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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the
     10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     11  * KIND, either express or implied. See the License for the specific language governing
     12  * permissions and limitations under the License.
     13  */
     14 
     15 package com.android.systemui.qs.tiles;
     16 
     17 import android.content.DialogInterface;
     18 import android.content.Intent;
     19 import android.service.quicksettings.Tile;
     20 import android.widget.Switch;
     21 
     22 import com.android.internal.logging.MetricsLogger;
     23 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     24 import com.android.systemui.Dependency;
     25 import com.android.systemui.Prefs;
     26 import com.android.systemui.R;
     27 import com.android.systemui.qs.QSHost;
     28 import com.android.systemui.plugins.qs.QSTile.BooleanState;
     29 import com.android.systemui.qs.tileimpl.QSTileImpl;
     30 import com.android.systemui.statusbar.phone.SystemUIDialog;
     31 import com.android.systemui.statusbar.policy.DataSaverController;
     32 import com.android.systemui.statusbar.policy.NetworkController;
     33 
     34 public class DataSaverTile extends QSTileImpl<BooleanState> implements
     35         DataSaverController.Listener{
     36 
     37     private final DataSaverController mDataSaverController;
     38 
     39     public DataSaverTile(QSHost host) {
     40         super(host);
     41         mDataSaverController = Dependency.get(NetworkController.class).getDataSaverController();
     42     }
     43 
     44     @Override
     45     public BooleanState newTileState() {
     46         return new BooleanState();
     47     }
     48 
     49     @Override
     50     public void setListening(boolean listening) {
     51         if (listening) {
     52             mDataSaverController.addCallback(this);
     53         } else {
     54             mDataSaverController.removeCallback(this);
     55         }
     56     }
     57 
     58     @Override
     59     public Intent getLongClickIntent() {
     60         return CellularTile.CELLULAR_SETTINGS;
     61     }
     62 
     63     @Override
     64     protected void handleClick() {
     65         if (mState.value
     66                 || Prefs.getBoolean(mContext, Prefs.Key.QS_DATA_SAVER_DIALOG_SHOWN, false)) {
     67             // Do it right away.
     68             toggleDataSaver();
     69             return;
     70         }
     71         // Shows dialog first
     72         SystemUIDialog dialog = new SystemUIDialog(mContext);
     73         dialog.setTitle(com.android.internal.R.string.data_saver_enable_title);
     74         dialog.setMessage(com.android.internal.R.string.data_saver_description);
     75         dialog.setPositiveButton(com.android.internal.R.string.data_saver_enable_button,
     76                 new DialogInterface.OnClickListener() {
     77                     @Override
     78                     public void onClick(DialogInterface dialog, int which) {
     79                         toggleDataSaver();
     80                     }
     81                 });
     82         dialog.setNegativeButton(com.android.internal.R.string.cancel, null);
     83         dialog.setShowForAllUsers(true);
     84         dialog.show();
     85         Prefs.putBoolean(mContext, Prefs.Key.QS_DATA_SAVER_DIALOG_SHOWN, true);
     86     }
     87 
     88     private void toggleDataSaver() {
     89         mState.value = !mDataSaverController.isDataSaverEnabled();
     90         mDataSaverController.setDataSaverEnabled(mState.value);
     91         refreshState(mState.value);
     92     }
     93 
     94     @Override
     95     public CharSequence getTileLabel() {
     96         return mContext.getString(R.string.data_saver);
     97     }
     98 
     99     @Override
    100     protected void handleUpdateState(BooleanState state, Object arg) {
    101         state.value = arg instanceof Boolean ? (Boolean) arg
    102                 : mDataSaverController.isDataSaverEnabled();
    103         state.state = state.value ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE;
    104         state.label = mContext.getString(R.string.data_saver);
    105         state.contentDescription = state.label;
    106         state.icon = ResourceIcon.get(state.value ? R.drawable.ic_data_saver
    107                 : R.drawable.ic_data_saver_off);
    108         state.expandedAccessibilityClassName = Switch.class.getName();
    109     }
    110 
    111     @Override
    112     public int getMetricsCategory() {
    113         return MetricsEvent.QS_DATA_SAVER;
    114     }
    115 
    116     @Override
    117     protected String composeChangeAnnouncement() {
    118         if (mState.value) {
    119             return mContext.getString(R.string.accessibility_quick_settings_data_saver_changed_on);
    120         } else {
    121             return mContext.getString(R.string.accessibility_quick_settings_data_saver_changed_off);
    122         }
    123     }
    124 
    125     @Override
    126     public void onDataSaverChanged(boolean isDataSaving) {
    127         refreshState(isDataSaving);
    128     }
    129 }