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      1 /*
      2  * Copyright (C) 2014 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.content.BroadcastReceiver;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 
     23 import com.android.internal.logging.MetricsLogger;
     24 import com.android.systemui.Prefs;
     25 import com.android.systemui.R;
     26 import com.android.systemui.qs.QSTile;
     27 import com.android.systemui.qs.UsageTracker;
     28 import com.android.systemui.statusbar.policy.HotspotController;
     29 
     30 /** Quick settings tile: Hotspot **/
     31 public class HotspotTile extends QSTile<QSTile.BooleanState> {
     32     private final AnimationIcon mEnable =
     33             new AnimationIcon(R.drawable.ic_hotspot_enable_animation);
     34     private final AnimationIcon mDisable =
     35             new AnimationIcon(R.drawable.ic_hotspot_disable_animation);
     36     private final HotspotController mController;
     37     private final Callback mCallback = new Callback();
     38     private final UsageTracker mUsageTracker;
     39 
     40     public HotspotTile(Host host) {
     41         super(host);
     42         mController = host.getHotspotController();
     43         mUsageTracker = newUsageTracker(host.getContext());
     44         mUsageTracker.setListening(true);
     45     }
     46 
     47     @Override
     48     protected void handleDestroy() {
     49         super.handleDestroy();
     50         mUsageTracker.setListening(false);
     51     }
     52 
     53     @Override
     54     protected BooleanState newTileState() {
     55         return new BooleanState();
     56     }
     57 
     58     @Override
     59     public void setListening(boolean listening) {
     60         if (listening) {
     61             mController.addCallback(mCallback);
     62         } else {
     63             mController.removeCallback(mCallback);
     64         }
     65     }
     66 
     67     @Override
     68     protected void handleClick() {
     69         final boolean isEnabled = (Boolean) mState.value;
     70         MetricsLogger.action(mContext, getMetricsCategory(), !isEnabled);
     71         mController.setHotspotEnabled(!isEnabled);
     72         mEnable.setAllowAnimation(true);
     73         mDisable.setAllowAnimation(true);
     74     }
     75 
     76     @Override
     77     protected void handleLongClick() {
     78         if (mState.value) return;  // don't allow usage reset if hotspot is active
     79         final String title = mContext.getString(R.string.quick_settings_reset_confirmation_title,
     80                 mState.label);
     81         mUsageTracker.showResetConfirmation(title, new Runnable() {
     82             @Override
     83             public void run() {
     84                 refreshState();
     85             }
     86         });
     87     }
     88 
     89     @Override
     90     protected void handleUpdateState(BooleanState state, Object arg) {
     91         state.visible = mController.isHotspotSupported() && mUsageTracker.isRecentlyUsed();
     92         state.label = mContext.getString(R.string.quick_settings_hotspot_label);
     93 
     94         if (arg instanceof Boolean) {
     95             state.value = (boolean) arg;
     96         } else {
     97             state.value = mController.isHotspotEnabled();
     98         }
     99         state.icon = state.visible && state.value ? mEnable : mDisable;
    100     }
    101 
    102     @Override
    103     public int getMetricsCategory() {
    104         return MetricsLogger.QS_HOTSPOT;
    105     }
    106 
    107     @Override
    108     protected String composeChangeAnnouncement() {
    109         if (mState.value) {
    110             return mContext.getString(R.string.accessibility_quick_settings_hotspot_changed_on);
    111         } else {
    112             return mContext.getString(R.string.accessibility_quick_settings_hotspot_changed_off);
    113         }
    114     }
    115 
    116     private static UsageTracker newUsageTracker(Context context) {
    117         return new UsageTracker(context, Prefs.Key.HOTSPOT_TILE_LAST_USED, HotspotTile.class,
    118                 R.integer.days_to_show_hotspot_tile);
    119     }
    120 
    121     private final class Callback implements HotspotController.Callback {
    122         @Override
    123         public void onHotspotChanged(boolean enabled) {
    124             refreshState(enabled);
    125         }
    126     };
    127 
    128     /**
    129      * This will catch broadcasts for changes in hotspot state so we can show
    130      * the hotspot tile for a number of days after use.
    131      */
    132     public static class APChangedReceiver extends BroadcastReceiver {
    133         private UsageTracker mUsageTracker;
    134 
    135         @Override
    136         public void onReceive(Context context, Intent intent) {
    137             if (mUsageTracker == null) {
    138                 mUsageTracker = newUsageTracker(context);
    139             }
    140             mUsageTracker.trackUsage();
    141         }
    142     }
    143 }
    144