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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.OnClickListener;
     18 import android.content.Intent;
     19 import android.service.quicksettings.Tile;
     20 import android.widget.Switch;
     21 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     22 import com.android.systemui.Dependency;
     23 import com.android.systemui.Prefs;
     24 import com.android.systemui.R;
     25 import com.android.systemui.plugins.qs.QSTile.BooleanState;
     26 import com.android.systemui.qs.QSHost;
     27 import com.android.systemui.qs.tileimpl.QSTileImpl;
     28 import com.android.systemui.statusbar.phone.SystemUIDialog;
     29 import com.android.systemui.statusbar.policy.DataSaverController;
     30 import com.android.systemui.statusbar.policy.NetworkController;
     31 
     32 public class DataSaverTile extends QSTileImpl<BooleanState> implements
     33         DataSaverController.Listener{
     34 
     35     private final DataSaverController mDataSaverController;
     36 
     37     public DataSaverTile(QSHost host) {
     38         super(host);
     39         mDataSaverController = Dependency.get(NetworkController.class).getDataSaverController();
     40     }
     41 
     42     @Override
     43     public BooleanState newTileState() {
     44         return new BooleanState();
     45     }
     46 
     47     @Override
     48     public void handleSetListening(boolean listening) {
     49         if (listening) {
     50             mDataSaverController.addCallback(this);
     51         } else {
     52             mDataSaverController.removeCallback(this);
     53         }
     54     }
     55 
     56     @Override
     57     public Intent getLongClickIntent() {
     58         return CellularTile.getCellularSettingIntent();
     59     }
     60     @Override
     61     protected void handleClick() {
     62         if (mState.value
     63                 || Prefs.getBoolean(mContext, Prefs.Key.QS_DATA_SAVER_DIALOG_SHOWN, false)) {
     64             // Do it right away.
     65             toggleDataSaver();
     66             return;
     67         }
     68         // Shows dialog first
     69         SystemUIDialog dialog = new SystemUIDialog(mContext);
     70         dialog.setTitle(com.android.internal.R.string.data_saver_enable_title);
     71         dialog.setMessage(com.android.internal.R.string.data_saver_description);
     72         dialog.setPositiveButton(com.android.internal.R.string.data_saver_enable_button,
     73                 (OnClickListener) (dialogInterface, which) -> toggleDataSaver());
     74         dialog.setNegativeButton(com.android.internal.R.string.cancel, null);
     75         dialog.setShowForAllUsers(true);
     76         dialog.show();
     77         Prefs.putBoolean(mContext, Prefs.Key.QS_DATA_SAVER_DIALOG_SHOWN, true);
     78     }
     79 
     80     private void toggleDataSaver() {
     81         mState.value = !mDataSaverController.isDataSaverEnabled();
     82         mDataSaverController.setDataSaverEnabled(mState.value);
     83         refreshState(mState.value);
     84     }
     85 
     86     @Override
     87     public CharSequence getTileLabel() {
     88         return mContext.getString(R.string.data_saver);
     89     }
     90 
     91     @Override
     92     protected void handleUpdateState(BooleanState state, Object arg) {
     93         state.value = arg instanceof Boolean ? (Boolean) arg
     94                 : mDataSaverController.isDataSaverEnabled();
     95         state.state = state.value ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE;
     96         state.label = mContext.getString(R.string.data_saver);
     97         state.contentDescription = state.label;
     98         state.icon = ResourceIcon.get(state.value ? R.drawable.ic_data_saver
     99                 : R.drawable.ic_data_saver_off);
    100         state.expandedAccessibilityClassName = Switch.class.getName();
    101     }
    102 
    103     @Override
    104     public int getMetricsCategory() {
    105         return MetricsEvent.QS_DATA_SAVER;
    106     }
    107 
    108     @Override
    109     protected String composeChangeAnnouncement() {
    110         if (mState.value) {
    111             return mContext.getString(R.string.accessibility_quick_settings_data_saver_changed_on);
    112         } else {
    113             return mContext.getString(R.string.accessibility_quick_settings_data_saver_changed_off);
    114         }
    115     }
    116 
    117     @Override
    118     public void onDataSaverChanged(boolean isDataSaving) {
    119         refreshState(isDataSaving);
    120     }
    121 }
    122