94 lines
1.5 KiB
JavaScript
94 lines
1.5 KiB
JavaScript
// FIXME should inQueue be private?
|
|
|
|
goog.provide('ol.Tile');
|
|
goog.provide('ol.TileState');
|
|
|
|
goog.require('goog.events');
|
|
goog.require('goog.events.EventTarget');
|
|
goog.require('goog.events.EventType');
|
|
goog.require('ol.TileCoord');
|
|
|
|
|
|
/**
|
|
* @enum {number}
|
|
*/
|
|
ol.TileState = {
|
|
IDLE: 0,
|
|
LOADING: 1,
|
|
LOADED: 2,
|
|
ERROR: 3,
|
|
EMPTY: 4
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
* @constructor
|
|
* @extends {goog.events.EventTarget}
|
|
* @param {ol.TileCoord} tileCoord Tile coordinate.
|
|
* @param {ol.TileState} state State.
|
|
*/
|
|
ol.Tile = function(tileCoord, state) {
|
|
|
|
goog.base(this);
|
|
|
|
/**
|
|
* @type {ol.TileCoord}
|
|
*/
|
|
this.tileCoord = tileCoord;
|
|
|
|
/**
|
|
* @protected
|
|
* @type {ol.TileState}
|
|
*/
|
|
this.state = state;
|
|
|
|
};
|
|
goog.inherits(ol.Tile, goog.events.EventTarget);
|
|
|
|
|
|
/**
|
|
* @protected
|
|
*/
|
|
ol.Tile.prototype.dispatchChangeEvent = function() {
|
|
this.dispatchEvent(goog.events.EventType.CHANGE);
|
|
};
|
|
|
|
|
|
/**
|
|
* @param {Object=} opt_context Object.
|
|
* @return {HTMLCanvasElement|HTMLImageElement|HTMLVideoElement} Image.
|
|
*/
|
|
ol.Tile.prototype.getImage = goog.abstractMethod;
|
|
|
|
|
|
/**
|
|
* @return {string} Key.
|
|
*/
|
|
ol.Tile.prototype.getKey = function() {
|
|
return goog.getUid(this).toString();
|
|
};
|
|
|
|
|
|
/**
|
|
* @return {ol.TileCoord}
|
|
* @todo stability experimental
|
|
*/
|
|
ol.Tile.prototype.getTileCoord = function() {
|
|
return this.tileCoord;
|
|
};
|
|
|
|
|
|
/**
|
|
* @return {ol.TileState} State.
|
|
*/
|
|
ol.Tile.prototype.getState = function() {
|
|
return this.state;
|
|
};
|
|
|
|
|
|
/**
|
|
* FIXME empty description for jsdoc
|
|
*/
|
|
ol.Tile.prototype.load = goog.abstractMethod;
|