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