1/*
2 * Copyright (C) 2017 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
17package com.android.incallui.calllocation.impl;
18
19import android.animation.LayoutTransition;
20import android.content.Context;
21import android.graphics.drawable.Drawable;
22import android.location.Location;
23import android.os.Bundle;
24import android.os.Handler;
25import android.text.TextUtils;
26import android.view.LayoutInflater;
27import android.view.View;
28import android.view.ViewGroup;
29import android.widget.ImageView;
30import android.widget.TextView;
31import android.widget.ViewAnimator;
32import com.android.dialer.common.LogUtil;
33import com.android.dialer.logging.DialerImpression;
34import com.android.dialer.logging.Logger;
35import com.android.incallui.baseui.BaseFragment;
36import java.util.Objects;
37import java.util.concurrent.TimeUnit;
38
39/**
40 * Fragment which shows location during E911 calls, to supplement the user with accurate location
41 * information in case the user is asked for their location by the emergency responder.
42 *
43 * <p>If location data is inaccurate, stale, or unavailable, this should not be shown.
44 */
45public class LocationFragment extends BaseFragment<LocationPresenter, LocationPresenter.LocationUi>
46    implements LocationPresenter.LocationUi {
47
48  private static final String ADDRESS_DELIMITER = ",";
49
50  // Indexes used to animate fading between views
51  private static final int LOADING_VIEW_INDEX = 0;
52  private static final int LOCATION_VIEW_INDEX = 1;
53  private static final long TIMEOUT_MILLIS = TimeUnit.SECONDS.toMillis(5);
54
55  private ViewAnimator viewAnimator;
56  private ImageView locationMap;
57  private TextView addressLine1;
58  private TextView addressLine2;
59  private TextView latLongLine;
60  private Location location;
61  private ViewGroup locationLayout;
62
63  private boolean isMapSet;
64  private boolean isAddressSet;
65  private boolean isLocationSet;
66  private boolean hasTimeoutStarted;
67
68  private final Handler handler = new Handler();
69  private final Runnable dataTimeoutRunnable =
70      () -> {
71        LogUtil.i(
72            "LocationFragment.dataTimeoutRunnable",
73            "timed out so animate any future layout changes");
74        locationLayout.setLayoutTransition(new LayoutTransition());
75        showLocationNow();
76      };
77
78  @Override
79  public LocationPresenter createPresenter() {
80    return new LocationPresenter();
81  }
82
83  @Override
84  public LocationPresenter.LocationUi getUi() {
85    return this;
86  }
87
88  @Override
89  public View onCreateView(
90      LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
91    LogUtil.enterBlock("LocationFragment.onCreateView");
92    final View view = inflater.inflate(R.layout.location_fragment, container, false);
93    viewAnimator = (ViewAnimator) view.findViewById(R.id.location_view_animator);
94    locationMap = (ImageView) view.findViewById(R.id.location_map);
95    addressLine1 = (TextView) view.findViewById(R.id.address_line_one);
96    addressLine2 = (TextView) view.findViewById(R.id.address_line_two);
97    latLongLine = (TextView) view.findViewById(R.id.lat_long_line);
98    locationLayout = (ViewGroup) view.findViewById(R.id.location_layout);
99    return view;
100  }
101
102  @Override
103  public void onDestroy() {
104    super.onDestroy();
105    handler.removeCallbacks(dataTimeoutRunnable);
106  }
107
108  @Override
109  public void setMap(Drawable mapImage) {
110    LogUtil.enterBlock("LocationFragment.setMap");
111    isMapSet = true;
112    locationMap.setVisibility(View.VISIBLE);
113    locationMap.setImageDrawable(mapImage);
114    displayWhenReady();
115    Logger.get(getContext()).logImpression(DialerImpression.Type.EMERGENCY_GOT_MAP);
116  }
117
118  @Override
119  public void setAddress(String address) {
120    LogUtil.i("LocationFragment.setAddress", address);
121    isAddressSet = true;
122    addressLine1.setVisibility(View.VISIBLE);
123    addressLine2.setVisibility(View.VISIBLE);
124    if (TextUtils.isEmpty(address)) {
125      addressLine1.setText(null);
126      addressLine2.setText(null);
127    } else {
128
129      // Split the address after the first delimiter for display, if present.
130      // For example, "1600 Amphitheatre Parkway, Mountain View, CA 94043"
131      //     => "1600 Amphitheatre Parkway"
132      //     => "Mountain View, CA 94043"
133      int splitIndex = address.indexOf(ADDRESS_DELIMITER);
134      if (splitIndex >= 0) {
135        updateText(addressLine1, address.substring(0, splitIndex).trim());
136        updateText(addressLine2, address.substring(splitIndex + 1).trim());
137      } else {
138        updateText(addressLine1, address);
139        updateText(addressLine2, null);
140      }
141
142      Logger.get(getContext()).logImpression(DialerImpression.Type.EMERGENCY_GOT_ADDRESS);
143    }
144    displayWhenReady();
145  }
146
147  @Override
148  public void setLocation(Location location) {
149    LogUtil.i("LocationFragment.setLocation", String.valueOf(location));
150    isLocationSet = true;
151    this.location = location;
152
153    if (location != null) {
154      latLongLine.setVisibility(View.VISIBLE);
155      latLongLine.setText(
156          getContext()
157              .getString(
158                  R.string.lat_long_format, location.getLatitude(), location.getLongitude()));
159
160      Logger.get(getContext()).logImpression(DialerImpression.Type.EMERGENCY_GOT_LOCATION);
161    }
162    displayWhenReady();
163  }
164
165  private void displayWhenReady() {
166    // Show the location if all data has loaded, otherwise prime the timeout
167    if (isMapSet && isAddressSet && isLocationSet) {
168      showLocationNow();
169    } else if (!hasTimeoutStarted) {
170      handler.postDelayed(dataTimeoutRunnable, TIMEOUT_MILLIS);
171      hasTimeoutStarted = true;
172    }
173  }
174
175  private void showLocationNow() {
176    handler.removeCallbacks(dataTimeoutRunnable);
177    if (viewAnimator.getDisplayedChild() != LOCATION_VIEW_INDEX) {
178      viewAnimator.setDisplayedChild(LOCATION_VIEW_INDEX);
179      viewAnimator.setOnClickListener(v -> launchMap());
180    }
181  }
182
183  @Override
184  public Context getContext() {
185    return getActivity();
186  }
187
188  private void launchMap() {
189    if (location != null) {
190      startActivity(
191          LocationUrlBuilder.getShowMapIntent(
192              location, addressLine1.getText(), addressLine2.getText()));
193
194      Logger.get(getContext()).logImpression(DialerImpression.Type.EMERGENCY_LAUNCHED_MAP);
195    }
196  }
197
198  private static void updateText(TextView view, String text) {
199    if (!Objects.equals(text, view.getText())) {
200      view.setText(text);
201    }
202  }
203}
204