145 lines
3.8 KiB
C++
145 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#ifndef mozilla_dom_TouchEvent_h_
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#define mozilla_dom_TouchEvent_h_
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#include "mozilla/dom/Touch.h"
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#include "mozilla/dom/TouchEventBinding.h"
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#include "mozilla/dom/UIEvent.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/EventForwards.h"
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#include "mozilla/TouchEvents.h"
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#include "nsJSEnvironment.h"
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#include "nsWrapperCache.h"
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class nsAString;
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namespace mozilla {
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namespace dom {
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class TouchList final : public nsISupports
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, public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TouchList)
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explicit TouchList(nsISupports* aParent)
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: mParent(aParent)
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{
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nsJSContext::LikelyShortLivingObjectCreated();
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}
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TouchList(nsISupports* aParent,
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const WidgetTouchEvent::TouchArray& aTouches)
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: mParent(aParent)
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, mPoints(aTouches)
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{
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nsJSContext::LikelyShortLivingObjectCreated();
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}
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void Append(Touch* aPoint)
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{
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mPoints.AppendElement(aPoint);
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}
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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nsISupports* GetParentObject() const
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{
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return mParent;
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}
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static bool PrefEnabled(JSContext* aCx, JSObject* aGlobal);
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uint32_t Length() const
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{
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return mPoints.Length();
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}
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Touch* Item(uint32_t aIndex) const
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{
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return mPoints.SafeElementAt(aIndex);
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}
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Touch* IndexedGetter(uint32_t aIndex, bool& aFound) const
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{
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aFound = aIndex < mPoints.Length();
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if (!aFound) {
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return nullptr;
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}
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return mPoints[aIndex];
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}
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protected:
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~TouchList() {}
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nsCOMPtr<nsISupports> mParent;
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WidgetTouchEvent::TouchArray mPoints;
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};
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class TouchEvent : public UIEvent
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{
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public:
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TouchEvent(EventTarget* aOwner,
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nsPresContext* aPresContext,
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WidgetTouchEvent* aEvent);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TouchEvent, UIEvent)
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virtual JSObject* WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override
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{
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return TouchEventBinding::Wrap(aCx, this, aGivenProto);
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}
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already_AddRefed<TouchList>
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CopyTouches(const Sequence<OwningNonNull<Touch>>& aTouches);
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TouchList* Touches();
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TouchList* TargetTouches();
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TouchList* ChangedTouches();
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bool AltKey();
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bool MetaKey();
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bool CtrlKey();
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bool ShiftKey();
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void InitTouchEvent(const nsAString& aType,
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bool aCanBubble,
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bool aCancelable,
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nsGlobalWindow* aView,
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int32_t aDetail,
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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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TouchList* aTouches,
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TouchList* aTargetTouches,
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TouchList* aChangedTouches);
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static bool PrefEnabled(JSContext* aCx, JSObject* aGlobal);
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static bool PrefEnabled(nsIDocShell* aDocShell);
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static already_AddRefed<Event> Constructor(const GlobalObject& aGlobal,
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const nsAString& aType,
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const TouchEventInit& aParam,
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ErrorResult& aRv);
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protected:
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~TouchEvent() {}
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RefPtr<TouchList> mTouches;
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RefPtr<TouchList> mTargetTouches;
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RefPtr<TouchList> mChangedTouches;
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};
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} // namespace dom
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} // namespace mozilla
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already_AddRefed<mozilla::dom::TouchEvent>
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NS_NewDOMTouchEvent(mozilla::dom::EventTarget* aOwner,
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nsPresContext* aPresContext,
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mozilla::WidgetTouchEvent* aEvent);
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#endif // mozilla_dom_TouchEvent_h_
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