1/*
2 * Copyright (C) 2015 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 */
16package com.android.systemui.tuner;
17
18import static com.android.systemui.BatteryMeterView.SHOW_PERCENT_SETTING;
19
20import android.app.AlertDialog;
21import android.app.FragmentTransaction;
22import android.content.DialogInterface;
23import android.content.DialogInterface.OnClickListener;
24import android.database.ContentObserver;
25import android.net.Uri;
26import android.os.Bundle;
27import android.os.Handler;
28import android.preference.Preference;
29import android.preference.Preference.OnPreferenceChangeListener;
30import android.preference.Preference.OnPreferenceClickListener;
31import android.preference.PreferenceFragment;
32import android.preference.PreferenceGroup;
33import android.preference.SwitchPreference;
34import android.provider.Settings;
35import android.provider.Settings.System;
36import android.view.Menu;
37import android.view.MenuInflater;
38import android.view.MenuItem;
39
40import com.android.internal.logging.MetricsLogger;
41import com.android.systemui.R;
42import com.android.systemui.statusbar.phone.StatusBarIconController;
43import com.android.systemui.tuner.TunerService.Tunable;
44
45public class TunerFragment extends PreferenceFragment {
46
47    private static final String TAG = "TunerFragment";
48
49    private static final String KEY_QS_TUNER = "qs_tuner";
50    private static final String KEY_DEMO_MODE = "demo_mode";
51    private static final String KEY_BATTERY_PCT = "battery_pct";
52
53    public static final String SETTING_SEEN_TUNER_WARNING = "seen_tuner_warning";
54
55    private static final int MENU_REMOVE = Menu.FIRST + 1;
56
57    private final SettingObserver mSettingObserver = new SettingObserver();
58
59    private SwitchPreference mBatteryPct;
60
61    public void onCreate(Bundle savedInstanceState) {
62        super.onCreate(savedInstanceState);
63
64        addPreferencesFromResource(R.xml.tuner_prefs);
65        getActivity().getActionBar().setDisplayHomeAsUpEnabled(true);
66        setHasOptionsMenu(true);
67
68        findPreference(KEY_QS_TUNER).setOnPreferenceClickListener(new OnPreferenceClickListener() {
69            @Override
70            public boolean onPreferenceClick(Preference preference) {
71                FragmentTransaction ft = getFragmentManager().beginTransaction();
72                ft.replace(android.R.id.content, new QsTuner(), "QsTuner");
73                ft.addToBackStack(null);
74                ft.commit();
75                return true;
76            }
77        });
78        findPreference(KEY_DEMO_MODE).setOnPreferenceClickListener(new OnPreferenceClickListener() {
79            @Override
80            public boolean onPreferenceClick(Preference preference) {
81                FragmentTransaction ft = getFragmentManager().beginTransaction();
82                ft.replace(android.R.id.content, new DemoModeFragment(), "DemoMode");
83                ft.addToBackStack(null);
84                ft.commit();
85                return true;
86            }
87        });
88        mBatteryPct = (SwitchPreference) findPreference(KEY_BATTERY_PCT);
89        if (Settings.Secure.getInt(getContext().getContentResolver(), SETTING_SEEN_TUNER_WARNING,
90                0) == 0) {
91            new AlertDialog.Builder(getContext())
92                    .setTitle(R.string.tuner_warning_title)
93                    .setMessage(R.string.tuner_warning)
94                    .setPositiveButton(R.string.got_it, new OnClickListener() {
95                        @Override
96                        public void onClick(DialogInterface dialog, int which) {
97                            Settings.Secure.putInt(getContext().getContentResolver(),
98                                    SETTING_SEEN_TUNER_WARNING, 1);
99                        }
100                    }).show();
101        }
102    }
103
104    @Override
105    public void onResume() {
106        super.onResume();
107        updateBatteryPct();
108        getContext().getContentResolver().registerContentObserver(
109                System.getUriFor(SHOW_PERCENT_SETTING), false, mSettingObserver);
110
111        registerPrefs(getPreferenceScreen());
112        MetricsLogger.visibility(getContext(), MetricsLogger.TUNER, true);
113    }
114
115    @Override
116    public void onPause() {
117        super.onPause();
118        getContext().getContentResolver().unregisterContentObserver(mSettingObserver);
119
120        unregisterPrefs(getPreferenceScreen());
121        MetricsLogger.visibility(getContext(), MetricsLogger.TUNER, false);
122    }
123
124    private void registerPrefs(PreferenceGroup group) {
125        TunerService tunerService = TunerService.get(getContext());
126        final int N = group.getPreferenceCount();
127        for (int i = 0; i < N; i++) {
128            Preference pref = group.getPreference(i);
129            if (pref instanceof StatusBarSwitch) {
130                tunerService.addTunable((Tunable) pref, StatusBarIconController.ICON_BLACKLIST);
131            } else if (pref instanceof PreferenceGroup) {
132                registerPrefs((PreferenceGroup) pref);
133            }
134        }
135    }
136
137    private void unregisterPrefs(PreferenceGroup group) {
138        TunerService tunerService = TunerService.get(getContext());
139        final int N = group.getPreferenceCount();
140        for (int i = 0; i < N; i++) {
141            Preference pref = group.getPreference(i);
142            if (pref instanceof Tunable) {
143                tunerService.removeTunable((Tunable) pref);
144            } else if (pref instanceof PreferenceGroup) {
145                registerPrefs((PreferenceGroup) pref);
146            }
147        }
148    }
149
150    @Override
151    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
152        menu.add(Menu.NONE, MENU_REMOVE, Menu.NONE, R.string.remove_from_settings);
153    }
154
155    @Override
156    public boolean onOptionsItemSelected(MenuItem item) {
157        switch (item.getItemId()) {
158            case android.R.id.home:
159                getActivity().finish();
160                return true;
161            case MENU_REMOVE:
162                TunerService.showResetRequest(getContext(), new Runnable() {
163                    @Override
164                    public void run() {
165                        getActivity().finish();
166                    }
167                });
168                return true;
169        }
170        return super.onOptionsItemSelected(item);
171    }
172
173    private void updateBatteryPct() {
174        mBatteryPct.setOnPreferenceChangeListener(null);
175        mBatteryPct.setChecked(System.getInt(getContext().getContentResolver(),
176                SHOW_PERCENT_SETTING, 0) != 0);
177        mBatteryPct.setOnPreferenceChangeListener(mBatteryPctChange);
178    }
179
180    private final class SettingObserver extends ContentObserver {
181        public SettingObserver() {
182            super(new Handler());
183        }
184
185        @Override
186        public void onChange(boolean selfChange, Uri uri, int userId) {
187            super.onChange(selfChange, uri, userId);
188            updateBatteryPct();
189        }
190    }
191
192    private final OnPreferenceChangeListener mBatteryPctChange = new OnPreferenceChangeListener() {
193        @Override
194        public boolean onPreferenceChange(Preference preference, Object newValue) {
195            final boolean v = (Boolean) newValue;
196            MetricsLogger.action(getContext(), MetricsLogger.TUNER_BATTERY_PERCENTAGE, v);
197            System.putInt(getContext().getContentResolver(), SHOW_PERCENT_SETTING, v ? 1 : 0);
198            return true;
199        }
200    };
201}
202