radioapp/radiowidgets/src/radiostationsview.cpp
branchRCL_3
changeset 45 cce62ebc198e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioapp/radiowidgets/src/radiostationsview.cpp	Tue Aug 31 15:15:02 2010 +0300
@@ -0,0 +1,399 @@
+/*
+* 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:
+*
+*/
+
+// System includes
+#include <HbListView>
+#include <HbAbstractViewItem>
+#include <HbPushButton>
+#include <HbEffect>
+#include <HbAction>
+#include <HbInputDialog>
+#include <HbMenu>
+#include <QSortFilterProxyModel>
+
+// User includes
+#include "radiostationsview.h"
+#include "radiologger.h"
+#include "radiowindow.h"
+#include "radiouiengine.h"
+#include "radiofrequencyscanner.h"
+#include "radiouiloader.h"
+#include "radiostationmodel.h"
+#include "radiostation.h"
+
+// Constants
+const char* REGEX_SHOW_FAVORITES = "true";
+const char* REGEX_SHOW_ALL = ".+";
+
+/*!
+ *
+ */
+RadioStationsView::RadioStationsView() :
+    RadioViewBase( false ),
+    mModel( 0 ),
+    mScanStationsAction( 0 ),
+    mClearListAction( 0 ),
+    mStationsList( 0 ),
+    mFavoritesButton( 0 ),
+    mLocalStationsButton( 0 ),
+    mSelectedStation( new RadioStation ),
+    mCurrentQuestion( NoQuestion )
+{
+}
+
+/*!
+ *
+ */
+RadioStationsView::~RadioStationsView()
+{
+}
+
+/*!
+ *
+ */
+void RadioStationsView::setNowPlayingIcon( const HbIcon& nowPlayingIcon )
+{
+    mNowPlayingIcon = nowPlayingIcon;
+}
+
+/*!
+ *
+ */
+HbIcon RadioStationsView::nowPlayingIcon() const
+{
+    return mNowPlayingIcon;
+}
+
+/*!
+ *
+ */
+void RadioStationsView::setFavoriteIcon( const HbIcon& favoriteIcon )
+{
+    mFavoriteIcon = favoriteIcon;
+}
+
+/*!
+ *
+ */
+HbIcon RadioStationsView::favoriteIcon() const
+{
+    return mFavoriteIcon;
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::handleClick( const QModelIndex& index )
+{
+    LOG_TIMESTAMP( "Channel change started" );
+    QModelIndex sourceIndex = mFilterModel->mapToSource( index );
+    *mSelectedStation = mModel->stationAt( sourceIndex.row() );
+    mUiEngine->setFrequency( mSelectedStation->frequency(), TuneReason::StationsList );
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::handleLongPress( HbAbstractViewItem* item, const QPointF& coords )
+{
+    Q_UNUSED( item );
+
+    HbMenu* menu = mUiLoader->findObject<HbMenu>( DOCML::NAME_CONTEXT_MENU );
+
+    *mSelectedStation = mFilterModel->data( item->modelIndex(), RadioRole::RadioStationRole ).value<RadioStation>();
+
+    HbAction* favoriteAction = mUiLoader->findObject<HbAction>( DOCML::NAME_CONTEXT_FAVORITE );
+
+    if ( mSelectedStation->isFavorite() ) {
+        favoriteAction->setText( hbTrId( "txt_rad_menu_remove_favourite" ) );
+    } else {
+        favoriteAction->setText( hbTrId( "txt_rad_menu_add_to_favourites" ) );
+    }
+
+    HbAction* playAction = mUiLoader->findObject<HbAction>( DOCML::SV_NAME_PLAY_ACTION );
+
+    if ( mSelectedStation->frequency() == mUiEngine->currentFrequency() ) {
+        playAction->setVisible( false );
+    } else {
+        playAction->setVisible( true );
+    }
+
+    menu->setPreferredPos( QPointF( size().width() / 2 - menu->size().width() / 2, coords.y() - menu->size().height() / 2 ) );
+    menu->show();
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::updateAntennaStatus( bool connected )
+{
+    Q_UNUSED( connected );
+    updateVisibilities();
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::updateViewMode()
+{
+    QString section = DOCML::SV_SECTION_SHOW_ALL_STATIONS;
+    QString filter = REGEX_SHOW_ALL;
+
+    if ( sender() == mFavoritesButton ) {
+        section = DOCML::SV_SECTION_SHOW_FAVORITES;
+        filter = REGEX_SHOW_FAVORITES;
+    }
+
+    loadSection( DOCML::FILE_STATIONSVIEW, section );
+    mFilterModel->setFilterRegExp( filter );
+
+    updateVisibilities();
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::startScanning()
+{
+    const int rowCount =  mUiEngine->stationModel().rowCount();
+    mCurrentQuestion = StartScanning;
+    if ( rowCount > 0 ) {
+        askQuestion( hbTrId( "txt_rad_info_all_stations_in_stations_list_will_be" ) );
+    } else {
+        userAccepted();
+    }
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::finishScanning()
+{
+    updateVisibilities();
+    mFrequencyScanner.take();
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::updateVisibilities()
+{
+    LOG_SLOT_CALLER;
+    bool listEmpty = mModel->rowCount() == 0;
+    const bool localStationsMode = !mFavoritesButton->isChecked();
+
+    if ( !localStationsMode ) {
+        listEmpty = mModel->favoriteCount() == 0;
+    }
+
+    mClearListAction->setEnabled( !listEmpty );
+
+    const bool scanAvailable = mUiEngine->isAntennaAttached() && localStationsMode;
+    mScanStationsAction->setEnabled( scanAvailable );
+    HbPushButton* scanButton = mUiLoader->findWidget<HbPushButton>( DOCML::SV_NAME_SCAN_BUTTON );
+    scanButton->setEnabled( scanAvailable );
+
+    loadSection( DOCML::FILE_STATIONSVIEW, listEmpty ? DOCML::SV_SECTION_SHOW_SCAN_TEXT : DOCML::SV_SECTION_HIDE_SCAN_TEXT );
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::clearList()
+{
+    const bool favoriteMode = mFavoritesButton->isChecked();
+    mCurrentQuestion = ClearList;
+    askQuestion( hbTrId( favoriteMode ? "txt_rad_info_clear_favourite_stations_list"
+                                      : "txt_rad_info_clear_all_stations_list" ) );
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::play()
+{
+    LOG("Play from context menu");
+    mUiEngine->setFrequency( mSelectedStation->frequency(), TuneReason::StationsList );
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::rename()
+{
+    HbInputDialog* nameQuery = new HbInputDialog();
+    nameQuery->setAttribute( Qt::WA_DeleteOnClose, true );
+    nameQuery->setDismissPolicy( HbDialog::TapOutside );
+    nameQuery->setPromptText( hbTrId( "txt_rad_dialog_new_name" ) );
+    nameQuery->setInputMode( HbInputDialog::TextInput );
+    nameQuery->setValue( mSelectedStation->name() );
+    nameQuery->setObjectName( DOCML::NAME_INPUT_QUERY );
+    nameQuery->open( this, SLOT(renameDone(HbAction*)) );
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::toggleFavorite()
+{
+    mModel->setFavoriteByPreset( mSelectedStation->presetIndex(), !mSelectedStation->isFavorite() );
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::deleteStation()
+{
+    mCurrentQuestion = DeleteStation;
+    askQuestion( hbTrId( "txt_rad_info_delete_station" ) );
+}
+
+/*!
+ * Private slot
+ *
+ */
+void RadioStationsView::renameDone( HbAction* action )
+{
+    HbInputDialog* dlg = static_cast<HbInputDialog*>( sender() );
+
+    if( action ) {
+        mModel->renameStation( mSelectedStation->presetIndex(), dlg->value().toString() );
+    }
+}
+
+/*!
+ * From RadioViewBase
+ *
+ */
+void RadioStationsView::init()
+{
+    LOG_METHOD;
+    mModel = &mUiEngine->stationModel();
+
+    mFilterModel = new QSortFilterProxyModel( this );
+    mFilterModel->setDynamicSortFilter( true );
+    mFilterModel->setFilterRole( RadioRole::IsFavoriteRole );
+    mFilterModel->setSourceModel( &mUiEngine->stationModel() );
+
+    loadSection( DOCML::FILE_STATIONSVIEW, DOCML::SV_SECTION_SHOW_ALL_STATIONS );
+
+    if ( !mFavoriteIcon.isNull() && !mNowPlayingIcon.isNull() ) {
+        mModel->setIcons( mFavoriteIcon.qicon(), mNowPlayingIcon.qicon() );
+    }
+    mModel->setDetail( RadioStationModel::ShowIcons | RadioStationModel::ShowGenre );
+
+    mStationsList           = mUiLoader->findObject<HbListView>( DOCML::SV_NAME_STATIONS_LIST );
+    mFavoritesButton        = mUiLoader->findObject<HbAction>( DOCML::SV_NAME_FAVORITES_BUTTON );
+    mLocalStationsButton    = mUiLoader->findObject<HbAction>( DOCML::SV_NAME_LOCALS_BUTTON );
+
+    Radio::connect( mUiEngine.data(),       SIGNAL(antennaStatusChanged(bool)),
+                    this,                   SLOT(updateAntennaStatus(bool)) );
+    Radio::connect( mModel,                 SIGNAL(rowsInserted(QModelIndex,int,int)),
+                    this,                   SLOT(updateVisibilities()) );
+    Radio::connect( mModel,                 SIGNAL(rowsRemoved(QModelIndex,int,int)),
+                    this,                   SLOT(updateVisibilities()) );
+    Radio::connect( mModel,                 SIGNAL(modelReset()),
+                    this,                   SLOT(updateVisibilities()) );
+    Radio::connect( mFavoritesButton,       SIGNAL(triggered()),
+                    this,                   SLOT(updateViewMode()) );
+    Radio::connect( mLocalStationsButton,   SIGNAL(triggered() ),
+                    this,                   SLOT(updateViewMode()) );
+    Radio::connect( mStationsList,          SIGNAL(activated(QModelIndex)),
+                    this,                   SLOT(handleClick(QModelIndex)) );
+    Radio::connect( mStationsList,          SIGNAL(longPressed(HbAbstractViewItem*,QPointF)),
+                    this,                   SLOT(handleLongPress(HbAbstractViewItem*,QPointF)) );
+
+    connectCommonMenuItem( MenuItem::Exit );
+    connectXmlElement( DOCML::SV_NAME_SCAN_BUTTON,      SIGNAL(clicked()),
+                       this,                            SLOT(startScanning()) );
+
+    // Context menu actions
+    connectXmlElement( DOCML::SV_NAME_PLAY_ACTION,      SIGNAL(triggered()),
+                       this,                            SLOT(play()) );
+    connectXmlElement( DOCML::SV_NAME_RENAME_ACTION,    SIGNAL(triggered()),
+                       this,                            SLOT(rename()) );
+    connectXmlElement( DOCML::SV_NAME_FAVORITE_ACTION,  SIGNAL(triggered()),
+                       this,                            SLOT(toggleFavorite()) );
+    connectXmlElement( DOCML::SV_NAME_DELETE_ACTION,    SIGNAL(triggered()),
+                       this,                            SLOT(deleteStation()) );
+
+    // "Scan local stations" menu item
+    mScanStationsAction = mUiLoader->findObject<HbAction>( DOCML::SV_NAME_SCAN_ACTION );
+    Radio::connect( mScanStationsAction,   SIGNAL(triggered() ),
+                    this,                   SLOT(startScanning() ) );
+
+    // "Remove all presets" menu item
+    mClearListAction = mUiLoader->findObject<HbAction>( DOCML::SV_NAME_CLEAR_LIST_ACTION );
+    Radio::connect( mClearListAction,   SIGNAL(triggered() ),
+                    this,               SLOT(clearList() ) );
+
+    connectCommonMenuItem( MenuItem::UseLoudspeaker );
+
+    initListView();
+
+    initBackAction();
+
+    updateViewMode();
+}
+
+/*!
+ * \reimp
+ */
+void RadioStationsView::userAccepted()
+{
+    if ( mCurrentQuestion == StartScanning ) {
+        mFrequencyScanner.reset( new RadioFrequencyScanner( *mUiEngine, this ) );
+
+        Radio::connect( mFrequencyScanner.data(),   SIGNAL(frequencyScannerFinished()),
+                        this,                       SLOT(finishScanning()) );
+
+        mFrequencyScanner->startScanning();
+    } else if ( mCurrentQuestion == ClearList ){
+        const bool favoriteMode = mFavoritesButton->isChecked();
+        mModel->removeAll( favoriteMode ? RadioStationModel::RemoveFavorites : RadioStationModel::RemoveAll );
+        updateVisibilities();
+    } else if ( mCurrentQuestion == DeleteStation ) {
+        mModel->removeStation( *mSelectedStation );
+    }
+
+    mCurrentQuestion = NoQuestion;
+}
+
+/*!
+ *
+ */
+void RadioStationsView::initListView()
+{
+    mStationsList->setScrollingStyle( HbListView::PanOrFlick );
+    mStationsList->setModel( mFilterModel );
+    mStationsList->setSelectionMode( HbListView::NoSelection );
+    mStationsList->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
+    //TODO: Uncomment after MCL wk28 release to improve scrolling FPS rate
+    //mStationsList->setItemPixmapCacheEnabled( true );
+}