1 files changed, 169 insertions, 0 deletions
diff --git a/basicsuite/qtwebbrowser/tqtc-qtwebbrowser/src/touchtracker.cpp b/basicsuite/qtwebbrowser/tqtc-qtwebbrowser/src/touchtracker.cpp
new file mode 100644
index 0000000..52a028a
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+++ b/basicsuite/qtwebbrowser/tqtc-qtwebbrowser/src/touchtracker.cpp
@@ -0,0 +1,169 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtBrowser project.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPLv2 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "touchtracker.h"
+#include "appengine.h"
+
+#include <QDateTime>
+
+using namespace utils;
+
+TouchTracker::TouchTracker(QQuickItem *parent)
+    : QQuickItem(parent)
+    , m_blockEvents(false)
+    , m_diff(0)
+    , m_previousY(0)
+    , m_target(0)
+    , m_delegate(0)
+{
+    m_startPoint.ts = 0;
+    m_currentPoint.ts = 0;
+}
+
+QQuickItem *TouchTracker::target() const
+{
+    return m_target;
+}
+
+void TouchTracker::setTarget(QQuickItem * target)
+{
+    m_target = target;
+    emit targetChanged();
+}
+
+int TouchTracker::xVelocity() const
+{
+    qreal pos = qAbs(m_startPoint.x() - m_currentPoint.x());
+    qreal time = qAbs(m_startPoint.ts - m_currentPoint.ts);
+    return pos / time * 1000;
+}
+
+int TouchTracker::yVelocity() const
+{
+    qreal pos = qAbs(m_startPoint.y() - m_currentPoint.y());
+    qreal time = qAbs(m_startPoint.ts - m_currentPoint.ts);
+    return pos / time * 1000;
+}
+
+
+qreal TouchTracker::touchX() const
+{
+    return m_currentPoint.x();
+}
+
+qreal TouchTracker::touchY() const
+{
+    return m_currentPoint.y();
+}
+
+bool TouchTracker::blockEvents() const
+{
+    return m_blockEvents;
+}
+
+void TouchTracker::setBlockEvents(bool shouldBlock)
+{
+    if (m_blockEvents == shouldBlock)
+        return;
+    m_blockEvents = shouldBlock;
+    emit blockEventsChanged();
+}
+
+bool TouchTracker::eventFilter(QObject *obj, QEvent *event)
+{
+    if (obj != m_delegate)
+        return QQuickItem::eventFilter(obj, event);
+
+    if (event->type() == QEvent::Wheel)
+        return m_blockEvents;
+
+    if (!isTouchEvent(event))
+        return QQuickItem::eventFilter(obj, event);
+
+    const QTouchEvent *touch = static_cast<QTouchEvent*>(event);
+    const QList<QTouchEvent::TouchPoint> &points = touch->touchPoints();
+    m_previousY = m_currentPoint.y();
+    m_currentPoint.pos = m_target->mapToScene(points.at(0).pos());
+    m_currentPoint.ts = QDateTime::currentMSecsSinceEpoch();
+    int currentDiff = m_previousY - m_currentPoint.y();
+
+    if ((currentDiff > 0 && m_diff < 0) || (currentDiff < 0 && m_diff > 0))
+        emit scrollDirectionChanged();
+
+    m_diff = currentDiff;
+
+    emit touchChanged();
+    emit velocityChanged();
+
+    if (event->type() ==  QEvent::TouchEnd)
+        emit touchEnd();
+
+    return m_blockEvents;
+}
+
+void TouchTracker::touchEvent(QTouchEvent * event)
+{
+    if (!m_target) {
+        if (!m_blockEvents)
+            QQuickItem::touchEvent(event);
+
+        return;
+    }
+
+    event->setAccepted(false);
+
+    const QList<QTouchEvent::TouchPoint> &points = event->touchPoints();
+    m_currentPoint.pos = m_target->mapToScene(points.at(0).pos());
+    m_currentPoint.ts = QDateTime::currentMSecsSinceEpoch();
+
+    if (event->type() ==  QEvent::TouchBegin) {
+        m_startPoint = m_currentPoint;
+        emit touchBegin();
+    }
+
+    emit touchChanged();
+
+    // We have to find the delegate to be able to filter
+    // events from the WebEngineView.
+    // This is a hack and should preferably be made easier
+    // with the API in some way.
+    QQuickItem *child = m_target->childAt(m_currentPoint.x(), m_currentPoint.y());
+    if (child && m_delegate != child) {
+        child->installEventFilter(this);
+        m_delegate = child;
+    }
+}