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705 lines
18 KiB
705 lines
18 KiB
/*
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KNode, the KDE newsreader
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Copyright (c) 1999-2005 the KNode authors.
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See file AUTHORS for details
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <tqdir.h>
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#include <klocale.h>
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#include <kmessagebox.h>
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#include <kiconloader.h>
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#include <kdebug.h>
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#include <kcharsets.h>
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#include "articlewidget.h"
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#include "knmainwidget.h"
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#include "knarticlemanager.h"
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#include "kngroupdialog.h"
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#include "knnntpaccount.h"
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#include "knprotocolclient.h"
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#include "kncleanup.h"
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#include "knnetaccess.h"
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#include "knglobals.h"
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#include "knconfigmanager.h"
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#include "resource.h"
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#include "utilities.h"
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#include "knarticlewindow.h"
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#include "knmemorymanager.h"
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using namespace KNode;
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//=================================================================================
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// helper classes for the group selection dialog (getting the server's grouplist,
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// getting recently created groups)
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KNGroupInfo::KNGroupInfo()
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{
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}
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KNGroupInfo::KNGroupInfo(const TQString &n_ame, const TQString &d_escription, bool n_ewGroup, bool s_ubscribed, KNGroup::Status s_tatus)
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: name(n_ame), description(d_escription), newGroup(n_ewGroup), subscribed(s_ubscribed),
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status(s_tatus)
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{
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}
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KNGroupInfo::~KNGroupInfo()
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{
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}
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bool KNGroupInfo::operator== (const KNGroupInfo &gi2)
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{
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return (name == gi2.name);
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}
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bool KNGroupInfo::operator< (const KNGroupInfo &gi2)
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{
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return (name < gi2.name);
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}
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//===============================================================================
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KNGroupListData::KNGroupListData()
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: codecForDescriptions(0)
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{
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groups = new TQSortedList<KNGroupInfo>;
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groups->setAutoDelete(true);
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}
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KNGroupListData::~KNGroupListData()
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{
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delete groups;
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}
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bool KNGroupListData::readIn(KNProtocolClient *client)
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{
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KNFile f(path+"groups");
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TQCString line;
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int sepPos1,sepPos2;
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TQString name,description;
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bool sub;
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KNGroup::Status status=KNGroup::unknown;
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TQTime timer;
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uint size=f.size()+2;
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timer.start();
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if (client) client->updatePercentage(0);
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if(f.open(IO_ReadOnly)) {
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while(!f.atEnd()) {
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line = f.readLine();
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sepPos1 = line.find(' ');
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if (sepPos1==-1) { // no description
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name = TQString::fromUtf8(line);
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description = TQString::null;
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status = KNGroup::unknown;
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} else {
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name = TQString::fromUtf8(line.left(sepPos1));
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sepPos2 = line.find(' ',sepPos1+1);
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if (sepPos2==-1) { // no status
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description = TQString::fromUtf8(line.right(line.length()-sepPos1-1));
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status = KNGroup::unknown;
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} else {
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description = TQString::fromUtf8(line.right(line.length()-sepPos2-1));
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switch (line[sepPos1+1]) {
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case 'u': status = KNGroup::unknown;
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break;
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case 'n': status = KNGroup::readOnly;
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break;
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case 'y': status = KNGroup::postingAllowed;
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break;
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case 'm': status = KNGroup::moderated;
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break;
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}
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}
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}
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if (subscribed.contains(name)) {
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subscribed.remove(name); // group names are unique, we wont find it again anyway...
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sub = true;
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} else
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sub = false;
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groups->append(new KNGroupInfo(name,description,false,sub,status));
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if (timer.elapsed() > 200) { // don't flicker
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timer.restart();
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if (client) client->updatePercentage((f.at()*100)/size);
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}
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}
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f.close();
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return true;
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} else {
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kdWarning(5003) << "unable to open " << f.name() << " reason " << f.status() << endl;
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return false;
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}
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}
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bool KNGroupListData::writeOut()
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{
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TQFile f(path+"groups");
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TQCString temp;
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if(f.open(IO_WriteOnly)) {
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for (KNGroupInfo *i=groups->first(); i; i=groups->next()) {
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temp = i->name.utf8();
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switch (i->status) {
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case KNGroup::unknown: temp += " u ";
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break;
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case KNGroup::readOnly: temp += " n ";
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break;
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case KNGroup::postingAllowed: temp += " y ";
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break;
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case KNGroup::moderated: temp += " m ";
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break;
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}
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temp += i->description.utf8() + "\n";
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f.writeBlock(temp.data(),temp.length());
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}
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f.close();
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return true;
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} else {
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kdWarning(5003) << "unable to open " << f.name() << " reason " << f.status() << endl;
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return false;
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}
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}
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// merge in new groups, we want to preserve the "subscribed"-flag
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// of the loaded groups and the "new"-flag of the new groups.
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void KNGroupListData::merge(TQSortedList<KNGroupInfo>* newGroups)
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{
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bool subscribed;
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for (KNGroupInfo *i=newGroups->first(); i; i=newGroups->next()) {
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if (groups->find(i)>=0) {
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subscribed = groups->current()->subscribed;
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groups->remove(); // avoid duplicates
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} else
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subscribed = false;
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groups->append(new KNGroupInfo(i->name,i->description,true,subscribed,i->status));
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}
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groups->sort();
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}
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TQSortedList<KNGroupInfo>* KNGroupListData::extractList()
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{
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TQSortedList<KNGroupInfo>* temp = groups;
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groups = 0;
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return temp;
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}
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//===============================================================================
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KNGroupManager::KNGroupManager(TQObject * parent, const char * name)
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: TQObject(parent,name)
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{
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c_urrentGroup=0;
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a_rticleMgr = knGlobals.articleManager();
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}
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KNGroupManager::~KNGroupManager()
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{
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for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it )
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delete (*it);
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}
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void KNGroupManager::syncGroups()
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{
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for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it ) {
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(*it)->syncDynamicData();
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(*it)->saveInfo();
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}
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}
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void KNGroupManager::loadGroups(KNNntpAccount *a)
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{
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KNGroup *group;
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TQString dir(a->path());
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if (dir.isNull())
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return;
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TQDir d(dir);
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TQStringList entries(d.entryList("*.grpinfo"));
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for(TQStringList::Iterator it=entries.begin(); it != entries.end(); ++it) {
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group=new KNGroup(a);
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if (group->readInfo(dir+(*it))) {
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mGroupList.append( group );
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emit groupAdded(group);
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} else {
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delete group;
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kdError(5003) << "Unable to load " << (*it) << "!" << endl;
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}
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}
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}
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void KNGroupManager::getSubscribed(KNNntpAccount *a, TQStringList &l)
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{
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l.clear();
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for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it )
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if ( (*it)->account() == a )
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l.append( (*it)->groupname() );
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}
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TQValueList<KNGroup*> KNGroupManager::groupsOfAccount( KNNntpAccount *a )
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{
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TQValueList<KNGroup*> ret;
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for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it )
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if ( (*it)->account() == a )
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ret.append( (*it) );
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return ret;
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}
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bool KNGroupManager::loadHeaders(KNGroup *g)
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{
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if (!g)
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return false;
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if (g->isLoaded())
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return true;
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// we want to delete old stuff first => reduce vm fragmentation
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knGlobals.memoryManager()->prepareLoad(g);
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if (g->loadHdrs()) {
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knGlobals.memoryManager()->updateCacheEntry( g );
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return true;
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}
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return false;
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}
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bool KNGroupManager::unloadHeaders(KNGroup *g, bool force)
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{
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if(!g || g->isLocked())
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return false;
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if(!g->isLoaded())
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return true;
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if (!force && (c_urrentGroup == g))
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return false;
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if (g->unloadHdrs(force))
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knGlobals.memoryManager()->removeCacheEntry(g);
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else
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return false;
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return true;
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}
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KNGroup* KNGroupManager::group(const TQString &gName, const KNServerInfo *s)
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{
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for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it )
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if ( (*it)->account() == s && (*it)->groupname() == gName )
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return (*it);
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return 0;
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}
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KNGroup* KNGroupManager::firstGroupOfAccount(const KNServerInfo *s)
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{
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for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it )
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if ( (*it)->account() == s )
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return (*it);
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return 0;
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}
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void KNGroupManager::expireAll(KNCleanUp *cup)
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{
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for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it ) {
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if( (*it)->isLocked() || (*it)->lockedArticles() > 0 )
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continue;
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if ( !(*it)->activeCleanupConfig()->expireToday() )
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continue;
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cup->appendCollection( *(it) );
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}
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}
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void KNGroupManager::expireAll(KNNntpAccount *a)
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{
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KNCleanUp *cup = new KNCleanUp();
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for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it ) {
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if( (*it)->account() != a || (*it)->isLocked() || (*it)->lockedArticles() > 0 )
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continue;
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KNArticleWindow::closeAllWindowsForCollection( (*it) );
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cup->appendCollection( (*it) );
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}
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cup->start();
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for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it ) {
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if( (*it)->account() != a || (*it)->isLocked() || (*it)->lockedArticles() > 0 )
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continue;
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emit groupUpdated( (*it) );
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if ( (*it) == c_urrentGroup ) {
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if ( loadHeaders( (*it) ) )
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a_rticleMgr->showHdrs();
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else
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a_rticleMgr->setGroup(0);
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}
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}
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delete cup;
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}
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void KNGroupManager::showGroupDialog(KNNntpAccount *a, TQWidget *parent)
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{
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KNGroupDialog* gDialog=new KNGroupDialog((parent!=0)? parent:knGlobals.topWidget, a);
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connect(gDialog, TQT_SIGNAL(loadList(KNNntpAccount*)), this, TQT_SLOT(slotLoadGroupList(KNNntpAccount*)));
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connect(gDialog, TQT_SIGNAL(fetchList(KNNntpAccount*)), this, TQT_SLOT(slotFetchGroupList(KNNntpAccount*)));
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connect(gDialog, TQT_SIGNAL(checkNew(KNNntpAccount*,TQDate)), this, TQT_SLOT(slotCheckForNewGroups(KNNntpAccount*,TQDate)));
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connect(this, TQT_SIGNAL(newListReady(KNGroupListData*)), gDialog, TQT_SLOT(slotReceiveList(KNGroupListData*)));
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if(gDialog->exec()) {
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KNGroup *g=0;
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TQStringList lst;
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gDialog->toUnsubscribe(&lst);
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if (lst.count()>0) {
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if (KMessageBox::Yes == KMessageBox::questionYesNoList((parent!=0)? parent:knGlobals.topWidget,i18n("Do you really want to unsubscribe\nfrom these groups?"),
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lst, TQString::null, i18n("Unsubscribe"), KStdGuiItem::cancel())) {
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for ( TQStringList::Iterator it = lst.begin(); it != lst.end(); ++it ) {
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if((g=group(*it, a)))
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unsubscribeGroup(g);
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}
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}
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}
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TQSortedList<KNGroupInfo> lst2;
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gDialog->toSubscribe(&lst2);
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for(KNGroupInfo *var=lst2.first(); var; var=lst2.next()) {
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subscribeGroup(var, a);
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}
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}
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delete gDialog;
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}
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void KNGroupManager::subscribeGroup(const KNGroupInfo *gi, KNNntpAccount *a)
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{
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KNGroup *grp;
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grp=new KNGroup(a);
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grp->setGroupname(gi->name);
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grp->setDescription(gi->description);
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grp->setStatus(gi->status);
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grp->saveInfo();
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mGroupList.append( grp );
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emit groupAdded(grp);
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}
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bool KNGroupManager::unsubscribeGroup(KNGroup *g)
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{
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KNNntpAccount *acc;
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if(!g) g=c_urrentGroup;
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if(!g) return false;
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if((g->isLocked()) || (g->lockedArticles()>0)) {
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KMessageBox::sorry(knGlobals.topWidget, i18n("The group \"%1\" is being updated currently.\nIt is not possible to unsubscribe from it at the moment.").arg(g->groupname()));
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return false;
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}
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KNArticleWindow::closeAllWindowsForCollection(g);
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ArticleWidget::collectionRemoved( g );
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acc=g->account();
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TQDir dir(acc->path(),g->groupname()+"*");
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if (dir.exists()) {
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if (unloadHeaders(g, true)) {
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if(c_urrentGroup==g) {
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setCurrentGroup(0);
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a_rticleMgr->updateStatusString();
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}
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const QFileInfoList *list = dir.entryInfoList(); // get list of matching files and delete all
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if (list) {
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QFileInfoListIterator it( *list );
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while (it.current()) {
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if (it.current()->fileName() == g->groupname()+".dynamic" ||
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it.current()->fileName() == g->groupname()+".static" ||
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it.current()->fileName() == g->groupname()+".grpinfo")
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dir.remove(it.current()->fileName());
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++it;
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}
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}
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kdDebug(5003) << "Files deleted!" << endl;
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emit groupRemoved(g);
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mGroupList.remove( g );
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delete g;
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return true;
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}
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}
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return false;
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}
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void KNGroupManager::showGroupProperties(KNGroup *g)
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{
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if(!g) g=c_urrentGroup;
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if(!g) return;
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g->showProperties();
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}
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void KNGroupManager::checkGroupForNewHeaders(KNGroup *g)
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{
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if(!g) g=c_urrentGroup;
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if(!g) return;
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if(g->isLocked()) {
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kdDebug(5003) << "KNGroupManager::checkGroupForNewHeaders() : group locked - returning" << endl;
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return;
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}
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g->setMaxFetch(knGlobals.configManager()->readNewsGeneral()->maxToFetch());
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emitJob( new KNJobData(KNJobData::JTfetchNewHeaders, this, g->account(), g) );
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}
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void KNGroupManager::expireGroupNow(KNGroup *g)
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{
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if(!g) return;
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if((g->isLocked()) || (g->lockedArticles()>0)) {
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KMessageBox::sorry(knGlobals.topWidget,
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i18n("This group cannot be expired because it is currently being updated.\n Please try again later."));
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return;
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}
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KNArticleWindow::closeAllWindowsForCollection(g);
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KNCleanUp cup;
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cup.expireGroup(g, true);
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emit groupUpdated(g);
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if(g==c_urrentGroup) {
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if( loadHeaders(g) )
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a_rticleMgr->showHdrs();
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else
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a_rticleMgr->setGroup(0);
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}
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}
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void KNGroupManager::reorganizeGroup(KNGroup *g)
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{
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if(!g) g=c_urrentGroup;
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if(!g) return;
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g->reorganize();
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if(g==c_urrentGroup)
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a_rticleMgr->showHdrs();
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}
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void KNGroupManager::setCurrentGroup(KNGroup *g)
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{
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c_urrentGroup=g;
|
|
a_rticleMgr->setGroup(g);
|
|
kdDebug(5003) << "KNGroupManager::setCurrentGroup() : group changed" << endl;
|
|
|
|
if(g) {
|
|
if( !loadHeaders(g) ) {
|
|
//KMessageBox::error(knGlobals.topWidget, i18n("Cannot load saved headers"));
|
|
return;
|
|
}
|
|
a_rticleMgr->showHdrs();
|
|
if(knGlobals.configManager()->readNewsGeneral()->autoCheckGroups())
|
|
checkGroupForNewHeaders(g);
|
|
}
|
|
}
|
|
|
|
|
|
void KNGroupManager::checkAll(KNNntpAccount *a, bool silent)
|
|
{
|
|
if(!a) return;
|
|
|
|
for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it ) {
|
|
if ( (*it)->account() == a ) {
|
|
(*it)->setMaxFetch( knGlobals.configManager()->readNewsGeneral()->maxToFetch() );
|
|
if ( silent )
|
|
emitJob( new KNJobData(KNJobData::JTsilentFetchNewHeaders, this, (*it)->account(), (*it) ) );
|
|
else
|
|
emitJob( new KNJobData(KNJobData::JTfetchNewHeaders, this, (*it)->account(), (*it) ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void KNGroupManager::processJob(KNJobData *j)
|
|
{
|
|
if((j->type()==KNJobData::JTLoadGroups)||(j->type()==KNJobData::JTFetchGroups)||(j->type()==KNJobData::JTCheckNewGroups)) {
|
|
KNGroupListData *d=static_cast<KNGroupListData*>(j->data());
|
|
|
|
if (!j->canceled()) {
|
|
if (j->success()) {
|
|
if ((j->type()==KNJobData::JTFetchGroups)||(j->type()==KNJobData::JTCheckNewGroups)) {
|
|
// update the descriptions of the subscribed groups
|
|
for ( TQValueList<KNGroup*>::Iterator it = mGroupList.begin(); it != mGroupList.end(); ++it ) {
|
|
if ( (*it)->account() == j->account() ) {
|
|
for ( KNGroupInfo* inf = d->groups->first(); inf; inf = d->groups->next() )
|
|
if ( inf->name == (*it)->groupname() ) {
|
|
(*it)->setDescription( inf->description );
|
|
(*it)->setStatus( inf->status );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
emit(newListReady(d));
|
|
} else {
|
|
KMessageBox::error(knGlobals.topWidget, j->errorString());
|
|
emit(newListReady(0));
|
|
}
|
|
} else
|
|
emit(newListReady(0));
|
|
|
|
delete j;
|
|
delete d;
|
|
|
|
|
|
} else { //KNJobData::JTfetchNewHeaders or KNJobData::JTsilentFetchNewHeaders
|
|
KNGroup *group=static_cast<KNGroup*>(j->data());
|
|
|
|
if (!j->canceled()) {
|
|
if (j->success()) {
|
|
if(group->lastFetchCount()>0) {
|
|
group->scoreArticles();
|
|
group->processXPostBuffer(true);
|
|
emit groupUpdated(group);
|
|
group->saveInfo();
|
|
knGlobals.memoryManager()->updateCacheEntry(group);
|
|
}
|
|
} else {
|
|
// ok, hack (?):
|
|
// stop all other active fetch jobs, this prevents that
|
|
// we show multiple error dialogs if a server is unavailable
|
|
knGlobals.netAccess()->stopJobsNntp(KNJobData::JTfetchNewHeaders);
|
|
knGlobals.netAccess()->stopJobsNntp(KNJobData::JTsilentFetchNewHeaders);
|
|
if(!(j->type()==KNJobData::JTsilentFetchNewHeaders)) {
|
|
KMessageBox::error(knGlobals.topWidget, j->errorString());
|
|
}
|
|
}
|
|
}
|
|
if(group==c_urrentGroup)
|
|
a_rticleMgr->showHdrs(false);
|
|
|
|
delete j;
|
|
}
|
|
}
|
|
|
|
|
|
// load group list from disk (if this fails: ask user if we should fetch the list)
|
|
void KNGroupManager::slotLoadGroupList(KNNntpAccount *a)
|
|
{
|
|
KNGroupListData *d = new KNGroupListData();
|
|
d->path = a->path();
|
|
|
|
if(!TQFileInfo(d->path+"groups").exists()) {
|
|
if (KMessageBox::Yes==KMessageBox::questionYesNo(knGlobals.topWidget,i18n("You do not have any groups for this account;\ndo you want to fetch a current list?"), TQString::null, i18n("Fetch List"), i18n("Do Not Fetch"))) {
|
|
delete d;
|
|
slotFetchGroupList(a);
|
|
return;
|
|
} else {
|
|
emit(newListReady(d));
|
|
delete d;
|
|
return;
|
|
}
|
|
}
|
|
|
|
getSubscribed(a,d->subscribed);
|
|
d->getDescriptions = a->fetchDescriptions();
|
|
|
|
emitJob( new KNJobData(KNJobData::JTLoadGroups, this, a, d) );
|
|
}
|
|
|
|
|
|
// fetch group list from server
|
|
void KNGroupManager::slotFetchGroupList(KNNntpAccount *a)
|
|
{
|
|
KNGroupListData *d = new KNGroupListData();
|
|
d->path = a->path();
|
|
getSubscribed(a,d->subscribed);
|
|
d->getDescriptions = a->fetchDescriptions();
|
|
d->codecForDescriptions=KGlobal::charsets()->codecForName(knGlobals.configManager()->postNewsTechnical()->charset());
|
|
|
|
emitJob( new KNJobData(KNJobData::JTFetchGroups, this, a, d) );
|
|
}
|
|
|
|
|
|
// check for new groups (created after the given date)
|
|
void KNGroupManager::slotCheckForNewGroups(KNNntpAccount *a, TQDate date)
|
|
{
|
|
KNGroupListData *d = new KNGroupListData();
|
|
d->path = a->path();
|
|
getSubscribed(a,d->subscribed);
|
|
d->getDescriptions = a->fetchDescriptions();
|
|
d->fetchSince = date;
|
|
d->codecForDescriptions=KGlobal::charsets()->codecForName(knGlobals.configManager()->postNewsTechnical()->charset());
|
|
|
|
emitJob( new KNJobData(KNJobData::JTCheckNewGroups, this, a, d) );
|
|
}
|
|
|
|
|
|
//--------------------------------
|
|
|
|
#include "kngroupmanager.moc"
|
|
|
|
// kate: space-indent on; indent-width 2;
|