forked from mirrors/gecko-dev
60 lines
2 KiB
C++
60 lines
2 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 nsIPageSequenceFrame_h___
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#define nsIPageSequenceFrame_h___
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#include "nsQueryFrame.h"
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#include "nsCoord.h"
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class nsPresContext;
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class nsIPrintSettings;
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class nsITimerCallback;
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/**
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* Interface for accessing special capabilities of the page sequence frame.
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*
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* Today all that exists are member functions for printing.
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*/
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class nsIPageSequenceFrame : public nsQueryFrame
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{
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public:
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NS_DECL_QUERYFRAME_TARGET(nsIPageSequenceFrame)
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/**
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* Print the set of pages.
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*
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* @param aPrintOptions options for printing
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* @param aStatusCallback interface that the client provides to receive
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* progress notifications. Can be nullptr
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* @return NS_OK if successful
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* NS_ERROR_ABORT if the client cancels printing using the callback
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* interface
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* NS_ERROR_INVALID_ARG if printing a range of pages (not all pages)
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* and the start page is greater than the total number of pages
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* NS_ERROR_FAILURE if there is an error
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*/
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NS_IMETHOD StartPrint(nsPresContext* aPresContext,
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nsIPrintSettings* aPrintOptions,
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const nsAString& aDocTitle,
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const nsAString& aDocURL) = 0;
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NS_IMETHOD PrePrintNextPage(nsITimerCallback* aCallback, bool* aDone) = 0;
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NS_IMETHOD PrintNextPage() = 0;
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NS_IMETHOD ResetPrintCanvasList() = 0;
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NS_IMETHOD GetCurrentPageNum(int32_t* aPageNum) = 0;
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NS_IMETHOD GetNumPages(int32_t* aNumPages) = 0;
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NS_IMETHOD IsDoingPrintRange(bool* aDoing) = 0;
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NS_IMETHOD GetPrintRange(int32_t* aFromPage, int32_t* aToPage) = 0;
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NS_IMETHOD DoPageEnd() = 0;
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// For Shrink To Fit
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NS_IMETHOD GetSTFPercent(float& aSTFPercent) = 0;
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};
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#endif /* nsIPageSequenceFrame_h___ */
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