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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
* Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
* Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
* Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
* Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
* Copyright (C) Research In Motion Limited 2011. All rights reserved.
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "StyleResolveForDocument.h"
#include "CSSFontSelector.h"
#include "Document.h"
#include "Frame.h"
#include "FrameView.h"
#include "HTMLIFrameElement.h"
#include "LocaleToScriptMapping.h"
#include "NodeRenderStyle.h"
#include "RenderObject.h"
#include "RenderStyle.h"
#include "RenderView.h"
#include "Settings.h"
#include "StyleFontSizeFunctions.h"
#include "StyleResolver.h"
namespace WebCore {
namespace Style {
PassRef<RenderStyle> resolveForDocument(const Document& document)
{
ASSERT(document.hasLivingRenderTree());
RenderView& renderView = *document.renderView();
// HTML5 states that seamless iframes should replace default CSS values
// with values inherited from the containing iframe element. However,
// some values (such as the case of designMode = "on") still need to
// be set by this "document style".
auto documentStyle = RenderStyle::create();
bool seamlessWithParent = document.shouldDisplaySeamlesslyWithParent();
if (seamlessWithParent) {
RenderStyle* iframeStyle = document.seamlessParentIFrame()->renderStyle();
if (iframeStyle)
documentStyle.get().inheritFrom(iframeStyle);
}
// FIXME: It's not clear which values below we want to override in the seamless case!
documentStyle.get().setDisplay(BLOCK);
if (!seamlessWithParent) {
documentStyle.get().setRTLOrdering(document.visuallyOrdered() ? VisualOrder : LogicalOrder);
documentStyle.get().setZoom(!document.printing() ? renderView.frame().pageZoomFactor() : 1);
documentStyle.get().setPageScaleTransform(renderView.frame().frameScaleFactor());
documentStyle.get().setLocale(document.contentLanguage());
}
// This overrides any -webkit-user-modify inherited from the parent iframe.
documentStyle.get().setUserModify(document.inDesignMode() ? READ_WRITE : READ_ONLY);
#if PLATFORM(IOS)
if (document.inDesignMode())
documentStyle.get().setTextSizeAdjust(TextSizeAdjustment(NoTextSizeAdjustment));
#endif
Element* docElement = document.documentElement();
RenderObject* docElementRenderer = docElement ? docElement->renderer() : 0;
if (docElementRenderer) {
// Use the direction and writing-mode of the body to set the
// viewport's direction and writing-mode unless the property is set on the document element.
// If there is no body, then use the document element.
RenderObject* bodyRenderer = document.body() ? document.body()->renderer() : 0;
if (bodyRenderer && !document.writingModeSetOnDocumentElement())
documentStyle.get().setWritingMode(bodyRenderer->style().writingMode());
else
documentStyle.get().setWritingMode(docElementRenderer->style().writingMode());
if (bodyRenderer && !document.directionSetOnDocumentElement())
documentStyle.get().setDirection(bodyRenderer->style().direction());
else
documentStyle.get().setDirection(docElementRenderer->style().direction());
}
const Pagination& pagination = renderView.frameView().pagination();
if (pagination.mode != Pagination::Unpaginated) {
documentStyle.get().setColumnStylesFromPaginationMode(pagination.mode);
documentStyle.get().setColumnGap(pagination.gap);
if (renderView.hasColumns() || renderView.multiColumnFlowThread())
renderView.updateColumnProgressionFromStyle(&documentStyle.get());
}
// Seamless iframes want to inherit their font from their parent iframe, so early return before setting the font.
if (seamlessWithParent)
return documentStyle;
const Settings& settings = renderView.frame().settings();
FontDescription fontDescription;
fontDescription.setScript(localeToScriptCodeForFontSelection(documentStyle.get().locale()));
fontDescription.setUsePrinterFont(document.printing() || !settings.screenFontSubstitutionEnabled());
fontDescription.setRenderingMode(settings.fontRenderingMode());
const AtomicString& standardFont = settings.standardFontFamily(fontDescription.script());
if (!standardFont.isEmpty()) {
fontDescription.setGenericFamily(FontDescription::StandardFamily);
fontDescription.setOneFamily(standardFont);
}
fontDescription.setKeywordSize(CSSValueMedium - CSSValueXxSmall + 1);
int size = fontSizeForKeyword(CSSValueMedium, false, document);
fontDescription.setSpecifiedSize(size);
bool useSVGZoomRules = document.isSVGDocument();
fontDescription.setComputedSize(computedFontSizeFromSpecifiedSize(size, fontDescription.isAbsoluteSize(), useSVGZoomRules, &documentStyle.get(), document));
FontOrientation fontOrientation;
NonCJKGlyphOrientation glyphOrientation;
documentStyle.get().getFontAndGlyphOrientation(fontOrientation, glyphOrientation);
fontDescription.setOrientation(fontOrientation);
fontDescription.setNonCJKGlyphOrientation(glyphOrientation);
documentStyle.get().setFontDescription(fontDescription);
CSSFontSelector* fontSelector = document.styleResolverIfExists() ? document.styleResolverIfExists()->fontSelector() : 0;
documentStyle.get().font().update(fontSelector);
return documentStyle;
}
}
}
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