jiti-meet/react/features/chat/components/web/ChatInput.js

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// @flow
import React, { Component } from 'react';
import TextareaAutosize from 'react-textarea-autosize';
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import type { Dispatch } from 'redux';
import { isMobileBrowser } from '../../../base/environment/utils';
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import { translate } from '../../../base/i18n';
import { Icon, IconPlane, IconSmile } from '../../../base/icons';
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import { connect } from '../../../base/redux';
import { areSmileysDisabled } from '../../functions';
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import SmileysPanel from './SmileysPanel';
/**
* The type of the React {@code Component} props of {@link ChatInput}.
*/
type Props = {
/**
* Invoked to send chat messages.
*/
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dispatch: Dispatch<any>,
/**
* Optional callback to invoke when the chat textarea has auto-resized to
* fit overflowing text.
*/
onResize: ?Function,
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/**
* Callback to invoke on message send.
*/
onSend: Function,
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/**
* Invoked to obtain translated strings.
*/
t: Function,
/**
* Whether chat emoticons are disabled.
*/
_areSmileysDisabled: boolean
};
/**
* The type of the React {@code Component} state of {@link ChatInput}.
*/
type State = {
/**
* User provided nickname when the input text is provided in the view.
*/
message: string,
/**
* Whether or not the smiley selector is visible.
*/
showSmileysPanel: boolean
};
/**
* Implements a React Component for drafting and submitting a chat message.
*
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* @augments Component
*/
class ChatInput extends Component<Props, State> {
_textArea: ?HTMLTextAreaElement;
state = {
message: '',
showSmileysPanel: false
};
/**
* Initializes a new {@code ChatInput} instance.
*
* @param {Object} props - The read-only properties with which the new
* instance is to be initialized.
*/
constructor(props: Props) {
super(props);
this._textArea = null;
// Bind event handlers so they are only bound once for every instance.
this._onDetectSubmit = this._onDetectSubmit.bind(this);
this._onMessageChange = this._onMessageChange.bind(this);
this._onSmileySelect = this._onSmileySelect.bind(this);
this._onSubmitMessage = this._onSubmitMessage.bind(this);
this._onToggleSmileysPanel = this._onToggleSmileysPanel.bind(this);
this._onEscHandler = this._onEscHandler.bind(this);
this._onToggleSmileysPanelKeyPress = this._onToggleSmileysPanelKeyPress.bind(this);
this._onSubmitMessageKeyPress = this._onSubmitMessageKeyPress.bind(this);
this._setTextAreaRef = this._setTextAreaRef.bind(this);
}
/**
* Implements React's {@link Component#componentDidMount()}.
*
* @inheritdoc
*/
componentDidMount() {
if (isMobileBrowser()) {
// Ensure textarea is not focused when opening chat on mobile browser.
this._textArea && this._textArea.blur();
}
}
/**
* Implements React's {@link Component#render()}.
*
* @inheritdoc
* @returns {ReactElement}
*/
render() {
const smileysPanelClassName = `${this.state.showSmileysPanel
? 'show-smileys' : 'hide-smileys'} smileys-panel`;
return (
<div className = { `chat-input-container${this.state.message.trim().length ? ' populated' : ''}` }>
<div id = 'chat-input' >
{ this.props._areSmileysDisabled ? null : (
<div className = 'smiley-input'>
<div id = 'smileysarea'>
<div id = 'smileys'>
<div
aria-expanded = { this.state.showSmileysPanel }
aria-haspopup = 'smileysContainer'
aria-label = { this.props.t('chat.smileysPanel') }
className = 'smiley-button'
onClick = { this._onToggleSmileysPanel }
onKeyDown = { this._onEscHandler }
onKeyPress = { this._onToggleSmileysPanelKeyPress }
role = 'button'
tabIndex = { 0 }>
<Icon src = { IconSmile } />
</div>
</div>
</div>
<div
className = { smileysPanelClassName } >
<SmileysPanel
onSmileySelect = { this._onSmileySelect } />
</div>
</div>
) }
<div className = 'usrmsg-form'>
<TextareaAutosize
autoComplete = 'off'
autoFocus = { true }
id = 'usermsg'
maxRows = { 5 }
onChange = { this._onMessageChange }
onHeightChange = { this.props.onResize }
onKeyDown = { this._onDetectSubmit }
placeholder = { this.props.t('chat.messagebox') }
ref = { this._setTextAreaRef }
tabIndex = { 0 }
value = { this.state.message } />
</div>
<div className = 'send-button-container'>
<div
aria-label = { this.props.t('chat.sendButton') }
className = 'send-button'
onClick = { this._onSubmitMessage }
onKeyPress = { this._onSubmitMessageKeyPress }
role = 'button'
tabIndex = { this.state.message.trim() ? 0 : -1 } >
<Icon src = { IconPlane } />
</div>
</div>
</div>
</div>
);
}
/**
* Place cursor focus on this component's text area.
*
* @private
* @returns {void}
*/
_focus() {
this._textArea && this._textArea.focus();
}
_onSubmitMessage: () => void;
/**
* Submits the message to the chat window.
*
* @returns {void}
*/
_onSubmitMessage() {
const trimmed = this.state.message.trim();
if (trimmed) {
this.props.onSend(trimmed);
this.setState({ message: '' });
// Keep the textarea in focus when sending messages via submit button.
this._focus();
}
}
_onDetectSubmit: (Object) => void;
/**
* Detects if enter has been pressed. If so, submit the message in the chat
* window.
*
* @param {string} event - Keyboard event.
* @private
* @returns {void}
*/
_onDetectSubmit(event) {
// Composition events used to add accents to characters
// despite their absence from standard US keyboards,
// to build up logograms of many Asian languages
// from their base components or categories and so on.
if (event.isComposing || event.keyCode === 229) {
// keyCode 229 means that user pressed some button,
// but input method is still processing that.
// This is a standard behavior for some input methods
// like entering japanese or сhinese hieroglyphs.
return;
}
if (event.key === 'Enter'
&& event.shiftKey === false
&& event.ctrlKey === false) {
event.preventDefault();
event.stopPropagation();
this._onSubmitMessage();
}
}
_onSubmitMessageKeyPress: (Object) => void;
/**
* KeyPress handler for accessibility.
*
* @param {Object} e - The key event to handle.
*
* @returns {void}
*/
_onSubmitMessageKeyPress(e) {
if (e.key === ' ' || e.key === 'Enter') {
e.preventDefault();
this._onSubmitMessage();
}
}
_onMessageChange: (Object) => void;
/**
* Updates the known message the user is drafting.
*
* @param {string} event - Keyboard event.
* @private
* @returns {void}
*/
_onMessageChange(event) {
this.setState({ message: event.target.value });
}
_onSmileySelect: (string) => void;
/**
* Appends a selected smileys to the chat message draft.
*
* @param {string} smileyText - The value of the smiley to append to the
* chat message.
* @private
* @returns {void}
*/
_onSmileySelect(smileyText) {
if (smileyText) {
this.setState({
message: `${this.state.message} ${smileyText}`,
showSmileysPanel: false
});
} else {
this.setState({
showSmileysPanel: false
});
}
this._focus();
}
_onToggleSmileysPanel: () => void;
/**
* Callback invoked to hide or show the smileys selector.
*
* @private
* @returns {void}
*/
_onToggleSmileysPanel() {
if (this.state.showSmileysPanel) {
this._focus();
}
this.setState({ showSmileysPanel: !this.state.showSmileysPanel });
}
_onEscHandler: (Object) => void;
/**
* KeyPress handler for accessibility.
*
* @param {Object} e - The key event to handle.
*
* @returns {void}
*/
_onEscHandler(e) {
// Escape handling does not work in onKeyPress
if (this.state.showSmileysPanel && e.key === 'Escape') {
e.preventDefault();
e.stopPropagation();
this._onToggleSmileysPanel();
}
}
_onToggleSmileysPanelKeyPress: (Object) => void;
/**
* KeyPress handler for accessibility.
*
* @param {Object} e - The key event to handle.
*
* @returns {void}
*/
_onToggleSmileysPanelKeyPress(e) {
if (e.key === ' ' || e.key === 'Enter') {
e.preventDefault();
this._onToggleSmileysPanel();
}
}
_setTextAreaRef: (?HTMLTextAreaElement) => void;
/**
* Sets the reference to the HTML TextArea.
*
* @param {HTMLAudioElement} textAreaElement - The HTML text area element.
* @private
* @returns {void}
*/
_setTextAreaRef(textAreaElement: ?HTMLTextAreaElement) {
this._textArea = textAreaElement;
}
}
/**
* Function that maps parts of Redux state tree into component props.
*
* @param {Object} state - Redux state.
* @private
* @returns {{
* _areSmileysDisabled: boolean
* }}
*/
const mapStateToProps = state => {
return {
_areSmileysDisabled: areSmileysDisabled(state)
};
};
export default translate(connect(mapStateToProps)(ChatInput));