1package eu.siacs.conversations;
 2
 3import android.annotation.SuppressLint;
 4import android.app.Application;
 5import android.content.Context;
 6import android.content.SharedPreferences;
 7import android.preference.PreferenceManager;
 8
 9import androidx.appcompat.app.AppCompatDelegate;
10
11import com.google.android.material.color.DynamicColors;
12import com.google.android.material.color.DynamicColorsOptions;
13
14import eu.siacs.conversations.services.EmojiInitializationService;
15import eu.siacs.conversations.utils.ExceptionHelper;
16
17public class Conversations extends Application {
18
19    @SuppressLint("StaticFieldLeak")
20    private static Context CONTEXT;
21
22    public static Context getContext() {
23        return Conversations.CONTEXT;
24    }
25
26    @Override
27    public void onCreate() {
28        super.onCreate();
29        CONTEXT = this.getApplicationContext();
30        EmojiInitializationService.execute(getApplicationContext());
31        ExceptionHelper.init(getApplicationContext());
32        applyThemeSettings();
33    }
34
35    public void applyThemeSettings() {
36        final var sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
37        if (sharedPreferences == null) {
38            return;
39        }
40        applyThemeSettings(sharedPreferences);
41    }
42
43    private void applyThemeSettings(final SharedPreferences sharedPreferences) {
44        AppCompatDelegate.setDefaultNightMode(getDesiredNightMode(this, sharedPreferences));
45        var dynamicColorsOptions =
46                new DynamicColorsOptions.Builder()
47                        .setPrecondition((activity, t) -> isDynamicColorsDesired(activity))
48                        .build();
49        DynamicColors.applyToActivitiesIfAvailable(this, dynamicColorsOptions);
50    }
51
52    public static int getDesiredNightMode(final Context context) {
53        final var sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
54        if (sharedPreferences == null) {
55            return AppCompatDelegate.getDefaultNightMode();
56        }
57        return getDesiredNightMode(context, sharedPreferences);
58    }
59
60    public static boolean isDynamicColorsDesired(final Context context) {
61        final var preferences = PreferenceManager.getDefaultSharedPreferences(context);
62        return preferences.getBoolean(AppSettings.DYNAMIC_COLORS, false);
63    }
64
65    private static int getDesiredNightMode(
66            final Context context, final SharedPreferences sharedPreferences) {
67        final String theme =
68                sharedPreferences.getString(AppSettings.THEME, context.getString(R.string.theme));
69        return getDesiredNightMode(theme);
70    }
71
72    public static int getDesiredNightMode(final String theme) {
73        if ("automatic".equals(theme)) {
74            return AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM;
75        } else if ("light".equals(theme)) {
76            return AppCompatDelegate.MODE_NIGHT_NO;
77        } else {
78            return AppCompatDelegate.MODE_NIGHT_YES;
79        }
80    }
81}