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 "mozilla/dom/MouseEventBinding.h"
   8 #include "mozilla/dom/SimpleGestureEvent.h"
   9 #include "mozilla/TouchEvents.h"
  10 #include "prtime.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->mTime = PR_Now();
  29     mEvent->mRefPoint = LayoutDeviceIntPoint(0, 0);
  30     static_cast<WidgetMouseEventBase*>(mEvent)->mInputSource =
  31         MouseEvent_Binding::MOZ_SOURCE_UNKNOWN;
  32   }
  33 }
  34
  35 uint32_t SimpleGestureEvent::AllowedDirections() const {
  36   return mEvent->AsSimpleGestureEvent()->mAllowedDirections;
  37 }
  38
  39 void SimpleGestureEvent::SetAllowedDirections(uint32_t aAllowedDirections) {
  40   mEvent->AsSimpleGestureEvent()->mAllowedDirections = aAllowedDirections;
  41 }
  42
  43 uint32_t SimpleGestureEvent::Direction() const {
  44   return mEvent->AsSimpleGestureEvent()->mDirection;
  45 }
  46
  47 double SimpleGestureEvent::Delta() const {
  48   return mEvent->AsSimpleGestureEvent()->mDelta;
  49 }
  50
  51 uint32_t SimpleGestureEvent::ClickCount() const {
  52   return mEvent->AsSimpleGestureEvent()->mClickCount;
  53 }
  54
  55 void SimpleGestureEvent::InitSimpleGestureEvent(
  56     const nsAString& aTypeArg, bool aCanBubbleArg, bool aCancelableArg,
  57     nsGlobalWindowInner* aViewArg, int32_t aDetailArg, int32_t aScreenX,
  58     int32_t aScreenY, int32_t aClientX, int32_t aClientY, bool aCtrlKeyArg,
  59     bool aAltKeyArg, bool aShiftKeyArg, bool aMetaKeyArg, uint16_t aButton,
  60     EventTarget* aRelatedTarget, uint32_t aAllowedDirectionsArg,
  61     uint32_t aDirectionArg, double aDeltaArg, uint32_t aClickCountArg) {
  62   NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
  63
  64   MouseEvent::InitMouseEvent(aTypeArg, aCanBubbleArg, aCancelableArg, aViewArg,
  65                              aDetailArg, aScreenX, aScreenY, aClientX, aClientY,
  66                              aCtrlKeyArg, aAltKeyArg, aShiftKeyArg, aMetaKeyArg,
  67                              aButton, aRelatedTarget);
  68
  69   WidgetSimpleGestureEvent* simpleGestureEvent = mEvent->AsSimpleGestureEvent();
  70   simpleGestureEvent->mAllowedDirections = aAllowedDirectionsArg;
  71   simpleGestureEvent->mDirection = aDirectionArg;
  72   simpleGestureEvent->mDelta = aDeltaArg;
  73   simpleGestureEvent->mClickCount = aClickCountArg;
  74 }
  75
  76 }  // namespace mozilla::dom
  77
  78 using namespace mozilla;
  79 using namespace mozilla::dom;
  80
  81 already_AddRefed<SimpleGestureEvent> NS_NewDOMSimpleGestureEvent(
  82     EventTarget* aOwner, nsPresContext* aPresContext,
  83     WidgetSimpleGestureEvent* aEvent) {
  84   RefPtr<SimpleGestureEvent> it =
  85       new SimpleGestureEvent(aOwner, aPresContext, aEvent);
  86   return it.forget();
  87 }