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 /*! /file backbone.cpp
  22 \brief Backbone/core main file \see Backbone
  23
  24
  25 \author Bartosz Szatkowski <bulislaw@linux.com>
  26 */
  27
  28 #include "backbone.h"
  29 #include <QDebug>
  30
  31 QString mappedSearch;
  32 QList<Translation*> mapSearch(CommonDictInterface *dict) {
  33     if(dict)
  34         return dict->searchWordList(mappedSearch, 15);
  35     return QList<Translation*>();
  36 }
  37
  38 class TranslationPtr {
  39     Translation* _tr;
  40 public:
  41     TranslationPtr(Translation* tr) :_tr(tr) {}
  42     QString toHtml() const {
  43         QString trans;
  44         trans = _tr->toHtml();
  45         return trans;
  46
  47     }
  48 };
  49
  50 void Backbone::init() {
  51
  52    if(!_configPath.size())
  53        _configPath = QDir::homePath() + "/.mdictionary/mdictionary.config";
  54    if(!_defaultConfigPath.size())
  55        _defaultConfigPath = QDir::homePath() + "/.mdictionary/mdictionary.defaults";
  56    if(!_pluginPath.size())
  57        _pluginPath = "/usr/lib/mdictionary";
  58    _historyLen = 10;
  59    _searchLimit = 15;
  60
  61    loadPrefs(_defaultConfigPath);
  62    _defaultPluginPath = _pluginPath;
  63    _defaultHistoryLen = _historyLen;
  64    _defaultSearchLimit = _searchLimit;
  65    loadPrefs(_configPath);
  66
  67    loadPlugins();
  68
  69    loadDicts(_defaultConfigPath, true);
  70    loadDicts(_configPath);
  71
  72    connect(&_resultWatcher, SIGNAL(finished()), this, SLOT(translationReady()));
  73    connect(&_htmlResultWatcher, SIGNAL(finished()), this,
  74            SLOT(htmlTranslationReady()));
  75    connect(&_bookmarkWatcher, SIGNAL(finished()), this,
  76            SLOT(bookmarksListReady()));
  77    connect(&_bookmarkSearchWatcher, SIGNAL(finished()), this,
  78            SLOT(translationReady()));
  79
  80    QThreadPool::globalInstance()->setMaxThreadCount(
  81            QThreadPool::globalInstance()->maxThreadCount()+1);
  82
  83    _history = new History(5, this);
  84 }
  85
  86
  87
  88 Backbone::Backbone(QString pluginPath, QString configPath, bool dry,
  89                    QObject *parent)
  90     : QObject(parent)
  91 {
  92     _pluginPath = pluginPath;
  93     _configPath = configPath;
  94     _defaultConfigPath = configPath;
  95     dryRun = false;
  96     if(dry)
  97         dryRun = true;
  98     init();
  99 }
 100
 101
 102
 103 Backbone::~Backbone()
 104 {
 105     QListIterator<CommonDictInterface*> it(_dicts.keys());
 106
 107     while(it.hasNext())
 108         delete it.next();
 109
 110     it = QListIterator<CommonDictInterface*>(_plugins);
 111     while(it.hasNext())
 112         delete it.next();
 113
 114     QHashIterator<QString, Translation*> it2(_result);
 115     while(it2.hasNext())
 116         delete it2.next().value();
 117
 118 }
 119
 120
 121
 122
 123 Backbone::Backbone(const Backbone &b) :QObject(b.parent()) {
 124     _dicts = QHash<CommonDictInterface*, bool > (b._dicts);
 125     _plugins = QList<CommonDictInterface* > (b._plugins);
 126     _result = QHash<QString, Translation* > (b._result);
 127     _searchLimit = b.searchLimit();
 128 }
 129
 130
 131
 132
 133 int Backbone::searchLimit() const {
 134     return _searchLimit;
 135 }
 136
 137
 138
 139 QHash<CommonDictInterface*, bool > Backbone::getDictionaries() {
 140     return _dicts;
 141 }
 142
 143
 144
 145 QList<CommonDictInterface* > Backbone::getPlugins() {
 146     return _plugins;
 147 }
 148
 149
 150
 151 History* Backbone::history() {
 152     return _history;
 153 }
 154
 155
 156
 157 QMultiHash<QString, Translation*> Backbone::result() {
 158     return _result;
 159 }
 160
 161
 162
 163 void Backbone::stopSearching() {
 164     if(stopped)
 165         return;
 166
 167     foreach(CommonDictInterface* dict, _dicts.keys())
 168         dict->stop();
 169     stopped = true;
 170     _innerHtmlResult.cancel();
 171     _innerResult.cancel();
 172     Q_EMIT searchCanceled();
 173 }
 174
 175
 176
 177 void Backbone::search(QString word) {
 178     _result.clear();
 179     mappedSearch = word.toLower();
 180
 181     stopped = false;
 182
 183     _innerResult = QtConcurrent::mapped(activeDicts(), mapSearch);
 184     _resultWatcher.setFuture(_innerResult);
 185
 186     _innerBookmarks = QtConcurrent::run(bookmarks, &Bookmarks::searchWordList,
 187                                         word);
 188     _bookmarkSearchWatcher.setFuture(_innerBookmarks);
 189 }
 190
 191
 192
 193 void Backbone::selectedDictionaries(QList<CommonDictInterface* > activeDicts) {
 194     foreach(CommonDictInterface* dict, _dicts.keys())
 195         if(activeDicts.contains(dict))
 196             _dicts[dict] = 1;
 197         else
 198             _dicts[dict] = 0;
 199     dictUpdated();
 200  }
 201
 202
 203
 204 void Backbone::addDictionary(CommonDictInterface *dict, bool active) {
 205     addInternalDictionary(dict,active);
 206     dictUpdated();
 207 }
 208
 209
 210
 211  void Backbone::addInternalDictionary(CommonDictInterface* dict, bool active) {
 212      dict->setHash(_dicts.size()+1);
 213      _dicts[dict] = active;
 214      connect(dict, SIGNAL(settingsChanged()), this, SLOT(dictUpdated()));
 215  }
 216
 217  void Backbone::removeDictionary(CommonDictInterface *dict) {
 218      _dicts.remove(dict);
 219      dictUpdated();
 220
 221  }
 222
 223
 224
 225  void Backbone::quit() {
 226     stopSearching();
 227     Q_EMIT closeOk();
 228 }
 229
 230
 231
 232 void Backbone::translationReady() {
 233     if(_innerResult.isFinished()) {
 234         QFutureIterator<QList<Translation*> > it(_innerResult);
 235
 236         while(it.hasNext()) {
 237             QList<Translation* > list = it.next();
 238             foreach(Translation* trans, list)
 239                 _result.insert(trans->key().toLower(), trans);
 240         }
 241     }
 242
 243     if(_innerBookmarks.isFinished()) {
 244         QList<Translation*> list = _innerBookmarks.result();
 245         qDebug() << "translation bookmarks" << list.size();
 246         foreach(Translation* trans, list)
 247                 _result.insert(trans->key().toLower(), trans);
 248     }
 249
 250     if(!stopped && _innerResult.isFinished() && _innerBookmarks.isFinished())
 251         Q_EMIT ready();
 252 }
 253
 254 QStringList Backbone::getFilesFromDir(QString dir, QStringList nameFilter) {
 255     QDir plug(QDir::toNativeSeparators(dir));
 256     if(!plug.exists()) {
 257         qDebug() << plug.absolutePath() << " folder dosen't exists";
 258         return QStringList();
 259     }
 260     plug.setFilter(QDir::Files);
 261     QStringList list = plug.entryList(nameFilter);
 262
 263     for(int i = 0; i < list.size(); i++)
 264         list[i] = plug.absoluteFilePath(list.at(i));
 265     return list;
 266 }
 267
 268
 269 void Backbone::loadPlugins() {
 270     if(dryRun)
 271         return;
 272     QStringList nameFilter;
 273     nameFilter << "*.so";
 274     QStringList files = getFilesFromDir(_pluginPath, nameFilter);
 275
 276     foreach(QString file, files) {
 277         QPluginLoader loader(file);
 278         if(!loader.load()) {
 279             qDebug()<< file << " " << loader.errorString();
 280             continue;
 281         }
 282         QObject *pl = loader.instance();
 283
 284         CommonDictInterface *plugin = qobject_cast<CommonDictInterface*>(pl);
 285         _plugins.append(plugin);
 286     }
 287 }
 288
 289
 290
 291 CommonDictInterface* Backbone::plugin(QString type) {
 292     foreach(CommonDictInterface* plugin, _plugins)
 293         if(plugin->type() == type)
 294             return plugin;
 295     return 0;
 296 }
 297
 298
 299
 300 void Backbone::loadPrefs(QString fileName) {
 301     if(dryRun)
 302         return;
 303     QFileInfo file(QDir::toNativeSeparators(fileName));
 304     QDir confDir(file.dir());
 305     if(!confDir.exists()){
 306         qDebug() << "Configuration file dosn't exists ("
 307                 << file.filePath() << ")";
 308         return;
 309     }
 310     QSettings set(file.filePath(), QSettings::IniFormat);
 311     _pluginPath = set.value("general/plugin_path", _pluginPath).toString();
 312     _historyLen = set.value("general/history_length", 10).toInt();
 313     _searchLimit = set.value("general/search_limit", 15).toInt();
 314 }
 315
 316
 317
 318 void Backbone::savePrefs(QSettings *set) {
 319     if(dryRun)
 320         return;
 321     set->setValue("general/plugin_path", _pluginPath);
 322     set->setValue("general/history_length", _historyLen);
 323     set->setValue("general/search_limit", _searchLimit);
 324 }
 325
 326
 327
 328 void Backbone::saveDefaultPrefs(QSettings *set) {
 329     if(dryRun)
 330         return;
 331     set->setValue("general/plugin_path", _defaultPluginPath);
 332     set->setValue("general/history_length", _defaultHistoryLen);
 333     set->setValue("general/search_limit", _defaultSearchLimit);
 334 }
 335
 336
 337
 338 void Backbone::loadDicts(QString fileName, bool _default) {
 339     if(dryRun)
 340         return;
 341     QFileInfo file(QDir::toNativeSeparators(fileName));
 342     QDir confDir(file.dir());
 343     if(!confDir.exists()){
 344         qDebug() << "Configuration file dosn't exists ("
 345                 << file.filePath() << ")";
 346         return;
 347     }
 348
 349     QSettings set(file.filePath(), QSettings::IniFormat);
 350     QStringList dicts = set.childGroups();
 351     foreach(QString dict, dicts) {
 352         if(!dict.contains("dictionary_"))
 353             continue;
 354         CommonDictInterface* plug = plugin
 355                                     (set.value(dict + "/type", "").toString());
 356         if(!plug) {
 357             qDebug() << "Config file error: "
 358                     << set.value(dict + "/type", "").toString()
 359                     << " dosen't exists";
 360             continue;
 361         }
 362         Settings* plugSet = new Settings();
 363         set.beginGroup(dict);
 364         QStringList items = set.childKeys();
 365         foreach(QString item, items) {
 366             plugSet->setValue(item, set.value(item, "").toString());
 367         }
 368         bool active = set.value("active",1).toBool();
 369
 370         if(_default)
 371             plugSet->setValue("_default_", "true");
 372
 373         set.endGroup();
 374         addInternalDictionary(plug->getNew(plugSet), active);
 375     }
 376 }
 377
 378
 379
 380 void Backbone::dictUpdated() {
 381     if(dryRun)
 382         return;
 383     QFileInfo file(QDir::toNativeSeparators(_configPath));
 384     QDir confDir(file.dir());
 385     if(!confDir.exists())
 386         confDir.mkpath(file.dir().path());
 387     QSettings set(file.filePath(), QSettings::IniFormat);
 388     set.clear();
 389
 390     QFileInfo defFile(QDir::toNativeSeparators(_defaultConfigPath));
 391     QDir defConfDir(defFile.dir());
 392     if(!defConfDir.exists())
 393         defConfDir.mkpath(defFile.dir().path());
 394     QSettings defSet(defFile.filePath(), QSettings::IniFormat);
 395     defSet.clear();
 396     savePrefs(&set);
 397     saveDefaultPrefs(&defSet);
 398
 399     foreach(CommonDictInterface* dict, _dicts.keys()){
 400         if(!dict || !dict->settings())
 401             continue;
 402         if(!dict->settings()->keys().contains("_default_"))
 403             saveState(&set, dict->settings(), _dicts[dict], dict->hash());
 404         else
 405             saveState(&defSet, dict->settings(), _dicts[dict], dict->hash());
 406     }
 407 }
 408
 409
 410
 411 void Backbone::saveState(QSettings* set, Settings* plugSet, bool active
 412                          , uint hash) {
 413     if(dryRun)
 414         return;
 415     if(!set || !plugSet)
 416         return;
 417     QString section;
 418     section.append(QString("dictionary_%1").arg(hash));
 419     QList<QString> keys = plugSet->keys();
 420     foreach(QString key, keys)
 421         set->setValue(section + "/" + key, plugSet->value(key));
 422     set->setValue(section + "/active", active);
 423 }
 424
 425
 426
 427 QStringList Backbone::htmls() {
 428     return _htmlResult;
 429 }
 430
 431
 432
 433 void Backbone::searchHtml(QList<Translation *> translations) {
 434     _htmlResult.clear();
 435     QList<TranslationPtr> dummy;
 436     stopped = false;
 437     qDebug()<< "search html";
 438     foreach(Translation* tr, translations)
 439         dummy.append(TranslationPtr(tr));
 440     qDebug()<< "search html mapp " << dummy.size();
 441
 442    _innerHtmlResult = QtConcurrent::mapped(dummy,
 443                                             &TranslationPtr::toHtml);
 444     qDebug()<< "search html after map";
 445    _htmlResultWatcher.setFuture(_innerHtmlResult);
 446 }
 447
 448 void Backbone::htmlTranslationReady() {
 449
 450     QFutureIterator<QString> it(_innerHtmlResult);
 451     while(it.hasNext())
 452        _htmlResult.append(it.next());
 453
 454     if(!stopped)
 455         Q_EMIT htmlReady();
 456
 457 }
 458
 459
 460 QList<CommonDictInterface*> Backbone::activeDicts() {
 461     QList<CommonDictInterface*>res;
 462     foreach(CommonDictInterface* dict, _dicts.keys())
 463         if(_dicts[dict])
 464             res.append(dict);
 465     return res;
 466
 467 }
 468
 469
 470
 471 void Backbone::bookmarksListReady() {
 472    _bookmarksResult = _innerBookmarks.result();
 473    Q_EMIT bookmarksReady();
 474 }