--- a/camerauis/cameraapp/generic/src/CamMemoryMonitor.cpp Thu Aug 19 09:36:57 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,288 +0,0 @@
-/*
-* Copyright (c) 2007-2009 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: Class that monitors free memory and attempts to free it if necessary
-*
-*/
-
-#include "CamMemoryMonitor.h"
-
-
-#include <hal.h>
-#include <hal_data.h>
-#include <AknGlobalNote.h>
-#include <StringLoader.h>
-#include <vgacamsettings.rsg>
-#include "CamAppUi.h"
-#include "CamAppController.h"
-#include "camlogging.h"
-
-
-const static TInt KMemoryCheckInterval = 10*1000*1000;
-const static TInt KNeededMemoryLevel = 20*1024*1024;
-const static TInt KCriticalMemoryLevel = 18*1024*1024;
-
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::NewL
-// ---------------------------------------------------------------------------
-//
-CCamMemoryMonitor* CCamMemoryMonitor::NewL(CCamAppUi* aAppUi, CCamAppController* aController)
- {
- CCamMemoryMonitor* self = new (ELeave) CCamMemoryMonitor( aAppUi, aController );
- CleanupStack::PushL( self );
- self->ConstructL();
- CleanupStack::Pop(); // self;
- return self;
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::~CCamMemoryMonitor
-// ---------------------------------------------------------------------------
-//
-CCamMemoryMonitor::~CCamMemoryMonitor()
- {
- PRINT( _L("Camera => CCamMemoryMonitor::~CCamMemoryMonitor") )
- if ( iMemoryCheckTimer )
- {
- iMemoryCheckTimer->Cancel();
- delete iMemoryCheckTimer;
- }
- PRINT( _L("Camera <= CCamMemoryMonitor::~CCamMemoryMonitor") )
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::StartMonitoring
-// ---------------------------------------------------------------------------
-//
-void CCamMemoryMonitor::StartMonitoring( TInt aLimit, TInt aRequestAmount )
- {
- PRINT( _L("Camera => CCamMemoryMonitor::StartMonitoring") )
- if ( !iMemoryCheckTimer->IsActive() )
- {
- iLimit = aLimit;
- iRequestAmount = aRequestAmount;
- iMemoryCheckTimer->Start( KMemoryCheckInterval, KMemoryCheckInterval,
- TCallBack( MemoryCheck, this ) );
- }
- PRINT( _L("Camera <= CCamMemoryMonitor::StartMonitoring") )
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::StartMonitoring
-// ---------------------------------------------------------------------------
-//
-void CCamMemoryMonitor::StartMonitoring()
- {
- PRINT( _L("Camera => CCamMemoryMonitor::StartMonitoring") )
- if ( !iMemoryCheckTimer->IsActive() )
- {
- iMemoryCheckTimer->Start( KMemoryCheckInterval, KMemoryCheckInterval,
- TCallBack( MemoryCheck, this ) );
- }
- PRINT( _L("Camera <= CCamMemoryMonitor::StartMonitoring") )
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::StopMonitoring
-// ---------------------------------------------------------------------------
-//
-void CCamMemoryMonitor::StopMonitoring()
- {
- PRINT( _L("Camera => CCamMemoryMonitor::StopMonitoring") )
- iMemoryCheckTimer->Cancel();
- PRINT( _L("Camera <= CCamMemoryMonitor::StopMonitoring") )
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::CheckAndRequestMemoryL
-// ---------------------------------------------------------------------------
-//
-TInt CCamMemoryMonitor::CheckAndRequestMemoryL( TInt aLimit, TInt aRequestAmount, TBool aShowNote )
- {
-
- PRINT( _L("Camera => CCamMemoryMonitor::CheckAndRequestMemoryL") )
- if ( IsActive() )
- {
- return KErrNone;
- }
-
- TInt memoryLeft = 0;
- TInt errorCode = KErrNone;
- HAL::Get( HALData::EMemoryRAMFree, memoryLeft );
- if ( memoryLeft < aLimit )
- {
- PRINT( _L("Camera <> CCamMemoryMonitor::CheckAndRequestMemoryL memory below limit, requesting") )
- HBufC* freeMemText = NULL;
- CAknGlobalNote* note = NULL;
- TInt noteId = 0;
- if ( aShowNote )
- {
-
- freeMemText = StringLoader::LoadL( R_NOTE_TEXT_FREE_MEMORY );
- CleanupStack::PushL( freeMemText );
- // show error note
- note = CAknGlobalNote::NewL();
- CleanupStack::PushL( note );
-
- note->SetTextProcessing( ETrue );
- note->SetPriority(CActive::EPriorityHigh);
- noteId = note->ShowNoteL(EAknGlobalWaitNote, *freeMemText);
- }
-
- User::LeaveIfError( iOomMonitor.Connect() );
-
- errorCode = iOomMonitor.RequestFreeMemory( aRequestAmount );
- if ( errorCode != KErrNone )
- {
- // try one more time
- PRINT( _L("Camera <> CCamMemoryMonitor::CheckAndRequestMemoryL request returned with error, let's try one more time") )
- errorCode = iOomMonitor.RequestFreeMemory( aRequestAmount );
- }
- iOomMonitor.Close();
-
-
- if ( aShowNote )
- {
- note->CancelNoteL(noteId);
- CleanupStack::PopAndDestroy( 2 ); // freeMemText & note
- }
- }
-
- PRINT1( _L("Camera <= CCamMemoryMonitor::CheckAndRequestMemoryL returning %d"), errorCode )
- return errorCode;
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::CheckAndRequestMemoryL
-// ---------------------------------------------------------------------------
-//
-TInt CCamMemoryMonitor::CheckAndRequestMemoryL( TBool aShowNote )
- {
- return CheckAndRequestMemoryL( KCriticalMemoryLevel, KNeededMemoryLevel, aShowNote );
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::RunL
-// ---------------------------------------------------------------------------
-//
-void CCamMemoryMonitor::RunL()
- {
- PRINT( _L("Camera => CCamMemoryMonitor::RunL") )
- iOomMonitor.Close();
- PRINT( _L("Camera <= CCamMemoryMonitor::RunL") )
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::DoCancel
-// ---------------------------------------------------------------------------
-//
-void CCamMemoryMonitor::DoCancel()
- {
- PRINT( _L("Camera => CCamMemoryMonitor::DoCancel") )
- if ( IsActive() )
- {
- iOomMonitor.CancelRequestFreeMemory();
- iOomMonitor.Close();
- }
- PRINT( _L("Camera <= CCamMemoryMonitor::DoCancel") )
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::CCamMemoryMonitor
-// ---------------------------------------------------------------------------
-//
-CCamMemoryMonitor::CCamMemoryMonitor(CCamAppUi* aAppUi, CCamAppController* aController)
-: CActive( CActive::EPriorityIdle ),
- iLimit( KCriticalMemoryLevel ), iRequestAmount( KNeededMemoryLevel ),
- iAppUi( aAppUi ), iController( aController )
-
- {
- PRINT( _L("Camera => CCamMemoryMonitor::CCamMemoryMonitor") )
- CActiveScheduler::Add(this);
- PRINT( _L("Camera <= CCamMemoryMonitor::CCamMemoryMonitor") )
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::ConstructL
-// ---------------------------------------------------------------------------
-//
-void CCamMemoryMonitor::ConstructL()
- {
- PRINT( _L("Camera => CCamMemoryMonitor::ConstructL") )
- iMemoryCheckTimer = CPeriodic::New( CActive::EPriorityIdle );
- PRINT( _L("Camera <= CCamMemoryMonitor::ConstructL") )
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::MemoryCheck
-// ---------------------------------------------------------------------------
-//
-TInt CCamMemoryMonitor::MemoryCheck( TAny* aPtr )
- {
-
- PRINT( _L("Camera => CCamMemoryMonitor::MemoryCheck") )
- CCamMemoryMonitor* self = static_cast<CCamMemoryMonitor*>( aPtr );
-
- self->CheckMemory();
-
- PRINT( _L("Camera <= CCamMemoryMonitor::MemoryCheck") )
- return KErrNone;
- }
-
-// ---------------------------------------------------------------------------
-// CCamMemoryMonitor::CheckMemory
-// ---------------------------------------------------------------------------
-//
-void CCamMemoryMonitor::CheckMemory()
- {
- PRINT( _L("Camera => CCamMemoryMonitor::CheckMemory") )
- if ( IsActive() )
- {
- PRINT( _L("Camera <= CCamMemoryMonitor::CheckMemory already requesting memory") )
- return;
- }
-
- if ( iAppUi->CurrentViewState() == ECamViewStatePreCapture &&
- iController->CurrentOperation() == ECamNoOperation &&
- !iAppUi->AppInBackground( EFalse ) )
- {
- PRINT( _L("Camera <> CCamMemoryMonitor::CheckMemory checking memory") )
- TInt memoryLeft = 0;
- HAL::Get( HALData::EMemoryRAMFree, memoryLeft );
- if ( memoryLeft < iLimit )
- {
- TInt err = iOomMonitor.Connect();
- if ( !err )
- {
- PRINT( _L("Camera <> CCamMemoryMonitor::CheckMemory requesting memory") )
- iOomMonitor.RequestFreeMemory( iRequestAmount, iStatus );
- SetActive();
- }
- else
- {
- PRINT1( _L("Camera <> CCamMemoryMonitor::CheckMemory failed to connect to OoMMonitor err=%d"), err )
- }
- }
- else
- {
- PRINT( _L("Camera <> CCamMemoryMonitor::CheckMemory no need for memory request") )
- }
- }
- else
- {
- PRINT( _L("Camera <> CCamMemoryMonitor::CheckMemory not in correct state, not checking memory") )
- }
-
- PRINT( _L("Camera <= CCamMemoryMonitor::CheckMemory") )
- }