| <head> |
| <script src="../resources/js-test.js"></script> |
| <style> |
| body { |
| /* Hide the horizontal-scrollbar so that clicking right at the |
| bottom of the vertical scrollbar will trigger a scroll */ |
| overflow-x: hidden; |
| } |
| #container { |
| /* The plugin is guaranteed not to be in the margin. */ |
| margin-left: 10px; |
| } |
| </style> |
| </head> |
| <body> |
| <div id="container"></div> |
| <pre id="console"></pre> |
| </body> |
| <script> |
| description('This tests whether scrolling still works correctly when an ' |
| + 'overlay scrollbar is over a plugin. Clicking on the overlay scrollbar ' |
| + 'should cause it to activate and capture input.'); |
| |
| window.jsTestIsAsync = true; |
| var startLogging = false; |
| var eventHistory = []; |
| |
| function runTest() { |
| // Mouse down on the scrollbar thumb which is over the plugin. |
| eventSender.mouseMoveTo(window.innerWidth - 1, |
| 15); |
| eventSender.mouseDown(); |
| // Drag the thumb down but move off the thumb, the plugin shouldn't |
| // receive any events because there shouldn't be any mouse capture. |
| eventSender.mouseMoveTo(window.innerWidth - 20, window.innerHeight - 10); |
| // A mouse up will be received because when dragging off a |
| // scrollbar and releasing, it dispatches an event to the last |
| // element under the mouse. |
| eventSender.mouseUp(); |
| |
| // The scrollbar captures the input and the plugin should not receive |
| // events. |
| shouldBe('eventHistory.length', '0'); |
| requestAnimationFrame(function() { |
| shouldBeTrue('window.scrollY > 0'); |
| finishJSTest(); |
| }); |
| } |
| |
| window.onload = function() { |
| if (!window.eventSender || !window.internals) { |
| finishJSTest(); |
| return; |
| } |
| |
| // TODO(bokan): This doesn't really enable overlays since it flips the |
| // RuntimeEnabledFeature after the ScrollbarTheme is initialized. It |
| // makes the non overlay scrollbars think they're overlay so it works |
| // for this test but it should probably be in a unit test. |
| internals.runtimeFlags.overlayScrollbarsEnabled = true; |
| |
| var d = document.getElementById('container'); |
| internals.setScrollbarVisibilityInScrollableArea(d, true); |
| |
| var plugin = document.createElement('object'); |
| plugin.type = 'application/x-blink-test-plugin'; |
| plugin.width = window.innerWidth * 2; |
| plugin.height = window.innerHeight * 2; |
| plugin.addEventListener('mousedown', function(e) { |
| startLogging = true; |
| eventHistory.push('plugin.mousedown'); |
| }); |
| plugin.addEventListener('mouseup', function(e) { |
| if (startLogging) |
| eventHistory.push('plugin.mouseup'); |
| }); |
| plugin.addEventListener('mousemove', function(e) { |
| if (startLogging) |
| eventHistory.push('plugin.mousemove'); |
| }); |
| d.appendChild(plugin); |
| |
| runTest(); |
| } |
| </script> |
