dom/events/SimpleGestureEvent.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "SimpleGestureEvent.h"
   8
   9 #include "mozilla/dom/MouseEventBinding.h"
  10 #include "mozilla/TouchEvents.h"
  11
  12 namespace mozilla::dom {
  13
  14 SimpleGestureEvent::SimpleGestureEvent(EventTarget* aOwner,
  15                                        nsPresContext* aPresContext,
  16                                        WidgetSimpleGestureEvent* aEvent)
  17     : MouseEvent(
  18           aOwner, aPresContext,
  19           aEvent ? aEvent
  20                  : new WidgetSimpleGestureEvent(false, eVoidEvent, nullptr)) {
  21   NS_ASSERTION(mEvent->mClass == eSimpleGestureEventClass,
  22                "event type mismatch");
  23
  24   if (aEvent) {
  25     mEventIsInternal = false;
  26   } else {
  27     mEventIsInternal = true;
  28     mEvent->mRefPoint = LayoutDeviceIntPoint(0, 0);
  29     static_cast<WidgetMouseEventBase*>(mEvent)->mInputSource =
  30         MouseEvent_Binding::MOZ_SOURCE_UNKNOWN;
  31   }
  32 }
  33
  34 uint32_t SimpleGestureEvent::AllowedDirections() const {
  35   return mEvent->AsSimpleGestureEvent()->mAllowedDirections;
  36 }
  37
  38 void SimpleGestureEvent::SetAllowedDirections(uint32_t aAllowedDirections) {
  39   mEvent->AsSimpleGestureEvent()->mAllowedDirections = aAllowedDirections;
  40 }
  41
  42 uint32_t SimpleGestureEvent::Direction() const {
  43   return mEvent->AsSimpleGestureEvent()->mDirection;
  44 }
  45
  46 double SimpleGestureEvent::Delta() const {
  47   return mEvent->AsSimpleGestureEvent()->mDelta;
  48 }
  49
  50 uint32_t SimpleGestureEvent::ClickCount() const {
  51   return mEvent->AsSimpleGestureEvent()->mClickCount;
  52 }
  53
  54 void SimpleGestureEvent::InitSimpleGestureEventInternal(
  55     const nsAString& aTypeArg, bool aCanBubbleArg, bool aCancelableArg,
  56     nsGlobalWindowInner* aViewArg, int32_t aDetailArg, double aScreenX,
  57     double aScreenY, double aClientX, double aClientY, bool aCtrlKeyArg,
  58     bool aAltKeyArg, bool aShiftKeyArg, bool aMetaKeyArg, uint16_t aButton,
  59     EventTarget* aRelatedTarget, uint32_t aAllowedDirectionsArg,
  60     uint32_t aDirectionArg, double aDeltaArg, uint32_t aClickCountArg) {
  61   NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
  62
  63   MouseEvent::InitMouseEventInternal(
  64       aTypeArg, aCanBubbleArg, aCancelableArg, aViewArg, aDetailArg, aScreenX,
  65       aScreenY, aClientX, aClientY, aCtrlKeyArg, aAltKeyArg, aShiftKeyArg,
  66       aMetaKeyArg, aButton, aRelatedTarget);
  67
  68   WidgetSimpleGestureEvent* simpleGestureEvent = mEvent->AsSimpleGestureEvent();
  69   simpleGestureEvent->mAllowedDirections = aAllowedDirectionsArg;
  70   simpleGestureEvent->mDirection = aDirectionArg;
  71   simpleGestureEvent->mDelta = aDeltaArg;
  72   simpleGestureEvent->mClickCount = aClickCountArg;
  73 }
  74
  75 }  // namespace mozilla::dom
  76
  77 using namespace mozilla;
  78 using namespace mozilla::dom;
  79
  80 already_AddRefed<SimpleGestureEvent> NS_NewDOMSimpleGestureEvent(
  81     EventTarget* aOwner, nsPresContext* aPresContext,
  82     WidgetSimpleGestureEvent* aEvent) {
  83   RefPtr<SimpleGestureEvent> it =
  84       new SimpleGestureEvent(aOwner, aPresContext, aEvent);
  85   return it.forget();
  86 }