--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/mobcntmodel/src/mobcnticonmanager.cpp	Fri Mar 19 09:27:18 2010 +0200
@@ -0,0 +1,155 @@
+/*
+* 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:
+*
+*/
+
+#include "mobcnticonmanager.h"
+#include <thumbnailmanager_qt.h>
+#include <QDebug>
+
+const int KMaxQueueSize = 25;
+const int KContactFetchTimer1 = 400;
+const int KContactFetchTimer2 = 20;
+/*!
+ Constructor
+ */
+MobCntIconManager::MobCntIconManager(QObject *parent)
+    : QObject(parent),
+      mQueueCount(0)
+{
+    mThumbnailManager = new ThumbnailManager(this);
+    mThumbnailManager->setMode(ThumbnailManager::Default);
+    mThumbnailManager->setQualityPreference(ThumbnailManager::OptimizeForPerformance);
+    mThumbnailManager->setThumbnailSize(ThumbnailManager::ThumbnailSmall);
+
+    connect(mThumbnailManager, SIGNAL(thumbnailReady(QPixmap, void *, int, int)),
+             this, SLOT(thumbnailReady(QPixmap, void *, int, int)));
+             
+    mTimer = new QTimer();
+    connect( mTimer, SIGNAL(timeout()), this, SLOT(timerTimeout()) );
+                      
+}
+
+/*!
+ Destructor
+ */
+MobCntIconManager::~MobCntIconManager()
+{
+    cancel();
+    mImageCache.clear();
+    delete mTimer;
+}
+
+/*!
+Get the icon for the requested avatarPath or send a new request to the thumbnailmanager if it doesn't exist yet
+*/
+QIcon MobCntIconManager::contactIcon(const QString &avatarPath, int index)
+{
+    QIcon icon;
+    if ( mImageCache.contains(avatarPath) )
+    {
+        icon = mImageCache.value(avatarPath);
+		qDebug() << "MobCntIconManager::contactIcon:: image was cached";
+    }
+    else
+    {      
+        mTimer->stop();
+        mTimer->start(KContactFetchTimer1); 
+        mQueueCount++;
+        mRequestQueue.enqueue(qMakePair(avatarPath, index));
+        if( mQueueCount > KMaxQueueSize )
+        {
+           mRequestQueue.dequeue();
+           mQueueCount--;
+        }        
+    }
+    return icon;
+}
+
+/*!
+Cancel all requests
+*/
+void MobCntIconManager::cancel()
+{
+    if (!mTnmReqMap.empty())
+    {
+        QMapIterator<int, QString> iter(mTnmReqMap);
+        while (iter.hasNext())
+        {
+            iter.next();
+            bool result = mThumbnailManager->cancelRequest(iter.key());
+        }
+    }
+    mTnmReqMap.clear();
+    mRequestQueue.clear();
+    mQueueCount = 0;
+}
+
+/*!
+Called when thumbnailmanager finishes creating a thumbnail, emits a signal for MobCntModel to update icon for a contact
+*/
+void MobCntIconManager::thumbnailReady(const QPixmap& pixmap, void *data, int id, int error)
+{
+	qDebug() << "MobCntIconManager::thumbnailReady:: error is " << error;
+	
+    // Find the index
+    if (mTnmReqMap.contains(id))
+    {
+        QString avatarPath = mTnmReqMap[id];
+        mTnmReqMap.remove(id);
+        if ( error == 0 )
+        {
+            int *clientData = (int *)data;
+            int index = *clientData;
+			qDebug() << "MobCntIconManager::thumbnailReady:: data is " << index;
+            QIcon icon(pixmap);
+            mImageCache.insert(avatarPath, icon);
+            emit contactIconReady(index);
+			qDebug() << "MobCntIconManager::thumbnailReady - signal emitted";
+            if (!mRequestQueue.isEmpty())
+            {
+                mTimer->start(KContactFetchTimer2);                
+            }
+    
+            delete clientData;
+            
+        } else {
+        	  thumbnailLoad();
+        }
+    }
+}
+
+void MobCntIconManager::thumbnailLoad()
+{
+	mTimer->stop();
+    if (!mRequestQueue.isEmpty())
+    { 
+		mQueueCount--;
+        QPair<QString, int> req = mRequestQueue.dequeue();
+        QString avatarPath = req.first;
+        int index = req.second;
+        int *clientData = new int(index);
+        int reqId = mThumbnailManager->getThumbnail(avatarPath, clientData, 0);
+        mTnmReqMap.insert(reqId, avatarPath);
+    }
+ 
+}
+
+void MobCntIconManager::timerTimeout()
+{
+    thumbnailLoad();	
+}
+
+