--- a/webengine/webkitutils/stmgesturefw/src/hoveringgesturerecogniser.cpp Tue Feb 02 00:56:45 2010 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,162 +0,0 @@
-/*
-* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the License "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 "hoveringgesturerecogniser.h"
-#include "GenericSimpleGesture.h"
-#include "rt_uievent.h"
-
-#include "filelogger.h"
-
-using namespace stmGesture ;
-
-extern long Mm2Pixels(long mm) ;
-
-
-CHoveringGestureRecogniser::CHoveringGestureRecogniser(MGestureListener* aListener) :
- CGestureRecogniser(aListener)
-{
- m_hovering = false ;
- m_hoveringspeed = 0.9f ;
-}
-
-CHoveringGestureRecogniser* CHoveringGestureRecogniser::NewL(MGestureListener* aListener)
-{
- CHoveringGestureRecogniser* self = new (ELeave) CHoveringGestureRecogniser(aListener) ;
- return self;
-}
-
-CHoveringGestureRecogniser::~CHoveringGestureRecogniser()
-{
-}
-
-TGestureRecognitionState CHoveringGestureRecogniser::recognise(int numOfActiveStreams,
- MGestureEngineIf* pge)
-{
- TGestureRecognitionState state = ENotMyGesture;
- // Check if we are enabled or not
- if (!m_gestureEnabled) return state ;
-
- // Look at the events to see if it looks like hovering
- if (numOfActiveStreams == 1)
- {
- // Then look at the event stream, it has to be tap and release
- const stmUiEventEngine::MUiEvent* puie = pge->getUiEvents(0);
- int countOfEvents = puie->countOfEvents() ;
- stmUiEventEngine::TUiEventCode 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 (puie->Target() == m_powner &&
- eventCode == stmUiEventEngine::EMove) // The last one is move in our window
- {
- float speedX = puie->speedX() ;
- float speedY = puie->speedY() ;
- if (m_loggingenabled)
- {
- LOGARG("CHoveringGestureRecogniser: %d: num %d code %d, speed %f, limit %f",
- m_hovering, countOfEvents, eventCode,
- double(speedX), double(m_hoveringspeed));
- }
- // It might be hovering gesture in our window, handle it
- if (!m_hovering)
- {
- // we are not yet hovering, so lets see if it is slow movement
- // but it must be movement; if it is 0.0 do not hover
- if ( ((speedX > 0.01f) ||(speedY > 0.01f)) &&
- ((speedX < m_hoveringspeed) || (speedY < m_hoveringspeed))
- )
- {
- state = EGestureActive;
- m_hovering = true;
- }
- }
- if (m_hovering)
- {
- // after we've started hovering, the speed could be increased a little before we loose hovering
- // but this adjustment is not implemented now...
- if (speedX < m_hoveringspeed || speedY < m_hoveringspeed)
-
- {
- using stmUiEventEngine::TUiEventSpeed;
-
- state = EGestureActive;
- TUiEventSpeed speedIf(speedX, speedY);
- stmGesture::TDirectionalGesture pgest(
- KUid,
- puie->CurrentXY(),
- puie->PreviousXY(),
- &speedIf,
- m_loggingenabled);
-
- // Call the listener to inform that a Hover has occurred...
- m_listener->gestureEnter(pgest);
- }
- }
- }
- else if (m_hovering)
- {
- if (eventCode == stmUiEventEngine::ERelease) // The last one is release in any window
- {
- m_hovering = false ;
- // release will handle informing of the listener
- }
- }
- }
- else
- {
- // count of events == 1, lets see if it is EMove, then we take it and start hovering
- if (puie->Target() == m_powner &&
- eventCode == stmUiEventEngine::EMove) // The only one is move in our window
- {
- if (m_loggingenabled)
- {
- LOGARG("CHoveringGestureRecogniser: move: num %d code %d", countOfEvents, eventCode);
- }
- state = EGestureActive;
- stmGesture::TDirectionalGesture pgest(
- KUid,
- puie->CurrentXY(),
- puie->PreviousXY(),
- puie,
- m_loggingenabled);
-
- // Call the listener to inform that a Hover has occurred...
- m_listener->gestureEnter(pgest);
- }
- }
- }
- if (state == ENotMyGesture)
- {
- // if it was not our gesture, then the state can not be hovering...
- m_hovering = false ;
- }
- return state;
-}
-
-void CHoveringGestureRecogniser::release(MGestureEngineIf* /*ge*/)
-{
- m_hovering = false ;
- m_listener->gestureExit(KUid) ;
-}
-
-void CHoveringGestureRecogniser::setHoveringSpeed(float aSpeed) __SOFTFP
-{
- m_hoveringspeed = aSpeed ;
-}
-