1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #include "mobcnticonmanager.h"

    19 #include <thumbnailmanager_qt.h>

    20 #include <QDebug>

    21 

    22 const int KMaxQueueSize = 25;

    23 const int KContactFetchTimer1 = 400;

    24 const int KContactFetchTimer2 = 20;

    25 /*!

    26  Constructor

    27  */

    28 MobCntIconManager::MobCntIconManager(QObject *parent)

    29     : QObject(parent),

    30       mQueueCount(0)

    31 {

    32     mThumbnailManager = new ThumbnailManager(this);

    33     mThumbnailManager->setMode(ThumbnailManager::Default);

    34     mThumbnailManager->setQualityPreference(ThumbnailManager::OptimizeForPerformance);

    35     mThumbnailManager->setThumbnailSize(ThumbnailManager::ThumbnailSmall);

    36 

    37     connect(mThumbnailManager, SIGNAL(thumbnailReady(QPixmap, void *, int, int)),

    38              this, SLOT(thumbnailReady(QPixmap, void *, int, int)));

    39              

    40     mTimer = new QTimer();

    41     connect( mTimer, SIGNAL(timeout()), this, SLOT(timerTimeout()) );

    42                       

    43 }

    44 

    45 /*!

    46  Destructor

    47  */

    48 MobCntIconManager::~MobCntIconManager()

    49 {

    50     cancel();

    51     mImageCache.clear();

    52     delete mTimer;

    53 }

    54 

    55 /*!

    56 Get the icon for the requested avatarPath or send a new request to the thumbnailmanager if it doesn't exist yet

    57 */

    58 QIcon MobCntIconManager::contactIcon(const QString &avatarPath, int index)

    59 {

    60     QIcon icon;

    61     if ( mImageCache.contains(avatarPath) )

    62     {

    63         icon = mImageCache.value(avatarPath);

    64 		qDebug() << "MobCntIconManager::contactIcon:: image was cached";

    65     }

    66     else

    67     {      

    68         mTimer->stop();

    69         mTimer->start(KContactFetchTimer1); 

    70         mQueueCount++;

    71         mRequestQueue.enqueue(qMakePair(avatarPath, index));

    72         if( mQueueCount > KMaxQueueSize )

    73         {

    74            mRequestQueue.dequeue();

    75            mQueueCount--;

    76         }        

    77     }

    78     return icon;

    79 }

    80 

    81 /*!

    82 Cancel all requests

    83 */

    84 void MobCntIconManager::cancel()

    85 {

    86     if (!mTnmReqMap.empty())

    87     {

    88         QMapIterator<int, QString> iter(mTnmReqMap);

    89         while (iter.hasNext())

    90         {

    91             iter.next();

    92             bool result = mThumbnailManager->cancelRequest(iter.key());

    93         }

    94     }

    95     mTnmReqMap.clear();

    96     mRequestQueue.clear();

    97     mQueueCount = 0;

    98 }

    99 

   100 /*!

   101 Called when thumbnailmanager finishes creating a thumbnail, emits a signal for MobCntModel to update icon for a contact

   102 */

   103 void MobCntIconManager::thumbnailReady(const QPixmap& pixmap, void *data, int id, int error)

   104 {

   105 	qDebug() << "MobCntIconManager::thumbnailReady:: error is " << error;

   106 	

   107     // Find the index

   108     if (mTnmReqMap.contains(id))

   109     {

   110         QString avatarPath = mTnmReqMap[id];

   111         mTnmReqMap.remove(id);

   112         if ( error == 0 )

   113         {

   114             int *clientData = (int *)data;

   115             int index = *clientData;

   116 			qDebug() << "MobCntIconManager::thumbnailReady:: data is " << index;

   117             QIcon icon(pixmap);

   118             mImageCache.insert(avatarPath, icon);

   119             emit contactIconReady(index);

   120 			qDebug() << "MobCntIconManager::thumbnailReady - signal emitted";

   121             if (!mRequestQueue.isEmpty())

   122             {

   123                 mTimer->start(KContactFetchTimer2);                

   124             }

   125     

   126             delete clientData;

   127             

   128         } else {

   129         	  thumbnailLoad();

   130         }

   131     }

   132 }

   133 

   134 void MobCntIconManager::thumbnailLoad()

   135 {

   136 	mTimer->stop();

   137     if (!mRequestQueue.isEmpty())

   138     { 

   139 		mQueueCount--;

   140         QPair<QString, int> req = mRequestQueue.dequeue();

   141         QString avatarPath = req.first;

   142         int index = req.second;

   143         int *clientData = new int(index);

   144         int reqId = mThumbnailManager->getThumbnail(avatarPath, clientData, 0);

   145         mTnmReqMap.insert(reqId, avatarPath);

   146     }

   147  

   148 }

   149 

   150 void MobCntIconManager::timerTimeout()

   151 {

   152     thumbnailLoad();	

   153 }

   154 

   155