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-rw-r--r--layout/base/TouchManager.h63
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diff --git a/layout/base/TouchManager.h b/layout/base/TouchManager.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=2 sw=2 et tw=78:
+ * 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/.
+ */
+
+/* Description of TouchManager class.
+ * Incapsulate code related with work of touch events.
+ */
+
+#ifndef TouchManager_h_
+#define TouchManager_h_
+
+#include "mozilla/BasicEvents.h"
+#include "mozilla/dom/Touch.h"
+#include "mozilla/TouchEvents.h"
+#include "nsRefPtrHashtable.h"
+
+class PresShell;
+class nsIDocument;
+
+namespace mozilla {
+
+class TouchManager {
+public:
+ // Initialize and release static variables
+ static void InitializeStatics();
+ static void ReleaseStatics();
+
+ void Init(PresShell* aPresShell, nsIDocument* aDocument);
+ void Destroy();
+
+ bool PreHandleEvent(mozilla::WidgetEvent* aEvent,
+ nsEventStatus* aStatus,
+ bool& aTouchIsNew,
+ bool& aIsHandlingUserInput,
+ nsCOMPtr<nsIContent>& aCurrentEventContent);
+
+ static already_AddRefed<nsIContent> GetAnyCapturedTouchTarget();
+ static bool HasCapturedTouch(int32_t aId);
+ static already_AddRefed<dom::Touch> GetCapturedTouch(int32_t aId);
+
+private:
+ void EvictTouches();
+ static void EvictTouchPoint(RefPtr<dom::Touch>& aTouch,
+ nsIDocument* aLimitToDocument = nullptr);
+ static void AppendToTouchList(WidgetTouchEvent::TouchArray* aTouchList);
+
+ RefPtr<PresShell> mPresShell;
+ nsCOMPtr<nsIDocument> mDocument;
+
+ struct TouchInfo
+ {
+ RefPtr<mozilla::dom::Touch> mTouch;
+ nsCOMPtr<nsIContent> mNonAnonymousTarget;
+ };
+ static nsDataHashtable<nsUint32HashKey, TouchInfo>* sCaptureTouchList;
+};
+
+} // namespace mozilla
+
+#endif /* !defined(TouchManager_h_) */