зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.5 KiB
C++
70 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/MouseScrollEvent.h"
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#include "mozilla/dom/MouseEventBinding.h"
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#include "mozilla/MouseEvents.h"
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#include "prtime.h"
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namespace mozilla {
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namespace dom {
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MouseScrollEvent::MouseScrollEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetMouseScrollEvent* aEvent)
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: MouseEvent(aOwner, aPresContext,
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aEvent
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? aEvent
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: new WidgetMouseScrollEvent(false, eVoidEvent, nullptr)) {
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if (aEvent) {
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mEventIsInternal = false;
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} else {
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mEventIsInternal = true;
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mEvent->mTime = PR_Now();
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mEvent->mRefPoint = LayoutDeviceIntPoint(0, 0);
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static_cast<WidgetMouseEventBase*>(mEvent)->mInputSource =
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MouseEvent_Binding::MOZ_SOURCE_UNKNOWN;
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}
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mDetail = mEvent->AsMouseScrollEvent()->mDelta;
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}
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void MouseScrollEvent::InitMouseScrollEvent(
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const nsAString& aType, bool aCanBubble, bool aCancelable,
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nsGlobalWindowInner* aView, int32_t aDetail, int32_t aScreenX,
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int32_t aScreenY, int32_t aClientX, int32_t aClientY, bool aCtrlKey,
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bool aAltKey, bool aShiftKey, bool aMetaKey, uint16_t aButton,
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EventTarget* aRelatedTarget, int32_t aAxis) {
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NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
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MouseEvent::InitMouseEvent(aType, aCanBubble, aCancelable, aView, aDetail,
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aScreenX, aScreenY, aClientX, aClientY, aCtrlKey,
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aAltKey, aShiftKey, aMetaKey, aButton,
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aRelatedTarget);
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mEvent->AsMouseScrollEvent()->mIsHorizontal =
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(aAxis == MouseScrollEvent_Binding::HORIZONTAL_AXIS);
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}
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int32_t MouseScrollEvent::Axis() {
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return mEvent->AsMouseScrollEvent()->mIsHorizontal
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? MouseScrollEvent_Binding::HORIZONTAL_AXIS
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: MouseScrollEvent_Binding::VERTICAL_AXIS;
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}
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} // namespace dom
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} // namespace mozilla
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using namespace mozilla;
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using namespace dom;
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already_AddRefed<MouseScrollEvent> NS_NewDOMMouseScrollEvent(
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EventTarget* aOwner, nsPresContext* aPresContext,
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WidgetMouseScrollEvent* aEvent) {
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RefPtr<MouseScrollEvent> it =
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new MouseScrollEvent(aOwner, aPresContext, aEvent);
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return it.forget();
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}
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