/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape Public License * Version 1.1 (the "License"); you may not use this file except in * compliance with the License. You may obtain a copy of the License at * http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Daniel Glazman * Boris Zbarsky * Christopher A. Aillon * * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the NPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsComputedDOMStyle.h" #include "nsDOMError.h" #include "nsIDOMCSS2Properties.h" #include "nsIDOMElement.h" #include "nsStyleContext.h" #include "nsIScrollableFrame.h" #include "nsContentUtils.h" #include "prprf.h" #include "nsCSSProps.h" #include "nsCSSKeywords.h" #include "nsDOMCSSRect.h" #include "nsLayoutAtoms.h" #include "nsThemeConstants.h" #include "nsIPresContext.h" #include "nsIDocument.h" #include "nsCSSPseudoElements.h" #include "nsStyleSet.h" #if defined(DEBUG_bzbarsky) || defined(DEBUG_caillon) #define DEBUG_ComputedDOMStyle #endif /* * This is the implementation of the readonly CSSStyleDeclaration that is * returned by the getComputedStyle() function. */ static nsComputedDOMStyle *sCachedComputedDOMStyle; nsresult NS_NewComputedDOMStyle(nsIComputedDOMStyle** aComputedStyle) { NS_ENSURE_ARG_POINTER(aComputedStyle); if (sCachedComputedDOMStyle) { // There's an unused nsComputedDOMStyle cached, use it. // But before we use it, re-initialize the object. // Oh yeah baby, placement new! *aComputedStyle = new (sCachedComputedDOMStyle) nsComputedDOMStyle(); sCachedComputedDOMStyle = nsnull; } else { // No nsComputedDOMStyle cached, create a new one. *aComputedStyle = new nsComputedDOMStyle(); NS_ENSURE_TRUE(*aComputedStyle, NS_ERROR_OUT_OF_MEMORY); } NS_ADDREF(*aComputedStyle); return NS_OK; } nsComputedDOMStyle::nsComputedDOMStyle() : mInner(this), mPresShellWeak(nsnull), mT2P(0.0f) { } nsComputedDOMStyle::~nsComputedDOMStyle() { } void nsComputedDOMStyle::Shutdown() { // We want to de-allocate without calling the dtor since we // already did that manually in doDestroyComputedDOMStyle(), // so cast our cached object to something that doesn't know // about our dtor. delete NS_REINTERPRET_CAST(char*, sCachedComputedDOMStyle); sCachedComputedDOMStyle = nsnull; } // QueryInterface implementation for nsComputedDOMStyle NS_INTERFACE_MAP_BEGIN(nsComputedDOMStyle) NS_INTERFACE_MAP_ENTRY(nsIComputedDOMStyle) NS_INTERFACE_MAP_ENTRY(nsIDOMCSSStyleDeclaration) NS_INTERFACE_MAP_ENTRY_AGGREGATED(nsIDOMCSS2Properties, &mInner) NS_INTERFACE_MAP_ENTRY_AGGREGATED(nsIDOMNSCSS2Properties, &mInner) NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIComputedDOMStyle) NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(ComputedCSSStyleDeclaration) NS_INTERFACE_MAP_END static void doDestroyComputedDOMStyle(nsComputedDOMStyle *aComputedStyle) { if (!sCachedComputedDOMStyle) { // The cache is empty, store aComputedStyle in the cache. sCachedComputedDOMStyle = aComputedStyle; sCachedComputedDOMStyle->~nsComputedDOMStyle(); } else { // The cache is full, delete aComputedStyle delete aComputedStyle; } } NS_IMPL_ADDREF(nsComputedDOMStyle) NS_IMPL_RELEASE_WITH_DESTROY(nsComputedDOMStyle, doDestroyComputedDOMStyle(this)) NS_IMETHODIMP nsComputedDOMStyle::Init(nsIDOMElement *aElement, const nsAString& aPseudoElt, nsIPresShell *aPresShell) { NS_ENSURE_ARG_POINTER(aElement); NS_ENSURE_ARG_POINTER(aPresShell); mPresShellWeak = do_GetWeakReference(aPresShell); mContent = do_QueryInterface(aElement); if (!mContent) { // This should not happen, all our elements support nsIContent! return NS_ERROR_FAILURE; } if (!DOMStringIsNull(aPseudoElt) && !aPseudoElt.IsEmpty() && aPseudoElt.First() == PRUnichar(':')) { // deal with two-colon forms of aPseudoElt nsAString::const_iterator start, end; aPseudoElt.BeginReading(start); aPseudoElt.EndReading(end); NS_ASSERTION(start != end, "aPseudoElt is not empty!"); ++start; PRBool haveTwoColons = PR_TRUE; if (start == end || *start != PRUnichar(':')) { --start; haveTwoColons = PR_FALSE; } mPseudo = do_GetAtom(Substring(start, end)); NS_ENSURE_TRUE(mPseudo, NS_ERROR_OUT_OF_MEMORY); // There aren't any non-CSS2 pseudo-elements with a single ':' if (!haveTwoColons && !nsCSSPseudoElements::IsCSS2PseudoElement(mPseudo)) { // XXXbz I'd really rather we threw an exception or something, but // the DOM spec sucks. mPseudo = nsnull; } } nsCOMPtr presCtx; aPresShell->GetPresContext(getter_AddRefs(presCtx)); NS_ENSURE_TRUE(presCtx, NS_ERROR_FAILURE); presCtx->GetTwipsToPixels(&mT2P); return NS_OK; } NS_IMETHODIMP nsComputedDOMStyle::GetCssText(nsAString& aCssText) { aCssText.Truncate(); return NS_OK; } NS_IMETHODIMP nsComputedDOMStyle::SetCssText(const nsAString& aCssText) { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; } NS_IMETHODIMP nsComputedDOMStyle::GetLength(PRUint32* aLength) { NS_PRECONDITION(aLength, "Null aLength! Prepare to die!"); (void)GetQueryablePropertyMap(aLength); return NS_OK; } NS_IMETHODIMP nsComputedDOMStyle::GetParentRule(nsIDOMCSSRule** aParentRule) { NS_ENSURE_ARG_POINTER(aParentRule); *aParentRule = nsnull; return NS_OK; } NS_IMETHODIMP nsComputedDOMStyle::GetPropertyValue(const nsAString& aPropertyName, nsAString& aReturn) { nsCOMPtr val; aReturn.Truncate(); nsresult rv = GetPropertyCSSValue(aPropertyName, getter_AddRefs(val)); NS_ENSURE_SUCCESS(rv, rv); if (val) { rv = val->GetCssText(aReturn); } return rv; } NS_IMETHODIMP nsComputedDOMStyle::GetPropertyCSSValue(const nsAString& aPropertyName, nsIDOMCSSValue** aReturn) { NS_ENSURE_ARG_POINTER(aReturn); *aReturn = nsnull; nsCOMPtr presShell = do_QueryReferent(mPresShellWeak); NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE); nsIFrame *frame = nsnull; presShell->GetPrimaryFrameFor(mContent, &frame); nsresult rv = NS_OK; nsCSSProperty prop = nsCSSProps::LookupProperty(aPropertyName); PRUint32 i = 0; PRUint32 length = 0; const ComputedStyleMapEntry* propMap = GetQueryablePropertyMap(&length); for (; i < length; ++i) { if (prop == propMap[i].mProperty) { // Call our pointer-to-member-function. rv = (this->*(propMap[i].mGetter))(frame, aReturn); break; } } #ifdef DEBUG_ComputedDOMStyle if (i == length) { NS_WARNING(PromiseFlatCString(NS_ConvertUCS2toUTF8(aPropertyName) + NS_LITERAL_CSTRING(" is not queryable!")).get()); } #endif if (NS_FAILED(rv)) { *aReturn = nsnull; } // Release the current style context for it should be re-resolved // whenever a frame is not available. mStyleContextHolder = nsnull; return rv; } NS_IMETHODIMP nsComputedDOMStyle::RemoveProperty(const nsAString& aPropertyName, nsAString& aReturn) { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; } NS_IMETHODIMP nsComputedDOMStyle::GetPropertyPriority(const nsAString& aPropertyName, nsAString& aReturn) { aReturn.Truncate(); return NS_OK; } NS_IMETHODIMP nsComputedDOMStyle::SetProperty(const nsAString& aPropertyName, const nsAString& aValue, const nsAString& aPriority) { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; } NS_IMETHODIMP nsComputedDOMStyle::Item(PRUint32 aIndex, nsAString& aReturn) { aReturn.Truncate(); PRUint32 length = 0; const ComputedStyleMapEntry* propMap = GetQueryablePropertyMap(&length); if (aIndex < length) { CopyASCIItoUCS2(nsCSSProps::GetStringValue(propMap[aIndex].mProperty), aReturn); } return NS_OK; } // Property getters... nsresult nsComputedDOMStyle::GetBinding(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleDisplay* display = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display, aFrame); if (display && display->mBinding) { val->SetURI(display->mBinding); } else { val->SetIdent(nsLayoutAtoms::none); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetClear(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleDisplay *display = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display, aFrame); if (display && display->mBreakType != NS_STYLE_CLEAR_NONE) { const nsAFlatCString& clear = nsCSSProps::SearchKeywordTable(display->mBreakType, nsCSSProps::kClearKTable); val->SetIdent(clear); } else { val->SetIdent(nsLayoutAtoms::none); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetCssFloat(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleDisplay* display = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display, aFrame); if (display && display->mFloats != NS_STYLE_FLOAT_NONE) { const nsAFlatCString& cssFloat = nsCSSProps::SearchKeywordTable(display->mFloats, nsCSSProps::kFloatKTable); val->SetIdent(cssFloat); } else { val->SetIdent(nsLayoutAtoms::none); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBottom(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetOffsetWidthFor(NS_SIDE_BOTTOM, aFrame, aValue); } nsDOMCSSRGBColor* nsComputedDOMStyle::GetDOMCSSRGBColor(nscolor aColor) { nsROCSSPrimitiveValue *red = GetROCSSPrimitiveValue(); nsROCSSPrimitiveValue *green = GetROCSSPrimitiveValue(); nsROCSSPrimitiveValue *blue = GetROCSSPrimitiveValue(); if (red && green && blue) { nsDOMCSSRGBColor *rgbColor = new nsDOMCSSRGBColor(red, green, blue); if (rgbColor) { red->SetNumber(NS_GET_R(aColor)); green->SetNumber(NS_GET_G(aColor)); blue->SetNumber(NS_GET_B(aColor)); return rgbColor; } } delete red; delete green; delete blue; return nsnull; } nsresult nsComputedDOMStyle::GetColor(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleColor* color = nsnull; GetStyleData(eStyleStruct_Color, (const nsStyleStruct*&)color, aFrame); nsDOMCSSRGBColor *rgb = nsnull; if (color) { rgb = GetDOMCSSRGBColor(color->mColor); if (!rgb) { delete val; return NS_ERROR_OUT_OF_MEMORY; } val->SetColor(rgb); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetOpacity(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleDisplay *display = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display, aFrame); if (display) { val->SetNumber(display->mOpacity); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetFontFamily(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleFont* font = nsnull; GetStyleData(eStyleStruct_Font, (const nsStyleStruct*&)font, aFrame); if (font) { nsCOMPtr presShell = do_QueryReferent(mPresShellWeak); NS_ASSERTION(presShell, "pres shell is required"); nsCOMPtr presContext; presShell->GetPresContext(getter_AddRefs(presContext)); NS_ASSERTION(presContext, "pres context is required"); const nsString& fontName = font->mFont.name; PRUint8 generic = font->mFlags & NS_STYLE_FONT_FACE_MASK; if (generic == kGenericFont_NONE) { const nsFont* defaultFont = presContext->GetDefaultFont(kPresContext_DefaultVariableFont_ID); PRInt32 lendiff = fontName.Length() - defaultFont->name.Length(); if (lendiff > 0) { val->SetString(Substring(fontName, 0, lendiff-1)); // -1 removes comma } else { val->SetString(fontName); } } else { val->SetString(fontName); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetFontSize(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleFont* font = nsnull; GetStyleData(eStyleStruct_Font, (const nsStyleStruct*&)font, aFrame); // Note: font->mSize is the 'computed size'; font->mFont.size is the // 'actual size' val->SetTwips(font? font->mSize:0); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetFontSizeAdjust(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleFont *font = nsnull; GetStyleData(eStyleStruct_Font, (const nsStyleStruct*&)font, aFrame); if (font && font->mFont.sizeAdjust) { val->SetNumber(font->mFont.sizeAdjust); } else { val->SetIdent(nsLayoutAtoms::none); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetFontStyle(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleFont* font = nsnull; GetStyleData(eStyleStruct_Font, (const nsStyleStruct*&)font, aFrame); if (font && font->mFont.style != NS_STYLE_FONT_STYLE_NORMAL) { const nsAFlatCString& style= nsCSSProps::SearchKeywordTable(font->mFont.style, nsCSSProps::kFontStyleKTable); val->SetIdent(style); } else { val->SetIdent(nsLayoutAtoms::normal); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetFontWeight(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleFont* font = nsnull; GetStyleData(eStyleStruct_Font, (const nsStyleStruct*&)font, aFrame); if (font) { const nsAFlatCString& str_weight= nsCSSProps::SearchKeywordTable(font->mFont.weight, nsCSSProps::kFontWeightKTable); if (!str_weight.IsEmpty()) { val->SetIdent(str_weight); } else { val->SetNumber(font->mFont.weight); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetFontVariant(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleFont* font = nsnull; GetStyleData(eStyleStruct_Font, (const nsStyleStruct*&)font, aFrame); if (font && font->mFont.variant != NS_STYLE_FONT_VARIANT_NORMAL) { const nsAFlatCString& variant= nsCSSProps::SearchKeywordTable(font->mFont.variant, nsCSSProps::kFontVariantKTable); val->SetIdent(variant); } else { val->SetIdent(nsLayoutAtoms::normal); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBackgroundAttachment(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBackground *background = nsnull; GetStyleData(eStyleStruct_Background, (const nsStyleStruct*&)background, aFrame); if (background) { const nsAFlatCString& backgroundAttachment = nsCSSProps::SearchKeywordTable(background->mBackgroundAttachment, nsCSSProps::kBackgroundAttachmentKTable); val->SetIdent(backgroundAttachment); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBackgroundClip(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBackground *background = nsnull; GetStyleData(eStyleStruct_Background, (const nsStyleStruct*&)background, aFrame); PRUint8 clip = NS_STYLE_BG_CLIP_BORDER; if (background) { clip = background->mBackgroundClip; } const nsAFlatCString& backgroundClip = nsCSSProps::SearchKeywordTable(clip, nsCSSProps::kBackgroundClipKTable); val->SetIdent(backgroundClip); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBackgroundColor(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBackground* color = nsnull; GetStyleData(eStyleStruct_Background, (const nsStyleStruct*&)color, aFrame); if (color) { if (color->mBackgroundFlags & NS_STYLE_BG_COLOR_TRANSPARENT) { const nsAFlatCString& backgroundColor = nsCSSProps::SearchKeywordTable(NS_STYLE_BG_COLOR_TRANSPARENT, nsCSSProps::kBackgroundColorKTable); val->SetIdent(backgroundColor); } else { nsDOMCSSRGBColor *rgb = nsnull; rgb = GetDOMCSSRGBColor(color->mBackgroundColor); if (!rgb) { delete val; return NS_ERROR_OUT_OF_MEMORY; } val->SetColor(rgb); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBackgroundImage(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBackground* color = nsnull; GetStyleData(eStyleStruct_Background, (const nsStyleStruct*&)color, aFrame); if (color) { if (color->mBackgroundFlags & NS_STYLE_BG_IMAGE_NONE) { val->SetIdent(nsLayoutAtoms::none); } else { val->SetURI(color->mBackgroundImage); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBackgroundInlinePolicy(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBackground *background = nsnull; GetStyleData(eStyleStruct_Background, (const nsStyleStruct*&)background, aFrame); PRUint8 policy = NS_STYLE_BG_INLINE_POLICY_CONTINUOUS; if (background) { policy = background->mBackgroundInlinePolicy; } const nsAFlatCString& backgroundPolicy = nsCSSProps::SearchKeywordTable(policy, nsCSSProps::kBackgroundInlinePolicyKTable); val->SetIdent(backgroundPolicy); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBackgroundOrigin(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBackground *background = nsnull; GetStyleData(eStyleStruct_Background, (const nsStyleStruct*&)background, aFrame); PRUint8 origin = NS_STYLE_BG_ORIGIN_PADDING; if (background) { origin = background->mBackgroundOrigin; } const nsAFlatCString& backgroundOrigin = nsCSSProps::SearchKeywordTable(origin, nsCSSProps::kBackgroundOriginKTable); val->SetIdent(backgroundOrigin); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBackgroundRepeat(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBackground *background = nsnull; GetStyleData(eStyleStruct_Background, (const nsStyleStruct*&)background, aFrame); if (background) { const nsAFlatCString& backgroundRepeat = nsCSSProps::SearchKeywordTable(background->mBackgroundRepeat, nsCSSProps::kBackgroundRepeatKTable); val->SetIdent(backgroundRepeat); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetPadding(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { // return null per spec. aValue = nsnull; return NS_OK; } nsresult nsComputedDOMStyle::GetPaddingTop(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetPaddingWidthFor(NS_SIDE_TOP, aFrame, aValue); } nsresult nsComputedDOMStyle::GetPaddingBottom(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetPaddingWidthFor(NS_SIDE_BOTTOM, aFrame, aValue); } nsresult nsComputedDOMStyle::GetPaddingLeft(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetPaddingWidthFor(NS_SIDE_LEFT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetPaddingRight(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetPaddingWidthFor(NS_SIDE_RIGHT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderCollapse(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleTableBorder* table = nsnull; GetStyleData(eStyleStruct_TableBorder, (const nsStyleStruct*&)table, aFrame); if (table) { const nsAFlatCString& ident= nsCSSProps::SearchKeywordTable(table->mBorderCollapse, nsCSSProps::kBorderCollapseKTable); val->SetIdent(ident); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBorderSpacing(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return NS_ERROR_DOM_NOT_SUPPORTED_ERR; } nsresult nsComputedDOMStyle::GetCaptionSide(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleTableBorder *table = nsnull; GetStyleData(eStyleStruct_TableBorder, (const nsStyleStruct*&)table, aFrame); if (table) { const nsAFlatCString& side = nsCSSProps::SearchKeywordTable(table->mCaptionSide, nsCSSProps::kCaptionSideKTable); val->SetIdent(side); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetEmptyCells(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleTableBorder *table = nsnull; GetStyleData(eStyleStruct_TableBorder, (const nsStyleStruct*&)table, aFrame); if (table) { const nsAFlatCString& emptyCells = nsCSSProps::SearchKeywordTable(table->mEmptyCells, nsCSSProps::kEmptyCellsKTable); val->SetIdent(emptyCells); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetTableLayout(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleTable *table = nsnull; GetStyleData(eStyleStruct_Table, (const nsStyleStruct*&)table, aFrame); if (table && table->mLayoutStrategy != NS_STYLE_TABLE_LAYOUT_AUTO) { const nsAFlatCString& tableLayout = nsCSSProps::SearchKeywordTable(table->mLayoutStrategy, nsCSSProps::kTableLayoutKTable); val->SetIdent(tableLayout); } else { val->SetIdent(nsLayoutAtoms::autoAtom); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBorderStyle(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { // return null per spec. aValue = nsnull; return NS_OK; } nsresult nsComputedDOMStyle::GetBorderTopStyle(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderStyleFor(NS_SIDE_TOP, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderBottomStyle(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderStyleFor(NS_SIDE_BOTTOM, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderLeftStyle(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderStyleFor(NS_SIDE_LEFT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderRightStyle(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderStyleFor(NS_SIDE_RIGHT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderBottomColors(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderColorsFor(NS_SIDE_BOTTOM, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderLeftColors(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderColorsFor(NS_SIDE_LEFT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderRightColors(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderColorsFor(NS_SIDE_RIGHT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderTopColors(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderColorsFor(NS_SIDE_TOP, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderRadiusBottomLeft(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderRadiusFor(NS_SIDE_LEFT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderRadiusBottomRight(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderRadiusFor(NS_SIDE_BOTTOM, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderRadiusTopLeft(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderRadiusFor(NS_SIDE_TOP, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderRadiusTopRight(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderRadiusFor(NS_SIDE_RIGHT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { // return null per spec. aValue = nsnull; return NS_OK; } nsresult nsComputedDOMStyle::GetBorderTopWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderWidthFor(NS_SIDE_TOP, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderBottomWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderWidthFor(NS_SIDE_BOTTOM, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderLeftWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderWidthFor(NS_SIDE_LEFT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderRightWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderWidthFor(NS_SIDE_RIGHT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderTopColor(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderColorFor(NS_SIDE_TOP, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderBottomColor(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderColorFor(NS_SIDE_BOTTOM, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderLeftColor(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderColorFor(NS_SIDE_LEFT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetBorderRightColor(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetBorderColorFor(NS_SIDE_RIGHT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetMarginWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { // return null per spec. aValue = nsnull; return NS_OK; } nsresult nsComputedDOMStyle::GetMarginTopWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetMarginWidthFor(NS_SIDE_TOP, aFrame, aValue); } nsresult nsComputedDOMStyle::GetMarginBottomWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetMarginWidthFor(NS_SIDE_BOTTOM, aFrame, aValue); } nsresult nsComputedDOMStyle::GetMarginLeftWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetMarginWidthFor(NS_SIDE_LEFT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetMarginRightWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetMarginWidthFor(NS_SIDE_RIGHT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetMarkerOffset(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleContent* content = nsnull; GetStyleData(eStyleStruct_Content, (const nsStyleStruct*&)content, aFrame); if (content) { switch (content->mMarkerOffset.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(content->mMarkerOffset.GetCoordValue()); break; case eStyleUnit_Auto: val->SetIdent(nsLayoutAtoms::autoAtom); break; case eStyleUnit_Null: val->SetIdent(nsLayoutAtoms::none); break; default: NS_WARNING("Double check the unit"); val->SetTwips(0); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetOutline(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { // return null per spec. aValue = nsnull; return NS_OK; } nsresult nsComputedDOMStyle::GetOutlineWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleOutline* outline = nsnull; GetStyleData(eStyleStruct_Outline, (const nsStyleStruct*&)outline, aFrame); if (outline) { switch (outline->mOutlineWidth.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(outline->mOutlineWidth.GetCoordValue()); break; case eStyleUnit_Integer: case eStyleUnit_Proportional: case eStyleUnit_Enumerated: case eStyleUnit_Chars: { const nsAFlatCString& width= nsCSSProps::SearchKeywordTable(outline->mOutlineWidth.GetIntValue(), nsCSSProps::kBorderWidthKTable); val->SetIdent(width); break; } default: NS_WARNING("Double check the unit"); val->SetTwips(0); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetOutlineStyle(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleOutline* outline = nsnull; GetStyleData(eStyleStruct_Outline, (const nsStyleStruct*&)outline, aFrame); if (outline) { PRUint8 outlineStyle = outline->GetOutlineStyle(); if (outlineStyle == NS_STYLE_BORDER_STYLE_NONE) { val->SetIdent(nsLayoutAtoms::none); } else { const nsAFlatCString& style= nsCSSProps::SearchKeywordTable(outlineStyle, nsCSSProps::kBorderStyleKTable); val->SetIdent(style); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetOutlineColor(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleOutline* outline = nsnull; GetStyleData(eStyleStruct_Outline, (const nsStyleStruct*&)outline, aFrame); if (outline) { nscolor color; outline->GetOutlineColor(color); nsDOMCSSRGBColor *rgb = nsnull; rgb = GetDOMCSSRGBColor(color); if (!rgb) { delete val; return NS_ERROR_OUT_OF_MEMORY; } val->SetColor(rgb); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetZIndex(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStylePosition* position = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)position, aFrame); if (position) { switch (position->mZIndex.GetUnit()) { case eStyleUnit_Integer: val->SetNumber(position->mZIndex.GetIntValue()); break; default: NS_WARNING("Double Check the Unit!"); // fall through case eStyleUnit_Auto: val->SetIdent(nsLayoutAtoms::autoAtom); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetListStyleImage(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleList* list = nsnull; GetStyleData(eStyleStruct_List, (const nsStyleStruct*&)list, aFrame); if (list) { if (!list->mListStyleImage) { val->SetIdent(nsLayoutAtoms::none); } else { val->SetURI(list->mListStyleImage); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetListStylePosition(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleList *list = nsnull; GetStyleData(eStyleStruct_List, (const nsStyleStruct*&)list, aFrame); if (list) { const nsAFlatCString& style = nsCSSProps::SearchKeywordTable(list->mListStylePosition, nsCSSProps::kListStylePositionKTable); val->SetIdent(style); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetListStyleType(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleList *list = nsnull; GetStyleData(eStyleStruct_List, (const nsStyleStruct*&)list, aFrame); if (list) { if (list->mListStyleType == NS_STYLE_LIST_STYLE_NONE) { val->SetIdent(nsLayoutAtoms::none); } else { const nsAFlatCString& style = nsCSSProps::SearchKeywordTable(list->mListStyleType, nsCSSProps::kListStyleKTable); val->SetIdent(style); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetImageRegion(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleList* list = nsnull; GetStyleData(eStyleStruct_List, (const nsStyleStruct*&)list, aFrame); nsresult rv = NS_OK; nsROCSSPrimitiveValue *topVal = nsnull; nsROCSSPrimitiveValue *rightVal = nsnull; nsROCSSPrimitiveValue *bottomVal = nsnull; nsROCSSPrimitiveValue *leftVal = nsnull; if (list) { if (list->mImageRegion.width <= 0 || list->mImageRegion.height <= 0) { val->SetIdent(nsLayoutAtoms::autoAtom); } else { // create the cssvalues for the sides, stick them in the rect object topVal = GetROCSSPrimitiveValue(); rightVal = GetROCSSPrimitiveValue(); bottomVal = GetROCSSPrimitiveValue(); leftVal = GetROCSSPrimitiveValue(); if (topVal && rightVal && bottomVal && leftVal) { nsDOMCSSRect * domRect = new nsDOMCSSRect(topVal, rightVal, bottomVal, leftVal); if (domRect) { topVal->SetTwips(list->mImageRegion.y); rightVal->SetTwips(list->mImageRegion.width + list->mImageRegion.x); bottomVal->SetTwips(list->mImageRegion.height + list->mImageRegion.y); leftVal->SetTwips(list->mImageRegion.x); val->SetRect(domRect); } else { rv = NS_ERROR_OUT_OF_MEMORY; } } else { rv = NS_ERROR_OUT_OF_MEMORY; } } } if (NS_FAILED(rv)) { delete topVal; delete rightVal; delete bottomVal; delete leftVal; delete val; return rv; } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetLineHeight(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleText *text = nsnull; GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&)text, aFrame); nscoord lineHeight; nsresult rv = GetLineHeightCoord(aFrame, text, lineHeight); if (NS_SUCCEEDED(rv)) { val->SetTwips(lineHeight); } else if (text) { switch (text->mLineHeight.GetUnit()) { case eStyleUnit_Percent: val->SetPercent(text->mLineHeight.GetPercentValue()); break; case eStyleUnit_Factor: val->SetNumber(text->mLineHeight.GetFactorValue()); break; default: #ifdef DEBUG_ComputedDOMStyle NS_WARNING("double check the line-height"); #endif val->SetIdent(nsLayoutAtoms::normal); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetVerticalAlign(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleTextReset *text = nsnull; GetStyleData(eStyleStruct_TextReset, (const nsStyleStruct*&)text, aFrame); if (text) { switch (text->mVerticalAlign.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(text->mVerticalAlign.GetCoordValue()); break; case eStyleUnit_Enumerated: { const nsAFlatCString& align = nsCSSProps::SearchKeywordTable(text->mVerticalAlign.GetIntValue(), nsCSSProps::kVerticalAlignKTable); val->SetIdent(align); break; } case eStyleUnit_Percent: { const nsStyleText *textData = nsnull; GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&)textData, aFrame); nscoord lineHeight = 0; nsresult rv = GetLineHeightCoord(aFrame, textData, lineHeight); if (NS_SUCCEEDED(rv)) { val->SetTwips(lineHeight * text->mVerticalAlign.GetPercentValue()); } else { val->SetPercent(text->mVerticalAlign.GetPercentValue()); } break; } default: NS_ERROR("double check the vertical-align"); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetTextAlign(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleText* text = nsnull; GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&)text, aFrame); if (text) { const nsAFlatCString& align= nsCSSProps::SearchKeywordTable(text->mTextAlign, nsCSSProps::kTextAlignKTable); val->SetIdent(align); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetTextDecoration(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleTextReset* text = nsnull; GetStyleData(eStyleStruct_TextReset, (const nsStyleStruct*&)text, aFrame); if (text) { if (NS_STYLE_TEXT_DECORATION_NONE == text->mTextDecoration) { const nsAFlatCString& decoration= nsCSSKeywords::GetStringValue(eCSSKeyword_none); val->SetIdent(decoration); } else { nsAutoString decorationString; if (text->mTextDecoration & NS_STYLE_TEXT_DECORATION_UNDERLINE) { const nsAFlatCString& decoration= nsCSSProps::SearchKeywordTable(NS_STYLE_TEXT_DECORATION_UNDERLINE, nsCSSProps::kTextDecorationKTable); decorationString.AppendWithConversion(decoration.get()); } if (text->mTextDecoration & NS_STYLE_TEXT_DECORATION_OVERLINE) { if (!decorationString.IsEmpty()) { decorationString.Append(PRUnichar(' ')); } const nsAFlatCString& decoration= nsCSSProps::SearchKeywordTable(NS_STYLE_TEXT_DECORATION_OVERLINE, nsCSSProps::kTextDecorationKTable); decorationString.AppendWithConversion(decoration.get()); } if (text->mTextDecoration & NS_STYLE_TEXT_DECORATION_LINE_THROUGH) { if (!decorationString.IsEmpty()) { decorationString.Append(PRUnichar(' ')); } const nsAFlatCString& decoration= nsCSSProps::SearchKeywordTable(NS_STYLE_TEXT_DECORATION_LINE_THROUGH, nsCSSProps::kTextDecorationKTable); decorationString.AppendWithConversion(decoration.get()); } if (text->mTextDecoration & NS_STYLE_TEXT_DECORATION_BLINK) { if (!decorationString.IsEmpty()) { decorationString.Append(PRUnichar(' ')); } const nsAFlatCString& decoration= nsCSSProps::SearchKeywordTable(NS_STYLE_TEXT_DECORATION_BLINK, nsCSSProps::kTextDecorationKTable); decorationString.AppendWithConversion(decoration.get()); } val->SetString(decorationString); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetTextIndent(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleText *text = nsnull; GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&)text, aFrame); FlushPendingReflows(); if (text) { switch (text->mTextIndent.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(text->mTextIndent.GetCoordValue()); break; case eStyleUnit_Percent: { nsIFrame *container = GetContainingBlock(aFrame); if (container) { val->SetTwips(container->GetSize().width * text->mTextIndent.GetPercentValue()); } else { // no containing block val->SetPercent(text->mTextIndent.GetPercentValue()); } break; } default: val->SetTwips(0); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetTextTransform(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleText *text = nsnull; GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&)text, aFrame); if (text && text->mTextTransform != NS_STYLE_TEXT_TRANSFORM_NONE) { const nsAFlatCString& textTransform = nsCSSProps::SearchKeywordTable(text->mTextTransform, nsCSSProps::kTextTransformKTable); val->SetIdent(textTransform); } else { val->SetIdent(nsLayoutAtoms::none); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetLetterSpacing(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleText *text = nsnull; GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&)text, aFrame); if (text && text->mLetterSpacing.GetUnit() == eStyleUnit_Coord) { val->SetTwips(text->mLetterSpacing.GetCoordValue()); } else { val->SetIdent(nsLayoutAtoms::normal); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetWordSpacing(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleText *text = nsnull; GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&)text, aFrame); if (text && text->mWordSpacing.GetUnit() == eStyleUnit_Coord) { val->SetTwips(text->mWordSpacing.GetCoordValue()); } else { val->SetIdent(nsLayoutAtoms::normal); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetWhiteSpace(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleText *text = nsnull; GetStyleData(eStyleStruct_Text, (const nsStyleStruct*&)text, aFrame); if (text && text->mWhiteSpace != NS_STYLE_WHITESPACE_NORMAL) { const nsAFlatCString& whiteSpace = nsCSSProps::SearchKeywordTable(text->mWhiteSpace, nsCSSProps::kWhitespaceKTable); val->SetIdent(whiteSpace); } else { val->SetIdent(nsLayoutAtoms::normal); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetVisibility(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleVisibility* visibility = nsnull; GetStyleData(eStyleStruct_Visibility, (const nsStyleStruct*&)visibility, aFrame); if (visibility) { const nsAFlatCString& value= nsCSSProps::SearchKeywordTable(visibility->mVisible, nsCSSProps::kVisibilityKTable); val->SetIdent(value); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetDirection(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleVisibility *visibility = nsnull; GetStyleData(eStyleStruct_Visibility, (const nsStyleStruct*&)visibility, aFrame); if (visibility) { const nsAFlatCString & direction = nsCSSProps::SearchKeywordTable(visibility->mDirection, nsCSSProps::kDirectionKTable); val->SetIdent(direction); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetUnicodeBidi(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleTextReset *text = nsnull; GetStyleData(eStyleStruct_TextReset, (const nsStyleStruct*&)text, aFrame); if (text && text->mUnicodeBidi != NS_STYLE_UNICODE_BIDI_NORMAL) { const nsAFlatCString& bidi = nsCSSProps::SearchKeywordTable(text->mUnicodeBidi, nsCSSProps::kUnicodeBidiKTable); val->SetIdent(bidi); } else { val->SetIdent(nsLayoutAtoms::normal); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetCursor(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleUserInterface *ui = nsnull; GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct*&)ui, aFrame); if (ui) { if (ui->mCursor == NS_STYLE_CURSOR_AUTO) { val->SetIdent(nsLayoutAtoms::autoAtom); } else { const nsAFlatCString& cursor = nsCSSProps::SearchKeywordTable(ui->mCursor, nsCSSProps::kCursorKTable); val->SetIdent(cursor); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetAppearance(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleDisplay *displayData = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)displayData, aFrame); PRUint8 appearance = NS_THEME_NONE; if (displayData) { appearance = displayData->mAppearance; } const nsAFlatCString& appearanceIdent = nsCSSProps::SearchKeywordTable(appearance, nsCSSProps::kAppearanceKTable); val->SetIdent(appearanceIdent); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBoxAlign(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleXUL *xul = nsnull; GetStyleData(eStyleStruct_XUL, (const nsStyleStruct*&)xul, aFrame); PRUint8 boxAlign = NS_STYLE_BOX_ALIGN_STRETCH; if (xul) { boxAlign = xul->mBoxAlign; } const nsAFlatCString& boxAlignIdent = nsCSSProps::SearchKeywordTable(boxAlign, nsCSSProps::kBoxAlignKTable); val->SetIdent(boxAlignIdent); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBoxDirection(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleXUL *xul = nsnull; GetStyleData(eStyleStruct_XUL, (const nsStyleStruct*&)xul, aFrame); PRUint8 boxDirection = NS_STYLE_BOX_DIRECTION_NORMAL; if (xul) { boxDirection = xul->mBoxDirection; } const nsAFlatCString& boxDirectionIdent = nsCSSProps::SearchKeywordTable(boxDirection, nsCSSProps::kBoxDirectionKTable); val->SetIdent(boxDirectionIdent); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBoxFlex(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleXUL *xul = nsnull; GetStyleData(eStyleStruct_XUL, (const nsStyleStruct*&)xul, aFrame); float boxFlex = 0.0f; if (xul) { boxFlex = xul->mBoxFlex; } val->SetNumber(boxFlex); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBoxOrdinalGroup(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleXUL *xul = nsnull; GetStyleData(eStyleStruct_XUL, (const nsStyleStruct*&)xul, aFrame); PRUint32 boxOrdinalGroup = 1; if (xul) { boxOrdinalGroup = xul->mBoxOrdinal; } val->SetNumber(boxOrdinalGroup); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBoxOrient(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleXUL *xul = nsnull; GetStyleData(eStyleStruct_XUL, (const nsStyleStruct*&)xul, aFrame); PRUint8 boxOrient = NS_STYLE_BOX_ORIENT_HORIZONTAL; if (xul) { boxOrient = xul->mBoxOrient; } const nsAFlatCString& boxOrientIdent = nsCSSProps::SearchKeywordTable(boxOrient, nsCSSProps::kBoxOrientKTable); val->SetIdent(boxOrientIdent); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBoxPack(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleXUL *xul = nsnull; GetStyleData(eStyleStruct_XUL, (const nsStyleStruct*&)xul, aFrame); PRUint8 boxPack = NS_STYLE_BOX_PACK_START; if (xul) { boxPack = xul->mBoxPack; } const nsAFlatCString& boxPackIdent = nsCSSProps::SearchKeywordTable(boxPack, nsCSSProps::kBoxPackKTable); val->SetIdent(boxPackIdent); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBoxSizing(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStylePosition *positionData = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)positionData, aFrame); PRUint8 boxSizing = NS_STYLE_BOX_SIZING_CONTENT; if (positionData) { boxSizing = positionData->mBoxSizing; } const nsAFlatCString& boxSizingIdent = nsCSSProps::SearchKeywordTable(boxSizing, nsCSSProps::kBoxSizingKTable); val->SetIdent(boxSizingIdent); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetFloatEdge(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBorder *borderData = nsnull; GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)borderData, aFrame); PRUint8 floatEdge = NS_STYLE_FLOAT_EDGE_CONTENT; if (borderData) { floatEdge = borderData->mFloatEdge; } const nsAFlatCString& floatEdgeIdent = nsCSSProps::SearchKeywordTable(floatEdge, nsCSSProps::kFloatEdgeKTable); val->SetIdent(floatEdgeIdent); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetUserFocus(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleUserInterface *uiData = nsnull; GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct*&)uiData, aFrame); if (uiData && uiData->mUserFocus != NS_STYLE_USER_FOCUS_NONE) { if (uiData->mUserFocus == NS_STYLE_USER_FOCUS_NORMAL) { const nsAFlatCString& userFocusIdent = nsCSSKeywords::GetStringValue(eCSSKeyword_normal); val->SetIdent(userFocusIdent); } else { const nsAFlatCString& userFocusIdent = nsCSSProps::SearchKeywordTable(uiData->mUserFocus, nsCSSProps::kUserFocusKTable); val->SetIdent(userFocusIdent); } } else { const nsAFlatCString& userFocusIdent = nsCSSKeywords::GetStringValue(eCSSKeyword_none); val->SetIdent(userFocusIdent); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetUserInput(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleUserInterface *uiData = nsnull; GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct*&)uiData, aFrame); if (uiData && uiData->mUserInput != NS_STYLE_USER_INPUT_AUTO) { if (uiData->mUserInput == NS_STYLE_USER_INPUT_NONE) { const nsAFlatCString& userInputIdent = nsCSSKeywords::GetStringValue(eCSSKeyword_none); val->SetIdent(userInputIdent); } else { const nsAFlatCString& userInputIdent = nsCSSProps::SearchKeywordTable(uiData->mUserInput, nsCSSProps::kUserInputKTable); val->SetIdent(userInputIdent); } } else { const nsAFlatCString& userInputIdent = nsCSSKeywords::GetStringValue(eCSSKeyword_auto); val->SetIdent(userInputIdent); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetUserModify(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleUserInterface *uiData = nsnull; GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct*&)uiData, aFrame); PRUint8 userModify = NS_STYLE_USER_MODIFY_READ_ONLY; if (uiData) { userModify = uiData->mUserModify; } const nsAFlatCString& userModifyIdent = nsCSSProps::SearchKeywordTable(userModify, nsCSSProps::kUserModifyKTable); val->SetIdent(userModifyIdent); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetUserSelect(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleUIReset *uiData = nsnull; GetStyleData(eStyleStruct_UIReset, (const nsStyleStruct*&)uiData, aFrame); if (uiData && uiData->mUserSelect != NS_STYLE_USER_SELECT_AUTO) { if (uiData->mUserSelect == NS_STYLE_USER_SELECT_NONE) { const nsAFlatCString& userSelectIdent = nsCSSKeywords::GetStringValue(eCSSKeyword_none); val->SetIdent(userSelectIdent); } else { const nsAFlatCString& userSelectIdent = nsCSSProps::SearchKeywordTable(uiData->mUserSelect, nsCSSProps::kUserSelectKTable); val->SetIdent(userSelectIdent); } } else { const nsAFlatCString& userSelectIdent = nsCSSKeywords::GetStringValue(eCSSKeyword_auto); val->SetIdent(userSelectIdent); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetDisplay(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleDisplay *displayData = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)displayData, aFrame); if (displayData) { if (displayData->mDisplay == NS_STYLE_DISPLAY_NONE) { val->SetIdent(nsLayoutAtoms::none); } else { const nsAFlatCString& display = nsCSSProps::SearchKeywordTable(displayData->mDisplay, nsCSSProps::kDisplayKTable); val->SetIdent(display); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetPosition(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleDisplay* display = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display, aFrame); if (display) { const nsAFlatCString& position = nsCSSProps::SearchKeywordTable(display->mPosition, nsCSSProps::kPositionKTable); val->SetIdent(position); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetClip(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleDisplay* display = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display, aFrame); nsresult rv = NS_OK; nsROCSSPrimitiveValue *topVal = nsnull; nsROCSSPrimitiveValue *rightVal = nsnull; nsROCSSPrimitiveValue *bottomVal = nsnull; nsROCSSPrimitiveValue *leftVal = nsnull; if (display) { if (display->mClipFlags == NS_STYLE_CLIP_AUTO || display->mClipFlags == (NS_STYLE_CLIP_TOP_AUTO | NS_STYLE_CLIP_RIGHT_AUTO | NS_STYLE_CLIP_BOTTOM_AUTO | NS_STYLE_CLIP_LEFT_AUTO)) { val->SetIdent(nsLayoutAtoms::autoAtom); } else { // create the cssvalues for the sides, stick them in the rect object topVal = GetROCSSPrimitiveValue(); rightVal = GetROCSSPrimitiveValue(); bottomVal = GetROCSSPrimitiveValue(); leftVal = GetROCSSPrimitiveValue(); if (topVal && rightVal && bottomVal && leftVal) { nsDOMCSSRect * domRect = new nsDOMCSSRect(topVal, rightVal, bottomVal, leftVal); if (domRect) { if (display->mClipFlags & NS_STYLE_CLIP_TOP_AUTO) { topVal->SetIdent(nsLayoutAtoms::autoAtom); } else { topVal->SetTwips(display->mClip.y); } if (display->mClipFlags & NS_STYLE_CLIP_RIGHT_AUTO) { rightVal->SetIdent(nsLayoutAtoms::autoAtom); } else { rightVal->SetTwips(display->mClip.width + display->mClip.x); } if (display->mClipFlags & NS_STYLE_CLIP_BOTTOM_AUTO) { bottomVal->SetIdent(nsLayoutAtoms::autoAtom); } else { bottomVal->SetTwips(display->mClip.height + display->mClip.y); } if (display->mClipFlags & NS_STYLE_CLIP_LEFT_AUTO) { leftVal->SetIdent(nsLayoutAtoms::autoAtom); } else { leftVal->SetTwips(display->mClip.x); } val->SetRect(domRect); } else { rv = NS_ERROR_OUT_OF_MEMORY; } } else { rv = NS_ERROR_OUT_OF_MEMORY; } } } if (NS_FAILED(rv)) { delete topVal; delete rightVal; delete bottomVal; delete leftVal; delete val; return rv; } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetOverflow(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleDisplay* display = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display, aFrame); if (display && display->mOverflow != NS_STYLE_OVERFLOW_AUTO) { const nsAFlatCString& overflow = nsCSSProps::SearchKeywordTable(display->mOverflow, nsCSSProps::kOverflowKTable); val->SetIdent(overflow); } else { val->SetIdent(nsLayoutAtoms::autoAtom); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetHeight(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); PRBool calcHeight = PR_FALSE; if (aFrame) { calcHeight = PR_TRUE; FlushPendingReflows(); const nsStyleDisplay* displayData = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)displayData, aFrame); if (displayData && displayData->mDisplay == NS_STYLE_DISPLAY_INLINE && !(aFrame->GetStateBits() & NS_FRAME_REPLACED_ELEMENT)) { calcHeight = PR_FALSE; } } if (calcHeight) { nsMargin padding; nsMargin border; nsSize size = aFrame->GetSize(); const nsStylePadding* paddingData = nsnull; GetStyleData(eStyleStruct_Padding, (const nsStyleStruct*&)paddingData, aFrame); if (paddingData) { paddingData->CalcPaddingFor(aFrame, padding); } const nsStyleBorder* borderData = nsnull; GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)borderData, aFrame); if (borderData) { borderData->CalcBorderFor(aFrame, border); } val->SetTwips(size.height - padding.top - padding.bottom - border.top - border.bottom); } else { // Just return the value in the style context const nsStylePosition* positionData = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)positionData, aFrame); if (positionData) { switch (positionData->mHeight.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(positionData->mHeight.GetCoordValue()); break; case eStyleUnit_Percent: val->SetPercent(positionData->mHeight.GetPercentValue()); break; case eStyleUnit_Auto: val->SetIdent(nsLayoutAtoms::autoAtom); break; default: NS_WARNING("Double check the unit"); val->SetTwips(0); break; } } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); PRBool calcWidth = PR_FALSE; if (aFrame) { calcWidth = PR_TRUE; FlushPendingReflows(); const nsStyleDisplay *displayData = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)displayData, aFrame); if (displayData && displayData->mDisplay == NS_STYLE_DISPLAY_INLINE && !(aFrame->GetStateBits() & NS_FRAME_REPLACED_ELEMENT)) { calcWidth = PR_FALSE; } } if (calcWidth) { nsSize size = aFrame->GetSize(); nsMargin padding; nsMargin border; const nsStylePadding *paddingData = nsnull; GetStyleData(eStyleStruct_Padding, (const nsStyleStruct*&)paddingData, aFrame); if (paddingData) { paddingData->CalcPaddingFor(aFrame, padding); } const nsStyleBorder *borderData = nsnull; GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)borderData, aFrame); if (borderData) { borderData->CalcBorderFor(aFrame, border); } val->SetTwips(size.width - padding.left - padding.right - border.left - border.right); } else { // Just return the value in the style context const nsStylePosition *positionData = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)positionData, aFrame); if (positionData) { switch (positionData->mWidth.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(positionData->mWidth.GetCoordValue()); break; case eStyleUnit_Percent: val->SetPercent(positionData->mWidth.GetPercentValue()); break; case eStyleUnit_Auto: val->SetIdent(nsLayoutAtoms::autoAtom); break; default: NS_WARNING("Double check the unit"); val->SetTwips(0); break; } } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetMaxHeight(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStylePosition *positionData = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)positionData, aFrame); FlushPendingReflows(); if (positionData) { nsIFrame *container = nsnull; nsSize size; nscoord minHeight = 0; if (positionData->mMinHeight.GetUnit() == eStyleUnit_Percent) { container = GetContainingBlock(aFrame); if (container) { size = container->GetSize(); minHeight = nscoord(size.height * positionData->mMinHeight.GetPercentValue()); } } else if (positionData->mMinHeight.GetUnit() == eStyleUnit_Coord) { minHeight = positionData->mMinHeight.GetCoordValue(); } switch (positionData->mMaxHeight.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(PR_MAX(minHeight, positionData->mMaxHeight.GetCoordValue())); break; case eStyleUnit_Percent: if (!container) { container = GetContainingBlock(aFrame); if (container) { size = container->GetSize(); } else { // no containing block val->SetPercent(positionData->mMaxHeight.GetPercentValue()); } } if (container) { val->SetTwips(PR_MAX(minHeight, size.height * positionData->mMaxHeight.GetPercentValue())); } break; default: val->SetIdent(nsLayoutAtoms::none); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetMaxWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStylePosition *positionData = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)positionData, aFrame); FlushPendingReflows(); if (positionData) { nsIFrame *container = nsnull; nsSize size; nscoord minWidth = 0; if (positionData->mMinWidth.GetUnit() == eStyleUnit_Percent) { container = GetContainingBlock(aFrame); if (container) { size = container->GetSize(); minWidth = nscoord(size.width * positionData->mMinWidth.GetPercentValue()); } } else if (positionData->mMinWidth.GetUnit() == eStyleUnit_Coord) { minWidth = positionData->mMinWidth.GetCoordValue(); } switch (positionData->mMaxWidth.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(PR_MAX(minWidth, positionData->mMaxWidth.GetCoordValue())); break; case eStyleUnit_Percent: if (!container) { container = GetContainingBlock(aFrame); if (container) { size = container->GetSize(); } else { // no containing block val->SetPercent(positionData->mMaxWidth.GetPercentValue()); } } if (container) { val->SetTwips(PR_MAX(minWidth, size.width * positionData->mMaxWidth.GetPercentValue())); } break; default: val->SetIdent(nsLayoutAtoms::none); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetMinHeight(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStylePosition *positionData = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)positionData, aFrame); FlushPendingReflows(); if (positionData) { nsIFrame *container = nsnull; switch (positionData->mMinHeight.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(positionData->mMinHeight.GetCoordValue()); break; case eStyleUnit_Percent: container = GetContainingBlock(aFrame); if (container) { val->SetTwips(container->GetSize().height * positionData->mMinHeight.GetPercentValue()); } else { // no containing block val->SetPercent(positionData->mMinHeight.GetPercentValue()); } break; default: val->SetTwips(0); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetMinWidth(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStylePosition *positionData = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)positionData, aFrame); FlushPendingReflows(); if (positionData) { nsIFrame *container = nsnull; switch (positionData->mMinWidth.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(positionData->mMinWidth.GetCoordValue()); break; case eStyleUnit_Percent: container = GetContainingBlock(aFrame); if (container) { val->SetTwips(container->GetSize().width * positionData->mMinWidth.GetPercentValue()); } else { // no containing block val->SetPercent(positionData->mMinWidth.GetPercentValue()); } break; default: val->SetTwips(0); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetLeft(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetOffsetWidthFor(NS_SIDE_LEFT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetRight(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetOffsetWidthFor(NS_SIDE_RIGHT, aFrame, aValue); } nsresult nsComputedDOMStyle::GetTop(nsIFrame *aFrame, nsIDOMCSSValue** aValue) { return GetOffsetWidthFor(NS_SIDE_TOP, aFrame, aValue); } nsROCSSPrimitiveValue* nsComputedDOMStyle::GetROCSSPrimitiveValue() { nsROCSSPrimitiveValue *primitiveValue = new nsROCSSPrimitiveValue(mT2P); NS_ASSERTION(primitiveValue != 0, "ran out of memory"); return primitiveValue; } nsDOMCSSValueList* nsComputedDOMStyle::GetROCSSValueList(PRBool aCommaDelimited) { nsDOMCSSValueList *valueList = new nsDOMCSSValueList(aCommaDelimited, PR_TRUE); NS_ASSERTION(valueList != 0, "ran out of memory"); return valueList; } nsresult nsComputedDOMStyle::GetOffsetWidthFor(PRUint8 aSide, nsIFrame* aFrame, nsIDOMCSSValue** aValue) { const nsStyleDisplay* display = nsnull; GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display, aFrame); FlushPendingReflows(); nsresult rv = NS_OK; if (display) { switch (display->mPosition) { case NS_STYLE_POSITION_STATIC: rv = GetStaticOffset(aSide, aFrame, aValue); break; case NS_STYLE_POSITION_RELATIVE: rv = GetRelativeOffset(aSide, aFrame, aValue); break; case NS_STYLE_POSITION_ABSOLUTE: case NS_STYLE_POSITION_FIXED: rv = GetAbsoluteOffset(aSide, aFrame, aValue); break; default: NS_WARNING("double check the position"); break; } } return rv; } nsresult nsComputedDOMStyle::GetAbsoluteOffset(PRUint8 aSide, nsIFrame* aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); nsIFrame* container = GetContainingBlock(aFrame); if (container) { nscoord margin = GetMarginWidthCoordFor(aSide, aFrame); nscoord border = GetBorderWidthCoordFor(aSide, container); nsMargin scrollbarSizes(0, 0, 0, 0); nsRect rect = aFrame->GetRect(); nsRect containerRect = container->GetRect(); if (container->GetType() == nsLayoutAtoms::viewportFrame) { // For absolutely positioned frames scrollbars are taken into // account by virtue of getting a containing block that does // _not_ include the scrollbars. For fixed positioned frames, // the containing block is the viewport, which _does_ include // scrollbars. We have to do some extra work. nsCOMPtr presShell = do_QueryReferent(mPresShellWeak); NS_ASSERTION(presShell, "Must have a presshell!"); nsCOMPtr presContext; presShell->GetPresContext(getter_AddRefs(presContext)); // the first child in the default frame list is what we want nsIFrame* scrollingChild = container->GetFirstChild(nsnull); nsCOMPtr scrollFrame = do_QueryInterface(scrollingChild); if (scrollFrame) { scrollbarSizes = scrollFrame->GetActualScrollbarSizes(); } } nscoord offset = 0; switch (aSide) { case NS_SIDE_TOP: offset = rect.y - margin - border - scrollbarSizes.top; break; case NS_SIDE_RIGHT: offset = containerRect.width - rect.width - rect.x - margin - border - scrollbarSizes.right; break; case NS_SIDE_BOTTOM: offset = containerRect.height - rect.height - rect.y - margin - border - scrollbarSizes.bottom; break; case NS_SIDE_LEFT: offset = rect.x - margin - border - scrollbarSizes.left; break; default: NS_WARNING("double check the side"); break; } val->SetTwips(offset); } else { // XXX no frame. This property makes no sense val->SetTwips(0); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetRelativeOffset(PRUint8 aSide, nsIFrame* aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStylePosition* positionData = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)positionData, aFrame); if (positionData) { nsStyleCoord coord; PRInt32 sign = 1; switch (aSide) { case NS_SIDE_TOP: positionData->mOffset.GetTop(coord); if (coord.GetUnit() != eStyleUnit_Coord && coord.GetUnit() != eStyleUnit_Percent) { positionData->mOffset.GetBottom(coord); sign = -1; } break; case NS_SIDE_RIGHT: positionData->mOffset.GetRight(coord); if (coord.GetUnit() != eStyleUnit_Coord && coord.GetUnit() != eStyleUnit_Percent) { positionData->mOffset.GetLeft(coord); sign = -1; } break; case NS_SIDE_BOTTOM: positionData->mOffset.GetBottom(coord); if (coord.GetUnit() != eStyleUnit_Coord && coord.GetUnit() != eStyleUnit_Percent) { positionData->mOffset.GetTop(coord); sign = -1; } break; case NS_SIDE_LEFT: positionData->mOffset.GetLeft(coord); if (coord.GetUnit() != eStyleUnit_Coord && coord.GetUnit() != eStyleUnit_Percent) { positionData->mOffset.GetRight(coord); sign = -1; } break; default: NS_WARNING("double check the side"); break; } nsIFrame* container = nsnull; switch(coord.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(sign * coord.GetCoordValue()); break; case eStyleUnit_Percent: container = GetContainingBlock(aFrame); if (container) { nsMargin border; nsMargin padding; container->GetStyleBorder()->CalcBorderFor(container, border); container->GetStylePadding()->CalcPaddingFor(container, padding); nsSize size = container->GetSize(); if (aSide == NS_SIDE_LEFT || aSide == NS_SIDE_RIGHT) { val->SetTwips(sign * coord.GetPercentValue() * (size.width - border.left - border.right - padding.left - padding.right)); } else { val->SetTwips(sign * coord.GetPercentValue() * (size.height - border.top - border.bottom - padding.top - padding.bottom)); } } else { // XXX no containing block. val->SetTwips(0); } break; default: NS_WARNING("double check the unit"); val->SetTwips(0); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetStaticOffset(PRUint8 aSide, nsIFrame* aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStylePosition* positionData = nsnull; GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)positionData, aFrame); if (positionData) { nsStyleCoord coord; switch (aSide) { case NS_SIDE_TOP: positionData->mOffset.GetTop(coord); break; case NS_SIDE_RIGHT: positionData->mOffset.GetRight(coord); break; case NS_SIDE_BOTTOM: positionData->mOffset.GetBottom(coord); break; case NS_SIDE_LEFT: positionData->mOffset.GetLeft(coord); break; default: NS_WARNING("double check the side"); break; } switch(coord.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(coord.GetCoordValue()); break; case eStyleUnit_Percent: val->SetPercent(coord.GetPercentValue()); break; case eStyleUnit_Auto: val->SetIdent(nsLayoutAtoms::autoAtom); break; default: NS_WARNING("double check the unit"); val->SetTwips(0); break; } } return CallQueryInterface(val, aValue); } void nsComputedDOMStyle::FlushPendingReflows() { // Flush all pending notifications so that our frames are up to date nsIDocument* document = mContent->GetDocument(); if (document) { document->FlushPendingNotifications(); } } nsIFrame* nsComputedDOMStyle::GetContainingBlock(nsIFrame *aFrame) { if (!aFrame) { // Tell caller that they have no containing block, seeing as they // are not being displayed return nsnull; } nsIFrame* container = aFrame; PRBool done = PR_FALSE; do { container = container->GetParent(); if (container) { (container)->IsPercentageBase(done); } } while (!done && container); NS_POSTCONDITION(container, "Frame has no containing block"); return container; } nsresult nsComputedDOMStyle::GetStyleData(nsStyleStructID aID, const nsStyleStruct*& aStyleStruct, nsIFrame* aFrame) { if (aFrame && !mPseudo) { aStyleStruct = aFrame->GetStyleData(aID); } else if (mStyleContextHolder) { aStyleStruct = mStyleContextHolder->GetStyleData(aID); } else { nsCOMPtr presShell = do_QueryReferent(mPresShellWeak); NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE); nsCOMPtr pctx; presShell->GetPresContext(getter_AddRefs(pctx)); if (pctx) { nsStyleContext* sctx; nsStyleSet *styleSet = presShell->StyleSet(); if (!mPseudo) { sctx = styleSet->ResolveStyleFor(mContent, nsnull).get(); } else { sctx = styleSet->ResolvePseudoStyleFor(mContent, mPseudo, nsnull).get(); } if (sctx) { aStyleStruct = sctx->GetStyleData(aID); } mStyleContextHolder = dont_AddRef(sctx); // transfer ref from sctx } } NS_ASSERTION(aStyleStruct, "Failed to get a style struct"); return NS_OK; } nsresult nsComputedDOMStyle::GetPaddingWidthFor(PRUint8 aSide, nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); FlushPendingReflows(); nscoord width = GetPaddingWidthCoordFor(aSide, aFrame); val->SetTwips(width); return CallQueryInterface(val, aValue); } nscoord nsComputedDOMStyle::GetPaddingWidthCoordFor(PRUint8 aSide, nsIFrame* aFrame) { const nsStylePadding* paddingData = nsnull; GetStyleData(eStyleStruct_Padding, (const nsStyleStruct*&)paddingData, aFrame); if (paddingData) { nsMargin padding; paddingData->CalcPaddingFor(aFrame, padding); switch(aSide) { case NS_SIDE_TOP : return padding.top; case NS_SIDE_BOTTOM : return padding.bottom; case NS_SIDE_LEFT : return padding.left; case NS_SIDE_RIGHT : return padding.right; default: NS_WARNING("double check the side"); break; } } return 0; } nscoord nsComputedDOMStyle::GetBorderWidthCoordFor(PRUint8 aSide, nsIFrame *aFrame) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBorder* borderData = nsnull; GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)borderData, aFrame); if (borderData) { nsMargin border; borderData->CalcBorderFor(aFrame, border); switch(aSide) { case NS_SIDE_TOP : return border.top; case NS_SIDE_BOTTOM : return border.bottom; case NS_SIDE_LEFT : return border.left; case NS_SIDE_RIGHT : return border.right; default: NS_WARNING("double check the side"); break; } } return 0; } nsresult nsComputedDOMStyle::GetLineHeightCoord(nsIFrame *aFrame, const nsStyleText *aText, nscoord& aCoord) { nsresult rv = NS_ERROR_FAILURE; if (aText) { const nsStyleFont *font = nsnull; GetStyleData(eStyleStruct_Font, (const nsStyleStruct*&)font, aFrame); switch (aText->mLineHeight.GetUnit()) { case eStyleUnit_Coord: aCoord = aText->mLineHeight.GetCoordValue(); rv = NS_OK; break; case eStyleUnit_Percent: if (font) { aCoord = nscoord(aText->mLineHeight.GetPercentValue() * font->mSize); rv = NS_OK; } break; case eStyleUnit_Factor: if (font) { aCoord = nscoord(aText->mLineHeight.GetFactorValue() * font->mSize); rv = NS_OK; } break; default: break; } } if (NS_FAILED(rv)) aCoord = 0; return rv; } nsresult nsComputedDOMStyle::GetBorderColorsFor(PRUint8 aSide, nsIFrame *aFrame, nsIDOMCSSValue** aValue) { const nsStyleBorder *border = nsnull; GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)border, aFrame); if (border && border->mBorderColors) { nsBorderColors* borderColors = nsnull; switch (aSide) { case NS_SIDE_TOP: borderColors = border->mBorderColors[0]; break; case NS_SIDE_RIGHT: borderColors = border->mBorderColors[1]; break; case NS_SIDE_BOTTOM: borderColors = border->mBorderColors[2]; break; case NS_SIDE_LEFT: borderColors = border->mBorderColors[3]; break; default: NS_WARNING("double check the side"); break; } if (borderColors) { nsDOMCSSValueList *valueList = GetROCSSValueList(PR_FALSE); NS_ENSURE_TRUE(valueList, NS_ERROR_OUT_OF_MEMORY); do { nsROCSSPrimitiveValue *primitive = GetROCSSPrimitiveValue(); if (!primitive) { delete valueList; return NS_ERROR_OUT_OF_MEMORY; } if (borderColors->mTransparent) { primitive->SetIdent(nsLayoutAtoms::transparent); } else { nsDOMCSSRGBColor *rgb = GetDOMCSSRGBColor(borderColors->mColor); if (rgb) { primitive->SetColor(rgb); } else { delete valueList; delete primitive; return NS_ERROR_OUT_OF_MEMORY; } } PRBool success = valueList->AppendCSSValue(primitive); if (!success) { delete valueList; delete primitive; return NS_ERROR_OUT_OF_MEMORY; } borderColors = borderColors->mNext; } while (borderColors); return CallQueryInterface(valueList, aValue); } } nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); val->SetIdent(nsLayoutAtoms::none); return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBorderRadiusFor(PRUint8 aSide, nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBorder *border = nsnull; GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)border, aFrame); if (border) { nsStyleCoord coord; switch (aSide) { case NS_SIDE_TOP: border->mBorderRadius.GetTop(coord); break; case NS_SIDE_BOTTOM: border->mBorderRadius.GetBottom(coord); break; case NS_SIDE_LEFT: border->mBorderRadius.GetLeft(coord); break; case NS_SIDE_RIGHT: border->mBorderRadius.GetRight(coord); break; default: NS_WARNING("double check the side"); break; } switch (coord.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(coord.GetCoordValue()); break; case eStyleUnit_Percent: if (aFrame) { val->SetTwips(coord.GetPercentValue() * aFrame->GetSize().width); } else { val->SetPercent(coord.GetPercentValue()); } break; default: #ifdef DEBUG_ComputedDOMStyle NS_WARNING("double check the border radius"); #endif break; } } else { val->SetTwips(0); } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBorderWidthFor(PRUint8 aSide, nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBorder* border = nsnull; GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)border, aFrame); if (border) { nsStyleCoord coord; PRUint8 borderStyle = border->GetBorderStyle(aSide); if (borderStyle == NS_STYLE_BORDER_STYLE_NONE) { coord.SetCoordValue(0); } else { switch(aSide) { case NS_SIDE_TOP: border->mBorder.GetTop(coord); break; case NS_SIDE_BOTTOM : border->mBorder.GetBottom(coord); break; case NS_SIDE_LEFT : border->mBorder.GetLeft(coord); break; case NS_SIDE_RIGHT : border->mBorder.GetRight(coord); break; default: NS_WARNING("double check the side"); break; } } switch(coord.GetUnit()) { case eStyleUnit_Coord: val->SetTwips(coord.GetCoordValue()); break; case eStyleUnit_Integer: case eStyleUnit_Proportional: case eStyleUnit_Enumerated: case eStyleUnit_Chars: { const nsAFlatCString& width= nsCSSProps::SearchKeywordTable(coord.GetIntValue(), nsCSSProps::kBorderWidthKTable); val->SetIdent(width); break; } default: NS_WARNING("double check the unit"); break; } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetBorderColorFor(PRUint8 aSide, nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBorder* border = nsnull; GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)border, aFrame); if (border) { nscolor color; PRBool transparent; PRBool foreground; border->GetBorderColor(aSide, color, transparent, foreground); if (transparent) { val->SetIdent(nsLayoutAtoms::transparent); } else { if (foreground) { const nsStyleColor* colorStruct = nsnull; GetStyleData(eStyleStruct_Color, (const nsStyleStruct*&)colorStruct, aFrame); color = colorStruct->mColor; } nsDOMCSSRGBColor *rgb = GetDOMCSSRGBColor(color); if (!rgb) { delete val; return NS_ERROR_OUT_OF_MEMORY; } val->SetColor(rgb); } } return CallQueryInterface(val, aValue); } nsresult nsComputedDOMStyle::GetMarginWidthFor(PRUint8 aSide, nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); FlushPendingReflows(); nscoord width = GetMarginWidthCoordFor(aSide, aFrame); val->SetTwips(width); return CallQueryInterface(val, aValue); } nscoord nsComputedDOMStyle::GetMarginWidthCoordFor(PRUint8 aSide, nsIFrame *aFrame) { const nsStyleMargin* marginData = nsnull; GetStyleData(eStyleStruct_Margin, (const nsStyleStruct*&)marginData, aFrame); if (marginData) { nsMargin margin; marginData->CalcMarginFor(aFrame, margin); switch(aSide) { case NS_SIDE_TOP : return margin.top; case NS_SIDE_BOTTOM : return margin.bottom; case NS_SIDE_LEFT : return margin.left; case NS_SIDE_RIGHT : return margin.right; default: NS_WARNING("double check the side"); break; } } return 0; } nsresult nsComputedDOMStyle::GetBorderStyleFor(PRUint8 aSide, nsIFrame *aFrame, nsIDOMCSSValue** aValue) { nsROCSSPrimitiveValue* val = GetROCSSPrimitiveValue(); NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY); const nsStyleBorder* border = nsnull; GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)border, aFrame); PRUint8 borderStyle = NS_STYLE_BORDER_STYLE_NONE; if (border) { borderStyle = border->GetBorderStyle(aSide); } if (borderStyle != NS_STYLE_BORDER_STYLE_NONE) { const nsAFlatCString& style= nsCSSProps::SearchKeywordTable(borderStyle, nsCSSProps::kBorderStyleKTable); val->SetIdent(style); } else { val->SetIdent(nsLayoutAtoms::none); } return CallQueryInterface(val, aValue); } #define COMPUTED_STYLE_MAP_ENTRY(_prop, _method) \ { eCSSProperty_##_prop, &nsComputedDOMStyle::Get##_method } const nsComputedDOMStyle::ComputedStyleMapEntry* nsComputedDOMStyle::GetQueryablePropertyMap(PRUint32* aLength) { /* ******************************************************************* *\ * Properties below are listed in alphabetical order. * * Please keep them that way. * * * * Properties commented out with // are not yet implemented * * Properties commented out with //// are shorthands and not queryable * \* ******************************************************************* */ static #ifndef XP_MACOSX // XXX If this actually fixes the bustage, replace this with an // autoconf test. const #endif ComputedStyleMapEntry map[] = { /* ****************************** *\ * Implementations of CSS2 styles * \* ****************************** */ // COMPUTED_STYLE_MAP_ENTRY(azimuth, Azimuth), //// COMPUTED_STYLE_MAP_ENTRY(background, Background), COMPUTED_STYLE_MAP_ENTRY(background_attachment, BackgroundAttachment), COMPUTED_STYLE_MAP_ENTRY(background_color, BackgroundColor), COMPUTED_STYLE_MAP_ENTRY(background_image, BackgroundImage), //// COMPUTED_STYLE_MAP_ENTRY(background_position, BackgroundPosition), COMPUTED_STYLE_MAP_ENTRY(background_repeat, BackgroundRepeat), //// COMPUTED_STYLE_MAP_ENTRY(border, Border), //// COMPUTED_STYLE_MAP_ENTRY(border_bottom, BorderBottom), COMPUTED_STYLE_MAP_ENTRY(border_bottom_color, BorderBottomColor), COMPUTED_STYLE_MAP_ENTRY(border_bottom_style, BorderBottomStyle), COMPUTED_STYLE_MAP_ENTRY(border_bottom_width, BorderBottomWidth), COMPUTED_STYLE_MAP_ENTRY(border_collapse, BorderCollapse), //// COMPUTED_STYLE_MAP_ENTRY(border_color, BorderColor), //// COMPUTED_STYLE_MAP_ENTRY(border_left, BorderLeft), COMPUTED_STYLE_MAP_ENTRY(border_left_color, BorderLeftColor), COMPUTED_STYLE_MAP_ENTRY(border_left_style, BorderLeftStyle), COMPUTED_STYLE_MAP_ENTRY(border_left_width, BorderLeftWidth), //// COMPUTED_STYLE_MAP_ENTRY(border_right, BorderRight), COMPUTED_STYLE_MAP_ENTRY(border_right_color, BorderRightColor), COMPUTED_STYLE_MAP_ENTRY(border_right_style, BorderRightStyle), COMPUTED_STYLE_MAP_ENTRY(border_right_width, BorderRightWidth), //// COMPUTED_STYLE_MAP_ENTRY(border_spacing, BorderSpacing), //// COMPUTED_STYLE_MAP_ENTRY(border_style, BorderStyle), //// COMPUTED_STYLE_MAP_ENTRY(border_top, BorderTop), COMPUTED_STYLE_MAP_ENTRY(border_top_color, BorderTopColor), COMPUTED_STYLE_MAP_ENTRY(border_top_style, BorderTopStyle), COMPUTED_STYLE_MAP_ENTRY(border_top_width, BorderTopWidth), //// COMPUTED_STYLE_MAP_ENTRY(border_width, BorderWidth), COMPUTED_STYLE_MAP_ENTRY(bottom, Bottom), COMPUTED_STYLE_MAP_ENTRY(caption_side, CaptionSide), COMPUTED_STYLE_MAP_ENTRY(clear, Clear), COMPUTED_STYLE_MAP_ENTRY(clip, Clip), COMPUTED_STYLE_MAP_ENTRY(color, Color), // COMPUTED_STYLE_MAP_ENTRY(content, Content), // COMPUTED_STYLE_MAP_ENTRY(counter_increment, CounterIncrement), // COMPUTED_STYLE_MAP_ENTRY(counter_reset, CounterReset), //// COMPUTED_STYLE_MAP_ENTRY(cue, Cue), // COMPUTED_STYLE_MAP_ENTRY(cue_after, CueAfter), // COMPUTED_STYLE_MAP_ENTRY(cue_before, CueBefore), COMPUTED_STYLE_MAP_ENTRY(cursor, Cursor), COMPUTED_STYLE_MAP_ENTRY(direction, Direction), COMPUTED_STYLE_MAP_ENTRY(display, Display), // COMPUTED_STYLE_MAP_ENTRY(elevation, Elevation), COMPUTED_STYLE_MAP_ENTRY(empty_cells, EmptyCells), COMPUTED_STYLE_MAP_ENTRY(float, CssFloat), //// COMPUTED_STYLE_MAP_ENTRY(font, Font), COMPUTED_STYLE_MAP_ENTRY(font_family, FontFamily), COMPUTED_STYLE_MAP_ENTRY(font_size, FontSize), COMPUTED_STYLE_MAP_ENTRY(font_size_adjust, FontSizeAdjust), // COMPUTED_STYLE_MAP_ENTRY(font_stretch, FontStretch), COMPUTED_STYLE_MAP_ENTRY(font_style, FontStyle), COMPUTED_STYLE_MAP_ENTRY(font_variant, FontVariant), COMPUTED_STYLE_MAP_ENTRY(font_weight, FontWeight), COMPUTED_STYLE_MAP_ENTRY(height, Height), COMPUTED_STYLE_MAP_ENTRY(left, Left), COMPUTED_STYLE_MAP_ENTRY(letter_spacing, LetterSpacing), COMPUTED_STYLE_MAP_ENTRY(line_height, LineHeight), //// COMPUTED_STYLE_MAP_ENTRY(list_style, ListStyle), COMPUTED_STYLE_MAP_ENTRY(list_style_image, ListStyleImage), COMPUTED_STYLE_MAP_ENTRY(list_style_position, ListStylePosition), COMPUTED_STYLE_MAP_ENTRY(list_style_type, ListStyleType), //// COMPUTED_STYLE_MAP_ENTRY(margin, Margin), COMPUTED_STYLE_MAP_ENTRY(margin_bottom, MarginBottomWidth), COMPUTED_STYLE_MAP_ENTRY(margin_left, MarginLeftWidth), COMPUTED_STYLE_MAP_ENTRY(margin_right, MarginRightWidth), COMPUTED_STYLE_MAP_ENTRY(margin_top, MarginTopWidth), COMPUTED_STYLE_MAP_ENTRY(marker_offset, MarkerOffset), // COMPUTED_STYLE_MAP_ENTRY(marks, Marks), COMPUTED_STYLE_MAP_ENTRY(max_height, MaxHeight), COMPUTED_STYLE_MAP_ENTRY(max_width, MaxWidth), COMPUTED_STYLE_MAP_ENTRY(min_height, MinHeight), COMPUTED_STYLE_MAP_ENTRY(min_width, MinWidth), // COMPUTED_STYLE_MAP_ENTRY(orphans, Orphans), //// COMPUTED_STYLE_MAP_ENTRY(outline, Outline), // COMPUTED_STYLE_MAP_ENTRY(outline_color, OutlineColor), // COMPUTED_STYLE_MAP_ENTRY(outline_style, OutlineStyle), // COMPUTED_STYLE_MAP_ENTRY(outline_width, OutlineWidth), COMPUTED_STYLE_MAP_ENTRY(overflow, Overflow), //// COMPUTED_STYLE_MAP_ENTRY(padding, Padding), COMPUTED_STYLE_MAP_ENTRY(padding_bottom, PaddingBottom), COMPUTED_STYLE_MAP_ENTRY(padding_left, PaddingLeft), COMPUTED_STYLE_MAP_ENTRY(padding_right, PaddingRight), COMPUTED_STYLE_MAP_ENTRY(padding_top, PaddingTop), // COMPUTED_STYLE_MAP_ENTRY(page, Page), // COMPUTED_STYLE_MAP_ENTRY(page_break_after, PageBreakAfter), // COMPUTED_STYLE_MAP_ENTRY(page_break_before, PageBreakBefore), // COMPUTED_STYLE_MAP_ENTRY(page_break_inside, PageBreakInside), //// COMPUTED_STYLE_MAP_ENTRY(pause, Pause), // COMPUTED_STYLE_MAP_ENTRY(pause_after, PauseAfter), // COMPUTED_STYLE_MAP_ENTRY(pause_before, PauseBefore), // COMPUTED_STYLE_MAP_ENTRY(pitch, Pitch), // COMPUTED_STYLE_MAP_ENTRY(pitch_range, PitchRange), //// COMPUTED_STYLE_MAP_ENTRY(play_during, PlayDuring), COMPUTED_STYLE_MAP_ENTRY(position, Position), // COMPUTED_STYLE_MAP_ENTRY(quotes, Quotes), // COMPUTED_STYLE_MAP_ENTRY(richness, Richness), COMPUTED_STYLE_MAP_ENTRY(right, Right), //// COMPUTED_STYLE_MAP_ENTRY(size, Size), // COMPUTED_STYLE_MAP_ENTRY(speak, Speak), // COMPUTED_STYLE_MAP_ENTRY(speak_header, SpeakHeader), // COMPUTED_STYLE_MAP_ENTRY(speak_numeral, SpeakNumeral), // COMPUTED_STYLE_MAP_ENTRY(speak_punctuation, SpeakPunctuation), // COMPUTED_STYLE_MAP_ENTRY(speech_rate, SpeechRate), // COMPUTED_STYLE_MAP_ENTRY(stress, Stress), COMPUTED_STYLE_MAP_ENTRY(table_layout, TableLayout), COMPUTED_STYLE_MAP_ENTRY(text_align, TextAlign), COMPUTED_STYLE_MAP_ENTRY(text_decoration, TextDecoration), COMPUTED_STYLE_MAP_ENTRY(text_indent, TextIndent), // COMPUTED_STYLE_MAP_ENTRY(text_shadow, TextShadow), COMPUTED_STYLE_MAP_ENTRY(text_transform, TextTransform), COMPUTED_STYLE_MAP_ENTRY(top, Top), COMPUTED_STYLE_MAP_ENTRY(unicode_bidi, UnicodeBidi), COMPUTED_STYLE_MAP_ENTRY(vertical_align, VerticalAlign), COMPUTED_STYLE_MAP_ENTRY(visibility, Visibility), // COMPUTED_STYLE_MAP_ENTRY(voice_family, VoiceFamily), // COMPUTED_STYLE_MAP_ENTRY(volume, Volume), COMPUTED_STYLE_MAP_ENTRY(white_space, WhiteSpace), // COMPUTED_STYLE_MAP_ENTRY(widows, Widows), COMPUTED_STYLE_MAP_ENTRY(width, Width), COMPUTED_STYLE_MAP_ENTRY(word_spacing, WordSpacing), COMPUTED_STYLE_MAP_ENTRY(z_index, ZIndex), /* ******************************* *\ * Implementations of -moz- styles * \* ******************************* */ COMPUTED_STYLE_MAP_ENTRY(appearance, Appearance), COMPUTED_STYLE_MAP_ENTRY(_moz_background_clip, BackgroundClip), COMPUTED_STYLE_MAP_ENTRY(_moz_background_inline_policy, BackgroundInlinePolicy), COMPUTED_STYLE_MAP_ENTRY(_moz_background_origin, BackgroundOrigin), COMPUTED_STYLE_MAP_ENTRY(binding, Binding), COMPUTED_STYLE_MAP_ENTRY(border_bottom_colors, BorderBottomColors), COMPUTED_STYLE_MAP_ENTRY(border_left_colors, BorderLeftColors), COMPUTED_STYLE_MAP_ENTRY(border_right_colors, BorderRightColors), COMPUTED_STYLE_MAP_ENTRY(border_top_colors, BorderTopColors), COMPUTED_STYLE_MAP_ENTRY(_moz_border_radius_bottomLeft, BorderRadiusBottomLeft), COMPUTED_STYLE_MAP_ENTRY(_moz_border_radius_bottomRight,BorderRadiusBottomRight), COMPUTED_STYLE_MAP_ENTRY(_moz_border_radius_topLeft, BorderRadiusTopLeft), COMPUTED_STYLE_MAP_ENTRY(_moz_border_radius_topRight, BorderRadiusTopRight), COMPUTED_STYLE_MAP_ENTRY(box_align, BoxAlign), COMPUTED_STYLE_MAP_ENTRY(box_direction, BoxDirection), COMPUTED_STYLE_MAP_ENTRY(box_flex, BoxFlex), COMPUTED_STYLE_MAP_ENTRY(box_ordinal_group, BoxOrdinalGroup), COMPUTED_STYLE_MAP_ENTRY(box_orient, BoxOrient), COMPUTED_STYLE_MAP_ENTRY(box_pack, BoxPack), COMPUTED_STYLE_MAP_ENTRY(box_sizing, BoxSizing), COMPUTED_STYLE_MAP_ENTRY(float_edge, FloatEdge), COMPUTED_STYLE_MAP_ENTRY(image_region, ImageRegion), COMPUTED_STYLE_MAP_ENTRY(opacity, Opacity), //// COMPUTED_STYLE_MAP_ENTRY(_moz_outline, MozOutline), COMPUTED_STYLE_MAP_ENTRY(_moz_outline_color, OutlineColor), COMPUTED_STYLE_MAP_ENTRY(_moz_outline_style, OutlineStyle), COMPUTED_STYLE_MAP_ENTRY(_moz_outline_width, OutlineWidth), COMPUTED_STYLE_MAP_ENTRY(user_focus, UserFocus), COMPUTED_STYLE_MAP_ENTRY(user_input, UserInput), COMPUTED_STYLE_MAP_ENTRY(user_modify, UserModify), COMPUTED_STYLE_MAP_ENTRY(user_select, UserSelect) }; *aLength = NS_ARRAY_LENGTH(map); return map; }