Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #include "nsLegendFrame.h"
       7             : #include "nsIContent.h"
       8             : #include "nsGenericHTMLElement.h"
       9             : #include "nsAttrValueInlines.h"
      10             : #include "nsHTMLParts.h"
      11             : #include "nsGkAtoms.h"
      12             : #include "nsStyleConsts.h"
      13             : #include "nsFormControlFrame.h"
      14             : 
      15             : nsIFrame*
      16           0 : NS_NewLegendFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
      17             : {
      18             : #ifdef DEBUG
      19           0 :   const nsStyleDisplay* disp = aContext->StyleDisplay();
      20           0 :   NS_ASSERTION(!disp->IsAbsolutelyPositionedStyle() && !disp->IsFloatingStyle(),
      21             :                "Legends should not be positioned and should not float");
      22             : #endif
      23             : 
      24           0 :   nsIFrame* f = new (aPresShell) nsLegendFrame(aContext);
      25           0 :   f->AddStateBits(NS_BLOCK_FORMATTING_CONTEXT_STATE_BITS);
      26           0 :   return f;
      27             : }
      28             : 
      29           0 : NS_IMPL_FRAMEARENA_HELPERS(nsLegendFrame)
      30             : 
      31             : void
      32           0 : nsLegendFrame::DestroyFrom(nsIFrame* aDestructRoot)
      33             : {
      34           0 :   nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false);
      35           0 :   nsBlockFrame::DestroyFrom(aDestructRoot);
      36           0 : }
      37             : 
      38           0 : NS_QUERYFRAME_HEAD(nsLegendFrame)
      39           0 :   NS_QUERYFRAME_ENTRY(nsLegendFrame)
      40           0 : NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame)
      41             : 
      42             : void
      43           0 : nsLegendFrame::Reflow(nsPresContext*          aPresContext,
      44             :                      ReflowOutput&     aDesiredSize,
      45             :                      const ReflowInput& aReflowInput,
      46             :                      nsReflowStatus&          aStatus)
      47             : {
      48           0 :   DO_GLOBAL_REFLOW_COUNT("nsLegendFrame");
      49           0 :   DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
      50           0 :   if (mState & NS_FRAME_FIRST_REFLOW) {
      51           0 :     nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), true);
      52             :   }
      53           0 :   return nsBlockFrame::Reflow(aPresContext, aDesiredSize, aReflowInput, aStatus);
      54             : }
      55             : 
      56             : int32_t
      57           0 : nsLegendFrame::GetLogicalAlign(WritingMode aCBWM)
      58             : {
      59           0 :   int32_t intValue = NS_STYLE_TEXT_ALIGN_START;
      60           0 :   nsGenericHTMLElement* content = nsGenericHTMLElement::FromContent(mContent);
      61           0 :   if (content) {
      62           0 :     const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::align);
      63           0 :     if (attr && attr->Type() == nsAttrValue::eEnum) {
      64           0 :       intValue = attr->GetEnumValue();
      65           0 :       switch (intValue) {
      66             :         case NS_STYLE_TEXT_ALIGN_LEFT:
      67           0 :           intValue = aCBWM.IsBidiLTR() ? NS_STYLE_TEXT_ALIGN_START
      68             :                                        : NS_STYLE_TEXT_ALIGN_END;
      69           0 :           break;
      70             :         case NS_STYLE_TEXT_ALIGN_RIGHT:
      71           0 :           intValue = aCBWM.IsBidiLTR() ? NS_STYLE_TEXT_ALIGN_END
      72             :                                        : NS_STYLE_TEXT_ALIGN_START;
      73           0 :           break;
      74             :       }
      75             :     }
      76             :   }
      77           0 :   return intValue;
      78             : }
      79             : 
      80             : #ifdef DEBUG_FRAME_DUMP
      81             : nsresult
      82           0 : nsLegendFrame::GetFrameName(nsAString& aResult) const
      83             : {
      84           0 :   return MakeFrameName(NS_LITERAL_STRING("Legend"), aResult);
      85             : }
      86             : #endif