gecko-dev/layout/style/nsComputedDOMStyle.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsIComputedDOMStyle.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#include "nsIContent.h"
#include "nsIFrame.h"
#include "nsIDOMElement.h"
#include "nsIStyleContext.h"
#include "nsIScriptObjectOwner.h"
#include "nsROCSSPrimitiveValue.h"
#include "nsCSSProps.h"
#include "nsCOMPtr.h"
#include "nsDOMError.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 nsIScriptObjectOwner
{
public:
NS_DECL_ISUPPORTS
// nsIComputedDOMStyle
NS_IMETHOD Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
nsIPresShell *aPresShell);
// nsIDOMCSSStyleDeclaration
NS_DECL_IDOMCSSSTYLEDECLARATION
// nsIScriptObjectOwner
NS_IMETHOD GetScriptObject(nsIScriptContext *aContext, void** aScriptObject);
NS_IMETHOD SetScriptObject(void* aScriptObject);
// nsComputedDOMStyle
nsComputedDOMStyle();
virtual ~nsComputedDOMStyle();
private:
nsresult GetAbsoluteFrameRect(nsIFrame *aFrame, nsRect& aRect);
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);
nsresult GetDisplay(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsresult GetBehavior(nsIFrame *aFrame, nsIDOMCSSPrimitiveValue*& aValue);
nsCOMPtr<nsIPresShell> mPresShell;
nsCOMPtr<nsIContent> mContent;
nsString mPseudo;
float mT2P; // For unit conversions
void* mScriptObject;
};
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() : mPresShell(nsnull),
mContent(nsnull),
mT2P(0.0f),
mScriptObject(nsnull)
{
NS_INIT_REFCNT();
}
nsComputedDOMStyle::~nsComputedDOMStyle()
{
}
NS_IMPL_ADDREF(nsComputedDOMStyle);
NS_IMPL_RELEASE(nsComputedDOMStyle);
NS_INTERFACE_MAP_BEGIN(nsComputedDOMStyle)
NS_INTERFACE_MAP_ENTRY(nsIComputedDOMStyle)
NS_INTERFACE_MAP_ENTRY(nsIDOMCSSStyleDeclaration)
NS_INTERFACE_MAP_ENTRY(nsIScriptObjectOwner)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIComputedDOMStyle)
NS_INTERFACE_MAP_END
NS_IMETHODIMP
nsComputedDOMStyle::GetScriptObject(nsIScriptContext *aContext,
void** aScriptObject)
{
nsresult res = NS_OK;
if (!mScriptObject) {
nsISupports *supports = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
// XXX Should be done through factory
res = NS_NewScriptCSSStyleDeclaration(aContext, supports, mContent,
&mScriptObject);
}
*aScriptObject = mScriptObject;
return res;
}
NS_IMETHODIMP
nsComputedDOMStyle::SetScriptObject(void* aScriptObject)
{
mScriptObject = aScriptObject;
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
nsIPresShell *aPresShell)
{
NS_ENSURE_ARG_POINTER(aElement);
NS_ENSURE_ARG_POINTER(aPresShell);
mPresShell = aPresShell;
mContent = do_QueryInterface(aElement);
if (!mContent) {
// This should not happen, all our elements support nsIContent!
return NS_ERROR_FAILURE;
}
mPseudo = aPseudoElt;
nsCOMPtr<nsIPresContext> presCtx;
mPresShell->GetPresContext(getter_AddRefs(presCtx));
NS_ENSURE_TRUE(presCtx, NS_ERROR_FAILURE);
presCtx->GetTwipsToPixels(&mT2P);
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCssText(nsString& aCssText)
{
aCssText.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::SetCssText(const nsString& aCssText)
{
return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetLength(PRUint32* aLength)
{
NS_ENSURE_ARG_POINTER(aLength);
*aLength = 0;
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetParentRule(nsIDOMCSSRule** aParentRule)
{
NS_ENSURE_ARG_POINTER(aParentRule);
*aParentRule = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPropertyValue(const nsString& aPropertyName,
nsString& 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 nsString& aPropertyName,
nsIDOMCSSValue** aReturn)
{
NS_ENSURE_ARG_POINTER(aReturn);
*aReturn = nsnull;
nsIFrame *frame = nsnull;
mPresShell->GetPrimaryFrameFor(mContent, &frame);
nsCOMPtr<nsIDOMCSSPrimitiveValue> val;
nsresult rv = NS_OK;
nsCSSProperty prop = nsCSSProps::LookupProperty(aPropertyName);
switch (prop) {
case eCSSProperty_behavior :
rv = GetBehavior(frame, *getter_AddRefs(val)); break;
case eCSSProperty_display :
rv = GetDisplay(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;
default :
break;
}
if (val) {
rv = val->QueryInterface(NS_GET_IID(nsIDOMCSSValue), (void **)aReturn);
}
return rv;
}
NS_IMETHODIMP
nsComputedDOMStyle::RemoveProperty(const nsString& aPropertyName,
nsString& aReturn)
{
return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPropertyPriority(const nsString& aPropertyName,
nsString& aReturn)
{
aReturn.Truncate();
return NS_OK;
}
NS_IMETHODIMP
nsComputedDOMStyle::SetProperty(const nsString& aPropertyName,
const nsString& aValue,
const nsString& aPriority)
{
return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::Item(PRUint32 aIndex, nsString& aReturn)
{
aReturn.Truncate();
return NS_OK;
}
// Property getters...
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetAzimuth(nsString& aAzimuth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackground(nsString& aBackground)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundAttachment(nsString& aBackgroundAttachment)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundColor(nsString& aBackgroundColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundImage(nsString& aBackgroundImage)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundPosition(nsString& aBackgroundPosition)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBackgroundRepeat(nsString& aBackgroundRepeat)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetBehavior(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsISupports *tmp = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue(tmp, mT2P);
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
nsStyleUserInterface uiStyle;
const nsStyleUserInterface* ui = nsnull;
if (aFrame) {
aFrame->GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct*&)ui);
} else {
nsCOMPtr<nsIPresContext> presCtx;
mPresShell->GetPresContext(getter_AddRefs(presCtx));
NS_ENSURE_TRUE(presCtx, NS_ERROR_FAILURE);
nsCOMPtr<nsIStyleContext> styleCtx;
presCtx->ResolveStyleContextFor(mContent, nsnull, PR_FALSE,
getter_AddRefs(styleCtx));
NS_ENSURE_TRUE(styleCtx, NS_ERROR_FAILURE);
styleCtx->GetStyle(eStyleStruct_UserInterface, uiStyle);
ui = &uiStyle;
}
if (ui) {
val->SetString(ui->mBehavior);
} else {
val->SetString("");
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetBorder(nsString& aBorder)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderCollapse(nsString& aBorderCollapse)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderColor(nsString& aBorderColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderSpacing(nsString& aBorderSpacing)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderStyle(nsString& aBorderStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderTop(nsString& aBorderTop)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderRight(nsString& aBorderRight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderBottom(nsString& aBorderBottom)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderLeft(nsString& aBorderLeft)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderTopColor(nsString& aBorderTopColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderRightColor(nsString& aBorderRightColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderBottomColor(nsString& aBorderBottomColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderLeftColor(nsString& aBorderLeftColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderTopStyle(nsString& aBorderTopStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderRightStyle(nsString& aBorderRightStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderBottomStyle(nsString& aBorderBottomStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderLeftStyle(nsString& aBorderLeftStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderTopWidth(nsString& aBorderTopWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderRightWidth(nsString& aBorderRightWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderBottomWidth(nsString& aBorderBottomWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderLeftWidth(nsString& aBorderLeftWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetBorderWidth(nsString& aBorderWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetBottom(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsISupports *tmp = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
nsRect rect;
GetAbsoluteFrameRect(aFrame, rect);
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue(tmp, mT2P);
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
val->SetTwips(rect.y + rect.height);
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetCaptionSide(nsString& aCaptionSide)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetClear(nsString& aClear)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetClip(nsString& aClip)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetColor(nsString& aColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetContent(nsString& aContent)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCounterIncrement(nsString& aCounterIncrement)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCounterReset(nsString& aCounterReset)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCssFloat(nsString& aCssFloat)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCue(nsString& aCue)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCueAfter(nsString& aCueAfter)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCueBefore(nsString& aCueBefore)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetCursor(nsString& aCursor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetDirection(nsString& aDirection)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetDisplay(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsISupports *tmp = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue(tmp, mT2P);
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
const nsStyleDisplay* display = nsnull;
if (aFrame)
aFrame->GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&)display);
if (display) {
switch (display->mDisplay) {
case NS_STYLE_DISPLAY_NONE :
val->SetString("none"); break;
case NS_STYLE_DISPLAY_BLOCK :
val->SetString("block"); break;
case NS_STYLE_DISPLAY_INLINE :
val->SetString("inline"); break;
case NS_STYLE_DISPLAY_INLINE_BLOCK :
val->SetString("inline_block"); break;
case NS_STYLE_DISPLAY_LIST_ITEM :
val->SetString("list-item"); break;
case NS_STYLE_DISPLAY_MARKER :
val->SetString("marker"); break;
case NS_STYLE_DISPLAY_RUN_IN :
val->SetString("run-in"); break;
case NS_STYLE_DISPLAY_COMPACT :
val->SetString("compact"); break;
case NS_STYLE_DISPLAY_TABLE :
val->SetString("table"); break;
case NS_STYLE_DISPLAY_INLINE_TABLE :
val->SetString("inline-table"); break;
case NS_STYLE_DISPLAY_TABLE_ROW_GROUP :
val->SetString("table-row-croup"); break;
case NS_STYLE_DISPLAY_TABLE_COLUMN :
val->SetString("table-column"); break;
case NS_STYLE_DISPLAY_TABLE_COLUMN_GROUP :
val->SetString("table-column-group"); break;
case NS_STYLE_DISPLAY_TABLE_HEADER_GROUP :
val->SetString("table-header-group"); break;
case NS_STYLE_DISPLAY_TABLE_FOOTER_GROUP :
val->SetString("table-footer-group"); break;
case NS_STYLE_DISPLAY_TABLE_ROW :
val->SetString("table-row"); break;
case NS_STYLE_DISPLAY_TABLE_CELL :
val->SetString("table-cell"); break;
case NS_STYLE_DISPLAY_TABLE_CAPTION :
val->SetString("table-caption"); break;
case NS_STYLE_DISPLAY_MENU :
val->SetString("menu"); break;
default :
val->SetString(""); break;
break;
}
}
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
return NS_OK;
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetElevation(nsString& aElevation)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetEmptyCells(nsString& aEmptyCells)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFont(nsString& aFont)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontFamily(nsString& aFontFamily)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontSize(nsString& aFontSize)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontSizeAdjust(nsString& aFontSizeAdjust)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontStretch(nsString& aFontStretch)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontStyle(nsString& aFontStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontVariant(nsString& aFontVariant)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetFontWeight(nsString& aFontWeight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetHeight(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsISupports *tmp = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
nsRect rect;
GetAbsoluteFrameRect(aFrame, rect);
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue(tmp, mT2P);
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
val->SetTwips(rect.height);
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
nsresult
nsComputedDOMStyle::GetLeft(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsISupports *tmp = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
nsRect rect;
GetAbsoluteFrameRect(aFrame, rect);
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue(tmp, mT2P);
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
val->SetTwips(rect.x);
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetLetterSpacing(nsString& aLetterSpacing)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetLineHeight(nsString& aLineHeight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetListStyle(nsString& aListStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetListStyleImage(nsString& aListStyleImage)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetListStylePosition(nsString& aListStylePosition)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetListStyleType(nsString& aListStyleType)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMargin(nsString& aMargin)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
nsresult GetMargins(nsIFrame *aFrame, nscoord& left, nscoord& top,
nscoord& right, nscoord& bottom)
{
const nsStyleSpacing* spacing;
nsStyleCoord coord;
frame->GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct*&)spacing);
if (spacing) {
if (eStyleUnit_Coord == spacing->mBorder.GetLeftUnit()) {
origin.x += spacing->mBorder.GetLeft(coord).GetCoordValue();
}
if (eStyleUnit_Coord == spacing->mBorder.GetTopUnit()) {
origin.y += spacing->mBorder.GetTop(coord).GetCoordValue();
}
}
}
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(nsString& aMarkerOffset)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMarks(nsString& aMarks)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMaxHeight(nsString& aMaxHeight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMaxWidth(nsString& aMaxWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMinHeight(nsString& aMinHeight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetMinWidth(nsString& aMinWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOrphans(nsString& aOrphans)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOutline(nsString& aOutline)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOutlineColor(nsString& aOutlineColor)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOutlineStyle(nsString& aOutlineStyle)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOutlineWidth(nsString& aOutlineWidth)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOverflow(nsString& aOverflow)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPadding(nsString& aPadding)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPaddingTop(nsString& aPaddingTop)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPaddingRight(nsString& aPaddingRight)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPaddingBottom(nsString& aPaddingBottom)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPaddingLeft(nsString& aPaddingLeft)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPage(nsString& aPage)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPageBreakAfter(nsString& aPageBreakAfter)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPageBreakBefore(nsString& aPageBreakBefore)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPageBreakInside(nsString& aPageBreakInside)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPause(nsString& aPause)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPauseAfter(nsString& aPauseAfter)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPauseBefore(nsString& aPauseBefore)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPitch(nsString& aPitch)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPitchRange(nsString& aPitchRange)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPlayDuring(nsString& aPlayDuring)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetPosition(nsString& aPosition)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetQuotes(nsString& aQuotes)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetRichness(nsString& aRichness)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetRight(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsISupports *tmp = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
nsRect rect;
GetAbsoluteFrameRect(aFrame, rect);
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue(tmp, mT2P);
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
val->SetTwips(rect.x + rect.width);
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetSize(nsString& aSize)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeak(nsString& aSpeak)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeakHeader(nsString& aSpeakHeader)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeakNumeral(nsString& aSpeakNumeral)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeakPunctuation(nsString& aSpeakPunctuation)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetSpeechRate(nsString& aSpeechRate)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetStress(nsString& aStress)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTableLayout(nsString& aTableLayout)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextAlign(nsString& aTextAlign)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextDecoration(nsString& aTextDecoration)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextIndent(nsString& aTextIndent)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextShadow(nsString& aTextShadow)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetTextTransform(nsString& aTextTransform)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetTop(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsISupports *tmp = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
nsRect rect;
GetAbsoluteFrameRect(aFrame, rect);
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue(tmp, mT2P);
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
val->SetTwips(rect.y);
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetUnicodeBidi(nsString& aUnicodeBidi)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetVerticalAlign(nsString& aVerticalAlign)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetVisibility(nsString& aVisibility)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetVoiceFamily(nsString& aVoiceFamily)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetVolume(nsString& aVolume)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetWhiteSpace(nsString& aWhiteSpace)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetWidows(nsString& aWidows)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif
nsresult
nsComputedDOMStyle::GetAbsoluteFrameRect(nsIFrame *aFrame, nsRect& aRect)
{
nsresult res = NS_OK;
aRect.x = aRect.y = 0;
aRect.Empty();
if (!aFrame) {
return NS_OK;
}
// Flush all pending notifications so that our frames are uptodate
mPresShell->FlushPendingNotifications();
// Get it's origin
nsPoint origin;
aFrame->GetOrigin(origin);
// Get the union of all rectangles in this and continuation frames
nsIFrame* next = aFrame;
do {
nsRect rect;
next->GetRect(rect);
aRect.UnionRect(aRect, rect);
next->GetNextInFlow(&next);
} while (nsnull != next);
nsIFrame* parent;
aFrame->GetParent(&parent);
while (parent) {
// Add the parent's origin to our own to get to the
// right coordinate system
nsPoint parentOrigin;
parent->GetOrigin(parentOrigin);
origin += parentOrigin;
parent->GetParent(&parent);
}
// For the origin, add in the border for the frame
const nsStyleSpacing* spacing;
nsStyleCoord coord;
aFrame->GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct*&)spacing);
if (spacing) {
if (eStyleUnit_Coord == spacing->mBorder.GetLeftUnit()) {
origin.x += spacing->mBorder.GetLeft(coord).GetCoordValue();
aRect.width -= spacing->mBorder.GetLeft(coord).GetCoordValue();
//aRect.width -= spacing->mMargin.GetLeft(coord).GetCoordValue();
aRect.width -= spacing->mPadding.GetLeft(coord).GetCoordValue();
}
if (eStyleUnit_Coord == spacing->mBorder.GetTopUnit()) {
origin.y += spacing->mBorder.GetTop(coord).GetCoordValue();
aRect.height -= spacing->mBorder.GetTop(coord).GetCoordValue();
//aRect.height -= spacing->mMargin.GetTop(coord).GetCoordValue();
aRect.height -= spacing->mPadding.GetTop(coord).GetCoordValue();
}
if (eStyleUnit_Coord == spacing->mBorder.GetRightUnit()) {
aRect.width -= spacing->mBorder.GetRight(coord).GetCoordValue();
//aRect.width -= spacing->mMargin.GetRight(coord).GetCoordValue();
aRect.width -= spacing->mPadding.GetRight(coord).GetCoordValue();
}
if (eStyleUnit_Coord == spacing->mBorder.GetBottomUnit()) {
aRect.height -= spacing->mBorder.GetBottom(coord).GetCoordValue();
//aRect.height -= spacing->mMargin.GetBottom(coord).GetCoordValue();
aRect.height -= spacing->mPadding.GetBottom(coord).GetCoordValue();
}
}
aRect.x = origin.x;
aRect.y = origin.y;
return res;
}
nsresult
nsComputedDOMStyle::GetWidth(nsIFrame *aFrame,
nsIDOMCSSPrimitiveValue*& aValue)
{
nsISupports *tmp = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
nsRect rect;
GetAbsoluteFrameRect(aFrame, rect);
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue(tmp, mT2P);
NS_ENSURE_TRUE(val, NS_ERROR_OUT_OF_MEMORY);
val->SetTwips(rect.width);
return val->QueryInterface(NS_GET_IID(nsIDOMCSSPrimitiveValue),
(void **)&aValue);
}
#if 0
NS_IMETHODIMP
nsComputedDOMStyle::GetWordSpacing(nsString& aWordSpacing)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetZIndex(nsString& aZIndex)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
NS_IMETHODIMP
nsComputedDOMStyle::GetOpacity(nsString& aOpacity)
{
return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
}
#endif