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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.app.ActivityManager;
     20 import android.content.Intent;
     21 import android.graphics.drawable.Drawable;
     22 import android.provider.MediaStore;
     23 import android.text.SpannableStringBuilder;
     24 import android.text.style.ForegroundColorSpan;
     25 import android.widget.Switch;
     26 
     27 import com.android.internal.logging.MetricsLogger;
     28 import com.android.internal.logging.MetricsProto.MetricsEvent;
     29 import com.android.systemui.R;
     30 import com.android.systemui.qs.QSTile;
     31 import com.android.systemui.statusbar.policy.FlashlightController;
     32 
     33 /** Quick settings tile: Control flashlight **/
     34 public class FlashlightTile extends QSTile<QSTile.BooleanState> implements
     35         FlashlightController.FlashlightListener {
     36 
     37     private final AnimationIcon mEnable
     38             = new AnimationIcon(R.drawable.ic_signal_flashlight_enable_animation,
     39             R.drawable.ic_signal_flashlight_disable);
     40     private final AnimationIcon mDisable
     41             = new AnimationIcon(R.drawable.ic_signal_flashlight_disable_animation,
     42             R.drawable.ic_signal_flashlight_enable);
     43     private final FlashlightController mFlashlightController;
     44 
     45     public FlashlightTile(Host host) {
     46         super(host);
     47         mFlashlightController = host.getFlashlightController();
     48         mFlashlightController.addListener(this);
     49     }
     50 
     51     @Override
     52     protected void handleDestroy() {
     53         super.handleDestroy();
     54         mFlashlightController.removeListener(this);
     55     }
     56 
     57     @Override
     58     public BooleanState newTileState() {
     59         return new BooleanState();
     60     }
     61 
     62     @Override
     63     public void setListening(boolean listening) {
     64     }
     65 
     66     @Override
     67     protected void handleUserSwitch(int newUserId) {
     68     }
     69 
     70     @Override
     71     public Intent getLongClickIntent() {
     72         return new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
     73     }
     74 
     75     @Override
     76     public boolean isAvailable() {
     77         return mFlashlightController.hasFlashlight();
     78     }
     79 
     80     @Override
     81     protected void handleClick() {
     82         if (ActivityManager.isUserAMonkey()) {
     83             return;
     84         }
     85         MetricsLogger.action(mContext, getMetricsCategory(), !mState.value);
     86         boolean newState = !mState.value;
     87         refreshState(newState);
     88         mFlashlightController.setFlashlight(newState);
     89     }
     90 
     91     @Override
     92     public CharSequence getTileLabel() {
     93         return mContext.getString(R.string.quick_settings_flashlight_label);
     94     }
     95 
     96     @Override
     97     protected void handleLongClick() {
     98         handleClick();
     99     }
    100 
    101     @Override
    102     protected void handleUpdateState(BooleanState state, Object arg) {
    103         state.label = mHost.getContext().getString(R.string.quick_settings_flashlight_label);
    104         if (!mFlashlightController.isAvailable()) {
    105             Drawable icon = mHost.getContext().getDrawable(R.drawable.ic_signal_flashlight_disable)
    106                     .mutate();
    107             final int disabledColor = mHost.getContext().getColor(R.color.qs_tile_tint_unavailable);
    108             icon.setTint(disabledColor);
    109             state.icon = new DrawableIcon(icon);
    110             state.label = new SpannableStringBuilder().append(state.label,
    111                     new ForegroundColorSpan(disabledColor),
    112                     SpannableStringBuilder.SPAN_INCLUSIVE_INCLUSIVE);
    113             state.contentDescription = mContext.getString(
    114                     R.string.accessibility_quick_settings_flashlight_unavailable);
    115             return;
    116         }
    117         if (arg instanceof Boolean) {
    118             boolean value = (Boolean) arg;
    119             if (value == state.value) {
    120                 return;
    121             }
    122             state.value = value;
    123         } else {
    124             state.value = mFlashlightController.isEnabled();
    125         }
    126         final AnimationIcon icon = state.value ? mEnable : mDisable;
    127         state.icon = icon;
    128         state.contentDescription = mContext.getString(R.string.quick_settings_flashlight_label);
    129         state.minimalAccessibilityClassName = state.expandedAccessibilityClassName
    130                 = Switch.class.getName();
    131     }
    132 
    133     @Override
    134     public int getMetricsCategory() {
    135         return MetricsEvent.QS_FLASHLIGHT;
    136     }
    137 
    138     @Override
    139     protected String composeChangeAnnouncement() {
    140         if (mState.value) {
    141             return mContext.getString(R.string.accessibility_quick_settings_flashlight_changed_on);
    142         } else {
    143             return mContext.getString(R.string.accessibility_quick_settings_flashlight_changed_off);
    144         }
    145     }
    146 
    147     @Override
    148     public void onFlashlightChanged(boolean enabled) {
    149         refreshState(enabled);
    150     }
    151 
    152     @Override
    153     public void onFlashlightError() {
    154         refreshState(false);
    155     }
    156 
    157     @Override
    158     public void onFlashlightAvailabilityChanged(boolean available) {
    159         refreshState();
    160     }
    161 }
    162