public void install(@Nullable final Runnable onSuccess, boolean confirmed) {
    IdeaPluginDescriptor[] selection = getPluginTable().getSelectedObjects();

    if (confirmed || userConfirm(selection)) {
      final List<PluginNode> list = new ArrayList<PluginNode>();
      for (IdeaPluginDescriptor descr : selection) {
        PluginNode pluginNode = null;
        if (descr instanceof PluginNode) {
          pluginNode = (PluginNode) descr;
        } else if (descr instanceof IdeaPluginDescriptorImpl) {
          PluginId pluginId = descr.getPluginId();
          pluginNode = new PluginNode(pluginId);
          pluginNode.setName(descr.getName());
          pluginNode.setDepends(
              Arrays.asList(descr.getDependentPluginIds()), descr.getOptionalDependentPluginIds());
          pluginNode.setSize("-1");
          pluginNode.setRepositoryName(PluginInstaller.UNKNOWN_HOST_MARKER);
        }

        if (pluginNode != null) {
          list.add(pluginNode);
          ourInstallingNodes.add(pluginNode);
        }
      }

      final InstalledPluginsTableModel installedModel =
          (InstalledPluginsTableModel) myInstalled.getPluginsModel();
      final Set<IdeaPluginDescriptor> disabled = new HashSet<IdeaPluginDescriptor>();
      final Set<IdeaPluginDescriptor> disabledDependants = new HashSet<IdeaPluginDescriptor>();
      for (PluginNode node : list) {
        final PluginId pluginId = node.getPluginId();
        if (installedModel.isDisabled(pluginId)) {
          disabled.add(node);
        }
        final List<PluginId> depends = node.getDepends();
        if (depends != null) {
          final Set<PluginId> optionalDeps =
              new HashSet<PluginId>(Arrays.asList(node.getOptionalDependentPluginIds()));
          for (PluginId dependantId : depends) {
            if (optionalDeps.contains(dependantId)) continue;
            final IdeaPluginDescriptor pluginDescriptor = PluginManager.getPlugin(dependantId);
            if (pluginDescriptor != null && installedModel.isDisabled(dependantId)) {
              disabledDependants.add(pluginDescriptor);
            }
          }
        }
      }

      if (suggestToEnableInstalledPlugins(installedModel, disabled, disabledDependants, list)) {
        myInstalled.setRequireShutdown(true);
      }

      try {
        Runnable onInstallRunnable =
            new Runnable() {
              @Override
              public void run() {
                for (PluginNode node : list) {
                  installedModel.appendOrUpdateDescriptor(node);
                }
                if (!myInstalled.isDisposed()) {
                  getPluginTable().updateUI();
                  myInstalled.setRequireShutdown(true);
                } else {
                  boolean needToRestart = false;
                  for (PluginNode node : list) {
                    final IdeaPluginDescriptor pluginDescriptor =
                        PluginManager.getPlugin(node.getPluginId());
                    if (pluginDescriptor == null || pluginDescriptor.isEnabled()) {
                      needToRestart = true;
                      break;
                    }
                  }

                  if (needToRestart) {
                    PluginManagerMain.notifyPluginsUpdated(null);
                  }
                }
                if (onSuccess != null) {
                  onSuccess.run();
                }
              }
            };
        Runnable cleanupRunnable =
            new Runnable() {
              @Override
              public void run() {
                ourInstallingNodes.removeAll(list);
              }
            };
        PluginManagerMain.downloadPlugins(
            list, myHost.getPluginsModel().getAllPlugins(), onInstallRunnable, cleanupRunnable);
      } catch (final IOException e1) {
        ourInstallingNodes.removeAll(list);
        PluginManagerMain.LOG.error(e1);
        //noinspection SSBasedInspection
        SwingUtilities.invokeLater(
            new Runnable() {
              @Override
              public void run() {
                IOExceptionDialog.showErrorDialog(
                    IdeBundle.message("action.download.and.install.plugin"),
                    IdeBundle.message("error.plugin.download.failed"));
              }
            });
      }
    }
  }