1 /*
2  * Copyright (C) 2023 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.tv.settings.device.eco;
18 
19 import static com.android.tv.settings.device.eco.EnergyModesHelper.isLowPowerStandbySupported;
20 
21 import android.content.Context;
22 import android.content.Intent;
23 import android.os.Bundle;
24 import android.os.PowerManager;
25 import android.text.TextUtils;
26 
27 import androidx.annotation.Keep;
28 import androidx.preference.Preference;
29 import androidx.preference.TwoStatePreference;
30 
31 import com.android.tv.settings.R;
32 import com.android.tv.settings.SettingsPreferenceFragment;
33 import com.android.tv.settings.customization.CustomizationConstants;
34 import com.android.tv.settings.customization.Partner;
35 import com.android.tv.settings.customization.PartnerPreferencesMerger;
36 import com.android.tv.settings.device.LimitNetworkInStandbyConfirmationDialogActivity;
37 import com.android.tv.settings.library.util.SliceUtils;
38 import com.android.tv.twopanelsettings.slices.SlicePreference;
39 
40 /** Power and energy settings. */
41 @Keep
42 public class PowerAndEnergyFragment extends SettingsPreferenceFragment {
43     private static final String KEY_LIMIT_NETWORK = "limit_network_in_standby";
44     private static final String KEY_ENERGY_MODES = "energy_modes";
45 
46     @Override
onCreatePreferences(Bundle bundle, String s)47     public void onCreatePreferences(Bundle bundle, String s) {
48         setPreferencesFromResource(R.xml.power_and_energy, null);
49 
50         updateLowPowerStandbyPreferences();
51         updatePowerOnBehaviourPreference();
52 
53         if (Partner.getInstance(getContext()).isCustomizationPackageProvided()) {
54             PartnerPreferencesMerger.mergePreferences(
55                     getContext(),
56                     getPreferenceScreen(),
57                     CustomizationConstants.POWER_AND_ENERGY_SCREEN
58             );
59         }
60     }
61 
updateLowPowerStandbyPreferences()62     private void updateLowPowerStandbyPreferences() {
63         final Context context = getContext();
64         final Preference limitNetworkPreference = findPreference(KEY_LIMIT_NETWORK);
65         final Preference energyModesPreference = findPreference(KEY_ENERGY_MODES);
66 
67         final EnergyModesHelper energyModesHelper = new EnergyModesHelper(context);
68         final boolean lowPowerStandbySupported = isLowPowerStandbySupported(context);
69         final boolean enableEnergyModes = energyModesHelper.areEnergyModesAvailable();
70 
71         if (limitNetworkPreference != null) {
72             limitNetworkPreference.setVisible(lowPowerStandbySupported && !enableEnergyModes);
73         }
74         if (energyModesPreference != null) {
75             energyModesPreference.setVisible(lowPowerStandbySupported && enableEnergyModes);
76         }
77 
78         if (limitNetworkPreference != null && limitNetworkPreference.isVisible()) {
79             final PowerManager powerManager = context.getSystemService(PowerManager.class);
80             final boolean lowPowerStandbyEnabled = powerManager.isLowPowerStandbyEnabled();
81             ((TwoStatePreference) limitNetworkPreference).setChecked(lowPowerStandbyEnabled);
82         }
83     }
84 
updatePowerOnBehaviourPreference()85     private void updatePowerOnBehaviourPreference() {
86         final Preference powerOnBehaviorPreference = findPreference("power_on_behavior");
87         if (powerOnBehaviorPreference != null && SliceUtils.isSliceProviderValid(
88                 getContext(), ((SlicePreference) powerOnBehaviorPreference).getUri())) {
89             powerOnBehaviorPreference.setVisible(true);
90         }
91     }
92 
93     @Override
onResume()94     public void onResume() {
95         super.onResume();
96         updateLowPowerStandbyPreferences();
97     }
98 
99     @Override
onPreferenceTreeClick(Preference preference)100     public boolean onPreferenceTreeClick(Preference preference) {
101         final String key = preference.getKey();
102         switch (key) {
103             case KEY_LIMIT_NETWORK:
104                 if (!((TwoStatePreference) preference).isChecked()) {
105                     // Confirmation dialog for disabling Low Power Standby
106                     Intent intent = new Intent(getContext(),
107                             LimitNetworkInStandbyConfirmationDialogActivity.class);
108                     getContext().startActivity(intent);
109                 } else {
110                     // Enable Low Power Standby
111                     PowerManager powerManager = getContext().getSystemService(PowerManager.class);
112                     powerManager.setLowPowerStandbyEnabled(true);
113                 }
114                 break;
115         }
116         return super.onPreferenceTreeClick(preference);
117     }
118 
119     /** Returns whether this fragment will only present the EnergySaver preference */
hasOnlyEnergySaverPreference(Context context)120     public static boolean hasOnlyEnergySaverPreference(Context context) {
121         if (isLowPowerStandbySupported(context)) {
122             // Has "Limit Network in Standby" / Energy Modes preference
123             return false;
124         }
125 
126         if (!TextUtils.isEmpty(context.getString(R.string.power_boot_resume_slice_uri))) {
127             // Has "Power On Behaviour" preference
128             return false;
129         }
130 
131         return true;
132     }
133 }
134