1 files changed, 37 insertions, 0 deletions
diff --git a/gfx/layers/apz/src/KeyboardScrollAction.cpp b/gfx/layers/apz/src/KeyboardScrollAction.cpp
new file mode 100644
index 0000000000..42d9a8bff2
--- /dev/null
+++ b/gfx/layers/apz/src/KeyboardScrollAction.cpp
@@ -0,0 +1,37 @@
+/* -*- 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/. */
+
+#include "mozilla/layers/KeyboardScrollAction.h"
+
+namespace mozilla {
+namespace layers {
+
+/* static */ ScrollUnit KeyboardScrollAction::GetScrollUnit(
+    KeyboardScrollAction::KeyboardScrollActionType aDeltaType) {
+  switch (aDeltaType) {
+    case KeyboardScrollAction::eScrollCharacter:
+      return ScrollUnit::LINES;
+    case KeyboardScrollAction::eScrollLine:
+      return ScrollUnit::LINES;
+    case KeyboardScrollAction::eScrollPage:
+      return ScrollUnit::PAGES;
+    case KeyboardScrollAction::eScrollComplete:
+      return ScrollUnit::WHOLE;
+  }
+
+  // Silence an overzealous warning
+  return ScrollUnit::WHOLE;
+}
+
+KeyboardScrollAction::KeyboardScrollAction()
+    : mType(KeyboardScrollAction::eScrollCharacter), mForward(false) {}
+
+KeyboardScrollAction::KeyboardScrollAction(KeyboardScrollActionType aType,
+                                           bool aForward)
+    : mType(aType), mForward(aForward) {}
+
+}  // namespace layers
+}  // namespace mozilla