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37 :
38 : #include "nsLegendFrame.h"
39 : #include "nsIContent.h"
40 : #include "nsIAtom.h"
41 : #include "nsGenericHTMLElement.h"
42 : #include "nsHTMLParts.h"
43 : #include "nsGkAtoms.h"
44 : #include "nsStyleConsts.h"
45 : #include "nsFormControlFrame.h"
46 :
47 : nsIFrame*
48 0 : NS_NewLegendFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
49 : {
50 : #ifdef DEBUG
51 0 : const nsStyleDisplay* disp = aContext->GetStyleDisplay();
52 0 : NS_ASSERTION(!disp->IsAbsolutelyPositioned() && !disp->IsFloating(),
53 : "Legends should not be positioned and should not float");
54 : #endif
55 :
56 0 : nsIFrame* f = new (aPresShell) nsLegendFrame(aContext);
57 0 : if (f) {
58 0 : f->AddStateBits(NS_BLOCK_FLOAT_MGR | NS_BLOCK_MARGIN_ROOT);
59 : }
60 0 : return f;
61 : }
62 :
63 0 : NS_IMPL_FRAMEARENA_HELPERS(nsLegendFrame)
64 :
65 : nsIAtom*
66 0 : nsLegendFrame::GetType() const
67 : {
68 0 : return nsGkAtoms::legendFrame;
69 : }
70 :
71 : void
72 0 : nsLegendFrame::DestroyFrom(nsIFrame* aDestructRoot)
73 : {
74 0 : nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false);
75 0 : nsBlockFrame::DestroyFrom(aDestructRoot);
76 0 : }
77 :
78 0 : NS_QUERYFRAME_HEAD(nsLegendFrame)
79 0 : NS_QUERYFRAME_ENTRY(nsLegendFrame)
80 0 : NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame)
81 :
82 : NS_IMETHODIMP
83 0 : nsLegendFrame::Reflow(nsPresContext* aPresContext,
84 : nsHTMLReflowMetrics& aDesiredSize,
85 : const nsHTMLReflowState& aReflowState,
86 : nsReflowStatus& aStatus)
87 : {
88 0 : DO_GLOBAL_REFLOW_COUNT("nsLegendFrame");
89 0 : DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
90 0 : if (mState & NS_FRAME_FIRST_REFLOW) {
91 0 : nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), true);
92 : }
93 0 : return nsBlockFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
94 : }
95 :
96 : // REVIEW: We don't need to override BuildDisplayList, nsBlockFrame will honour
97 : // our visibility setting
98 0 : PRInt32 nsLegendFrame::GetAlign()
99 : {
100 0 : PRInt32 intValue = NS_STYLE_TEXT_ALIGN_LEFT;
101 : #ifdef IBMBIDI
102 0 : if (mParent && NS_STYLE_DIRECTION_RTL == mParent->GetStyleVisibility()->mDirection) {
103 0 : intValue = NS_STYLE_TEXT_ALIGN_RIGHT;
104 : }
105 : #endif // IBMBIDI
106 :
107 0 : nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
108 :
109 0 : if (content) {
110 0 : const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::align);
111 0 : if (attr && attr->Type() == nsAttrValue::eEnum) {
112 0 : intValue = attr->GetEnumValue();
113 : }
114 : }
115 0 : return intValue;
116 : }
117 :
118 : #ifdef NS_DEBUG
119 : NS_IMETHODIMP
120 0 : nsLegendFrame::GetFrameName(nsAString& aResult) const
121 : {
122 0 : return MakeFrameName(NS_LITERAL_STRING("Legend"), aResult);
123 : }
124 : #endif
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