| <!DOCTYPE html> |
| <style> |
| body { |
| height: 2000px; |
| width: 2000px; |
| } |
| ::-webkit-scrollbar { |
| width: 20px; |
| height: 20px; |
| } /* this targets the default scrollbar (compulsory) */ |
| |
| ::-webkit-scrollbar-track { |
| background-color: #b46868; |
| } /* the new scrollbar will have a flat appearance with the set background color */ |
| |
| ::-webkit-scrollbar-thumb { |
| background-color: rgba(0, 0, 0, 0.2); |
| } /* this will style the thumb, ignoring the track */ |
| </style> |
| |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script> |
| var browserZoomFactor = 1.25; |
| var pageScaleFactor = 2; |
| var scrollbarWidthCSSPixels = 20 / pageScaleFactor; |
| var scrollbaHeightCSSPixels = 20 / pageScaleFactor; |
| |
| function viewport() { |
| return window.visualViewport; |
| } |
| |
| async_test(function(t) { |
| window.onload = t.step_func(function() { |
| // TODO(ymalik): Remove hook to internals to pinch-zoom here and browser |
| // zoom below. This will be required to upstream to w3c repo. |
| internals.setPageScaleFactor(pageScaleFactor); |
| |
| // Verify viewport dimensions exclude scrollbar. |
| assert_equals( |
| viewport().width, |
| 800 / pageScaleFactor - scrollbarWidthCSSPixels, |
| "Width with pinch-zoom"); |
| assert_equals( |
| viewport().height, 600 / pageScaleFactor - scrollbaHeightCSSPixels, |
| "Height with pinch-zoom"); |
| |
| // Apply browser zoom. |
| window.internals.setZoomFactor(browserZoomFactor); |
| |
| // Verify scrollbar exclusion with browser zoom. Custom scrollbars are |
| // scaled with browser zoom but remain unchanged with pinch zoom. |
| assert_equals( |
| viewport().width, |
| 800 / browserZoomFactor / pageScaleFactor - scrollbarWidthCSSPixels, |
| "Width with pinch-zoom and browser-zoom"); |
| assert_equals( |
| viewport().height, |
| 600 / browserZoomFactor / pageScaleFactor - scrollbaHeightCSSPixels, |
| "Height with pinch-zoom and browser-zoom"); |
| t.done(); |
| }); |
| }, 'Verify viewport dimensions exclude custom scrollbars.'); |
| </script> |
