vcs.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    if(!_pluginPath.size())
  31        _pluginPath = "/usr/lib/mdictionary/";
  32    loadPlugins();
  33
  34    if(!connect(&_timer, SIGNAL(timeout()), this, SLOT(translation())))
  35        qDebug() << "Timer signal not connected";
  36 }
  37
  38 Backbone::Backbone(QObject *parent)
  39     : QObject(parent)
  40 {
  41     init();
  42 }
  43
  44 Backbone::Backbone(QString pluginPath, QObject *parent)
  45     : QObject(parent)
  46 {
  47     _pluginPath = pluginPath;
  48     init();
  49 }
  50
  51
  52
  53 Backbone::~Backbone()
  54 {
  55     QListIterator<CommonDictInterface*> it(_dicts.keys());
  56
  57     while(it.hasNext())
  58         delete it.next();
  59
  60     it = QListIterator<CommonDictInterface*>(_plugins);
  61     while(it.hasNext())
  62         delete it.next();
  63
  64     QHashIterator<QString, Translation*> it2(_result);
  65     while(it2.hasNext())
  66         delete it2.next().value();
  67
  68 }
  69
  70
  71
  72
  73 Backbone::Backbone(const Backbone &b) :QObject(b.parent()) {
  74     init();
  75     _dicts = QHash<CommonDictInterface*, bool > (b._dicts);
  76     _plugins = QList<CommonDictInterface* > (b._plugins);
  77     _result = QHash<QString, Translation* > (b._result);
  78     _searchLimit = b.searchLimit();
  79 }
  80
  81
  82
  83
  84 int Backbone::searchLimit() const {
  85     return _searchLimit;
  86 }
  87
  88
  89
  90
  91 QHash<CommonDictInterface*, bool > Backbone::getDictionaries() {
  92     return _dicts;
  93 }
  94
  95
  96
  97
  98 QList<CommonDictInterface* > Backbone::getPlugins() {
  99     return _plugins;
 100 }
 101
 102
 103
 104
 105 QList<QString> Backbone::getHistory() {
 106     //TODO code needed
 107 }
 108
 109
 110
 111
 112 QMultiHash<QString, Translation*> Backbone::result() {
 113     return _result;
 114 }
 115
 116
 117
 118
 119 void Backbone::stopSearching() {
 120     _timer.stop();
 121     _innerResult.clear();
 122     foreach(CommonDictInterface* dict, _dicts.keys())
 123         dict->stop();
 124 }
 125
 126
 127
 128
 129 void Backbone::search(QString word) {
 130     _timer.stop();
 131     _result.clear();
 132     _innerResult.clear();
 133
 134     _timer.start(_interval);
 135     foreach(CommonDictInterface* dict, _dicts.keys())
 136         if(_dicts[dict] == 1) {
 137             QFuture<QList<Translation*> > tr =
 138                     QtConcurrent::run(dict,
 139                                       &CommonDictInterface::searchWordList,word,
 140                                                              searchLimit());
 141             _innerResult.append(tr);
 142         }
 143
 144 }
 145
 146
 147
 148
 149  void Backbone::selectedDictionaries(QList<CommonDictInterface* > activeDicts) {
 150      foreach(CommonDictInterface* dict, _dicts.keys())
 151          if(activeDicts.contains(dict))
 152              _dicts[dict] = 1;
 153          else
 154              _dicts[dict] = 0;
 155  }
 156
 157
 158
 159
 160  void Backbone::addDictionary(CommonDictInterface* dict) {
 161      dict->setHash(_dicts.size()+1);
 162      _dicts[dict] = 1;
 163  }
 164
 165  void Backbone::removeDictionary(CommonDictInterface *dict) {
 166      _dicts.remove(dict);
 167
 168  }
 169
 170
 171
 172  void Backbone::quit() {
 173     stopSearching();
 174     Q_EMIT closeOk();
 175 }
 176
 177
 178
 179 int Backbone::activeSearches() const {
 180     return _innerResult.size();
 181 }
 182
 183
 184
 185 void Backbone::translation() {
 186     foreach(QFuture<QList<Translation*> > trans, _innerResult) {
 187         if(!trans.isFinished())
 188             continue;
 189         QList<Translation*> tList = trans.result();
 190         foreach(Translation* t, tList)
 191             _result.insert(t->key(), t);
 192         _innerResult.removeOne(trans);
 193     }
 194     if(!_innerResult.size()) {
 195         _timer.stop();
 196         Q_EMIT ready();
 197     }
 198 }
 199
 200
 201
 202
 203 void Backbone::loadPlugins() {
 204     QDir plug(QDir::toNativeSeparators(_pluginPath));
 205     if(!plug.exists()) {
 206         qDebug() << plug.absolutePath() << " folder dosen't exists";
 207         return;
 208     }
 209     QStringList nameFilter;
 210     nameFilter << "*.so";
 211     plug.setFilter(QDir::Files);
 212     QStringList files = plug.entryList(nameFilter);
 213     qDebug() << files;
 214
 215
 216     foreach(QString file, files) {
 217         QPluginLoader loader(plug.absoluteFilePath(file));
 218         if(!loader.load()) {
 219             qDebug()<< file << " " << loader.errorString();
 220             continue;
 221         }
 222         QObject *pl = loader.instance();
 223
 224         CommonDictInterface *plugin = qobject_cast<CommonDictInterface*>(pl);
 225         _plugins.append(plugin);
 226         addDictionary(plugin->getNew(0)); //TODO change 0 to real settings
 227     }
 228 }
 229
 230
 231