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-rw-r--r--dom/events/MouseScrollEvent.cpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/dom/events/MouseScrollEvent.cpp b/dom/events/MouseScrollEvent.cpp
new file mode 100644
index 0000000000..58bc0b2dbb
--- /dev/null
+++ b/dom/events/MouseScrollEvent.cpp
@@ -0,0 +1,66 @@
+/* -*- 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/dom/MouseScrollEvent.h"
+#include "mozilla/dom/MouseEventBinding.h"
+#include "mozilla/MouseEvents.h"
+#include "prtime.h"
+
+namespace mozilla::dom {
+
+MouseScrollEvent::MouseScrollEvent(EventTarget* aOwner,
+ nsPresContext* aPresContext,
+ WidgetMouseScrollEvent* aEvent)
+ : MouseEvent(aOwner, aPresContext,
+ aEvent
+ ? aEvent
+ : new WidgetMouseScrollEvent(false, eVoidEvent, nullptr)) {
+ if (aEvent) {
+ mEventIsInternal = false;
+ } else {
+ mEventIsInternal = true;
+ mEvent->mRefPoint = LayoutDeviceIntPoint(0, 0);
+ static_cast<WidgetMouseEventBase*>(mEvent)->mInputSource =
+ MouseEvent_Binding::MOZ_SOURCE_UNKNOWN;
+ }
+
+ mDetail = mEvent->AsMouseScrollEvent()->mDelta;
+}
+
+void MouseScrollEvent::InitMouseScrollEvent(
+ const nsAString& aType, bool aCanBubble, bool aCancelable,
+ nsGlobalWindowInner* aView, int32_t aDetail, int32_t aScreenX,
+ int32_t aScreenY, int32_t aClientX, int32_t aClientY, bool aCtrlKey,
+ bool aAltKey, bool aShiftKey, bool aMetaKey, uint16_t aButton,
+ EventTarget* aRelatedTarget, int32_t aAxis) {
+ NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
+
+ MouseEvent::InitMouseEvent(aType, aCanBubble, aCancelable, aView, aDetail,
+ aScreenX, aScreenY, aClientX, aClientY, aCtrlKey,
+ aAltKey, aShiftKey, aMetaKey, aButton,
+ aRelatedTarget);
+ mEvent->AsMouseScrollEvent()->mIsHorizontal =
+ (aAxis == MouseScrollEvent_Binding::HORIZONTAL_AXIS);
+}
+
+int32_t MouseScrollEvent::Axis() {
+ return mEvent->AsMouseScrollEvent()->mIsHorizontal
+ ? MouseScrollEvent_Binding::HORIZONTAL_AXIS
+ : MouseScrollEvent_Binding::VERTICAL_AXIS;
+}
+
+} // namespace mozilla::dom
+
+using namespace mozilla;
+using namespace dom;
+
+already_AddRefed<MouseScrollEvent> NS_NewDOMMouseScrollEvent(
+ EventTarget* aOwner, nsPresContext* aPresContext,
+ WidgetMouseScrollEvent* aEvent) {
+ RefPtr<MouseScrollEvent> it =
+ new MouseScrollEvent(aOwner, aPresContext, aEvent);
+ return it.forget();
+}