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-rw-r--r--layout/style/nsDOMCSSValueList.cpp70
1 files changed, 70 insertions, 0 deletions
diff --git a/layout/style/nsDOMCSSValueList.cpp b/layout/style/nsDOMCSSValueList.cpp
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+++ b/layout/style/nsDOMCSSValueList.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* DOM object representing lists of values in DOM computed style */
+
+#include "nsDOMCSSValueList.h"
+
+#include <utility>
+
+#include "mozilla/ErrorResult.h"
+#include "nsString.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+nsDOMCSSValueList::nsDOMCSSValueList(bool aCommaDelimited)
+ : CSSValue(), mCommaDelimited(aCommaDelimited) {}
+
+nsDOMCSSValueList::~nsDOMCSSValueList() = default;
+
+void nsDOMCSSValueList::AppendCSSValue(already_AddRefed<CSSValue> aValue) {
+ RefPtr<CSSValue> val = aValue;
+ mCSSValues.AppendElement(std::move(val));
+}
+
+void nsDOMCSSValueList::GetCssText(nsAString& aCssText) {
+ aCssText.Truncate();
+
+ uint32_t count = mCSSValues.Length();
+
+ nsAutoString separator;
+ if (mCommaDelimited) {
+ separator.AssignLiteral(", ");
+ } else {
+ separator.Assign(char16_t(' '));
+ }
+
+ nsAutoString tmpStr;
+ for (uint32_t i = 0; i < count; ++i) {
+ CSSValue* cssValue = mCSSValues[i];
+ NS_ASSERTION(cssValue,
+ "Eek! Someone filled the value list with null CSSValues!");
+ ErrorResult dummy;
+ if (cssValue) {
+ cssValue->GetCssText(tmpStr, dummy);
+
+ if (tmpStr.IsEmpty()) {
+#ifdef DEBUG_caillon
+ NS_ERROR("Eek! An empty CSSValue! Bad!");
+#endif
+
+ continue;
+ }
+
+ // If this isn't the first item in the list, then
+ // it's ok to append a separator.
+ if (!aCssText.IsEmpty()) {
+ aCssText.Append(separator);
+ }
+ aCssText.Append(tmpStr);
+ }
+ }
+}
+
+void nsDOMCSSValueList::GetCssText(nsString& aCssText, ErrorResult& aRv) {
+ GetCssText(aCssText);
+}