diff -r 000000000000 -r 4a5361db8937 logsui/logsengine/src/logsthumbnailmanager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/logsui/logsengine/src/logsthumbnailmanager.cpp	Tue May 04 12:39:37 2010 +0300
@@ -0,0 +1,189 @@
+/*
+* 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 "logsthumbnailmanager.h"
+#include "logslogger.h"
+#include "logsengdefs.h"
+#include <thumbnailmanager_qt.h>
+#include <hbicon.h>
+
+const int KMaxQueueSize = 25;
+const int KContactFetchTimer1 = 400;
+const int KContactFetchTimer2 = 20;
+const int KLogsMaxCacheSize   = 50;
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+LogsThumbIconManager::LogsThumbIconManager(QObject *parent)
+    : QObject(parent),
+      mQueueCount(0),
+      mDefaultIcon(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()) );
+    mDefaultIcon = new HbIcon(logsThumbUnknownId);
+    mImageCache.setMaxCost(KLogsMaxCacheSize);
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+LogsThumbIconManager::~LogsThumbIconManager()
+{
+    cancel();
+    mImageCache.clear();
+    delete mTimer;
+    delete mDefaultIcon;
+}
+
+// -----------------------------------------------------------------------------
+// Get the icon for the requested avatarPath or send a new request
+// to the thumbnailmanager if it doesn't exist yet, default icon is returned
+// if cached icon does not exist
+// -----------------------------------------------------------------------------
+//
+QIcon& LogsThumbIconManager::contactIcon(const QString &avatarPath, int index)
+{
+    LOGS_QDEBUG( "logs [ENG] -> LogsThumbIconManager::contactIcon()" )
+    QIcon* icon = 0;
+    if ( avatarPath.isEmpty() ){
+        icon = &defaultIcon();
+    } else if ( mImageCache.contains(avatarPath) ) {
+        icon = mImageCache.object(avatarPath);
+        LOGS_QDEBUG( "logs [ENG] -> LogsThumbIconManager::contactIcon() image was cached" )
+    }
+    else
+    {
+        icon = &defaultIcon();
+        mTimer->stop();
+        mTimer->start(KContactFetchTimer1); 
+        mQueueCount++;
+        mRequestQueue.enqueue(qMakePair(avatarPath, index));
+        if( mQueueCount > KMaxQueueSize ){
+            LOGS_QDEBUG( "logs [ENG] -> LogsThumbIconManager::contactIcon() image was not cached" )
+            mRequestQueue.dequeue();
+            mQueueCount--;
+        }        
+    }
+    return *icon;
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+QIcon& LogsThumbIconManager::defaultIcon()
+{
+    return mDefaultIcon->qicon();
+}
+
+// -----------------------------------------------------------------------------
+// Cancel all requests
+// -----------------------------------------------------------------------------
+//
+void LogsThumbIconManager::cancel()
+{
+    LOGS_QDEBUG( "logs [ENG] -> LogsThumbIconManager::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;
+    mImageCache.clear();
+}
+
+
+// -----------------------------------------------------------------------------
+// Called when thumbnailmanager finishes creating a thumbnail,
+// emits a signal for LogsMatchesModelModel to update icon for a contact
+// -----------------------------------------------------------------------------
+//
+void LogsThumbIconManager::thumbnailReady(const QPixmap& pixmap, void *data, int id, int error)
+{
+	LOGS_QDEBUG_2("LogsThumbIconManager::thumbnailReady:: error:", error );
+    // Find the index
+    if (mTnmReqMap.contains(id)){
+        QString avatarPath = mTnmReqMap[id];
+        LOGS_QDEBUG_3( "LogsThumbIconManager::thumbnailReady (avatarPath, error):", avatarPath, error );
+        mTnmReqMap.remove(id);
+        if ( error == 0 ){
+            int *clientData = (int *)data;
+            int index = *clientData;
+            QIcon* icon = new QIcon(pixmap);
+            LOGS_QDEBUG_3( "LogsThumbIconManager::thumbnailReady (avatarPath, mImageCache.count()):", avatarPath, mImageCache.count() );
+            mImageCache.insert(avatarPath, icon);
+            LOGS_QDEBUG_3( "LogsThumbIconManager::thumbnailReady (avatarPath, mImageCache.count()):", avatarPath, mImageCache.count() );
+            emit contactIconReady(index);
+            LOGS_QDEBUG("LogsThumbIconManager::thumbnailReady - signal emitted");
+            if (!mRequestQueue.isEmpty()){
+                mTimer->start(KContactFetchTimer2);                
+            }
+            delete clientData;
+        } else {
+        	  thumbnailLoad();
+        }
+    }
+}
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void LogsThumbIconManager::thumbnailLoad()
+{
+    LOGS_QDEBUG( "logs [ENG] -> LogsThumbIconManager::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);
+        LOGS_QDEBUG_2("LogsThumbIconManager::thumbnailLoad clientData is ", clientData );
+        int reqId = mThumbnailManager->getThumbnail(avatarPath, clientData, 0);
+        LOGS_QDEBUG_2("LogsThumbIconManager::thumbnailLoad reqId is ", reqId );
+        mTnmReqMap.insert(reqId, avatarPath);
+    }
+    LOGS_QDEBUG( "logs [ENG] -> LogsThumbIconManager::thumbnailLoad()<-" )
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void LogsThumbIconManager::timerTimeout()
+{
+    thumbnailLoad();
+ 	
+}
+
+