1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* rendering object for HTML <frameset> elements */
#ifndef nsHTMLFrameset_h___
#define nsHTMLFrameset_h___
#include "mozilla/Attributes.h"
#include "mozilla/UniquePtr.h"
#include "nsContainerFrame.h"
#include "nsColor.h"
class nsIContent;
class nsPresContext;
struct nsRect;
struct nsSize;
class nsIAtom;
class nsHTMLFramesetBorderFrame;
class nsHTMLFramesetFrame;
#define NO_COLOR 0xFFFFFFFA
// defined at HTMLFrameSetElement.h
struct nsFramesetSpec;
struct nsBorderColor
{
nscolor mLeft;
nscolor mRight;
nscolor mTop;
nscolor mBottom;
nsBorderColor() { Set(NO_COLOR); }
~nsBorderColor() {}
void Set(nscolor aColor) { mLeft = mRight = mTop = mBottom = aColor; }
};
enum nsFrameborder {
eFrameborder_Yes = 0,
eFrameborder_No,
eFrameborder_Notset
};
struct nsFramesetDrag {
nsHTMLFramesetFrame* mSource; // frameset whose border was dragged to cause the resize
int32_t mIndex; // index of left col or top row of effected area
int32_t mChange; // pos for left to right or top to bottom, neg otherwise
bool mVertical; // vertical if true, otherwise horizontal
nsFramesetDrag();
void Reset(bool aVertical,
int32_t aIndex,
int32_t aChange,
nsHTMLFramesetFrame* aSource);
void UnSet();
};
/*******************************************************************************
* nsHTMLFramesetFrame
******************************************************************************/
class nsHTMLFramesetFrame : public nsContainerFrame
{
public:
NS_DECL_QUERYFRAME_TARGET(nsHTMLFramesetFrame)
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
explicit nsHTMLFramesetFrame(nsStyleContext* aContext);
virtual ~nsHTMLFramesetFrame();
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
virtual void SetInitialChildList(ChildListID aListID,
nsFrameList& aChildList) override;
static bool gDragInProgress;
void GetSizeOfChild(nsIFrame* aChild, mozilla::WritingMode aWM,
mozilla::LogicalSize& aSize);
void GetSizeOfChildAt(int32_t aIndexInParent,
mozilla::WritingMode aWM,
mozilla::LogicalSize& aSize,
nsIntPoint& aCellIndex);
virtual nsresult HandleEvent(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent,
nsEventStatus* aEventStatus) override;
virtual nsresult GetCursor(const nsPoint& aPoint,
nsIFrame::Cursor& aCursor) override;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override;
virtual void Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
virtual nsIAtom* GetType() const override;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override;
#endif
virtual bool IsLeaf() const override;
void StartMouseDrag(nsPresContext* aPresContext,
nsHTMLFramesetBorderFrame* aBorder,
mozilla::WidgetGUIEvent* aEvent);
void MouseDrag(nsPresContext* aPresContext,
mozilla::WidgetGUIEvent* aEvent);
void EndMouseDrag(nsPresContext* aPresContext);
nsFrameborder GetParentFrameborder() { return mParentFrameborder; }
void SetParentFrameborder(nsFrameborder aValue) { mParentFrameborder = aValue; }
nsFramesetDrag& GetDrag() { return mDrag; }
void RecalculateBorderResize();
protected:
void Scale(nscoord aDesired,
int32_t aNumIndicies,
int32_t* aIndicies,
int32_t aNumItems,
int32_t* aItems);
void CalculateRowCol(nsPresContext* aPresContext,
nscoord aSize,
int32_t aNumSpecs,
const nsFramesetSpec* aSpecs,
nscoord* aValues);
void GenerateRowCol(nsPresContext* aPresContext,
nscoord aSize,
int32_t aNumSpecs,
const nsFramesetSpec* aSpecs,
nscoord* aValues,
nsString& aNewAttr);
virtual void GetDesiredSize(nsPresContext* aPresContext,
const ReflowInput& aReflowInput,
ReflowOutput& aDesiredSize);
int32_t GetBorderWidth(nsPresContext* aPresContext,
bool aTakeForcingIntoAccount);
int32_t GetParentBorderWidth() { return mParentBorderWidth; }
void SetParentBorderWidth(int32_t aWidth) { mParentBorderWidth = aWidth; }
nscolor GetParentBorderColor() { return mParentBorderColor; }
void SetParentBorderColor(nscolor aColor) { mParentBorderColor = aColor; }
nsFrameborder GetFrameBorder();
nsFrameborder GetFrameBorder(nsIContent* aContent);
nscolor GetBorderColor();
nscolor GetBorderColor(nsIContent* aFrameContent);
bool GetNoResize(nsIFrame* aChildFrame);
void ReflowPlaceChild(nsIFrame* aChild,
nsPresContext* aPresContext,
const ReflowInput& aReflowInput,
nsPoint& aOffset,
nsSize& aSize,
nsIntPoint* aCellIndex = 0);
bool CanResize(bool aVertical, bool aLeft);
bool CanChildResize(bool aVertical, bool aLeft, int32_t aChildX);
void SetBorderResize(nsHTMLFramesetBorderFrame* aBorderFrame);
template<typename T, class D = mozilla::DefaultDelete<T>>
using UniquePtr = mozilla::UniquePtr<T, D>;
nsFramesetDrag mDrag;
nsBorderColor mEdgeColors;
nsHTMLFramesetBorderFrame* mDragger;
nsHTMLFramesetFrame* mTopLevelFrameset;
UniquePtr<nsHTMLFramesetBorderFrame*[]> mVerBorders; // vertical borders
UniquePtr<nsHTMLFramesetBorderFrame*[]> mHorBorders; // horizontal borders
UniquePtr<nsFrameborder[]> mChildFrameborder; // the frameborder attr of children
UniquePtr<nsBorderColor[]> mChildBorderColors;
UniquePtr<nscoord[]> mRowSizes; // currently computed row sizes
UniquePtr<nscoord[]> mColSizes; // currently computed col sizes
mozilla::LayoutDeviceIntPoint mFirstDragPoint;
int32_t mNumRows;
int32_t mNumCols;
int32_t mNonBorderChildCount;
int32_t mNonBlankChildCount;
int32_t mEdgeVisibility;
nsFrameborder mParentFrameborder;
nscolor mParentBorderColor;
int32_t mParentBorderWidth;
int32_t mPrevNeighborOrigSize; // used during resize
int32_t mNextNeighborOrigSize;
int32_t mMinDrag;
int32_t mChildCount;
};
#endif
|
