elemental.dom.Geolocation Maven / Gradle / Ivy
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/*
* Copyright 2012 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package elemental.dom;
import elemental.events.*;
import elemental.util.*;
import elemental.dom.*;
import elemental.html.*;
import elemental.css.*;
import elemental.stylesheets.*;
import java.util.Date;
/**
*
*/
public interface Geolocation {
/**
* When the clearWatch()
method is called, the watch()
process stops calling for new position identifiers and cease invoking callbacks.
*/
void clearWatch(int watchId);
/**
* Acquires the user's current position via a new position object. If this fails, errorCallback
is invoked with an nsIDOMGeoPositionError
argument.
Parameters
successCallback
- An
nsIDOMGeoPositionCallback
to be called when the current position is available.
errorCallback
- An
nsIDOMGeoPositionErrorCallback
that is called if an error occurs while retrieving the position; this parameter is optional.
options
- An
nsIDOMGeoPositionOptions
object specifying options; this parameter is optional.
*/
void getCurrentPosition(PositionCallback successCallback);
/**
* Acquires the user's current position via a new position object. If this fails, errorCallback
is invoked with an nsIDOMGeoPositionError
argument.
Parameters
successCallback
- An
nsIDOMGeoPositionCallback
to be called when the current position is available.
errorCallback
- An
nsIDOMGeoPositionErrorCallback
that is called if an error occurs while retrieving the position; this parameter is optional.
options
- An
nsIDOMGeoPositionOptions
object specifying options; this parameter is optional.
*/
void getCurrentPosition(PositionCallback successCallback, PositionErrorCallback errorCallback);
/**
* Similar to getCurrentPosition()
, except it continues to call the callback with updated position information periodically until clearWatch()
is called.
Parameters
successCallback
- An
nsIDOMGeoPositionCallback
that is to be called whenever new position information is available.
errorCallback
- An
nsIDOMGeoPositionErrorCallback
to call when an error occurs; this is an optional parameter.
options
- An
nsIDOMGeoPositionOptions
object specifying options; this parameter is optional.
Return value
An ID number that can be used to reference the watcher in the future when calling clearWatch()
.
*/
int watchPosition(PositionCallback successCallback);
/**
* Similar to getCurrentPosition()
, except it continues to call the callback with updated position information periodically until clearWatch()
is called.
Parameters
successCallback
- An
nsIDOMGeoPositionCallback
that is to be called whenever new position information is available.
errorCallback
- An
nsIDOMGeoPositionErrorCallback
to call when an error occurs; this is an optional parameter.
options
- An
nsIDOMGeoPositionOptions
object specifying options; this parameter is optional.
Return value
An ID number that can be used to reference the watcher in the future when calling clearWatch()
.
*/
int watchPosition(PositionCallback successCallback, PositionErrorCallback errorCallback);
}