content/events/src/nsDOMSimpleGestureEvent.cpp

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   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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  15  * The Original Code is mozilla.org code.
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  17  * The Initial Developer of the Original Code is
  18  * Thomas K. Dyas <tdyas@zecador.org>.
  19  * Portions created by the Initial Developer are Copyright (C) 2008
  20  * the Initial Developer. All Rights Reserved.
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  37
  38 #include "nsDOMSimpleGestureEvent.h"
  39 #include "nsGUIEvent.h"
  40 #include "nsContentUtils.h"
  41
  42
  43 nsDOMSimpleGestureEvent::nsDOMSimpleGestureEvent(nsPresContext* aPresContext, nsSimpleGestureEvent* aEvent)
  44   : nsDOMUIEvent(aPresContext, aEvent ? aEvent : new nsSimpleGestureEvent(PR_FALSE, 0, nsnull, 0, 0.0))
  45 {
  46   NS_ASSERTION(mEvent->eventStructType == NS_SIMPLE_GESTURE_EVENT, "event type mismatch");
  47
  48   if (aEvent) {
  49     mEventIsInternal = PR_FALSE;
  50   } else {
  51     mEventIsInternal = PR_TRUE;
  52     mEvent->time = PR_Now();
  53   }
  54 }
  55
  56 nsDOMSimpleGestureEvent::~nsDOMSimpleGestureEvent()
  57 {
  58   if (mEventIsInternal) {
  59     delete static_cast<nsSimpleGestureEvent*>(mEvent);
  60     mEvent = nsnull;
  61   }
  62 }
  63
  64 NS_IMPL_ADDREF_INHERITED(nsDOMSimpleGestureEvent, nsDOMUIEvent)
  65 NS_IMPL_RELEASE_INHERITED(nsDOMSimpleGestureEvent, nsDOMUIEvent)
  66
  67 NS_INTERFACE_MAP_BEGIN(nsDOMSimpleGestureEvent)
  68   NS_INTERFACE_MAP_ENTRY(nsIDOMSimpleGestureEvent)
  69   NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(SimpleGestureEvent)
  70 NS_INTERFACE_MAP_END_INHERITING(nsDOMUIEvent)
  71
  72 /* readonly attribute unsigned long direction; */
  73 NS_IMETHODIMP
  74 nsDOMSimpleGestureEvent::GetDirection(PRUint32 *aDirection)
  75 {
  76   NS_ENSURE_ARG_POINTER(aDirection);
  77   *aDirection = static_cast<nsSimpleGestureEvent*>(mEvent)->direction;
  78   return NS_OK;
  79 }
  80
  81 /* readonly attribute float delta; */
  82 NS_IMETHODIMP
  83 nsDOMSimpleGestureEvent::GetDelta(PRFloat64 *aDelta)
  84 {
  85   NS_ENSURE_ARG_POINTER(aDelta);
  86   *aDelta = static_cast<nsSimpleGestureEvent*>(mEvent)->delta;
  87   return NS_OK;
  88 }
  89
  90 /* readonly attribute boolean altKey; */
  91 NS_IMETHODIMP
  92 nsDOMSimpleGestureEvent::GetAltKey(PRBool* aIsDown)
  93 {
  94   NS_ENSURE_ARG_POINTER(aIsDown);
  95   *aIsDown = static_cast<nsInputEvent*>(mEvent)->isAlt;
  96   return NS_OK;
  97 }
  98
  99 /* readonly attribute boolean ctrlKey; */
 100 NS_IMETHODIMP
 101 nsDOMSimpleGestureEvent::GetCtrlKey(PRBool* aIsDown)
 102 {
 103   NS_ENSURE_ARG_POINTER(aIsDown);
 104   *aIsDown = static_cast<nsInputEvent*>(mEvent)->isControl;
 105   return NS_OK;
 106 }
 107
 108 /* readonly attribute boolean shiftKey; */
 109 NS_IMETHODIMP
 110 nsDOMSimpleGestureEvent::GetShiftKey(PRBool* aIsDown)
 111 {
 112   NS_ENSURE_ARG_POINTER(aIsDown);
 113   *aIsDown = static_cast<nsInputEvent*>(mEvent)->isShift;
 114   return NS_OK;
 115 }
 116
 117 /* readonly attribute boolean metaKey; */
 118 NS_IMETHODIMP
 119 nsDOMSimpleGestureEvent::GetMetaKey(PRBool* aIsDown)
 120 {
 121   NS_ENSURE_ARG_POINTER(aIsDown);
 122   *aIsDown = static_cast<nsInputEvent*>(mEvent)->isMeta;
 123   return NS_OK;
 124 }
 125
 126
 127 NS_IMETHODIMP
 128 nsDOMSimpleGestureEvent::InitSimpleGestureEvent(const nsAString & typeArg, PRBool canBubbleArg, PRBool cancelableArg, nsIDOMAbstractView *viewArg, PRInt32 detailArg, PRUint32 directionArg, PRFloat64 deltaArg, PRBool altKeyArg, PRBool ctrlKeyArg, PRBool shiftKeyArg, PRBool metaKeyArg)
 129 {
 130   nsresult rv = nsDOMUIEvent::InitUIEvent(typeArg, canBubbleArg, cancelableArg, viewArg, detailArg);
 131   NS_ENSURE_SUCCESS(rv, rv);
 132
 133   nsSimpleGestureEvent* simpleGestureEvent = static_cast<nsSimpleGestureEvent*>(mEvent);
 134   simpleGestureEvent->direction = directionArg;
 135   simpleGestureEvent->delta = deltaArg;
 136   simpleGestureEvent->isAlt = altKeyArg;
 137   simpleGestureEvent->isControl = ctrlKeyArg;
 138   simpleGestureEvent->isShift = shiftKeyArg;
 139   simpleGestureEvent->isMeta = metaKeyArg;
 140
 141   return NS_OK;
 142 }
 143
 144 nsresult NS_NewDOMSimpleGestureEvent(nsIDOMEvent** aInstancePtrResult,
 145                                      nsPresContext* aPresContext,
 146                                      nsSimpleGestureEvent *aEvent)
 147 {
 148   nsDOMSimpleGestureEvent *it = new nsDOMSimpleGestureEvent(aPresContext, aEvent);
 149   if (nsnull == it) {
 150     return NS_ERROR_OUT_OF_MEMORY;
 151   }
 152   return CallQueryInterface(it, aInstancePtrResult);
 153 }