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comparison: layout/generic/nsFrameSetFrame.h
layout/generic/nsFrameSetFrame.h
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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 | |
| 6 /* rendering object for HTML <frameset> elements */ | |
| 7 | |
| 8 #ifndef nsHTMLFrameset_h___ | |
| 9 #define nsHTMLFrameset_h___ | |
| 10 | |
| 11 #include "mozilla/Attributes.h" | |
| 12 #include "nsContainerFrame.h" | |
| 13 #include "nsColor.h" | |
| 14 | |
| 15 class nsIContent; | |
| 16 class nsPresContext; | |
| 17 struct nsRect; | |
| 18 struct nsHTMLReflowState; | |
| 19 struct nsSize; | |
| 20 class nsIAtom; | |
| 21 class nsHTMLFramesetBorderFrame; | |
| 22 class nsHTMLFramesetFrame; | |
| 23 | |
| 24 #define NO_COLOR 0xFFFFFFFA | |
| 25 | |
| 26 // defined at HTMLFrameSetElement.h | |
| 27 struct nsFramesetSpec; | |
| 28 | |
| 29 struct nsBorderColor | |
| 30 { | |
| 31 nscolor mLeft; | |
| 32 nscolor mRight; | |
| 33 nscolor mTop; | |
| 34 nscolor mBottom; | |
| 35 | |
| 36 nsBorderColor() { Set(NO_COLOR); } | |
| 37 ~nsBorderColor() {} | |
| 38 void Set(nscolor aColor) { mLeft = mRight = mTop = mBottom = aColor; } | |
| 39 }; | |
| 40 | |
| 41 enum nsFrameborder { | |
| 42 eFrameborder_Yes = 0, | |
| 43 eFrameborder_No, | |
| 44 eFrameborder_Notset | |
| 45 }; | |
| 46 | |
| 47 struct nsFramesetDrag { | |
| 48 nsHTMLFramesetFrame* mSource; // frameset whose border was dragged to cause the resize | |
| 49 int32_t mIndex; // index of left col or top row of effected area | |
| 50 int32_t mChange; // pos for left to right or top to bottom, neg otherwise | |
| 51 bool mVertical; // vertical if true, otherwise horizontal | |
| 52 | |
| 53 nsFramesetDrag(); | |
| 54 void Reset(bool aVertical, | |
| 55 int32_t aIndex, | |
| 56 int32_t aChange, | |
| 57 nsHTMLFramesetFrame* aSource); | |
| 58 void UnSet(); | |
| 59 }; | |
| 60 | |
| 61 /******************************************************************************* | |
| 62 * nsHTMLFramesetFrame | |
| 63 ******************************************************************************/ | |
| 64 class nsHTMLFramesetFrame : public nsContainerFrame | |
| 65 { | |
| 66 public: | |
| 67 NS_DECL_QUERYFRAME_TARGET(nsHTMLFramesetFrame) | |
| 68 NS_DECL_QUERYFRAME | |
| 69 NS_DECL_FRAMEARENA_HELPERS | |
| 70 | |
| 71 nsHTMLFramesetFrame(nsStyleContext* aContext); | |
| 72 | |
| 73 virtual ~nsHTMLFramesetFrame(); | |
| 74 | |
| 75 virtual void Init(nsIContent* aContent, | |
| 76 nsIFrame* aParent, | |
| 77 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; | |
| 78 | |
| 79 virtual nsresult SetInitialChildList(ChildListID aListID, | |
| 80 nsFrameList& aChildList) MOZ_OVERRIDE; | |
| 81 | |
| 82 static bool gDragInProgress; | |
| 83 | |
| 84 void GetSizeOfChild(nsIFrame* aChild, nsSize& aSize); | |
| 85 | |
| 86 void GetSizeOfChildAt(int32_t aIndexInParent, | |
| 87 nsSize& aSize, | |
| 88 nsIntPoint& aCellIndex); | |
| 89 | |
| 90 virtual nsresult HandleEvent(nsPresContext* aPresContext, | |
| 91 mozilla::WidgetGUIEvent* aEvent, | |
| 92 nsEventStatus* aEventStatus) MOZ_OVERRIDE; | |
| 93 | |
| 94 virtual nsresult GetCursor(const nsPoint& aPoint, | |
| 95 nsIFrame::Cursor& aCursor) MOZ_OVERRIDE; | |
| 96 | |
| 97 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, | |
| 98 const nsRect& aDirtyRect, | |
| 99 const nsDisplayListSet& aLists) MOZ_OVERRIDE; | |
| 100 | |
| 101 virtual nsresult Reflow(nsPresContext* aPresContext, | |
| 102 nsHTMLReflowMetrics& aDesiredSize, | |
| 103 const nsHTMLReflowState& aReflowState, | |
| 104 nsReflowStatus& aStatus) MOZ_OVERRIDE; | |
| 105 | |
| 106 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 107 #ifdef DEBUG_FRAME_DUMP | |
| 108 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; | |
| 109 #endif | |
| 110 | |
| 111 virtual bool IsLeaf() const MOZ_OVERRIDE; | |
| 112 | |
| 113 void StartMouseDrag(nsPresContext* aPresContext, | |
| 114 nsHTMLFramesetBorderFrame* aBorder, | |
| 115 mozilla::WidgetGUIEvent* aEvent); | |
| 116 | |
| 117 void MouseDrag(nsPresContext* aPresContext, | |
| 118 mozilla::WidgetGUIEvent* aEvent); | |
| 119 | |
| 120 void EndMouseDrag(nsPresContext* aPresContext); | |
| 121 | |
| 122 nsFrameborder GetParentFrameborder() { return mParentFrameborder; } | |
| 123 | |
| 124 void SetParentFrameborder(nsFrameborder aValue) { mParentFrameborder = aValue; } | |
| 125 | |
| 126 nsFramesetDrag& GetDrag() { return mDrag; } | |
| 127 | |
| 128 void RecalculateBorderResize(); | |
| 129 | |
| 130 protected: | |
| 131 void Scale(nscoord aDesired, | |
| 132 int32_t aNumIndicies, | |
| 133 int32_t* aIndicies, | |
| 134 int32_t aNumItems, | |
| 135 int32_t* aItems); | |
| 136 | |
| 137 void CalculateRowCol(nsPresContext* aPresContext, | |
| 138 nscoord aSize, | |
| 139 int32_t aNumSpecs, | |
| 140 const nsFramesetSpec* aSpecs, | |
| 141 nscoord* aValues); | |
| 142 | |
| 143 void GenerateRowCol(nsPresContext* aPresContext, | |
| 144 nscoord aSize, | |
| 145 int32_t aNumSpecs, | |
| 146 const nsFramesetSpec* aSpecs, | |
| 147 nscoord* aValues, | |
| 148 nsString& aNewAttr); | |
| 149 | |
| 150 virtual void GetDesiredSize(nsPresContext* aPresContext, | |
| 151 const nsHTMLReflowState& aReflowState, | |
| 152 nsHTMLReflowMetrics& aDesiredSize); | |
| 153 | |
| 154 int32_t GetBorderWidth(nsPresContext* aPresContext, | |
| 155 bool aTakeForcingIntoAccount); | |
| 156 | |
| 157 int32_t GetParentBorderWidth() { return mParentBorderWidth; } | |
| 158 | |
| 159 void SetParentBorderWidth(int32_t aWidth) { mParentBorderWidth = aWidth; } | |
| 160 | |
| 161 nscolor GetParentBorderColor() { return mParentBorderColor; } | |
| 162 | |
| 163 void SetParentBorderColor(nscolor aColor) { mParentBorderColor = aColor; } | |
| 164 | |
| 165 nsFrameborder GetFrameBorder(); | |
| 166 | |
| 167 nsFrameborder GetFrameBorder(nsIContent* aContent); | |
| 168 | |
| 169 nscolor GetBorderColor(); | |
| 170 | |
| 171 nscolor GetBorderColor(nsIContent* aFrameContent); | |
| 172 | |
| 173 bool GetNoResize(nsIFrame* aChildFrame); | |
| 174 | |
| 175 void ReflowPlaceChild(nsIFrame* aChild, | |
| 176 nsPresContext* aPresContext, | |
| 177 const nsHTMLReflowState& aReflowState, | |
| 178 nsPoint& aOffset, | |
| 179 nsSize& aSize, | |
| 180 nsIntPoint* aCellIndex = 0); | |
| 181 | |
| 182 bool CanResize(bool aVertical, bool aLeft); | |
| 183 | |
| 184 bool CanChildResize(bool aVertical, bool aLeft, int32_t aChildX); | |
| 185 | |
| 186 void SetBorderResize(nsHTMLFramesetBorderFrame* aBorderFrame); | |
| 187 | |
| 188 static void FrameResizePrefCallback(const char* aPref, void* aClosure); | |
| 189 | |
| 190 nsFramesetDrag mDrag; | |
| 191 nsBorderColor mEdgeColors; | |
| 192 nsHTMLFramesetBorderFrame* mDragger; | |
| 193 nsHTMLFramesetFrame* mTopLevelFrameset; | |
| 194 nsHTMLFramesetBorderFrame** mVerBorders; // vertical borders | |
| 195 nsHTMLFramesetBorderFrame** mHorBorders; // horizontal borders | |
| 196 nsFrameborder* mChildFrameborder; // the frameborder attr of children | |
| 197 nsBorderColor* mChildBorderColors; | |
| 198 nscoord* mRowSizes; // currently computed row sizes | |
| 199 nscoord* mColSizes; // currently computed col sizes | |
| 200 nsIntPoint mFirstDragPoint; | |
| 201 int32_t mNumRows; | |
| 202 int32_t mNumCols; | |
| 203 int32_t mNonBorderChildCount; | |
| 204 int32_t mNonBlankChildCount; | |
| 205 int32_t mEdgeVisibility; | |
| 206 nsFrameborder mParentFrameborder; | |
| 207 nscolor mParentBorderColor; | |
| 208 int32_t mParentBorderWidth; | |
| 209 int32_t mPrevNeighborOrigSize; // used during resize | |
| 210 int32_t mNextNeighborOrigSize; | |
| 211 int32_t mMinDrag; | |
| 212 int32_t mChildCount; | |
| 213 bool mForceFrameResizability; | |
| 214 }; | |
| 215 | |
| 216 #endif |
