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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");
      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.systemui.qs.tiles;
     18 
     19 import android.app.ActivityManager;
     20 import android.content.Intent;
     21 import android.provider.Settings;
     22 import android.service.quicksettings.Tile;
     23 import android.widget.Switch;
     24 
     25 import com.android.internal.app.NightDisplayController;
     26 import com.android.internal.logging.MetricsLogger;
     27 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     28 import com.android.systemui.R;
     29 import com.android.systemui.qs.QSHost;
     30 import com.android.systemui.plugins.qs.QSTile.BooleanState;
     31 import com.android.systemui.qs.tileimpl.QSTileImpl;
     32 
     33 public class NightDisplayTile extends QSTileImpl<BooleanState>
     34         implements NightDisplayController.Callback {
     35 
     36     private NightDisplayController mController;
     37     private boolean mIsListening;
     38 
     39     public NightDisplayTile(QSHost host) {
     40         super(host);
     41         mController = new NightDisplayController(mContext, ActivityManager.getCurrentUser());
     42     }
     43 
     44     @Override
     45     public boolean isAvailable() {
     46         return NightDisplayController.isAvailable(mContext);
     47     }
     48 
     49     @Override
     50     public BooleanState newTileState() {
     51         return new BooleanState();
     52     }
     53 
     54     @Override
     55     protected void handleClick() {
     56         final boolean activated = !mState.value;
     57         mController.setActivated(activated);
     58     }
     59 
     60     @Override
     61     protected void handleUserSwitch(int newUserId) {
     62         // Stop listening to the old controller.
     63         if (mIsListening) {
     64             mController.setListener(null);
     65         }
     66 
     67         // Make a new controller for the new user.
     68         mController = new NightDisplayController(mContext, newUserId);
     69         if (mIsListening) {
     70             mController.setListener(this);
     71         }
     72 
     73         super.handleUserSwitch(newUserId);
     74     }
     75 
     76     @Override
     77     protected void handleUpdateState(BooleanState state, Object arg) {
     78         final boolean isActivated = mController.isActivated();
     79         state.value = isActivated;
     80         state.label = state.contentDescription =
     81                 mContext.getString(R.string.quick_settings_night_display_label);
     82         state.icon = ResourceIcon.get(R.drawable.ic_qs_night_display_on);
     83         state.expandedAccessibilityClassName = Switch.class.getName();
     84         state.state = state.value ? Tile.STATE_ACTIVE : Tile.STATE_INACTIVE;
     85     }
     86 
     87     @Override
     88     public int getMetricsCategory() {
     89         return MetricsEvent.QS_NIGHT_DISPLAY;
     90     }
     91 
     92     @Override
     93     public Intent getLongClickIntent() {
     94         return new Intent(Settings.ACTION_NIGHT_DISPLAY_SETTINGS);
     95     }
     96 
     97     @Override
     98     protected void handleSetListening(boolean listening) {
     99         mIsListening = listening;
    100         if (listening) {
    101             mController.setListener(this);
    102             refreshState();
    103         } else {
    104             mController.setListener(null);
    105         }
    106     }
    107 
    108     @Override
    109     public CharSequence getTileLabel() {
    110         return mContext.getString(R.string.quick_settings_night_display_label);
    111     }
    112 
    113     @Override
    114     public void onActivated(boolean activated) {
    115         refreshState();
    116     }
    117 }
    118