Enhancement: getVisibleRegion

[fschmidt]

Hey there again. We needed a function to get the lat lng boundaries the map is currently showing and figured others may need it too so I'm sharing the code with you:

_ANDROID_*

@SuppressWarnings("unused")
   private void getVisibleRegion(final JSONArray args, final CallbackContext callbackContext) {
      try {
         final VisibleRegion visibleRegion = map.getProjection().getVisibleRegion();
         final LatLngBounds latLngBounds = visibleRegion.latLngBounds;
         final JSONObject result = new JSONObject();
         final JSONObject northeast = new JSONObject();
         final JSONObject southwest = new JSONObject();
         northeast.put("lat", latLngBounds.northeast.latitude);
         northeast.put("lng", latLngBounds.northeast.longitude);
         southwest.put("lat", latLngBounds.southwest.latitude);
         southwest.put("lng", latLngBounds.southwest.longitude);
         result.put("northeast", northeast);
         result.put("southwest", southwest);
         callbackContext.success(result);
      } catch (final JSONException e) {
         // TODO Handle exception
         throw new RuntimeException("Unhandeled Exception!", e);
      }
   }

_END_ANDROID_*

_iOS_*

- (void)getVisibleRegion:(CDVInvokedUrlCommand*)command {
    GMSVisibleRegion visibleRegion = self.mapCtrl.map.projection.visibleRegion;
    GMSCoordinateBounds *bounds = [[GMSCoordinateBounds alloc] initWithRegion:visibleRegion];
    NSMutableDictionary *json = [NSMutableDictionary dictionary];
    NSMutableDictionary *northeast = [NSMutableDictionary dictionary];
    [northeast setObject:[NSNumber numberWithFloat:bounds.northEast.latitude] forKey:@"lat"];
    [northeast setObject:[NSNumber numberWithFloat:bounds.northEast.longitude] forKey:@"lng"];
    [json setObject:northeast forKey:@"northeast"];
    NSMutableDictionary *southwest = [NSMutableDictionary dictionary];
    [southwest setObject:[NSNumber numberWithFloat:bounds.southWest.latitude] forKey:@"lat"];
    [southwest setObject:[NSNumber numberWithFloat:bounds.southWest.longitude] forKey:@"lng"];
    [json setObject:southwest forKey:@"southwest"];
    CDVPluginResult* pluginResult = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:json];
    [self.commandDelegate sendPluginResult:pluginResult callbackId:command.callbackId];
}

_END_iOS_*
***_JAVASCRIPT_

getVisibleRegion = function(successCallback, errorCallback) {
    cordova.exec(successCallback, self.errorHandler, PLUGIN_NAME, 'exec', ['Map.getVisibleRegion']);
 };

***_END_JAVASCRIPT_

[fschmidt]

Let me know if you need something if you decide to implement this.

[wf9a5m75]

Thank you. I will check.

[wf9a5m75]

Close with #33