be60c32a3b7bc0ce98b45c77a4d3035af8021c2a
[mdictionary] / src / plugins / google / GooglePlugin.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 /*!
22     \file GooglePlugin.cpp
23     \brief Implementation of google plugin's main class.
24
25     \author Jakub Jaszczynski <j.j.jaszczynski@gmail.com>
26 */
27
28 #include "GooglePlugin.h"
29 #include <QDebug>
30 #include "GoogleDictDialog.h"
31
32 QMap<QString, QString> GooglePlugin::languages;
33 bool GooglePlugin::noNetworkErrorShowed = false;
34
35
36 GooglePlugin::GooglePlugin(QObject *parent): CommonDictInterface(parent),
37                     _name(""),_infoNote("") {
38     _settings = new Settings();
39     _settings->setValue("lang_to","");
40     _settings->setValue("lang_from","");
41     _settings->setValue("type","google");
42     _settings->setValue("connection_accepted","true");
43     _dictDialog = new GoogleDictDialog(this,this);
44     _icon = QIcon("/usr/share/mdictionary/google.png");
45
46     stopped = false;
47     initLanguages();
48
49     http = new QHttp();
50     connect(http, SIGNAL(done(bool)), this, SLOT(done()));
51     threa=new QThread();
52     http->moveToThread(threa);
53     threa->start();
54 }
55
56 void GooglePlugin::retranslate() {
57     QString locale = QLocale::system().name();
58     QTranslator *translator = new QTranslator(this);
59     if(!translator->load(":/google/translations/" + locale)) {
60         translator->load(":/google/translations/en_US");
61     }
62     QCoreApplication::installTranslator(translator);
63 }
64
65
66 GooglePlugin::~GooglePlugin() {
67     delete _settings;
68     delete _dictDialog;
69 }
70
71
72 QString GooglePlugin::langFrom() const {
73     return languages.key(_settings->value("lang_from"));
74 }
75
76
77 QString GooglePlugin::langTo() const {
78     return languages.key(_settings->value("lang_to"));
79 }
80
81
82 QString GooglePlugin::name() const {
83     return QString("dictionary");
84 }
85
86
87 QString GooglePlugin::type() const {
88     return QString("google");
89 }
90
91
92 QString GooglePlugin::infoNote() const {
93     return _infoNote;
94 }
95
96
97 void GooglePlugin::setLangTo(QString langTo){
98     _settings->setValue("lang_to",langTo);
99 }
100
101
102 void GooglePlugin::setLangFrom(QString langFrom){
103     _settings->setValue("lang_from",langFrom);;
104 }
105
106
107 DictDialog* GooglePlugin::dictDialog() {
108     return _dictDialog;
109 }
110
111
112 bool GooglePlugin::isAvailable() const {
113     return isConnectionAccept();
114 }
115
116
117 void GooglePlugin::setConnectionAccept(QString connectionAcepted) {
118     if(connectionAcepted=="true")
119         _settings->setValue("connection_accepted","true");
120     else
121         _settings->setValue("connection_accepted","false");
122 }
123
124
125 bool GooglePlugin::isConnectionAccept() const {
126     if(_settings->value("connection_accepted")=="true")
127         return true;
128     else
129         return false;
130 }
131
132
133 Settings* GooglePlugin::settings() {
134     return _settings;
135 }
136
137
138 void GooglePlugin::setSettings(const Settings* settings) {
139     if(settings) {
140         QStringList list = settings->keys();
141         foreach(QString key, list)
142             _settings->setValue(key, settings->value(key));
143         getDictionaryInfo();
144         Q_EMIT settingsChanged();
145     }
146 }
147
148
149 QIcon* GooglePlugin::icon() {
150     return &_icon;
151 }
152
153
154 CommonDictInterface* GooglePlugin::getNew(const Settings* settings) const {
155     GooglePlugin *plugin = new GooglePlugin();
156     if(settings)
157         plugin->setSettings(settings);
158     return plugin;
159 }
160
161
162 QString GooglePlugin::search(QString) {
163     qDebug() << "function is not used in google plugin";
164     return QString("");
165 }
166
167
168 Translation* GooglePlugin::getTranslationFor(QString key) {
169     return (new TranslationGoogle(key,"",_infoNote,this));
170 }
171
172
173 QList<Translation*> GooglePlugin::searchWordList(QString word, int ) {
174     QList<Translation*> translations;
175     if(isAvailable()) {
176         QString error("");
177         char wrongChar[]={"*?&<>"};
178         for(unsigned int a=0;a<sizeof(wrongChar);a++)    /*remove wrong char*/
179             word.replace(wrongChar[a],"");
180
181         QString url=QString("/translate_a/t?client=t&sl=%1&tl=%2").arg(
182                                               _settings->value("lang_from"),
183                                               _settings->value("lang_to"));
184         QHttpRequestHeader head = QHttpRequestHeader("POST", url, 1,1);
185         head.setValue("Host","www.google.pl");
186         head.setValue("User-Agent", "Mozilla/5.0");
187         head.setValue("Accept-Encoding", "deflate");
188         head.setContentLength(word.length());
189         head.setValue("Connection", "Close");
190
191         QByteArray data("text=");
192         data.append(word.toUtf8());
193         http->setHost("www.google.pl");
194
195         wait=true;      /* bool - change in slot done (initiate by http) */
196         stopped=false;  /* bool - change in slot stop (initiate in gui)  */
197         int lastState=0;
198         http->request(head, data);
199         while(wait && (error=="" || error=="Unknown error") && !stopped){
200             error=http->errorString();
201             if(lastState!=http->state()) {
202                 lastState=http->state();
203                 if(lastState==0)
204                     done();
205             }
206         }
207         if(error!="" && error!="Unknown error") {
208             if(!noNetworkErrorShowed) {
209                 noNetworkErrorShowed = true;
210                 Q_EMIT notify(Notify::Warning,
211                         tr("GooglePlugin: %1").arg(error));
212             }
213         }
214
215         QString text = QString::fromUtf8(http->readAll());
216         text=jsonParse(text);
217         if(text!="") {
218             text="<key>" + word + "</key>" + "<t>" + text + "</t>";
219             translations<<(new TranslationGoogle(word,text,_infoNote,this));
220         }
221     }
222     return translations;
223 }
224
225
226 QString GooglePlugin::jsonParse(QString result) {
227     int pos=0,pos2=0,index=0,size=0;
228     QString returnLang;
229     QString translation;
230     QString original;
231     QList<QString> partOfSpeach;
232     QList<QList<QString>* > words;
233     QStringList list1 = result.split("\"");
234
235     size=(list1.size()-1)/2;
236     if(size<=2)
237         return QString(""); // wrong format of data
238
239     translation=list1.at(index*2+1);
240     index++;
241     original=list1.at(index*2+1);
242     pos=result.indexOf("]");
243     index++;
244     while(result.at(pos+1)==QChar(',')) {
245         index++;
246         translation+=list1.at(index*2+1);
247         index++;
248         original=list1.at(index*2+1);
249         pos=result.indexOf("]",pos+1);
250         index++;
251     }
252
253     pos=result.indexOf("]",pos+1);
254     pos++;
255     index++;
256     if(result.at(pos+1)==QChar(','))
257         returnLang=list1.at(index*2+1); /*return when translate sentence*/
258
259     while(result.indexOf("[",pos+1)!=-1){
260         partOfSpeach.append(list1.at(index*2+1));
261         pos2=result.indexOf("]",pos+1);
262         pos=result.indexOf("\"",pos+1);
263         pos=result.indexOf("\"",pos+1);
264         pos=result.indexOf("\"",pos+1);
265         pos=result.indexOf("\"",pos+1);
266         QList<QString> *list=new QList<QString>;
267         while(pos2>pos && pos2!=-1 && pos!= -1) {
268             index++;
269             if(size==index)
270                 return QString("");
271             list->append(list1.at(index*2+1));
272             pos=result.indexOf("\"",pos+1);
273             pos=result.indexOf("\"",pos+1);
274         }
275         words.append(list);
276         index++;
277         if(size==index)
278             return QString("");
279         pos=pos2+2;
280     }
281
282     if(words.size()!=partOfSpeach.size()) {
283         qDebug()<<"Error in Google Plugin (JsonParse)";
284         Q_EMIT notify(Notify::Warning,
285                 tr("GooglePlugin: can't parse Json"));
286         return QString("");
287     }
288     returnLang=list1.at(index*2+1);
289     if(partOfSpeach.size()==0){
290         if(translation.toLower()==original.toLower())
291             return QString(""); // word doesn't exist";
292         else
293             return "\""+translation+"\"";
294     }
295     result=translation;
296     for(int i=0; i<words.size();i++) {
297         result+="<br/><pos>"+partOfSpeach.at(i)+"</pos>: ";
298         for(int j=0; j<words.at(i)->size();j++)
299             result+=words.at(i)->at(j)+", ";
300         result.remove(result.size()-2,2);
301     }
302     return result;
303 }
304
305
306 void GooglePlugin::done() {
307     wait=false;
308 }
309
310
311 void GooglePlugin::stop() {
312     stopped=true;
313 }
314
315
316 void GooglePlugin::initLanguages() {
317     if(languages.count() != 0) return;
318
319     languages["Afrikaans"] = "af";
320     languages["Albanian"] = "sq";
321     languages["Arabic"] = "ar";
322     languages["Armenian"] = "hy";
323     languages["Azerbaijani"] = "az";
324     languages["Basque"] = "eu";
325     languages["Belarusian"] = "be";
326     languages["Bulgarian"] = "bg";
327     languages["Catalan"] = "ca";
328     languages["Chinese"] = "zh";
329     languages["Croatian"] = "hr";
330     languages["Czech"] = "cs";
331     languages["Danish"] = "da";
332     languages["Dutch"] = "nl";
333     languages["English"] = "en";
334     languages["Estonian"] = "et";
335     languages["Filipino"] = "tl";
336     languages["Finnish"] = "fi";
337     languages["French"] = "fr";
338     languages["Galician"] = "gl";
339     languages["Georgian"] = "ka";
340     languages["German"] = "de";
341     languages["Greek"] = "el";
342     languages["Haitian_creole"] = "ht";
343     languages["Hebrew"] = "iw";
344     languages["Hindi"] = "hi";
345     languages["Hungarian"] = "hu";
346     languages["Icelandic"] = "is";
347     languages["Indonesian"] = "id";
348     languages["Irish"] = "ga";
349     languages["Italian"] = "it";
350     languages["Japanese"] = "ja";
351     languages["Korean"] = "ko";
352     languages["Latvian"] = "lv";
353     languages["Lithuanian"] = "lt";
354     languages["Macedonian"] = "mk";
355     languages["Malay"] = "ms";
356     languages["Maltese"] = "mt";
357     languages["Norwegian"] = "no";
358     languages["Persian"] = "fa";
359     languages["Polish"] = "pl";
360     languages["Portuguese"] = "pt";
361     languages["Romanian"] = "ro";
362     languages["Russian"] = "ru";
363     languages["Serbian"] = "sr";
364     languages["Slovak"] = "sk";
365     languages["Slovenian"] = "sl";
366     languages["Spanish"] = "es";
367     languages["Swahili"] = "sw";
368     languages["Swedish"] = "sv";
369     languages["Thai"] = "th";
370     languages["Turkish"] = "tr";
371     languages["Ukrainian"] = "uk";
372     languages["Urdu"] = "ur";
373     languages["Vietnamese"] = "vi";
374     languages["Welsh"] = "cy";
375     languages["Yiddish"] = "yi";
376     languages["Detect langlage"] = "";
377 //    languages["AMHARIC"] = "am";
378 //    languages["BENGALI"] = "bn";
379 //    languages["BIHARI"] = "bh";
380 //    languages["BRETON"] = "br";
381 //    languages["BURMESE"] = "my";
382 //    languages["CHEROKEE"] = "chr";
383 //    languages["CHINESE_SIMPLIFIED"] = "zh-CN";
384 //    languages["CHINESE_TRADITIONAL"] = "zh-TW";
385 //    languages["CORSICAN"] = "co";
386 //    languages["DHIVEHI"] = "dv";
387 //    languages["ESPERANTO"] = "eo";
388 //    languages["FAROESE"] = "fo";
389 //    languages["FRISIAN"] = "fy";
390 //    languages["GUJARATI"] = "gu";
391 //    languages["INUKTITUT"] = "iu";
392 //    languages["JAVANESE"] = "jw";
393 //    languages["KANNADA"] = "kn";
394 //    languages["KAZAKH"] = "kk";
395 //    languages["KHMER"] = "km";
396 //    languages["KURDISH"] = "ku";
397 //    languages["KYRGYZ"] = "ky";
398 //    languages["LAO"] = "lo";
399 //    languages["LATIN"] = "la";
400 //    languages["LUXEMBOURGISH"] = "lb";
401 //    languages["MALAYALAM"] = "ml";
402 //    languages["MAORI"] = "mi";
403 //    languages["MARATHI"] = "mr";
404 //    languages["MONGOLIAN"] = "mn";
405 //    languages["NEPALI"] = "ne";
406 //    languages["OCCITAN"] = "oc";
407 //    languages["ORIYA"] = "or";
408 //    languages["PASHTO"] = "ps";
409 //    languages["PORTUGUESE_PORTUGAL"] = "pt-PT";
410 //    languages["PUNJABI"] = "pa";
411 //    languages["QUECHUA"] = "qu";
412 //    languages["SANSKRIT"] = "sa";
413 //    languages["SCOTS_GAELIC"] = "gd";
414 //    languages["SINDHI"] = "sd";
415 //    languages["SINHALESE"] = "si";
416 //    languages["SUNDANESE"] = "su";
417 //    languages["SYRIAC"] = "syr";
418 //    languages["TAJIK"] = "tg";
419 //    languages["TAMIL"] = "ta";
420 //    languages["TATAR"] = "tt";
421 //    languages["TELUGU"] = "te";
422 //    languages["TIBETAN"] = "bo";
423 //    languages["TONGA"] = "to";
424 //    languages["UZBEK"] = "uz";
425 //    languages["UIGHUR"] = "ug";
426 }
427
428
429 void GooglePlugin::getDictionaryInfo() {
430     QString fullLangFrom=languages.key(_settings->value("lang_from"));
431     QString fullLangTo=languages.key(_settings->value("lang_to"));
432     _infoNote=" [" + fullLangFrom + "-" + fullLangTo + "] ";
433 }
434
435
436 Q_EXPORT_PLUGIN2(google, GooglePlugin)