layout/generic/nsBulletFrame.h@b8a032363ba2 (annotated)
layout/generic/nsBulletFrame.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| 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 | |
| michael@0 | 6 | /* rendering object for list-item bullets */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef nsBulletFrame_h___ |
| michael@0 | 9 | #define nsBulletFrame_h___ |
| michael@0 | 10 | |
| michael@0 | 11 | #include "mozilla/Attributes.h" |
| michael@0 | 12 | #include "nsFrame.h" |
| michael@0 | 13 | |
| michael@0 | 14 | #include "imgINotificationObserver.h" |
| michael@0 | 15 | |
| michael@0 | 16 | class imgIContainer; |
| michael@0 | 17 | class imgRequestProxy; |
| michael@0 | 18 | |
| michael@0 | 19 | class nsBulletFrame; |
| michael@0 | 20 | |
| michael@0 | 21 | class nsBulletListener : public imgINotificationObserver |
| michael@0 | 22 | { |
| michael@0 | 23 | public: |
| michael@0 | 24 | nsBulletListener(); |
| michael@0 | 25 | virtual ~nsBulletListener(); |
| michael@0 | 26 | |
| michael@0 | 27 | NS_DECL_ISUPPORTS |
| michael@0 | 28 | NS_DECL_IMGINOTIFICATIONOBSERVER |
| michael@0 | 29 | |
| michael@0 | 30 | void SetFrame(nsBulletFrame *frame) { mFrame = frame; } |
| michael@0 | 31 | |
| michael@0 | 32 | private: |
| michael@0 | 33 | nsBulletFrame *mFrame; |
| michael@0 | 34 | }; |
| michael@0 | 35 | |
| michael@0 | 36 | /** |
| michael@0 | 37 | * A simple class that manages the layout and rendering of html bullets. |
| michael@0 | 38 | * This class also supports the CSS list-style properties. |
| michael@0 | 39 | */ |
| michael@0 | 40 | class nsBulletFrame : public nsFrame { |
| michael@0 | 41 | public: |
| michael@0 | 42 | NS_DECL_FRAMEARENA_HELPERS |
| michael@0 | 43 | #ifdef DEBUG |
| michael@0 | 44 | NS_DECL_QUERYFRAME_TARGET(nsBulletFrame) |
| michael@0 | 45 | NS_DECL_QUERYFRAME |
| michael@0 | 46 | #endif |
| michael@0 | 47 | |
| michael@0 | 48 | nsBulletFrame(nsStyleContext* aContext) |
| michael@0 | 49 | : nsFrame(aContext) |
| michael@0 | 50 | { |
| michael@0 | 51 | } |
| michael@0 | 52 | virtual ~nsBulletFrame(); |
| michael@0 | 53 | |
| michael@0 | 54 | NS_IMETHOD Notify(imgIRequest *aRequest, int32_t aType, const nsIntRect* aData); |
| michael@0 | 55 | |
| michael@0 | 56 | // nsIFrame |
| michael@0 | 57 | virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE; |
| michael@0 | 58 | virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, |
| michael@0 | 59 | const nsRect& aDirtyRect, |
| michael@0 | 60 | const nsDisplayListSet& aLists) MOZ_OVERRIDE; |
| michael@0 | 61 | virtual nsIAtom* GetType() const MOZ_OVERRIDE; |
| michael@0 | 62 | virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE; |
| michael@0 | 63 | #ifdef DEBUG_FRAME_DUMP |
| michael@0 | 64 | virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; |
| michael@0 | 65 | #endif |
| michael@0 | 66 | |
| michael@0 | 67 | // nsIHTMLReflow |
| michael@0 | 68 | virtual nsresult Reflow(nsPresContext* aPresContext, |
| michael@0 | 69 | nsHTMLReflowMetrics& aMetrics, |
| michael@0 | 70 | const nsHTMLReflowState& aReflowState, |
| michael@0 | 71 | nsReflowStatus& aStatus) MOZ_OVERRIDE; |
| michael@0 | 72 | virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE; |
| michael@0 | 73 | virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE; |
| michael@0 | 74 | |
| michael@0 | 75 | // nsBulletFrame |
| michael@0 | 76 | int32_t SetListItemOrdinal(int32_t aNextOrdinal, bool* aChanged, |
| michael@0 | 77 | int32_t aIncrement); |
| michael@0 | 78 | |
| michael@0 | 79 | |
| michael@0 | 80 | /* get list item text, without '.' */ |
| michael@0 | 81 | static void AppendCounterText(int32_t aListStyleType, |
| michael@0 | 82 | int32_t aOrdinal, |
| michael@0 | 83 | nsString& aResult, |
| michael@0 | 84 | bool& aIsRTL); |
| michael@0 | 85 | |
| michael@0 | 86 | /* get suffix of list item */ |
| michael@0 | 87 | static void GetListItemSuffix(int32_t aListStyleType, |
| michael@0 | 88 | nsString& aResult, |
| michael@0 | 89 | bool& aSuppressPadding); |
| michael@0 | 90 | |
| michael@0 | 91 | /* get list item text, with '.' */ |
| michael@0 | 92 | void GetListItemText(const nsStyleList& aStyleList, nsString& aResult); |
| michael@0 | 93 | |
| michael@0 | 94 | void PaintBullet(nsRenderingContext& aRenderingContext, nsPoint aPt, |
| michael@0 | 95 | const nsRect& aDirtyRect, uint32_t aFlags); |
| michael@0 | 96 | |
| michael@0 | 97 | virtual bool IsEmpty() MOZ_OVERRIDE; |
| michael@0 | 98 | virtual bool IsSelfEmpty() MOZ_OVERRIDE; |
| michael@0 | 99 | virtual nscoord GetBaseline() const MOZ_OVERRIDE; |
| michael@0 | 100 | |
| michael@0 | 101 | float GetFontSizeInflation() const; |
| michael@0 | 102 | bool HasFontSizeInflation() const { |
| michael@0 | 103 | return (GetStateBits() & BULLET_FRAME_HAS_FONT_INFLATION) != 0; |
| michael@0 | 104 | } |
| michael@0 | 105 | void SetFontSizeInflation(float aInflation); |
| michael@0 | 106 | |
| michael@0 | 107 | int32_t GetOrdinal() { return mOrdinal; } |
| michael@0 | 108 | |
| michael@0 | 109 | already_AddRefed<imgIContainer> GetImage() const; |
| michael@0 | 110 | |
| michael@0 | 111 | protected: |
| michael@0 | 112 | nsresult OnStartContainer(imgIRequest *aRequest, imgIContainer *aImage); |
| michael@0 | 113 | |
| michael@0 | 114 | void GetDesiredSize(nsPresContext* aPresContext, |
| michael@0 | 115 | nsRenderingContext *aRenderingContext, |
| michael@0 | 116 | nsHTMLReflowMetrics& aMetrics, |
| michael@0 | 117 | float aFontSizeInflation); |
| michael@0 | 118 | |
| michael@0 | 119 | void GetLoadGroup(nsPresContext *aPresContext, nsILoadGroup **aLoadGroup); |
| michael@0 | 120 | |
| michael@0 | 121 | nsMargin mPadding; |
| michael@0 | 122 | nsRefPtr<imgRequestProxy> mImageRequest; |
| michael@0 | 123 | nsRefPtr<nsBulletListener> mListener; |
| michael@0 | 124 | |
| michael@0 | 125 | nsSize mIntrinsicSize; |
| michael@0 | 126 | int32_t mOrdinal; |
| michael@0 | 127 | bool mTextIsRTL; |
| michael@0 | 128 | |
| michael@0 | 129 | // If set to true, any padding of bullet defined in the UA style sheet will |
| michael@0 | 130 | // be suppressed. This is used for some CJK numbering styles where extra |
| michael@0 | 131 | // space after the suffix is not desired. Note that, any author-specified |
| michael@0 | 132 | // padding overriding the default style will NOT be suppressed. |
| michael@0 | 133 | bool mSuppressPadding; |
| michael@0 | 134 | |
| michael@0 | 135 | private: |
| michael@0 | 136 | |
| michael@0 | 137 | // This is a boolean flag indicating whether or not the current image request |
| michael@0 | 138 | // has been registered with the refresh driver. |
| michael@0 | 139 | bool mRequestRegistered; |
| michael@0 | 140 | }; |
| michael@0 | 141 | |
| michael@0 | 142 | #endif /* nsBulletFrame_h___ */ |
