akntouchgesturefw/src/akntouchgesturefwpinchrecognizer.cpp
author William Roberts <williamr@symbian.org>
Wed, 10 Nov 2010 12:08:34 +0000
branchRCL_3
changeset 76 5c9f0ba5102a
parent 0 2f259fa3e83a
permissions -rw-r--r--
Improve debug tracing of AknGlobalNote::StartL - Bug 2673
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Pinch touch gesture recognizer.
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*
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*/
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#include "akntouchgesturefwdefs.h"
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#include "akntouchgesturefwevent.h"
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#include "akntouchgesturefwpinchrecognizer.h"
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#include "akntouchgesturefwsettings.h"
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using namespace AknTouchGestureFw;
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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CAknTouchGestureFwPinchRecognizer* CAknTouchGestureFwPinchRecognizer::NewL(
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    CAknTouchGestureFwRecognitionEngine& aEngine )
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    {
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    CAknTouchGestureFwPinchRecognizer* self =
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        CAknTouchGestureFwPinchRecognizer::NewLC( aEngine );
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    CleanupStack::Pop( self );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// Two-phased constructor.
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// ---------------------------------------------------------------------------
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//
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CAknTouchGestureFwPinchRecognizer* CAknTouchGestureFwPinchRecognizer::NewLC(
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        CAknTouchGestureFwRecognitionEngine& aEngine )
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    {
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    CAknTouchGestureFwPinchRecognizer* self
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        = new ( ELeave ) CAknTouchGestureFwPinchRecognizer( aEngine );
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    CleanupStack::PushL( self );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// Destructor
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// ---------------------------------------------------------------------------
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//
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CAknTouchGestureFwPinchRecognizer::~CAknTouchGestureFwPinchRecognizer()
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    {
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    }
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// ---------------------------------------------------------------------------
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// Returns the pinch gesture group.
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// ---------------------------------------------------------------------------
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//
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TAknTouchGestureFwGroup CAknTouchGestureFwPinchRecognizer::GestureGroup() const
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    {
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    return EAknTouchGestureFwGroupPinch;
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    }
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// ---------------------------------------------------------------------------
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// Cancels the gesture recognition.
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// ---------------------------------------------------------------------------
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//
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void CAknTouchGestureFwPinchRecognizer::CancelRecognizing()
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    {
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    if ( iContinuousFeedback )
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        {
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        StopContinuousFeedback();
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        iContinuousFeedback = EFalse;
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        }
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    if ( iPinchDetected )
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        {
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        // We ignore the possible leave in order to ensure that the
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        // state gets reset.
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        TRAP_IGNORE( SendPinchEventL( EAknTouchGestureFwStop, 0 ) );
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        }
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    Reset();
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    }
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// ---------------------------------------------------------------------------
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// Handles single-touch pointer events.
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// ---------------------------------------------------------------------------
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//
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void CAknTouchGestureFwPinchRecognizer::HandleSinglePointerEventL(
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        const TPointerEventData& /*aPointerData*/ )
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    {
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    // No single touch event handling in pinch recognizer
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    }
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// ---------------------------------------------------------------------------
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// Handles multi-touch pointer events.
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// ---------------------------------------------------------------------------
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//
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void CAknTouchGestureFwPinchRecognizer::HandleMultiPointerEventL(
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        const TPointerEventData& aPointerData,
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        const TPoint& aFirstPointerPosition,
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        const TPoint& aSecondPointerPosition )
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parents:
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   115
    {
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   116
    // Handle event
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   117
    switch ( aPointerData.iPointerEvent.iType )
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   118
        {
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   119
        case TPointerEvent::EButton1Down:
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   120
            {
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   121
            StartMultiRecognizing( 
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   122
                aFirstPointerPosition,
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   123
                aSecondPointerPosition );
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   124
            break;
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   125
            }
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diff changeset
   126
            
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   127
        case TPointerEvent::EDrag:
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   128
            {
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   129
            MultiRecognizeL( 
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   130
                aPointerData.iTimeStamp,
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   131
                aFirstPointerPosition,
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   132
                aSecondPointerPosition );
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   133
            break;
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   134
            }
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   135
        case TPointerEvent::EButton1Up:
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   136
            {
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   137
            CompleteMultiRecognizingL( aPointerData.iTimeStamp );
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parents:
diff changeset
   138
            break;
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   139
            }
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   140
        default:
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   141
            {
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   142
            break;
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parents:
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   143
            }
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   144
        }
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   145
    }
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parents:
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   146
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parents:
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   147
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   148
// ---------------------------------------------------------------------------
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   149
// C++ constructor.
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   150
// ---------------------------------------------------------------------------
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   151
//
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   152
CAknTouchGestureFwPinchRecognizer::CAknTouchGestureFwPinchRecognizer(
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   153
    CAknTouchGestureFwRecognitionEngine& aEngine )
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parents:
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   154
    : CAknTouchGestureFwBaseRecognizer( aEngine )
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parents:
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   155
    {
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   156
    Reset();
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   157
    }
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parents:
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   158
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parents:
diff changeset
   159
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   160
// ---------------------------------------------------------------------------
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   161
// Starts recognizing the pinch gesture.
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   162
// ---------------------------------------------------------------------------
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   163
//
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diff changeset
   164
void CAknTouchGestureFwPinchRecognizer::StartMultiRecognizing(
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parents:
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   165
        const TPoint& aFirstPointerPos,
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   166
        const TPoint& aSecondPointerPos )
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parents:
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   167
    {
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parents:
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   168
    // Initialize members for multi recognition.
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   169
    Reset();
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diff changeset
   170
    
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   171
    iPinchRect = CalculateBoundingRect( aFirstPointerPos, aSecondPointerPos );
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parents:
diff changeset
   172
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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   173
    TTouchFeedbackType feedbackType( FeedbackType( EAknTouchGestureFwPinch ) );
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parents:
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   174
    if ( feedbackType )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   175
        {
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parents:
diff changeset
   176
        ImmediateFeedback( ETouchFeedbackSensitive, feedbackType );
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parents:
diff changeset
   177
        ImmediateFeedback( ETouchFeedbackSensitive, feedbackType );
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parents:
diff changeset
   178
        }
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parents:
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   179
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   180
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   181
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   182
// ---------------------------------------------------------------------------
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parents:
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   183
// Continues recognizing the pinch gesture.
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   184
// Called for every drag-event when more than one pointer is down.
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   185
// Threshold handling for pinch is implemented here.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
// ---------------------------------------------------------------------------
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   187
//
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parents:
diff changeset
   188
void CAknTouchGestureFwPinchRecognizer::MultiRecognizeL(
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   189
        const TTime& aEventTime,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   190
        const TPoint& aFirstPointerPos,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
        const TPoint& aSecondPointerPos )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
    {    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
    const TInt pinchThreshold = iPinchDetected ? 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
        PinchMovementThreshold() : PinchInitialThreshold();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
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parents:
diff changeset
   196
    // We use boundingRect instead of individual positions, because
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
    // those positions are not stable with all HW. Instead, bounding rect is.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
    TRect boundingRect = 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
        CalculateBoundingRect( aFirstPointerPos, aSecondPointerPos );
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parents:
diff changeset
   200
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parents:
diff changeset
   201
    // Snap to iPinchRect values.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
    TRect normalizedRect = boundingRect;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
    NormalizeValue( normalizedRect.iTl.iX, iPinchRect.iTl.iX, pinchThreshold );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
    NormalizeValue( normalizedRect.iTl.iY, iPinchRect.iTl.iY, pinchThreshold );
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   205
    NormalizeValue( normalizedRect.iBr.iX, iPinchRect.iBr.iX, pinchThreshold );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
    NormalizeValue( normalizedRect.iBr.iY, iPinchRect.iBr.iY, pinchThreshold );
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parents:
diff changeset
   207
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
    // Determine if width or height should be ignored. 
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   209
    // If length of a dimension is close to zero, it's assumed that 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
    // those values may be unreliable.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
    const TInt dimensionThreshold = PinchDimensionThreshold();
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   212
    TBool ignoreWidth =
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
        ( boundingRect.Width() < dimensionThreshold ) ||
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
        ( normalizedRect.Width() < dimensionThreshold ) ||
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
        ( iPinchRect.Width() < dimensionThreshold );
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   216
    TBool ignoreHeight =
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
        ( boundingRect.Height() < dimensionThreshold ) ||
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
        ( normalizedRect.Height() < dimensionThreshold ) ||
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parents:
diff changeset
   219
        ( iPinchRect.Height() < dimensionThreshold );
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   220
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
    // Calculate change in width & height.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
    TInt widthDelta = ( normalizedRect.Width() - iPinchRect.Width() );
2f259fa3e83a Revision: 201003
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parents:
diff changeset
   223
    TInt heightDelta = ( normalizedRect.Height() - iPinchRect.Height() );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
       
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
    TBool handleEvent = EFalse;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
    if ( normalizedRect != iPinchRect )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   227
        {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   228
        handleEvent = ETrue;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
        iPinchRect = normalizedRect;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   230
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   231
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   232
    if ( ignoreWidth )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   233
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   234
        widthDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   235
        iStoredWidthDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   236
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   237
    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   238
    if ( ignoreHeight )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   239
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   240
        heightDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   241
        iStoredHeightDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   242
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   243
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   244
    // Pinch values are sent in a slight delay in order to prevent
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   245
    // sending of incorrect values when pointer coordinates are
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   246
    // snapped to horizontal/vertical line as snapping tends to
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   247
    // happen with two events (one for each pointer).
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   248
    //
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   249
    // Events are sent here.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   250
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   251
    TInt oldStoredWidthDelta = iStoredWidthDelta;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   252
    TInt oldStoredHeightDelta = iStoredHeightDelta;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   253
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   254
    if ( oldStoredWidthDelta || oldStoredHeightDelta )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   255
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   256
        iStoredWidthDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   257
        iStoredHeightDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   258
    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   259
        TInt movement = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   260
        
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   261
        if ( CheckDurationThreshold( aEventTime ) )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   262
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   263
            movement = 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   264
                CalculateMovement( 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   265
                    oldStoredWidthDelta,
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   266
                    oldStoredHeightDelta );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   267
            }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   268
            
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   269
    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   270
        if ( movement )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   271
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   272
            if ( iPinchDetected )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   273
                {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   274
                SendPinchEventL( EAknTouchGestureFwOn, movement );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   275
                }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   276
            else
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   277
                {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   278
                iPinchDetected = ETrue;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   279
                SendPinchEventL( EAknTouchGestureFwStart, movement );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   280
                }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   281
            }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   282
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   283
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   284
    if ( !handleEvent )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   285
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   286
        // No change, no need to continue
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   287
        return;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   288
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   289
    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   290
    // Now it is guaranteed that widthDelta or heightDelta does not equal
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   291
    // to zero.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   292
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   293
    // Update width direction tracer
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   294
    if ( !ignoreWidth )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   295
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   296
        iPinchWidthTracer.Update( 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   297
            widthDelta, 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   298
            PinchDirectionChangeSensitivity() );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   299
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   300
    else
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   301
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   302
        // Cannot say anything about this direction - snapped together
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   303
        iPinchWidthTracer.Reset();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   304
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   305
    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   306
    // Update height direction tracer
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   307
    if ( !ignoreHeight )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   308
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   309
        iPinchHeightTracer.Update( 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   310
            heightDelta, 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   311
            PinchDirectionChangeSensitivity() );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   312
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   313
    else
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   314
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   315
        // Cannot say anything about this direction - snapped together
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   316
        iPinchHeightTracer.Reset();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   317
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   318
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   319
    // Reset direction tracer if height changes but width stays the same.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   320
    if ( widthDelta )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   321
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   322
        iResetPinchWidthTracer = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   324
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   325
    if ( !widthDelta && heightDelta )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   327
        if ( iResetPinchWidthTracer >= PinchDirectionResetSensitivity() )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   328
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
            iPinchWidthTracer.Reset();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
            iResetPinchWidthTracer = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
            }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
        else
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
            iResetPinchWidthTracer++;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
            }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
    // Reset direction tracer if width changes but height stays the same.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
    if ( heightDelta )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
        iResetPinchHeightTracer = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
            
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
    if ( !heightDelta && widthDelta )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
        if ( iResetPinchHeightTracer >= PinchDirectionResetSensitivity() )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
            iPinchHeightTracer.Reset();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
            iResetPinchHeightTracer = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
            }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
        else
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
            iResetPinchHeightTracer++;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
            }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
    TInt pinchWidthDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
    TInt pinchHeightDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
    if ( widthDelta >= 0 && heightDelta >= 0 )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
        TDirectionTracer::TDirection widthDir = 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
            iPinchWidthTracer.Direction();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
        TDirectionTracer::TDirection heightDir = 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
            iPinchHeightTracer.Direction();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
                
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
        if ( ( widthDir == TDirectionTracer::EDirectionPositive && 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
               heightDir != TDirectionTracer::EDirectionNegative ) || 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
             ( heightDir == TDirectionTracer::EDirectionPositive && 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
               widthDir != TDirectionTracer::EDirectionNegative ) )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
            pinchWidthDelta = widthDelta; 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
            pinchHeightDelta = heightDelta; 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
            }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
    else if ( widthDelta <= 0 && heightDelta <= 0 )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
        TDirectionTracer::TDirection widthDir = 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
            iPinchWidthTracer.Direction();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
        TDirectionTracer::TDirection heightDir = 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
            iPinchHeightTracer.Direction();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
                
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
        if ( ( widthDir == TDirectionTracer::EDirectionNegative && 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
               heightDir != TDirectionTracer::EDirectionPositive ) || 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
             ( heightDir == TDirectionTracer::EDirectionNegative && 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
               widthDir != TDirectionTracer::EDirectionPositive ) )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
            pinchWidthDelta = widthDelta;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
            pinchHeightDelta = heightDelta;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
            }                
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
    else
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
        // Ignore mixed changes.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
    // Pinch values are sent in a slight delay in order to prevent
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
    // sending of incorrect values when pointer coordinates are
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
    // snapped to horizontal/vertical line.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
    //
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
    // Now just store delta values here.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
    iStoredTime = aEventTime;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
    iStoredWidthDelta = pinchWidthDelta;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
    iStoredHeightDelta = pinchHeightDelta;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
// Ends the recognition of the pinch gesture.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
void CAknTouchGestureFwPinchRecognizer::CompleteMultiRecognizingL(
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
        const TTime& aEventTime )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
    if ( iContinuousFeedback )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
        StopContinuousFeedback();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
        iContinuousFeedback = EFalse;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
    // Send Pinch stopped event only if pinch was detected
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
    if ( iPinchDetected )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
        TInt movement = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
        
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
        if ( CheckDurationThreshold( aEventTime ) )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
            movement = 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
                CalculateMovement( 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
                    iStoredWidthDelta, 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
                    iStoredHeightDelta );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
            }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
        iStoredWidthDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
        iStoredHeightDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
        SendPinchEventL( EAknTouchGestureFwStop, movement );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
// Resets the recognizer state.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
void CAknTouchGestureFwPinchRecognizer::Reset()
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
    iPinchDetected = EFalse;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
    iPinchRect.SetRect( 0, 0, 0, 0 );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
    iPinchWidthTracer.Reset();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
    iPinchHeightTracer.Reset();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
    iResetPinchWidthTracer = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
    iResetPinchHeightTracer = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
    iStoredWidthDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
    iStoredHeightDelta = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
// Sends a pinch gesture event to the observer.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
void CAknTouchGestureFwPinchRecognizer::SendPinchEventL(
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
    TAknTouchGestureFwState aGestureState,
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
    TInt aMovementDelta )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
    if ( aGestureState != EAknTouchGestureFwStop )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
        TTouchFeedbackType feedbackType(
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
            FeedbackType( EAknTouchGestureFwPinch ) );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
        if ( feedbackType & ETouchFeedbackVibra )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
            {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
            StartContinuousFeedback( ETouchContinuousSmooth,
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
                KAknTouchGestureFwFeedbackIntensity,
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
                KAknTouchGestureFwPinchFeedbackTimeout );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
            iContinuousFeedback = ETrue;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
            }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
        
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
    TAknTouchGestureFwPinchEvent pinch;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
    pinch.SetState( aGestureState );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
    pinch.SetMovement( aMovementDelta );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
    SendGestureEventL( pinch );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
// Returns pinch initial threshold.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
TInt CAknTouchGestureFwPinchRecognizer::PinchInitialThreshold() const
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
    return Settings().PinchInitialThreshold();    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
// Returns pinch movement threshold.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
TInt CAknTouchGestureFwPinchRecognizer::PinchMovementThreshold() const
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
    return Settings().PinchMovementThreshold();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
// Returns pinch direction change sensitivity.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
TInt CAknTouchGestureFwPinchRecognizer::PinchDirectionChangeSensitivity() const
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
    return Settings().PinchDirectionChangeSensitivity();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
// Returns pinch direction reset sensitivity.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
TInt CAknTouchGestureFwPinchRecognizer::PinchDirectionResetSensitivity() const
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
    return Settings().PinchDirectionResetSensitivity();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
// Returns pinch dimension threshold.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
TInt CAknTouchGestureFwPinchRecognizer::PinchDimensionThreshold() const
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
    return Settings().PinchDimensionThreshold();
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
// Returns pinch maximum confirmation duration.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
// ----------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
TInt CAknTouchGestureFwPinchRecognizer::PinchMaximumConfirmationDuration() 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
    const
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
    return Settings().PinchMaximumConfirmationDuration() * 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
           KMicroSecondsInMilliSecond;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
// Calculates bounding rect so that both aPoint1 and aPoint2 are inside
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
// the rectangle.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
TRect CAknTouchGestureFwPinchRecognizer::CalculateBoundingRect( 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
        const TPoint& aPoint1, 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
        const TPoint& aPoint2 )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
    TRect result;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
    result.iTl.iX = Min( aPoint1.iX, aPoint2.iX );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
    result.iTl.iY = Min( aPoint1.iY, aPoint2.iY );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
    result.iBr.iX = Max( aPoint1.iX, aPoint2.iX ) + 1;  
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
    result.iBr.iY = Max( aPoint1.iY, aPoint2.iY ) + 1;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
    return result;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
// Snaps aValue to aReference if they are sufficiently close 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
// (defined by aMargin).
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
void CAknTouchGestureFwPinchRecognizer::NormalizeValue( 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
        TInt& aValue, 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
        TInt aReference, 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
        TInt aMargin )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
    if ( Abs( aReference - aValue ) < aMargin )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
        aValue = aReference;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
// Calculates movement value 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
TInt CAknTouchGestureFwPinchRecognizer::CalculateMovement( 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
        TInt aWidthDelta, 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
        TInt aHeightDelta )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
    TInt result = 0;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
    if ( aWidthDelta >= 0 && aHeightDelta >= 0 )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
        result = Max( aWidthDelta, aHeightDelta );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
    else if ( aWidthDelta <= 0 && aHeightDelta <= 0 )
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
        result = Min( aWidthDelta, aHeightDelta );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
    else
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
        {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
        // Mixed case, return 'no movement'.
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
        }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
    return result;
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
// Checks duration threshold. 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
// ---------------------------------------------------------------------------
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
//
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
TBool CAknTouchGestureFwPinchRecognizer::CheckDurationThreshold( 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
        const TTime& aEventTime ) const
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
    {
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
    TTimeIntervalMicroSeconds duration = 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
        aEventTime.MicroSecondsFrom( iStoredTime );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
    TTimeIntervalMicroSeconds durationThreshold( 
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
        PinchMaximumConfirmationDuration() );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
    
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
    return ( duration < durationThreshold );
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
    }
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
2f259fa3e83a Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
// End of File