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