michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsLegendFrame.h"
michael@0: #include "nsIContent.h"
michael@0: #include "nsGenericHTMLElement.h"
michael@0: #include "nsAttrValueInlines.h"
michael@0: #include "nsHTMLParts.h"
michael@0: #include "nsGkAtoms.h"
michael@0: #include "nsStyleConsts.h"
michael@0: #include "nsFormControlFrame.h"
michael@0: 
michael@0: nsIFrame*
michael@0: NS_NewLegendFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
michael@0: {
michael@0: #ifdef DEBUG
michael@0:   const nsStyleDisplay* disp = aContext->StyleDisplay();
michael@0:   NS_ASSERTION(!disp->IsAbsolutelyPositionedStyle() && !disp->IsFloatingStyle(),
michael@0:                "Legends should not be positioned and should not float");
michael@0: #endif
michael@0: 
michael@0:   nsIFrame* f = new (aPresShell) nsLegendFrame(aContext);
michael@0:   if (f) {
michael@0:     f->AddStateBits(NS_BLOCK_FLOAT_MGR | NS_BLOCK_MARGIN_ROOT);
michael@0:   }
michael@0:   return f;
michael@0: }
michael@0: 
michael@0: NS_IMPL_FRAMEARENA_HELPERS(nsLegendFrame)
michael@0: 
michael@0: nsIAtom*
michael@0: nsLegendFrame::GetType() const
michael@0: {
michael@0:   return nsGkAtoms::legendFrame; 
michael@0: }
michael@0: 
michael@0: void
michael@0: nsLegendFrame::DestroyFrom(nsIFrame* aDestructRoot)
michael@0: {
michael@0:   nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false);
michael@0:   nsBlockFrame::DestroyFrom(aDestructRoot);
michael@0: }
michael@0: 
michael@0: NS_QUERYFRAME_HEAD(nsLegendFrame)
michael@0:   NS_QUERYFRAME_ENTRY(nsLegendFrame)
michael@0: NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame)
michael@0: 
michael@0: nsresult 
michael@0: nsLegendFrame::Reflow(nsPresContext*          aPresContext,
michael@0:                      nsHTMLReflowMetrics&     aDesiredSize,
michael@0:                      const nsHTMLReflowState& aReflowState,
michael@0:                      nsReflowStatus&          aStatus)
michael@0: {
michael@0:   DO_GLOBAL_REFLOW_COUNT("nsLegendFrame");
michael@0:   DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
michael@0:   if (mState & NS_FRAME_FIRST_REFLOW) {
michael@0:     nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), true);
michael@0:   }
michael@0:   return nsBlockFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
michael@0: }
michael@0: 
michael@0: // REVIEW: We don't need to override BuildDisplayList, nsBlockFrame will honour
michael@0: // our visibility setting
michael@0: int32_t nsLegendFrame::GetAlign()
michael@0: {
michael@0:   int32_t intValue = NS_STYLE_TEXT_ALIGN_LEFT;
michael@0:   if (mParent && NS_STYLE_DIRECTION_RTL == mParent->StyleVisibility()->mDirection) {
michael@0:     intValue = NS_STYLE_TEXT_ALIGN_RIGHT;
michael@0:   }
michael@0: 
michael@0:   nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
michael@0: 
michael@0:   if (content) {
michael@0:     const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::align);
michael@0:     if (attr && attr->Type() == nsAttrValue::eEnum) {
michael@0:       intValue = attr->GetEnumValue();
michael@0:     }
michael@0:   }
michael@0:   return intValue;
michael@0: }
michael@0: 
michael@0: #ifdef DEBUG_FRAME_DUMP
michael@0: nsresult
michael@0: nsLegendFrame::GetFrameName(nsAString& aResult) const
michael@0: {
michael@0:   return MakeFrameName(NS_LITERAL_STRING("Legend"), aResult);
michael@0: }
michael@0: #endif