The Tor Browser / annotate

layout/generic/nsSimplePageSequenceFrame.h@6474c204b198 (annotated)

layout/generic/nsSimplePageSequenceFrame.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5 #ifndef nsSimplePageSequenceFrame_h___
michael@0 6 #define nsSimplePageSequenceFrame_h___
michael@0 7
michael@0 8 #include "mozilla/Attributes.h"
michael@0 9 #include "nsIPageSequenceFrame.h"
michael@0 10 #include "nsContainerFrame.h"
michael@0 11 #include "nsIPrintSettings.h"
michael@0 12 #include "nsIPrintOptions.h"
michael@0 13
michael@0 14 class nsIDateTimeFormat;
michael@0 15
michael@0 16 namespace mozilla {
michael@0 17 namespace dom {
michael@0 18
michael@0 19 class HTMLCanvasElement;
michael@0 20
michael@0 21 }
michael@0 22 }
michael@0 23
michael@0 24 //-----------------------------------------------
michael@0 25 // This class maintains all the data that
michael@0 26 // is used by all the page frame
michael@0 27 // It lives while the nsSimplePageSequenceFrame lives
michael@0 28 class nsSharedPageData {
michael@0 29 public:
michael@0 30 // This object a shared by all the nsPageFrames
michael@0 31 // parented to a SimplePageSequenceFrame
michael@0 32 nsSharedPageData() : mShrinkToFitRatio(1.0f) {}
michael@0 33
michael@0 34 nsString mDateTimeStr;
michael@0 35 nsString mPageNumFormat;
michael@0 36 nsString mPageNumAndTotalsFormat;
michael@0 37 nsString mDocTitle;
michael@0 38 nsString mDocURL;
michael@0 39 nsFont mHeadFootFont;
michael@0 40
michael@0 41 nsSize mReflowSize;
michael@0 42 nsMargin mReflowMargin;
michael@0 43 // Margin for headers and footers; it defaults to 4/100 of an inch on UNIX
michael@0 44 // and 0 elsewhere; I think it has to do with some inconsistency in page size
michael@0 45 // computations
michael@0 46 nsMargin mEdgePaperMargin;
michael@0 47
michael@0 48 nsCOMPtr<nsIPrintSettings> mPrintSettings;
michael@0 49 nsCOMPtr<nsIPrintOptions> mPrintOptions;
michael@0 50
michael@0 51 // The scaling ratio we need to apply to make all pages fit horizontally. It's
michael@0 52 // the minimum "ComputedWidth / OverflowWidth" ratio of all page content frames
michael@0 53 // that overflowed. It's 1.0 if none overflowed horizontally.
michael@0 54 float mShrinkToFitRatio;
michael@0 55 };
michael@0 56
michael@0 57 // Simple page sequence frame class. Used when we're in paginated mode
michael@0 58 class nsSimplePageSequenceFrame : public nsContainerFrame,
michael@0 59 public nsIPageSequenceFrame {
michael@0 60 public:
michael@0 61 friend nsIFrame* NS_NewSimplePageSequenceFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
michael@0 62
michael@0 63 NS_DECL_QUERYFRAME
michael@0 64 NS_DECL_FRAMEARENA_HELPERS
michael@0 65
michael@0 66 // nsIFrame
michael@0 67 virtual nsresult Reflow(nsPresContext* aPresContext,
michael@0 68 nsHTMLReflowMetrics& aDesiredSize,
michael@0 69 const nsHTMLReflowState& aMaxSize,
michael@0 70 nsReflowStatus& aStatus) MOZ_OVERRIDE;
michael@0 71
michael@0 72 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
michael@0 73 const nsRect& aDirtyRect,
michael@0 74 const nsDisplayListSet& aLists) MOZ_OVERRIDE;
michael@0 75
michael@0 76 // nsIPageSequenceFrame
michael@0 77 NS_IMETHOD SetPageNo(int32_t aPageNo) { return NS_OK;}
michael@0 78 NS_IMETHOD SetSelectionHeight(nscoord aYOffset, nscoord aHeight) MOZ_OVERRIDE { mYSelOffset = aYOffset; mSelectionHeight = aHeight; return NS_OK; }
michael@0 79 NS_IMETHOD SetTotalNumPages(int32_t aTotal) MOZ_OVERRIDE { mTotalPages = aTotal; return NS_OK; }
michael@0 80
michael@0 81 // For Shrink To Fit
michael@0 82 NS_IMETHOD GetSTFPercent(float& aSTFPercent) MOZ_OVERRIDE;
michael@0 83
michael@0 84 // Async Printing
michael@0 85 NS_IMETHOD StartPrint(nsPresContext* aPresContext,
michael@0 86 nsIPrintSettings* aPrintSettings,
michael@0 87 const nsAString& aDocTitle,
michael@0 88 const nsAString& aDocURL) MOZ_OVERRIDE;
michael@0 89 NS_IMETHOD PrePrintNextPage(nsITimerCallback* aCallback, bool* aDone) MOZ_OVERRIDE;
michael@0 90 NS_IMETHOD PrintNextPage() MOZ_OVERRIDE;
michael@0 91 NS_IMETHOD ResetPrintCanvasList() MOZ_OVERRIDE;
michael@0 92 NS_IMETHOD GetCurrentPageNum(int32_t* aPageNum) MOZ_OVERRIDE;
michael@0 93 NS_IMETHOD GetNumPages(int32_t* aNumPages) MOZ_OVERRIDE;
michael@0 94 NS_IMETHOD IsDoingPrintRange(bool* aDoing) MOZ_OVERRIDE;
michael@0 95 NS_IMETHOD GetPrintRange(int32_t* aFromPage, int32_t* aToPage) MOZ_OVERRIDE;
michael@0 96 NS_IMETHOD DoPageEnd() MOZ_OVERRIDE;
michael@0 97
michael@0 98 // We must allow Print Preview UI to have a background, no matter what the
michael@0 99 // user's settings
michael@0 100 virtual bool HonorPrintBackgroundSettings() MOZ_OVERRIDE { return false; }
michael@0 101
michael@0 102 virtual bool HasTransformGetter() const MOZ_OVERRIDE { return true; }
michael@0 103
michael@0 104 /**
michael@0 105 * Get the "type" of the frame
michael@0 106 *
michael@0 107 * @see nsGkAtoms::sequenceFrame
michael@0 108 */
michael@0 109 virtual nsIAtom* GetType() const MOZ_OVERRIDE;
michael@0 110
michael@0 111 #ifdef DEBUG_FRAME_DUMP
michael@0 112 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
michael@0 113 #endif
michael@0 114
michael@0 115 protected:
michael@0 116 nsSimplePageSequenceFrame(nsStyleContext* aContext);
michael@0 117 virtual ~nsSimplePageSequenceFrame();
michael@0 118
michael@0 119 void SetPageNumberFormat(const char* aPropName, const char* aDefPropVal, bool aPageNumOnly);
michael@0 120
michael@0 121 // SharedPageData Helper methods
michael@0 122 void SetDateTimeStr(const nsAString& aDateTimeStr);
michael@0 123 void SetPageNumberFormat(const nsAString& aFormatStr, bool aForPageNumOnly);
michael@0 124
michael@0 125 // Sets the frame desired size to the size of the viewport, or the given
michael@0 126 // nscoords, whichever is larger. Print scaling is applied in this function.
michael@0 127 void SetDesiredSize(nsHTMLReflowMetrics& aDesiredSize,
michael@0 128 const nsHTMLReflowState& aReflowState,
michael@0 129 nscoord aWidth, nscoord aHeight);
michael@0 130
michael@0 131 void DetermineWhetherToPrintPage();
michael@0 132 nsIFrame* GetCurrentPageFrame();
michael@0 133
michael@0 134 nsMargin mMargin;
michael@0 135
michael@0 136 // I18N date formatter service which we'll want to cache locally.
michael@0 137 nsCOMPtr<nsIDateTimeFormat> mDateFormatter;
michael@0 138
michael@0 139 nsSize mSize;
michael@0 140 nsSharedPageData* mPageData; // data shared by all the nsPageFrames
michael@0 141
michael@0 142 // Asynch Printing
michael@0 143 int32_t mPageNum;
michael@0 144 int32_t mTotalPages;
michael@0 145 int32_t mPrintRangeType;
michael@0 146 int32_t mFromPageNum;
michael@0 147 int32_t mToPageNum;
michael@0 148 nsTArray<int32_t> mPageRanges;
michael@0 149 nsTArray<nsRefPtr<mozilla::dom::HTMLCanvasElement> > mCurrentCanvasList;
michael@0 150
michael@0 151 // Selection Printing Info
michael@0 152 nscoord mSelectionHeight;
michael@0 153 nscoord mYSelOffset;
michael@0 154
michael@0 155 // Asynch Printing
michael@0 156 bool mPrintThisPage;
michael@0 157 bool mDoingPageRange;
michael@0 158
michael@0 159 bool mIsPrintingSelection;
michael@0 160
michael@0 161 bool mCalledBeginPage;
michael@0 162
michael@0 163 bool mCurrentCanvasListSetup;
michael@0 164 };
michael@0 165
michael@0 166 #endif /* nsSimplePageSequenceFrame_h___ */
michael@0 167

Mercurial Repository: The Tor Browser

Europalab SCM Repository Server

mercurial