Mehdi Alizadeh | f2b28e9 | 2019-12-05 20:13:49 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2020 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.internal.policy; |
| 18 | |
| 19 | import android.content.ContentResolver; |
| 20 | import android.content.Context; |
| 21 | import android.content.res.Resources; |
| 22 | import android.database.ContentObserver; |
| 23 | import android.os.Handler; |
| 24 | import android.os.UserHandle; |
| 25 | import android.provider.Settings; |
| 26 | |
| 27 | /** |
| 28 | * @hide |
| 29 | */ |
| 30 | public class GestureNavigationSettingsObserver extends ContentObserver { |
| 31 | private Context mContext; |
| 32 | private Runnable mOnChangeRunnable; |
| 33 | |
| 34 | public GestureNavigationSettingsObserver(Handler handler, Context context, |
| 35 | Runnable onChangeRunnable) { |
| 36 | super(handler); |
| 37 | mContext = context; |
| 38 | mOnChangeRunnable = onChangeRunnable; |
| 39 | } |
| 40 | |
| 41 | public void register() { |
| 42 | ContentResolver r = mContext.getContentResolver(); |
| 43 | r.registerContentObserver( |
| 44 | Settings.Secure.getUriFor(Settings.Secure.BACK_GESTURE_INSET_SCALE_LEFT), |
| 45 | false, this, UserHandle.USER_ALL); |
| 46 | r.registerContentObserver( |
| 47 | Settings.Secure.getUriFor(Settings.Secure.BACK_GESTURE_INSET_SCALE_RIGHT), |
| 48 | false, this, UserHandle.USER_ALL); |
| 49 | } |
| 50 | |
| 51 | public void unregister() { |
| 52 | mContext.getContentResolver().unregisterContentObserver(this); |
| 53 | } |
| 54 | |
| 55 | @Override |
| 56 | public void onChange(boolean selfChange) { |
| 57 | super.onChange(selfChange); |
| 58 | if (mOnChangeRunnable != null) { |
| 59 | mOnChangeRunnable.run(); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | public int getLeftSensitivity(Resources userRes) { |
| 64 | return getSensitivity(userRes, Settings.Secure.BACK_GESTURE_INSET_SCALE_LEFT); |
| 65 | } |
| 66 | |
| 67 | public int getRightSensitivity(Resources userRes) { |
| 68 | return getSensitivity(userRes, Settings.Secure.BACK_GESTURE_INSET_SCALE_RIGHT); |
| 69 | } |
| 70 | |
| 71 | private int getSensitivity(Resources userRes, String side) { |
| 72 | final int inset = userRes.getDimensionPixelSize( |
| 73 | com.android.internal.R.dimen.config_backGestureInset); |
| 74 | final float scale = Settings.Secure.getFloatForUser( |
| 75 | mContext.getContentResolver(), side, 1.0f, UserHandle.USER_CURRENT); |
| 76 | return (int) (inset * scale); |
| 77 | } |
| 78 | } |