2012-02-20 07:45:29 -08:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=2:tabstop=2: */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2012
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alexander Surkov <surkov.alexander@gmail.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "StyleInfo.h"
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#include "mozilla/dom/Element.h"
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#include "nsComputedDOMStyle.h"
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using namespace mozilla;
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using namespace mozilla::a11y;
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StyleInfo::StyleInfo(dom::Element* aElement, nsIPresShell* aPresShell) :
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mElement(aElement)
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{
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mStyleContext =
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nsComputedDOMStyle::GetStyleContextForElementNoFlush(aElement,
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nsnull,
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aPresShell);
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}
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void
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StyleInfo::Display(nsAString& aValue)
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{
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aValue.Truncate();
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AppendASCIItoUTF16(
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nsCSSProps::ValueToKeyword(mStyleContext->GetStyleDisplay()->mDisplay,
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nsCSSProps::kDisplayKTable), aValue);
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}
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void
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StyleInfo::TextAlign(nsAString& aValue)
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{
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aValue.Truncate();
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AppendASCIItoUTF16(
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nsCSSProps::ValueToKeyword(mStyleContext->GetStyleText()->mTextAlign,
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nsCSSProps::kTextAlignKTable), aValue);
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}
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void
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StyleInfo::TextIndent(nsAString& aValue)
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{
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aValue.Truncate();
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const nsStyleCoord& styleCoord =
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mStyleContext->GetStyleText()->mTextIndent;
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nscoord coordVal;
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switch (styleCoord.GetUnit()) {
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case eStyleUnit_Coord:
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coordVal = styleCoord.GetCoordValue();
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break;
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case eStyleUnit_Percent:
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{
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nsIFrame* frame = mElement->GetPrimaryFrame();
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nsIFrame* containerFrame = frame->GetContainingBlock();
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nscoord percentageBase = containerFrame->GetContentRect().width;
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coordVal = NSCoordSaturatingMultiply(percentageBase,
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styleCoord.GetPercentValue());
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break;
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}
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}
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aValue.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(coordVal));
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aValue.AppendLiteral("px");
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}
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void
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StyleInfo::Margin(css::Side aSide, nsAString& aValue)
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{
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aValue.Truncate();
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nscoord coordVal = mElement->GetPrimaryFrame()->GetUsedMargin().Side(aSide);
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aValue.AppendFloat(nsPresContext::AppUnitsToFloatCSSPixels(coordVal));
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aValue.AppendLiteral("px");
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}
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2012-02-27 06:43:39 -08:00
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void
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StyleInfo::Format(const nscolor& aValue, nsString& aFormattedValue)
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{
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// Combine the string like rgb(R, G, B) from nscolor.
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aFormattedValue.AppendLiteral("rgb(");
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aFormattedValue.AppendInt(NS_GET_R(aValue));
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aFormattedValue.AppendLiteral(", ");
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aFormattedValue.AppendInt(NS_GET_G(aValue));
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aFormattedValue.AppendLiteral(", ");
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aFormattedValue.AppendInt(NS_GET_B(aValue));
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aFormattedValue.Append(')');
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}
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