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/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 4 -*-
* -*- coding: utf-8 -*-
*
* Copyright (C) 2011 ~ 2018 Deepin, Inc.
* 2011 ~ 2018 Wang Yong
*
* Author: Wang Yong <wangyong@deepin.com>
* Maintainer: Wang Yong <wangyong@deepin.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
namespace Menu {
[DBus (name = "com.deepin.menu.Manager")]
interface MenuManagerInterface : Object {
public abstract string RegisterMenu() throws Error;
public abstract void UnregisterMenu(string object_path) throws Error;
}
[DBus (name = "com.deepin.menu.Menu")]
interface MenuInterface : Object {
public abstract void ShowMenu(string menu_json_content) throws Error;
public signal void ItemInvoked(string item_id, bool checked);
public signal void MenuUnregistered();
}
public class MenuItem : Object {
public string menu_item_id;
public string menu_item_text;
public List<MenuItem> menu_item_submenu;
public MenuItem(string item_id, string item_text) {
menu_item_id = item_id;
menu_item_text = item_text;
menu_item_submenu = new List<MenuItem>();
}
public void add_submenu_item(MenuItem item) {
menu_item_submenu.append(item);
}
}
public class Menu : Object {
MenuManagerInterface menu_manager_interface;
MenuInterface menu_interface;
static string? menu_object_path;
public signal void click_item(string item_id);
public signal void destroy();
public Menu(int menu_x, int menu_y, List<MenuItem> menu_content) {
try {
menu_manager_interface = Bus.get_proxy_sync(BusType.SESSION, "com.deepin.menu", "/com/deepin/menu");
if (menu_object_path != null)
unregister();
menu_object_path = menu_manager_interface.RegisterMenu();
menu_interface = Bus.get_proxy_sync(BusType.SESSION, "com.deepin.menu", menu_object_path);
menu_interface.ItemInvoked.connect((item_id, checked) => {
click_item(item_id);
});
menu_interface.MenuUnregistered.connect(() => {
menu_object_path = null;
destroy();
});
} catch (Error e) {
stderr.printf ("%s\n", e.message);
}
show_menu(menu_x, menu_y, menu_content);
}
public void unregister(){
try {
menu_manager_interface.UnregisterMenu(menu_object_path);
} catch (Error e) {
stderr.printf ("%s\n", e.message);
}
menu_object_path = null;
}
public void show_menu(int x, int y, List<MenuItem> menu_content) {
// since GTK only supports integral scaling yet DDE supports fractional scaling,
// the scale on both sides may not be the same, so we need to negtiate here.
var scale = Utils.get_default_monitor_scale();
var dde_scale = Utils.get_dde_scale_ratio();
if (scale != dde_scale) {
x = (int)(x * scale / dde_scale);
y = (int)(y * scale / dde_scale);
}
try {
Json.Builder builder = new Json.Builder();
builder.begin_object();
builder.set_member_name("x");
builder.add_int_value(x);
builder.set_member_name("y");
builder.add_int_value(y);
builder.set_member_name("isDockMenu");
builder.add_boolean_value(false);
builder.set_member_name("menuJsonContent");
builder.add_string_value(get_items_node(menu_content));
builder.end_object ();
Json.Generator generator = new Json.Generator();
Json.Node root = builder.get_root();
generator.set_root(root);
string menu_json_content = generator.to_data(null);
menu_interface.ShowMenu(menu_json_content);
} catch (Error e) {
stderr.printf ("%s\n", e.message);
}
}
public string get_items_node(List<MenuItem> menu_content) {
Json.Builder builder = new Json.Builder();
builder.begin_object();
builder.set_member_name("items");
builder.begin_array ();
foreach (MenuItem item in menu_content) {
builder.add_value(get_item_node(item));
}
builder.end_array ();
builder.end_object ();
Json.Generator generator = new Json.Generator();
generator.set_root(builder.get_root());
return generator.to_data(null);
}
public Json.Node get_item_node(MenuItem item) {
Json.Builder builder = new Json.Builder();
builder.begin_object();
builder.set_member_name("itemId");
builder.add_string_value(item.menu_item_id);
builder.set_member_name("itemText");
builder.add_string_value(item.menu_item_text);
builder.set_member_name("itemIcon");
builder.add_string_value("");
builder.set_member_name("itemIconHover");
builder.add_string_value("");
builder.set_member_name("itemIconInactive");
builder.add_string_value("");
builder.set_member_name("itemExtra");
builder.add_string_value("");
builder.set_member_name("isActive");
builder.add_boolean_value(true);
builder.set_member_name("checked");
builder.add_boolean_value(false);
builder.set_member_name("itemSubMenu");
unowned List<MenuItem> submenu_items = item.menu_item_submenu;
if (submenu_items.length() == 0) {
builder.add_null_value();
} else {
Json.Builder _builder = new Json.Builder();
_builder.begin_object ();
_builder.set_member_name("items");
_builder.begin_array ();
foreach (MenuItem _item in submenu_items) {
_builder.add_value(get_item_node(_item));
}
_builder.end_array ();
_builder.end_object ();
builder.add_value(_builder.get_root());
}
builder.end_object ();
return builder.get_root();
}
}
}
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