videocollection/videofiledetailsview/tsrc/testplugin/stub/src/videoproxymodelgeneric.cpp
changeset 62 0e1e938beb1a
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59:a76e86df7ccd 62:0e1e938beb1a
       
     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: Dummy VideoProxyModelGeneric class implementation
       
    15 * 
       
    16 */
       
    17 // INCLUDE FILES
       
    18 #include "videoproxymodelgeneric.h"
       
    19 
       
    20 // ================= MEMBER FUNCTIONS =======================
       
    21 //
       
    22 
       
    23 // -----------------------------------------------------------------------------
       
    24 // VideoProxyModelGeneric()
       
    25 // -----------------------------------------------------------------------------
       
    26 //
       
    27 VideoProxyModelGeneric::VideoProxyModelGeneric(QObject *parent) :
       
    28 QAbstractItemModel(parent),
       
    29 mStartPlaybackIndex(TMPXItemId::InvalidId()),
       
    30 mDeleteFileIndex(-1)
       
    31 {
       
    32     reset();
       
    33 }
       
    34 
       
    35 // -----------------------------------------------------------------------------
       
    36 // ~VideoProxyModelGeneric()
       
    37 // -----------------------------------------------------------------------------
       
    38 //
       
    39 VideoProxyModelGeneric::~VideoProxyModelGeneric()
       
    40 {
       
    41     reset();
       
    42 }
       
    43 
       
    44 // -----------------------------------------------------------------------------
       
    45 // lastIndex()
       
    46 // -----------------------------------------------------------------------------
       
    47 //
       
    48 QModelIndex VideoProxyModelGeneric::lastIndex()
       
    49 {
       
    50     return mLastIndex;
       
    51 }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // lastIndex()
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 TMPXItemId VideoProxyModelGeneric::lastId()
       
    58 {
       
    59     return mLastId;
       
    60 }
       
    61 
       
    62 // -----------------------------------------------------------------------------
       
    63 // dataAccessCount()
       
    64 // -----------------------------------------------------------------------------
       
    65 //
       
    66 int VideoProxyModelGeneric::dataAccessCount()
       
    67 {
       
    68     return mDataAccessCount;
       
    69 }
       
    70 
       
    71 // -----------------------------------------------------------------------------
       
    72 // reset()
       
    73 // -----------------------------------------------------------------------------
       
    74 //
       
    75 void VideoProxyModelGeneric::reset()
       
    76 {
       
    77     mLastIndex = QModelIndex();
       
    78     mLastId    = TMPXItemId::InvalidId();
       
    79     mDataAccessCount = 0;
       
    80     mRowCount = 0;
       
    81     mData.clear();
       
    82     mStartPlaybackIndex = TMPXItemId::InvalidId();
       
    83     mDeleteFileIndex = -1;
       
    84     mDatareturnsInvalid = false;
       
    85 }
       
    86 
       
    87 // -----------------------------------------------------------------------------
       
    88 // setDataReturnInvalid()
       
    89 // -----------------------------------------------------------------------------
       
    90 //
       
    91 void VideoProxyModelGeneric::setDataReturnInvalid(bool setInvalid)
       
    92 {
       
    93     mDatareturnsInvalid = setInvalid;
       
    94 }
       
    95 
       
    96 // -----------------------------------------------------------------------------
       
    97 // setData()
       
    98 // -----------------------------------------------------------------------------
       
    99 //
       
   100 void VideoProxyModelGeneric::setData(int role, QVariant data)
       
   101 {
       
   102     mData.insert(role, data);
       
   103 }
       
   104 
       
   105 // -----------------------------------------------------------------------------
       
   106 // setRowCount()
       
   107 // -----------------------------------------------------------------------------
       
   108 //
       
   109 void VideoProxyModelGeneric::setRowCount(int count)
       
   110 {
       
   111     if ( count == mRowCount ) return;
       
   112     
       
   113     if ( count > mRowCount ) {
       
   114         beginInsertRows(QModelIndex(), mRowCount, count);
       
   115         mRowCount = count;
       
   116         endInsertRows();
       
   117     } else {
       
   118         beginRemoveRows(QModelIndex(), count, mRowCount);
       
   119         mRowCount = count;
       
   120         endRemoveRows();
       
   121     }
       
   122 }
       
   123 
       
   124 // -----------------------------------------------------------------------------
       
   125 // rowCount()
       
   126 // -----------------------------------------------------------------------------
       
   127 //
       
   128 int VideoProxyModelGeneric::rowCount(const QModelIndex &parent ) const
       
   129 {
       
   130     // according to Qt documentation if parent is valid this should return 0 if
       
   131     // implementing a table based implementation like this.
       
   132     if (parent.isValid())
       
   133     {
       
   134         return 0;
       
   135     }
       
   136     
       
   137     return mRowCount;
       
   138 }
       
   139 
       
   140 // -----------------------------------------------------------------------------
       
   141 // itemData()
       
   142 // -----------------------------------------------------------------------------
       
   143 //
       
   144 QMap<int, QVariant> VideoProxyModelGeneric::itemData(const QModelIndex &index) const
       
   145 {
       
   146     QMap<int, QVariant> itemData;
       
   147     if (index.isValid()) 
       
   148     {
       
   149         // returns only basic data of the item
       
   150         itemData.insert(Qt::DisplayRole, data(index, Qt::DisplayRole));
       
   151         itemData.insert(Qt::DecorationRole, data(index, Qt::DecorationRole)); 
       
   152         itemData.insert(Qt::BackgroundRole, data(index, Qt::BackgroundRole)); 
       
   153     }
       
   154     return itemData;
       
   155 
       
   156 }
       
   157 // -----------------------------------------------------------------------------
       
   158 // data()
       
   159 // -----------------------------------------------------------------------------
       
   160 //
       
   161 QVariant VideoProxyModelGeneric::data(const QModelIndex & index, int role) const
       
   162 {
       
   163     QVariant returnValue = QVariant();
       
   164     mLastIndex = index;
       
   165     mDataAccessCount++;
       
   166     if (index.isValid() && !mDatareturnsInvalid) 
       
   167     {
       
   168         returnValue = mData.value(role);
       
   169     }
       
   170     
       
   171     return returnValue;
       
   172 }
       
   173 
       
   174 // -----------------------------------------------------------------------------
       
   175 // columnCount()
       
   176 // -----------------------------------------------------------------------------
       
   177 //
       
   178 int VideoProxyModelGeneric::columnCount(const QModelIndex & parent) const
       
   179 {
       
   180     // according to Qt documentation if parent is valid this should return 0 if
       
   181     // implementing a table based implementation like this.
       
   182     if (parent.isValid())
       
   183     {
       
   184         return 0;
       
   185     }
       
   186     else
       
   187     {
       
   188         return 1;
       
   189     }
       
   190 }
       
   191 
       
   192 // -----------------------------------------------------------------------------
       
   193 // index()
       
   194 // -----------------------------------------------------------------------------
       
   195 //
       
   196 QModelIndex VideoProxyModelGeneric::index(int row, int column, const QModelIndex & /*parent*/) const
       
   197 {
       
   198     return createIndex(row, column);
       
   199 }
       
   200 
       
   201 // -----------------------------------------------------------------------------
       
   202 // parent()
       
   203 // -----------------------------------------------------------------------------
       
   204 //
       
   205 QModelIndex VideoProxyModelGeneric::parent(const QModelIndex & /*index*/) const
       
   206 {
       
   207     return QModelIndex();
       
   208 }
       
   209 
       
   210 // -----------------------------------------------------------------------------
       
   211 // openItem()
       
   212 // -----------------------------------------------------------------------------
       
   213 //
       
   214 int VideoProxyModelGeneric::openItem(const TMPXItemId &index)
       
   215 {
       
   216     mStartPlaybackIndex = index;
       
   217     return 0;
       
   218 }
       
   219     
       
   220 // -----------------------------------------------------------------------------
       
   221 // deleteItems()
       
   222 // -----------------------------------------------------------------------------
       
   223 //
       
   224 int VideoProxyModelGeneric::deleteItems(const QModelIndexList &indexList)
       
   225 {
       
   226     if(indexList.count() > 0)
       
   227     {
       
   228         mDeleteFileIndex = indexList.at(0).row();
       
   229         return 0;
       
   230     }
       
   231     else
       
   232     {
       
   233         mDeleteFileIndex = -1;
       
   234         return -1;
       
   235     }
       
   236     
       
   237 }
       
   238 
       
   239 // -----------------------------------------------------------------------------
       
   240 // startPlaybackIndex()
       
   241 // -----------------------------------------------------------------------------
       
   242 //
       
   243 TMPXItemId VideoProxyModelGeneric::startPlaybackIndex()
       
   244 {
       
   245     return mStartPlaybackIndex;
       
   246 }     
       
   247 
       
   248 // -----------------------------------------------------------------------------
       
   249 // deleteFileIndex()
       
   250 // -----------------------------------------------------------------------------
       
   251 //
       
   252 int VideoProxyModelGeneric::deleteFileIndex()
       
   253 {
       
   254     return mDeleteFileIndex;
       
   255 }
       
   256 
       
   257 // -----------------------------------------------------------------------------
       
   258 // sourceModel()
       
   259 // -----------------------------------------------------------------------------
       
   260 //
       
   261 VideoProxyModelGeneric* VideoProxyModelGeneric::sourceModel()
       
   262 {
       
   263     return this;
       
   264 }
       
   265 
       
   266 // -----------------------------------------------------------------------------
       
   267 // getMediaIdAtIndex()
       
   268 // -----------------------------------------------------------------------------
       
   269 //
       
   270 TMPXItemId VideoProxyModelGeneric::getMediaIdAtIndex(const QModelIndex &/*index*/)
       
   271 {
       
   272 	TMPXItemId id = TMPXItemId::InvalidId();
       
   273 	id.iId1 = mLastIndex.row();
       
   274 	id.iId2 = 0;
       
   275 	return id;
       
   276 }
       
   277 
       
   278 // -----------------------------------------------------------------------------
       
   279 //  VideoProxyModelGeneric::indexOfId()
       
   280 // -----------------------------------------------------------------------------
       
   281 //
       
   282 QModelIndex VideoProxyModelGeneric::indexOfId(TMPXItemId id)
       
   283 {    
       
   284 	mLastId = id;
       
   285 	mLastIndex = createIndex(id.iId1, 0);
       
   286 	return mLastIndex; //rikki! createIndex(row, column)
       
   287 }
       
   288 
       
   289 
       
   290 // End of file