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