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Merge pull request #3239 from matrix-org/bwindels/redirectpastetocomposer

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Redirect paste to composer when event target can't receive input
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Bruno Windels 2019-07-23 16:38:55 +00:00 committed by GitHub
commit e73690439f
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1 changed files with 26 additions and 7 deletions
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33
src/components/structures/LoggedInView.js
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@ -42,6 +42,13 @@ import {Resizer, CollapseDistributor} from '../../resizer';
// NB. this is just for server notices rather than pinned messages in general.
const MAX_PINNED_NOTICES_PER_ROOM = 2;
function canElementReceiveInput(el) {
return el.tagName === "INPUT" ||
el.tagName === "TEXTAREA" ||
el.tagName === "SELECT" ||
!!el.getAttribute("contenteditable");
}
/**
* This is what our MatrixChat shows when we are logged in. The precise view is
* determined by the page_type property.
@ -272,6 +279,22 @@ const LoggedInView = React.createClass({
});
},
_onPaste: function(ev) {
let canReceiveInput = false;
let element = ev.target;
// test for all parents because the target can be a child of a contenteditable element
while (!canReceiveInput && element) {
canReceiveInput = canElementReceiveInput(element);
element = element.parentElement;
}
if (!canReceiveInput) {
// refocusing during a paste event will make the
// paste end up in the newly focused element,
// so dispatch synchronously before paste happens
dis.dispatch({action: 'focus_composer'}, true);
}
},
/*
SOME HACKERY BELOW:
React optimizes event handlers, by always attaching only 1 handler to the document for a given type.
@ -371,15 +394,11 @@ const LoggedInView = React.createClass({
ev.stopPropagation();
ev.preventDefault();
} else if (!hasModifier) {
const targetTag = ev.target.tagName;
const focusedOnInputControl = targetTag === "INPUT" ||
targetTag === "TEXTAREA" ||
targetTag === "SELECT" ||
!!ev.target.getAttribute("contenteditable");
const isClickShortcut = ev.target !== document.body &&
(ev.key === "Space" || ev.key === "Enter");
if (!focusedOnInputControl && !isClickShortcut) {
if (!isClickShortcut && !canElementReceiveInput(ev.target)) {
// synchronous dispatch so we focus before key generates input
dis.dispatch({action: 'focus_composer'}, true);
ev.stopPropagation();
// we should *not* preventDefault() here as
@ -596,7 +615,7 @@ const LoggedInView = React.createClass({
}
return (
<div onKeyDown={this._onReactKeyDown} className='mx_MatrixChat_wrapper' aria-hidden={this.props.hideToSRUsers} onMouseDown={this._onMouseDown} onMouseUp={this._onMouseUp}>
<div onPaste={this._onPaste} onKeyDown={this._onReactKeyDown} className='mx_MatrixChat_wrapper' aria-hidden={this.props.hideToSRUsers} onMouseDown={this._onMouseDown} onMouseUp={this._onMouseUp}>
{ topBar }
<DragDropContext onDragEnd={this._onDragEnd}>
<div ref={this._setResizeContainerRef} className={bodyClasses}>