author | hgs |
Fri, 30 Apr 2010 19:33:32 -0500 | |
changeset 34 | 2c5162224003 |
parent 20 | 82baf59ce8dd |
child 29 | 8192e5b5c935 |
permissions | -rw-r--r-- |
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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: Equalizer widget for Music Player playback view. |
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* |
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*/ |
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|
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// System includes |
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#include <QStringList> |
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#include <hblabel.h> |
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#include <hbaction.h> |
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#include <hbradiobuttonlist.h> |
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|
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// User includes |
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#include "mpequalizerwidget.h" |
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#include "mpequalizerwrapper.h" |
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#include "mptrace.h" |
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|
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// CONSTANTS |
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const int KEqualizerPresetNone = -1; |
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|
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/*! |
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\class MpEqualizerWidget |
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\brief Provide radio button list to select a predefined eq. preset |
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*/ |
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|
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/*! |
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Constructs the Equalizer widget. |
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*/ |
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MpEqualizerWidget::MpEqualizerWidget() : |
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mEqualizerWrapper(0), |
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mPresetsList(0), |
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mOriginalPreset(KEqualizerPresetNone), |
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mEqualizerReady(false) |
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{ |
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TX_ENTRY |
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|
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initialize(); |
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|
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TX_EXIT |
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} |
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|
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/*! |
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Destructs the widget. |
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*/ |
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MpEqualizerWidget::~MpEqualizerWidget() |
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{ |
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TX_ENTRY |
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|
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delete mEqualizerWrapper; |
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|
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TX_EXIT |
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} |
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|
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/*! |
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Initialize dialog by loading the EqualizerUtility. |
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*/ |
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void MpEqualizerWidget::initialize() |
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{ |
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TX_ENTRY |
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|
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mEqualizerWrapper = new MpEqualizerWrapper( this ); |
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|
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connect( mEqualizerWrapper, |
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SIGNAL( equalizerReady() ), |
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this, |
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SLOT( equalizerReady() ) ); |
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|
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TX_EXIT |
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} |
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|
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/*! |
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Prepare dialog by loading the presets list. |
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*/ |
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void MpEqualizerWidget::prepareDialog() |
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{ |
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TX_ENTRY |
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34 | 89 |
HbAction *action; |
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setTimeout(NoTimeout); |
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setModal( true ); |
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setDismissPolicy(HbDialog::NoDismiss); |
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setFrameType(HbPopup::Strong); |
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setHeadingWidget(new HbLabel(hbTrId("txt_mus_title_select_preset"))); |
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if ( mEqualizerReady ) { |
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mOriginalPreset = mEqualizerWrapper->activePreset(); |
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QStringList listItems = mEqualizerWrapper->presetNames(); |
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listItems.prepend(hbTrId("txt_mus_list_off")); |
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|
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int presetSelected; |
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if (mOriginalPreset == KEqualizerPresetNone) { |
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presetSelected = 0; //First list item corresponds to "OFF" |
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} |
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else { |
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presetSelected = mOriginalPreset; |
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} |
34 | 109 |
|
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mPresetsList = new HbRadioButtonList(listItems, presetSelected, HbRadioButtonList::NoPreview, this); |
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setContentWidget( mPresetsList ); //mPresetsList now owned by HbDialog |
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connect( mPresetsList, |
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SIGNAL(itemSelected(int)), |
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this, |
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SLOT(presetSelected(int))); |
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} |
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clearActions(); |
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action = new HbAction( hbTrId( "txt_common_button_ok" ) ); |
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connect( action, SIGNAL( triggered( bool ) ), this, SLOT( okSelected( bool ) ) ); |
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addAction( action ); |
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action = new HbAction( hbTrId( "txt_common_button_cancel" ) ); |
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connect( action, SIGNAL( triggered( bool ) ), this, SLOT( cancelSelected( bool ) ) ); |
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addAction( action ); |
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TX_EXIT |
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} |
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/*! |
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Slot to handle when a preset has been selected. |
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*/ |
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void MpEqualizerWidget::presetSelected(int index) |
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{ |
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TX_ENTRY |
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if (mEqualizerWrapper) { |
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if (index == 0) { |
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mEqualizerWrapper->disableEqualizer(); |
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} |
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else{ |
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mEqualizerWrapper->applyPreset( index ); |
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} |
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} |
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TX_EXIT |
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} |
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/*! |
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Slot to handle when Cancel is selected |
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*/ |
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void MpEqualizerWidget::cancelSelected(bool checked) |
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{ |
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TX_ENTRY |
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Q_UNUSED(checked); |
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if (mEqualizerWrapper && mPresetsList) { |
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// Return to the original Preset |
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if (mOriginalPreset != mEqualizerWrapper->activePreset()) { |
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if (mOriginalPreset == KEqualizerPresetNone) { |
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mEqualizerWrapper->disableEqualizer(); |
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mPresetsList->setSelected( 0 ); //First list item corresponds to "OFF" |
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} |
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else { |
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mEqualizerWrapper->applyPreset( mOriginalPreset ); |
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mPresetsList->setSelected( mOriginalPreset ); |
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} |
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} |
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} |
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|
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TX_EXIT |
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} |
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|
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/*! |
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Slot to handle when Ok is selected |
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*/ |
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void MpEqualizerWidget::okSelected(bool checked) |
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{ |
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TX_ENTRY |
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Q_UNUSED(checked); |
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|
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//Update original preset |
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if (mEqualizerWrapper) { |
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mOriginalPreset = mEqualizerWrapper->activePreset(); |
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} |
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|
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TX_EXIT |
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} |
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|
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/*! |
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Equalizer utility is ready |
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*/ |
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void MpEqualizerWidget::equalizerReady() |
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{ |
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TX_ENTRY |
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|
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mEqualizerReady = true; |
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|
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TX_EXIT |
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} |
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|
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//End of File |