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Lazily create interim tiles (fixes most tests)

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This commit is contained in:
ahocevar
2018-11-16 15:01:00 +01:00
parent d6add33df0
commit edbe2316ef
2 changed files with 31 additions and 23 deletions
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47
src/ol/VectorImageTile.js
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@@ -103,8 +103,6 @@ class VectorImageTile extends Tile {
*/
this.sourceTileListenerKeys_ = [];
this.sourceTilesLoaded = false;
/**
* Use only source tiles that are loaded already
* @type {boolean}
@@ -150,35 +148,44 @@ class VectorImageTile extends Tile {
this.finishLoading_();
}
if (!this.sourceTilesLoaded && !useLoadedOnly) {
let bestZoom = -1;
for (const key in sourceTiles) {
const sourceTile = sourceTiles[key];
if (sourceTile.getState() === TileState.LOADED) {
const sourceTileCoord = sourceTile.tileCoord;
const sourceTileExtent = sourceTileGrid.getTileCoordExtent(sourceTileCoord);
if (containsExtent(sourceTileExtent, extent) && sourceTileCoord[0] > bestZoom) {
bestZoom = sourceTileCoord[0];
this.createInterimTile_ = function() {
if (this.getState() !== TileState.LOADED && !useLoadedOnly) {
let bestZoom = -1;
for (const key in sourceTiles) {
const sourceTile = sourceTiles[key];
if (sourceTile.getState() === TileState.LOADED) {
const sourceTileCoord = sourceTile.tileCoord;
const sourceTileExtent = sourceTileGrid.getTileCoordExtent(sourceTileCoord);
if (containsExtent(sourceTileExtent, extent) && sourceTileCoord[0] > bestZoom) {
bestZoom = sourceTileCoord[0];
}
}
}
}
if (bestZoom !== -1) {
const tile = new VectorImageTile(tileCoord, state, sourceRevision,
format, tileLoadFunction, urlTileCoord, tileUrlFunction,
sourceTileGrid, tileGrid, sourceTiles, pixelRatio, projection,
tileClass, VOID, bestZoom);
this.interimTile = tile;
}
if (bestZoom !== -1) {
const tile = new VectorImageTile(tileCoord, state, sourceRevision,
format, tileLoadFunction, urlTileCoord, tileUrlFunction,
sourceTileGrid, tileGrid, sourceTiles, pixelRatio, projection,
tileClass, VOID, bestZoom);
this.interimTile = tile;
}
}
}
}
}
getInterimTile() {
if (!this.interimTile) {
this.createInterimTile_();
}
return super.getInterimTile();
}
/**
* @inheritDoc
*/
disposeInternal() {
this.getInterimTile = super.getInterimTile;
delete this.createInterimTile_;
this.state = TileState.ABORT;
this.changed();
if (this.interimTile) {