homescreenapp/stateplugins/hsapplibrarystateplugin/src/hslistviewitem.cpp
author hgs
Mon, 13 Sep 2010 13:03:23 +0300
changeset 86 e4f038c420f7
parent 71 1db7cc813a4e
child 90 3ac3aaebaee5
permissions -rw-r--r--
201036
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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: List View Item.
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 *
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 */
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#include <hbnamespace.h>
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#include <HbAbstractItemView>
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#include <HbStyleLoader>
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#include <HbTextItem>
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#include <HbParameterLengthLimiter>
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#include <QPainter>
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#include <caitemmodel.h>
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#include "hsmenuitemmodel.h"
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#include "hslistviewitem.h"
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// TODO: this is only temporary class for show progress bar.
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// It should be remove when fix from orbit will be in official platfrom.
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// Remove it from header too.
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// It is only about paint method.
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#ifdef COVERAGE_MEASUREMENT
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#pragma CTC SKIP
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#endif //COVERAGE_MEASUREMENT
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void HsProgressBar::paint(QPainter * painter, 
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        const QStyleOptionGraphicsItem * option, 
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        QWidget * widget)
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{
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    Q_UNUSED(widget)
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    QStyleOptionGraphicsItem pixmapOption(*option);
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    foreach (QGraphicsItem *child, childItems()) {
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        painter->save();            
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        painter->translate(child->pos());
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        pixmapOption.exposedRect = child->boundingRect();
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        child->paint(painter, &pixmapOption, 0);
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        foreach (QGraphicsItem *child2, child->childItems()) {
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            if (child2->isVisible()) {
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                painter->save();            
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                painter->translate(child2->pos());
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                pixmapOption.exposedRect = child2->boundingRect();
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                child2->paint(painter, &pixmapOption, 0);
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                painter->restore(); 
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            }
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        }
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        painter->restore();
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    }
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}    
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#ifdef COVERAGE_MEASUREMENT
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#pragma CTC ENDSKIP
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#endif //COVERAGE_MEASUREMENT
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void HsProgressBar::setTargetProgressValue(int value) {
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    mTargetValue = value;
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    if (value > progressValue() && value <= maximum()) {
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        if (!mTimerId) {
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            mTimerId = startTimer(10);
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        }
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    } else {
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        setProgressValue(value);
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    }
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}
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void HsProgressBar::timerEvent(QTimerEvent *event)
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 {
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     if (mTargetValue == progressValue()) {
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         killTimer(mTimerId);
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         mTimerId = 0;
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     } else {
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         setProgressValue(progressValue()+1);
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     }
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 }
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HsListViewItem::HsListViewItem(QGraphicsItem* parent) : 
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    HbListViewItem(parent), progress(0), isProgress(false)
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{   
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    setGraphicsSize(LargeIcon);
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    setStretchingStyle(StretchLandscape);
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    if (this == prototype()) {
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        HbStyleLoader::registerFilePath(":/layout/hslistviewitem.css");        
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    }
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}
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HsListViewItem::~HsListViewItem()
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{
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    if (this == prototype()) {
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        HbStyleLoader::unregisterFilePath(":/layout/hslistviewitem.css");
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        HbStyleLoader::unregisterFilePath(":/layout/hslistviewitem.widgetml");
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    }
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}
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void HsListViewItem::updateChildItems()
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{
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    HbListViewItem::updateChildItems();
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    EntryFlags flags = modelIndex().data(
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        CaItemModel::FlagsRole).value<EntryFlags> ();
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    isProgress = false;
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    if (flags & UninstallEntryFlag) {
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        int progresVal = modelIndex().data(
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                CaItemModel::UninstalRole).toInt();
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        isProgress = true;
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        if (!progress) {
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            progress = new HsProgressBar(this);
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            HbStyle::setItemName(progress, "progress"); 
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            progress->setRange(0, 100);
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            HbEffect::disable(progress);  
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            progress->setProgressValue(progresVal);
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            repolish();
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            connect(progress, SIGNAL(valueChanged(int)), SLOT(updatePixmapCache()));
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        }
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        progress->setTargetProgressValue(progresVal);
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        // TODO, consider moving this logic to model
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        foreach (QGraphicsItem * item, this->childItems()) {
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               if (HbStyle::itemName(item) == "text-1") {
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                   HbTextItem* text = (HbTextItem*)item;
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                   text->setText(
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                           HbParameterLengthLimiter("txt_applib_dblist_uninstalling_1")
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                           .arg(text->text()));
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                   break;
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               } 
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           }
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    } else if (progress) {       
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        disconnect(progress, SIGNAL(valueChanged()));
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        delete progress;
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        progress = 0;
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        repolish();
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    }
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    // hide text-2 if we have to 
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    foreach (QGraphicsItem * item, this->childItems()) {
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        if (HbStyle::itemName(item) == "text-2") {
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            item->setVisible(!isProgress);            
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            break;
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        } 
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    }
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}
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HbAbstractViewItem*  HsListViewItem::createItem()
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{
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    return new HsListViewItem(*this);
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}
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void HsListViewItem::polish(HbStyleParameters& params)
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{       
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    if (isProgress) {
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        HbStyleLoader::registerFilePath(":/layout/hslistviewitem.widgetml");
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    }
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    HbListViewItem::setProperty("progress", isProgress);
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    HbListViewItem::polish(params);   
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    if (isProgress) {
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        HbStyleLoader::unregisterFilePath(":/layout/hslistviewitem.widgetml");
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    }
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}
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