michael@0: /* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: #ifndef mozilla_dom_TouchEvent_h_
michael@0: #define mozilla_dom_TouchEvent_h_
michael@0: 
michael@0: #include "mozilla/dom/Touch.h"
michael@0: #include "mozilla/dom/TouchEventBinding.h"
michael@0: #include "mozilla/dom/UIEvent.h"
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/EventForwards.h"
michael@0: #include "nsJSEnvironment.h"
michael@0: #include "nsTArray.h"
michael@0: #include "nsWrapperCache.h"
michael@0: 
michael@0: class nsAString;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class TouchList MOZ_FINAL : public nsISupports
michael@0:                           , public nsWrapperCache
michael@0: {
michael@0: public:
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TouchList)
michael@0: 
michael@0:   TouchList(nsISupports* aParent)
michael@0:     : mParent(aParent)
michael@0:   {
michael@0:     SetIsDOMBinding();
michael@0:     nsJSContext::LikelyShortLivingObjectCreated();
michael@0:   }
michael@0:   TouchList(nsISupports* aParent,
michael@0:             const nsTArray<nsRefPtr<Touch> >& aTouches)
michael@0:     : mParent(aParent)
michael@0:     , mPoints(aTouches)
michael@0:   {
michael@0:     SetIsDOMBinding();
michael@0:     nsJSContext::LikelyShortLivingObjectCreated();
michael@0:   }
michael@0: 
michael@0:   void Append(Touch* aPoint)
michael@0:   {
michael@0:     mPoints.AppendElement(aPoint);
michael@0:   }
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   nsISupports* GetParentObject() const
michael@0:   {
michael@0:     return mParent;
michael@0:   }
michael@0: 
michael@0:   static bool PrefEnabled(JSContext* aCx = nullptr,
michael@0:                           JSObject* aGlobal = nullptr);
michael@0: 
michael@0:   uint32_t Length() const
michael@0:   {
michael@0:     return mPoints.Length();
michael@0:   }
michael@0:   Touch* Item(uint32_t aIndex) const
michael@0:   {
michael@0:     return mPoints.SafeElementAt(aIndex);
michael@0:   }
michael@0:   Touch* IndexedGetter(uint32_t aIndex, bool& aFound) const
michael@0:   {
michael@0:     aFound = aIndex < mPoints.Length();
michael@0:     if (!aFound) {
michael@0:       return nullptr;
michael@0:     }
michael@0:     return mPoints[aIndex];
michael@0:   }
michael@0:   Touch* IdentifiedTouch(int32_t aIdentifier) const;
michael@0: 
michael@0: protected:
michael@0:   nsCOMPtr<nsISupports> mParent;
michael@0:   nsTArray<nsRefPtr<Touch> > mPoints;
michael@0: };
michael@0: 
michael@0: class TouchEvent : public UIEvent
michael@0: {
michael@0: public:
michael@0:   TouchEvent(EventTarget* aOwner,
michael@0:              nsPresContext* aPresContext,
michael@0:              WidgetTouchEvent* aEvent);
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(TouchEvent, UIEvent)
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE
michael@0:   {
michael@0:     return TouchEventBinding::Wrap(aCx, this);
michael@0:   }
michael@0: 
michael@0:   TouchList* Touches();
michael@0:   TouchList* TargetTouches();
michael@0:   TouchList* ChangedTouches();
michael@0: 
michael@0:   bool AltKey();
michael@0:   bool MetaKey();
michael@0:   bool CtrlKey();
michael@0:   bool ShiftKey();
michael@0: 
michael@0:   void InitTouchEvent(const nsAString& aType,
michael@0:                       bool aCanBubble,
michael@0:                       bool aCancelable,
michael@0:                       nsIDOMWindow* aView,
michael@0:                       int32_t aDetail,
michael@0:                       bool aCtrlKey,
michael@0:                       bool aAltKey,
michael@0:                       bool aShiftKey,
michael@0:                       bool aMetaKey,
michael@0:                       TouchList* aTouches,
michael@0:                       TouchList* aTargetTouches,
michael@0:                       TouchList* aChangedTouches,
michael@0:                       ErrorResult& aRv);
michael@0: 
michael@0:   static bool PrefEnabled(JSContext* aCx = nullptr,
michael@0:                           JSObject* aGlobal = nullptr);
michael@0: protected:
michael@0:   nsRefPtr<TouchList> mTouches;
michael@0:   nsRefPtr<TouchList> mTargetTouches;
michael@0:   nsRefPtr<TouchList> mChangedTouches;
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // mozilla_dom_TouchEvent_h_