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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.systemui.R;
     24 import com.android.systemui.qs.UsageTracker;
     25 import com.android.systemui.qs.QSTile;
     26 import com.android.systemui.statusbar.policy.HotspotController;
     27 import com.android.systemui.statusbar.policy.KeyguardMonitor;
     28 
     29 /** Quick settings tile: Hotspot **/
     30 public class HotspotTile extends QSTile<QSTile.BooleanState> {
     31     private final AnimationIcon mEnable =
     32             new AnimationIcon(R.drawable.ic_hotspot_enable_animation);
     33     private final AnimationIcon mDisable =
     34             new AnimationIcon(R.drawable.ic_hotspot_disable_animation);
     35     private final HotspotController mController;
     36     private final Callback mCallback = new Callback();
     37     private final UsageTracker mUsageTracker;
     38     private final KeyguardMonitor mKeyguard;
     39 
     40     public HotspotTile(Host host) {
     41         super(host);
     42         mController = host.getHotspotController();
     43         mUsageTracker = newUsageTracker(host.getContext());
     44         mUsageTracker.setListening(true);
     45         mKeyguard = host.getKeyguardMonitor();
     46     }
     47 
     48     @Override
     49     protected void handleDestroy() {
     50         super.handleDestroy();
     51         mUsageTracker.setListening(false);
     52     }
     53 
     54     @Override
     55     protected BooleanState newTileState() {
     56         return new BooleanState();
     57     }
     58 
     59     @Override
     60     public void setListening(boolean listening) {
     61         if (listening) {
     62             mController.addCallback(mCallback);
     63         } else {
     64             mController.removeCallback(mCallback);
     65         }
     66     }
     67 
     68     @Override
     69     protected void handleClick() {
     70         final boolean isEnabled = (Boolean) mState.value;
     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         state.value = mController.isHotspotEnabled();
     95         state.icon = state.visible && state.value ? mEnable : mDisable;
     96     }
     97 
     98     @Override
     99     protected String composeChangeAnnouncement() {
    100         if (mState.value) {
    101             return mContext.getString(R.string.accessibility_quick_settings_hotspot_changed_on);
    102         } else {
    103             return mContext.getString(R.string.accessibility_quick_settings_hotspot_changed_off);
    104         }
    105     }
    106 
    107     private static UsageTracker newUsageTracker(Context context) {
    108         return new UsageTracker(context, HotspotTile.class, R.integer.days_to_show_hotspot_tile);
    109     }
    110 
    111     private final class Callback implements HotspotController.Callback {
    112         @Override
    113         public void onHotspotChanged(boolean enabled) {
    114             refreshState();
    115         }
    116     };
    117 
    118     /**
    119      * This will catch broadcasts for changes in hotspot state so we can show
    120      * the hotspot tile for a number of days after use.
    121      */
    122     public static class APChangedReceiver extends BroadcastReceiver {
    123         private UsageTracker mUsageTracker;
    124 
    125         @Override
    126         public void onReceive(Context context, Intent intent) {
    127             if (mUsageTracker == null) {
    128                 mUsageTracker = newUsageTracker(context);
    129             }
    130             mUsageTracker.trackUsage();
    131         }
    132     }
    133 }
    134