goog.provide('ol.source.Source');
goog.provide('ol.source.State');
goog.require('goog.events.EventType');
goog.require('ol.Attribution');
goog.require('ol.Object');
goog.require('ol.proj');
/**
* State of the source, one of 'undefined', 'loading', 'ready' or 'error'.
* @enum {string}
* @api
*/
ol.source.State = {
UNDEFINED: 'undefined',
LOADING: 'loading',
READY: 'ready',
ERROR: 'error'
};
/**
* @typedef {{attributions: (Array.<ol.Attribution>|undefined),
* logo: (string|olx.LogoOptions|undefined),
* projection: ol.proj.ProjectionLike,
* state: (ol.source.State|undefined)}}
*/
ol.source.SourceOptions;
/**
* @classdesc
* Abstract base class; normally only used for creating subclasses and not
* instantiated in apps.
* Base class for {@link ol.layer.Layer} sources.
*
* @constructor
* @extends {ol.Object}
* @fires change Triggered when the state of the source changes.
* @param {ol.source.SourceOptions} options Source options.
* @api stable
*/
ol.source.Source = function(options) {
goog.base(this);
/**
* @private
* @type {ol.proj.Projection}
*/
this.projection_ = ol.proj.get(options.projection);
/**
* @private
* @type {Array.<ol.Attribution>}
*/
this.attributions_ = goog.isDef(options.attributions) ?
options.attributions : null;
/**
* @private
* @type {string|olx.LogoOptions|undefined}
*/
this.logo_ = options.logo;
/**
* @private
* @type {ol.source.State}
*/
this.state_ = goog.isDef(options.state) ?
options.state : ol.source.State.READY;
};
goog.inherits(ol.source.Source, ol.Object);
/**
* @param {ol.Coordinate} coordinate Coordinate.
* @param {number} resolution Resolution.
* @param {number} rotation Rotation.
* @param {Object.<string, boolean>} skippedFeatureUids Skipped feature uids.
* @param {function(ol.Feature): T} callback Feature callback.
* @return {T|undefined} Callback result.
* @template T
*/
ol.source.Source.prototype.forEachFeatureAtCoordinate =
goog.nullFunction;
/**
* @return {Array.<ol.Attribution>} Attributions.
* @api stable
*/
ol.source.Source.prototype.getAttributions = function() {
return this.attributions_;
};
/**
* @return {string|olx.LogoOptions|undefined} Logo.
* @api stable
*/
ol.source.Source.prototype.getLogo = function() {
return this.logo_;
};
/**
* @return {ol.proj.Projection} Projection.
* @api
*/
ol.source.Source.prototype.getProjection = function() {
return this.projection_;
};
/**
* @return {Array.<number>|undefined} Resolutions.
*/
ol.source.Source.prototype.getResolutions = goog.abstractMethod;
/**
* @return {ol.source.State} State.
* @api
*/
ol.source.Source.prototype.getState = function() {
return this.state_;
};
/**
* @param {Array.<ol.Attribution>} attributions Attributions.
*/
ol.source.Source.prototype.setAttributions = function(attributions) {
this.attributions_ = attributions;
};
/**
* @param {string|olx.LogoOptions|undefined} logo Logo.
*/
ol.source.Source.prototype.setLogo = function(logo) {
this.logo_ = logo;
};
/**
* @param {ol.source.State} state State.
* @protected
*/
ol.source.Source.prototype.setState = function(state) {
this.state_ = state;
this.changed();
};
/**
* @param {ol.proj.Projection} projection Projetion.
*/
ol.source.Source.prototype.setProjection = function(projection) {
this.projection_ = projection;
};