--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/views/fullscreenview/src/glxcoverflow.cpp Fri Mar 19 09:28:59 2010 +0200
@@ -0,0 +1,571 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: ?Description
+*
+*/
+
+
+//Includes
+#include <hbiconitem.h>
+#include <QAbstractItemModel>
+#include <QGraphicsSceneMouseEvent>
+#include <QDebug>
+
+//User Includes
+#include <glxmodelparm.h>
+#include <glxcoverflow.h>
+
+
+const int KMoveX = 60; //coverflow auto move speed
+
+GlxCoverFlow::GlxCoverFlow(QGraphicsItem *parent ) : HbScrollArea(parent), mSelItemIndex (0),
+ mRows(0), mSelIndex (0), mStripLen (0), mCurrentPos(0),
+ mItemSize (QSize(0,0)), mModel ( NULL), mMoveDir(NO_MOVE), rotAngle(0)
+{
+//TO:DO through exception
+ qDebug("GlxCoverFlow::GlxCoverFlow");
+}
+
+void GlxCoverFlow::setCoverFlow()
+{
+
+ qDebug("GlxCoverFlow::setCoverFlow");
+ for ( qint8 i = 0; i < NBR_ICON_ITEM ; i++ ) {
+ mIconItem[i] = new HbIconItem(this);
+ mIconItem[i]->setBrush(QBrush(Qt::black));
+ mIconItem[i]->setSize(QSize(0,0));
+ }
+ mUiOn = FALSE;
+ mBounceBackDeltaX = 10;
+ connect( this, SIGNAL( autoLeftMoveSignal() ), this, SLOT( autoLeftMove() ), Qt::QueuedConnection );
+ connect( this, SIGNAL( autoRightMoveSignal() ), this, SLOT( autoRightMove() ), Qt::QueuedConnection );
+ HbEffect::add( QString("HbIconItem"), QString(":/data/transitionrotate0.fxml"), QString( "RotateImage0" ));
+ HbEffect::add( QString("HbIconItem"), QString(":/data/transitionrotate90.fxml"), QString( "RotateImage90" ));
+ HbEffect::add( QString("HbIconItem"), QString(":/data/transitionrotate180.fxml"), QString( "RotateImage180" ));
+ HbEffect::add( QString("HbIconItem"), QString(":/data/transitionrotate270.fxml"), QString( "RotateImage270" ));
+}
+
+void GlxCoverFlow::setItemSize(QSize &size)
+{
+ qDebug("GlxCoverFlow::setSize width = %d",size.width() );
+ if( mItemSize != size) {
+ mItemSize = size;
+ resetCoverFlow();
+ }
+}
+
+void GlxCoverFlow::setModel(QAbstractItemModel *model)
+{
+ qDebug("GlxCoverFlow::setModel model change = %d", model );
+
+ if ( model == mModel) {
+ return ;
+ }
+
+ clearCurrentModel();
+ mModel = model;
+ initializeNewModel();
+ resetCoverFlow();
+}
+
+void GlxCoverFlow::indexChanged( int index )
+{
+ qDebug("GlxCoverFlow::indexChanged index = %d mSelIndex = %d ",index, mSelIndex );
+ if ( index != mSelIndex && mModel) {
+ loadIconItems();
+ if(rotAngle) {
+ rotAngle = 0;
+ //HbEffect::start(mIconItem[mSelItemIndex], QString("HbIconItem"), QString("RotateImage270"), this, "rotationEffectFinished" );
+ mIconItem[mSelItemIndex]->resetTransform();
+ mIconItem[mSelItemIndex]->resize(mItemSize);
+ }
+ }
+}
+
+void GlxCoverFlow::rotateImage ()
+{
+ qDebug("GlxCoverFlow::rotateImage ");
+ if(rotAngle == 0)
+ {
+ HbEffect::start(mIconItem[mSelItemIndex], QString("HbIconItem"), QString("RotateImage0"), this, "rotationEffectFinished" );
+ }
+ if(rotAngle == 90)
+ {
+ HbEffect::start(mIconItem[mSelItemIndex], QString("HbIconItem"), QString("RotateImage90"), this, "rotationEffectFinished" );
+ }
+ if(rotAngle == 180)
+ {
+ HbEffect::start(mIconItem[mSelItemIndex], QString("HbIconItem"), QString("RotateImage180"), this, "rotationEffectFinished" );
+ }
+ if(rotAngle == 270)
+ {
+ HbEffect::start(mIconItem[mSelItemIndex], QString("HbIconItem"), QString("RotateImage270"), this, "rotationEffectFinished" );
+ }
+
+ rotAngle += 90;
+ rotAngle %= 360;
+
+}
+
+void GlxCoverFlow::rotationEffectFinished (const HbEffect::EffectStatus &status)
+{
+ Q_UNUSED(status)
+
+ qDebug("GlxCoverFlow::rotationEffectFinished");
+ QSize itemSize = mItemSize;
+ if((rotAngle == 90) || (rotAngle == 270)) {
+ itemSize.transpose();
+ }
+ mIconItem[mSelItemIndex]->resetTransform();
+ mIconItem[mSelItemIndex]->resize(itemSize);
+ mIconItem[mSelItemIndex]->setPos((mItemSize.width() - itemSize.width())/2, (mItemSize.height() - itemSize.height())/2 );
+ QTransform rotateTransform = mIconItem[mSelItemIndex]->transform();
+ rotateTransform.translate((mItemSize.width()/2)-((mItemSize.width() - itemSize.width())/2),(mItemSize.height()/2) - ((mItemSize.height() - itemSize.height())/2));
+ rotateTransform.rotate(rotAngle);
+ rotateTransform.translate(-((mItemSize.width()/2)-((mItemSize.width() - itemSize.width())/2)),-((mItemSize.height()/2) - ((mItemSize.height() - itemSize.height())/2)));
+ mIconItem[mSelItemIndex]->setTransform(rotateTransform);
+
+}
+
+void GlxCoverFlow::panGesture ( const QPointF & delta )
+{
+ qDebug("GlxCoverFlow::panGesture deltaX= %d", (int)delta.x());
+
+ move((int) delta.x());
+ if( delta.x() > 0 ) {
+ mMoveDir = RIGHT_MOVE;
+ }
+ else if ( delta.x() < 0) {
+ mMoveDir = LEFT_MOVE;
+ }
+
+ if ( mUiOn == TRUE ) {
+ emit coverFlowEvent( PANNING_START_EVENT );
+ mUiOn = FALSE;
+ }
+}
+
+void GlxCoverFlow::leftGesture(int value)
+{
+ Q_UNUSED(value);
+ qDebug("GlxCoverFlow::leftGesture CurrentPos= %d value %d", mCurrentPos, value);
+ mMoveDir = NO_MOVE;
+ mBounceBackDeltaX = mItemSize.width() >> 2;
+ emit autoLeftMoveSignal();
+ if ( mUiOn == TRUE ) {
+ mUiOn = FALSE;
+ emit coverFlowEvent( PANNING_START_EVENT );
+ }
+}
+
+void GlxCoverFlow::rightGesture(int value)
+{
+ Q_UNUSED(value);
+ qDebug("GlxCoverFlow::rightGesture CurrentPos= %d value %d ", mCurrentPos, value);
+ mMoveDir = NO_MOVE;
+ mBounceBackDeltaX = mItemSize.width() >> 2;
+ emit autoRightMoveSignal();
+ if ( mUiOn == TRUE ) {
+ mUiOn = FALSE;
+ emit coverFlowEvent( PANNING_START_EVENT );
+ }
+}
+
+void GlxCoverFlow::longPressGesture(const QPointF &point)
+{
+ qDebug("GlxCoverFlow::longPressGesture x = %d y = %d", point.x(), point.y());
+ mMoveDir = LONGPRESS_MOVE;
+}
+
+void GlxCoverFlow::dataChanged(QModelIndex startIndex, QModelIndex endIndex)
+{
+ Q_UNUSED(endIndex);
+ qDebug("GlxCoverFlow::dataChanged startIndex = %d mSelIndex = %d ", startIndex.row(), mSelIndex );
+
+ int index = 0;
+ for (int i = 0; i < NBR_ICON_ITEM ; i++) {
+ index = calculateIndex( mSelIndex + i - 2);
+ if ( index == startIndex.row() ) {
+ index = ( mSelItemIndex + i - 2 + NBR_ICON_ITEM ) % NBR_ICON_ITEM;
+ qDebug("GlxCoverFlow::dataChanged index = %d mSelItemIndex = %d ", index, mSelItemIndex );
+
+ QVariant variant = mModel->data( startIndex, GlxFsImageRole );
+ if ( variant.isValid() && variant.canConvert<HbIcon> () ) {
+ mIconItem[index]->setIcon ( variant.value<HbIcon>() ) ;
+ }
+ else {
+ mIconItem[index]->setIcon( HbIcon() );
+ }
+ //break;
+ }
+ }
+}
+
+void GlxCoverFlow::rowsInserted(const QModelIndex &parent, int start, int end)
+{
+ qDebug("GlxCoverFlow::rowsInserted");
+ Q_UNUSED(parent);
+ Q_UNUSED(start);
+ Q_UNUSED(end);
+ resetCoverFlow();
+ emit changeSelectedIndex ( mModel->index ( mSelIndex, 0 ) ) ;
+}
+
+void GlxCoverFlow::rowsRemoved(const QModelIndex &parent, int start, int end)
+{
+ Q_UNUSED(parent);
+ Q_UNUSED(start);
+ Q_UNUSED(end);
+ qDebug("GlxCoverFlow::rowsRemoved model %d", mModel);
+
+ if ( mModel->rowCount() <= 0 ) {
+ emit coverFlowEvent( EMPTY_ROW_EVENT );
+ }
+ else {
+ resetCoverFlow();
+ emit changeSelectedIndex ( mModel->index ( mSelIndex, 0 ) ) ;
+ }
+}
+
+void GlxCoverFlow::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+ Q_UNUSED(event);
+ qDebug("GlxCoverFlow::mousePressEvent");
+ mMoveDir = TAP_MOVE;
+}
+
+void GlxCoverFlow::mouseReleaseEvent (QGraphicsSceneMouseEvent *event)
+{
+ Q_UNUSED(event);
+ qDebug("GlxCoverFlow::mouseReleaseEvent move dir %d", mMoveDir);
+
+ switch( mMoveDir ) {
+ case NO_MOVE :
+ break;
+
+ case TAP_MOVE :
+ mMoveDir = NO_MOVE;
+ emit coverFlowEvent( TAP_EVENT );
+ break;
+
+ case LEFT_MOVE:
+ mMoveDir = NO_MOVE;
+ emit autoLeftMoveSignal();
+ break ;
+
+ case RIGHT_MOVE :
+ mMoveDir = NO_MOVE;
+ emit autoRightMoveSignal();
+ break;
+
+ default:
+ break;
+ }
+}
+
+void GlxCoverFlow::autoLeftMove()
+{
+ qDebug("GlxCoverFlow::autoLeftMove ");
+ int width = mItemSize.width() ;
+
+ qDebug("GlxCoverFlow::autoLeftMove current pos = %d mBounceBackDeltaX x = %d", mCurrentPos, mBounceBackDeltaX);
+ //for bounce back effect for last image ( it will do the back)
+ if ( ( mCurrentPos + width ) > ( mStripLen + mBounceBackDeltaX ) && mMoveDir == NO_MOVE ) {
+ mMoveDir = LEFT_MOVE;
+ mBounceBackDeltaX = 10;
+ autoRightMoveSignal();
+ return ;
+ }
+
+ int deltaX = width - mCurrentPos % width ;
+ int moveX = deltaX > KMoveX ? KMoveX : deltaX;
+
+ qDebug("GlxCoverFlow::autoLeftMove delta x = %d current pos = %d move x = %d", deltaX, mCurrentPos, moveX);
+
+ move (-moveX);//move the image
+ deltaX -= moveX; //To know the auto move is required or not
+
+ if ( deltaX ) {
+ emit autoLeftMoveSignal();
+ }
+ else {
+ //for bounce back of first image
+ if ( mMoveDir == RIGHT_MOVE ) {
+ emit autoRightMoveSignal();
+ return;
+ }
+ int selIndex = mCurrentPos / width ;
+ if ( mRows == 1 || selIndex != mSelIndex ) {
+ if(rotAngle) {
+ rotAngle = 0;
+ //HbEffect::start(mIconItem[mSelItemIndex], QString("HbIconItem"), QString("RotateImage270"), this, "rotationEffectFinished" );
+ mIconItem[mSelItemIndex]->resetTransform();
+ mIconItem[mSelItemIndex]->resize(mItemSize);
+ mIconItem[mSelItemIndex]->setPos(- mItemSize.width(), 0);
+ }
+ mSelIndex = selIndex;
+ mSelItemIndex = ( ++mSelItemIndex ) % NBR_ICON_ITEM;
+ selIndex = ( mSelItemIndex + 2 ) % NBR_ICON_ITEM;
+ updateIconItem( mSelIndex + 2, selIndex, width * 2 ) ;
+ emit changeSelectedIndex ( mModel->index ( mSelIndex, 0 ) ) ;
+ }
+ mMoveDir = NO_MOVE;
+ mBounceBackDeltaX = 10;
+ }
+}
+
+void GlxCoverFlow::autoRightMove()
+{
+ qDebug("GlxCoverFlow::autoRightMove ");
+ int width = mItemSize.width() ;
+ int diffX = mStripLen - mCurrentPos ;
+
+ //for bounce back effect for back image ( it will do the back)
+ qDebug("GlxCoverFlow::autoRightMove diffX x = %d current pos = %d mBounceBackDeltaX x = %d", diffX, mCurrentPos, mBounceBackDeltaX);
+ if ( diffX > mBounceBackDeltaX && diffX < width && mMoveDir == NO_MOVE ){
+ mMoveDir = RIGHT_MOVE;
+ mBounceBackDeltaX = 10;
+ autoLeftMoveSignal();
+ return ;
+ }
+
+ int deltaX = mCurrentPos % width ;
+ //in the case of deltaX == 0 ( right flick case ) complete image should move
+ deltaX = deltaX ? deltaX : width ;
+ int moveX = deltaX > KMoveX ? KMoveX : deltaX;
+
+ qDebug("GlxCoverFlow::autoRightMove delta x = %d current pos = %d move x = %d", deltaX, mCurrentPos, moveX);
+
+ move (moveX);
+ deltaX -= moveX;
+
+ if ( deltaX ) {
+ emit autoRightMoveSignal();
+ }
+ else {
+ //for bounce back of last image
+ if ( mMoveDir == LEFT_MOVE ) {
+ emit autoLeftMoveSignal();
+ return;
+ }
+ int selIndex = mCurrentPos / width ;
+ if ( mRows == 1 || selIndex != mSelIndex ) {
+ if(rotAngle) {
+ rotAngle = 0;
+ //HbEffect::start(mIconItem[mSelItemIndex], QString("HbIconItem"), QString("RotateImage270"), this, "rotationEffectFinished" );
+ mIconItem[mSelItemIndex]->resetTransform();
+ mIconItem[mSelItemIndex]->resize(mItemSize);
+ mIconItem[mSelItemIndex]->setPos(mItemSize.width(), 0);
+
+ }
+ mSelIndex = selIndex;
+ mSelItemIndex = ( mSelItemIndex == 0 ) ? NBR_ICON_ITEM -1 : --mSelItemIndex;
+ selIndex = ( mSelItemIndex + 3 ) % NBR_ICON_ITEM;
+ updateIconItem( mSelIndex - 2, selIndex, - width * 2 ) ;
+ emit changeSelectedIndex ( mModel->index ( mSelIndex, 0 ) ) ;
+ }
+ mMoveDir = NO_MOVE;
+ mBounceBackDeltaX = 10;
+ }
+}
+
+void GlxCoverFlow::move(int value)
+{
+ qDebug("GlxCoverFlow::move ");
+ QPointF pos(0,0);
+
+ for ( qint8 i = 0; i < NBR_ICON_ITEM ; i++ ) {
+ pos.setX( mIconItem[i]->pos().x() + value);
+ pos.setY(mIconItem[i]->pos().y());
+ mIconItem[i]->setPos(pos);
+ }
+
+ mCurrentPos -= value;
+ if ( mCurrentPos < 0 ) {
+ mCurrentPos += mStripLen;
+ }
+ else if ( mCurrentPos >= mStripLen ) {
+ mCurrentPos -= mStripLen;
+ }
+ qDebug("GlxCoverFlow::Move value = %d current pos = %d", value, mCurrentPos);
+}
+
+void GlxCoverFlow::setRows()
+{
+ qDebug("GlxCoverFlow::setRows ");
+ if (mModel) {
+ mRows = mModel->rowCount();
+ }
+ else {
+ mRows = 0;
+ }
+ qDebug("GlxCoverFlow::setRows number of rows = %d", mRows);
+}
+
+void GlxCoverFlow::setStripLen()
+{
+ qDebug("GlxCoverFlow::setStripLen ");
+ mStripLen = mRows * mItemSize.width();
+ qDebug("GlxCoverFlow::setStripLen rows = %d, striplen %d", mRows, mStripLen);
+}
+
+int GlxCoverFlow::calculateIndex(int index)
+{
+ qDebug("GlxCoverFlow::calculateIndex index = %d, mRows = %d", index, mRows);
+
+ if ( mRows == 1 )
+ return 0;
+
+ if ( index < 0 )
+ return ( index + mRows );
+
+ if ( index >= mRows )
+ return ( index - mRows ) ;
+
+ return index;
+}
+
+void GlxCoverFlow::loadIconItems()
+{
+ qDebug("GlxCoverFlow::loadIconItems ");
+ int index = 0;
+ QVariant variant = mModel->data( mModel->index(0,0), GlxFocusIndexRole );
+ if ( variant.isValid() && variant.canConvert<int> () ) {
+ mSelIndex = variant.value<int>();
+ }
+
+ qDebug("GlxCoverFlow::loadIconItems index = %d, width = %d", mSelIndex, size().width() );
+
+ for ( qint8 i = 0; i < NBR_ICON_ITEM ; i++ ) {
+ index = calculateIndex ( mSelIndex - 2 + i) ;
+ QVariant variant = mModel->data( mModel->index(index, 0), GlxFsImageRole );
+ if ( variant.isValid() && variant.canConvert<HbIcon> () ) {
+ mIconItem[i]->setIcon ( variant.value<HbIcon>() ) ;
+ }
+ else {
+ mIconItem[i]->setIcon( HbIcon() );
+ }
+ mIconItem[i]->setSize ( mItemSize );
+ mIconItem[i]->setPos ( QPointF ( (i - 2) * mItemSize.width(), 0) );
+ }
+
+ mSelItemIndex = 2;
+ mCurrentPos = mItemSize.width() * mSelIndex;
+}
+
+void GlxCoverFlow::updateIconItem (qint16 selIndex, qint16 selItemIndex, qint16 posX)
+{
+ qDebug("GlxCoverFlow::updateIconItem selIndex = %d, selIconIndex = %d posX = %d", selIndex, selItemIndex, posX );
+ mIconItem[selItemIndex]->setPos(QPointF(posX, 0));
+
+ selIndex = calculateIndex( selIndex );
+
+ QVariant variant = mModel->data( mModel->index(selIndex, 0), GlxFsImageRole );
+ if ( variant.isValid() && variant.canConvert<HbIcon> () ) {
+ mIconItem[selItemIndex]->setIcon ( variant.value<HbIcon>() ) ;
+ }
+ else {
+ mIconItem[selItemIndex]->setIcon( HbIcon() );
+ }
+ mIconItem[selItemIndex]->setSize ( mItemSize );
+}
+
+
+void GlxCoverFlow::clearCurrentModel()
+{
+ qDebug("GlxCoverFlow::clearCurrentModel ");
+ if ( mModel ) {
+ disconnect( mModel, SIGNAL( dataChanged(QModelIndex,QModelIndex) ), this, SLOT( dataChanged(QModelIndex,QModelIndex) ) );
+ disconnect(mModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(rowsInserted(QModelIndex,int,int)));
+ disconnect(mModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(rowsRemoved(QModelIndex,int,int)));
+ mModel = NULL ;
+ }
+/*
+ disconnect(mModel, SIGNAL(destroyed()), this, SLOT(_q_modelDestroyed()));
+ disconnect(mModel, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)), this, SLOT(rowsAboutToBeRemoved(QModelIndex,int,int)));
+*/
+}
+
+void GlxCoverFlow::initializeNewModel()
+{
+ qDebug("GlxCoverFlow::initializeNewModel" );
+ if ( mModel ) {
+ connect( mModel, SIGNAL( dataChanged(QModelIndex,QModelIndex) ), this, SLOT( dataChanged(QModelIndex,QModelIndex) ) );
+ connect(mModel, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(rowsInserted(QModelIndex,int,int)));
+ connect(mModel, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(rowsRemoved(QModelIndex,int,int)));
+ }
+}
+
+void GlxCoverFlow::resetCoverFlow()
+{
+ qDebug("GlxCoverFlow::resetCoverFlow model %u", mModel );
+ setRows();
+ setStripLen();
+ if ( mModel ) {
+ loadIconItems( ) ;
+ }
+}
+
+void GlxCoverFlow::partiallyClean()
+{
+ qDebug("GlxCoverFlow::partiallyClean Enter");
+ clearCurrentModel(); //during the animation data update will not cause the crash
+ for ( qint8 i = 0; i < NBR_ICON_ITEM ; i++ ) {
+ if ( mSelItemIndex != i){
+ delete mIconItem[i] ;
+ mIconItem[i] = NULL;
+ }
+ }
+}
+
+void GlxCoverFlow::partiallyCreate(QAbstractItemModel *model, QSize itemSize)
+{
+ qDebug("GlxCoverFlow::resetpartiallyCreated");
+ mIconItem[2]->setSize ( itemSize );
+ mIconItem[2]->setPos ( QPointF ( 0, 0) );
+
+ QVariant variant = model->data( model->index(0,0), GlxFocusIndexRole );
+ if ( variant.isValid() && variant.canConvert<int> () ) {
+ mSelIndex = variant.value<int>();
+ qDebug("GlxCoverFlow::partiallyCreated index mSelIndex=%d",mSelIndex);
+ }
+
+ variant = model->data( model->index(mSelIndex, 0), GlxFsImageRole );
+ if ( variant.isValid() && variant.canConvert<HbIcon> () ) {
+ mIconItem[2]->setIcon ( variant.value<HbIcon>() ) ;
+ qDebug("#########################GlxCoverFlow::partiallyCreated,ICON PRES##################");
+ }
+}
+
+GlxCoverFlow::~GlxCoverFlow()
+{
+ qDebug("GlxCoverFlow::~GlxCoverFlow model " );
+}
+
+
+void GlxCoverFlow::ClearCoverFlow()
+{
+ qDebug("GlxCoverFlow::ClearCoverFlow " );
+ disconnect( this, SIGNAL( autoLeftMoveSignal() ), this, SLOT( autoLeftMove() ) );
+ disconnect( this, SIGNAL( autoRightMoveSignal() ), this, SLOT( autoRightMove() ) );
+ clearCurrentModel();
+ for ( qint8 i = 0; i < NBR_ICON_ITEM ; i++ ) {
+ if(mIconItem[i] != NULL )
+ delete mIconItem[i] ;
+ }
+ HbEffect::remove( QString("HbIconItem"), QString(":/data/transitionrotate0.fxml"), QString( "RotateImage0" ));
+ HbEffect::remove( QString("HbIconItem"), QString(":/data/transitionrotate90.fxml"), QString( "RotateImage90" ));
+ HbEffect::remove( QString("HbIconItem"), QString(":/data/transitionrotate180.fxml"), QString( "RotateImage180" ));
+ HbEffect::remove( QString("HbIconItem"), QString(":/data/transitionrotate270.fxml"), QString( "RotateImage270" ));
+}