1 /*
2  * Copyright (C) 2019 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.development;
18 
19 import android.content.Context;
20 import android.os.Build;
21 import android.os.UserManager;
22 import android.provider.Settings;
23 
24 import androidx.preference.Preference;
25 import androidx.preference.SwitchPreference;
26 
27 import com.android.settings.core.PreferenceControllerMixin;
28 import com.android.settingslib.development.DeveloperOptionsPreferenceController;
29 
30 public class AutomaticSystemServerHeapDumpPreferenceController extends
31         DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
32         PreferenceControllerMixin {
33 
34     private static final String KEY_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS =
35             "automatic_system_server_heap_dumps";
36 
37     private static final int SETTING_VALUE_OFF = 0;
38     private static final int SETTING_VALUE_ON = 1;
39 
40     private final UserManager mUserManager;
41     private final boolean mIsConfigEnabled;
42 
AutomaticSystemServerHeapDumpPreferenceController(Context context)43     public AutomaticSystemServerHeapDumpPreferenceController(Context context) {
44         super(context);
45         mIsConfigEnabled = context.getResources().getBoolean(
46                 com.android.internal.R.bool.config_debugEnableAutomaticSystemServerHeapDumps);
47         mUserManager = context.getSystemService(UserManager.class);
48     }
49 
50     @Override
isAvailable()51     public boolean isAvailable() {
52         return Build.IS_DEBUGGABLE && mIsConfigEnabled
53                 && !mUserManager.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES);
54     }
55 
56     @Override
getPreferenceKey()57     public String getPreferenceKey() {
58         return KEY_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS;
59     }
60 
61     @Override
onPreferenceChange(Preference preference, Object newValue)62     public boolean onPreferenceChange(Preference preference, Object newValue) {
63         final boolean isEnabled = (Boolean) newValue;
64         Settings.Secure.putInt(mContext.getContentResolver(),
65                 Settings.Global.ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS,
66                 isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF);
67         return true;
68     }
69 
70     @Override
updateState(Preference preference)71     public void updateState(Preference preference) {
72         final int mode = Settings.Secure.getInt(mContext.getContentResolver(),
73                 Settings.Global.ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS, SETTING_VALUE_ON);
74         ((SwitchPreference) mPreference).setChecked(mode != SETTING_VALUE_OFF);
75     }
76 
77     @Override
onDeveloperOptionsSwitchDisabled()78     protected void onDeveloperOptionsSwitchDisabled() {
79         super.onDeveloperOptionsSwitchDisabled();
80         Settings.Secure.putInt(mContext.getContentResolver(),
81                 Settings.Global.ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS, SETTING_VALUE_OFF);
82         ((SwitchPreference) mPreference).setChecked(false);
83     }
84 }
85