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.text.TextUtils;
     29 
     30 import com.android.settings.R;
     31 import com.android.settings.Utils;
     32 
     33 public class DoubleTwistPreferenceController extends GesturePreferenceController {
     34 
     35     private final int ON = 1;
     36     private final int OFF = 0;
     37 
     38     private static final String PREF_KEY_VIDEO = "gesture_double_twist_video";
     39     private final String mDoubleTwistPrefKey;
     40     private final UserManager mUserManager;
     41 
     42     public DoubleTwistPreferenceController(Context context, String key) {
     43         super(context, key);
     44         mDoubleTwistPrefKey = key;
     45         mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
     46     }
     47 
     48     public static boolean isSuggestionComplete(Context context, SharedPreferences prefs) {
     49         return !isGestureAvailable(context)
     50                 || prefs.getBoolean(DoubleTwistGestureSettings.PREF_KEY_SUGGESTION_COMPLETE, false);
     51     }
     52 
     53     public static boolean isGestureAvailable(Context context) {
     54         final Resources resources = context.getResources();
     55         final String name = resources.getString(R.string.gesture_double_twist_sensor_name);
     56         final String vendor = resources.getString(R.string.gesture_double_twist_sensor_vendor);
     57         if (!TextUtils.isEmpty(name) && !TextUtils.isEmpty(vendor)) {
     58             final SensorManager sensorManager =
     59                     (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
     60             for (Sensor s : sensorManager.getSensorList(Sensor.TYPE_ALL)) {
     61                 if (name.equals(s.getName()) && vendor.equals(s.getVendor())) {
     62                     return true;
     63                 }
     64             }
     65         }
     66         return false;
     67     }
     68 
     69     @Override
     70     public int getAvailabilityStatus() {
     71         return isGestureAvailable(mContext) ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
     72     }
     73 
     74     @Override
     75     public boolean isSliceable() {
     76         return TextUtils.equals(getPreferenceKey(), "gesture_double_twist");
     77     }
     78 
     79     @Override
     80     protected String getVideoPrefKey() {
     81         return PREF_KEY_VIDEO;
     82     }
     83 
     84     @Override
     85     public String getPreferenceKey() {
     86         return mDoubleTwistPrefKey;
     87     }
     88 
     89     @Override
     90     public boolean setChecked(boolean isChecked) {
     91         setDoubleTwistPreference(mContext, mUserManager, isChecked ? ON : OFF);
     92         return true;
     93     }
     94 
     95     public static void setDoubleTwistPreference(Context context, UserManager userManager,
     96             int enabled) {
     97         Settings.Secure.putInt(context.getContentResolver(),
     98                 Settings.Secure.CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED, enabled);
     99         final int managedProfileUserId = getManagedProfileId(userManager);
    100         if (managedProfileUserId != UserHandle.USER_NULL) {
    101             Settings.Secure.putIntForUser(context.getContentResolver(),
    102                     Settings.Secure.CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED, enabled,
    103                     managedProfileUserId);
    104         }
    105     }
    106 
    107     @Override
    108     public boolean isChecked() {
    109         final int doubleTwistEnabled = Settings.Secure.getInt(mContext.getContentResolver(),
    110                 Settings.Secure.CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED, ON);
    111         return doubleTwistEnabled != 0;
    112     }
    113 
    114     @VisibleForTesting
    115     public static int getManagedProfileId(UserManager userManager) {
    116         return Utils.getManagedProfileId(userManager, UserHandle.myUserId());
    117     }
    118 }
    119