--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/screensaverctrlmovingtext.cpp Wed Sep 01 12:30:40 2010 +0100
@@ -0,0 +1,598 @@
+/*
+* Copyright (c) 2003 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: Implementation of screensaver moving text display class.
+*
+*/
+
+#ifdef USE_DATE_AND_TEXT
+
+#include <e32def.h>
+#include <eikdef.h>
+#include <AknUtils.h>
+#include <e32math.h>
+#include <aknlayoutscalable_avkon.cdl.h>
+#include <screensaver.rsg>
+
+#include "screensaverappui.h"
+#include "screensavershareddatai.h"
+#include "ScreensaverUtils.h"
+#include "screensaverutility.h"
+#include "screensaverctrlmovingtext.h"
+
+const TInt KInvertedColors = 1;
+
+//The color for text and background
+const TInt KInvertedBgColor = 215;
+const TInt KInvertedTextColor = 0;
+const TInt KInvertedTextBgColor = 215;
+
+const TInt KBgColor = 0;
+const TInt KTextColor = 215;
+const TInt KTextBgColor = 210;
+
+// the minimum top value
+const TInt KMinTop = 4;
+
+const TInt KRefreshRate = 60000000; // 60 sec
+//
+// Class CScreensaverCtrlMovingText
+//
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::NewL
+// -----------------------------------------------------------------------------
+//
+CScreensaverCtrlMovingText* CScreensaverCtrlMovingText::NewL( TDisplayObjectType aType )
+ {
+ CScreensaverCtrlMovingText* obj = new( ELeave ) CScreensaverCtrlMovingText( aType );
+ CleanupStack::PushL( obj );
+ obj->ConstructL();
+ CleanupStack::Pop();
+ return obj;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::~CScreensaverCtrlMovingText
+// -----------------------------------------------------------------------------
+//
+CScreensaverCtrlMovingText::~CScreensaverCtrlMovingText()
+ {
+ iEikonEnv->RemoveFromStack( this );
+
+ DeleteTimer( iBarRefreshTimer );
+ DeleteTimer( iCaptureScreenTimer );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::HandleResourceChange
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::HandleResourceChange( TInt aType )
+ {
+ if ( aType == KEikDynamicLayoutVariantSwitch )//&& iType != EDisplayNone)
+ {
+ // Screen layout has changed - resize
+ SetRect( iCoeEnv->ScreenDevice()->SizeInPixels() );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::SizeChanged
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::SizeChanged()
+ {
+ GenerateDisplayAttributesForScreensaverBar();
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::Draw
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::Draw( const TRect& aRect ) const
+ {
+ if ( !Model().ScreenSaverIsOn() && !Model().ScreenSaverIsPreviewing() )
+ {
+ return;
+ }
+
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::Draw, screensaver is on or previewing") );
+ // Graphics context to draw on.
+ CWindowGc& gc = SystemGc();
+
+ // Fix for error ESMG-74Y4PE - S60 3.2 wk26, Power Saver:
+ // Flickering when power saver is deactivated.
+ // We now clear the screen with a black brush so the screensaver
+ // background is changed to black. There will no longer be a white
+ // intermediate screen and this will reduce the "flicker" effect.
+ gc.SetBrushColor( KRgbBlack );
+
+ // Start with a clear screen
+ gc.Clear( aRect );
+ // If there is no plugin module, indicator view overrides plugin module or
+ // plugin drawing is suspended then the standard screensaver bar is shown,
+ // let's draw it.
+
+ DrawNew( gc, aRect );
+
+ // Activate power save display mode after draw, so that
+ // the image is already in screen buffer
+ ScreensaverUtility::FlushDrawBuffer();
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::Draw, draw finished") );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::SetMoving
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::SetMoving( TBool aMove )
+ {
+ iMoveBar = aMove;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::StartTimer
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::StartTimer()
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::StartTimer start") );
+ Model().SharedDataInterface()->SetSSForcedLightsOn( ESSForceLightsOn );
+
+ StartCaptureScreenTimer();
+
+ StartBarRefreshTimer();
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::StartTimer finish") );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::CancelTimer
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::CancelTimer()
+ {
+ DeleteTimer( iBarRefreshTimer );
+ DeleteTimer( iCaptureScreenTimer );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::ClearScreen
+// Date & time saver
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::ClearScreen()
+ {
+
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::Refresh
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::Refresh()
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::Refresh start") );
+ // Currently only keylock indicator is updated, because
+ // thats the only indicator whose state may change while screensaver
+ // is displaying. Other indicators' state changing also dismisses
+ // screensaver. Once redisplaying, the indicators are updated anyway.
+ // Key lock indicator depends on status of key guard.
+ TIndicatorPayload payload;
+ payload.iType = EPayloadTypeInteger;
+
+ Array().SetDependencyStatus( ESsKeyLockInd, !Model().SharedDataInterface()->IsKeyguardOn() );
+ payload.iInteger = Model().SharedDataInterface()->UnreadMessagesNumber();
+ Array().SetIndicatorPayload( ESsNewMessagesInd, payload );
+ Array().SetDependencyStatus( ESsNewMessagesInd, ( payload.iInteger <= 0 ) );
+ Array().SetDependencyStatus( ESsVoicemailInd, !Model().SharedDataInterface()->IsHaveNewVoicemail() );
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::Refresh move") );
+ // Don't move bar during this refresh
+ SetMoving( EFalse );
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::Refresh DrawObject") );
+ // Cause a redraw
+ DrawObject();
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::Refresh move") );
+ // Allow moving
+ SetMoving();
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::Refresh finish") );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::CScreensaverCtrlMovingText
+// Date & time saver
+// -----------------------------------------------------------------------------
+//
+CScreensaverCtrlMovingText::CScreensaverCtrlMovingText( TDisplayObjectType aType )
+ :iType( aType )
+ {
+ // No implementation required
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::ConstructL()
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::ConstructL start") );
+
+ if ( iType == EDisplayText )
+ {
+ iPictoI = CAknPictographInterface::NewL( *this, *this );
+ }
+
+ iTop = KMinTop;
+ iRandSeed = RandomSeed();
+ iMoveBar = ETrue;
+
+ GetTextAndBgColor();
+
+ CreateWindowL();
+
+ // Cannot do this earlier - it'll cause a SizeChanged()
+ SetRect( iCoeEnv->ScreenDevice()->SizeInPixels() );
+
+ iEikonEnv->EikAppUi()->AddToStackL(
+ this, ECoeStackPriorityEnvironmentFilter, ECoeStackFlagRefusesFocus );
+ ConstructAndConnectLCDL();
+ ActivateL();
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::DrawNew
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::DrawNew( CWindowGc& aGc, const TRect& /* aRect */) const
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::DrawNew start") );
+ // Draw bar background
+ iLayoutBar.DrawRect( aGc );
+
+ // Draw clock
+ iLayoutClock.DrawRect( aGc );
+ iLayoutClockText.DrawText( aGc, iTextTime );
+
+ // Draw date / user text
+ iLayoutDate.DrawRect( aGc );
+
+ DrawText( aGc );
+
+ // Draw indicators
+ Array().Draw( aGc );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::DrawPictoText
+// Draws text with pictographs
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::DrawPictoText( CWindowGc &aGc ) const
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::DrawPictoText start") );
+ // Draw text and possible pictographs
+ MAknPictographDrawer* pictoDrawer = iPictoI->Interface();
+ ASSERT( pictoDrawer );
+
+ if ( ( !pictoDrawer ) || ( !pictoDrawer->ContainsPictographs( iText ) ) )
+ {
+ // Just draw normally
+ iLayoutDateText.DrawText( aGc, iText );
+ return;
+ }
+
+ // Else draw normal text with pictographs
+ aGc.UseFont( iLayoutDateText.Font() );
+ aGc.SetPenColor( iLayoutDateText.Color() );
+
+ // Calculating the offset (unfortunately not public in TAknLayoutText)
+ // copied from AknUtils TAknLayoutText::LayoutText()
+ pictoDrawer->DrawText( aGc, *iLayoutDateText.Font(), iText,
+ iLayoutDateText.TextRect(), iLayoutDateText.Font()->AscentInPixels(),
+ iLayoutDateText.Align() );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::DrawText
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::DrawText( CWindowGc& aGc ) const
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::DrawText start") );
+ if ( iPictoI )
+ {
+ // Draw text and pictographs in the layout
+ DrawPictoText( aGc );
+ }
+ else
+ {
+ // Draw just text
+ iLayoutDateText.DrawText( aGc, iText );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::UpdateCurrentTimeL
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::UpdateCurrentTimeL()
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::UpdateCurrentTimeL start") );
+ // AVKON does not have proper format string for just time,
+ // load from own resources
+ FormatTextFromResourceL( iTextTime, R_SCREENSAVER_TIME_USUAL_WITHOUT_AMPM );
+
+ if ( iType == EDisplayTime )
+ {
+ FormatTextFromResourceL( iText, R_QTN_DATE_USUAL_WITH_ZERO );
+ }
+ else
+ {
+ Model().SharedDataInterface()->GetDisplayObjectText( iText );
+ }
+
+ SetAmPmIndicatorPayloadL();
+ // Convert numbers according to language
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::GenerateDisplayAttributesForScreensaverBar
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::GenerateDisplayAttributesForScreensaverBar( )
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::GenerateDisplayAttributesForScreensaverBar start") );
+ // Zero out power save area, it should then be set before power save
+ // mode can be activated (also by plugins)
+ iPowerSaveDisplayActiveArea.SetRect( 0, 0, 0, 0 );
+
+ // Cool! We got scalable layouts. Use them.
+ TAknWindowComponentLayout barLayoutComponent =
+ AknLayoutScalable_Avkon::power_save_pane();
+ iLayoutBar.LayoutRect( Rect(), barLayoutComponent.LayoutLine() );
+
+ // Add bar height from layout to get total bar height
+ TInt barHeight = iLayoutBar.Rect().Height();
+
+ // Plain refresh, no move?
+ if ( iMoveBar )
+ {
+ // Get random values for bar position and color.
+ GetRandomTopValue( iLayoutBar.Rect().Height() );
+ }
+
+ // Create a rect with the new top to be used as layout rect
+ TRect fakeScreen( Rect() );
+ fakeScreen.iTl.iY = iTop;
+
+ // Layout components
+
+ // Bar itself
+ iLayoutBar.LayoutRect( fakeScreen, barLayoutComponent.LayoutLine() );
+ TRect barRect = iLayoutBar.Rect();
+
+ // Clock (area + text)
+ GetClockLayout( barRect );
+
+ // Date (area + text)
+ GetDateLayout( barRect );
+
+ // Indicators (area + text)
+ GetIndicatorAreaLayout( barRect );
+
+ // Update current time
+ TRAP_IGNORE( UpdateCurrentTimeL() );
+
+ // Since it is known for sure at this point that screensaver
+ // bar will be drawn the partial mode can activated for bar area
+ // if it is supported by display hardware.
+ const TScreensaverColorModel& colorModel = Model().GetColorModel();
+
+ if ( colorModel.iNumberOfPartialModes > 0 )
+ {
+ TRect psRect( iLayoutBar.Rect() );
+ SetPowerSaveDisplayActiveArea( psRect );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::GetRandomTopValue
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::GetRandomTopValue( TInt aBarHight )
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::GetRandomTopValue start") );
+ TInt range( iCoeEnv->ScreenDevice()->SizeInPixels().iHeight - aBarHight - 1 - 4 );
+ TInt rand = Math::Rand( iRandSeed );
+ rand %= range;
+ iTop = ( rand > 3 ) ? ( rand/4 ) * 4 : 4;
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::RandomValue
+// -----------------------------------------------------------------------------
+//
+TInt CScreensaverCtrlMovingText::RandomSeed()
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::RandomSeed start") );
+ TTime time;
+ time.HomeTime();
+ return time.DateTime().MicroSecond();
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::GetTextAndBgColor
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::GetTextAndBgColor()
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::GetTextAndBgColor start") );
+ if( Model().SharedDataInterface()->IsInvertedColors() == KInvertedColors )
+ {
+ iBgColor = KInvertedBgColor;
+ iTextColor = KInvertedTextColor;
+ iTextBgColor = KInvertedTextBgColor;
+ }
+ else
+ {
+ iBgColor = KBgColor;
+ iTextColor = KTextColor;
+ iTextBgColor = KTextBgColor;
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::FormatTextL
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::FormatTextL( TDes& aText, const TDesC& aFormat )
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::FormatTextL start") );
+ TTime curTime;
+ curTime.HomeTime();
+ // Since screensaver is updated on the minute, make sure it displays
+ // the time of the passing minute by adding a few seconds to the
+ // time at the moment of the update.
+ curTime += TTimeIntervalSeconds( 5 );
+
+ TRAPD( err, curTime.FormatL( aText, aFormat ) );
+ if ( err != KErrNone )
+ {
+ // If time can't be displayed then display an empty text
+ aText = KNullDesC;
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::SetAmPmIndicatorPayload
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::SetAmPmIndicatorPayloadL()
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::SetAmPmIndicatorPayloadL start") );
+ _LIT(KAmPmFormat, "%*A");
+ TBuf<10> textAmPm;
+ FormatTextL( textAmPm, KAmPmFormat );
+
+ TIndicatorPayload payload;
+ payload.iType = EPayloadTypeText;
+ payload.iText.Zero();
+ payload.iText.Append( textAmPm );
+ Array().SetIndicatorPayload( ESsAmPmInd, payload );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::FormatTextFromResourceL
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::FormatTextFromResourceL( TDes &aText, TInt aResourceId )
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::FormatTextFromResourceL start") );
+ TBuf<30> timeFormat;
+ iCoeEnv->ReadResourceL( timeFormat, aResourceId );
+ FormatTextL( aText, timeFormat );
+ AknTextUtils::DisplayTextLanguageSpecificNumberConversion( aText );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::GetClockLayout
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::GetClockLayout( const TRect& aRect )
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::GetClockLayout start") );
+ TAknWindowComponentLayout clockarea =
+ AknLayoutScalable_Avkon::aid_ps_clock_pane( 0 );
+ TAknWindowLineLayout clockline = clockarea.LayoutLine();
+ clockline.iC = iBgColor;
+ iLayoutClock.LayoutRect( aRect, clockarea.LayoutLine() );
+
+ TAknTextComponentLayout clocktext =
+ AknLayoutScalable_Avkon::power_save_t2( 0 );
+ clocktext.SetC( iTextColor );
+ iLayoutClockText.LayoutText( aRect, clocktext.LayoutLine() );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::GetClockLayout
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::GetDateLayout( const TRect& aRect )
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::GetDateLayout start") );
+ TAknWindowComponentLayout datearea =
+ AknLayoutScalable_Avkon::power_save_pane_g1( 0 );
+ TAknWindowLineLayout dateline = datearea.LayoutLine();
+ dateline.iC = iTextBgColor;
+ iLayoutDate.LayoutRect( aRect, dateline );
+
+ TAknTextComponentLayout datetext =
+ AknLayoutScalable_Avkon::power_save_pane_t1( 0 );
+ TAknTextLineLayout datetextline = datetext.LayoutLine();
+ iLayoutDateText.LayoutText( aRect, datetextline );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::GetClockLayout
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::GetIndicatorAreaLayout( const TRect& aRect )
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::GetIndicatorAreaLayout start") );
+ TAknWindowComponentLayout indicatorarea =
+ AknLayoutScalable_Avkon::aid_ps_indicator_pane( 0 );
+ TAknWindowLineLayout indicatorline = indicatorarea.LayoutLine();
+ indicatorline.iC = iBgColor;
+ TAknLayoutRect layoutIndicatorArea;
+ layoutIndicatorArea.LayoutRect( aRect, indicatorline );
+
+ // Indicator texts
+ TAknTextComponentLayout indtext =
+ AknLayoutScalable_Avkon::power_save_pane_t4( 0 );
+ TAknTextLineLayout indline = indtext.LayoutLine();
+ TAknLayoutText layoutIndicatorText;
+ layoutIndicatorText.LayoutText( aRect, indline );
+
+ // Indicator icons
+ TAknWindowComponentLayout inds =
+ AknLayoutScalable_Avkon::indicator_ps_pane( 0 );
+ TAknWindowLineLayout indsline = inds.LayoutLine();
+ TAknLayoutRect layoutInds;
+ layoutInds.LayoutRect( aRect, indsline );
+
+ // Tell indicator array where to draw (this should be moved to
+ // the array itself)
+ Array().Setup( layoutIndicatorArea, layoutIndicatorText, layoutInds );
+ }
+
+// -----------------------------------------------------------------------------
+// CScreensaverCtrlMovingText::StartBarRefreshTimer
+// -----------------------------------------------------------------------------
+//
+void CScreensaverCtrlMovingText::StartBarRefreshTimer()
+ {
+ SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlMovingText::StartBarRefreshTimer start") );
+ DeleteTimer( iBarRefreshTimer );
+
+ TRAP_IGNORE( iBarRefreshTimer = CPeriodic::NewL( CActive::EPriorityStandard ) );
+
+ TInt initialRefreshRate = InitialRefreshRate();
+
+ iBarRefreshTimer->Start( initialRefreshRate, KRefreshRate, TCallBack(
+ HandleRefreshTimerExpiry, this ) );
+
+ SCRLOGGER_WRITEF( _L("SCR: BarRefreshTimer->Start(%d, %d, HandleRefreshTimerExpiry)"),
+ initialRefreshRate, KRefreshRate );
+ }
+
+#endif //USE_DATE_AND_TEXT
+// End of file.