1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/layout/forms/nsLegendFrame.cpp Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,90 @@ 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 +#include "nsLegendFrame.h" 1.10 +#include "nsIContent.h" 1.11 +#include "nsGenericHTMLElement.h" 1.12 +#include "nsAttrValueInlines.h" 1.13 +#include "nsHTMLParts.h" 1.14 +#include "nsGkAtoms.h" 1.15 +#include "nsStyleConsts.h" 1.16 +#include "nsFormControlFrame.h" 1.17 + 1.18 +nsIFrame* 1.19 +NS_NewLegendFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) 1.20 +{ 1.21 +#ifdef DEBUG 1.22 + const nsStyleDisplay* disp = aContext->StyleDisplay(); 1.23 + NS_ASSERTION(!disp->IsAbsolutelyPositionedStyle() && !disp->IsFloatingStyle(), 1.24 + "Legends should not be positioned and should not float"); 1.25 +#endif 1.26 + 1.27 + nsIFrame* f = new (aPresShell) nsLegendFrame(aContext); 1.28 + if (f) { 1.29 + f->AddStateBits(NS_BLOCK_FLOAT_MGR | NS_BLOCK_MARGIN_ROOT); 1.30 + } 1.31 + return f; 1.32 +} 1.33 + 1.34 +NS_IMPL_FRAMEARENA_HELPERS(nsLegendFrame) 1.35 + 1.36 +nsIAtom* 1.37 +nsLegendFrame::GetType() const 1.38 +{ 1.39 + return nsGkAtoms::legendFrame; 1.40 +} 1.41 + 1.42 +void 1.43 +nsLegendFrame::DestroyFrom(nsIFrame* aDestructRoot) 1.44 +{ 1.45 + nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false); 1.46 + nsBlockFrame::DestroyFrom(aDestructRoot); 1.47 +} 1.48 + 1.49 +NS_QUERYFRAME_HEAD(nsLegendFrame) 1.50 + NS_QUERYFRAME_ENTRY(nsLegendFrame) 1.51 +NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame) 1.52 + 1.53 +nsresult 1.54 +nsLegendFrame::Reflow(nsPresContext* aPresContext, 1.55 + nsHTMLReflowMetrics& aDesiredSize, 1.56 + const nsHTMLReflowState& aReflowState, 1.57 + nsReflowStatus& aStatus) 1.58 +{ 1.59 + DO_GLOBAL_REFLOW_COUNT("nsLegendFrame"); 1.60 + DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus); 1.61 + if (mState & NS_FRAME_FIRST_REFLOW) { 1.62 + nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), true); 1.63 + } 1.64 + return nsBlockFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus); 1.65 +} 1.66 + 1.67 +// REVIEW: We don't need to override BuildDisplayList, nsBlockFrame will honour 1.68 +// our visibility setting 1.69 +int32_t nsLegendFrame::GetAlign() 1.70 +{ 1.71 + int32_t intValue = NS_STYLE_TEXT_ALIGN_LEFT; 1.72 + if (mParent && NS_STYLE_DIRECTION_RTL == mParent->StyleVisibility()->mDirection) { 1.73 + intValue = NS_STYLE_TEXT_ALIGN_RIGHT; 1.74 + } 1.75 + 1.76 + nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent); 1.77 + 1.78 + if (content) { 1.79 + const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::align); 1.80 + if (attr && attr->Type() == nsAttrValue::eEnum) { 1.81 + intValue = attr->GetEnumValue(); 1.82 + } 1.83 + } 1.84 + return intValue; 1.85 +} 1.86 + 1.87 +#ifdef DEBUG_FRAME_DUMP 1.88 +nsresult 1.89 +nsLegendFrame::GetFrameName(nsAString& aResult) const 1.90 +{ 1.91 + return MakeFrameName(NS_LITERAL_STRING("Legend"), aResult); 1.92 +} 1.93 +#endif