1package eu.siacs.conversations.utils;
  2
  3import android.content.Context;
  4import android.content.Intent;
  5import android.content.SharedPreferences;
  6import android.content.pm.ApplicationInfo;
  7import android.content.pm.PackageManager;
  8import android.os.Build;
  9import android.preference.Preference;
 10import android.preference.PreferenceCategory;
 11import android.preference.PreferenceManager;
 12import android.support.annotation.BoolRes;
 13import android.support.v4.content.ContextCompat;
 14import android.util.Log;
 15
 16import java.util.Arrays;
 17import java.util.Collections;
 18import java.util.List;
 19
 20import eu.siacs.conversations.Config;
 21import eu.siacs.conversations.R;
 22import eu.siacs.conversations.ui.SettingsActivity;
 23import eu.siacs.conversations.ui.SettingsFragment;
 24
 25import static eu.siacs.conversations.services.EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE;
 26
 27public class Compatibility {
 28
 29    private static final List<String> UNUSED_SETTINGS_POST_TWENTYSIX = Arrays.asList(
 30            "led",
 31            "notification_ringtone",
 32            "notification_headsup",
 33            "vibrate_on_notification");
 34    private static final List<String> UNUESD_SETTINGS_PRE_TWENTYSIX = Collections.singletonList("more_notification_settings");
 35
 36
 37    public static boolean hasStoragePermission(Context context) {
 38        return Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(context, android.Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
 39    }
 40
 41    public static boolean runsTwentySix() {
 42        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
 43    }
 44
 45    public static boolean twentyEight() {
 46        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
 47    }
 48
 49    private static boolean getBooleanPreference(Context context, String name, @BoolRes int res) {
 50        return getPreferences(context).getBoolean(name, context.getResources().getBoolean(res));
 51    }
 52
 53    private static SharedPreferences getPreferences(final Context context) {
 54        return PreferenceManager.getDefaultSharedPreferences(context);
 55    }
 56
 57    private static boolean targetsTwentySix(Context context) {
 58        try {
 59            final PackageManager packageManager = context.getPackageManager();
 60            final ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), 0);
 61            return applicationInfo == null || applicationInfo.targetSdkVersion >= 26;
 62        } catch (PackageManager.NameNotFoundException | RuntimeException e) {
 63            return true; //when in doubt…
 64        }
 65    }
 66
 67    public static boolean runsAndTargetsTwentySix(Context context) {
 68        return runsTwentySix() && targetsTwentySix(context);
 69    }
 70
 71    public static boolean keepForegroundService(Context context) {
 72        return runsAndTargetsTwentySix(context) || getBooleanPreference(context, SettingsActivity.KEEP_FOREGROUND_SERVICE, R.bool.enable_foreground_service);
 73    }
 74
 75    public static void removeUnusedPreferences(SettingsFragment settingsFragment) {
 76        List<PreferenceCategory> categories = Arrays.asList(
 77                (PreferenceCategory) settingsFragment.findPreference("notification_category"),
 78                (PreferenceCategory) settingsFragment.findPreference("other_expert_category"));
 79        for (String key : (runsTwentySix() ? UNUSED_SETTINGS_POST_TWENTYSIX : UNUESD_SETTINGS_PRE_TWENTYSIX)) {
 80            Preference preference = settingsFragment.findPreference(key);
 81            if (preference != null) {
 82                for (PreferenceCategory category : categories) {
 83                    if (category != null) {
 84                        category.removePreference(preference);
 85                    }
 86                }
 87            }
 88        }
 89        if (Compatibility.runsTwentySix()) {
 90            if (targetsTwentySix(settingsFragment.getContext())) {
 91                Preference preference = settingsFragment.findPreference(SettingsActivity.KEEP_FOREGROUND_SERVICE);
 92                if (preference != null) {
 93                    for (PreferenceCategory category : categories) {
 94                        if (category != null) {
 95                            category.removePreference(preference);
 96                        }
 97                    }
 98                }
 99            }
100        }
101    }
102
103    public static void startService(Context context, Intent intent) {
104        try {
105            if (Compatibility.runsAndTargetsTwentySix(context)) {
106                intent.putExtra(EXTRA_NEEDS_FOREGROUND_SERVICE, true);
107                ContextCompat.startForegroundService(context, intent);
108            } else {
109                context.startService(intent);
110            }
111        } catch (RuntimeException e) {
112            Log.d(Config.LOGTAG, context.getClass().getSimpleName()+" was unable to start service");
113        }
114    }
115}