webinos geolocation API

Service Type: http://webinos.org/api/w3c/geolocation

The geolocation API is based on W3C geolocation.

Installation

To install the geolocation API you will need to npm the node module inside the webinos pzp.

For end users, you can simply open a command prompt in the root of your webinos-pzp and do:

npm install https://github.com/webinos/webinos-api-geolocation.git

For developers that want to tweak the API, you should fork this repository and clone your fork inside the node_module of your pzp.

cd node_modules
git clone https://github.com/<your GitHub account>/webinos-api-geolocation.git
cd webinos-api-geolocation
npm install

Getting a reference to the service

To discover the service you will have to search for the "http://webinos.org/api/w3c/geolocation" type. Example:

var serviceType = "http://webinos.org/api/w3c/geolocation";
webinos.discovery.findServices( new ServiceType(serviceType), 
	{ 
		onFound: serviceFoundFn, 
		onError: handleErrorFn
	}
);
function serviceFoundFn(service){
	// Do something with the service
};
function handleErrorFn(error){
	// Notify user
	console.log(error.message);
}

Alternatively you can use the webinos dashboard to allow the user choose the geolocation API to use. Example:

webinos.dashboard.open({
     module:'explorer',
     data:{
     	service:[
        	'http://webinos.org/api/w3c/geolocation'
     	],
        select:"services"
     }
 }).onAction(function successFn(data){
	  if (data.result.length > 0){
		// User selected some services
	  }
 });

Methods

Once you have a reference to an instance of a service you can use the following methods:

###getCurrentPosition(positionCB, positionErrorCB, positionOptions)

getCurrentPosition method retrieves the current position

• The param positionCB is called with the current position in case of success
• The param positionErrorCB an Error callback.
• positionOptions is an optional object to configure the behaviour of getCurrentPosition.

###watchPosition(positionCB, positionErrorCB, positionOptions)

watchPosition method registers a listener for position updates.

• The param positionCB Callbacks for position updates.
• The param positionErrorCB an Error callback.
• The param positionOptions an Optional options.

###clearWatch(watchId)

clearWatch method clears a listener registered with watch Position

• The watchId parameter as returned by

Links

• Specifications
• Examples