--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/qstmgesturelib/recognisers/qstmflickgesturerecogniser.cpp Tue May 04 12:39:35 2010 +0300
@@ -0,0 +1,104 @@
+/*
+* 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 "qstmgenericsimplegesture.h"
+#include "qstmflickgesturerecogniser.h"
+#include "qstmuievent_if.h"
+#include "qstmfilelogger.h"
+
+using namespace qstmGesture ;
+
+QStm_FlickGestureRecogniser::QStm_FlickGestureRecogniser(QStm_GestureListenerIf* listener) :
+ QStm_GestureRecogniser(listener)
+{
+}
+
+QStm_FlickGestureRecogniser::~QStm_FlickGestureRecogniser()
+{
+}
+
+/*!
+ * Release gesture recogniser. Note that this one never owns the gesture, it just calls
+ * the callback if it detects ERelease inside the area being watched.
+ * There could be also check for the target window?
+ */
+QStm_GestureRecognitionState QStm_FlickGestureRecogniser::recognise(int numOfActiveStreams,
+ QStm_GestureEngineIf* pge)
+{
+ QStm_GestureRecognitionState state = m_state = ENotMyGesture;
+ // Check if we are enabled or not
+ if (!m_gestureEnabled) return state ;
+
+ // Look at the events to see if it looks like flick with one pointer
+ if (numOfActiveStreams == 1) {
+ const qstmUiEventEngine::QStm_UiEventIf* puie = pge->getUiEvents(0);
+ int countOfEvents = puie->countOfEvents();
+ qstmUiEventEngine::QStm_UiEventCode eventCode = puie->code();
+ if (m_loggingenabled) {
+ LOGARG("QStm_FlickGestureRecogniser: %d num %d code %d", eventCode, countOfEvents, eventCode);
+ }
+
+ if (m_powner == puie->target() && eventCode == qstmUiEventEngine::ERelease)
+ {
+ if (m_loggingenabled) {
+ LOGARG("QStm_FlickGestureRecogniser: 0x%x ERelease: num %d code %d, %d",
+ this, countOfEvents, puie->currentXY().x(), puie->currentXY().y());
+ }
+ // Check if the speed before release was fast enough for flick
+ const qstmUiEventEngine::QStm_UiEventIf* puieprev = puie->previousEvent() ;
+ if (puieprev && puieprev->code() == qstmUiEventEngine::EMove) {
+ using qstmUiEventEngine::QStm_UiEventSpeed;
+
+ float thespeed = puieprev->speed() ;
+ if (m_loggingenabled) {
+ LOGARG("QStm_FlickGestureRecogniser: prev speed: %f (limit: %f)", double(thespeed), double(m_speed)) ;
+ }
+ if (thespeed > m_speed) {
+ state = EGestureActive ;
+
+ QStm_UiEventSpeed speedIf(thespeed, puieprev->speedVec());
+
+ // issue the flick gesture using the TDirectionalGesture (it has the speed and direction)
+ qstmGesture::QStm_DirectionalGesture pgest(
+ KUid,
+ puieprev->currentXY(),
+ puieprev->previousXY(),
+ &speedIf,
+ m_loggingenabled);
+ pgest.setTarget(puie->target());
+
+ // Call the listener to inform that a flick has occurred...
+ m_listener->gestureEnter(pgest);
+ }
+ }
+ }
+ }
+ m_state = state;
+ return state;
+}
+void QStm_FlickGestureRecogniser::release(QStm_GestureEngineIf* /*ge*/)
+{
+ if (m_loggingenabled) {
+ LOGARG("QStm_FlickGestureRecogniser: 0x%x flick", this);
+ }
+ m_state = ENotMyGesture;
+}
+
+void QStm_FlickGestureRecogniser::setFlickingSpeed(float aSpeed) /* __SOFTFP */
+{
+ m_speed = aSpeed ;
+}