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