107 lines
2.6 KiB
JavaScript
107 lines
2.6 KiB
JavaScript
goog.provide('ol.renderer.dom.Map');
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goog.require('goog.array');
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goog.require('goog.asserts');
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goog.require('goog.dom');
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goog.require('goog.dom.TagName');
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goog.require('goog.object');
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goog.require('goog.style');
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goog.require('ol.css');
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goog.require('ol.layer.ImageLayer');
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goog.require('ol.layer.TileLayer');
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goog.require('ol.renderer.Map');
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goog.require('ol.renderer.dom.ImageLayer');
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goog.require('ol.renderer.dom.TileLayer');
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/**
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* @constructor
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* @extends {ol.renderer.Map}
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* @param {Element} container Container.
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* @param {ol.Map} map Map.
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*/
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ol.renderer.dom.Map = function(container, map) {
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goog.base(this, container, map);
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/**
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* @type {!Element}
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* @private
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*/
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this.layersPane_ = goog.dom.createElement(goog.dom.TagName.DIV);
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this.layersPane_.className = 'ol-layers ' + ol.css.CLASS_UNSELECTABLE;
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var style = this.layersPane_.style;
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style.position = 'absolute';
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style.width = '100%';
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style.height = '100%';
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goog.dom.insertChildAt(container, this.layersPane_, 0);
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/**
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* @private
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* @type {boolean}
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*/
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this.renderedVisible_ = true;
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};
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goog.inherits(ol.renderer.dom.Map, ol.renderer.Map);
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/**
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* @inheritDoc
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*/
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ol.renderer.dom.Map.prototype.createLayerRenderer = function(layer) {
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var layerRenderer;
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if (layer instanceof ol.layer.TileLayer) {
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layerRenderer = new ol.renderer.dom.TileLayer(this, layer);
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} else if (layer instanceof ol.layer.ImageLayer) {
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layerRenderer = new ol.renderer.dom.ImageLayer(this, layer);
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} else {
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goog.asserts.fail();
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return null;
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}
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goog.dom.appendChild(this.layersPane_, layerRenderer.getTarget());
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return layerRenderer;
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};
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/**
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* @inheritDoc
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*/
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ol.renderer.dom.Map.prototype.renderFrame = function(frameState) {
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if (goog.isNull(frameState)) {
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if (this.renderedVisible_) {
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goog.style.showElement(this.layersPane_, false);
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this.renderedVisible_ = false;
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}
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return;
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}
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goog.array.forEach(frameState.layersArray, function(layer) {
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var layerRenderer = this.getLayerRenderer(layer);
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var layerState = frameState.layerStates[goog.getUid(layer)];
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if (layerState.ready) {
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layerRenderer.renderFrame(frameState, layerState);
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}
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}, this);
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goog.object.forEach(
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this.getLayerRenderers(),
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function(layerRenderer, layerKey) {
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if (!(layerKey in frameState.layerStates)) {
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goog.dom.removeNode(layerRenderer.getTarget());
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}
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});
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if (!this.renderedVisible_) {
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goog.style.showElement(this.layersPane_, true);
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this.renderedVisible_ = true;
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}
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this.calculateMatrices2D(frameState);
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this.scheduleRemoveUnusedLayerRenderers(frameState);
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};
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