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using GLib;
namespace Dino.Ui {
public struct DBusMenuLayout {
public int id;
public HashTable<string, Variant> properties;
public Variant[] children;
}
[DBus (name = "com.canonical.dbusmenu")]
public class StatusNotifierMenu : Object {
private const int ROOT_ITEM_ID = 0;
private const int QUIT_ITEM_ID = 1;
private weak Application application;
private bool quit_scheduled;
public uint version { get { return 3; } }
public string text_direction { owned get { return "ltr"; } }
public string status { owned get { return "normal"; } }
public string[] icon_theme_path { owned get { return new string[0]; } }
public signal void layout_updated(uint revision, int parent);
public StatusNotifierMenu(Application application) {
this.application = application;
}
public void get_layout(int parent_id, int recursion_depth, string[] property_names,
out uint revision, out DBusMenuLayout layout) throws Error {
revision = 1;
layout = create_layout(parent_id, recursion_depth, property_names);
}
public void @event(int id, string event_id, Variant data, uint timestamp) throws Error {
if (id != QUIT_ITEM_ID || event_id != "clicked" || quit_scheduled) return;
quit_scheduled = true;
Idle.add(() => {
application.quit();
return Source.REMOVE;
});
}
public bool about_to_show(int id) throws Error {
return false;
}
private DBusMenuLayout create_layout(int id, int recursion_depth, string[] property_names) {
DBusMenuLayout layout = DBusMenuLayout();
layout.id = id;
layout.properties = get_item_properties(id, property_names);
layout.children = new Variant[0];
if (id == ROOT_ITEM_ID && recursion_depth != 0) {
DBusMenuLayout quit_item = create_layout(QUIT_ITEM_ID, 0, property_names);
layout.children = new Variant[] { layout_to_variant(quit_item) };
}
return layout;
}
private HashTable<string, Variant> get_item_properties(int id, string[] property_names) {
HashTable<string, Variant> properties = new HashTable<string, Variant>(str_hash, str_equal);
if (id == ROOT_ITEM_ID) {
add_property(properties, property_names, "children-display", new Variant.string("submenu"));
} else if (id == QUIT_ITEM_ID) {
add_property(properties, property_names, "label", new Variant.string(_("Quit Dino")));
}
return properties;
}
private static void add_property(HashTable<string, Variant> properties, string[] property_names,
string name, Variant value) {
if (property_names.length == 0 || name in property_names) {
properties.insert(name, value);
}
}
private static Variant layout_to_variant(DBusMenuLayout layout) {
VariantBuilder properties = new VariantBuilder(new VariantType("a{sv}"));
layout.properties.foreach((name, value) => {
properties.add("{sv}", name, value);
});
Variant[] children = new Variant[layout.children.length];
for (int i = 0; i < layout.children.length; i++) {
children[i] = new Variant.variant(layout.children[i]);
}
return new Variant.tuple(new Variant[] {
new Variant.int32(layout.id),
properties.end(),
new Variant.array(VariantType.VARIANT, children)
});
}
}
}
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