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Code Issues Releases Wiki Activity

Fix a flash of document selection when "oncopy" and "inline on range" behaviors interact

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Summary:
Ref T13513. In Safari, do this:

  - view a 2-up diff with content on both sides;
  - select more than one line on the right side; and
  - use your mouse to click "New Inline Comment" in the context menu that pops up.

The mousedown event for the "New Inline Comment" click removes the "copy selection" behavior and creates a flash where both sides of the diff are selected.

This doesn't happen with (most) normal clicks because mouse down on a non-grabbable element clears the document selection.

To avoid this, don't reset the copy selection behavior if the user mouses down on an "<a />". This might not be robust, but seems simple and plausible as a fix.

Test Plan:
  - See above.
  - Before patch: flash of overbroad selection when clicking "New Inline Comment".
  - After patch: no selection flash.

Maniphest Tasks: T13513

Differential Revision: https://secure.phabricator.com/D21254
This commit is contained in:
epriestley 2020-05-14 11:34:33 -07:00
parent f45519c060
commit 42f1a95a12
2 changed files with 18 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
resources/celerity/map.php
View file

@ -10,7 +10,7 @@ return array(
'conpherence.pkg.css' => '0e3cf785',
'conpherence.pkg.js' => '020aebcf',
'core.pkg.css' => 'a560707d',
'core.pkg.js' => '0efaf0ac',
'core.pkg.js' => '845355f4',
'dark-console.pkg.js' => '187792c2',
'differential.pkg.css' => 'b042ee8b',
'differential.pkg.js' => '5d560bda',
@ -488,7 +488,7 @@ return array(
'rsrc/js/core/behavior-linked-container.js' => '74446546',
'rsrc/js/core/behavior-more.js' => '506aa3f4',
'rsrc/js/core/behavior-object-selector.js' => '98ef467f',
'rsrc/js/core/behavior-oncopy.js' => 'b475aae5',
'rsrc/js/core/behavior-oncopy.js' => 'da8f5259',
'rsrc/js/core/behavior-phabricator-remarkup-assist.js' => '54262396',
'rsrc/js/core/behavior-read-only-warning.js' => 'b9109f8f',
'rsrc/js/core/behavior-redirect.js' => '407ee861',
@ -648,7 +648,7 @@ return array(
'javelin-behavior-phabricator-line-linker' => '590e6527',
'javelin-behavior-phabricator-notification-example' => '29819b75',
'javelin-behavior-phabricator-object-selector' => '98ef467f',
'javelin-behavior-phabricator-oncopy' => 'b475aae5',
'javelin-behavior-phabricator-oncopy' => 'da8f5259',
'javelin-behavior-phabricator-remarkup-assist' => '54262396',
'javelin-behavior-phabricator-reveal-content' => 'b105a3a6',
'javelin-behavior-phabricator-search-typeahead' => '1cb7d027',
@ -1952,10 +1952,6 @@ return array(
'javelin-workboard-card-template',
'javelin-workboard-order-template',
),
'b475aae5' => array(
'javelin-behavior',
'javelin-dom',
),
'b49fd60c' => array(
'multirow-row-manager',
'trigger-rule',
@ -2116,6 +2112,10 @@ return array(
'da15d3dc' => array(
'phui-oi-list-view-css',
),
'da8f5259' => array(
'javelin-behavior',
'javelin-dom',
),
'dae2d55b' => array(
'javelin-behavior',
'javelin-uri',

11
webroot/rsrc/js/core/behavior-oncopy.js
View file

@ -11,6 +11,17 @@ JX.behavior('phabricator-oncopy', function() {
function onstartselect(e) {
var target = e.getTarget();
// See T13513. If the user selects multiple lines in a 2-up diff and then
// clicks "New Inline Comment" in the context menu that pops up, the
// mousedown causes us to arrive here and remove the "selectable" CSS
// styles, and creates a flash of selected content across both sides of
// the diff, which is distracting. To attempt to avoid this, bail out if
// the user clicked a link.
if (JX.DOM.isType(target, 'a')) {
return;
}
var container;
try {
// NOTE: For now, all elements with custom oncopy behavior are tables,