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Don't repeatedly render while waiting for tiles to load

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Instead of going into an unnecessary animation loop, we can simply wait to be notified when tiles load.

The WebGL renderer still sets frameState.animate true, but I think this too should be unnecessary (full page example works without it, side-by-side example shows it cannot yet be removed).
This commit is contained in:
Tim Schaub
2013-02-06 16:10:46 -07:00
parent 2bd29ff60e
commit e079c19413
4 changed files with 21 additions and 8 deletions
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15
src/ol/renderer/layerrenderer.js
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@@ -4,8 +4,10 @@ goog.require('goog.events');
goog.require('goog.events.EventType');
goog.require('ol.FrameState');
goog.require('ol.Object');
goog.require('ol.Tile');
goog.require('ol.TileCoord');
goog.require('ol.TileRange');
goog.require('ol.TileState');
goog.require('ol.layer.Layer');
goog.require('ol.layer.LayerProperty');
goog.require('ol.layer.LayerState');
@@ -147,6 +149,19 @@ ol.renderer.Layer.prototype.handleLayerVisibleChange = function() {
};
/**
* Handle changes in tile state.
* @param {goog.events.Event} event Tile change event.
* @protected
*/
ol.renderer.Layer.prototype.handleTileChange = function(event) {
var tile = /** @type {ol.Tile} */ (event.target);
if (tile.getState() === ol.TileState.LOADED) {
this.getMap().requestRenderFrame();
}
};
/**
* @param {ol.FrameState} frameState Frame state.
* @param {ol.layer.LayerState} layerState Layer state.