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     dictFin = !_searchDicts;
 183     bookmarkFin = !_searchBookmarks;
 184
 185     if (_searchDicts) {
 186         _innerResult = QtConcurrent::mapped(activeDicts(), mapSearch);
 187         _resultWatcher.setFuture(_innerResult);
 188     }
 189
 190     if(_searchBookmarks) {
 191         _innerBookmarks = QtConcurrent::run(_bookmarks,
 192                 &Bookmarks::searchWordList, word);
 193         _bookmarkSearchWatcher.setFuture(_innerBookmarks);
 194     }
 195 }
 196
 197
 198
 199 void Backbone::selectedDictionaries(QList<CommonDictInterface* > activeDicts) {
 200     foreach(CommonDictInterface* dict, _dicts.keys())
 201         if(activeDicts.contains(dict))
 202             _dicts[dict] = 1;
 203         else
 204             _dicts[dict] = 0;
 205     dictUpdated();
 206  }
 207
 208
 209
 210 void Backbone::addDictionary(CommonDictInterface *dict, bool active) {
 211     addInternalDictionary(dict,active);
 212     dictUpdated();
 213 }
 214
 215
 216
 217  void Backbone::addInternalDictionary(CommonDictInterface* dict, bool active) {
 218      dict->setHash(_dicts.size()+1);
 219      _dicts[dict] = active;
 220      connect(dict, SIGNAL(settingsChanged()), this, SLOT(dictUpdated()));
 221      connect(dict, SIGNAL(notify(Notify::NotifyType,QString)), this,
 222              SIGNAL(notify(Notify::NotifyType,QString)));
 223  }
 224
 225  void Backbone::removeDictionary(CommonDictInterface *dict) {
 226      _dicts.remove(dict);
 227      dictUpdated();
 228
 229  }
 230
 231
 232
 233  void Backbone::quit() {
 234     stopSearching();
 235     Q_EMIT closeOk();
 236 }
 237
 238
 239
 240 void Backbone::translationReady() {
 241     if(!dictFin && _innerResult.isFinished()) {
 242         dictFin = 1;
 243         QFutureIterator<QList<Translation*> > it(_innerResult);
 244
 245         while(it.hasNext()) {
 246             QList<Translation* > list = it.next();
 247             foreach(Translation* trans, list)
 248                 _result.insert(trans->key().toLower(), trans);
 249         }
 250     }
 251
 252     if(!bookmarkFin && _innerBookmarks.isFinished()) {
 253         bookmarkFin = 1;
 254         QList<Translation*> list = _innerBookmarks.result();
 255
 256         foreach(Translation* trans, list)
 257                 _result.insert(trans->key().toLower(), trans);
 258     }
 259
 260     if(!stopped && bookmarkFin && dictFin)
 261         Q_EMIT ready();
 262 }
 263
 264 QStringList Backbone::getFilesFromDir(QString dir, QStringList nameFilter) {
 265     QDir plug(QDir::toNativeSeparators(dir));
 266     if(!plug.exists()) {
 267         qDebug() << plug.absolutePath() << " folder dosen't exists";
 268         Q_EMIT notify(Notify::Warning,
 269                 QString("%1 folder dosen't exists.").arg(plug.path()));
 270         return QStringList();
 271     }
 272     plug.setFilter(QDir::Files);
 273     QStringList list = plug.entryList(nameFilter);
 274
 275     for(int i = 0; i < list.size(); i++)
 276         list[i] = plug.absoluteFilePath(list.at(i));
 277     return list;
 278 }
 279
 280
 281 void Backbone::loadPlugins() {
 282     if(dryRun)
 283         return;
 284     QStringList nameFilter;
 285     nameFilter << "*.so";
 286     QStringList files = getFilesFromDir(_pluginPath, nameFilter);
 287
 288     foreach(QString file, files) {
 289         QPluginLoader loader(file);
 290         if(!loader.load()) {
 291             Q_EMIT notify(Notify::Error,
 292                     QString("%1 plugin cannot be loaded: %2.")
 293                     .arg(file).arg(loader.errorString()));
 294             qDebug()<< file << " " << loader.errorString();
 295             continue;
 296         }
 297         QObject *pl = loader.instance();
 298
 299         CommonDictInterface *plugin = qobject_cast<CommonDictInterface*>(pl);
 300         _plugins.append(plugin);
 301     }
 302 }
 303
 304
 305
 306 CommonDictInterface* Backbone::plugin(QString type) {
 307     foreach(CommonDictInterface* plugin, _plugins)
 308         if(plugin->type() == type)
 309             return plugin;
 310     return 0;
 311 }
 312
 313
 314
 315 void Backbone::loadPrefs(QString fileName) {
 316     if(dryRun)
 317         return;
 318     QFileInfo file(QDir::toNativeSeparators(fileName));
 319     QDir confDir(file.dir());
 320     if(!confDir.exists()){
 321         qDebug() << "Configuration file dosn't exists ("
 322                 << file.filePath() << ")";
 323         Q_EMIT notify(Notify::Warning,
 324                 QString("%1 configurationfile dosen't exists.")
 325                 .arg(file.filePath()));
 326         return;
 327     }
 328     QSettings set(file.filePath(), QSettings::IniFormat);
 329     _pluginPath = set.value("general/plugin_path", _pluginPath).toString();
 330     _historyLen = set.value("general/history_size", 10).toInt();
 331     _searchLimit = set.value("general/search_limit", 15).toInt();
 332     _searchBookmarks = set.value("general/search_bookmarks",1).toBool();
 333     _searchDicts = set.value("general/search_dictionaries",1).toBool();
 334 }
 335
 336
 337
 338 void Backbone::savePrefs(QSettings *set) {
 339     if(dryRun)
 340         return;
 341     set->setValue("general/plugin_path", _pluginPath);
 342     set->setValue("general/history_size", _historyLen);
 343     set->setValue("general/search_limit", _searchLimit);
 344     set->setValue("general/search_bookmarks", _searchBookmarks);
 345     set->setValue("general/search_dictionaries", _searchDicts);
 346 }
 347
 348
 349
 350 void Backbone::saveDefaultPrefs(QSettings *set) {
 351     if(dryRun)
 352         return;
 353     set->setValue("general/plugin_path", _defaultPluginPath);
 354     set->setValue("general/history_size", _defaultHistoryLen);
 355     set->setValue("general/search_limit", _defaultSearchLimit);
 356 }
 357
 358
 359
 360 void Backbone::loadDicts(QString fileName, bool _default) {
 361     if(dryRun)
 362         return;
 363     QFileInfo file(QDir::toNativeSeparators(fileName));
 364     QDir confDir(file.dir());
 365     if(!confDir.exists()){
 366         qDebug() << "Configuration file dosn't exists ("
 367                 << file.filePath() << ")";
 368         Q_EMIT notify(Notify::Warning,
 369                 QString("%1 configurationfile dosen't exists.")
 370                 .arg(file.filePath()));
 371         return;
 372     }
 373
 374     QSettings set(file.filePath(), QSettings::IniFormat);
 375     QStringList dicts = set.childGroups();
 376     foreach(QString dict, dicts) {
 377         if(!dict.contains("dictionary_"))
 378             continue;
 379         CommonDictInterface* plug = plugin
 380                                     (set.value(dict + "/type", "").toString());
 381         if(!plug) {
 382             qDebug() << "Config file error: "
 383                     << set.value(dict + "/type", "").toString()
 384                     << " dosen't exists";
 385             Q_EMIT notify(Notify::Warning,
 386                     QString("Configuration file error. %2 plugin dosen't exists.")
 387                     .arg(set.value(dict + "/type", "").toString()));
 388             continue;
 389         }
 390         Settings* plugSet = new Settings();
 391         set.beginGroup(dict);
 392         QStringList items = set.childKeys();
 393         foreach(QString item, items) {
 394             plugSet->setValue(item, set.value(item, "").toString());
 395         }
 396         bool active = set.value("active",1).toBool();
 397
 398         if(_default)
 399             plugSet->setValue("_default_", "true");
 400
 401         set.endGroup();
 402         addInternalDictionary(plug->getNew(plugSet), active);
 403     }
 404 }
 405
 406
 407
 408 void Backbone::dictUpdated() {
 409     if(dryRun)
 410         return;
 411     _history->setMaxSize(_historyLen);
 412     QFileInfo file(QDir::toNativeSeparators(_configPath));
 413     QDir confDir(file.dir());
 414     if(!confDir.exists())
 415         confDir.mkpath(file.dir().path());
 416     QSettings set(file.filePath(), QSettings::IniFormat);
 417     set.clear();
 418
 419     QFileInfo defFile(QDir::toNativeSeparators(_defaultConfigPath));
 420     QDir defConfDir(defFile.dir());
 421     if(!defConfDir.exists())
 422         defConfDir.mkpath(defFile.dir().path());
 423     QSettings defSet(defFile.filePath(), QSettings::IniFormat);
 424     defSet.clear();
 425     savePrefs(&set);
 426     saveDefaultPrefs(&defSet);
 427
 428     foreach(CommonDictInterface* dict, _dicts.keys()){
 429         if(!dict || !dict->settings())
 430             continue;
 431         if(!dict->settings()->keys().contains("_default_"))
 432             saveState(&set, dict->settings(), _dicts[dict], dict->hash());
 433         else
 434             saveState(&defSet, dict->settings(), _dicts[dict], dict->hash());
 435     }
 436 }
 437
 438
 439
 440 void Backbone::saveState(QSettings* set, Settings* plugSet, bool active
 441                          , uint hash) {
 442     if(dryRun)
 443         return;
 444     if(!set || !plugSet)
 445         return;
 446     QString section;
 447     section.append(QString("dictionary_%1").arg(hash));
 448     QList<QString> keys = plugSet->keys();
 449     foreach(QString key, keys)
 450         set->setValue(section + "/" + key, plugSet->value(key));
 451     set->setValue(section + "/active", active);
 452 }
 453
 454
 455
 456 QStringList Backbone::htmls() {
 457     return _htmlResult;
 458 }
 459
 460
 461
 462 void Backbone::searchHtml(QList<Translation *> translations) {
 463     _htmlResult.clear();
 464
 465     QList<TranslationPtr> dummy;
 466     stopped = false;
 467     foreach(Translation* tr, translations)
 468         dummy.append(TranslationPtr(tr));
 469
 470    _innerHtmlResult = QtConcurrent::mapped(dummy,
 471                                             &TranslationPtr::toHtml);
 472    _htmlResultWatcher.setFuture(_innerHtmlResult);
 473 }
 474
 475 void Backbone::htmlTranslationReady() {
 476
 477     QFutureIterator<QString> it(_innerHtmlResult);
 478     while(it.hasNext())
 479        _htmlResult.append(it.next());
 480
 481     if(!stopped)
 482         Q_EMIT htmlReady();
 483
 484 }
 485
 486
 487 QList<CommonDictInterface*> Backbone::activeDicts() {
 488     QList<CommonDictInterface*>res;
 489     foreach(CommonDictInterface* dict, _dicts.keys())
 490         if(_dicts[dict])
 491             res.append(dict);
 492     return res;
 493
 494 }
 495
 496
 497
 498 void Backbone::bookmarksListReady() {
 499    _bookmarksResult = _innerBookmarks.result();
 500    Q_EMIT bookmarksReady();
 501 }
 502
 503
 504
 505
 506 void Backbone::setSettings(Settings *settings) {
 507     _historyLen = settings->value("history_size").toInt();
 508     _searchLimit = settings->value("search_limit").toInt();
 509     if(settings->value("search_dictionaries") == "true")
 510         _searchDicts = 1;
 511     else
 512         _searchDicts = 0;
 513     if(settings->value("search_bookmarks") == "true")
 514         _searchBookmarks = 1;
 515     else
 516         _searchBookmarks = 0;
 517     dictUpdated();
 518 }
 519
 520
 521
 522
 523 Settings* Backbone::settings() {
 524     Settings * settings = new Settings();
 525     settings->setValue("history_size", QString("%1").arg(_historyLen));
 526     settings->setValue("search_limit", QString("%1").arg(_searchLimit));
 527     if(_searchBookmarks)
 528         settings->setValue("search_bookmarks", "true");
 529     else
 530         settings->setValue("search_bookmarks", "false");
 531
 532     if(_searchDicts)
 533         settings->setValue("search_dictionaries", "true");
 534     else
 535         settings->setValue("search_dictionaries", "false");
 536     return settings;
 537 }