webkitgtk-2.12.3webkitgtk-2.12.3

1 files changed, 82 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/style/StyleScrollSnapPoints.cpp b/Source/WebCore/rendering/style/StyleScrollSnapPoints.cpp
new file mode 100644
index 000000000..8d8858f84
--- /dev/null
+++ b/Source/WebCore/rendering/style/StyleScrollSnapPoints.cpp
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "StyleScrollSnapPoints.h"
+
+#if ENABLE(CSS_SCROLL_SNAP)
+
+namespace WebCore {
+
+ScrollSnapPoints::ScrollSnapPoints()
+    : repeatOffset(100, Percent)
+    , hasRepeat(true)
+    , usesElements(false)
+{
+}
+
+bool operator==(const ScrollSnapPoints& a, const ScrollSnapPoints& b)
+{
+    return a.repeatOffset == b.repeatOffset
+        && a.hasRepeat == b.hasRepeat
+        && a.usesElements == b.usesElements
+        && a.offsets == b.offsets;
+}
+
+LengthSize defaultScrollSnapDestination()
+{
+    return LengthSize(Length(0, Fixed), Length(0, Fixed));
+}
+
+StyleScrollSnapPoints::StyleScrollSnapPoints()
+    : destination(defaultScrollSnapDestination())
+{
+}
+
+inline StyleScrollSnapPoints::StyleScrollSnapPoints(const StyleScrollSnapPoints& other)
+    : RefCounted()
+    , xPoints(other.xPoints ? std::make_unique<ScrollSnapPoints>(*other.xPoints) : nullptr)
+    , yPoints(other.yPoints ? std::make_unique<ScrollSnapPoints>(*other.yPoints) : nullptr)
+    , destination(other.destination)
+    , coordinates(other.coordinates)
+{
+}
+
+Ref<StyleScrollSnapPoints> StyleScrollSnapPoints::copy() const
+{
+    return adoptRef(*new StyleScrollSnapPoints(*this));
+}
+
+bool operator==(const StyleScrollSnapPoints& a, const StyleScrollSnapPoints& b)
+{
+    return a.xPoints == b.xPoints
+        && a.yPoints == b.yPoints
+        && a.destination == b.destination
+        && a.coordinates == b.coordinates;
+}
+
+} // namespace WebCore
+
+#endif /* ENABLE(CSS_SCROLL_SNAP) */