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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_TouchEvent_h_
#define mozilla_dom_TouchEvent_h_
#include "mozilla/dom/Touch.h"
#include "mozilla/dom/TouchEventBinding.h"
#include "mozilla/dom/UIEvent.h"
#include "mozilla/Attributes.h"
#include "mozilla/EventForwards.h"
#include "mozilla/TouchEvents.h"
#include "nsJSEnvironment.h"
#include "nsWrapperCache.h"
class nsAString;
namespace mozilla {
namespace dom {
class TouchList final : public nsISupports
, public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TouchList)
explicit TouchList(nsISupports* aParent)
: mParent(aParent)
{
nsJSContext::LikelyShortLivingObjectCreated();
}
TouchList(nsISupports* aParent,
const WidgetTouchEvent::TouchArray& aTouches)
: mParent(aParent)
, mPoints(aTouches)
{
nsJSContext::LikelyShortLivingObjectCreated();
}
void Append(Touch* aPoint)
{
mPoints.AppendElement(aPoint);
}
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
nsISupports* GetParentObject() const
{
return mParent;
}
static bool PrefEnabled(JSContext* aCx, JSObject* aGlobal);
uint32_t Length() const
{
return mPoints.Length();
}
Touch* Item(uint32_t aIndex) const
{
return mPoints.SafeElementAt(aIndex);
}
Touch* IndexedGetter(uint32_t aIndex, bool& aFound) const
{
aFound = aIndex < mPoints.Length();
if (!aFound) {
return nullptr;
}
return mPoints[aIndex];
}
protected:
~TouchList() {}
nsCOMPtr<nsISupports> mParent;
WidgetTouchEvent::TouchArray mPoints;
};
class TouchEvent : public UIEvent
{
public:
TouchEvent(EventTarget* aOwner,
nsPresContext* aPresContext,
WidgetTouchEvent* aEvent);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TouchEvent, UIEvent)
virtual JSObject* WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override
{
return TouchEventBinding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<TouchList>
CopyTouches(const Sequence<OwningNonNull<Touch>>& aTouches);
TouchList* Touches();
TouchList* TargetTouches();
TouchList* ChangedTouches();
bool AltKey();
bool MetaKey();
bool CtrlKey();
bool ShiftKey();
void InitTouchEvent(const nsAString& aType,
bool aCanBubble,
bool aCancelable,
nsGlobalWindow* aView,
int32_t aDetail,
bool aCtrlKey,
bool aAltKey,
bool aShiftKey,
bool aMetaKey,
TouchList* aTouches,
TouchList* aTargetTouches,
TouchList* aChangedTouches);
static bool PrefEnabled(JSContext* aCx, JSObject* aGlobal);
static bool PrefEnabled(nsIDocShell* aDocShell);
static already_AddRefed<Event> Constructor(const GlobalObject& aGlobal,
const nsAString& aType,
const TouchEventInit& aParam,
ErrorResult& aRv);
protected:
~TouchEvent() {}
RefPtr<TouchList> mTouches;
RefPtr<TouchList> mTargetTouches;
RefPtr<TouchList> mChangedTouches;
};
} // namespace dom
} // namespace mozilla
already_AddRefed<mozilla::dom::TouchEvent>
NS_NewDOMTouchEvent(mozilla::dom::EventTarget* aOwner,
nsPresContext* aPresContext,
mozilla::WidgetTouchEvent* aEvent);
#endif // mozilla_dom_TouchEvent_h_
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