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/*
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* Copyright (c) 2010 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: Track List Widget for Music Player Media Wall.
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*
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*/
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#include <QGraphicsLinearLayout>
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#include <QGraphicsSceneMouseEvent>
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#include <QBrush>
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#include <hbframeitem.h>
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#include <hbinstance.h>
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#include <hbmainwindow.h>
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#include "mptracklistwidget.h"
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const int swipeAngleTolerance = 30; // angle is from 0 to 360
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MpTrackListWidget::MpTrackListWidget( QGraphicsItem *parent ) : HbWidget( parent )
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{
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mList = new HbListView( );
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QGraphicsLinearLayout *layout = new QGraphicsLinearLayout( );
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layout->addItem( mList );
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setLayout( layout );
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grabGesture(Qt::SwipeGesture);
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mFrameItem = new HbFrameItem( this );
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mFrameItem->frameDrawer().setFrameType( HbFrameDrawer::NinePieces );
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//TODO: REMOVE PAINT and enable frame drawer when graphic is delibered.
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//mFrameItem->frameDrawer().setFrameGraphicsName( "qtg_fr_popup" );
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mFrameItem->setZValue(-1);
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}
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/*!
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\reimp
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*/
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void MpTrackListWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
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{
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mFrameItem->setGeometry( rect() );
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HbWidget::resizeEvent( event );
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}
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/*!
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\reimp
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*/
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void MpTrackListWidget::paint( QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget )
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{
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Q_UNUSED( widget )
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Q_UNUSED( option )
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painter->setPen(Qt::darkGray);
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painter->setBrush(QBrush(Qt::gray ));
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painter->drawRoundedRect( rect(), 4.0 , 4.0 );
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}
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/*!
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\reimp
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*/
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void MpTrackListWidget::gestureEvent(QGestureEvent *event)
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{
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QGesture* gesture = event->gesture(Qt::SwipeGesture);
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if (gesture) {
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QSwipeGesture* swipe = static_cast<QSwipeGesture *>(gesture);
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if (swipe->state() == Qt::GestureFinished &&
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swipeAngleToDirection (swipe->swipeAngle()) == QSwipeGesture::Left ) {
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//Left gesture is the direction in wich the track list slides to close.
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emit close();
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event->accept(Qt::SwipeGesture);
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}
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}
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}
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/*!
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Returns the HbListView instance.
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*/
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HbListView *MpTrackListWidget::list()
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{
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return mList;
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}
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/*!
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Maps swipe angle to SwipeDirection based on a tolerance parameter and orientation.
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*/
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QSwipeGesture::SwipeDirection MpTrackListWidget::swipeAngleToDirection(
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int angle)
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{
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int delta = swipeAngleTolerance;
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if ( hbInstance->allMainWindows()[0]->orientation() == Qt::Horizontal ) {
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//correction for transformation on rotation.
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angle += ( angle < 90 ) ? 270 : -90;
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}
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QSwipeGesture::SwipeDirection direction(QSwipeGesture::NoDirection);
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if ((angle > 90-delta) && (angle < 90+delta)) {
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direction = QSwipeGesture::Up;
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} else if ((angle > 270-delta) && (angle < 270+delta)) {
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direction = QSwipeGesture::Down;
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} else if (((angle >= 0) && (angle < delta))
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|| ((angle > 360-delta) && (angle <= 360))) {
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direction = QSwipeGesture::Right;
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} else if ((angle > 180-delta) && (angle < 180+delta)) {
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direction = QSwipeGesture::Left;
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}
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return direction;
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}
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/*!
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\reimp
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*/
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void MpTrackListWidget::mousePressEvent( QGraphicsSceneMouseEvent *event )
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{
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if ( event->button() == Qt::LeftButton ) {
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event->accept();
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}
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else {
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event->ignore();
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}
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}
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/*!
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\reimp
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*/
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void MpTrackListWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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if ( event->button() == Qt::LeftButton ) {
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event->accept();
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}
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else {
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event->ignore();
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}
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}
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