/*
* 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: Implementation of screensaver plugin display object class.
*
*/
#include <AknDef.h>
#include <power_save_display_mode.h>
#include "ScreensaverpluginIntDef.h"
#include "screensaverctrlplugin.h"
#include "screensaverview.h"
#include "screensaverappui.h"
#include "screensaverutility.h"
#include "ScreensaverUtils.h"
#include "screensavershareddatai.h"
// If plugin refresh rate is lower than this threshold, wserv heartbeat
// is stopped between redraws
const TInt KStopWsHbPluginRefreshThreshold = 1000000; // 1 sec
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::NewL
// -----------------------------------------------------------------------------
//
CScreensaverCtrlPlugin* CScreensaverCtrlPlugin::NewL()
{
CScreensaverCtrlPlugin* self = new( ELeave ) CScreensaverCtrlPlugin();
CleanupStack::PushL( self );
self->ConstructL();
CleanupStack::Pop();
return self;
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::~CScreensaverCtrlPlugin
// -----------------------------------------------------------------------------
//
CScreensaverCtrlPlugin::~CScreensaverCtrlPlugin()
{
DeleteTimer( iPluginRefreshTimer );
DeleteTimer( iPluginTimeoutTimer );
DeletePlugin();
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::StartTimer
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::StartTimer()
{
// Notify plugin that screensaver is starting
Model().SharedDataInterface()->SetSSForcedLightsOn( ESSForceLightsOn );
SendPluginEvent( EScreensaverEventStarting );
StartPluginRefreshTimer();
if ( RefreshTimerValue() >= KStopWsHbPluginRefreshThreshold )
{
StartCaptureScreenTimer();
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::CancelTimer
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::CancelTimer()
{
DeleteTimer( iPluginRefreshTimer );
DeleteTimer( iPluginTimeoutTimer );
SendPluginEvent( EScreensaverEventStopping );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::DrawObject
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::DrawObject()
{
CScreensaverBase::DrawObject();
if( iPluginFlag.IsSet( EPluginFlagSuspend ) )
{
Suspend( -1 );
iPluginFlag.Clear( EPluginFlagSuspend );
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::ClearScreen
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::ClearScreen()
{
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::Refresh
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::Refresh()
{
SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlPlugin::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() );
Array().SetVisibilityForIndicators();
SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlPlugin::Refresh DrawObject") );
// Cause a redraw
DrawObject();
SCRLOGGER_WRITEF( _L("SCR:CScreensaverCtrlPlugin::Refresh finish") );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::SendPluginEvent
// -----------------------------------------------------------------------------
//
TInt CScreensaverCtrlPlugin::SendPluginEvent( TScreensaverEvent aEvent )
{
if ( iPlugin )
{
TRAPD( err, iPlugin->HandleScreensaverEventL( aEvent, NULL ) );
return err;
}
return KErrNone;
}
// ---------------------------------------------------------------------------
// CScreensaverCtrlPlugin::PluginImplementationUid()
// ---------------------------------------------------------------------------
//
TUid CScreensaverCtrlPlugin::PluginImplementationUid() const
{
return iPluginImplUid;
}
// From MScreensaverPluginHost
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::UseStandardIndicators
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::UseStandardIndicators()
{
SCRLOGGER_WRITE("Host: UseStandardIndicators()");
iPluginFlag.Clear( EPluginFlagOverrideIndicators );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::OverrideStandardIndicators
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::OverrideStandardIndicators()
{
SCRLOGGER_WRITE("Host: OverrideStandardIndicators()");
iPluginFlag.Set( EPluginFlagOverrideIndicators );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::StandardIndicatorsUsed
// -----------------------------------------------------------------------------
//
TBool CScreensaverCtrlPlugin::StandardIndicatorsUsed() const
{
SCRLOGGER_WRITE("Host: StandardIndicatorsUsed()");
return iPluginFlag.IsClear( EPluginFlagOverrideIndicators );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::SetRefreshTimerValue
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::SetRefreshTimerValue( TInt aValue )
{
SCRLOGGER_WRITEF( _L("SCR: Host: SetRefreshTimerValue(%d)"), aValue );
iPluginRefreshRate = aValue;
iPluginFlag.Clear( EPluginFlagTimerNotUsed );
StartPluginRefreshTimer();
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::RefreshTimerValue
// -----------------------------------------------------------------------------
//
TInt CScreensaverCtrlPlugin::RefreshTimerValue() const
{
SCRLOGGER_WRITE("Host: RefreshTimerValue()");
return iPluginRefreshRate;
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::GetIndicatorPayload
// -----------------------------------------------------------------------------
//
TInt CScreensaverCtrlPlugin::GetIndicatorPayload(
TScreensaverIndicatorIndex aIndex, TIndicatorPayload& aResult ) const
{
SCRLOGGER_WRITEF( _L("SCR: Host: GetIndicatorPayload(%d, %x)"),
aIndex, &aResult );
return Model().IndicatorArray().GetIndicatorPayload( ( TScreensaverIndicatorId ) aIndex, aResult );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::SetActiveDisplayArea
// -----------------------------------------------------------------------------
//
TInt CScreensaverCtrlPlugin::SetActiveDisplayArea(
TRect& aRect, const TScreensaverPartialMode& aMode )
{
SCRLOGGER_WRITEF( _L("SCR: Host: SetActiveDisplayArea(<rect>, %d)"), aMode );
SCRLOGGER_WRITEF( _L(" -> rect: (%d, %d, %d, %d)"),
aRect.iTl.iX, aRect.iTl.iY, aRect.iBr.iX, aRect.iBr.iY );
// Make sure everything is in display memory
ScreensaverUtility::FlushDrawBuffer();
// Save the active area
TInt err = SetPowerSaveDisplayActiveArea( aRect );
if ( err == KErrNone )
{
// And activate power save display. Full mode = full colors
// err = ActivatePowerSaveDisplay( aMode.iType
// == EPartialModeTypeFull );
}
return err;
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::SetActiveDisplayArea
// -----------------------------------------------------------------------------
//
TInt CScreensaverCtrlPlugin::SetActiveDisplayArea(
TInt aStartRow, TInt aEndRow, const TScreensaverPartialMode& aMode )
{
SCRLOGGER_WRITEF( _L("SCR: Host: SetActiveDisplayArea(%d, %d, %d)"),
aStartRow, aEndRow, aMode );
TRect psRect( 0, aStartRow, 1, aEndRow);
return SetActiveDisplayArea( psRect, aMode );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::ExitPartialMode
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::ExitPartialMode()
{
SCRLOGGER_WRITE("Host: ExitPartialMode()");
LcdPartialMode()->Exit();
// Make sure the partial area is empty
// Make this less idiotic
TRect psRect( 0, 0, 0, 0);
SetPowerSaveDisplayActiveArea( psRect );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::GetColorModel
// -----------------------------------------------------------------------------
//
const TScreensaverColorModel& CScreensaverCtrlPlugin::GetColorModel() const
{
SCRLOGGER_WRITE("Host / Own use: GetColorModel()");
return Model().GetColorModel();
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::Suspend
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::Suspend( TInt aTime )
{
SCRLOGGER_WRITEF( _L("SCR: Host: Suspend(%d)"), aTime );
View()->SetDisplayObject( Model().SharedDataInterface()->DefaultScreensaverType() );
CScreensaverEngine& model = MUTABLE_CAST( CScreensaverEngine&, Model() );
model.SetExpiryTimerTimeout( KDefaultScreenSaverTimeout );
View()->ShowDisplayObject();
if ( aTime >= 0 )
{
model.StartSuspendTimer( aTime );
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::RequestLights
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::RequestLights( TInt aSecs )
{
SCRLOGGER_WRITEF( _L("SCR: Host: RequestLights(%d)"), aSecs );
if ( aSecs <= 0 )
{
// Turn lights off, kill lights timer
Model().SharedDataInterface()->SetSSForcedLightsOn( 0 );
}
else
{
// Make sure nobody tries to overextend our hospitality
TInt secs = (aSecs > KMaxLightsOnTime) ? KMaxLightsOnTime : aSecs;
// Turn lights on, start lights timer
Model().SharedDataInterface()->SetSSForcedLightsOn( secs );
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::DisplayInfo
// -----------------------------------------------------------------------------
//
TInt CScreensaverCtrlPlugin::DisplayInfo( TScreensaverDisplayInfo* aInfo )
{
SCRLOGGER_WRITEF( _L("SCR: Host: DisplayInfo(%x)"), aInfo );
if ( !aInfo )
{
return KErrArgument;
}
// Sanity check: the indicated size of the info struct should be
// same or less than the actual size (allows for extensibility)
if ( aInfo->iSize > sizeof( TScreensaverDisplayInfo ) )
{
ASSERT( EFalse );
return KErrArgument;
}
// Fill our own perception of the info structure
TScreensaverDisplayInfo info;
info.iSize = aInfo->iSize;
// Currently whole screen
info.iRect = CCoeEnv::Static()->ScreenDevice()->SizeInPixels();
info.iParent = this;
// Copy only the size of the caller struct
Mem::Copy( aInfo, &info, aInfo->iSize );
return KErrNone;
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::UseRefreshTimer
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::UseRefreshTimer( TBool aOn )
{
SCRLOGGER_WRITEF( _L("SCR: Host: UseRefreshTimer(%d)"), aOn );
if ( aOn )
{
// Use normal timer, plugin timer allowed
iPluginFlag.Clear( EPluginFlagTimerNotUsed );
}
else
{
// Plugin does not want Draw() calls, let timer tick the usual way
iPluginFlag.Set( EPluginFlagTimerNotUsed );
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::RequestTimeout
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::RequestTimeout( TInt aSecs )
{
CScreensaverEngine& model = MUTABLE_CAST( CScreensaverEngine&, Model() );
model.SetExpiryTimerTimeout( 0 );
StartPluginTimeoutTimer( aSecs );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::RevertToDefaultSaver
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::RevertToDefaultSaver()
{
SCRLOGGER_WRITE("Host: RevertToDefaultSaver()");
Model().SharedDataInterface()->SetDisplayObjectType(
Model().SharedDataInterface()->DefaultScreensaverType() );
}
// --- end MScreensaverPluginHost ---
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::CScreensaverCtrlPlugin
// -----------------------------------------------------------------------------
//
CScreensaverCtrlPlugin::CScreensaverCtrlPlugin()
:iPluginFlag()
{
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::ConstructL
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::ConstructL()
{
iPluginFlag.ClearAll();
CreateWindowL();
SetRect( iCoeEnv->ScreenDevice()->SizeInPixels() );
ConstructAndConnectLCDL();
LoadPluginL( this );
ActivateL();
// Notify plugin that display control has changed
SendPluginEvent( EScreensaverEventDisplayChanged );
if( Model().ScreenSaverIsPreviewing() )
{
SendPluginEvent( EScreensaverEventPreview );
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::HandleResourceChange
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::HandleResourceChange( TInt aType )
{
if ( aType == KEikDynamicLayoutVariantSwitch )
{
// Screen layout has changed - resize
SetRect( iCoeEnv->ScreenDevice()->SizeInPixels() );
// Notify plugin that the display has changed
SendPluginEvent( EScreensaverEventDisplayChanged );
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::SizeChanged
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::SizeChanged()
{
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::Draw
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::Draw( const TRect& /*aRect*/ ) const
{
if ( !Model().ScreenSaverIsOn() && !Model().ScreenSaverIsPreviewing() )
{
return;
}
// 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
// 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.
// Let plugin module handle the drawing, unless not requested
TInt err = KErrNone;
if ( iPluginFlag.IsClear( EPluginFlagTimerNotUsed ) )
{
err = iPlugin->Draw( gc );
}
//Notice:add this code to shield the issue ELWG-7SF3R3.
//Prevent screensaver plugin from being called unexpected draw function,
//which would cause chosen images are not displayed.
//Check the err code return by iPlugin->Draw:
//If draw action is correct and iPluginFlag has already been set EPluginFlagSuspend,
//then clear this EPluginFlagSuspend
if ( KErrNone == err && iPluginFlag.IsSet( EPluginFlagSuspend ) )
{
iPluginFlag.Clear( EPluginFlagSuspend );
}
if( err != KErrNone )
{
iPluginFlag.Set( EPluginFlagSuspend );
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::LoadPluginL
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::LoadPluginL( MScreensaverPluginHost* /*aPluginHost*/ )
{
DeletePlugin();
LoadPluginModuleL();
User::LeaveIfNull( iPlugin );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::LoadPluginModule
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::LoadPluginModuleL()
{
TFileName pluginName;
Model().SharedDataInterface()->GetPluginName( pluginName );
// Create plugin object in the DLL
// Convert the UID of the given screensaver plugin from text to integer
// The string format of the UID: [12345678]
// The number inside the brackets in hexadecimal format
TLex lex( pluginName );
// Skip the first character: '['
lex.Get();
TUint32 tempUid;
// Get the UID
TInt err = lex.Val( tempUid, EHex );
// Bail out, if the UID is not parseable
if ( err != KErrNone )
{
iPlugin = NULL;
}
iPluginImplUid = TUid::Uid( tempUid );
//codescanner will crib if leaving function inside trap is called
//after line break within the macro. Hence the following trap call
//is made in a single line
TRAP(err, iPlugin = STATIC_CAST( MScreensaverPlugin*,
CScreensaverPluginInterfaceDefinition::NewL( iPluginImplUid ) ) );
if( err != KErrNone )
return;
TRAP( err, err = iPlugin->InitializeL( this ) );
if( err != KErrNone )
{
// Loaded OK, but failed to initialize - cannot use plugin
delete iPlugin;
iPlugin = NULL;
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::DeletePlugin
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::DeletePlugin()
{
if( iPlugin )
{
delete iPlugin;
iPlugin = NULL;
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::StartPluginRefreshTimer
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::StartPluginRefreshTimer()
{
DeleteTimer( iPluginRefreshTimer );
if( ( iPluginRefreshRate != 0 ) )
{
TRAP_IGNORE( iPluginRefreshTimer = CPeriodic::NewL( CActive::EPriorityStandard ) );
iPluginRefreshTimer->Start( iPluginRefreshRate, iPluginRefreshRate,
TCallBack( HandleRefreshTimerExpiry, this ) );
SCRLOGGER_WRITEF( _L("SCR: iRefreshTimer->Start(%d, %d, HandleRefreshTimerExpiry)"),
iPluginRefreshRate,iPluginRefreshRate );
}
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::StartPluginTimeoutTimer
// -----------------------------------------------------------------------------
//
void CScreensaverCtrlPlugin::StartPluginTimeoutTimer( TInt aSecs )
{
// Cancel pending timeouts
DeleteTimer( iPluginTimeoutTimer );
TRAP_IGNORE( iPluginTimeoutTimer = CPeriodic::NewL( CActive::EPriorityStandard ) );
// Nothing more to do?
if( ( aSecs <= 0 ) || ( aSecs > ( 35 * 60 ) ) ) // 35 mins max
{
return;
}
TInt timeOut = aSecs * 1000000; // uSecs
iPluginTimeoutTimer->Start( timeOut, timeOut, TCallBack(
HandlePluginTimeoutTimerExpiry, this ) );
SCRLOGGER_WRITEF( _L("SCR: iPluginTimeoutTimer->Start(%d, %d, HandlePluginTimeoutTimerTimeout)"),
timeOut, timeOut );
}
// -----------------------------------------------------------------------------
// CScreensaverCtrlPlugin::HandlePluginTimeoutTimerExpiry
// -----------------------------------------------------------------------------
//
TInt CScreensaverCtrlPlugin::HandlePluginTimeoutTimerExpiry( TAny* aPtr )
{
CScreensaverCtrlPlugin *plugin= STATIC_CAST( CScreensaverCtrlPlugin*, aPtr );
SCRLOGGER_WRITEF( _L("SCR: Inside CScreensaverView::HandlePluginTimeoutTimerTimeout()") );
if ( plugin )
{
plugin->DeleteTimer( plugin->iPluginRefreshTimer );
plugin->DeleteTimer( plugin->iPluginTimeoutTimer );
plugin->SendPluginEvent( EScreensaverEventTimeout );
}
return KErrNone;
}
//End of file