--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/view/src/shwslideshowbacklighttimer.cpp Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2007-2008 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: Slideshow backlight timer management..
+*
+*/
+
+
+
+
+#include "shwslideshowbacklighttimer.h"
+#include <centralrepository.h>// for peripheral display timeout setting
+#include <settingsinternalcrkeys.h> // display timeout setting keys
+#include <glxlog.h>
+#include <glxtracer.h>
+#include "shwcallback.h"
+
+namespace
+ {
+ const TInt KMicroSecondsInASecond = 1000000;
+ }
+
+// -----------------------------------------------------------------------------
+// CShwSlideshowBackLightTimer::CShwSlideshowBackLightTimer
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CShwSlideshowBackLightTimer::CShwSlideshowBackLightTimer()
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// CShwSlideshowBackLightTimer::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CShwSlideshowBackLightTimer* CShwSlideshowBackLightTimer::NewL()
+ {
+ TRACER("CShwSlideshowBackLightTimer::NewL");
+ GLX_LOG_INFO("CShwSlideshowBackLightTimer::NewL");
+ CShwSlideshowBackLightTimer* self = new( ELeave )
+ CShwSlideshowBackLightTimer();
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CShwSlideshowBackLightTimer::~CShwSlideshowBackLightTimer()
+ {
+ TRACER("CShwSlideshowBackLightTimer::~CShwSlideshowBackLightTimer");
+ GLX_LOG_INFO("CShwSlideshowBackLightTimer::~CShwSlideshowBackLightTimer");
+ delete iPeriodic;
+ }
+
+// -----------------------------------------------------------------------------
+// CShwSlideshowBackLightTimer::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CShwSlideshowBackLightTimer::ConstructL()
+ {
+ TRACER("CShwSlideshowBackLightTimer::ConstructL");
+ GLX_LOG_ENTRY_EXIT("CShwSlideshowBackLightTimer::ConstructL");
+
+ CRepository* repository = CRepository::NewLC( KCRUidPeripheralSettings );
+ // What's the timeout value (in seconds ) for the display light?
+ repository->Get( KSettingsDisplayLightsTimeout, iSettingsDelay );
+ GLX_LOG_INFO1("CShwSlideshowBackLightTimer, lights timeout = %d",
+ iSettingsDelay );
+
+ // What's the screen saver's timeout value (in seconds)?
+ TInt screenSaverTimeout = 0;
+ repository->Get( KSettingsScreenSaverPeriod, screenSaverTimeout );
+ GLX_LOG_INFO1("CShwSlideshowBackLightTimer, scr saver timeout = %d",
+ screenSaverTimeout );
+ CleanupStack::PopAndDestroy( repository );
+
+ // Take the smaller of the two timeout values
+ iSettingsDelay = Min( iSettingsDelay, screenSaverTimeout );
+ // Convert the value to microseconds
+ iSettingsDelay *= KMicroSecondsInASecond;
+ // Halve the value to ensure out timer kicks beforehand
+ iSettingsDelay /= 2;
+
+ // Create a timer
+ iPeriodic = CPeriodic::NewL( CPeriodic::EPriorityStandard );
+ }
+
+// -----------------------------------------------------------------------------
+// CShwSlideshowBackLightTimer::Tick - handler code for the timer
+// -----------------------------------------------------------------------------
+//
+TInt CShwSlideshowBackLightTimer::Tick()
+ {
+ // Timer must be reset to prevent screen saver to appear in
+ // Aalto when the slide is closed. Should not cause any side effects.
+ User::ResetInactivityTime();
+ iStartTime.HomeTime();
+
+ return 1; // continues always
+ }
+
+// -----------------------------------------------------------------------------
+// CShwSlideshowBackLightTimer::StartL
+// -----------------------------------------------------------------------------
+//
+void CShwSlideshowBackLightTimer::StartL()
+ {
+ TRACER("CShwSlideshowBackLightTimer::StartL()");
+ GLX_LOG_INFO("CShwSlideshowBackLightTimer::StartL" );
+ iStartTime.HomeTime();
+ User::ResetInactivityTime();
+ iPeriodic->Cancel(); // in case it actually was running
+ iPeriodic->Start( iSettingsDelay, iSettingsDelay,
+ TShwCallBack< CShwSlideshowBackLightTimer, Tick >( this ) );
+ }
+
+// -----------------------------------------------------------------------------
+// CShwSlideshowBackLightTimer::Cancel
+// -----------------------------------------------------------------------------
+//
+void CShwSlideshowBackLightTimer::Cancel()
+ {
+ TRACER("CShwSlideshowBackLightTimer::Cancel()");
+ GLX_LOG_INFO("CShwSlideshowBackLightTimer::Cancel" );
+ User::ResetInactivityTime();
+ iPeriodic->Cancel();
+ }
+
+// -----------------------------------------------------------------------------
+// CShwSlideshowBackLightTimer::IsRunning
+// -----------------------------------------------------------------------------
+//
+TBool CShwSlideshowBackLightTimer::IsRunning()
+ {
+ TRACER("CShwSlideshowBackLightTimer::IsRunning()");
+ GLX_LOG_INFO("CShwSlideshowBackLightTimer::IsRunning" );
+ return iPeriodic->IsActive();
+ }
+
+// -----------------------------------------------------------------------------
+// CShwSlideshowBackLightTimer::Delay
+// -----------------------------------------------------------------------------
+//
+TInt CShwSlideshowBackLightTimer::Delay()
+ {
+ TRACER("CShwSlideshowBackLightTimer::Delay()");
+ GLX_LOG_INFO("CShwSlideshowBackLightTimer::Delay" );
+ return iSettingsDelay;
+ }