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pjs/layout/style/nsComputedDOMStyle.cpp

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/* -*- 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 <glazman@netscape.com>
*
*
* 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 "nsIComputedDOMStyle.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#include "nsIContent.h"
#include "nsIFrame.h"
#include "nsIScrollableFrame.h"
#include "nsLayoutAtoms.h"
#include "nsIDOMElement.h"
#include "nsIStyleContext.h"
#include "nsROCSSPrimitiveValue.h"
#include "nsDOMCSSRect.h"
#include "nsCSSProps.h"
#include "nsCSSKeywords.h"
#include "nsCOMPtr.h"
#include "nsDOMError.h"
#include "nsWeakReference.h"
#include "nsIDocument.h"
#include "prprf.h"
#include "nsReadableUtils.h"
#include "nsContentUtils.h"
/*
* This is the implementation of the readonly CSSStyleDeclaration that is
* returned by the getComputedStyle() function.
*
* This file is very much work in progress, there's a lot of code in this
* file that is #ifdef'd out placeholders.
*/
class nsComputedDOMStyle : public nsIComputedDOMStyle
{
public:
NS_DECL_ISUPPORTS
// nsIComputedDOMStyle
NS_IMETHOD Init(nsIDOMElement *aElement, const nsAReadableString& aPseudoElt,
nsIPresShell *aPresShell);
// nsIDOMCSSStyleDeclaration
NS_DECL_NSIDOMCSSSTYLEDECLARATION
// nsComputedDOMStyle
nsComputedDOMStyle();
virtual ~nsComputedDOMStyle();
private:
//Helpers
nsresult GetOffsetWidthFor(PRUint8 aSide, nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetAbsoluteOffset(PRUint8 aSide, nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetRelativeOffset(PRUint8 aSide, nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetStaticOffset(PRUint8 aSide, nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsIFrame* GetContainingBlock(nsIFrame *aFrame);
nsresult GetStyleData(nsStyleStructID aID,
const nsStyleStruct*& aStyleStruct,
nsIFrame* aFrame=0);
nsresult GetPaddingWidthFor(PRUint8 aSide, nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nscoord GetPaddingWidthCoordFor(PRUint8 aSide, nsIFrame *aFrame);
nsresult GetBorderStyleFor(PRUint8 aSide, nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderWidthFor(PRUint8 aSide, nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nscoord GetBorderWidthCoordFor(PRUint8 aSide, nsIFrame *aFrame);
nsresult GetBorderColorFor(PRUint8 aSide, nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetMarginWidthFor(PRUint8 aSide, nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nscoord GetMarginWidthCoordFor(PRUint8 aSide, nsIFrame *aFrame);
// Properties
nsresult GetWidth(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetHeight(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetLeft(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetTop(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetRight(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBottom(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
//Font properties
nsresult GetColor(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetFontFamily(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetFontStyle(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetFontSize(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetFontWeight(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetFontVariant(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
// Background properties
nsresult GetBackgroundColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBackgroundImage(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
// Padding properties
nsresult GetPadding(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetPaddingTop(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetPaddingBottom(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetPaddingLeft(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetPaddingRight(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
// BorderProperties
nsresult GetBorderStyle(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderWidth(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderCollapse(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderSpacing(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderTopStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderBottomStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderLeftStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderRightStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderTopWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderBottomWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderLeftWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderRightWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderTopColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderBottomColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderLeftColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBorderRightColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
// Margin Properties
nsresult GetMarginWidth(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetMarginTopWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetMarginBottomWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetMarginLeftWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetMarginRightWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
// Outline Properties
nsresult GetOutline(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetOutlineWidth(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetOutlineStyle(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetOutlineColor(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
//Marker Properties
nsresult GetMarkerOffset(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
// z-index
nsresult GetZIndex(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
// List properties
nsresult GetListStyleImage(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue);
// Text Properties
nsresult GetTextAlign(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetTextDecoration(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
// Visibility properties
nsresult GetVisibility(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
// Display properties
nsresult GetBehavior(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetCssFloat(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetDisplay(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetPosition(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetClip(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsROCSSPrimitiveValue* GetROCSSPrimitiveValue();
nsWeakPtr mPresShellWeak; // XXX could this be high cost?
nsCOMPtr<nsIContent> mContent;
// When a frame is unavailable strong reference to the
// style context while we're accessing the data from in.
nsCOMPtr<nsIStyleContext> mStyleContextHolder;
nsCOMPtr<nsIAtom> mPseudo;
float mT2P; // For unit conversions
};
static const nsCSSProperty queryableProperties[] = {
eCSSProperty_width,
eCSSProperty_height,
eCSSProperty_left,
eCSSProperty_top,
eCSSProperty_right,
eCSSProperty_bottom,
eCSSProperty_clip,
eCSSProperty_color,
eCSSProperty_font_family,
eCSSProperty_font_style,
eCSSProperty_font_size,
eCSSProperty_font_weight,
eCSSProperty_font_variant,
eCSSProperty_background_color,
eCSSProperty_background_image,
eCSSProperty_display,
eCSSProperty_position,
eCSSProperty_binding,
eCSSProperty_float,
// shorthand properties are not really queryable. There is no
// decent way to generate them based on computed style
// eCSSProperty_padding,
eCSSProperty_padding_top,
eCSSProperty_padding_bottom,
eCSSProperty_padding_left,
eCSSProperty_padding_right,
// shorthand properties are not really queryable. There is no
// decent way to generate them based on computed style
// eCSSProperty_border_style,
// eCSSProperty_border_width,
eCSSProperty_border_collapse,
eCSSProperty_border_spacing,
eCSSProperty_border_top_style,
eCSSProperty_border_right_style,
eCSSProperty_border_bottom_style,
eCSSProperty_border_left_style,
eCSSProperty_border_top_width,
eCSSProperty_border_right_width,
eCSSProperty_border_bottom_width,
eCSSProperty_border_left_width,
eCSSProperty_border_top_color,
eCSSProperty_border_right_color,
eCSSProperty_border_bottom_color,
eCSSProperty_border_left_color,
// shorthand properties are not really queryable. There is no
// decent way to generate them based on computed style
// eCSSProperty_margin,
eCSSProperty_margin_top,
eCSSProperty_margin_bottom,
eCSSProperty_margin_left,
eCSSProperty_margin_right,
// shorthand properties are not really queryable. There is no
// decent way to generate them based on computed style
// eCSSProperty_outline,
eCSSProperty_outline_width,
eCSSProperty_outline_style,
eCSSProperty_outline_color,
eCSSProperty_marker_offset,
eCSSProperty_z_index,
eCSSProperty_list_style_image,
eCSSProperty_text_align,
eCSSProperty_text_decoration,
};
nsresult
NS_NewComputedDOMStyle(nsIComputedDOMStyle** aComputedStyle)
{
NS_ENSURE_ARG_POINTER(aComputedStyle);
*aComputedStyle = new nsComputedDOMStyle();
NS_ENSURE_TRUE(*aComputedStyle, NS_ERROR_OUT_OF_MEMORY);
NS_ADDREF(*aComputedStyle);
return NS_OK;
}
nsComputedDOMStyle::nsComputedDOMStyle() : mPresShellWeak(nsnull),
mT2P(0.0f)
{
NS_INIT_REFCNT();
}
nsComputedDOMStyle::~nsComputedDOMStyle()
{
}
// QueryInterface implementation for nsComputedDOMStyle
NS_INTERFACE_MAP_BEGIN(nsComputedDOMStyle)
NS_INTERFACE_MAP_ENTRY(nsIComputedDOMStyle)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSStyleDeclaration)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIComputedDOMStyle)
NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(ComputedCSSStyleDeclaration)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(nsComputedDOMStyle);
NS_IMPL_RELEASE(nsComputedDOMStyle);
NS_IMETHODIMP
nsComputedDOMStyle::Init(nsIDOMElement *aElement,
const nsAReadableString& aPseudoElt,
nsIPresShell *aPresShell)
{
NS_ENSURE_ARG_POINTER(aElement);
NS_ENSURE_ARG_POINTER(aPresShell);
mPresShellWeak = getter_AddRefs(NS_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()) {
mPseudo = dont_AddRef(NS_NewAtom(aPseudoElt));
NS_ENSURE_TRUE(mPseudo, NS_ERROR_OUT_OF_MEMORY);
}
nsCOMPtr<nsIPresContext> presCtx;
aPresShell->GetPresContext(getter_AddRefs(presCtx));
NS_ENSURE_TRUE(presCtx, NS_ERROR_FAILURE);
presCtx->GetTwipsToPixels(&mT2P);
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCssText(nsAWritableString& aCssText)
{
aCssText.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::SetCssText(const nsAReadableString& aCssText)
{
return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetLength(PRUint32* aLength)
{
NS_ENSURE_ARG_POINTER(aLength);
*aLength = sizeof(queryableProperties) / sizeof(nsCSSProperty);
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetParentRule(nsIDOMCSSRule** aParentRule)
{
NS_ENSURE_ARG_POINTER(aParentRule);
*aParentRule = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPropertyValue(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn)
{
nsCOMPtr<nsIDOMCSSValue> 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 nsAReadableString& aPropertyName,
nsIDOMCSSValue** aReturn)
{
NS_ENSURE_ARG_POINTER(aReturn);
*aReturn = nsnull;
nsCOMPtr<nsIPresShell> presShell=do_QueryReferent(mPresShellWeak);
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
nsIFrame *frame = nsnull;
presShell->GetPrimaryFrameFor(mContent, &frame);
nsCOMPtr<nsIDOMCSSPrimitiveValue> val;
nsresult rv = NS_OK;
// XXX FIX THIS!!!
nsCSSProperty prop = nsCSSProps::LookupProperty(aPropertyName);
switch (prop) {
case eCSSProperty_binding :
rv = GetBehavior(frame, *getter_AddRefs(val)); break;
case eCSSProperty_display :
rv = GetDisplay(frame, *getter_AddRefs(val)); break;
case eCSSProperty_position :
rv = GetPosition(frame, *getter_AddRefs(val)); break;
case eCSSProperty_float :
rv = GetCssFloat(frame, *getter_AddRefs(val)); break;
case eCSSProperty_width :
rv = GetWidth(frame, *getter_AddRefs(val)); break;
case eCSSProperty_height :
rv = GetHeight(frame, *getter_AddRefs(val)); break;
case eCSSProperty_left :
rv = GetLeft(frame, *getter_AddRefs(val)); break;
case eCSSProperty_top :
rv = GetTop(frame, *getter_AddRefs(val)); break;
case eCSSProperty_right :
rv = GetRight(frame, *getter_AddRefs(val)); break;
case eCSSProperty_bottom :
rv = GetBottom(frame, *getter_AddRefs(val)); break;
// Font properties
case eCSSProperty_color :
rv = GetColor(frame, *getter_AddRefs(val)); break;
case eCSSProperty_font_family :
rv = GetFontFamily(frame, *getter_AddRefs(val)); break;
case eCSSProperty_font_size :
rv = GetFontSize(frame, *getter_AddRefs(val)); break;
case eCSSProperty_font_style :
rv = GetFontStyle(frame, *getter_AddRefs(val)); break;
case eCSSProperty_font_weight :
rv = GetFontWeight(frame, *getter_AddRefs(val)); break;
case eCSSProperty_font_variant :
rv = GetFontVariant(frame, *getter_AddRefs(val)); break;
// Background properties
case eCSSProperty_background_color :
rv = GetBackgroundColor(frame, *getter_AddRefs(val)); break;
case eCSSProperty_background_image :
rv = GetBackgroundImage(frame, *getter_AddRefs(val)); break;
// Padding properties
case eCSSProperty_padding :
rv = GetPadding(frame, *getter_AddRefs(val)); break;
case eCSSProperty_padding_top :
rv = GetPaddingTop(frame, *getter_AddRefs(val)); break;
case eCSSProperty_padding_bottom :
rv = GetPaddingBottom(frame, *getter_AddRefs(val)); break;
case eCSSProperty_padding_left :
rv = GetPaddingLeft(frame, *getter_AddRefs(val)); break;
case eCSSProperty_padding_right :
rv = GetPaddingRight(frame, *getter_AddRefs(val)); break;
// Border properties
case eCSSProperty_border_collapse :
rv = GetBorderCollapse(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_top_style :
rv = GetBorderTopStyle(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_bottom_style :
rv = GetBorderBottomStyle(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_left_style :
rv = GetBorderLeftStyle(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_right_style :
rv = GetBorderRightStyle(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_top_width :
rv = GetBorderTopWidth(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_bottom_width :
rv = GetBorderBottomWidth(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_left_width :
rv = GetBorderLeftWidth(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_right_width :
rv = GetBorderRightWidth(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_top_color :
rv = GetBorderTopColor(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_bottom_color :
rv = GetBorderBottomColor(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_left_color :
rv = GetBorderLeftColor(frame, *getter_AddRefs(val)); break;
case eCSSProperty_border_right_color :
rv = GetBorderRightColor(frame, *getter_AddRefs(val)); break;
// Margin properties
case eCSSProperty_margin_top :
rv = GetMarginTopWidth(frame, *getter_AddRefs(val)); break;
case eCSSProperty_margin_bottom :
rv = GetMarginBottomWidth(frame, *getter_AddRefs(val)); break;
case eCSSProperty_margin_left :
rv = GetMarginLeftWidth(frame, *getter_AddRefs(val)); break;
case eCSSProperty_margin_right :
rv = GetMarginRightWidth(frame, *getter_AddRefs(val)); break;
// Marker property
case eCSSProperty_marker_offset :
rv = GetMarkerOffset(frame, *getter_AddRefs(val)); break;
// Outline properties
case eCSSProperty_outline_width :
rv = GetOutlineWidth(frame, *getter_AddRefs(val)); break;
case eCSSProperty_outline_style :
rv = GetOutlineStyle(frame, *getter_AddRefs(val)); break;
case eCSSProperty_outline_color:
rv = GetOutlineColor(frame, *getter_AddRefs(val)); break;
// Text properties
case eCSSProperty_text_align:
rv = GetTextAlign(frame, *getter_AddRefs(val)); break;
case eCSSProperty_text_decoration:
rv = GetTextDecoration(frame, *getter_AddRefs(val)); break;
// List properties
case eCSSProperty_list_style_image:
rv = GetListStyleImage(frame, *getter_AddRefs(val)); break;
// Display properties
case eCSSProperty_visibility:
rv = GetVisibility(frame, *getter_AddRefs(val)); break;
// Z-Index property
case eCSSProperty_z_index:
rv = GetZIndex(frame, *getter_AddRefs(val)); break;
// Clip
case eCSSProperty_clip:
rv = GetClip(frame, *getter_AddRefs(val)); break;
default :
break;
}
if (val) {
rv = val->QueryInterface(NS_GET_IID(nsIDOMCSSValue), (void **)aReturn);
}
// 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 nsAReadableString& aPropertyName,
nsAWritableString& aReturn)
{
return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPropertyPriority(const nsAReadableString& aPropertyName,
nsAWritableString& aReturn)
{
aReturn.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::SetProperty(const nsAReadableString& aPropertyName,
const nsAReadableString& aValue,
const nsAReadableString& aPriority)
{
return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::Item(PRUint32 aIndex, nsAWritableString& aReturn)
{
PRUint32 length;
GetLength(&length);
aReturn.Truncate();
if (aIndex >= 0 && aIndex < length) {
CopyASCIItoUCS2(nsCSSProps::GetStringValue(queryableProperties[aIndex]), aReturn);
}
return NS_OK;
}
// Property getters...
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetAzimuth(nsAWritableString& aAzimuth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackground(nsAWritableString& aBackground)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundAttachment(nsAWritableString& aBackgroundAttachment)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundColor(nsAWritableString& aBackgroundColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundImage(nsAWritableString& aBackgroundImage)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundPosition(nsAWritableString& aBackgroundPosition)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundRepeat(nsAWritableString& aBackgroundRepeat)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetBehavior(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(display->mBinding);
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetCssFloat(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(cssFloat);
}
else {
val->SetString(NS_LITERAL_STRING("none"));
}
return CallQueryInterface(val, &aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetBorder(nsAWritableString& aBorder)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderCollapse(nsAWritableString& aBorderCollapse)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderColor(nsAWritableString& aBorderColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderSpacing(nsAWritableString& aBorderSpacing)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderStyle(nsAWritableString& aBorderStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderTop(nsAWritableString& aBorderTop)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderRight(nsAWritableString& aBorderRight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderBottom(nsAWritableString& aBorderBottom)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderLeft(nsAWritableString& aBorderLeft)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderTopColor(nsAWritableString& aBorderTopColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderRightColor(nsAWritableString& aBorderRightColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderBottomColor(nsAWritableString& aBorderBottomColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderLeftColor(nsAWritableString& aBorderLeftColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderTopStyle(nsAWritableString& aBorderTopStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderRightStyle(nsAWritableString& aBorderRightStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderBottomStyle(nsAWritableString& aBorderBottomStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderLeftStyle(nsAWritableString& aBorderLeftStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderTopWidth(nsAWritableString& aBorderTopWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderRightWidth(nsAWritableString& aBorderRightWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderBottomWidth(nsAWritableString& aBorderBottomWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderLeftWidth(nsAWritableString& aBorderLeftWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderWidth(nsAWritableString& aBorderWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetBottom(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetOffsetWidthFor(NS_SIDE_BOTTOM, aFrame, aValue);
}
static void ColorToHex(nscolor aColor, nsAWritableString& aHexString)
{
char buf[32];
PRUint32 len = PR_snprintf(buf, 32, "#%02x%02x%02x",
NS_GET_R(aColor),
NS_GET_G(aColor),
NS_GET_B(aColor));
CopyASCIItoUCS2(nsDependentCString(buf, len), aHexString);
}
nsresult
nsComputedDOMStyle::GetColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsROCSSPrimitiveValue* val=GetROCSSPrimitiveValue();
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
const nsStyleColor* color=nsnull;
GetStyleData(eStyleStruct_Color, (const nsStyleStruct*&)color, aFrame);
if(color) {
nsAutoString hex;
ColorToHex(color->mColor, hex);
val->SetString(hex);
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetFontFamily(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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<nsIPresShell> presShell=do_QueryReferent(mPresShellWeak);
NS_ASSERTION(presShell, "pres shell is required");
nsCOMPtr<nsIPresContext> 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, &defaultFont);
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);
}
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetFontSize(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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 val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetFontStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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) {
if (font->mFont.style == NS_STYLE_FONT_STYLE_NORMAL) {
val->SetString(NS_LITERAL_STRING("normal"));
} else {
const nsAFlatCString& style=
nsCSSProps::SearchKeywordTable(font->mFont.style,
nsCSSProps::kFontStyleKTable);
val->SetString(style);
}
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetFontWeight(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(str_weight);
}
else {
nsAutoString num_weight;
num_weight.AppendInt(font->mFont.weight, 10);
val->SetString(num_weight);
}
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetFontVariant(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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) {
if (font->mFont.variant == NS_STYLE_FONT_VARIANT_NORMAL) {
val->SetString(NS_LITERAL_STRING("normal"));
} else {
const nsAFlatCString& variant=
nsCSSProps::SearchKeywordTable(font->mFont.variant,
nsCSSProps::kFontVariantKTable);
val->SetString(variant);
}
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetBackgroundColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(backgroundColor);
}
else {
nsAutoString hex;
ColorToHex(color->mBackgroundColor, hex);
val->SetString(hex);
}
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetBackgroundImage(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(NS_LITERAL_STRING("none"));
} else {
val->SetString(color->mBackgroundImage);
}
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetPadding(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
aValue=nsnull; // return null per spec.
return NS_OK;
}
nsresult
nsComputedDOMStyle::GetPaddingTop(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetPaddingWidthFor(NS_SIDE_TOP, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetPaddingBottom(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetPaddingWidthFor(NS_SIDE_BOTTOM, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetPaddingLeft(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetPaddingWidthFor(NS_SIDE_LEFT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetPaddingRight(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetPaddingWidthFor(NS_SIDE_RIGHT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderCollapse(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(ident);
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetBorderSpacing(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
nsresult
nsComputedDOMStyle::GetBorderStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
aValue=nsnull; // return null per spec.
return NS_OK;
}
nsresult
nsComputedDOMStyle::GetBorderTopStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderStyleFor(NS_SIDE_TOP, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderBottomStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderStyleFor(NS_SIDE_BOTTOM, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderLeftStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderStyleFor(NS_SIDE_LEFT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderRightStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderStyleFor(NS_SIDE_RIGHT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
aValue=nsnull; // return null per spec.
return NS_OK;
}
nsresult
nsComputedDOMStyle::GetBorderTopWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderWidthFor(NS_SIDE_TOP, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderBottomWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderWidthFor(NS_SIDE_BOTTOM, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderLeftWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderWidthFor(NS_SIDE_LEFT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderRightWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderWidthFor(NS_SIDE_RIGHT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderTopColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderColorFor(NS_SIDE_TOP, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderBottomColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderColorFor(NS_SIDE_BOTTOM, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderLeftColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderColorFor(NS_SIDE_LEFT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetBorderRightColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetBorderColorFor(NS_SIDE_RIGHT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetMarginWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
aValue=nsnull; // return null per spec.
return NS_OK;
}
nsresult
nsComputedDOMStyle::GetMarginTopWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetMarginWidthFor(NS_SIDE_TOP, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetMarginBottomWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetMarginWidthFor(NS_SIDE_BOTTOM, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetMarginLeftWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetMarginWidthFor(NS_SIDE_LEFT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetMarginRightWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetMarginWidthFor(NS_SIDE_RIGHT, aFrame, aValue);
}
nsresult
nsComputedDOMStyle::GetMarkerOffset(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(NS_LITERAL_STRING("auto"));
break;
case eStyleUnit_Null:
val->SetString(NS_LITERAL_STRING("none"));
break;
default:
NS_WARNING("Double check the unit");
val->SetTwips(0);
break;
}
} else {
val->SetTwips(0);
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetOutline(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
aValue=nsnull; // return null per spec.
return NS_OK;
}
nsresult
nsComputedDOMStyle::GetOutlineWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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::LookupPropertyValue(eCSSProperty_outline_width,
outline->mOutlineWidth.GetIntValue());
val->SetString(width);
break;
}
default:
NS_WARNING("Double check the unit");
val->SetTwips(0);
break;
}
} else {
val->SetTwips(0);
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetOutlineStyle(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(NS_LITERAL_STRING("none"));
} else {
const nsAFlatCString& style=
nsCSSProps::SearchKeywordTable(outline->GetOutlineStyle(),
nsCSSProps::kBorderStyleKTable);
val->SetString(style);
}
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetOutlineColor(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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);
nsAutoString hex;
ColorToHex(color, hex);
val->SetString(hex);
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetZIndex(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsROCSSPrimitiveValue* val=GetROCSSPrimitiveValue();
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
const nsStylePosition* position = nsnull;
nsAutoString zindex;
GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)position, aFrame);
if (position) {
switch (position->mZIndex.GetUnit()) {
case eStyleUnit_Integer:
zindex.AppendInt(position->mZIndex.GetIntValue(), 10);
val->SetString(zindex);
break;
case eStyleUnit_Auto:
val->SetString(NS_LITERAL_STRING("auto"));
break;
case eStyleUnit_Inherit:
val->SetString(NS_LITERAL_STRING("inherit"));
break;
default:
NS_WARNING("Double Check the Unit!");
val->SetString(NS_LITERAL_STRING("auto"));
break;
}
} else {
val->SetString(NS_LITERAL_STRING("auto"));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetListStyleImage(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsROCSSPrimitiveValue* val=GetROCSSPrimitiveValue();
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
const nsStyleList* list;
GetStyleData(eStyleStruct_List, (const nsStyleStruct*&)list, aFrame);
if(list) {
if (list->mListStyleImage.IsEmpty()) {
val->SetString(NS_LITERAL_STRING("none"));
} else {
val->SetString(list->mListStyleImage);
}
}
else {
val->SetString(NS_LITERAL_STRING("none"));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void**)&aValue);
}
nsresult
nsComputedDOMStyle::GetTextAlign(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(align);
}
else {
val->SetString(NS_LITERAL_STRING("start"));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetTextDecoration(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(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);
}
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetVisibility(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(value);
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetCaptionSide(nsAWritableString& aCaptionSide)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetClear(nsAWritableString& aClear)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetClip(nsAWritableString& aClip)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetColor(nsAWritableString& aColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetContent(nsAWritableString& aContent)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCounterIncrement(nsAWritableString& aCounterIncrement)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCounterReset(nsAWritableString& aCounterReset)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCssFloat(nsAWritableString& aFloat)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCue(nsAWritableString& aCue)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCueAfter(nsAWritableString& aCueAfter)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCueBefore(nsAWritableString& aCueBefore)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCursor(nsAWritableString& aCursor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetDirection(nsAWritableString& aDirection)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetDisplay(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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) {
switch (display->mDisplay) {
case NS_STYLE_DISPLAY_NONE :
val->SetString(NS_LITERAL_STRING("none")); break;
case NS_STYLE_DISPLAY_BLOCK :
val->SetString(NS_LITERAL_STRING("block")); break;
case NS_STYLE_DISPLAY_INLINE :
val->SetString(NS_LITERAL_STRING("inline")); break;
case NS_STYLE_DISPLAY_INLINE_BLOCK :
val->SetString(NS_LITERAL_STRING("inline-block")); break;
case NS_STYLE_DISPLAY_LIST_ITEM :
val->SetString(NS_LITERAL_STRING("list-item")); break;
case NS_STYLE_DISPLAY_MARKER :
val->SetString(NS_LITERAL_STRING("marker")); break;
case NS_STYLE_DISPLAY_RUN_IN :
val->SetString(NS_LITERAL_STRING("run-in")); break;
case NS_STYLE_DISPLAY_COMPACT :
val->SetString(NS_LITERAL_STRING("compact")); break;
case NS_STYLE_DISPLAY_TABLE :
val->SetString(NS_LITERAL_STRING("table")); break;
case NS_STYLE_DISPLAY_INLINE_TABLE :
val->SetString(NS_LITERAL_STRING("inline-table")); break;
case NS_STYLE_DISPLAY_TABLE_ROW_GROUP :
val->SetString(NS_LITERAL_STRING("table-row-group")); break;
case NS_STYLE_DISPLAY_TABLE_COLUMN :
val->SetString(NS_LITERAL_STRING("table-column")); break;
case NS_STYLE_DISPLAY_TABLE_COLUMN_GROUP :
val->SetString(NS_LITERAL_STRING("table-column-group")); break;
case NS_STYLE_DISPLAY_TABLE_HEADER_GROUP :
val->SetString(NS_LITERAL_STRING("table-header-group")); break;
case NS_STYLE_DISPLAY_TABLE_FOOTER_GROUP :
val->SetString(NS_LITERAL_STRING("table-footer-group")); break;
case NS_STYLE_DISPLAY_TABLE_ROW :
val->SetString(NS_LITERAL_STRING("table-row")); break;
case NS_STYLE_DISPLAY_TABLE_CELL :
val->SetString(NS_LITERAL_STRING("table-cell")); break;
case NS_STYLE_DISPLAY_TABLE_CAPTION :
val->SetString(NS_LITERAL_STRING("table-caption")); break;
case NS_STYLE_DISPLAY_MENU :
val->SetString(NS_LITERAL_STRING("menu")); break;
default :
val->SetString(NS_LITERAL_STRING("")); break;
break;
}
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetPosition(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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) {
switch (display->mPosition) {
case NS_STYLE_POSITION_NORMAL:
val->SetString(NS_LITERAL_STRING("static"));
break;
case NS_STYLE_POSITION_RELATIVE:
val->SetString(NS_LITERAL_STRING("relative"));
break;
case NS_STYLE_POSITION_ABSOLUTE:
val->SetString(NS_LITERAL_STRING("absolute"));
break;
case NS_STYLE_POSITION_FIXED:
val->SetString(NS_LITERAL_STRING("fixed"));
break;
default:
NS_WARNING("Double check the position!");
break;
}
}
return CallQueryInterface(val, &aValue);
}
nsresult
nsComputedDOMStyle::GetClip(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(NS_LITERAL_STRING("auto"));
}
else if (display->mClipFlags == NS_STYLE_CLIP_INHERIT) {
val->SetString(NS_LITERAL_STRING("inherit"));
} 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->SetString(NS_LITERAL_STRING("auto"));
} else {
topVal->SetTwips(display->mClip.y);
}
if (display->mClipFlags & NS_STYLE_CLIP_RIGHT_AUTO) {
rightVal->SetString(NS_LITERAL_STRING("auto"));
} else {
rightVal->SetTwips(display->mClip.width + display->mClip.x);
}
if (display->mClipFlags & NS_STYLE_CLIP_BOTTOM_AUTO) {
bottomVal->SetString(NS_LITERAL_STRING("auto"));
} else {
bottomVal->SetTwips(display->mClip.height + display->mClip.y);
}
if (display->mClipFlags & NS_STYLE_CLIP_LEFT_AUTO) {
leftVal->SetString(NS_LITERAL_STRING("auto"));
} 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);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetElevation(nsAWritableString& aElevation)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetEmptyCells(nsAWritableString& aEmptyCells)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFont(nsAWritableString& aFont)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontFamily(nsAWritableString& aFontFamily)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontSize(nsAWritableString& aFontSize)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontSizeAdjust(nsAWritableString& aFontSizeAdjust)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontStretch(nsAWritableString& aFontStretch)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontStyle(nsAWritableString& aFontStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontVariant(nsAWritableString& aFontVariant)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontWeight(nsAWritableString& aFontWeight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetHeight(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue();
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
PRBool calcHeight = PR_FALSE;
if (aFrame) {
calcHeight = PR_TRUE;
// Flush all pending notifications so that our frames are up to date
nsCOMPtr<nsIDocument> document;
mContent->GetDocument(*getter_AddRefs(document));
if (document) {
document->FlushPendingNotifications();
}
const nsStyleDisplay* displayData = nsnull;
GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)displayData, aFrame);
if (displayData && displayData->mDisplay == NS_STYLE_DISPLAY_INLINE) {
nsFrameState frameState;
aFrame->GetFrameState(&frameState);
if (! (frameState & NS_FRAME_REPLACED_ELEMENT)) {
calcHeight = PR_FALSE;
}
}
}
if (calcHeight) {
nsRect rect;
nsMargin padding;
nsMargin border;
aFrame->GetRect(rect);
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(rect.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->SetString(NS_LITERAL_STRING("auto"));
break;
case eStyleUnit_Inherit:
val->SetString(NS_LITERAL_STRING("inherit"));
break;
default:
NS_WARNING("Double check the unit");
val->SetTwips(0);
break;
}
} else {
val->SetTwips(0);
}
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetLeft(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetOffsetWidthFor(NS_SIDE_LEFT, aFrame, aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetLetterSpacing(nsAWritableString& aLetterSpacing)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetLineHeight(nsAWritableString& aLineHeight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetListStyle(nsAWritableString& aListStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetListStyleImage(nsAWritableString& aListStyleImage)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetListStylePosition(nsAWritableString& aListStylePosition)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetListStyleType(nsAWritableString& aListStyleType)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMargin(nsAWritableString& aMargin)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMarginTop(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMarginRight(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMarginBottom(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMarginLeft(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMarkerOffset(nsAWritableString& aMarkerOffset)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMarks(nsAWritableString& aMarks)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMaxHeight(nsAWritableString& aMaxHeight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMaxWidth(nsAWritableString& aMaxWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMinHeight(nsAWritableString& aMinHeight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMinWidth(nsAWritableString& aMinWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOrphans(nsAWritableString& aOrphans)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOutline(nsAWritableString& aOutline)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOutlineColor(nsAWritableString& aOutlineColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOutlineStyle(nsAWritableString& aOutlineStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOutlineWidth(nsAWritableString& aOutlineWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOverflow(nsAWritableString& aOverflow)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPadding(nsAWritableString& aPadding)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPaddingTop(nsAWritableString& aPaddingTop)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPaddingRight(nsAWritableString& aPaddingRight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPaddingBottom(nsAWritableString& aPaddingBottom)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPaddingLeft(nsAWritableString& aPaddingLeft)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPage(nsAWritableString& aPage)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPageBreakAfter(nsAWritableString& aPageBreakAfter)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPageBreakBefore(nsAWritableString& aPageBreakBefore)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPageBreakInside(nsAWritableString& aPageBreakInside)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPause(nsAWritableString& aPause)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPauseAfter(nsAWritableString& aPauseAfter)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPauseBefore(nsAWritableString& aPauseBefore)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPitch(nsAWritableString& aPitch)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPitchRange(nsAWritableString& aPitchRange)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPlayDuring(nsAWritableString& aPlayDuring)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPosition(nsAWritableString& aPosition)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetQuotes(nsAWritableString& aQuotes)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetRichness(nsAWritableString& aRichness)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetRight(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetOffsetWidthFor(NS_SIDE_RIGHT, aFrame, aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetSize(nsAWritableString& aSize)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeak(nsAWritableString& aSpeak)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeakHeader(nsAWritableString& aSpeakHeader)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeakNumeral(nsAWritableString& aSpeakNumeral)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeakPunctuation(nsAWritableString& aSpeakPunctuation)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeechRate(nsAWritableString& aSpeechRate)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetStress(nsAWritableString& aStress)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTableLayout(nsAWritableString& aTableLayout)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextAlign(nsAWritableString& aTextAlign)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextDecoration(nsAWritableString& aTextDecoration)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextIndent(nsAWritableString& aTextIndent)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextShadow(nsAWritableString& aTextShadow)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextTransform(nsAWritableString& aTextTransform)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetTop(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
return GetOffsetWidthFor(NS_SIDE_TOP, aFrame, aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetUnicodeBidi(nsAWritableString& aUnicodeBidi)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetVerticalAlign(nsAWritableString& aVerticalAlign)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetVisibility(nsAWritableString& aVisibility)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetVoiceFamily(nsAWritableString& aVoiceFamily)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetVolume(nsAWritableString& aVolume)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetWhiteSpace(nsAWritableString& aWhiteSpace)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetWidows(nsAWritableString& aWidows)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsROCSSPrimitiveValue*
nsComputedDOMStyle::GetROCSSPrimitiveValue()
{
nsISupports *tmp = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
nsROCSSPrimitiveValue *primitiveValue = new nsROCSSPrimitiveValue(tmp, mT2P);
NS_ASSERTION(primitiveValue!=0, "ran out of memory");
return primitiveValue;
}
nsresult
nsComputedDOMStyle::GetOffsetWidthFor(PRUint8 aSide, nsIFrame* aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
const nsStyleDisplay* display = nsnull;
GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display, aFrame);
// Flush all pending notifications so that our frames are up to date
nsCOMPtr<nsIDocument> document;
mContent->GetDocument(*getter_AddRefs(document));
if (document) {
document->FlushPendingNotifications();
}
nsresult rv = NS_OK;
if (display) {
switch (display->mPosition) {
case NS_STYLE_POSITION_NORMAL:
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,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsROCSSPrimitiveValue *val = GetROCSSPrimitiveValue();
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
nsIFrame* container = GetContainingBlock(aFrame);
if (container) {
nsRect rect;
nsRect containerRect;
nscoord margin = GetMarginWidthCoordFor(aSide, aFrame);
nscoord border = GetBorderWidthCoordFor(aSide, container);
nscoord horScrollBarHeight = 0;
nscoord verScrollBarWidth = 0;
aFrame->GetRect(rect);
container->GetRect(containerRect);
nsCOMPtr<nsIAtom> typeAtom;
container->GetFrameType(getter_AddRefs(typeAtom));
if (typeAtom == 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.
nsIFrame* scrollingChild;
nsCOMPtr<nsIPresShell> presShell = do_QueryReferent(mPresShellWeak);
NS_ASSERTION(presShell, "Must have a presshell!");
nsCOMPtr<nsIPresContext> presContext;
presShell->GetPresContext(getter_AddRefs(presContext));
// the first child in the default frame list is what we want
container->FirstChild(presContext, nsnull, &scrollingChild);
nsCOMPtr<nsIScrollableFrame> scrollFrame(do_QueryInterface(scrollingChild));
if (scrollFrame) {
scrollFrame->GetScrollbarSizes(presContext, &verScrollBarWidth,
&horScrollBarHeight);
PRBool verScrollBarVisible;
PRBool horScrollBarVisible;
scrollFrame->GetScrollbarVisibility(presContext, &verScrollBarVisible,
&horScrollBarVisible);
if (!verScrollBarVisible) {
verScrollBarWidth = 0;
}
if (!horScrollBarVisible) {
horScrollBarHeight = 0;
}
}
}
nscoord offset = 0;
switch (aSide) {
case NS_SIDE_TOP:
offset = rect.y - margin - border;
break;
case NS_SIDE_RIGHT:
offset = containerRect.width - rect.width -
rect.x - margin - border - verScrollBarWidth;
break;
case NS_SIDE_BOTTOM:
offset = containerRect.height - rect.height -
rect.y - margin - border - horScrollBarHeight;
break;
case NS_SIDE_LEFT:
offset = rect.x - margin - border;
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 val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetRelativeOffset(PRUint8 aSide, nsIFrame* aFrame,
nsIDOMCSSPrimitiveValue*& 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;
const nsStyleBorder* borderData = nsnull;
const nsStylePadding* paddingData = nsnull;
nsMargin border;
nsMargin padding;
nsRect rect;
switch(coord.GetUnit()) {
case eStyleUnit_Coord:
val->SetTwips(sign * coord.GetCoordValue());
break;
case eStyleUnit_Percent:
container = GetContainingBlock(aFrame);
if (container) {
container->GetStyleData(eStyleStruct_Border, (const nsStyleStruct*&)borderData);
if (borderData) {
borderData->CalcBorderFor(container, border);
}
container->GetStyleData(eStyleStruct_Padding, (const nsStyleStruct*&)paddingData);
if (paddingData) {
paddingData->CalcPaddingFor(container, padding);
}
container->GetRect(rect);
if (aSide == NS_SIDE_LEFT || aSide == NS_SIDE_RIGHT) {
val->SetTwips(sign * coord.GetPercentValue() *
(rect.width - border.left - border.right -
padding.left - padding.right));
} else {
val->SetTwips(sign * coord.GetPercentValue() *
(rect.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 val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetStaticOffset(PRUint8 aSide, nsIFrame* aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(NS_LITERAL_STRING("auto"));
break;
default:
NS_WARNING("double check the unit");
val->SetTwips(0);
break;
}
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
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->GetParent(&container);
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) {
aFrame->GetStyleData(aID, aStyleStruct);
}
else if (mStyleContextHolder) {
aStyleStruct = mStyleContextHolder->GetStyleData(aID);
} else {
nsCOMPtr<nsIPresShell> presShell=do_QueryReferent(mPresShellWeak);
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
nsCOMPtr<nsIPresContext> pctx;
presShell->GetPresContext(getter_AddRefs(pctx));
if(pctx) {
nsCOMPtr<nsIStyleContext> sctx;
if(!mPseudo) {
pctx->ResolveStyleContextFor(mContent, nsnull, PR_FALSE,
getter_AddRefs(sctx));
}
else {
pctx->ResolvePseudoStyleContextFor(mContent, mPseudo, nsnull, PR_FALSE,
getter_AddRefs(sctx));
}
if(sctx) {
aStyleStruct=sctx->GetStyleData(aID);
}
mStyleContextHolder=sctx;
}
}
NS_ASSERTION(aStyleStruct, "Failed to get a style struct");
return NS_OK;
}
nsresult
nsComputedDOMStyle::GetPaddingWidthFor(PRUint8 aSide,
nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsROCSSPrimitiveValue* val=GetROCSSPrimitiveValue();
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
nscoord width = GetPaddingWidthCoordFor(aSide, aFrame);
val->SetTwips(width);
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&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;
break;
case NS_SIDE_BOTTOM :
return padding.bottom;
break;
case NS_SIDE_LEFT :
return padding.left;
break;
case NS_SIDE_RIGHT :
return padding.right;
break;
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;
break;
case NS_SIDE_BOTTOM :
return border.bottom;
break;
case NS_SIDE_LEFT :
return border.left;
break;
case NS_SIDE_RIGHT :
return border.right;
break;
default:
NS_WARNING("double check the side");
break;
}
}
return 0;
}
nsresult
nsComputedDOMStyle::GetBorderWidthFor(PRUint8 aSide,
nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(width); break;
}
default:
NS_WARNING("double check the unit");
break;
}
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetBorderColorFor(PRUint8 aSide,
nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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 (foreground) {
const nsStyleColor* colorStruct = nsnull;
GetStyleData(eStyleStruct_Color,(const nsStyleStruct*&)colorStruct,
aFrame);
color = colorStruct->mColor;
}
nsAutoString hex;
ColorToHex(color, hex);
val->SetString(hex);
}
else {
val->SetString(NS_LITERAL_STRING(""));
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetMarginWidthFor(PRUint8 aSide,
nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsROCSSPrimitiveValue* val=GetROCSSPrimitiveValue();
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
nscoord width = GetMarginWidthCoordFor(aSide, aFrame);
val->SetTwips(width);
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&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;
break;
case NS_SIDE_BOTTOM :
return margin.bottom;
break;
case NS_SIDE_LEFT :
return margin.left;
break;
case NS_SIDE_RIGHT :
return margin.right;
break;
default:
NS_WARNING("double check the side");
break;
}
}
return 0;
}
nsresult
nsComputedDOMStyle::GetBorderStyleFor(PRUint8 aSide,
nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& 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->SetString(style);
}
else {
val->SetString(NS_LITERAL_STRING("none"));
}
return CallQueryInterface(val, &aValue);
}
nsresult
nsComputedDOMStyle::GetWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsROCSSPrimitiveValue* val=GetROCSSPrimitiveValue();
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
PRBool calcWidth = PR_FALSE;
if (aFrame) {
calcWidth = PR_TRUE;
// Flush all pending notifications so that our frames are up to date
nsCOMPtr<nsIDocument> document;
mContent->GetDocument(*getter_AddRefs(document));
if (document) {
document->FlushPendingNotifications();
}
const nsStyleDisplay* displayData = nsnull;
GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)displayData, aFrame);
if (displayData && displayData->mDisplay == NS_STYLE_DISPLAY_INLINE) {
nsFrameState frameState;
aFrame->GetFrameState(&frameState);
if (! (frameState & NS_FRAME_REPLACED_ELEMENT)) {
calcWidth = PR_FALSE;
}
}
}
if (calcWidth) {
nsRect rect;
nsMargin padding;
nsMargin border;
aFrame->GetRect(rect);
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(rect.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->SetString(NS_LITERAL_STRING("auto"));
break;
case eStyleUnit_Inherit:
val->SetString(NS_LITERAL_STRING("inherit"));
break;
default:
NS_WARNING("Double check the unit");
val->SetTwips(0);
break;
}
} else {
val->SetTwips(0);
}
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetWordSpacing(nsAWritableString& aWordSpacing)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetZIndex(nsAWritableString& aZIndex)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOpacity(nsAWritableString& aOpacity)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
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