element-web/src/components/views/context_menus/DialpadContextMenu.tsx

/*
Copyright 2021 The Matrix.org Foundation C.I.C.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import React from 'react';
import AccessibleButton from "../elements/AccessibleButton";
import { ContextMenu, IProps as IContextMenuProps } from '../../structures/ContextMenu';
import { MatrixCall } from 'matrix-js-sdk/src/webrtc/call';
import Field from "../elements/Field";
import DialPad from '../voip/DialPad';
import { replaceableComponent } from "../../../utils/replaceableComponent";

interface IProps extends IContextMenuProps {
    call: MatrixCall;
}

interface IState {
    value: string;
}

@replaceableComponent("views.context_menus.DialpadContextMenu")
export default class DialpadContextMenu extends React.Component<IProps, IState> {
    constructor(props) {
        super(props);

        this.state = {
            value: '',
        };
    }

    onDigitPress = (digit) => {
        this.props.call.sendDtmfDigit(digit);
        this.setState({ value: this.state.value + digit });
    };

    onCancelClick = () => {
        this.props.onFinished();
    };

    onKeyDown = (ev) => {
        // Prevent Backspace and Delete keys from functioning in the entry field
        if (ev.code === "Backspace" || ev.code === "Delete") {
            ev.preventDefault();
        }
    };

    onChange = (ev) => {
        this.setState({ value: ev.target.value });
    };

    render() {
        return <ContextMenu {...this.props}>
            <div className="mx_DialPadContextMenuWrapper">
                <div>
                    <AccessibleButton className="mx_DialPadContextMenu_cancel" onClick={this.onCancelClick} />
                </div>
                <div className="mx_DialPadContextMenu_header">
                    <Field
                        className="mx_DialPadContextMenu_dialled"
                        value={this.state.value}
                        autoFocus={true}
                        onKeyDown={this.onKeyDown}
                        onChange={this.onChange}
                    />
                </div>
                <div className="mx_DialPadContextMenu_dialPad">
                    <DialPad onDigitPress={this.onDigitPress} hasDial={false} />
                </div>
            </div>
        </ContextMenu>;
    }
}