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comparison: layout/generic/nsSimplePageSequenceFrame.h
layout/generic/nsSimplePageSequenceFrame.h
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- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:93ab1e07ad69 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 #ifndef nsSimplePageSequenceFrame_h___ | |
| 6 #define nsSimplePageSequenceFrame_h___ | |
| 7 | |
| 8 #include "mozilla/Attributes.h" | |
| 9 #include "nsIPageSequenceFrame.h" | |
| 10 #include "nsContainerFrame.h" | |
| 11 #include "nsIPrintSettings.h" | |
| 12 #include "nsIPrintOptions.h" | |
| 13 | |
| 14 class nsIDateTimeFormat; | |
| 15 | |
| 16 namespace mozilla { | |
| 17 namespace dom { | |
| 18 | |
| 19 class HTMLCanvasElement; | |
| 20 | |
| 21 } | |
| 22 } | |
| 23 | |
| 24 //----------------------------------------------- | |
| 25 // This class maintains all the data that | |
| 26 // is used by all the page frame | |
| 27 // It lives while the nsSimplePageSequenceFrame lives | |
| 28 class nsSharedPageData { | |
| 29 public: | |
| 30 // This object a shared by all the nsPageFrames | |
| 31 // parented to a SimplePageSequenceFrame | |
| 32 nsSharedPageData() : mShrinkToFitRatio(1.0f) {} | |
| 33 | |
| 34 nsString mDateTimeStr; | |
| 35 nsString mPageNumFormat; | |
| 36 nsString mPageNumAndTotalsFormat; | |
| 37 nsString mDocTitle; | |
| 38 nsString mDocURL; | |
| 39 nsFont mHeadFootFont; | |
| 40 | |
| 41 nsSize mReflowSize; | |
| 42 nsMargin mReflowMargin; | |
| 43 // Margin for headers and footers; it defaults to 4/100 of an inch on UNIX | |
| 44 // and 0 elsewhere; I think it has to do with some inconsistency in page size | |
| 45 // computations | |
| 46 nsMargin mEdgePaperMargin; | |
| 47 | |
| 48 nsCOMPtr<nsIPrintSettings> mPrintSettings; | |
| 49 nsCOMPtr<nsIPrintOptions> mPrintOptions; | |
| 50 | |
| 51 // The scaling ratio we need to apply to make all pages fit horizontally. It's | |
| 52 // the minimum "ComputedWidth / OverflowWidth" ratio of all page content frames | |
| 53 // that overflowed. It's 1.0 if none overflowed horizontally. | |
| 54 float mShrinkToFitRatio; | |
| 55 }; | |
| 56 | |
| 57 // Simple page sequence frame class. Used when we're in paginated mode | |
| 58 class nsSimplePageSequenceFrame : public nsContainerFrame, | |
| 59 public nsIPageSequenceFrame { | |
| 60 public: | |
| 61 friend nsIFrame* NS_NewSimplePageSequenceFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); | |
| 62 | |
| 63 NS_DECL_QUERYFRAME | |
| 64 NS_DECL_FRAMEARENA_HELPERS | |
| 65 | |
| 66 // nsIFrame | |
| 67 virtual nsresult Reflow(nsPresContext* aPresContext, | |
| 68 nsHTMLReflowMetrics& aDesiredSize, | |
| 69 const nsHTMLReflowState& aMaxSize, | |
| 70 nsReflowStatus& aStatus) MOZ_OVERRIDE; | |
| 71 | |
| 72 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, | |
| 73 const nsRect& aDirtyRect, | |
| 74 const nsDisplayListSet& aLists) MOZ_OVERRIDE; | |
| 75 | |
| 76 // nsIPageSequenceFrame | |
| 77 NS_IMETHOD SetPageNo(int32_t aPageNo) { return NS_OK;} | |
| 78 NS_IMETHOD SetSelectionHeight(nscoord aYOffset, nscoord aHeight) MOZ_OVERRIDE { mYSelOffset = aYOffset; mSelectionHeight = aHeight; return NS_OK; } | |
| 79 NS_IMETHOD SetTotalNumPages(int32_t aTotal) MOZ_OVERRIDE { mTotalPages = aTotal; return NS_OK; } | |
| 80 | |
| 81 // For Shrink To Fit | |
| 82 NS_IMETHOD GetSTFPercent(float& aSTFPercent) MOZ_OVERRIDE; | |
| 83 | |
| 84 // Async Printing | |
| 85 NS_IMETHOD StartPrint(nsPresContext* aPresContext, | |
| 86 nsIPrintSettings* aPrintSettings, | |
| 87 const nsAString& aDocTitle, | |
| 88 const nsAString& aDocURL) MOZ_OVERRIDE; | |
| 89 NS_IMETHOD PrePrintNextPage(nsITimerCallback* aCallback, bool* aDone) MOZ_OVERRIDE; | |
| 90 NS_IMETHOD PrintNextPage() MOZ_OVERRIDE; | |
| 91 NS_IMETHOD ResetPrintCanvasList() MOZ_OVERRIDE; | |
| 92 NS_IMETHOD GetCurrentPageNum(int32_t* aPageNum) MOZ_OVERRIDE; | |
| 93 NS_IMETHOD GetNumPages(int32_t* aNumPages) MOZ_OVERRIDE; | |
| 94 NS_IMETHOD IsDoingPrintRange(bool* aDoing) MOZ_OVERRIDE; | |
| 95 NS_IMETHOD GetPrintRange(int32_t* aFromPage, int32_t* aToPage) MOZ_OVERRIDE; | |
| 96 NS_IMETHOD DoPageEnd() MOZ_OVERRIDE; | |
| 97 | |
| 98 // We must allow Print Preview UI to have a background, no matter what the | |
| 99 // user's settings | |
| 100 virtual bool HonorPrintBackgroundSettings() MOZ_OVERRIDE { return false; } | |
| 101 | |
| 102 virtual bool HasTransformGetter() const MOZ_OVERRIDE { return true; } | |
| 103 | |
| 104 /** | |
| 105 * Get the "type" of the frame | |
| 106 * | |
| 107 * @see nsGkAtoms::sequenceFrame | |
| 108 */ | |
| 109 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 110 | |
| 111 #ifdef DEBUG_FRAME_DUMP | |
| 112 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; | |
| 113 #endif | |
| 114 | |
| 115 protected: | |
| 116 nsSimplePageSequenceFrame(nsStyleContext* aContext); | |
| 117 virtual ~nsSimplePageSequenceFrame(); | |
| 118 | |
| 119 void SetPageNumberFormat(const char* aPropName, const char* aDefPropVal, bool aPageNumOnly); | |
| 120 | |
| 121 // SharedPageData Helper methods | |
| 122 void SetDateTimeStr(const nsAString& aDateTimeStr); | |
| 123 void SetPageNumberFormat(const nsAString& aFormatStr, bool aForPageNumOnly); | |
| 124 | |
| 125 // Sets the frame desired size to the size of the viewport, or the given | |
| 126 // nscoords, whichever is larger. Print scaling is applied in this function. | |
| 127 void SetDesiredSize(nsHTMLReflowMetrics& aDesiredSize, | |
| 128 const nsHTMLReflowState& aReflowState, | |
| 129 nscoord aWidth, nscoord aHeight); | |
| 130 | |
| 131 void DetermineWhetherToPrintPage(); | |
| 132 nsIFrame* GetCurrentPageFrame(); | |
| 133 | |
| 134 nsMargin mMargin; | |
| 135 | |
| 136 // I18N date formatter service which we'll want to cache locally. | |
| 137 nsCOMPtr<nsIDateTimeFormat> mDateFormatter; | |
| 138 | |
| 139 nsSize mSize; | |
| 140 nsSharedPageData* mPageData; // data shared by all the nsPageFrames | |
| 141 | |
| 142 // Asynch Printing | |
| 143 int32_t mPageNum; | |
| 144 int32_t mTotalPages; | |
| 145 int32_t mPrintRangeType; | |
| 146 int32_t mFromPageNum; | |
| 147 int32_t mToPageNum; | |
| 148 nsTArray<int32_t> mPageRanges; | |
| 149 nsTArray<nsRefPtr<mozilla::dom::HTMLCanvasElement> > mCurrentCanvasList; | |
| 150 | |
| 151 // Selection Printing Info | |
| 152 nscoord mSelectionHeight; | |
| 153 nscoord mYSelOffset; | |
| 154 | |
| 155 // Asynch Printing | |
| 156 bool mPrintThisPage; | |
| 157 bool mDoingPageRange; | |
| 158 | |
| 159 bool mIsPrintingSelection; | |
| 160 | |
| 161 bool mCalledBeginPage; | |
| 162 | |
| 163 bool mCurrentCanvasListSetup; | |
| 164 }; | |
| 165 | |
| 166 #endif /* nsSimplePageSequenceFrame_h___ */ | |
| 167 |
