = delete;
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~nsPrintData(); // non-virtual
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};
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#endif /* nsPrintData_h___ */
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