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00021 #include <qcstring.h>
00022 #include <qdom.h>
00023 #include <qfileinfo.h>
00024
00025 #include <kapplication.h>
00026 #include <kdebug.h>
00027 #include <kio/job.h>
00028 #include <klocale.h>
00029 #include <kmessagebox.h>
00030 #include <kstandarddirs.h>
00031
00032 #include "knewstuff.h"
00033 #include "downloaddialog.h"
00034 #include "uploaddialog.h"
00035 #include "providerdialog.h"
00036
00037 #include "engine.h"
00038 #include "engine.moc"
00039
00040 using namespace KNS;
00041
00042 Engine::Engine( KNewStuff *newStuff, const QString &type,
00043 QWidget *parentWidget ) :
00044 mParentWidget( parentWidget ), mDownloadDialog( 0 ),
00045 mUploadDialog( 0 ), mProviderDialog( 0 ), mUploadProvider( 0 ),
00046 mNewStuff( newStuff ), mType( type )
00047 {
00048 mProviderLoader = new ProviderLoader( mParentWidget );
00049
00050 mNewStuffList.setAutoDelete( true );
00051 }
00052
00053 Engine::~Engine()
00054 {
00055 delete mProviderLoader;
00056
00057 delete mUploadDialog;
00058 delete mDownloadDialog;
00059 }
00060
00061 void Engine::download()
00062 {
00063 kdDebug() << "Engine::download()" << endl;
00064
00065 connect( mProviderLoader,
00066 SIGNAL( providersLoaded( Provider::List * ) ),
00067 SLOT( getMetaInformation( Provider::List * ) ) );
00068 mProviderLoader->load( mType );
00069 }
00070
00071 void Engine::getMetaInformation( Provider::List *providers )
00072 {
00073 mProviderLoader->disconnect();
00074
00075 mNewStuffJobData.clear();
00076
00077 if ( !mDownloadDialog ) {
00078 mDownloadDialog = new DownloadDialog( this, mParentWidget );
00079 mDownloadDialog->show();
00080 }
00081 mDownloadDialog->clear();
00082
00083 Provider *p;
00084 for ( p = providers->first(); p; p = providers->next() ) {
00085 if ( p->downloadUrl().isEmpty() ) continue;
00086
00087 KIO::TransferJob *job = KIO::get( p->downloadUrl() );
00088 connect( job, SIGNAL( result( KIO::Job * ) ),
00089 SLOT( slotNewStuffJobResult( KIO::Job * ) ) );
00090 connect( job, SIGNAL( data( KIO::Job *, const QByteArray & ) ),
00091 SLOT( slotNewStuffJobData( KIO::Job *, const QByteArray & ) ) );
00092
00093 mNewStuffJobData.insert( job, "" );
00094 }
00095 }
00096
00097 void Engine::slotNewStuffJobData( KIO::Job *job, const QByteArray &data )
00098 {
00099 if ( data.isEmpty() ) return;
00100
00101 kdDebug() << "Engine:slotNewStuffJobData()" << endl;
00102
00103 kdDebug() << "===START===" << endl << data.data() << "===END===" << endl;
00104
00105 QString s = data;
00106 mNewStuffJobData[ job ].append( s );
00107 }
00108
00109 void Engine::slotNewStuffJobResult( KIO::Job *job )
00110 {
00111 if ( job->error() ) {
00112 kdDebug() << "Error downloading new stuff descriptions." << endl;
00113 job->showErrorDialog( mParentWidget );
00114 } else {
00115 QString knewstuffDoc = QString::fromUtf8( mNewStuffJobData[ job ] );
00116
00117 kdDebug() << "---START---" << endl << knewstuffDoc << "---END---" << endl;
00118
00119 QDomDocument doc;
00120 if ( !doc.setContent( knewstuffDoc ) ) {
00121 kdDebug() << "Error parsing knewstuff.xml." << endl;
00122 return;
00123 } else {
00124 QDomElement knewstuff = doc.documentElement();
00125
00126 if ( knewstuff.isNull() ) {
00127 kdDebug() << "No document in knewstuffproviders.xml." << endl;
00128 } else {
00129 QDomNode p;
00130 for ( p = knewstuff.firstChild(); !p.isNull(); p = p.nextSibling() ) {
00131 QDomElement stuff = p.toElement();
00132 if ( stuff.tagName() != "stuff" ) continue;
00133
00134 Entry *entry = new Entry( stuff );
00135 mNewStuffList.append( entry );
00136
00137 mDownloadDialog->show();
00138
00139 mDownloadDialog->addEntry( entry );
00140
00141 kdDebug() << "KNEWSTUFF: " << entry->name() << endl;
00142
00143 kdDebug() << " SUMMARY: " << entry->summary() << endl;
00144 kdDebug() << " VERSION: " << entry->version() << endl;
00145 kdDebug() << " RELEASEDATE: " << entry->releaseDate().toString() << endl;
00146 kdDebug() << " RATING: " << entry->rating() << endl;
00147
00148 kdDebug() << " LANGS: " << entry->langs().join(", ") << endl;
00149 }
00150 }
00151 }
00152 }
00153
00154 mNewStuffJobData.remove( job );
00155
00156 if ( mNewStuffJobData.count() == 0 ) {
00157 mDownloadDialog->show();
00158 mDownloadDialog->raise();
00159 }
00160 }
00161
00162 void Engine::download( Entry *entry )
00163 {
00164 kdDebug() << "Engine::download(entry)" << endl;
00165
00166 KURL source = entry->payload();
00167 mDownloadDestination = mNewStuff->downloadDestination( entry );
00168 KURL destination = KURL( mDownloadDestination );
00169
00170 kdDebug() << " SOURCE: " << source.url() << endl;
00171 kdDebug() << " DESTINATION: " << destination.url() << endl;
00172
00173 KIO::FileCopyJob *job = KIO::file_copy( source, destination );
00174 connect( job, SIGNAL( result( KIO::Job * ) ),
00175 SLOT( slotDownloadJobResult( KIO::Job * ) ) );
00176 }
00177
00178 void Engine::slotDownloadJobResult( KIO::Job *job )
00179 {
00180 if ( job->error() ) {
00181 kdDebug() << "Error downloading new stuff payload." << endl;
00182 job->showErrorDialog( mParentWidget );
00183 return;
00184 }
00185
00186 if ( mNewStuff->install( mDownloadDestination ) ) {
00187 KMessageBox::information( mParentWidget,
00188 i18n("Successfully installed hot new stuff.") );
00189 } else {
00190 KMessageBox::error( mParentWidget,
00191 i18n("Failed to install hot new stuff.") );
00192 }
00193 }
00194
00195 void Engine::upload()
00196 {
00197 connect( mProviderLoader,
00198 SIGNAL( providersLoaded( Provider::List * ) ),
00199 SLOT( selectUploadProvider( Provider::List * ) ) );
00200 mProviderLoader->load( mType );
00201 }
00202
00203 void Engine::selectUploadProvider( Provider::List *providers )
00204 {
00205 kdDebug() << "Engine:selectUploadProvider()" << endl;
00206
00207 mProviderLoader->disconnect();
00208
00209 if ( !mProviderDialog ) {
00210 mProviderDialog = new ProviderDialog( this, mParentWidget );
00211 }
00212
00213 mProviderDialog->clear();
00214
00215 mProviderDialog->show();
00216 mProviderDialog->raise();
00217
00218 for( Provider *p = providers->first(); p; p = providers->next() ) {
00219 mProviderDialog->addProvider( p );
00220 }
00221 }
00222
00223 void Engine::requestMetaInformation( Provider *provider )
00224 {
00225 mUploadProvider = provider;
00226
00227 if ( !mUploadDialog ) {
00228 mUploadDialog = new UploadDialog( this, mParentWidget );
00229 }
00230 mUploadDialog->show();
00231 mUploadDialog->raise();
00232 }
00233
00234 void Engine::upload( Entry *entry )
00235 {
00236 QString uploadFile = entry->fullName();
00237 uploadFile = locateLocal( "appdata", "upload/" + uploadFile );
00238
00239 if ( !mNewStuff->createUploadFile( uploadFile ) ) {
00240 KMessageBox::error( mParentWidget, i18n("Unable to create file to upload") );
00241 return;
00242 }
00243
00244 QString lang = entry->langs().first();
00245 QFileInfo fi( uploadFile );
00246 entry->setPayload( fi.fileName(), lang );
00247
00248 if ( !createMetaFile( entry ) ) return;
00249
00250 QString text = i18n("The files to be uploaded have been created at:\n");
00251 text.append( uploadFile + "\n" );
00252 text.append( mUploadMetaFile + "\n" );
00253
00254 QString caption = i18n("Upload files");
00255
00256 if ( mUploadProvider->noUpload() ) {
00257 KURL noUploadUrl = mUploadProvider->noUploadUrl();
00258 if ( noUploadUrl.isEmpty() ) {
00259 text.append( i18n("Please upload the files manually.") );
00260 KMessageBox::information( mParentWidget, text, caption );
00261 } else {
00262 int result = KMessageBox::questionYesNo( mParentWidget, text, caption,
00263 i18n("Upload Info..."),
00264 i18n("Close") );
00265 if ( result == KMessageBox::Yes ) {
00266 kapp->invokeBrowser( noUploadUrl.url() );
00267 }
00268 }
00269 } else {
00270 int result = KMessageBox::questionYesNo( mParentWidget, text, caption,
00271 i18n("Upload"), i18n("Cancel") );
00272 if ( result == KMessageBox::Yes ) {
00273 KURL destination = mUploadProvider->uploadUrl();
00274 destination.setFileName( fi.fileName() );
00275
00276 KIO::FileCopyJob *job = KIO::file_copy( uploadFile, destination );
00277 connect( job, SIGNAL( result( KIO::Job * ) ),
00278 SLOT( slotUploadPayloadJobResult( KIO::Job * ) ) );
00279 }
00280 }
00281 }
00282
00283 bool Engine::createMetaFile( Entry *entry )
00284 {
00285 QDomDocument doc("knewstuff");
00286 doc.appendChild( doc.createProcessingInstruction(
00287 "xml", "version=\"1.0\" encoding=\"UTF-8\"" ) );
00288 QDomElement de = doc.createElement("knewstuff");
00289 doc.appendChild( de );
00290
00291 de.appendChild( entry->createDomElement( doc, de ) );
00292
00293 kdDebug() << "--DOM START--" << endl << doc.toString()
00294 << "--DOM_END--" << endl;
00295
00296 mUploadMetaFile = entry->fullName() + ".meta";
00297 mUploadMetaFile = locateLocal( "appdata", "upload/" + mUploadMetaFile );
00298
00299 QFile f( mUploadMetaFile );
00300 if ( !f.open( IO_WriteOnly ) ) {
00301 mUploadMetaFile = QString::null;
00302 return false;
00303 }
00304
00305 QTextStream ts( &f );
00306 ts.setEncoding( QTextStream::UnicodeUTF8 );
00307 ts << doc.toString();
00308
00309 f.close();
00310
00311 return true;
00312 }
00313
00314 void Engine::slotUploadPayloadJobResult( KIO::Job *job )
00315 {
00316 if ( job->error() ) {
00317 kdDebug() << "Error uploading new stuff payload." << endl;
00318 job->showErrorDialog( mParentWidget );
00319 return;
00320 }
00321
00322 QFileInfo fi( mUploadMetaFile );
00323
00324 KURL metaDestination = mUploadProvider->uploadUrl();
00325 metaDestination.setFileName( fi.fileName() );
00326
00327 KIO::FileCopyJob *newJob = KIO::file_copy( mUploadMetaFile, metaDestination );
00328 connect( newJob, SIGNAL( result( KIO::Job * ) ),
00329 SLOT( slotUploadMetaJobResult( KIO::Job * ) ) );
00330 }
00331
00332 void Engine::slotUploadMetaJobResult( KIO::Job *job )
00333 {
00334 if ( job->error() ) {
00335 kdDebug() << "Error uploading new stuff payload." << endl;
00336 job->showErrorDialog( mParentWidget );
00337 return;
00338 }
00339
00340 KMessageBox::information( mParentWidget,
00341 i18n("Successfully uploaded new stuff.") );
00342 }