/*
* 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 "qstmpangesturerecogniser.h"
#include "qstmgenericsimplegesture.h"
#include "qstmuievent_if.h"
#include "qstmfilelogger.h"
using namespace qstmGesture ;
QStm_PanGestureRecogniser::QStm_PanGestureRecogniser(QStm_GestureListenerIf* listener) :
QStm_GestureRecogniser(listener)
{
}
QStm_PanGestureRecogniser::~QStm_PanGestureRecogniser()
{
}
QStm_GestureRecognitionState QStm_PanGestureRecogniser::recognise(int numOfActiveStreams,
QStm_GestureEngineIf* pge)
{
QStm_GestureRecognitionState state = ENotMyGesture;
// Check if we are enabled or not
if (!m_gestureEnabled) return state ;
if (numOfActiveStreams == 1) {
const qstmUiEventEngine::QStm_UiEventIf* puie = pge->getUiEvents(0);
int countOfEvents = puie->countOfEvents() ;
qstmUiEventEngine::QStm_UiEventCode eventCode = puie->code() ;
if (countOfEvents > 1) { // do we have more than one event in the stream?
// Then look at the events to see if they are suitable for us
// should we check that all of the events are targeted to our window?
// currently we only check if the last one is for us and is EMove, then we pan if the speed is OK
if (m_loggingenabled) {
LOGARG("QStm_PanGestureRecogniser: Got: numer of events %d, event code %d", countOfEvents, eventCode);
}
if (puie->target() == m_powner &&
eventCode == qstmUiEventEngine::EMove) { // The last one is move in our window
float speed = puie->speed();
if (m_loggingenabled) {
LOGARG("QStm_PanGestureRecogniser: Pan: num %d code %d, speed %f, pos(%d, %d), prev pos(%d, %d)",
countOfEvents, eventCode, speed, puie->currentXY().x(), puie->currentXY().y(),
puie->previousXY().x(), puie->previousXY().y());
}
// It is pan gesture in our window, handle it, if the speed is inside limits
if (speed > m_panningspeedlow && speed < m_panningspeedhigh) {
using qstmUiEventEngine::QStm_UiEventSpeed;
state = EGestureActive;
QStm_UiEventSpeed speedIf(speed, puie->speedVec());
// Panning gesture
qstmGesture::QStm_DirectionalGesture pgest(
KUid,
puie->currentXY(),
puie->previousXY(),
&speedIf,
m_loggingenabled);
pgest.setTarget(puie->target());
// Call the listener to inform that a Pan has occurred...
m_listener->gestureEnter(pgest);
}
}
else if (eventCode == qstmUiEventEngine::ERelease) {
LOGARG("QStm_PanGestureRecogniser::recognise: (0x%x) eventCode == ERelease", this);
}
}
}
m_state = state;
return state;
}
void QStm_PanGestureRecogniser::release(QStm_GestureEngineIf* pge)
{
if (m_loggingenabled) {
LOGARG("QStm_PanGestureRecogniser: release (0x%x)", this);
}
const qstmUiEventEngine::QStm_UiEventIf* puie = pge->getUiEvents(0);
using qstmUiEventEngine::QStm_UiEventSpeed;
QStm_UiEventSpeed speedIf(puie->speed(), puie->speedVec());
qstmGesture::QStm_DirectionalGesture pgest(
KUid,
puie->currentXY(),
puie->previousXY(),
&speedIf,
m_loggingenabled);
pgest.setTarget(puie->target());
m_listener->gestureExit(pgest) ;
m_state = ENotMyGesture;
}
void QStm_PanGestureRecogniser::setPanningSpeedLow(float aSpeed)/* __SOFTFP */
{
m_panningspeedlow = aSpeed ;
}
void QStm_PanGestureRecogniser::setPanningSpeedHigh(float aSpeed) /*__SOFTFP */
{
m_panningspeedhigh = aSpeed ;
}