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tdelibs/tdenewstuff/provider.cpp

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11 KiB

/*
This file is part of KOrganizer.
Copyright (c) 2002 Cornelius Schumacher <schumacher@kde.org>
Copyright (c) 2014 Timothy Pearson <kb9vqf@pearsoncomputing.net>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <tdeconfig.h>
#include <kdebug.h>
#include <tdeio/job.h>
#include <tdeglobal.h>
#include <tdemessagebox.h>
#include <tdelocale.h>
#include <tqptrdict.h>
#include <tqwindowdefs.h>
#include "provider.h"
#include "provider.moc"
using namespace KNS;
// BCI for KDE 3.5 only
class ProviderPrivate
{
public:
ProviderPrivate(){}
KURL mDownloadUrlLatest;
KURL mDownloadUrlScore;
KURL mDownloadUrlDownloads;
};
static TQPtrDict<ProviderPrivate> *d_ptr_prov = 0;
static ProviderPrivate *d_prov(const Provider *p)
{
if(!d_ptr_prov)
{
d_ptr_prov = new TQPtrDict<ProviderPrivate>();
d_ptr_prov->setAutoDelete(true);
}
ProviderPrivate *ret = d_ptr_prov->find((void*)p);
if(!ret)
{
ret = new ProviderPrivate();
d_ptr_prov->replace((void*)p, ret);
}
return ret;
}
KURL Provider::downloadUrlVariant( TQString variant ) const
{
if((variant == "latest") && (d_prov(this)->mDownloadUrlLatest.isValid()))
return d_prov(this)->mDownloadUrlLatest;
if((variant == "score") && (d_prov(this)->mDownloadUrlScore.isValid()))
return d_prov(this)->mDownloadUrlScore;
if((variant == "downloads") && (d_prov(this)->mDownloadUrlDownloads.isValid()))
return d_prov(this)->mDownloadUrlDownloads;
return mDownloadUrl;
}
// BCI part ends here
Provider::Provider( TQString type, TQWidget* parent ) : mNoUpload( false ), mParent( parent ), mLoaded( false ), mContentType( type )
{
}
Provider::Provider( const TQDomElement &e, TQString type, TQWidget* parent ) : mNoUpload( false ), mParent( parent ), mLoaded( false ), mContentType( type )
{
parseDomElement( e );
}
Provider::~Provider()
{
if (d_ptr_prov)
{
ProviderPrivate *p = d_ptr_prov->find(this);
if (p)
d_ptr_prov->remove(p);
if (d_ptr_prov->isEmpty())
{
delete d_ptr_prov;
d_ptr_prov = 0L;
}
}
}
bool Provider::loaded()
{
return mLoaded;
}
void Provider::setName( const TQString &name )
{
mName = name;
}
TQString Provider::name() const
{
return mName;
}
void Provider::setIcon( const KURL &url )
{
mIcon = url;
}
KURL Provider::icon() const
{
return mIcon;
}
void Provider::setDownloadUrl( const KURL &url )
{
mDownloadUrl = url;
}
KURL Provider::downloadUrl() const
{
return mDownloadUrl;
}
void Provider::setUploadUrl( const KURL &url )
{
mUploadUrl = url;
}
KURL Provider::uploadUrl() const
{
return mUploadUrl;
}
void Provider::setNoUploadUrl( const KURL &url )
{
mNoUploadUrl = url;
}
KURL Provider::noUploadUrl() const
{
return mNoUploadUrl;
}
void Provider::setNoUpload( bool enabled )
{
mNoUpload = enabled;
}
bool Provider::noUpload() const
{
return mNoUpload;
}
void Provider::parseDomElement( const TQDomElement &element )
{
bool contentAvailable = false;
if ( element.tagName() != "provider" ) return;
TQDomNode n;
for ( n = element.firstChild(); !n.isNull(); n = n.nextSibling() ) {
TQDomElement p = n.toElement();
if ( p.tagName() == "location" ) mBaseURL = p.text();
if ( p.tagName() == "icon" ) {
KURL iconurl( p.text() );
if(!iconurl.isValid()) iconurl.setPath( p.text() );
setIcon( iconurl );
}
if ( p.tagName() == "noupload" ) setNoUpload( true );
if ( p.tagName() == "name" ) setName( p.text().stripWhiteSpace() );
if ( p.tagName() == "services" ) {
TQDomNode n2;
for ( n2 = p.firstChild(); !n2.isNull(); n2 = n2.nextSibling() ) {
TQDomElement p = n2.toElement();
if ( p.tagName() == "content" ) contentAvailable = true;
}
}
}
if (!mBaseURL.endsWith("/")) {
mBaseURL.append("/");
}
if (contentAvailable) {
// Load content type list
KURL contentTypeUrl( mBaseURL + "content/categories" );
kdDebug() << "Provider::parseDomElement(): contentTypeUrl: " << contentTypeUrl << endl;
TDEIO::TransferJob *job = TDEIO::get( KURL( contentTypeUrl ), false, false );
connect( job, TQT_SIGNAL( result( TDEIO::Job * ) ),
TQT_SLOT( slotJobResult( TDEIO::Job * ) ) );
connect( job, TQT_SIGNAL( data( TDEIO::Job *, const TQByteArray & ) ),
TQT_SLOT( slotJobData( TDEIO::Job *, const TQByteArray & ) ) );
}
}
TQDomElement Provider::createDomElement( TQDomDocument &doc, TQDomElement &parent )
{
TQDomElement entry = doc.createElement( "stuff" );
parent.appendChild( entry );
TQDomElement n = doc.createElement( "name" );
n.appendChild( doc.createTextNode( name() ) );
entry.appendChild( n );
return entry;
}
void Provider::slotJobData( TDEIO::Job *, const TQByteArray &data )
{
kdDebug() << "Provider::slotJobData()" << endl;
if ( data.size() == 0 ) return;
TQCString str( data, data.size() + 1 );
mJobData.append( TQString::fromUtf8( str ) );
}
void Provider::slotJobResult( TDEIO::Job *job )
{
if ( job->error() ) {
if (mParent) {
job->showErrorDialog( mParent );
}
return;
}
kdDebug() << "--CONTENT-START--" << endl << mJobData << "--CONT_END--"
<< endl;
TQDomDocument doc;
if ( !doc.setContent( mJobData ) ) {
if (mParent) {
KMessageBox::error( mParent, i18n("Error parsing category list.") );
}
return;
}
TQDomElement categories = doc.documentElement();
if ( categories.isNull() ) {
kdDebug() << "No document in Content.xml." << endl;
}
TQStringList desiredCategoryList;
TQString desiredCategories;
TQDomNode n;
for ( n = categories.firstChild(); !n.isNull(); n = n.nextSibling() ) {
TQDomElement p = n.toElement();
if ( p.tagName() == "data" ) {
TQDomNode n2;
for ( n2 = p.firstChild(); !n2.isNull(); n2 = n2.nextSibling() ) {
TQDomElement p = n2.toElement();
if ( p.tagName() == "category" ) {
TQDomNode n3;
TQString id;
TQString name;
for ( n3 = p.firstChild(); !n3.isNull(); n3 = n3.nextSibling() ) {
TQDomElement p = n3.toElement();
if ( p.tagName() == "id" ) {
id = p.text();
}
if ( p.tagName() == "name" ) {
name = p.text();
}
}
if (mContentType == "") {
desiredCategoryList.append(id);
}
else {
if (name.lower().contains(mContentType.lower())) {
desiredCategoryList.append(id);
}
}
}
}
}
}
desiredCategories = desiredCategoryList.join("x");
// int maxEntries = 10;
//int maxEntries = 50;
int maxEntries = 100;
// FIXME
// The download URL assumes no more than 100 entries will be present on the remote server
// Any more and assembly of the list from multiple fetched pages will be required; the TDENewStuff Engine class does not have support for paging at this time
setDownloadUrl( KURL( mBaseURL + "content/data?categories=" + desiredCategories + "&search=&sortmode=alpha&page=0&pagesize=" + TQString("%1").arg(maxEntries) ) );
// FIXME
// Uploading is not implemented at this time
setUploadUrl( KURL( mBaseURL ) );
setNoUploadUrl( KURL( mBaseURL ) );
d_prov(this)->mDownloadUrlLatest = KURL( mBaseURL + "content/data?categories=" + desiredCategories + "&search=&sortmode=new&page=0&pagesize=" + TQString("%1").arg(maxEntries) );
d_prov(this)->mDownloadUrlScore = KURL( mBaseURL + "content/data?categories=" + desiredCategories + "&search=&sortmode=high&page=0&pagesize=" + TQString("%1").arg(maxEntries) );
d_prov(this)->mDownloadUrlDownloads = KURL( mBaseURL + "content/data?categories=" + desiredCategories + "&search=&sortmode=down&page=0&pagesize=" + TQString("%1").arg(maxEntries) );
mLoaded = true;
emit providerLoaded();
}
ProviderLoader::ProviderLoader( TQWidget *parentWidget ) :
TQObject( parentWidget )
{
mProviders.setAutoDelete( true );
}
void ProviderLoader::load( const TQString &type, const TQString &providersList )
{
kdDebug() << "ProviderLoader::load()" << endl;
mProviders.clear();
mJobData = "";
mContentType = type;
TDEConfig *cfg = TDEGlobal::config();
cfg->setGroup("TDENewStuff");
TQString providersUrl = providersList;
if( providersUrl.isEmpty() ) {
providersUrl = cfg->readEntry( "ProvidersUrl" );
}
if ( providersUrl.isEmpty() ) {
TQString server = cfg->readEntry( "MasterServer",
"https://www.trinitydesktop.org" );
providersUrl = server + "/ocs/providers.xml";
}
kdDebug() << "ProviderLoader::load(): providersUrl: " << providersUrl << endl;
TDEIO::TransferJob *job = TDEIO::get( KURL( providersUrl ), false, false );
connect( job, TQT_SIGNAL( result( TDEIO::Job * ) ),
TQT_SLOT( slotJobResult( TDEIO::Job * ) ) );
connect( job, TQT_SIGNAL( data( TDEIO::Job *, const TQByteArray & ) ),
TQT_SLOT( slotJobData( TDEIO::Job *, const TQByteArray & ) ) );
connect( job, TQT_SIGNAL( percent (TDEIO::Job *, unsigned long) ),
TQT_SIGNAL( percent (TDEIO::Job *, unsigned long) ) );
// job->dumpObjectInfo();
}
void ProviderLoader::slotJobData( TDEIO::Job *, const TQByteArray &data )
{
kdDebug() << "ProviderLoader::slotJobData()" << endl;
if ( data.size() == 0 ) return;
TQCString str( data, data.size() + 1 );
mJobData.append( TQString::fromUtf8( str ) );
}
void ProviderLoader::slotJobResult( TDEIO::Job *job )
{
if ( job->error() ) {
job->showErrorDialog( static_cast<TQWidget*>(parent()) );
emit error();
return;
}
kdDebug() << "--PROVIDERS-START--" << endl << mJobData << "--PROV_END--"
<< endl;
TQDomDocument doc;
if ( !doc.setContent( mJobData ) ) {
KMessageBox::error( static_cast<TQWidget*>(parent()), i18n("Error parsing providers list.") );
emit error();
return;
}
TQDomElement providers = doc.documentElement();
if ( providers.isNull() ) {
kdDebug() << "No document in Providers.xml." << endl;
emit error();
return;
}
TQDomNode n;
for ( n = providers.firstChild(); !n.isNull(); n = n.nextSibling() ) {
TQDomElement p = n.toElement();
if ( p.tagName() == "provider" ) {
Provider* prov = new Provider( p, mContentType, static_cast<TQWidget*>(parent()) );
mProviders.append( prov );
connect( prov, TQT_SIGNAL( providerLoaded() ), this, TQT_SLOT( providerLoaded() ) );
}
}
}
void ProviderLoader::providerLoaded() {
Provider* prov = NULL;
bool allLoaded = true;
for ( prov = mProviders.first(); prov; prov = mProviders.next() ) {
if (!prov->loaded()) {
allLoaded = false;
break;
}
}
if (allLoaded) {
emit providersLoaded( &mProviders );
}
}