add share location

3 files changed, 274 insertions, 1 deletions

diff --git a/src/main/java/eu/siacs/conversations/Config.java b/src/main/java/eu/siacs/conversations/Config.java
index 810aab229..78067b905 100644
--- a/src/main/java/eu/siacs/conversations/Config.java
+++ b/src/main/java/eu/siacs/conversations/Config.java
@@ -6,7 +6,6 @@ import eu.siacs.conversations.xmpp.chatstate.ChatState;
 
 public final class Config {
 
-
 	private static final int UNENCRYPTED = 1;
 	private static final int OPENPGP = 2;
 	private static final int OTR = 4;
@@ -75,6 +74,8 @@ public final class Config {
 
 	public static final int FILE_MAX_SIZE = 1048576; //1 MiB
 
+	public static final int DEFAULT_ZOOM = 15; //for locations
+
 	public static final int MESSAGE_MERGE_WINDOW = 20;
 
 	public static final int PAGE_SIZE = 20;
diff --git a/src/main/java/eu/siacs/conversations/ui/ShareLocationActivity.java b/src/main/java/eu/siacs/conversations/ui/ShareLocationActivity.java
new file mode 100644
index 000000000..f532ab38c
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/ShareLocationActivity.java
@@ -0,0 +1,171 @@
+package eu.siacs.conversations.ui;
+
+import android.annotation.TargetApi;
+import android.app.Activity;
+import android.content.Intent;
+import android.location.Location;
+import android.os.Build;
+import android.os.Bundle;
+import android.provider.Settings;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.Button;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+import eu.siacs.conversations.Config;
+import eu.siacs.conversations.R;
+
+import com.google.android.gms.common.ConnectionResult;
+import com.google.android.gms.common.api.GoogleApiClient;
+import com.google.android.gms.location.LocationListener;
+import com.google.android.gms.location.LocationRequest;
+import com.google.android.gms.location.LocationServices;
+import com.google.android.gms.maps.CameraUpdateFactory;
+import com.google.android.gms.maps.GoogleMap;
+import com.google.android.gms.maps.MapFragment;
+import com.google.android.gms.maps.OnMapReadyCallback;
+import com.google.android.gms.maps.model.LatLng;
+
+public class ShareLocationActivity extends Activity implements OnMapReadyCallback,
+		GoogleApiClient.ConnectionCallbacks,
+		GoogleApiClient.OnConnectionFailedListener,
+		LocationListener{
+
+	private GoogleMap mGoogleMap;
+	private GoogleApiClient mGoogleApiClient;
+	private LocationRequest mLocationRequest;
+	private Location mLastLocation;
+	private Button mCancelButton;
+	private Button mShareButton;
+	private RelativeLayout mSnackbar;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.share_locaction_activity);
+		MapFragment fragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map_fragment);
+		fragment.getMapAsync(this);
+		mGoogleApiClient = new GoogleApiClient.Builder(this)
+				.addApi(LocationServices.API)
+				.addConnectionCallbacks(this)
+				.addOnConnectionFailedListener(this)
+				.build();
+		mCancelButton = (Button) findViewById(R.id.cancel_button);
+		mCancelButton.setOnClickListener(new View.OnClickListener() {
+			@Override
+			public void onClick(View view) {
+				setResult(RESULT_CANCELED);
+				finish();
+			}
+		});
+		mShareButton = (Button) findViewById(R.id.share_button);
+		mShareButton.setOnClickListener(new View.OnClickListener() {
+			@Override
+			public void onClick(View view) {
+				if (mLastLocation != null) {
+					Intent result = new Intent();
+					result.putExtra("latitude",mLastLocation.getLatitude());
+					result.putExtra("longitude",mLastLocation.getLongitude());
+					result.putExtra("altitude",mLastLocation.getAltitude());
+					result.putExtra("accuracy",(int) mLastLocation.getAccuracy());
+					setResult(RESULT_OK, result);
+					finish();
+				}
+			}
+		});
+		mSnackbar = (RelativeLayout) findViewById(R.id.snackbar);
+		TextView snackbarAction = (TextView) findViewById(R.id.snackbar_action);
+		snackbarAction.setOnClickListener(new View.OnClickListener() {
+			@Override
+			public void onClick(View view) {
+				startActivity(new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS));
+			}
+		});
+	}
+
+	@Override
+	protected void onResume() {
+		super.onResume();
+		this.mLastLocation = null;
+		if (isLocationEnabled()) {
+			this.mSnackbar.setVisibility(View.GONE);
+		} else {
+			this.mSnackbar.setVisibility(View.VISIBLE);
+		}
+		mShareButton.setEnabled(false);
+		mShareButton.setTextColor(0x8a000000);
+		mShareButton.setText(R.string.locating);
+		mGoogleApiClient.connect();
+	}
+
+	@Override
+	protected void onPause() {
+		mGoogleApiClient.disconnect();
+		super.onPause();
+	}
+
+	@Override
+	public void onMapReady(GoogleMap googleMap) {
+		this.mGoogleMap = googleMap;
+		this.mGoogleMap.setMyLocationEnabled(true);
+	}
+
+	private void centerOnLocation(LatLng location) {
+		this.mGoogleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(location, Config.DEFAULT_ZOOM));
+	}
+
+	@Override
+	public void onConnected(Bundle bundle) {
+		mLocationRequest = LocationRequest.create();
+        mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
+        mLocationRequest.setInterval(1000);
+
+        LocationServices.FusedLocationApi.requestLocationUpdates(mGoogleApiClient, mLocationRequest, this);
+	}
+
+	@Override
+	public void onConnectionSuspended(int i) {
+
+	}
+
+	@Override
+	public void onConnectionFailed(ConnectionResult connectionResult) {
+
+	}
+
+	@Override
+	public void onLocationChanged(Location location) {
+		if (this.mLastLocation == null) {
+			centerOnLocation(new LatLng(location.getLatitude(), location.getLongitude()));
+			this.mShareButton.setEnabled(true);
+			this.mShareButton.setTextColor(0xde000000);
+			this.mShareButton.setText(R.string.share);
+		}
+		this.mLastLocation = location;
+	}
+
+	@TargetApi(Build.VERSION_CODES.KITKAT)
+	private boolean isLocationEnabledKitkat() {
+		try {
+			int locationMode = Settings.Secure.getInt(getContentResolver(), Settings.Secure.LOCATION_MODE);
+			return locationMode != Settings.Secure.LOCATION_MODE_OFF;
+		} catch (Settings.SettingNotFoundException e) {
+			return false;
+		}
+	}
+
+	@SuppressWarnings("deprecation")
+	private boolean isLocationEnabledLegacy() {
+		String locationProviders = Settings.Secure.getString(getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
+		return !TextUtils.isEmpty(locationProviders);
+	}
+
+	private boolean isLocationEnabled() {
+		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
+			return isLocationEnabledKitkat();
+		}else{
+			return isLocationEnabledLegacy();
+		}
+	}
+}
diff --git a/src/main/java/eu/siacs/conversations/ui/ShowLocationActivity.java b/src/main/java/eu/siacs/conversations/ui/ShowLocationActivity.java
new file mode 100644
index 000000000..79219a01c
--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/ui/ShowLocationActivity.java
@@ -0,0 +1,101 @@
+package eu.siacs.conversations.ui;
+
+import android.app.ActionBar;
+import android.app.Activity;
+import android.content.Intent;
+import android.location.Location;
+import android.os.Bundle;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Button;
+
+import eu.siacs.conversations.Config;
+import eu.siacs.conversations.R;
+
+import com.google.android.gms.common.ConnectionResult;
+import com.google.android.gms.common.api.GoogleApiClient;
+import com.google.android.gms.location.LocationListener;
+import com.google.android.gms.location.LocationRequest;
+import com.google.android.gms.location.LocationServices;
+import com.google.android.gms.maps.CameraUpdateFactory;
+import com.google.android.gms.maps.GoogleMap;
+import com.google.android.gms.maps.MapFragment;
+import com.google.android.gms.maps.OnMapReadyCallback;
+import com.google.android.gms.maps.model.LatLng;
+import com.google.android.gms.maps.model.MarkerOptions;
+
+public class ShowLocationActivity extends Activity implements OnMapReadyCallback {
+
+	private GoogleMap mGoogleMap;
+	private LatLng mLocation;
+	private String mLocationName;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+
+		ActionBar actionBar = getActionBar();
+		if (actionBar != null) {
+			actionBar.setDisplayHomeAsUpEnabled(true);
+		}
+
+		setContentView(R.layout.show_locaction_activity);
+		MapFragment fragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map_fragment);
+		fragment.getMapAsync(this);
+	}
+
+	@Override
+	public boolean onOptionsItemSelected(MenuItem item) {
+		switch (item.getItemId()) {
+			case android.R.id.home:
+				finish();
+				return true;
+		}
+		return super.onOptionsItemSelected(item);
+	}
+
+	@Override
+	protected void onResume() {
+		super.onResume();
+		Intent intent = getIntent();
+
+		this.mLocationName = intent != null ? intent.getStringExtra("name") : null;
+
+		if (intent != null && intent.hasExtra("longitude") && intent.hasExtra("latitude")) {
+			double longitude = intent.getDoubleExtra("longitude",0);
+			double latitude = intent.getDoubleExtra("latitude",0);
+			this.mLocation = new LatLng(latitude,longitude);
+			if (this.mGoogleMap != null) {
+				markAndCenterOnLocation(this.mLocation, this.mLocationName);
+			}
+		}
+	}
+
+	@Override
+	protected void onPause() {
+		super.onPause();
+	}
+
+	@Override
+	public void onMapReady(GoogleMap googleMap) {
+		this.mGoogleMap = googleMap;
+		this.mGoogleMap.setMyLocationEnabled(true);
+		if (this.mLocation != null) {
+			this.markAndCenterOnLocation(this.mLocation,this.mLocationName);
+		}
+	}
+
+	private void markAndCenterOnLocation(LatLng location, String name) {
+		this.mGoogleMap.clear();
+		MarkerOptions options = new MarkerOptions();
+		options.position(location);
+		if (name != null) {
+			options.title(name);
+			this.mGoogleMap.addMarker(options).showInfoWindow();
+		} else {
+			this.mGoogleMap.addMarker(options);
+		}
+		this.mGoogleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(location, Config.DEFAULT_ZOOM));
+	}
+
+}