phonebookui/pbkcommonui/engine_inc/cntthumbnailmanager.h
author hgs
Mon, 23 Aug 2010 16:06:28 +0300
changeset 61 d30183af6ca6
permissions -rw-r--r--
201033
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
61
hgs
parents:
diff changeset
     1
/*
hgs
parents:
diff changeset
     2
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
hgs
parents:
diff changeset
     3
* All rights reserved.
hgs
parents:
diff changeset
     4
* This component and the accompanying materials are made available
hgs
parents:
diff changeset
     5
* under the terms of "Eclipse Public License v1.0"
hgs
parents:
diff changeset
     6
* which accompanies this distribution, and is available
hgs
parents:
diff changeset
     7
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
hgs
parents:
diff changeset
     8
*
hgs
parents:
diff changeset
     9
* Initial Contributors:
hgs
parents:
diff changeset
    10
* Nokia Corporation - initial contribution.
hgs
parents:
diff changeset
    11
*
hgs
parents:
diff changeset
    12
* Contributors:
hgs
parents:
diff changeset
    13
*
hgs
parents:
diff changeset
    14
* Description:  
hgs
parents:
diff changeset
    15
*
hgs
parents:
diff changeset
    16
*/
hgs
parents:
diff changeset
    17
hgs
parents:
diff changeset
    18
#ifndef CNTTHUMBNAILMANAGER_H_
hgs
parents:
diff changeset
    19
#define CNTTHUMBNAILMANAGER_H_
hgs
parents:
diff changeset
    20
hgs
parents:
diff changeset
    21
#include <QObject>
hgs
parents:
diff changeset
    22
#include <QMap>
hgs
parents:
diff changeset
    23
#include <thumbnailmanager_qt.h>
hgs
parents:
diff changeset
    24
/*!
hgs
parents:
diff changeset
    25
 * Wrapper class for ThumbnailManager. Reason for this class is to share
hgs
parents:
diff changeset
    26
 * thumbnail manager instances for performance reasons. 
hgs
parents:
diff changeset
    27
 * 
hgs
parents:
diff changeset
    28
 * When a thumbnail is requested, class checks that if there is a manager already
hgs
parents:
diff changeset
    29
 * for the requested size.  
hgs
parents:
diff changeset
    30
 */
hgs
parents:
diff changeset
    31
class CntThumbnailManager : public QObject
hgs
parents:
diff changeset
    32
{
hgs
parents:
diff changeset
    33
    Q_OBJECT
hgs
parents:
diff changeset
    34
    
hgs
parents:
diff changeset
    35
public:
hgs
parents:
diff changeset
    36
    CntThumbnailManager();
hgs
parents:
diff changeset
    37
    ~CntThumbnailManager();
hgs
parents:
diff changeset
    38
    
hgs
parents:
diff changeset
    39
    int getThumbnail( ThumbnailManager::ThumbnailSize aSize, const QString& aFile );
hgs
parents:
diff changeset
    40
    void cancelRequest( int aRequestId );
hgs
parents:
diff changeset
    41
    
hgs
parents:
diff changeset
    42
signals:
hgs
parents:
diff changeset
    43
    void thumbnailReady( QPixmap , void* , int , int );
hgs
parents:
diff changeset
    44
    
hgs
parents:
diff changeset
    45
private:
hgs
parents:
diff changeset
    46
    QMap<int, ThumbnailManager*> mManagers;
hgs
parents:
diff changeset
    47
};
hgs
parents:
diff changeset
    48
#endif /* CNTTHUMBNAILMANAGER_H_ */