webengine/webkitutils/stmgesturefw/src/hoveringgesturerecogniser.cpp
changeset 65 5bfc169077b2
parent 42 d39add9822e2
child 66 cacf6ee57968
--- 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 ;
-}
-