/*
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, version 2.1 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not,
* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
*
* Description:
*
*/
#include <QDesktopWidget>
#include <QGraphicsView>
#include <QGraphicsItem>
#include "WebGestureHelper.h"
#include "qstmgestureevent.h"
#include "qstmfilelogger.h"
#include "qstmuievent_if.h"
using namespace qstmGesture;
using namespace qstmUiEventEngine;
#define ENABLE_GESTURE_LIB 1
WebGestureHelperEventFilter* WebGestureHelperEventFilter::m_instance = 0;
WebGestureHelperEventFilter* WebGestureHelperEventFilter::instance()
{
if (!m_instance) {
m_instance = new WebGestureHelperEventFilter();
}
return m_instance;
}
bool WebGestureHelperEventFilter::eventFilter(QObject* receiver, QEvent* event)
{
QStm_Gesture* g = getQStmGesture(event);
if (g) {
g->sendMouseEvents(receiver);
return true;
}
return false;
}
WebGestureHelper::WebGestureHelper(QWidget* ctrl) :
m_ctrl(ctrl)
{
m_gestureEngine = browserApp->gestureEngine();
setupGestureEngine(m_ctrl);
}
WebGestureHelper::~WebGestureHelper()
{
delete m_gestures;
m_gestures = NULL;
delete m_gestureEngine;
QGestureRecognizer::unregisterRecognizer(m_qstmGestureType);
delete m_dummyRecognizer;
}
void WebGestureHelper::setupGestureEngine(QWidget* ctrl)
{
m_gestures = m_gestureEngine->createContext(qptrdiff(ctrl));
#if defined(_DEBUG)
m_gestures->setLogging(0);
#endif
QStm_GestureParameters& param = m_gestures->config();
param.setEnabled(qstmGesture::EGestureUidTap, true);
param[qstmGesture::EDoubleTapTimeout] = 300;
param.setEnabled(qstmGesture::EGestureUidPan, true);
param[qstmGesture::EPanSpeedLow] = 0;
param[qstmGesture::EPanSpeedHigh] = 100;
param[qstmGesture::EPanDisabledWhileHovering] = false;
param[qstmGesture::EMoveTolerance] = 2;
param.setEnabled(qstmGesture::EGestureUidHover, false);
param[qstmGesture::EHoverSpeed] = 0;
param[qstmGesture::EHoverDisabledWhilePanning] = false;
param.setEnabled(qstmGesture::EGestureUidLeftRight, false);
param.setEnabled(qstmGesture::EGestureUidUpDown, false);
param.setEnabled(qstmGesture::EGestureUidFlick, true);
param[qstmGesture::EFlickSpeed] = 25; /*param[stmGesture::EPanSpeedHigh];*/
param.setEnabled(qstmGesture::EGestureUidRelease, true);
param.setEnabled(qstmGesture::EGestureUidTouch, true);
param.setEnabled(qstmGesture::EGestureUidEdgeScroll, false);
param[qstmGesture::EEdgeScrollRange] = 20;
param.setEnabled(qstmGesture::EGestureUidCornerZoom, false);
param[qstmGesture::EZoomCornerSize] = 7;
param.setEnabled(qstmGesture::EGestureUidPinch, true);
param.setEnabled(qstmGesture::EGestureUidLongPress, true);
param.setEnabled(qstmGesture::EGestureUidUnknown, true);
QStm_GestureArea& touchArea = *param.area(qstmGesture::ETouchArea);
QStm_GestureArea& tTimeArea = *param.area(qstmGesture::ETouchTimeArea);
QStm_GestureArea& holdArea = *param.area(qstmGesture::EHoldArea);
touchArea.m_shape = QStm_GestureArea::QStm_Shape(1);
touchArea.m_timeout = 150;
touchArea.m_size = QSize(7, 0);
tTimeArea.m_shape = QStm_GestureArea::QStm_Shape(1);
tTimeArea.m_timeout = 150;
tTimeArea.m_size = QSize(7, 0);
holdArea.m_shape = QStm_GestureArea::QStm_Shape(1);
holdArea.m_timeout = 1500;
holdArea.m_size = QSize(7, 0);
param[ qstmGesture::ESuppressTimeout ] = 0;
param[ qstmGesture::EMoveSuppressTimeout ] = 0;
param[ qstmGesture::ECapacitiveUpUsed ] = false;
param[ qstmGesture::EAdjustYPos ] = false;
param[ qstmGesture::EEnableFiltering ] = 1;
param[ qstmGesture::EWServMessageInterception ] = false;
m_gestures->activate(ctrl);
/*
* Only one instance of dummy recognizer is needed.
* First context will have none-null pointer to it.
*/
if (QStm_Gesture::assignedType() == Qt::CustomGesture) {
m_dummyRecognizer = new QStm_QtDummyGestureRecognizer(m_gestures);
m_gestures->addListener(m_dummyRecognizer);
m_qstmGestureType = QGestureRecognizer::registerRecognizer(m_dummyRecognizer);
QStm_Gesture::setAssignedGestureType(m_qstmGestureType);
}
}
bool WebGestureHelper::symbianEventFilter(const QSymbianEvent *event)
{
return m_gestures->handleSymbianPlatformEvent(event);
}
bool WebGestureHelper::x11EventFilter (XEvent* event)
{
return m_gestures->handleX11PlatformEvent(event);
}
BrowserApp::BrowserApp(int argc, char** argv) : QApplication(argc, argv)
{
m_gestureEngine = new QStm_GestureEngineApi();
}
void BrowserApp::setGestureHelper(WebGestureHelper* gh)
{
m_gestureHelper = gh;
}
bool BrowserApp::symbianEventFilter(const QSymbianEvent *event)
{
#if(ENABLE_GESTURE_LIB)
return m_gestureHelper->symbianEventFilter(event);
#else
return false;
#endif
}
bool BrowserApp::x11EventFilter ( XEvent* event )
{
#if (ENABLE_GESTURE_LIB)
return m_gestureHelper->x11EventFilter(event);
#else
return false;
#endif
}
QStm_QtDummyGestureRecognizer::QStm_QtDummyGestureRecognizer(QStm_GestureContext* ctx) :
QGestureRecognizer(),
m_context(ctx),
m_currentGesture(NULL)
{
}
QStm_QtDummyGestureRecognizer::~QStm_QtDummyGestureRecognizer()
{
}
QGesture* QStm_QtDummyGestureRecognizer::create(QObject* /*target*/)
{
return new QStm_Gesture();
}
QGestureRecognizer::Result QStm_QtDummyGestureRecognizer::recognize(QGesture *state,
QObject */*watched*/,
QEvent *event)
{
QGestureRecognizer::Result ret = QGestureRecognizer::Ignore;
if (event->type() == QStm_GestureEvent::stmGestureEventType()) {
QStm_Gesture* gesture = static_cast<QStm_Gesture*>(state);
*gesture = *m_currentGesture;
ret = (m_currentGesture->gestureState() == Qt::GestureFinished) ? QGestureRecognizer::FinishGesture :
QGestureRecognizer::TriggerGesture;
}
return ret;
}
void QStm_QtDummyGestureRecognizer::reset(QGesture */*state*/)
{
}
QStm_GestureListenerApiIf::QStm_ProcessingResult QStm_QtDummyGestureRecognizer::handleGestureEvent(
QStm_GestureUid uid, QStm_GestureIf* gesture)
{
if (!m_currentGesture) {
Q_ASSERT(gesture);
m_currentGesture = new QStm_Gesture();
}
int stmGestType = gesture ? gesture->getType() : -1;
switch (uid) {
case EGestureUidTap:
{
QStm_TapType type = qstmGesture::QStm_TapType(stmGestType);
if (type == qstmGesture::ETapTypeDouble) {
m_currentGesture->setGestureStmType(QStmDoubleTapGestureType);
}
else {
m_currentGesture->setGestureStmType(QStmTapGestureType);
}
break;
}
case EGestureUidTouch:
{
m_currentGesture->setGestureStmType(QStmTouchGestureType);
break;
}
case EGestureUidRelease:
{
m_currentGesture->setGestureStmType(QStmReleaseGestureType);
break;
}
case EGestureUidFlick:
{
m_currentGesture->setGestureStmType(QStmFlickGestureType);
break;
}
case EGestureUidLeftRight:
{
m_currentGesture->setGestureStmType(QStmLeftRightGestureType);
break;
}
case EGestureUidUpDown:
{
m_currentGesture->setGestureStmType(QStmUpDownGestureType);
break;
}
case EGestureUidPan:
{
m_currentGesture->setGestureStmType(QStmPanGestureType);
break;
}
case EGestureUidHover:
{
m_currentGesture->setGestureStmType(QStmHoverGestureType);
break;
}
case EGestureUidLongPress:
{
m_currentGesture->setGestureStmType(QStmLongPressGestureType);
break;
}
case EGestureUidEdgeScroll:
{
m_currentGesture->setGestureStmType(QStmEdgeScrollGestureType);
break;
}
case EGestureUidCornerZoom:
{
m_currentGesture->setGestureStmType(QStmCornerZoomGestureType);
break;
}
case EGestureUidPinch:
{
m_currentGesture->setGestureStmType(QStmPinchGestureType);
break;
}
case EGestureUidUnknown:
{
m_currentGesture->setGestureStmType(QStmUknownGestureType);
break;
}
}
if (gesture) { //gesture enter
m_currentGesture->setGestureSubType(gesture->getType());
m_currentGesture->setDirection(gesture->getDirection());
QPoint vec = gesture->getLengthAndDirection();
m_currentGesture->setLengthAndDirection(vec);
m_currentGesture->setSpeed(gesture->getSpeed());
QPoint pos = gesture->getLocation();
m_currentGesture->setPosition(pos);
m_currentGesture->setDetails(gesture->getDetails());
m_currentGesture->setSpeedVec(gesture->getSpeedVec());
QWidget* w = static_cast<QWidget*>(gesture->target());
m_currentGesture->setTarget(w);
m_currentGesture->setGestureState(Qt::NoGesture);
}
else {
m_currentGesture->setGestureState(Qt::GestureFinished);
}
QStm_GestureEvent dummy;
m_currentGesture->sendEvent(&dummy);
return QStm_GestureListenerApiIf::EContinue;
}