1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/generic/nsFrameSetFrame.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,216 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/* rendering object for HTML <frameset> elements */
1.10 +
1.11 +#ifndef nsHTMLFrameset_h___
1.12 +#define nsHTMLFrameset_h___
1.13 +
1.14 +#include "mozilla/Attributes.h"
1.15 +#include "nsContainerFrame.h"
1.16 +#include "nsColor.h"
1.17 +
1.18 +class nsIContent;
1.19 +class nsPresContext;
1.20 +struct nsRect;
1.21 +struct nsHTMLReflowState;
1.22 +struct nsSize;
1.23 +class nsIAtom;
1.24 +class nsHTMLFramesetBorderFrame;
1.25 +class nsHTMLFramesetFrame;
1.26 +
1.27 +#define NO_COLOR 0xFFFFFFFA
1.28 +
1.29 +// defined at HTMLFrameSetElement.h
1.30 +struct nsFramesetSpec;
1.31 +
1.32 +struct nsBorderColor
1.33 +{
1.34 + nscolor mLeft;
1.35 + nscolor mRight;
1.36 + nscolor mTop;
1.37 + nscolor mBottom;
1.38 +
1.39 + nsBorderColor() { Set(NO_COLOR); }
1.40 + ~nsBorderColor() {}
1.41 + void Set(nscolor aColor) { mLeft = mRight = mTop = mBottom = aColor; }
1.42 +};
1.43 +
1.44 +enum nsFrameborder {
1.45 + eFrameborder_Yes = 0,
1.46 + eFrameborder_No,
1.47 + eFrameborder_Notset
1.48 +};
1.49 +
1.50 +struct nsFramesetDrag {
1.51 + nsHTMLFramesetFrame* mSource; // frameset whose border was dragged to cause the resize
1.52 + int32_t mIndex; // index of left col or top row of effected area
1.53 + int32_t mChange; // pos for left to right or top to bottom, neg otherwise
1.54 + bool mVertical; // vertical if true, otherwise horizontal
1.55 +
1.56 + nsFramesetDrag();
1.57 + void Reset(bool aVertical,
1.58 + int32_t aIndex,
1.59 + int32_t aChange,
1.60 + nsHTMLFramesetFrame* aSource);
1.61 + void UnSet();
1.62 +};
1.63 +
1.64 +/*******************************************************************************
1.65 + * nsHTMLFramesetFrame
1.66 + ******************************************************************************/
1.67 +class nsHTMLFramesetFrame : public nsContainerFrame
1.68 +{
1.69 +public:
1.70 + NS_DECL_QUERYFRAME_TARGET(nsHTMLFramesetFrame)
1.71 + NS_DECL_QUERYFRAME
1.72 + NS_DECL_FRAMEARENA_HELPERS
1.73 +
1.74 + nsHTMLFramesetFrame(nsStyleContext* aContext);
1.75 +
1.76 + virtual ~nsHTMLFramesetFrame();
1.77 +
1.78 + virtual void Init(nsIContent* aContent,
1.79 + nsIFrame* aParent,
1.80 + nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
1.81 +
1.82 + virtual nsresult SetInitialChildList(ChildListID aListID,
1.83 + nsFrameList& aChildList) MOZ_OVERRIDE;
1.84 +
1.85 + static bool gDragInProgress;
1.86 +
1.87 + void GetSizeOfChild(nsIFrame* aChild, nsSize& aSize);
1.88 +
1.89 + void GetSizeOfChildAt(int32_t aIndexInParent,
1.90 + nsSize& aSize,
1.91 + nsIntPoint& aCellIndex);
1.92 +
1.93 + virtual nsresult HandleEvent(nsPresContext* aPresContext,
1.94 + mozilla::WidgetGUIEvent* aEvent,
1.95 + nsEventStatus* aEventStatus) MOZ_OVERRIDE;
1.96 +
1.97 + virtual nsresult GetCursor(const nsPoint& aPoint,
1.98 + nsIFrame::Cursor& aCursor) MOZ_OVERRIDE;
1.99 +
1.100 + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
1.101 + const nsRect& aDirtyRect,
1.102 + const nsDisplayListSet& aLists) MOZ_OVERRIDE;
1.103 +
1.104 + virtual nsresult Reflow(nsPresContext* aPresContext,
1.105 + nsHTMLReflowMetrics& aDesiredSize,
1.106 + const nsHTMLReflowState& aReflowState,
1.107 + nsReflowStatus& aStatus) MOZ_OVERRIDE;
1.108 +
1.109 + virtual nsIAtom* GetType() const MOZ_OVERRIDE;
1.110 +#ifdef DEBUG_FRAME_DUMP
1.111 + virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
1.112 +#endif
1.113 +
1.114 + virtual bool IsLeaf() const MOZ_OVERRIDE;
1.115 +
1.116 + void StartMouseDrag(nsPresContext* aPresContext,
1.117 + nsHTMLFramesetBorderFrame* aBorder,
1.118 + mozilla::WidgetGUIEvent* aEvent);
1.119 +
1.120 + void MouseDrag(nsPresContext* aPresContext,
1.121 + mozilla::WidgetGUIEvent* aEvent);
1.122 +
1.123 + void EndMouseDrag(nsPresContext* aPresContext);
1.124 +
1.125 + nsFrameborder GetParentFrameborder() { return mParentFrameborder; }
1.126 +
1.127 + void SetParentFrameborder(nsFrameborder aValue) { mParentFrameborder = aValue; }
1.128 +
1.129 + nsFramesetDrag& GetDrag() { return mDrag; }
1.130 +
1.131 + void RecalculateBorderResize();
1.132 +
1.133 +protected:
1.134 + void Scale(nscoord aDesired,
1.135 + int32_t aNumIndicies,
1.136 + int32_t* aIndicies,
1.137 + int32_t aNumItems,
1.138 + int32_t* aItems);
1.139 +
1.140 + void CalculateRowCol(nsPresContext* aPresContext,
1.141 + nscoord aSize,
1.142 + int32_t aNumSpecs,
1.143 + const nsFramesetSpec* aSpecs,
1.144 + nscoord* aValues);
1.145 +
1.146 + void GenerateRowCol(nsPresContext* aPresContext,
1.147 + nscoord aSize,
1.148 + int32_t aNumSpecs,
1.149 + const nsFramesetSpec* aSpecs,
1.150 + nscoord* aValues,
1.151 + nsString& aNewAttr);
1.152 +
1.153 + virtual void GetDesiredSize(nsPresContext* aPresContext,
1.154 + const nsHTMLReflowState& aReflowState,
1.155 + nsHTMLReflowMetrics& aDesiredSize);
1.156 +
1.157 + int32_t GetBorderWidth(nsPresContext* aPresContext,
1.158 + bool aTakeForcingIntoAccount);
1.159 +
1.160 + int32_t GetParentBorderWidth() { return mParentBorderWidth; }
1.161 +
1.162 + void SetParentBorderWidth(int32_t aWidth) { mParentBorderWidth = aWidth; }
1.163 +
1.164 + nscolor GetParentBorderColor() { return mParentBorderColor; }
1.165 +
1.166 + void SetParentBorderColor(nscolor aColor) { mParentBorderColor = aColor; }
1.167 +
1.168 + nsFrameborder GetFrameBorder();
1.169 +
1.170 + nsFrameborder GetFrameBorder(nsIContent* aContent);
1.171 +
1.172 + nscolor GetBorderColor();
1.173 +
1.174 + nscolor GetBorderColor(nsIContent* aFrameContent);
1.175 +
1.176 + bool GetNoResize(nsIFrame* aChildFrame);
1.177 +
1.178 + void ReflowPlaceChild(nsIFrame* aChild,
1.179 + nsPresContext* aPresContext,
1.180 + const nsHTMLReflowState& aReflowState,
1.181 + nsPoint& aOffset,
1.182 + nsSize& aSize,
1.183 + nsIntPoint* aCellIndex = 0);
1.184 +
1.185 + bool CanResize(bool aVertical, bool aLeft);
1.186 +
1.187 + bool CanChildResize(bool aVertical, bool aLeft, int32_t aChildX);
1.188 +
1.189 + void SetBorderResize(nsHTMLFramesetBorderFrame* aBorderFrame);
1.190 +
1.191 + static void FrameResizePrefCallback(const char* aPref, void* aClosure);
1.192 +
1.193 + nsFramesetDrag mDrag;
1.194 + nsBorderColor mEdgeColors;
1.195 + nsHTMLFramesetBorderFrame* mDragger;
1.196 + nsHTMLFramesetFrame* mTopLevelFrameset;
1.197 + nsHTMLFramesetBorderFrame** mVerBorders; // vertical borders
1.198 + nsHTMLFramesetBorderFrame** mHorBorders; // horizontal borders
1.199 + nsFrameborder* mChildFrameborder; // the frameborder attr of children
1.200 + nsBorderColor* mChildBorderColors;
1.201 + nscoord* mRowSizes; // currently computed row sizes
1.202 + nscoord* mColSizes; // currently computed col sizes
1.203 + nsIntPoint mFirstDragPoint;
1.204 + int32_t mNumRows;
1.205 + int32_t mNumCols;
1.206 + int32_t mNonBorderChildCount;
1.207 + int32_t mNonBlankChildCount;
1.208 + int32_t mEdgeVisibility;
1.209 + nsFrameborder mParentFrameborder;
1.210 + nscolor mParentBorderColor;
1.211 + int32_t mParentBorderWidth;
1.212 + int32_t mPrevNeighborOrigSize; // used during resize
1.213 + int32_t mNextNeighborOrigSize;
1.214 + int32_t mMinDrag;
1.215 + int32_t mChildCount;
1.216 + bool mForceFrameResizability;
1.217 +};
1.218 +
1.219 +#endif
