void AppLinkProvider::update()
{
emit aboutToBeChanged();
QHash<QString, AppLinkItem*> newItems;
#ifdef HAVE_MENU_CACHE
// libmenu-cache is available, use it to get cached app list
GSList* apps = menu_cache_list_all_apps(mMenuCache);
for(GSList* l = apps; l; l = l->next)
{
MenuCacheApp* app = MENU_CACHE_APP(l->data);
AppLinkItem *item = new AppLinkItem(app);
AppLinkItem *prevItem = newItems[item->command()];
if(prevItem)
delete prevItem; // delete previous item;
newItems.insert(item->command(), item);
menu_cache_item_unref(MENU_CACHE_ITEM(app));
}
g_slist_free(apps);
#else
// use libqtxdg XdgMenu to get installed apps
doUpdate(mXdgMenu->xml().documentElement(), newItems);
#endif
{
QMutableListIterator<CommandProviderItem*> i(*this);
while (i.hasNext()) {
AppLinkItem *item = static_cast<AppLinkItem*>(i.next());
AppLinkItem *newItem = newItems.take(item->command());
if (newItem)
{
*(item) = *newItem; // Copy by value, not pointer!
// After the item is copied, the original "updateIcon" call queued
// on the newItem object is never called since the object iss going to
// be deleted. Hence we need to call it on the copied item manually.
// Otherwise the copied item will have no icon.
// FIXME: this is a dirty hack and it should be made cleaner later.
if(item->icon().isNull())
QMetaObject::invokeMethod(item, "updateIcon", Qt::QueuedConnection);
delete newItem;
}
else
{
i.remove();
delete item;
}
}
}
{
QHashIterator<QString, AppLinkItem*> i(newItems);
while (i.hasNext())
{
append(i.next().value());
}
}
emit changed();
}
void AppLinkProvider::update()
{
emit aboutToBeChanged();
QHash<QString, AppLinkItem*> newItems;
doUpdate(mXdgMenu->xml().documentElement(), newItems);
{
QMutableListIterator<CommandProviderItem*> i(*this);
while (i.hasNext()) {
AppLinkItem *item = static_cast<AppLinkItem*>(i.next());
AppLinkItem *newItem = newItems.take(item->command());
if (newItem)
{
*(item) = *newItem; // Copy by value, not pointer!
delete newItem;
}
else
{
i.remove();
delete item;
}
}
}
{
QHashIterator<QString, AppLinkItem*> i(newItems);
while (i.hasNext())
{
append(i.next().value());
}
}
emit changed();
}
void doUpdate(const QDomElement &xml, QHash<QString, AppLinkItem*> &items)
{
DomElementIterator it(xml, "");
while (it.hasNext())
{
QDomElement e = it.next();
// Build submenu ........................
if (e.tagName() == "Menu")
doUpdate(e, items);
//Build application link ................
else if (e.tagName() == "AppLink")
{
AppLinkItem *item = new AppLinkItem(e);
delete items[item->command()]; // delete previous item;
items.insert(item->command(), item);
}
}
}