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-rw-r--r--dom/events/TouchEvent.h145
1 files changed, 145 insertions, 0 deletions
diff --git a/dom/events/TouchEvent.h b/dom/events/TouchEvent.h
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+++ b/dom/events/TouchEvent.h
@@ -0,0 +1,145 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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_