Fixed race condition for replacing a tiledImage where the world may have changed before the new tiledImage loads. Added test for replacing with addTiledImage.

This commit is contained in:
Larissa Smith 2015-08-21 11:01:32 -06:00
parent f13691f60d
commit 7076d64b1b
2 changed files with 36 additions and 14 deletions

View File

@ -1225,6 +1225,10 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
var _this = this;
if (options.replace) {
options.replaceItem = _this.world.getItemAt(options.index);
}
this._hideMessage();
if (options.placeholderFillStyle === undefined) {
@ -1290,7 +1294,11 @@ $.extend( $.Viewer.prototype, $.EventSource.prototype, $.ControlDock.prototype,
_this._loadQueue.splice(0, 1);
if (queueItem.options.replace) {
_this.world.removeItem(_this.world.getItemAt(queueItem.options.index));
var newIndex = _this.world.getIndexOfItem(options.replaceItem);
if (newIndex != -1) {
options.index = newIndex;
}
_this.world.removeItem(options.replaceItem);
}
tiledImage = new $.TiledImage({

View File

@ -27,7 +27,7 @@
// ----------
asyncTest( 'Multi-image operations', function() {
expect( 21 );
expect( 24 );
viewer.addHandler( "open", function( ) {
equal( 1, viewer.world.getItemCount( ),
"One item should be present after opening." );
@ -95,22 +95,36 @@
equal( viewer.world.getIndexOfItem( item2 ), 1,
"Item 2 should stay at index 1." );
viewer.world.addHandler( "remove-item", function removeItemHandler( event ) {
viewer.world.removeHandler( "remove-item", removeItemHandler );
options.index = 2;
options.replace = true;
viewer.addTiledImage( options );
viewer.world.addHandler( "add-item", function replaceAddItemHandler( event ) {
viewer.world.removeHandler( "add-item", replaceAddItemHandler );
var item4 = event.item;
equal( viewer.world.getItemCount( ), 4,
"4 items should still be present after replacing the second item." );
equal( viewer.world.getIndexOfItem( item4 ), 2,
"Item 4 should be added with index 2." );
equal( viewer.world.getIndexOfItem( item3 ), -1,
"Item 3 should be at index -1." );
equal( item2, event.item, "Removed item should be item2." );
viewer.world.addHandler( "remove-item", function removeItemHandler( event ) {
viewer.world.removeHandler( "remove-item", removeItemHandler );
equal( viewer.world.getIndexOfItem( item1 ), 2,
"Item 1 should be at index 2." );
equal( viewer.world.getIndexOfItem( item2 ), -1,
"Item 2 should be at index -1." );
equal( viewer.world.getIndexOfItem( item3 ), 1,
"Item 3 should be at index 1." );
equal( item2, event.item, "Removed item should be item2." );
start();
equal( viewer.world.getIndexOfItem( item1 ), 2,
"Item 1 should be at index 2." );
equal( viewer.world.getIndexOfItem( item2 ), -1,
"Item 2 should be at index -1." );
equal( viewer.world.getIndexOfItem( item4 ), 1,
"Item 4 should be at index 1." );
start();
});
viewer.world.removeItem( item2 );
});
viewer.world.removeItem( item2 );
});
});
});