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