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[Orca] Accessible state-changed:busy events missing |
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Issue descriptionUserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3500.0 Safari/537.36 Steps to reproduce the problem: 1. Launch Chrome/Chromium * export ACCESSIBILITY_ENABLED=1, and * launch with --force-renderer-accessibility 2. Launch the attached accessible-event listener in a terminal 3. Load and reload pages in the browser What is the expected behavior? The event listener would print out an event when load started and ended (because the page is "busy" when loading). What went wrong? The event listener does not print out any events. Did this work before? N/A Chrome version: 70.0.3500.0 Channel: n/a OS Version: Flash Version: Compare to: Firefox (with accessibility enabled), Epiphany Documentation: https://developer.gnome.org/atk/stable/AtkObject.html#AtkObject-state-change Impacts: 1. These notifications, used in conjunction with document-load notifications, help Orca determine when it is "safe" to present document summaries (e.g. number of landmarks and headings on the page), begin a "say all" of the content, etc. 2. These events also help Orca quickly filter out other accessibility events (e.g. children-changed, text-changed) which are irrelevant to the user because they are being emitted as a consequence of initially loading the content.
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Jul 26
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Sep 26
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Sep 26
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/f3725369fc97658ecce074063ebf0f30e8356003 commit f3725369fc97658ecce074063ebf0f30e8356003 Author: Joanmarie Diggs <jdiggs@igalia.com> Date: Wed Sep 26 18:10:36 2018 Emit ATK events for document load changes * Implement support for Event::LOAD_COMPLETE, firing AtkDocument load- complete and AtkObject state-change events. * Create Event::LOAD_START, and fire AtkObject state-change events. * Try to filter out load changes we don't want to fire an event for, e.g. pages which lack size. This saves each AT from having to filter these (presumed) irrelevant events out. TBR=slan@chromium.org Bug: 866331, 866333 Cq-Include-Trybots: luci.chromium.try:closure_compilation Change-Id: I2f97563b5c2160793a09588481bd2bacf0f0eae1 Reviewed-on: https://chromium-review.googlesource.com/1234228 Commit-Queue: Joanmarie Diggs <joanmarie.diggs@gmail.com> Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org> Cr-Commit-Position: refs/heads/master@{#594385} [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/chrome/common/extensions/api/automation.idl [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/chrome/renderer/extensions/automation_ax_tree_wrapper.cc [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/chromecast/common/extensions_api/automation.idl [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/chromecast/renderer/extensions/automation_ax_tree_wrapper.cc [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/content/browser/accessibility/browser_accessibility_manager_android.cc [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/content/browser/accessibility/browser_accessibility_manager_auralinux.cc [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/content/browser/accessibility/browser_accessibility_manager_auralinux.h [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/content/browser/accessibility/browser_accessibility_manager_mac.mm [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/content/browser/accessibility/browser_accessibility_manager_win.cc [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/third_party/closure_compiler/externs/automation.js [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/ui/accessibility/ax_enum_util.cc [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/ui/accessibility/ax_enums.mojom [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/ui/accessibility/ax_event_generator.cc [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/ui/accessibility/ax_event_generator.h [modify] https://crrev.com/f3725369fc97658ecce074063ebf0f30e8356003/ui/accessibility/ax_event_generator_unittest.cc
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Sep 26
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Comment 1 by krajshree@chromium.org
, Jul 23