mirror of
https://github.com/mozilla/gecko-dev.git
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156 lines
4.1 KiB
C++
156 lines
4.1 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Christopher A. Aillon <christopher@aillon.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsDOMCSSValueList.h"
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#include "nsCOMPtr.h"
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#include "nsDOMError.h"
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#include "prtypes.h"
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#include "nsContentUtils.h"
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nsDOMCSSValueList::nsDOMCSSValueList(PRBool aCommaDelimited, PRBool aReadonly)
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: mCommaDelimited(aCommaDelimited), mReadonly(aReadonly)
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{
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}
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nsDOMCSSValueList::~nsDOMCSSValueList()
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{
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}
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NS_IMPL_ADDREF(nsDOMCSSValueList)
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NS_IMPL_RELEASE(nsDOMCSSValueList)
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// QueryInterface implementation for nsDOMCSSValueList
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NS_INTERFACE_MAP_BEGIN(nsDOMCSSValueList)
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NS_INTERFACE_MAP_ENTRY(nsIDOMCSSValueList)
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NS_INTERFACE_MAP_ENTRY(nsIDOMCSSValue)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(CSSValueList)
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NS_INTERFACE_MAP_END
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PRBool
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nsDOMCSSValueList::AppendCSSValue(nsIDOMCSSValue* aValue)
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{
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return mCSSValues.AppendObject(aValue);
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}
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// nsIDOMCSSValueList
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NS_IMETHODIMP
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nsDOMCSSValueList::GetLength(PRUint32* aLength)
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{
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*aLength = mCSSValues.Count();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDOMCSSValueList::Item(PRUint32 aIndex, nsIDOMCSSValue **aReturn)
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{
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NS_ENSURE_ARG_POINTER(aReturn);
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*aReturn = mCSSValues[aIndex];
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NS_IF_ADDREF(*aReturn);
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return NS_OK;
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}
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// nsIDOMCSSValue
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NS_IMETHODIMP
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nsDOMCSSValueList::GetCssText(nsAString& aCssText)
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{
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aCssText.Truncate();
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PRUint32 count = mCSSValues.Count();
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nsAutoString separator;
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if (mCommaDelimited) {
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separator.AssignLiteral(", ");
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}
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else {
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separator.Assign(PRUnichar(' '));
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}
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nsCOMPtr<nsIDOMCSSValue> cssValue;
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nsAutoString tmpStr;
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for (PRUint32 i = 0; i < count; ++i) {
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cssValue = mCSSValues[i];
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NS_ASSERTION(cssValue, "Eek! Someone filled the value list with null CSSValues!");
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if (cssValue) {
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cssValue->GetCssText(tmpStr);
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if (tmpStr.IsEmpty()) {
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#ifdef DEBUG_caillon
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NS_ERROR("Eek! An empty CSSValue! Bad!");
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#endif
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continue;
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}
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// If this isn't the first item in the list, then
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// its ok to append a separator.
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if (!aCssText.IsEmpty()) {
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aCssText.Append(separator);
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}
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aCssText.Append(tmpStr);
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}
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDOMCSSValueList::SetCssText(const nsAString& aCssText)
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{
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if (mReadonly) {
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return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
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}
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NS_NOTYETIMPLEMENTED("Can't SetCssText yet: please write me!");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDOMCSSValueList::GetCssValueType(PRUint16* aValueType)
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{
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NS_ENSURE_ARG_POINTER(aValueType);
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*aValueType = nsIDOMCSSValue::CSS_VALUE_LIST;
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return NS_OK;
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}
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