| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License |
| */ |
| package com.android.systemui.tuner; |
| |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.DialogInterface.OnClickListener; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.UserInfo; |
| import android.database.ContentObserver; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.provider.Settings.Secure; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| |
| import com.android.systemui.BatteryMeterDrawable; |
| import com.android.systemui.DemoMode; |
| import com.android.systemui.Dependency; |
| import com.android.systemui.R; |
| import com.android.systemui.SystemUI; |
| import com.android.systemui.SystemUIApplication; |
| import com.android.systemui.settings.CurrentUserTracker; |
| import com.android.systemui.statusbar.phone.StatusBarIconController; |
| import com.android.systemui.statusbar.phone.SystemUIDialog; |
| |
| import java.util.HashMap; |
| import java.util.Set; |
| |
| |
| public class TunerService { |
| |
| public static final String ACTION_CLEAR = "com.android.systemui.action.CLEAR_TUNER"; |
| |
| private static final String TUNER_VERSION = "sysui_tuner_version"; |
| |
| private static final int CURRENT_TUNER_VERSION = 1; |
| |
| private final Observer mObserver = new Observer(); |
| // Map of Uris we listen on to their settings keys. |
| private final ArrayMap<Uri, String> mListeningUris = new ArrayMap<>(); |
| // Map of settings keys to the listener. |
| private final HashMap<String, Set<Tunable>> mTunableLookup = new HashMap<>(); |
| private final Context mContext; |
| |
| private ContentResolver mContentResolver; |
| private int mCurrentUser; |
| private CurrentUserTracker mUserTracker; |
| |
| public TunerService(Context context) { |
| mContext = context; |
| mContentResolver = mContext.getContentResolver(); |
| |
| for (UserInfo user : UserManager.get(mContext).getUsers()) { |
| mCurrentUser = user.getUserHandle().getIdentifier(); |
| if (getValue(TUNER_VERSION, 0) != CURRENT_TUNER_VERSION) { |
| upgradeTuner(getValue(TUNER_VERSION, 0), CURRENT_TUNER_VERSION); |
| } |
| } |
| |
| mCurrentUser = ActivityManager.getCurrentUser(); |
| mUserTracker = new CurrentUserTracker(mContext) { |
| @Override |
| public void onUserSwitched(int newUserId) { |
| mCurrentUser = newUserId; |
| reloadAll(); |
| reregisterAll(); |
| } |
| }; |
| mUserTracker.startTracking(); |
| } |
| |
| public void destroy() { |
| mUserTracker.stopTracking(); |
| } |
| |
| private void upgradeTuner(int oldVersion, int newVersion) { |
| if (oldVersion < 1) { |
| String blacklistStr = getValue(StatusBarIconController.ICON_BLACKLIST); |
| if (blacklistStr != null) { |
| ArraySet<String> iconBlacklist = |
| StatusBarIconController.getIconBlacklist(blacklistStr); |
| |
| iconBlacklist.add("rotate"); |
| iconBlacklist.add("headset"); |
| |
| Settings.Secure.putStringForUser(mContentResolver, |
| StatusBarIconController.ICON_BLACKLIST, |
| TextUtils.join(",", iconBlacklist), mCurrentUser); |
| } |
| } |
| setValue(TUNER_VERSION, newVersion); |
| } |
| |
| public String getValue(String setting) { |
| return Settings.Secure.getStringForUser(mContentResolver, setting, mCurrentUser); |
| } |
| |
| public void setValue(String setting, String value) { |
| Settings.Secure.putStringForUser(mContentResolver, setting, value, mCurrentUser); |
| } |
| |
| public int getValue(String setting, int def) { |
| return Settings.Secure.getIntForUser(mContentResolver, setting, def, mCurrentUser); |
| } |
| |
| public String getValue(String setting, String def) { |
| String ret = Secure.getStringForUser(mContentResolver, setting, mCurrentUser); |
| if (ret == null) return def; |
| return ret; |
| } |
| |
| public void setValue(String setting, int value) { |
| Settings.Secure.putIntForUser(mContentResolver, setting, value, mCurrentUser); |
| } |
| |
| public void addTunable(Tunable tunable, String... keys) { |
| for (String key : keys) { |
| addTunable(tunable, key); |
| } |
| } |
| |
| private void addTunable(Tunable tunable, String key) { |
| if (!mTunableLookup.containsKey(key)) { |
| mTunableLookup.put(key, new ArraySet<Tunable>()); |
| } |
| mTunableLookup.get(key).add(tunable); |
| Uri uri = Settings.Secure.getUriFor(key); |
| if (!mListeningUris.containsKey(uri)) { |
| mListeningUris.put(uri, key); |
| mContentResolver.registerContentObserver(uri, false, mObserver, mCurrentUser); |
| } |
| // Send the first state. |
| String value = Settings.Secure.getStringForUser(mContentResolver, key, mCurrentUser); |
| tunable.onTuningChanged(key, value); |
| } |
| |
| public void removeTunable(Tunable tunable) { |
| for (Set<Tunable> list : mTunableLookup.values()) { |
| list.remove(tunable); |
| } |
| } |
| |
| protected void reregisterAll() { |
| if (mListeningUris.size() == 0) { |
| return; |
| } |
| mContentResolver.unregisterContentObserver(mObserver); |
| for (Uri uri : mListeningUris.keySet()) { |
| mContentResolver.registerContentObserver(uri, false, mObserver, mCurrentUser); |
| } |
| } |
| |
| public void reloadSetting(Uri uri) { |
| String key = mListeningUris.get(uri); |
| Set<Tunable> tunables = mTunableLookup.get(key); |
| if (tunables == null) { |
| return; |
| } |
| String value = Settings.Secure.getStringForUser(mContentResolver, key, mCurrentUser); |
| for (Tunable tunable : tunables) { |
| tunable.onTuningChanged(key, value); |
| } |
| } |
| |
| private void reloadAll() { |
| for (String key : mTunableLookup.keySet()) { |
| String value = Settings.Secure.getStringForUser(mContentResolver, key, |
| mCurrentUser); |
| for (Tunable tunable : mTunableLookup.get(key)) { |
| tunable.onTuningChanged(key, value); |
| } |
| } |
| } |
| |
| public void clearAll() { |
| // A couple special cases. |
| Settings.Global.putString(mContentResolver, DemoMode.DEMO_MODE_ALLOWED, null); |
| Settings.System.putString(mContentResolver, BatteryMeterDrawable.SHOW_PERCENT_SETTING, null); |
| Intent intent = new Intent(DemoMode.ACTION_DEMO); |
| intent.putExtra(DemoMode.EXTRA_COMMAND, DemoMode.COMMAND_EXIT); |
| mContext.sendBroadcast(intent); |
| |
| for (String key : mTunableLookup.keySet()) { |
| Settings.Secure.putString(mContentResolver, key, null); |
| } |
| } |
| |
| public static final void showResetRequest(final Context context, final Runnable onDisabled) { |
| SystemUIDialog dialog = new SystemUIDialog(context); |
| dialog.setShowForAllUsers(true); |
| dialog.setMessage(R.string.remove_from_settings_prompt); |
| dialog.setButton(DialogInterface.BUTTON_NEGATIVE, context.getString(R.string.cancel), |
| (OnClickListener) null); |
| dialog.setButton(DialogInterface.BUTTON_POSITIVE, |
| context.getString(R.string.guest_exit_guest_dialog_remove), new OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| // Tell the tuner (in main SysUI process) to clear all its settings. |
| context.sendBroadcast(new Intent(TunerService.ACTION_CLEAR)); |
| // Disable access to tuner. |
| TunerService.setTunerEnabled(context, false); |
| // Make them sit through the warning dialog again. |
| Settings.Secure.putInt(context.getContentResolver(), |
| TunerFragment.SETTING_SEEN_TUNER_WARNING, 0); |
| if (onDisabled != null) { |
| onDisabled.run(); |
| } |
| } |
| }); |
| dialog.show(); |
| } |
| |
| public static final void setTunerEnabled(Context context, boolean enabled) { |
| userContext(context).getPackageManager().setComponentEnabledSetting( |
| new ComponentName(context, TunerActivity.class), |
| enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED |
| : PackageManager.COMPONENT_ENABLED_STATE_DISABLED, |
| PackageManager.DONT_KILL_APP); |
| |
| userContext(context).getPackageManager().setComponentEnabledSetting( |
| new ComponentName(context, TunerActivity.ACTIVITY_ALIAS_NAME), |
| enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED |
| : PackageManager.COMPONENT_ENABLED_STATE_DISABLED, |
| PackageManager.DONT_KILL_APP); |
| } |
| |
| public static final boolean isTunerEnabled(Context context) { |
| return userContext(context).getPackageManager().getComponentEnabledSetting( |
| new ComponentName(context, TunerActivity.class)) |
| == PackageManager.COMPONENT_ENABLED_STATE_ENABLED; |
| } |
| |
| private static Context userContext(Context context) { |
| try { |
| return context.createPackageContextAsUser(context.getPackageName(), 0, |
| new UserHandle(ActivityManager.getCurrentUser())); |
| } catch (NameNotFoundException e) { |
| return context; |
| } |
| } |
| |
| private class Observer extends ContentObserver { |
| public Observer() { |
| super(new Handler(Looper.getMainLooper())); |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri, int userId) { |
| if (userId == ActivityManager.getCurrentUser()) { |
| reloadSetting(uri); |
| } |
| } |
| } |
| |
| public interface Tunable { |
| void onTuningChanged(String key, String newValue); |
| } |
| |
| public static class ClearReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (ACTION_CLEAR.equals(intent.getAction())) { |
| Dependency.get(TunerService.class).clearAll(); |
| } |
| } |
| } |
| } |