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https://github.com/elementary/gala.git
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129 lines
3.9 KiB
Vala
129 lines
3.9 KiB
Vala
/*
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* Copyright 2024 elementary, Inc. (https://elementary.io)
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* SPDX-License-Identifier: GPL-3.0-or-later
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*
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* Authored by: Leonhard Kargl <leo.kargl@proton.me>
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*/
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public class Gala.Drawing.StyleManager : Object {
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public enum ColorScheme {
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NO_PREFERENCE,
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DARK,
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LIGHT
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}
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[DBus (name="org.freedesktop.Accounts")]
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private interface Accounts : Object {
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public abstract async string find_user_by_name (string name) throws IOError, DBusError;
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}
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[DBus (name="io.elementary.pantheon.AccountsService")]
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private interface AccountsService : DBusProxy {
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public abstract int prefers_color_scheme { get; set; }
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public abstract int prefers_accent_color { get; set; }
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}
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private const string FDO_ACCOUNTS_NAME = "org.freedesktop.Accounts";
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private const string FDO_ACCOUNTS_PATH = "/org/freedesktop/Accounts";
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private const double ACCENT_COLOR_ALPHA = 0.25;
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private const Gdk.RGBA DEFAULT_ACCENT_COLOR = { 0, 0, 0, ACCENT_COLOR_ALPHA };
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private static GLib.Once<StyleManager> instance;
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public static StyleManager get_instance () {
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return instance.once (() => {return new StyleManager ();});
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}
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public ColorScheme prefers_color_scheme { get; private set; default = LIGHT; }
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public Gdk.RGBA theme_accent_color { get; private set; default = DEFAULT_ACCENT_COLOR; }
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private AccountsService? accounts_service_proxy;
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construct {
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Bus.watch_name (SYSTEM, FDO_ACCOUNTS_NAME, NONE, () => connect_to_accounts_service.begin (), () => accounts_service_proxy = null);
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}
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private async void connect_to_accounts_service () {
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try {
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var accounts = yield Bus.get_proxy<Accounts> (SYSTEM, FDO_ACCOUNTS_NAME, FDO_ACCOUNTS_PATH);
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var path = yield accounts.find_user_by_name (Environment.get_user_name ());
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accounts_service_proxy = yield Bus.get_proxy<AccountsService> (SYSTEM, FDO_ACCOUNTS_NAME, path, GET_INVALIDATED_PROPERTIES);
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} catch {
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warning ("Could not connect to AccountsService. Default accent color will be used");
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return;
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}
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update_color_scheme (accounts_service_proxy.prefers_color_scheme);
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update_color (accounts_service_proxy.prefers_accent_color);
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accounts_service_proxy.g_properties_changed.connect ((changed, invalid) => {
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var value = changed.lookup_value ("PrefersAccentColor", new VariantType ("i"));
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if (value != null) {
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update_color (value.get_int32 ());
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}
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value = changed.lookup_value ("PrefersColorScheme", new VariantType ("i"));
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if (value != null) {
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update_color_scheme (value.get_int32 ());
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}
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});
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}
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private void update_color_scheme (int color_scheme) {
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prefers_color_scheme = (ColorScheme) color_scheme;
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}
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private void update_color (int color) {
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var rgb = get_color (color);
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double r = ((rgb >> 16) & 255) / 255.0;
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double g = ((rgb >> 8) & 255) / 255.0;
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double b = (rgb & 255) / 255.0;
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theme_accent_color = {
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r,
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g,
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b,
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ACCENT_COLOR_ALPHA
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};
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}
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private int get_color (int color) {
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switch (color) {
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case 1: // Strawberry
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return 0xed5353;
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case 2: // Orange
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return 0xffa154;
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case 3: // Banana
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return 0xf9c440;
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case 4: // Lime
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return 0x68b723;
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case 5: // Mint
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return 0x28bca3;
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case 6: // Blueberry
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return 0x3689e6;
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case 7: // Grape
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return 0xa56de2;
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case 8: // Bubblegum
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return 0xde3e80;
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case 9: // Cocoa
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return 0x8a715e;
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case 10: // Slate
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return 0x667885;
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}
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return 0;
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}
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}
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