src/variants.cpp

   1 /*
   2   Copyright (c) 2006 Paolo Capriotti <p.capriotti@gmail.com>
   3             (c) 2006 Maurizio Monge <maurizio.monge@kdemail.net>
   4
   5   This program 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 2 of the License, or
   8   (at your option) any later version.
   9 */
  10
  11 #include "variants.h"
  12 #include <memory>
  13 #include <KDebug>
  14 #include "foreach.h"
  15 #include "variant.h"
  16
  17 void load_plugins();
  18
  19 typedef Repository* PluginFactory(IVariantLoader*);
  20
  21 Repository* Variants::load(const KService::Ptr& plugin) {
  22     // load plugin
  23   QString symbol = plugin->library() + "_initrepo";
  24   KLibrary pluginLib(plugin->library());
  25
  26   // resolve initrepo function
  27   void* initrepo_ = pluginLib.resolveSymbol(qPrintable(symbol));
  28   if (!initrepo_) {
  29     kWarning() << "Error loading plugin" << plugin->library();
  30     kWarning() << pluginLib.errorString();
  31     return false;
  32   }
  33   PluginFactory* initrepo = reinterpret_cast<PluginFactory*>(initrepo_);
  34
  35   return (*initrepo)(this);
  36 }
  37
  38 Variants::Variants() { }
  39
  40 Variants& Variants::self() {
  41   static Variants inst;
  42   return inst;
  43 }
  44
  45 Variant* Variants::create(const KService::Ptr& plugin) {
  46   Repository* repo = load(plugin);
  47   if (repo)
  48     return new Variant(plugin->name(), repo,
  49       plugin->property("X-Tagua-Proxy").toString());
  50
  51   return 0;
  52 }
  53
  54 Variant* Variants::create(const QString& name) {
  55   KService::Ptr service = get(name);
  56   return service ? create(service) : 0;
  57 }
  58
  59 KService::Ptr Variants::get(const QString& name) {
  60   KService::List services =
  61     KServiceTypeTrader::self()->query("Tagua/Variant",
  62                                       "Name =~ '" + name + "'");
  63   if (services.empty())
  64     return KService::Ptr();
  65   else
  66     return services[0];
  67 }
  68
  69 KService::List Variants::all() const {
  70   return KServiceTypeTrader::self()->query(
  71     "Tagua/Variant", "[X-Tagua-Hidden] == false");
  72 }
  73
  74 Repository* Variants::getRepository(const QString& variant) {
  75   KService::Ptr service = get(variant);
  76   if (!service) return 0;
  77
  78   return load(service);
  79 }