| <!DOCTYPE html> |
| <style> |
| body { |
| height: 2000px; |
| width: 2000px; |
| } |
| </style> |
| |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script src="../../../resources/gesture-util.js"></script> |
| <script> |
| var numCallsScroll = 0; |
| var numCallsResize = 0; |
| var pageScaleFactor = 2; |
| var source = GestureSourceType.MOUSE_INPUT; |
| |
| var t = async_test('verify that the scroll and resize events get fired on window.visualViewport'); |
| |
| window.onload = async () => { |
| window.visualViewport.addEventListener('scroll', function(e) { |
| numCallsScroll++; |
| }); |
| |
| window.visualViewport.addEventListener('resize', function(e) { |
| numCallsResize++; |
| }); |
| |
| // Register the event handlers after the waitForCompositorCommit. |
| await waitForCompositorCommit(); |
| numCallsScroll = 0; |
| numCallsResize = 0; |
| |
| // Scroll both viewports. |
| await smoothScroll(100, 100, 100, source, 'downright', SPEED_INSTANT); |
| |
| chrome.gpuBenchmarking.setPageScaleFactor(pageScaleFactor); |
| |
| // Verify viewport dimensions exclude scrollbar. |
| requestAnimationFrame(function() { |
| t.step(function() { |
| assert_equals(numCallsScroll, 0, "scroll listener not called for scale"); |
| assert_equals(numCallsResize, 1, "resize listener called for scale"); |
| }); |
| internals.setVisualViewportOffset(10, 10); |
| requestAnimationFrame(function() { |
| t.step(function() { |
| assert_equals(numCallsScroll, 1, "scroll listener called for offset change"); |
| assert_equals(numCallsResize, 1, "resize listener not called for offset change"); |
| }); |
| t.done(); |
| }); |
| }); |
| } |
| </script> |
