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.res.Resources; 21 import android.hardware.Sensor; 22 import android.hardware.SensorManager; 23 import android.os.UserHandle; 24 import android.os.UserManager; 25 import android.provider.Settings; 26 import android.support.annotation.VisibleForTesting; 27 import android.support.v7.preference.Preference; 28 import android.text.TextUtils; 29 30 import com.android.settings.R; 31 import com.android.settings.Utils; 32 import com.android.settings.core.lifecycle.Lifecycle; 33 34 public class DoubleTwistPreferenceController extends GesturePreferenceController { 35 36 private static final String PREF_KEY_VIDEO = "gesture_double_twist_video"; 37 private final String mDoubleTwistPrefKey; 38 private final UserManager mUserManager; 39 DoubleTwistPreferenceController(Context context, Lifecycle lifecycle, String key)40 public DoubleTwistPreferenceController(Context context, Lifecycle lifecycle, String key) { 41 super(context, lifecycle); 42 mDoubleTwistPrefKey = key; 43 mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); 44 } 45 46 @Override isAvailable()47 public boolean isAvailable() { 48 return hasSensor(R.string.gesture_double_twist_sensor_name, 49 R.string.gesture_double_twist_sensor_vendor); 50 } 51 52 @Override getVideoPrefKey()53 protected String getVideoPrefKey() { 54 return PREF_KEY_VIDEO; 55 } 56 57 @Override getPreferenceKey()58 public String getPreferenceKey() { 59 return mDoubleTwistPrefKey; 60 } 61 62 @Override onPreferenceChange(Preference preference, Object newValue)63 public boolean onPreferenceChange(Preference preference, Object newValue) { 64 final int enabled = (boolean) newValue ? 1 : 0; 65 Settings.Secure.putInt(mContext.getContentResolver(), 66 Settings.Secure.CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED, enabled); 67 final int managedProfileUserId = getManagedProfileUserId(); 68 if (managedProfileUserId != UserHandle.USER_NULL) { 69 Settings.Secure.putIntForUser(mContext.getContentResolver(), 70 Settings.Secure.CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED, enabled, managedProfileUserId); 71 } 72 return true; 73 } 74 75 @Override isSwitchPrefEnabled()76 protected boolean isSwitchPrefEnabled() { 77 final int doubleTwistEnabled = Settings.Secure.getInt(mContext.getContentResolver(), 78 Settings.Secure.CAMERA_DOUBLE_TWIST_TO_FLIP_ENABLED, 1); 79 return doubleTwistEnabled != 0; 80 } 81 82 @VisibleForTesting getManagedProfileUserId()83 int getManagedProfileUserId() { 84 return Utils.getManagedProfileId(mUserManager, UserHandle.myUserId()); 85 } 86 hasSensor(int nameResId, int vendorResId)87 private boolean hasSensor(int nameResId, int vendorResId) { 88 final Resources resources = mContext.getResources(); 89 final String name = resources.getString(nameResId); 90 final String vendor = resources.getString(vendorResId); 91 if (!TextUtils.isEmpty(name) && !TextUtils.isEmpty(vendor)) { 92 final SensorManager sensorManager = 93 (SensorManager) mContext.getSystemService(Context.SENSOR_SERVICE); 94 for (Sensor s : sensorManager.getSensorList(Sensor.TYPE_ALL)) { 95 if (name.equals(s.getName()) && vendor.equals(s.getVendor())) { 96 return true; 97 } 98 } 99 } 100 return false; 101 } 102 } 103