forked from upstream-mirrors/OpenTracks
Jimmy Shih
658 lines
20 KiB
Java
658 lines
20 KiB
Java
/*
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* Copyright 2008 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.google.android.apps.mytracks.fragments;
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import com.google.android.apps.mytracks.MapOverlay;
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import com.google.android.apps.mytracks.MarkerDetailActivity;
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import com.google.android.apps.mytracks.TrackDetailActivity;
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import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
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import com.google.android.apps.mytracks.content.MyTracksProviderUtils.Factory;
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import com.google.android.apps.mytracks.content.Track;
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import com.google.android.apps.mytracks.content.TrackDataHub;
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import com.google.android.apps.mytracks.content.TrackDataListener;
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import com.google.android.apps.mytracks.content.TrackDataType;
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import com.google.android.apps.mytracks.content.Waypoint;
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import com.google.android.apps.mytracks.stats.TripStatistics;
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import com.google.android.apps.mytracks.util.ApiAdapterFactory;
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import com.google.android.apps.mytracks.util.GoogleLocationUtils;
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import com.google.android.apps.mytracks.util.IntentUtils;
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import com.google.android.apps.mytracks.util.LocationUtils;
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import com.google.android.gms.maps.CameraUpdate;
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import com.google.android.gms.maps.CameraUpdates;
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import com.google.android.gms.maps.GoogleMap;
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import com.google.android.gms.maps.LocationSource;
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import com.google.android.gms.maps.LocationSource.OnLocationChangedListener;
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import com.google.android.gms.maps.OnMapInitializeListener;
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import com.google.android.gms.maps.SupportMapFragment;
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import com.google.android.gms.maps.model.CameraPosition;
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import com.google.android.gms.maps.model.LatLng;
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import com.google.android.gms.maps.model.LatLngBounds;
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import com.google.android.gms.maps.model.Marker;
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import com.google.android.gms.maps.model.Model;
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import com.google.android.gms.maps.model.Polyline;
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import com.google.android.maps.mytracks.R;
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import android.content.Context;
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import android.content.Intent;
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import android.location.Location;
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import android.os.Bundle;
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import android.provider.Settings;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.widget.ImageButton;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import java.util.ArrayList;
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import java.util.EnumSet;
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/**
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* A fragment to display map to the user.
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*
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* @author Leif Hendrik Wilden
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* @author Rodrigo Damazio
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*/
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public class MyTracksMapFragment extends SupportMapFragment
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implements OnMapInitializeListener, TrackDataListener {
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public static final String MAP_FRAGMENT_TAG = "mapFragment";
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private static final String CURRENT_LOCATION_KEY = "current_location_key";
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private static final String
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KEEP_CURRENT_LOCATION_VISIBLE_KEY = "keep_current_location_visible_key";
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private static final String ZOOM_TO_CURRENT_LOCATION_KEY = "zoom_to_current_location_key";
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private static final float DEFAULT_ZOOM_LEVEL = 18f;
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// Google's latitude and longitude
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private static final double DEFAULT_LATITUDE = 37.423;
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private static final double DEFAULT_LONGITUDE = -122.084;
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private static final int MAP_VIEW_PADDING = 32;
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private TrackDataHub trackDataHub;
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// Current location
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private Location currentLocation;
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// True to keep the currentLocation visible
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private boolean keepCurrentLocationVisible;
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// True to zoom to currentLocation when it is available
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private boolean zoomToCurrentLocation;
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private OnLocationChangedListener onLocationChangedListener;
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// For showing a marker
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private long markerTrackId = -1L;
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private long markerId = -1L;
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// Current track
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private Track currentTrack;
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// Current paths
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private ArrayList<Polyline> paths = new ArrayList<Polyline>();
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boolean reloadPaths = true;
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// UI elements
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private GoogleMap googleMap;
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private MapOverlay mapOverlay;
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private View mapView;
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private ImageButton myLocationImageButton;
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private TextView messageTextView;
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@Override
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public void onCreate(Bundle bundle) {
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super.onCreate(bundle);
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setHasOptionsMenu(true);
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ApiAdapterFactory.getApiAdapter().invalidMenu(getActivity());
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mapOverlay = new MapOverlay(getActivity());
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setOnMapInitializeListener(this);
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}
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@Override
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public View onCreateView(
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LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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mapView = super.onCreateView(inflater, container, savedInstanceState);
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View layout = inflater.inflate(R.layout.map, container, false);
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RelativeLayout mapContainer = (RelativeLayout) layout.findViewById(R.id.map_container);
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mapContainer.addView(mapView, 0);
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myLocationImageButton = (ImageButton) layout.findViewById(R.id.map_my_location);
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myLocationImageButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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forceUpdateLocation();
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keepCurrentLocationVisible = true;
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zoomToCurrentLocation = true;
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updateCurrentLocation();
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}
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});
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messageTextView = (TextView) layout.findViewById(R.id.map_message);
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return layout;
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}
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@Override
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public void onMapInitialize(GoogleMap map) {
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googleMap = map;
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googleMap.setMyLocationEnabled(true);
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googleMap.getUiSettings().setMyLocationButtonEnabled(false);
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googleMap.setIndoorEnabled(true);
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googleMap.setOnMarkerClickListener(new OnMarkerClickListener() {
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@Override
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public boolean onMarkerClick(Marker marker) {
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if (isResumed()) {
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String title = marker.getTitle();
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if (title != null && title.length() > 0) {
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long id = Long.valueOf(title);
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Context context = getActivity();
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Intent intent = IntentUtils.newIntent(context, MarkerDetailActivity.class)
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.putExtra(MarkerDetailActivity.EXTRA_MARKER_ID, id);
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context.startActivity(intent);
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}
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}
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return true;
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}
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});
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googleMap.setLocationSource(new LocationSource() {
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@Override
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public void activate(OnLocationChangedListener listener) {
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onLocationChangedListener = listener;
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}
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@Override
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public void deactivate() {
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onLocationChangedListener = null;
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}
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});
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googleMap.setOnCameraChangeListener(new OnCameraChangeListener() {
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@Override
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public void onCameraChange(CameraPosition cameraPosition) {
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if (isResumed() && keepCurrentLocationVisible && currentLocation != null
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&& !isLocationVisible(currentLocation)) {
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keepCurrentLocationVisible = false;
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zoomToCurrentLocation = false;
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}
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}
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});
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LatLng latLng = getDefaultLatLng();
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if (latLng != null) {
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googleMap.moveCamera(CameraUpdates.newLatLngZoom(latLng, googleMap.getMinZoomLevel()));
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}
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if (isResumed()) {
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resetTrackDataHub();
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}
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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if (savedInstanceState != null) {
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keepCurrentLocationVisible = savedInstanceState.getBoolean(
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KEEP_CURRENT_LOCATION_VISIBLE_KEY, false);
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zoomToCurrentLocation = savedInstanceState.getBoolean(ZOOM_TO_CURRENT_LOCATION_KEY, false);
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currentLocation = (Location) savedInstanceState.getParcelable(CURRENT_LOCATION_KEY);
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updateCurrentLocation();
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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resumeTrackDataHub();
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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if (currentLocation != null) {
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outState.putParcelable(CURRENT_LOCATION_KEY, currentLocation);
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}
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outState.putBoolean(KEEP_CURRENT_LOCATION_VISIBLE_KEY, keepCurrentLocationVisible);
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outState.putBoolean(ZOOM_TO_CURRENT_LOCATION_KEY, zoomToCurrentLocation);
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}
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@Override
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public void onPause() {
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super.onPause();
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pauseTrackDataHub();
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}
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/**
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* Shows the marker on the map.
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*
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* @param trackId the track id
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* @param id the marker id
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*/
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public void showMarker(long trackId, long id) {
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/*
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* Synchronize to prevent race condition in changing markerTrackId and
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* markerId variables.
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*/
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synchronized (this) {
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if (currentTrack != null && currentTrack.getId() == trackId) {
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showMarker(id);
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markerTrackId = -1L;
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markerId = -1L;
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return;
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}
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markerTrackId = trackId;
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markerId = id;
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}
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater menuInflator) {
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menuInflator.inflate(R.menu.map, menu);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem menuItem) {
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int type = MAP_TYPE_NORMAL;
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switch (menuItem.getItemId()) {
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case R.id.menu_map:
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type = MAP_TYPE_NORMAL;
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break;
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case R.id.menu_satellite:
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type = MAP_TYPE_SATELLITE;
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break;
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case R.id.menu_terrain:
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type = MAP_TYPE_TERRAIN;
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break;
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default:
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return super.onOptionsItemSelected(menuItem);
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}
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if (googleMap != null) {
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googleMap.setMapType(type);
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}
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return true;
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}
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@Override
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public void onLocationStateChanged(final LocationState state) {
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if (isResumed()) {
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getActivity().runOnUiThread(new Runnable() {
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@Override
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public void run() {
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if (!isResumed() || googleMap == null) {
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return;
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}
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boolean myLocationEnabled = true;
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if (state == LocationState.DISABLED) {
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currentLocation = null;
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myLocationEnabled = false;
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}
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googleMap.setMyLocationEnabled(myLocationEnabled);
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String message;
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boolean isGpsDisabled;
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if (!isSelectedTrackRecording()) {
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message = null;
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isGpsDisabled = false;
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} else {
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switch (state) {
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case DISABLED:
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String setting = getString(GoogleLocationUtils.isAvailable(getActivity())
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? R.string.gps_google_location_settings
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: R.string.gps_location_access);
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message = getString(R.string.gps_disabled, setting);
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isGpsDisabled = true;
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break;
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case NO_FIX:
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message = getString(R.string.gps_wait_for_signal);
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isGpsDisabled = false;
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break;
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case BAD_FIX:
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message = getString(R.string.gps_wait_for_better_signal);
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isGpsDisabled = false;
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break;
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case GOOD_FIX:
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message = null;
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isGpsDisabled = false;
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break;
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default:
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throw new IllegalArgumentException("Unexpected state: " + state);
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}
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}
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if (message == null) {
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messageTextView.setVisibility(View.GONE);
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return;
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}
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messageTextView.setText(message);
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messageTextView.setVisibility(View.VISIBLE);
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if (isGpsDisabled) {
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Toast.makeText(getActivity(), R.string.gps_not_found, Toast.LENGTH_LONG).show();
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// Click to show the location source settings
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messageTextView.setOnClickListener(new OnClickListener() {
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@Override
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public void onClick(View v) {
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Intent intent = GoogleLocationUtils.isAvailable(getActivity()) ? new Intent(
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GoogleLocationUtils.ACTION_GOOGLE_LOCATION_SETTINGS)
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: new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
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intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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startActivity(intent);
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}
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});
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} else {
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messageTextView.setOnClickListener(null);
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}
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}
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});
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}
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}
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@Override
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public void onLocationChanged(final Location location) {
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if (isResumed()) {
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if (isSelectedTrackRecording() && currentLocation == null && location != null) {
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zoomToCurrentLocation = true;
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}
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currentLocation = location;
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updateCurrentLocation();
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}
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}
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@Override
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public void onHeadingChanged(double heading) {
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// We don't care.
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}
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@Override
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public void onSelectedTrackChanged(final Track track) {
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if (isResumed()) {
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currentTrack = track;
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boolean hasTrack = track != null;
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if (hasTrack) {
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mapOverlay.setShowEndMarker(!isSelectedTrackRecording());
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synchronized (this) {
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/*
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* Synchronize to prevent race condition in changing markerTrackId and
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* markerId variables.
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*/
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if (track.getId() == markerTrackId) {
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// Show the marker
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showMarker(markerId);
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markerTrackId = -1L;
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markerId = -1L;
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} else {
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// Show the track
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showTrack();
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}
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}
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}
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}
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}
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@Override
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public void onTrackUpdated(Track track) {
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// We don't care.
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}
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@Override
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public void clearTrackPoints() {
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if (isResumed()) {
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mapOverlay.clearPoints();
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reloadPaths = true;
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}
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}
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@Override
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public void onSampledInTrackPoint(final Location location) {
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if (isResumed()) {
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mapOverlay.addLocation(location);
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}
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}
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@Override
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public void onSampledOutTrackPoint(Location location) {
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// We don't care.
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}
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@Override
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public void onSegmentSplit(Location location) {
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if (isResumed()) {
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mapOverlay.addSegmentSplit();
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}
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}
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@Override
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public void onNewTrackPointsDone() {
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if (isResumed()) {
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getActivity().runOnUiThread(new Runnable() {
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public void run() {
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if (isResumed() && googleMap != null) {
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mapOverlay.update(googleMap, paths, reloadPaths);
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reloadPaths = false;
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}
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}
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});
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}
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}
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@Override
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public void clearWaypoints() {
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if (isResumed()) {
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mapOverlay.clearWaypoints();
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}
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}
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@Override
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public void onNewWaypoint(Waypoint waypoint) {
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if (isResumed() && waypoint != null && LocationUtils.isValidLocation(waypoint.getLocation())) {
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mapOverlay.addWaypoint(waypoint);
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}
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}
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@Override
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public void onNewWaypointsDone() {
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if (isResumed()) {
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getActivity().runOnUiThread(new Runnable() {
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public void run() {
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if (isResumed() && googleMap != null) {
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mapOverlay.update(googleMap, paths, true);
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}
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}
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});
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}
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}
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@Override
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public boolean onMetricUnitsChanged(boolean metric) {
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// We don't care.
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return false;
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}
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@Override
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public boolean onReportSpeedChanged(boolean reportSpeed) {
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// We don't care.
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return false;
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}
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@Override
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public boolean onMinRecordingDistanceChanged(int minRecordingDistance) {
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// We don't care.
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return false;
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}
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/**
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* Resumes the trackDataHub. Needs to be synchronized because the trackDataHub
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* can be accessed by multiple threads.
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*/
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private synchronized void resumeTrackDataHub() {
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trackDataHub = ((TrackDetailActivity) getActivity()).getTrackDataHub();
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trackDataHub.registerTrackDataListener(this, EnumSet.of(TrackDataType.SELECTED_TRACK,
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TrackDataType.WAYPOINTS_TABLE, TrackDataType.SAMPLED_IN_TRACK_POINTS_TABLE,
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TrackDataType.LOCATION, TrackDataType.HEADING));
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}
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/**
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* Pauses the trackDataHub. Needs to be synchronized because the trackDataHub
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* can be accessed by multiple threads.
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*/
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private synchronized void pauseTrackDataHub() {
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if (trackDataHub != null) {
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trackDataHub.unregisterTrackDataListener(this);
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}
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trackDataHub = null;
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}
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/**
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* Resets the trackDataHub. Needs to be synchronized because the trackDataHub
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* can be accessed by multiple threads.
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*/
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private synchronized void resetTrackDataHub() {
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pauseTrackDataHub();
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resumeTrackDataHub();
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}
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/**
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* Returns true if the selected track is recording. Needs to be synchronized
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* because the trackDataHub can be accessed by multiple threads.
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*/
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private synchronized boolean isSelectedTrackRecording() {
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return trackDataHub != null && trackDataHub.isSelectedTrackRecording();
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}
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/**
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* Forces update location. Needs to be synchronized because the trackDataHub
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* can be accessed by multiple threads.
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*/
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private synchronized void forceUpdateLocation() {
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if (trackDataHub != null) {
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trackDataHub.forceUpdateLocation();
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}
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}
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/**
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* Updates the current location and zoom to it if necessary.
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*/
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private void updateCurrentLocation() {
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getActivity().runOnUiThread(new Runnable() {
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public void run() {
|
|
if (!isResumed() || googleMap == null || onLocationChangedListener == null
|
|
|| currentLocation == null) {
|
|
return;
|
|
}
|
|
onLocationChangedListener.onLocationChanged(currentLocation);
|
|
if (zoomToCurrentLocation
|
|
|| (keepCurrentLocationVisible && !isLocationVisible(currentLocation))) {
|
|
LatLng latLng = new LatLng(currentLocation.getLatitude(), currentLocation.getLongitude());
|
|
googleMap.animateCamera(CameraUpdates.newLatLngZoom(latLng, DEFAULT_ZOOM_LEVEL));
|
|
zoomToCurrentLocation = false;
|
|
}
|
|
};
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Sets the camera over a track.
|
|
*/
|
|
private void showTrack() {
|
|
getActivity().runOnUiThread(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
if (!isResumed() || googleMap == null || currentTrack == null
|
|
|| currentTrack.getNumberOfPoints() < 2) {
|
|
return;
|
|
}
|
|
|
|
if (mapView == null || mapView.getWidth() == 0 || mapView.getHeight() == 0) {
|
|
return;
|
|
}
|
|
|
|
TripStatistics tripStatistics = currentTrack.getTripStatistics();
|
|
int latitudeSpanE6 = tripStatistics.getTop() - tripStatistics.getBottom();
|
|
int longitudeSpanE6 = tripStatistics.getRight() - tripStatistics.getLeft();
|
|
if (latitudeSpanE6 > 0 && latitudeSpanE6 < 180E6 && longitudeSpanE6 > 0
|
|
&& longitudeSpanE6 < 360E6) {
|
|
LatLng southWest = new LatLng(
|
|
tripStatistics.getBottomDegrees(), tripStatistics.getLeftDegrees());
|
|
LatLng northEast = new LatLng(
|
|
tripStatistics.getTopDegrees(), tripStatistics.getRightDegrees());
|
|
LatLngBounds bounds = Model.newLatLngBounds(southWest, northEast);
|
|
CameraUpdate cameraUpdate = CameraUpdates.newLatLngBounds(
|
|
bounds, mapView.getWidth(), mapView.getHeight(), MAP_VIEW_PADDING);
|
|
googleMap.moveCamera(cameraUpdate);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Sets the camera over a marker.
|
|
*
|
|
* @param id the marker id
|
|
*/
|
|
private void showMarker(final long id) {
|
|
getActivity().runOnUiThread(new Runnable() {
|
|
@Override
|
|
public void run() {
|
|
if (!isResumed() || googleMap == null) {
|
|
return;
|
|
}
|
|
MyTracksProviderUtils MyTracksProviderUtils = Factory.get(getActivity());
|
|
Waypoint waypoint = MyTracksProviderUtils.getWaypoint(id);
|
|
if (waypoint != null && waypoint.getLocation() != null) {
|
|
Location location = waypoint.getLocation();
|
|
LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
|
|
keepCurrentLocationVisible = false;
|
|
zoomToCurrentLocation = false;
|
|
CameraUpdate cameraUpdate = CameraUpdates.newLatLngZoom(latLng, DEFAULT_ZOOM_LEVEL);
|
|
googleMap.moveCamera(cameraUpdate);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Gets the default LatLng.
|
|
*/
|
|
private LatLng getDefaultLatLng() {
|
|
MyTracksProviderUtils myTracksProviderUtils = MyTracksProviderUtils.Factory.get(getActivity());
|
|
Location location = myTracksProviderUtils.getLastValidTrackPoint();
|
|
if (location != null) {
|
|
return new LatLng(location.getLatitude(), location.getLongitude());
|
|
} else {
|
|
return new LatLng(DEFAULT_LATITUDE, DEFAULT_LONGITUDE);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns true if the location is visible. Needs to run on the UI thread.
|
|
*
|
|
* @param location the location
|
|
*/
|
|
private boolean isLocationVisible(Location location) {
|
|
if (location == null || googleMap == null) {
|
|
return false;
|
|
}
|
|
LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
|
|
return googleMap.getProjection().getVisibleRegion().getLatLngBounds().contains(latLng);
|
|
}
|
|
} |