--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ginebra2/WebTouchNavigation.cpp Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,233 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+#include <QTimer>
+#include <QGraphicsWebView>
+#include <QWebPage>
+#include <QWebFrame>
+#include <QGraphicsScene>
+#include <QGraphicsView>
+
+#include "WebTouchNavigation.h"
+#include "KineticHelper.h"
+
+#define SCROLL_TIMEOUT 40
+
+namespace GVA {
+using namespace qstmGesture;
+
+
+
+
+DecelEdit::DecelEdit(WebTouchNavigation* nav) : QLineEdit(), m_nav(nav)
+{
+ setMaxLength(6);
+ connect(this, SIGNAL(editingFinished()), this, SLOT(setDecel()));
+// connect(this, SIGNAL(returnPressed ()), this, SLOT(setDecel()));
+}
+
+void DecelEdit::setDecel()
+{
+ QString txt = text();
+ bool ok = false;
+ int decel = txt.toInt(&ok);
+ m_nav->m_kinetic->setDeceleration((qreal)decel);
+ hide();
+}
+
+
+WebTouchNavigation::WebTouchNavigation(QGraphicsWebView* view) :
+ m_view(view),
+ m_scrollTimer(0)
+
+{
+ m_webPage = m_view->page();
+ m_kinetic = new KineticHelper(this);
+ m_decelEdit = new DecelEdit(this);
+}
+
+WebTouchNavigation::~WebTouchNavigation()
+{
+ disconnect(m_scrollTimer, SIGNAL(timeout()),this,SLOT(pan()));
+ delete m_scrollTimer;
+
+ delete m_kinetic;
+}
+
+
+void WebTouchNavigation::handleQStmGesture(QStm_Gesture* gesture)
+{
+ QStm_GestureType type = gesture->getGestureStmType();
+
+ switch (type) {
+ case QStmTapGestureType:
+ {
+ doTap(gesture);
+ break;
+ }
+ case QStmPanGestureType:
+ {
+ doPan(gesture);
+ break;
+ }
+ case QStmFlickGestureType:
+ {
+ doFlick(gesture);
+ break;
+ }
+ case QStmDoubleTapGestureType:
+ {
+ m_decelEdit->show();
+ break;
+ }
+ case QStmTouchGestureType:
+ {
+ doTouch(gesture);
+ break;
+ }
+ }
+}
+
+void WebTouchNavigation::doTouch(QStm_Gesture* gesture)
+{
+ stopScrolling();
+ if (m_kinetic->isScrolling()) {
+ m_kinetic->stopScrolling();
+ }
+}
+
+void WebTouchNavigation::stopScrolling()
+{
+ if (m_scrollTimer && m_scrollTimer->isActive()) {
+ m_scrollTimer->stop();
+ m_scrollDelta = QPoint(0,0);
+ }
+}
+
+
+void WebTouchNavigation::doFlick(QStm_Gesture* gesture)
+{
+
+ QPointF pos = mapFromGlobal(gesture->position());
+ m_kineticSpeed = gesture->getSpeedVec();
+ QStm_GestureDirection direction = static_cast<QStm_GestureDirection>(gesture->getDirection());
+
+ if (direction == ENorth || direction == ESouth) {
+ m_kineticSpeed.setY(0.0);
+ }
+ else if (direction == EEast || direction == EWest) {
+ m_kineticSpeed.setX(0.0);
+ }
+
+ m_kineticSpeed *= -1.0;
+ m_frame = m_webPage->frameAt(pos.toPoint());
+ m_kinetic->startScrolling();
+}
+
+void WebTouchNavigation::doPan(QStm_Gesture* gesture)
+{
+ if (gesture->gestureState() == Qt::GestureFinished) {
+ stopScrolling();
+ }
+ else {
+ m_scrollDelta += gesture->getLengthAndDirection();
+ Q_ASSERT(m_scrollDelta.x() != 0 || m_scrollDelta.y() != 0);
+ QPointF pos = mapFromGlobal(gesture->position());
+ m_frame = m_webPage->frameAt(pos.toPoint());
+ if(!m_scrollTimer) {
+ m_scrollTimer = new QTimer(this);
+ m_scrollTimer->setSingleShot(false);
+ QObject::connect(m_scrollTimer, SIGNAL(timeout()), this, SLOT(pan()));
+ }
+
+ if (!m_scrollTimer->isActive()) {
+ m_scrollTimer->stop();
+ m_scrollTimer->start(SCROLL_TIMEOUT);
+ }
+ }
+}
+
+void WebTouchNavigation::pan()
+{
+ if (m_scrollDelta.x() != 0 || m_scrollDelta.y() != 0) {
+ m_frame->scroll(-m_scrollDelta.x(), m_scrollDelta.y());
+ m_scrollDelta = QPoint(0,0);
+ }
+}
+
+void WebTouchNavigation::doTap(QStm_Gesture* gesture)
+{
+ QPoint gpos = gesture->position();
+ QPoint pos = mapFromGlobal(gpos).toPoint();
+ Qt::MouseButtons buttons = Qt::LeftButton;
+ buttons &= ~Qt::RightButton;
+ buttons &= ~Qt::MidButton;
+ buttons &= Qt::MouseButtonMask;
+
+ QMouseEvent mdown (QEvent::MouseButtonPress, pos, gpos, Qt::LeftButton, buttons, Qt::NoModifier);
+ QMouseEvent mup (QEvent::MouseButtonRelease, pos, gpos, Qt::LeftButton, Qt::NoButton, Qt::NoModifier);
+
+ m_webPage->event(&mdown);
+ m_webPage->event(&mup);
+}
+
+
+
+
+QPointF WebTouchNavigation::mapFromGlobal(const QPointF& gpos)
+{
+ QGraphicsScene* scene = m_view->scene();
+ QList<QGraphicsView*> gvList = scene->views();
+ QList<QGraphicsView*>::iterator it;
+
+ for(it = gvList.begin(); it != gvList.end(); it++) {
+ if (static_cast<QGraphicsView*>(*it)->hasFocus()) {
+ QWidget* viewport = static_cast<QGraphicsView*>(*it)->viewport();
+ return m_view->mapFromScene(viewport->mapFromGlobal(gpos.toPoint()));
+ }
+ }
+
+ return QPointF(0.0, 0.0);
+}
+
+
+void WebTouchNavigation::scrollTo(QPoint& pos)
+{
+ m_frame->setScrollPosition(pos);
+}
+
+
+QPoint WebTouchNavigation::getScrollPosition()
+{
+ return m_frame->scrollPosition();
+}
+
+QPoint WebTouchNavigation::getInitialPosition()
+{
+ return m_frame->scrollPosition();
+}
+
+QPointF WebTouchNavigation::getInitialSpeed()
+{
+ return m_kineticSpeed;
+}
+
+
+
+}
+