Index: third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIOverflow.cpp |
diff --git a/third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIOverflow.cpp b/third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIOverflow.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..eef7d1b0caa04ca79259e1dd3ec21d7e69cd1458 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/css/properties/CSSShorthandPropertyAPIOverflow.cpp |
@@ -0,0 +1,51 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "core/css/properties/CSSShorthandPropertyAPIOverflow.h" |
+ |
+#include "core/css/CSSIdentifierValue.h" |
+#include "core/css/parser/CSSParserContext.h" |
+#include "core/css/parser/CSSParserFastPaths.h" |
+#include "core/css/parser/CSSPropertyParserHelpers.h" |
+ |
+namespace blink { |
+ |
+bool CSSShorthandPropertyAPIOverflow::parseShorthand( |
+ bool important, |
+ CSSParserTokenRange& range, |
+ const CSSParserContext& context, |
+ const CSSParserLocalContext&, |
+ HeapVector<CSSProperty, 256>& properties) { |
+ CSSValueID id = range.ConsumeIncludingWhitespace().Id(); |
+ if (!CSSParserFastPaths::IsValidKeywordPropertyAndValue(CSSPropertyOverflowY, |
+ id, context.Mode())) |
+ return false; |
+ if (!range.AtEnd()) |
+ return false; |
+ CSSValue* overflow_y_value = CSSIdentifierValue::Create(id); |
+ |
+ CSSValue* overflow_x_value = nullptr; |
+ |
+ // FIXME: -webkit-paged-x or -webkit-paged-y only apply to overflow-y. |
+ // If |
+ // this value has been set using the shorthand, then for now overflow-x |
+ // will default to auto, but once we implement pagination controls, it |
+ // should default to hidden. If the overflow-y value is anything but |
+ // paged-x or paged-y, then overflow-x and overflow-y should have the |
+ // same |
+ // value. |
+ if (id == CSSValueWebkitPagedX || id == CSSValueWebkitPagedY) |
+ overflow_x_value = CSSIdentifierValue::Create(CSSValueAuto); |
+ else |
+ overflow_x_value = overflow_y_value; |
+ CSSPropertyParserHelpers::AddProperty( |
+ CSSPropertyOverflowX, CSSPropertyOverflow, *overflow_x_value, important, |
+ CSSPropertyParserHelpers::IsImplicitProperty::kNotImplicit, properties); |
+ CSSPropertyParserHelpers::AddProperty( |
+ CSSPropertyOverflowY, CSSPropertyOverflow, *overflow_y_value, important, |
+ CSSPropertyParserHelpers::IsImplicitProperty::kNotImplicit, properties); |
+ return true; |
+} |
+ |
+} // namespace blink |