| <!DOCTYPE html> <!-- webkit-test-runner [ SpatialPortalEnabled=true ModelElementEnabled=true ModelProcessEnabled=true allowTestOnlyIPC=true ] --> |
| <html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="../resources/ui-helper.js"></script> |
| <script src="../model-element/resources/model-utils.js"></script> |
| <script src="resources/spatial-portal-utils.js"></script> |
| <style> |
| .spacer { height: 500vh; } |
| #portal { spatial: portal; width: 300px; height: 150px; } |
| </style> |
| <body> |
| <div class="spacer"></div> |
| <div id="portal"></div> |
| <script> |
| 'use strict'; |
| |
| promise_test(async t => { |
| // Must precede the portal's player: the unload delay is disabled per player at creation. |
| internals.disableModelLoadDelaysForTesting(); |
| |
| const portal = document.getElementById("portal"); |
| |
| const model = document.createElement("model"); |
| t.add_cleanup(() => model.remove()); |
| portal.appendChild(model); |
| const source = document.createElement("source"); |
| source.src = "../model-element/resources/cube.usdz"; |
| model.appendChild(source); |
| |
| portal.scrollIntoView(); |
| await model.ready; |
| assert_equals(internals.modelElementState(model), "Loaded", "portal loads the model once scrolled into view"); |
| |
| // The observer uses a 100% scroll margin, so scroll a full page away. |
| window.scrollTo(0, 0); |
| await waitFor(() => internals.modelElementState(model) != "Loaded", "the model to unload"); |
| assert_equals(internals.numberOfHostedModelsInSpatialPortal(portal), 1, "the portal still hosts the child while unloaded"); |
| |
| portal.scrollIntoView(); |
| await waitFor(() => internals.modelElementState(model) == "Loaded", "the model to reload"); |
| }, "A <model> in a spatial portal unloads when scrolled out of view and reloads when scrolled back"); |
| </script> |
| </body> |
| </html> |
