element-web/src/components/views/elements/AppTile.js

/*
Copyright 2017 Vector Creations Ltd

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.
*/

'use strict';

import React from 'react';
import MatrixClientPeg from '../../../MatrixClientPeg';
import ScalarAuthClient from '../../../ScalarAuthClient';
import SdkConfig from '../../../SdkConfig';
import { _t } from '../../../languageHandler';

import url from 'url';

export default React.createClass({
    displayName: 'AppTile',

    propTypes: {
        id: React.PropTypes.string.isRequired,
        url: React.PropTypes.string.isRequired,
        name: React.PropTypes.string.isRequired,
        room: React.PropTypes.object.isRequired,
    },

    getDefaultProps: function() {
        return {
            url: "",
        };
    },

    getInitialState: function() {
        return {
            loading: false,
            widgetUrl: this.props.url,
            error: null,
        };
    },

    // Returns true if props.url is a scalar URL, typically https://scalar.vector.im/api
    isScalarUrl: function() {
        const scalarUrl = SdkConfig.get().integrations_rest_url;
        return scalarUrl && this.props.url.startsWith(scalarUrl);
    },

    componentWillMount: function() {
        if (!this.isScalarUrl()) {
            return;
        }
        // Fetch the token before loading the iframe as we need to mangle the URL
        this.setState({
            loading: true,
        });
        this._scalarClient = new ScalarAuthClient();
        this._scalarClient.getScalarToken().done((token) => {
            // Append scalar_token as a query param
            let u = url.parse(this.props.url);
            if (!u.search) {
                u.search = "?scalar_token=" + encodeURIComponent(token);
            }
            else {
                u.search += "&scalar_token=" + encodeURIComponent(token);
            }

            this.setState({
                error: null,
                widgetUrl: u.format(),
                loading: false,
            });
        }, (err) => {
            this.setState({
                error: err.message,
                loading: false,
            });
        });
    },

    _onEditClick: function() {
        console.log("Edit widget %s", this.props.id);
    },

    _onDeleteClick: function() {
        console.log("Delete widget %s", this.props.id);
        const appsStateEvents = this.props.room.currentState.getStateEvents('im.vector.modular.widgets', '');
        if (!appsStateEvents) {
            return;
        }
        const appsStateEvent = appsStateEvents.getContent();
        if (appsStateEvent[this.props.id]) {
            delete appsStateEvent[this.props.id];
            MatrixClientPeg.get().sendStateEvent(
                this.props.room.roomId,
                'im.vector.modular.widgets',
                appsStateEvent,
                '',
            ).then(() => {
                console.log('Deleted widget');
            }, (e) => {
                console.error('Failed to delete widget', e);
            });
        }
    },

    formatAppTileName: function() {
        let appTileName = "No name";
        if(this.props.name && this.props.name.trim()) {
            appTileName = this.props.name.trim();
            appTileName = appTileName[0].toUpperCase() + appTileName.slice(1).toLowerCase();
        }
        return appTileName;
    },

    render: function() {
        let appTileBody;
        if (this.state.loading) {
            appTileBody = (
                <div> Loading... </div>
            );
        }
        else {
            appTileBody = (
                <div className="mx_AppTileBody">
                    <iframe ref="appFrame" src={this.state.widgetUrl} allowFullScreen="true"></iframe>
                </div>
            );
        }
        return (
            <div className={this.props.fullWidth ? "mx_AppTileFullWidth" : "mx_AppTile"} id={this.props.id}>
                <div className="mx_AppTileMenuBar">
                    {this.formatAppTileName()}
                    <span className="mx_AppTileMenuBarWidgets">
                        {/* Edit widget */}
                        {/* <img
                            src="img/edit.svg"
                            className="mx_filterFlipColor mx_AppTileMenuBarWidget mx_AppTileMenuBarWidgetPadding"
                            width="8" height="8" alt="Edit"
                            onClick={this._onEditClick}
                        /> */}

                        {/* Delete widget */}
                        <img src="img/cancel.svg"
                        className="mx_filterFlipColor mx_AppTileMenuBarWidget"
                        width="8" height="8" alt={_t("Cancel")}
                        onClick={this._onDeleteClick}
                        />
                    </span>
                </div>
                {appTileBody}
            </div>
        );
    },
});