| <!DOCTYPE html> |
| <style> |
| #box { |
| position: absolute; |
| } |
| </style> |
| <div id=box></div> |
| <script src="../../../resources/js-test.js"></script> |
| <script> |
| description("Check which type of events trigger layout when it's dirty. Events that do a hit-test must update layout, but all other events shouldn't need to."); |
| |
| var counter = 10; |
| function triggersLayout(action) { |
| // Dirty layout |
| box.style.height = counter + 'px'; |
| counter++; |
| internals.updateStyleAndReturnAffectedElementCount(); |
| shouldNotBe('internals.needsLayoutCount()', '0', true); |
| |
| // Run the action under test |
| action(); |
| |
| return (internals.needsLayoutCount() == 0); |
| } |
| |
| var triggeredLayout; |
| var jsTestIsAsync = true; |
| |
| onload = function() { |
| var targetX = 5; |
| var targetY = 5; |
| setPrintTestResultsLazily(); |
| eventSender.forceLayoutOnEvents = false; |
| |
| // EventHandler::hitTestResultAtPoint exits early when the first layout has not yet occurred. |
| debug('Forcing initial layout'); |
| document.body.offsetTop; |
| shouldBeZero('internals.needsLayoutCount()'); |
| |
| debug('Sending touchstart'); |
| triggeredLayout = triggersLayout(function() { |
| eventSender.addTouchPoint(targetX, targetY); |
| eventSender.touchStart(); |
| }); |
| shouldBeTrue('triggeredLayout'); |
| |
| debug('Sending touchmove'); |
| triggeredLayout = triggersLayout(function() { |
| eventSender.updateTouchPoint(0, targetX + 1, targetY); |
| eventSender.touchStart(); |
| }); |
| shouldBeFalse('triggeredLayout'); |
| |
| debug('Sending touchend'); |
| triggeredLayout = triggersLayout(function() { |
| eventSender.releaseTouchPoint(0); |
| eventSender.touchEnd(); |
| }); |
| shouldBeFalse('triggeredLayout'); |
| |
| debug('Sending GestureTapDown'); |
| triggeredLayout = triggersLayout(function() { |
| eventSender.gestureTapDown(targetX, targetY); |
| }); |
| shouldBeTrue('triggeredLayout'); |
| |
| debug('Sending GestureShowPress'); |
| triggeredLayout = triggersLayout(function() { |
| eventSender.gestureShowPress(targetX, targetY); |
| }); |
| shouldBeTrue('triggeredLayout'); |
| |
| debug('Sending GestureScrollBegin'); |
| triggeredLayout = triggersLayout(function() { |
| eventSender.gestureScrollBegin(targetX, targetY); |
| }); |
| shouldBeTrue('triggeredLayout'); |
| |
| debug('Sending GestureScrollUpdate'); |
| triggeredLayout = triggersLayout(function() { |
| eventSender.gestureScrollUpdate(0, 5); |
| }); |
| shouldBeTrue('triggeredLayout'); |
| |
| debug('Sending GestureScrollEnd'); |
| triggeredLayout = triggersLayout(function() { |
| eventSender.gestureScrollEnd(0, 5); |
| }); |
| shouldBeFalse('triggeredLayout'); |
| |
| finishJSTest(); |
| } |
| |
| </script> |
