element-web/src/components/views/dialogs/SessionRestoreErrorDialog.js

/*
Copyright 2017 Vector Creations Ltd
Copyright 2018 New Vector 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.
*/

import React from 'react';
import PropTypes from 'prop-types';
import sdk from '../../../index';
import SdkConfig from '../../../SdkConfig';
import Modal from '../../../Modal';
import { _t } from '../../../languageHandler';


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

    propTypes: {
        error: PropTypes.string.isRequired,
        onFinished: PropTypes.func.isRequired,
    },

    _sendBugReport: function() {
        const BugReportDialog = sdk.getComponent("dialogs.BugReportDialog");
        Modal.createTrackedDialog('Session Restore Error', 'Send Bug Report Dialog', BugReportDialog, {});
    },

    _onClearStorageClick: function() {
        const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
        Modal.createTrackedDialog('Session Restore Confirm Logout', '', QuestionDialog, {
            title: _t("Sign out"),
            description:
                <div>{ _t("Log out and remove encryption keys?") }</div>,
            button: _t("Sign out"),
            danger: true,
            onFinished: this.props.onFinished,
        });
    },

    _onRefreshClick: function() {
        // Is this likely to help? Probably not, but giving only one button
        // that clears your storage seems awful.
        window.location.reload(true);
    },

    render: function() {
        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');

        const clearStorageButton = (
            <button onClick={this._onClearStorageClick} className="danger">
                { _t("Clear Storage and Sign Out") }
            </button>
        );

        let dialogButtons;
        if (SdkConfig.get().bug_report_endpoint_url) {
            dialogButtons = <DialogButtons primaryButton={_t("Send Logs")}
                onPrimaryButtonClick={this._sendBugReport}
                focus={true}
                hasCancel={false}
            >
                {clearStorageButton}
            </DialogButtons>;
        } else {
            dialogButtons = <DialogButtons primaryButton={_t("Refresh")}
                onPrimaryButtonClick={this._onRefreshClick}
                focus={true}
                hasCancel={false}
            >
                {clearStorageButton}
            </DialogButtons>;
        }

        return (
            <BaseDialog className="mx_ErrorDialog" onFinished={this.props.onFinished}
                title={_t('Unable to restore session')}
                contentId='mx_Dialog_content'
                hasCancel={false}
            >
                <div className="mx_Dialog_content" id='mx_Dialog_content'>
                    <p>{ _t("We encountered an error trying to restore your previous session.") }</p>

                    <p>{ _t("If you have previously used a more recent version of Riot, your session " +
                    "may be incompatible with this version. Close this window and return " +
                    "to the more recent version.") }</p>

                    <p>{ _t("Clearing your browser's storage may fix the problem, but will sign you " +
                    "out and cause any encrypted chat history to become unreadable.") }</p>
                </div>
                { dialogButtons }
            </BaseDialog>
        );
    },
});