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
17package com.android.settings.gestures;
18
19import android.content.Context;
20import android.content.SharedPreferences;
21import android.content.res.Resources;
22import android.hardware.Sensor;
23import android.hardware.SensorManager;
24import android.os.UserHandle;
25import android.os.UserManager;
26import android.provider.Settings;
27import android.support.annotation.VisibleForTesting;
28import android.support.v7.preference.Preference;
29import android.text.TextUtils;
30
31import com.android.settings.R;
32import com.android.settings.Utils;
33import com.android.settingslib.core.lifecycle.Lifecycle;
34
35public 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