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            "call_ringtone"
 35    );
 36    private static final List<String> UNUESD_SETTINGS_PRE_TWENTYSIX = Collections.singletonList("more_notification_settings");
 37
 38
 39    public static boolean hasStoragePermission(Context context) {
 40        return Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(context, android.Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
 41    }
 42
 43    public static boolean runsTwentyOne() {
 44        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
 45    }
 46
 47    private static boolean runsTwentyFour() {
 48        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N;
 49    }
 50
 51    public static boolean runsTwentySix() {
 52        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.O;
 53    }
 54
 55    public static boolean twentyEight() {
 56        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.P;
 57    }
 58
 59    private static boolean getBooleanPreference(Context context, String name, @BoolRes int res) {
 60        return getPreferences(context).getBoolean(name, context.getResources().getBoolean(res));
 61    }
 62
 63    private static SharedPreferences getPreferences(final Context context) {
 64        return PreferenceManager.getDefaultSharedPreferences(context);
 65    }
 66
 67    private static boolean targetsTwentySix(Context context) {
 68        try {
 69            final PackageManager packageManager = context.getPackageManager();
 70            final ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), 0);
 71            return applicationInfo == null || applicationInfo.targetSdkVersion >= 26;
 72        } catch (PackageManager.NameNotFoundException | RuntimeException e) {
 73            return true; //when in doubt…
 74        }
 75    }
 76
 77    private static boolean targetsTwentyFour(Context context) {
 78        try {
 79            final PackageManager packageManager = context.getPackageManager();
 80            final ApplicationInfo applicationInfo = packageManager.getApplicationInfo(context.getPackageName(), 0);
 81            return applicationInfo == null || applicationInfo.targetSdkVersion >= 24;
 82        } catch (PackageManager.NameNotFoundException | RuntimeException e) {
 83            return true; //when in doubt…
 84        }
 85    }
 86
 87    public static boolean runsAndTargetsTwentySix(Context context) {
 88        return runsTwentySix() && targetsTwentySix(context);
 89    }
 90
 91    public static boolean runsAndTargetsTwentyFour(Context context) {
 92        return runsTwentyFour() && targetsTwentyFour(context);
 93    }
 94
 95    public static boolean keepForegroundService(Context context) {
 96        return runsAndTargetsTwentySix(context) || getBooleanPreference(context, SettingsActivity.KEEP_FOREGROUND_SERVICE, R.bool.enable_foreground_service);
 97    }
 98
 99    public static void removeUnusedPreferences(SettingsFragment settingsFragment) {
100        List<PreferenceCategory> categories = Arrays.asList(
101                (PreferenceCategory) settingsFragment.findPreference("notification_category"),
102                (PreferenceCategory) settingsFragment.findPreference("advanced"));
103        for (String key : (runsTwentySix() ? UNUSED_SETTINGS_POST_TWENTYSIX : UNUESD_SETTINGS_PRE_TWENTYSIX)) {
104            Preference preference = settingsFragment.findPreference(key);
105            if (preference != null) {
106                for (PreferenceCategory category : categories) {
107                    if (category != null) {
108                        category.removePreference(preference);
109                    }
110                }
111            }
112        }
113        if (Compatibility.runsTwentySix()) {
114            if (targetsTwentySix(settingsFragment.getContext())) {
115                Preference preference = settingsFragment.findPreference(SettingsActivity.KEEP_FOREGROUND_SERVICE);
116                if (preference != null) {
117                    for (PreferenceCategory category : categories) {
118                        if (category != null) {
119                            category.removePreference(preference);
120                        }
121                    }
122                }
123            }
124        }
125    }
126
127    public static void startService(Context context, Intent intent) {
128        try {
129            if (Compatibility.runsAndTargetsTwentySix(context)) {
130                intent.putExtra(EXTRA_NEEDS_FOREGROUND_SERVICE, true);
131                ContextCompat.startForegroundService(context, intent);
132            } else {
133                context.startService(intent);
134            }
135        } catch (RuntimeException e) {
136            Log.d(Config.LOGTAG, context.getClass().getSimpleName()+" was unable to start service");
137        }
138    }
139}