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/*
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* Copyright (c) 2002 - 2007 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: A view displaying basic playback state and feature
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*
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*/
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#include <stiflogger.h>
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#include <e32const.h>
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#include "testplaybackviewobserver.h"
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#include "testplaybackview.h"
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// CONSTANTS
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_LIT(KSpacer, " ");
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_LIT(KPlay, " Play-1 ");
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_LIT(KPlaySel, "(Play-1)");
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_LIT(KBackward, " <<-2 ");
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_LIT(KForward, " >>-3 ");
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_LIT(KStop, " Stop-4 ");
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_LIT(KStopSel, "(Stop-4)");
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_LIT(KFastRewind, " FR-5 ");
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_LIT(KFastRewindSel, "(FR-5)");
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_LIT(KFastForward, " FF-6 ");
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_LIT(KFastForwardSel, "(FF-6)");
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_LIT(KPause, " Pause-7 ");
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_LIT(KPauseSel, "(Pause-7)");
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_LIT(KExit, "Exit-Esc" );
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const TInt KSongInfoYOffset = 10;
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const TInt KDisplayScreenWidthOffset = 10;
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// Symbian 2-phrase constructor
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CTestPlaybackView* CTestPlaybackView::NewL(CConsoleMain* aConsoleMain,
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CTestBaseView* aParent,
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const TDesC& aName,
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CStifLogger* aLogger)
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{
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CTestPlaybackView* self = new (ELeave) CTestPlaybackView(aConsoleMain,
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aParent,
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aName,
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aLogger);
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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return self;
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}
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// ---------------------------------------------------------------------------
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// C++ destructor
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// ---------------------------------------------------------------------------
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//
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EXPORT_C CTestPlaybackView::~CTestPlaybackView()
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{
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}
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// ---------------------------------------------------------------------------
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// Add observer
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CTestPlaybackView::AddObserver(MTestPlaybackViewObserver* aObs)
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{
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iTestPlaybackViewObs = aObs;
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}
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// ---------------------------------------------------------------------------
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// Update current index
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CTestPlaybackView::UpdateItemIndex(TInt aIndex, TInt aTotalItem)
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{
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iCurrentStatus.iItemIndex = aIndex;
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iCurrentStatus.iMaxItems = aTotalItem;
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RedrawIndex();
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}
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// ---------------------------------------------------------------------------
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// Update position in the song
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CTestPlaybackView::UpdateProgress(TInt aPosition, TInt aDuration)
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{
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iCurrentStatus.iProgressPos = aPosition;
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iCurrentStatus.iProgressDur = aDuration;
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RedrawProgress();
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}
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// ---------------------------------------------------------------------------
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// Update volume
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CTestPlaybackView::UpdateVolume(TInt aVolume, TInt aMaxVolume)
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{
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iCurrentStatus.iVolume = aVolume;
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iCurrentStatus.iMaxVolume = aMaxVolume;
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RedrawVolume();
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}
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// ---------------------------------------------------------------------------
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// Update artist and song name
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CTestPlaybackView::UpdateSongInfo(const TDesC& aArtist,
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const TDesC& aSongName)
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{
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TInt y = iDisplaySize.iHeight/ 2 - 2;
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//erase previous text
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for(TInt i = 0; i < iDisplaySize.iWidth; i++)
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{
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iConsole->SetPos(i,y);
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iConsole->Printf(_L(" "));
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iConsole->SetPos(i,y+1);
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iConsole->Printf(_L(" "));
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}
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iConsole->SetPos(
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Max((iDisplaySize.iWidth - aArtist.Length())/2, 0), y++);
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iConsole->Printf(_L("%S"), &aArtist);
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iConsole->SetPos(
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Max((iDisplaySize.iWidth - aSongName.Length())/2, 0), y);
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iConsole->Printf(_L("%S"), &aSongName);
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//DisplayViewL();
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}
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// ---------------------------------------------------------------------------
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// Handles state changes in playbackutility
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// ---------------------------------------------------------------------------
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//
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EXPORT_C void CTestPlaybackView::StateChanged(TTestPlaybackState aState)
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{
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switch(aState)
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{
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case ETPbStateInitialising:
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UpdateSongInfo(KNullDesC, _L("Opening file"));
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case ETPbStateShuttingDown:
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case ETPbStateBuffering:
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case ETPbStateDownloading:
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case ETPbStateStopped:
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case ETPbStateNotInitialised:
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iCurrentStatus.iPlaying = iCurrentStatus.iForwardSeek
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= iCurrentStatus.iBackwardSeek = iCurrentStatus.iPause = EFalse;
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break;
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case ETPbStatePaused:
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iCurrentStatus.iPlaying = iCurrentStatus.iForwardSeek
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= iCurrentStatus.iBackwardSeek = EFalse;
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iCurrentStatus.iPause = ETrue;
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break;
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case ETPbStatePlaying:
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iCurrentStatus.iPause = iCurrentStatus.iForwardSeek
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= iCurrentStatus.iBackwardSeek = EFalse;
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iCurrentStatus.iPlaying = ETrue;
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break;
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case ETPbStateSeekingForward:
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iCurrentStatus.iBackwardSeek = EFalse;
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iCurrentStatus.iForwardSeek = ETrue;
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break;
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case ETPbStateSeekingBackward:
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iCurrentStatus.iForwardSeek = EFalse;
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iCurrentStatus.iBackwardSeek = ETrue;
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break;
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}
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RedrawPlayerStatue();
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}
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// ---------------------------------------------------------------------------
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// From class CTestBaseView.
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// Initialization of a view before first time activation
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::InitializeViewL()
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{
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iConsole->ClearScreen();
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RedrawProgress();
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RedrawVolume();
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UpdateSongInfo(KNullDesC, KNullDesC);
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RedrawPlayerStatue();
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}
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// ---------------------------------------------------------------------------
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// From class CTestBaseView.
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// Cleanup the child view before deactivate/destroy view
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::CleanupViewL()
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{
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}
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// ---------------------------------------------------------------------------
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// From class CTestBaseView.
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// Display this view
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::DisplayViewL()
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{
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DisplayViewBase();
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RedrawIndex();
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RedrawProgress();
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RedrawVolume();
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RedrawPlayerStatue();
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}
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// ---------------------------------------------------------------------------
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// From class CTestBaseView.
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// Process keypresses on this view - called by ConsoleMain
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::SelectL( TKeyCode aSelection, TBool& aContinue )
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{
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aContinue = ETrue;
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switch(aSelection)
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{
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case '1':
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iTestPlaybackViewObs->HandleUiCommandL(ETPbViewCmdPlay);
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break;
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case '2':
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iTestPlaybackViewObs->HandleUiCommandL(ETPbViewCmdPrevious);
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break;
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case '3':
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iTestPlaybackViewObs->HandleUiCommandL(ETPbViewCmdNext);
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break;
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case '4':
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iTestPlaybackViewObs->HandleUiCommandL(ETPbViewCmdStop);
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break;
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case '5':
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iTestPlaybackViewObs->HandleUiCommandL(iCurrentStatus.iBackwardSeek?
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ETPbViewCmdStopSeeking :
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ETPbViewCmdStartSeekBackward);
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break;
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case '6':
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iTestPlaybackViewObs->HandleUiCommandL(iCurrentStatus.iForwardSeek?
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ETPbViewCmdStopSeeking :
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ETPbViewCmdStartSeekForward);
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break;
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case '7':
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iTestPlaybackViewObs->HandleUiCommandL(ETPbViewCmdPause);
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break;
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case '8':
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iTestPlaybackViewObs->HandleUiCommandL(ETPbViewCmdDecreaseVolume);
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break;
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case '9':
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iTestPlaybackViewObs->HandleUiCommandL(ETPbViewCmdIncreaseVolume);
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break;
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case EKeyEscape:
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iTestPlaybackViewObs->HandleUiCommandL(ETPbViewCmdClose);
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aContinue = EFalse;
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CurrentViewDoneL();
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break;
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}
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}
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// ---------------------------------------------------------------------------
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// From class CTestBaseView.
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// Update display from timer - called by ConsoleMain
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::TimerUpdate()
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{
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}
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// ---------------------------------------------------------------------------
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// C++ constructor
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// ---------------------------------------------------------------------------
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//
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CTestPlaybackView::CTestPlaybackView(CConsoleMain* aConsoleMain,
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CTestBaseView* aParent,
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const TDesC& aName,
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CStifLogger* aLogger)
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: CTestBaseView(aConsoleMain, aParent, aName)
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{
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iDisplaySize = iConsole->ScreenSize();
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iDisplaySize.iWidth = iDisplaySize.iWidth - KDisplayScreenWidthOffset;
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iLogger = aLogger;
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}
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// ---------------------------------------------------------------------------
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// Symbian 2-phrase constructor
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::ConstructL()
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{
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iCurrentStatus.iBackwardSeek = EFalse;
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iCurrentStatus.iForwardSeek = EFalse;
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iCurrentStatus.iPlaying = EFalse;
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iCurrentStatus.iPause = EFalse;
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iCurrentStatus.iVolume = 0;
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iCurrentStatus.iMaxVolume = 20; //magic number??
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iCurrentStatus.iProgressPos = 0;
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iCurrentStatus.iProgressDur = KMaxTInt;
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iCurrentStatus.iItemIndex = 0;
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iCurrentStatus.iMaxItems = 0;
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InitializeViewL();
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}
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// ---------------------------------------------------------------------------
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// Redraw index in view
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::RedrawIndex()
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{
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if(iCurrentStatus.iMaxItems <= 0)
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return;
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iConsole->SetPos(iDisplaySize.iWidth - 5, 3); //##/## format
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iConsole->Printf(_L(" ")); //clean
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iConsole->SetPos(iDisplaySize.iWidth - 5, 3);
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iConsole->Printf(_L("%d/%d"), iCurrentStatus.iItemIndex,
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iCurrentStatus.iMaxItems);
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}
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// ---------------------------------------------------------------------------
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// Redraw progress bar in view
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::RedrawProgress()
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{
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if(iCurrentStatus.iProgressDur <= 0)
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return;
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TInt pos = iCurrentStatus.iProgressPos *
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iDisplaySize.iWidth / iCurrentStatus.iProgressDur ;
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iConsole->SetPos(0, iDisplaySize.iHeight / 2);
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for(TInt x = 1; x <= iDisplaySize.iWidth; x++)
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iConsole->Printf(x<=pos? _L("=") : _L("-"));
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}
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// ---------------------------------------------------------------------------
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// Redraw volume bar in view
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::RedrawVolume()
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{
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if(iCurrentStatus.iMaxVolume <= 0)
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return;
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TInt pos = iCurrentStatus.iVolume *
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iCurrentStatus.iMaxVolume / iCurrentStatus.iMaxVolume ;
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iConsole->SetPos(0, 1);
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iConsole->Printf(_L("Volume(8|9):"));
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for(TInt x = 1; x <= iCurrentStatus.iMaxVolume; x++)
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iConsole->Printf(x <= pos? _L("=") : _L("-"));
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iConsole->Printf(_L(" %d/%d"),
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iCurrentStatus.iVolume,
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iCurrentStatus.iMaxVolume);
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}
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// ---------------------------------------------------------------------------
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// Redraw status/control part of the view
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// ---------------------------------------------------------------------------
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//
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void CTestPlaybackView::RedrawPlayerStatue()
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{
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TInt linePosY = iDisplaySize.iHeight - KSongInfoYOffset;
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//Line 1
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iConsole->SetPos(0, linePosY);
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iConsole->Printf(iCurrentStatus.iPlaying?
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KStop : KStopSel);
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iConsole->Printf(KSpacer);
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iConsole->Printf(iCurrentStatus.iBackwardSeek?
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KFastRewindSel : KFastRewind);
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iConsole->Printf(KSpacer);
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iConsole->Printf(iCurrentStatus.iForwardSeek?
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KFastForwardSel : KFastForward);
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iConsole->Printf(KSpacer);
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iConsole->Printf(iCurrentStatus.iPause?
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KPauseSel : KPause);
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//Line 2
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iConsole->SetPos(0, ++linePosY);
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iConsole->Printf(iCurrentStatus.iPlaying?
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KPlaySel : KPlay);
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iConsole->Printf(KSpacer);
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iConsole->Printf(KBackward);
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iConsole->Printf(KSpacer);
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iConsole->Printf(KForward);
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//Line Exit
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iConsole->SetPos(iDisplaySize.iWidth - KExit().Length(),
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iDisplaySize.iHeight - 1);
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iConsole->Printf(KExit);
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}
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