michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* DOM object representing lists of values in DOM computed style */
michael@0: 
michael@0: #include "nsDOMCSSValueList.h"
michael@0: #include "mozilla/dom/CSSValueListBinding.h"
michael@0: #include "nsAutoPtr.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: nsDOMCSSValueList::nsDOMCSSValueList(bool aCommaDelimited, bool aReadonly)
michael@0:   : CSSValue(), mCommaDelimited(aCommaDelimited), mReadonly(aReadonly)
michael@0: {
michael@0:   SetIsDOMBinding();
michael@0: }
michael@0: 
michael@0: nsDOMCSSValueList::~nsDOMCSSValueList()
michael@0: {
michael@0: }
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDOMCSSValueList)
michael@0: NS_IMPL_CYCLE_COLLECTING_RELEASE(nsDOMCSSValueList)
michael@0: 
michael@0: // QueryInterface implementation for nsDOMCSSValueList
michael@0: NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDOMCSSValueList)
michael@0:   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIDOMCSSValue)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIDOMCSSValueList)
michael@0:   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, CSSValue)
michael@0: NS_INTERFACE_MAP_END
michael@0: 
michael@0: NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(nsDOMCSSValueList, mCSSValues)
michael@0: 
michael@0: JSObject*
michael@0: nsDOMCSSValueList::WrapObject(JSContext *cx)
michael@0: {
michael@0:   return dom::CSSValueListBinding::Wrap(cx, this);
michael@0: }
michael@0: 
michael@0: void
michael@0: nsDOMCSSValueList::AppendCSSValue(CSSValue* aValue)
michael@0: {
michael@0:   mCSSValues.AppendElement(aValue);
michael@0: }
michael@0: 
michael@0: // nsIDOMCSSValue
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsDOMCSSValueList::GetCssText(nsAString& aCssText)
michael@0: {
michael@0:   aCssText.Truncate();
michael@0: 
michael@0:   uint32_t count = mCSSValues.Length();
michael@0: 
michael@0:   nsAutoString separator;
michael@0:   if (mCommaDelimited) {
michael@0:     separator.AssignLiteral(", ");
michael@0:   }
michael@0:   else {
michael@0:     separator.Assign(char16_t(' '));
michael@0:   }
michael@0: 
michael@0:   nsAutoString tmpStr;
michael@0:   for (uint32_t i = 0; i < count; ++i) {
michael@0:     CSSValue *cssValue = mCSSValues[i];
michael@0:     NS_ASSERTION(cssValue, "Eek!  Someone filled the value list with null CSSValues!");
michael@0:     ErrorResult dummy;
michael@0:     if (cssValue) {
michael@0:       cssValue->GetCssText(tmpStr, dummy);
michael@0: 
michael@0:       if (tmpStr.IsEmpty()) {
michael@0: 
michael@0: #ifdef DEBUG_caillon
michael@0:         NS_ERROR("Eek!  An empty CSSValue!  Bad!");
michael@0: #endif
michael@0: 
michael@0:         continue;
michael@0:       }
michael@0: 
michael@0:       // If this isn't the first item in the list, then
michael@0:       // it's ok to append a separator.
michael@0:       if (!aCssText.IsEmpty()) {
michael@0:         aCssText.Append(separator);
michael@0:       }
michael@0:       aCssText.Append(tmpStr);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsDOMCSSValueList::GetCssText(nsString& aText, ErrorResult& aRv)
michael@0: {
michael@0:   aRv = GetCssText(aText);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsDOMCSSValueList::SetCssText(const nsAString& aCssText)
michael@0: {
michael@0:   if (mReadonly) {
michael@0:     return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
michael@0:   }
michael@0: 
michael@0:   NS_NOTYETIMPLEMENTED("Can't SetCssText yet: please write me!");
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsDOMCSSValueList::SetCssText(const nsAString& aText, ErrorResult& aRv)
michael@0: {
michael@0:   aRv = SetCssText(aText);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsDOMCSSValueList::GetCssValueType(uint16_t* aValueType)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aValueType);
michael@0:   *aValueType = nsIDOMCSSValue::CSS_VALUE_LIST;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: uint16_t
michael@0: nsDOMCSSValueList::CssValueType() const
michael@0: {
michael@0:   return nsIDOMCSSValue::CSS_VALUE_LIST;
michael@0: }