| /* |
| * Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies) |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef QtTapGestureRecognizer_h |
| #define QtTapGestureRecognizer_h |
| |
| #include "QtGestureRecognizer.h" |
| #include <QTouchEvent> |
| #include <QtCore/QBasicTimer> |
| #include <QtCore/QObject> |
| |
| namespace WebKit { |
| |
| class QtWebPageEventHandler; |
| |
| class QtTapGestureRecognizer : public QObject, private QtGestureRecognizer { |
| public: |
| QtTapGestureRecognizer(QtWebPageEventHandler*); |
| void update(const QTouchEvent::TouchPoint&); |
| void finish(const QTouchEvent::TouchPoint&); |
| void cancel(); |
| |
| protected: |
| void timerEvent(QTimerEvent*); |
| void highlightTimeout(); |
| void singleTapTimeout(); |
| void tapAndHoldTimeout(); |
| |
| private: |
| void reset(); |
| bool withinDistance(const QTouchEvent::TouchPoint&, int distance); |
| |
| QBasicTimer m_highlightTimer; |
| QBasicTimer m_doubleTapTimer; |
| QBasicTimer m_tapAndHoldTimer; |
| QTouchEvent::TouchPoint m_lastTouchPoint; |
| |
| enum { |
| SingleTapCandidate, |
| DoubleTapCandidate |
| } m_candidate; |
| }; |
| |
| } // namespace WebKit |
| |
| #endif /* QtTapGestureRecognizer_h */ |