Home | History | Annotate | Download | only in gestures 
      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.settings.gestures;
     18 
     19 import android.content.Context;
     20 import android.content.SharedPreferences;
     21 import android.content.res.Resources;
     22 import android.hardware.Sensor;
     23 import android.hardware.SensorManager;
     24 import android.os.UserHandle;
     25 import android.os.UserManager;
     26 import android.provider.Settings;
     27 import android.support.annotation.VisibleForTesting;
     28 import android.support.v7.preference.Preference;
     29 import android.text.TextUtils;
     30 
     31 import com.android.settings.R;
     32 import com.android.settings.Utils;
     33 import com.android.settingslib.core.lifecycle.Lifecycle;
     34 
     35 public class DoubleTwistPreferenceController extends GesturePreferenceController {
     36 
     37     private final int ON = 1;
     38     private final int OFF = 0;
     39 
     40     private static final String PREF_KEY_VIDEO = "gesture_double_twist_video";
     41     private final String mDoubleTwistPrefKey;
     42     private final UserManager mUserManager;
     43 
     44     public DoubleTwistPreferenceController(Context context, Lifecycle lifecycle, String key) {
     45         super(context, lifecycle);
     46         mDoubleTwistPrefKey = key;
     47         mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
     48     }
     49 
     50     public static boolean isSuggestionComplete(Context context, SharedPreferences prefs) {
     51         return !isGestureAvailable(context)
     52                 || prefs.getBoolean(DoubleTwistGestureSettings.PREF_KEY_SUGGESTION_COMPLETE, false);
     53     }
     54 
     55     public static boolean isGestureAvailable(Context context) {
     56         final Resources resources = context.getResources();
     57         final String name = resources.getString(R.string.gesture_double_twist_sensor_name);
     58         final String vendor = resources.getString(R.string.gesture_double_twist_sensor_vendor);
     59         if (!TextUtils.isEmpty(name) && !TextUtils.isEmpty(vendor)) {
     60             final SensorManager sensorManager =
     61                     (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
     62             for (Sensor s : sensorManager.getSensorList(Sensor.TYPE_ALL)) {
     63                 if (name.equals(s.getName()) && vendor.equals(s.getVendor())) {
     64                     return true;
     65                 }
     66             }
     67         }
     68         return false;
     69     }
     70 
     71     @Override
     72     public boolean isAvailable() {
     73         return isGestureAvailable(mContext);
     74     }
     75 
     76     @Override
     77     protected String getVideoPrefKey() {
     78         return PREF_KEY_VIDEO;
     79     }
     80 
     81     @Override
     82     public String getPreferenceKey() {
     83         return mDoubleTwistPrefKey;
     84     }
     85 
     86     @Override
     87     public boolean onPreferenceChange(Preference preference, Object newValue) {
     88         final int enabled = (boolean) newValue ? ON : OFF;
     89         setDoubleTwistPreference(mContext, mUserManager, enabled);
     90         return true;
     91     }
     92 
     93     public static void setDoubleTwistPreference(Context context, UserManager userManager,
     94             int enabled) {
     95         Settings.Secure.putInt(context.getContentResolver(),
     96                 Settings.Secure.CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED, enabled);
     97         final int managedProfileUserId = getManagedProfileId(userManager);
     98         if (managedProfileUserId != UserHandle.USER_NULL) {
     99             Settings.Secure.putIntForUser(context.getContentResolver(),
    100                 Settings.Secure.CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED, enabled, managedProfileUserId);
    101         }
    102     }
    103 
    104     @Override
    105     protected boolean isSwitchPrefEnabled() {
    106         final int doubleTwistEnabled = Settings.Secure.getInt(mContext.getContentResolver(),
    107                 Settings.Secure.CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED, ON);
    108         return doubleTwistEnabled != 0;
    109     }
    110 
    111     @VisibleForTesting
    112     public static int getManagedProfileId(UserManager userManager) {
    113         return Utils.getManagedProfileId(userManager, UserHandle.myUserId());
    114     }
    115 }
    116