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eustas@chromium.org authored
https://bugs.webkit.org/show_bug.cgi?id=110742 Reviewed by Ryosuke Niwa. Source/WebCore: This patch defers firing "webkitEditableContentChanged" until new selection is applied to control. This makes selection during "input" more consistent and reliable. Background: "input" event is fired by "webkitEditableContentChanged" dispatcher. But "input" is scoped event, so under some conditions its dispatching may be deferred. When "input" dispatching is deferred, dispatcher observes updated selectionStart and selectionEnd. Otherwise values repersent state before applying editing command. So, to make selectionStart/End to be more predictable and useful, we need either always dispatch "input" before selection is updated, or always dispatch "input" after selection is updated. As it was mentioned, dispatching could be deferred by scoping. So dispatching before updating selection couldn't be guaranteed. Moreover, it will be hard to calculate updated selection in user code. On the other side - old selection could be easily tracked. So, it looks logically that we should guarantee dispatching "input" after updating selection. There are no execution paths in "webkitEditableContentChanged" dispatched that depends on current selection. So it is safe to fire this event after selection is updated. Test: editing/selection/caret-after-keypress.html * editing/Editor.cpp: Dispatch "input" event after new selection in applied. LayoutTests: Test that cursor is up-to-date during "input" event. * editing/selection/caret-after-keypress-expected.txt: Added. * editing/selection/caret-after-keypress.html: Added. * platform/mac-wk2/TestExpectations: Exclude new test. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@151009 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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