git.maemo.org Git - mdictionary/blob - trunk/src/base/backbone/backbone.cpp

   1 /*******************************************************************************
   2
   3     This file is part of mDictionary.
   4
   5     mDictionary is free software: you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation, either version 3 of the License, or
   8     (at your option) any later version.
   9
  10     mDictionary is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with mDictionary.  If not, see <http://www.gnu.org/licenses/>.
  17
  18     Copyright 2010 Comarch S.A.
  19
  20 *******************************************************************************/
  21
  22 // Created by Bartosz Szatkowski
  23
  24 #include "backbone.h"
  25 #include <QDebug>
  26
  27 void Backbone::init() {
  28    _searchLimit = 10;
  29    _interval = 250; //msec
  30    loadPlugins();
  31    if(!connect(&_timer, SIGNAL(timeout()), this, SLOT(translation())))
  32        qDebug() << "Timer signal not connected";
  33 }
  34
  35 Backbone::Backbone(QObject *parent)
  36     : QObject(parent)
  37 {
  38     init();
  39 }
  40
  41
  42
  43 Backbone::~Backbone()
  44 {
  45     QListIterator<CommonDictInterface*> it(_dicts.keys());
  46
  47     while(it.hasNext())
  48         delete it.next();
  49
  50     it = QListIterator<CommonDictInterface*>(_plugins);
  51     while(it.hasNext())
  52         delete it.next();
  53
  54     QHashIterator<QString, Translation*> it2(_result);
  55     while(it2.hasNext())
  56         delete it2.next().value();
  57
  58 }
  59
  60
  61
  62
  63 Backbone::Backbone(const Backbone &b) :QObject(b.parent()) {
  64     init();
  65     _dicts = QHash<CommonDictInterface*, bool > (b._dicts);
  66     _plugins = QList<CommonDictInterface* > (b._plugins);
  67     _result = QHash<QString, Translation* > (b._result);
  68     _searchLimit = b.searchLimit();
  69 }
  70
  71
  72
  73
  74 int Backbone::searchLimit() const {
  75     return _searchLimit;
  76 }
  77
  78
  79
  80
  81 QHash<CommonDictInterface*, bool > Backbone::getDictionaries() {
  82     return _dicts;
  83 }
  84
  85
  86
  87
  88 QList<CommonDictInterface* > Backbone::getPlugins() {
  89     return _plugins;
  90 }
  91
  92
  93
  94
  95 QList<QString> Backbone::getHistory() {
  96     //TODO code needed
  97 }
  98
  99
 100
 101
 102 QMultiHash<QString, Translation*> Backbone::result() {
 103     return _result;
 104 }
 105
 106
 107
 108
 109 void Backbone::stopSearching() {
 110     _timer.stop();
 111     _innerResult.clear();
 112     foreach(CommonDictInterface* dict, _dicts.keys())
 113         dict->stop();
 114 }
 115
 116
 117
 118
 119 void Backbone::search(QString word) {
 120     //TODO add running searches in new threads
 121     _timer.stop();
 122     _result.clear();
 123     _innerResult.clear();
 124
 125     _timer.start(_interval);
 126     foreach(CommonDictInterface* dict, _dicts.keys())
 127         if(_dicts[dict] == 1) {
 128             QFuture<QList<Translation*> > tr =
 129                     QtConcurrent::run(dict,
 130                                       &CommonDictInterface::searchWordList,word,
 131                                                              searchLimit());
 132             _innerResult.append(tr);
 133         }
 134
 135 }
 136
 137
 138
 139
 140  void Backbone::selectedDictionaries(QList<CommonDictInterface* > activeDicts) {
 141      foreach(CommonDictInterface* dict, _dicts.keys())
 142          if(activeDicts.contains(dict))
 143              _dicts[dict] = 1;
 144          else
 145              _dicts[dict] = 0;
 146  }
 147
 148
 149
 150
 151  void Backbone::addDictionary(CommonDictInterface* dict) {
 152      dict->setHash(_dicts.size()+1);
 153      _dicts[dict] = 1;
 154  }
 155
 156
 157
 158  void Backbone::quit() {
 159     stopSearching();
 160     Q_EMIT closeOk();
 161 }
 162
 163
 164
 165 int Backbone::activeSearches() const {
 166     return _innerResult.size();
 167 }
 168
 169
 170
 171 void Backbone::translation() {
 172     foreach(QFuture<QList<Translation*> > trans, _innerResult) {
 173         if(!trans.isFinished())
 174             continue;
 175         QList<Translation*> tList = trans.result();
 176         foreach(Translation* t, tList)
 177             _result.insert(t->key(), t);
 178         _innerResult.removeOne(trans);
 179     }
 180     if(!_innerResult.size()) {
 181         _timer.stop();
 182         Q_EMIT ready();
 183     }
 184 }
 185
 186
 187
 188
 189 void Backbone::loadPlugins() {
 190     QPluginLoader loader("xdxf.so");
 191     if(!loader.load()) {
 192         qDebug()<<loader.errorString();
 193         return;
 194     }
 195     QObject *pl = loader.instance();
 196
 197     qDebug()<<"loaded";
 198     CommonDictInterface *plugin = qobject_cast<CommonDictInterface*>(pl);
 199     _plugins.append(plugin);
 200     addDictionary(plugin->getNew(0)); //TODO change 0 to real settings
 201 }
 202
 203
 204