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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_) */
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