зеркало из https://github.com/mozilla/gecko-dev.git
102 строки
3.4 KiB
C++
102 строки
3.4 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/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 ? aEvent : new WidgetMouseScrollEvent(false, 0, nullptr))
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{
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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->time = PR_Now();
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mEvent->refPoint.x = mEvent->refPoint.y = 0;
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static_cast<WidgetMouseEventBase*>(mEvent)->inputSource =
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nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
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}
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mDetail = mEvent->AsMouseScrollEvent()->delta;
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}
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NS_IMPL_ADDREF_INHERITED(MouseScrollEvent, MouseEvent)
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NS_IMPL_RELEASE_INHERITED(MouseScrollEvent, MouseEvent)
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NS_INTERFACE_MAP_BEGIN(MouseScrollEvent)
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NS_INTERFACE_MAP_ENTRY(nsIDOMMouseScrollEvent)
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NS_INTERFACE_MAP_END_INHERITING(MouseEvent)
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NS_IMETHODIMP
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MouseScrollEvent::InitMouseScrollEvent(const nsAString& aType,
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bool aCanBubble,
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bool aCancelable,
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nsIDOMWindow* aView,
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int32_t aDetail,
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int32_t aScreenX,
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int32_t aScreenY,
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int32_t aClientX,
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int32_t aClientY,
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bool aCtrlKey,
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bool aAltKey,
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bool aShiftKey,
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bool aMetaKey,
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uint16_t aButton,
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nsIDOMEventTarget* aRelatedTarget,
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int32_t aAxis)
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{
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nsresult rv =
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MouseEvent::InitMouseEvent(aType, aCanBubble, aCancelable, aView, aDetail,
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aScreenX, aScreenY, aClientX, aClientY,
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aCtrlKey, aAltKey, aShiftKey, aMetaKey, aButton,
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aRelatedTarget);
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NS_ENSURE_SUCCESS(rv, rv);
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mEvent->AsMouseScrollEvent()->isHorizontal = (aAxis == HORIZONTAL_AXIS);
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return NS_OK;
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}
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NS_IMETHODIMP
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MouseScrollEvent::GetAxis(int32_t* aResult)
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{
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NS_ENSURE_ARG_POINTER(aResult);
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*aResult = Axis();
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return NS_OK;
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}
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int32_t
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MouseScrollEvent::Axis()
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{
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return mEvent->AsMouseScrollEvent()->isHorizontal ?
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static_cast<int32_t>(HORIZONTAL_AXIS) :
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static_cast<int32_t>(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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nsresult
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NS_NewDOMMouseScrollEvent(nsIDOMEvent** aInstancePtrResult,
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EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetMouseScrollEvent* aEvent)
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{
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MouseScrollEvent* it = new MouseScrollEvent(aOwner, aPresContext, aEvent);
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NS_ADDREF(it);
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*aInstancePtrResult = static_cast<Event*>(it);
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return NS_OK;
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}
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