fix(drag-n-drop): send two mousemove events to target to make Angular CDK work #34882
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Skn0tt
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Skn0tt
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Test results for "tests others"1 failed 21704 passed, 504 skipped Merge workflow run. |
Test results for "tests 1"6 flaky38684 passed, 794 skipped Merge workflow run. |
Test results for "tests 2"1 fatal errors, not part of any test 130 flaky263254 passed, 10048 skipped Merge workflow run. |
yury-s
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| @@ -1210,6 +1210,9 @@ export class Frame extends SdkObject { | |||
| // Note: do not perform locator handlers checkpoint to avoid moving the mouse in the middle of a drag operation. | |||
| dom.assertDone(await this._retryWithProgressIfNotConnected(progress, target, options.strict, false /* performActionPreChecks */, async handle => { | |||
| return handle._retryPointerAction(progress, 'move and up', false, async point => { | |||
| // NOTE: Normal browsers emit usually a lot of dragover/mousemove events during drag'n | |||
| // drop operations. We want to emit minimal (2) to make Angular CDK work. | |||
| await this._page.mouse.move(point.x, point.y); | |||
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This is fishy. Feels like we are working around Angular implementation problem. We could extend the API to allow passing steps, similar to
mouse.move({steps}) and leave the users in control of whether they want intermediate move events, WDYT?
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Background:
There are two types of Drag & Drop in the web:
Native HTML5 Drag and Drop (drag-n-drop.html)
draggable="true"attributedragstart,dragover,drop)mousemoveto drag events during operationdrag-n-drop.htmlUses raw mouse events (mousedown, mousemove, mouseup)
mousemoveevents throughout the operationIn this PR I had to add the latter with an expectation that there should be two
mousemoveevents emitted.Fixes #34688