author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:15:02 +0300 | |
branch | RCL_3 |
changeset 45 | cce62ebc198e |
permissions | -rw-r--r-- |
45
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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: |
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* |
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*/ |
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#ifndef RADIOSTATIONMODEL_H_ |
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#define RADIOSTATIONMODEL_H_ |
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// System includes |
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#include <QAbstractListModel> |
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#include <QScopedPointer> |
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#include <QMap> |
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// User includes |
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#include "radio_global.h" |
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#include "radiouiengineexport.h" |
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#include "radiostation.h" |
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// Forward declarations |
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class RadioStationModelPrivate; |
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class RadioPresetStorage; |
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class RadioStationHandlerIf; |
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class RadioEngineWrapper; |
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class RadioStation; |
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class RadioUiEnginePrivate; |
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class QIcon; |
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// Constants |
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typedef QMap<uint,RadioStation> Stations; |
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namespace FindCriteria |
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{ |
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enum Criteria |
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{ |
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OnlySavedStations, |
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IncludeManualStation |
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}; |
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} |
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// Class declaration |
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class UI_ENGINE_DLL_EXPORT RadioStationModel : public QAbstractListModel |
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{ |
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Q_OBJECT |
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Q_DECLARE_PRIVATE_D( d_ptr.data(), RadioStationModel ) |
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Q_DISABLE_COPY( RadioStationModel ) |
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public: |
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enum DetailFlag |
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{ |
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Minimal = 1 << 0, |
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ShowIcons = 1 << 1, |
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ShowGenre = 1 << 2 |
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}; |
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Q_DECLARE_FLAGS( Detail, DetailFlag ) |
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explicit RadioStationModel( RadioUiEnginePrivate& uiEngine ); |
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~RadioStationModel(); |
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// from base class QAbstractListModel |
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Qt::ItemFlags flags ( const QModelIndex& index ) const; |
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int rowCount( const QModelIndex& parent = QModelIndex() ) const; |
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QVariant data( const QModelIndex& index, int role = Qt::DisplayRole ) const; |
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bool setData( const QModelIndex& index, const QVariant& value, int role = Qt::EditRole ); |
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// New functions |
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/*! |
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* Called by the engine to initialize the list with given amount of presets |
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*/ |
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void initialize( RadioPresetStorage* storage, RadioEngineWrapper* wrapper ); |
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/*! |
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* Sets the icons to be used in the lists |
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*/ |
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void setIcons( const QIcon& favoriteIcon, const QIcon& nowPlayingIcon ); |
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/*! |
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* Returns a reference to the station handler interface |
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*/ |
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RadioStationHandlerIf& stationHandlerIf(); |
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/*! |
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* Returns a reference to the underlying QList so that it can be easily looped |
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*/ |
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const Stations& list() const; |
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/*! |
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* Returns the station at the given index. |
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* The station is returned by value, but it is cheap because it is implicitly shared |
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*/ |
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RadioStation stationAt( int index ) const; |
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/*! |
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* Finds a station by frequency |
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*/ |
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bool findFrequency( uint frequency, RadioStation& station, FindCriteria::Criteria criteria = FindCriteria::OnlySavedStations ) const; |
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/*! |
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* Convenience function to find a radio station. |
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* Internally uses findFrequency() and returns an invalid station if the given frequency is not found |
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*/ |
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RadioStation findStation( uint frequency, FindCriteria::Criteria criteria = FindCriteria::OnlySavedStations ) const; |
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/*! |
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* Functions to find stations by preset index |
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*/ |
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int findPresetIndex( int presetIndex ); |
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int findPresetIndex( int presetIndex, RadioStation& station ); |
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/*! |
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* Finds the closest station from the given frequency |
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*/ |
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RadioStation findClosest( const uint frequency, StationSkip::Mode mode ); |
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/*! |
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* Checks if the model contains the given frequency |
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*/ |
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bool contains( const uint frequency ) const; |
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/*! |
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* Functions to remove stations |
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*/ |
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void removeByFrequency( uint frequency ); |
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void removeByPresetIndex( int presetIndex ); |
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void removeStation( const RadioStation& station ); |
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/** |
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* Removes all stations |
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*/ |
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enum RemoveMode{ RemoveAll, RemoveLocalStations, RemoveFavorites }; |
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void removeAll( RemoveMode mode = RemoveAll ); |
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/*! |
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* Functions to add and save stations |
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*/ |
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void addStation( const RadioStation& station ); |
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void saveStation( RadioStation& station ); |
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/*! |
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* Function to check the number of favorite stations |
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*/ |
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int favoriteCount(); |
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/*! |
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* Convenience functions to change common settings |
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*/ |
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void setFavoriteByFrequency( uint frequency, bool favorite ); |
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void setFavoriteByPreset( int presetIndex, bool favorite ); |
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void renameStation( int presetIndex, const QString& name ); |
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void setFavorites( const QModelIndexList& favorites ); |
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/*! |
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* Functions to init and access the currently tuned station |
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*/ |
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RadioStation& currentStation(); |
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const RadioStation& currentStation() const; |
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/*! |
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* Sets the model detail level |
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*/ |
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void setDetail( Detail level ); |
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/*! |
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* Returns a list of radio stations in the given frequency range |
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*/ |
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QList<RadioStation> stationsInRange( uint minFrequency, uint maxFrequency ); |
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/*! |
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* Returns the model index corresponding to the given frequency |
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*/ |
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int indexFromFrequency( uint frequency ); |
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signals: |
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void stationDataChanged( const RadioStation& station ); |
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void radioTextReceived( const RadioStation& station ); |
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void dynamicPsChanged( const RadioStation& station ); |
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void favoriteChanged( const RadioStation& station ); |
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private slots: |
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/*! |
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* Timer timeout slot to indicate that the dynamic PS check has ended |
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*/ |
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void dynamicPsCheckEnded(); |
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private: |
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// New functions |
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/*! |
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* Checks the given station and emits signals based on what member variables had been changed |
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* since the last save or reset. |
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*/ |
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void emitChangeSignals( const RadioStation& station, RadioStation::Change flags ); |
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void emitDataChanged( const RadioStation& station ); |
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/*! |
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* Finds an unused preset index |
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*/ |
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int findUnusedPresetIndex(); |
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private: // data |
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/** |
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* Unmodifiable pointer to the private implementation |
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*/ |
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const QScopedPointer<RadioStationModelPrivate> d_ptr; |
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}; |
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Q_DECLARE_OPERATORS_FOR_FLAGS( RadioStationModel::Detail ) |
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#endif // RADIOSTATIONMODEL_H_ |