Merge pull request #2841 from jryans/storage-eviction-modal

Notify user when crypto data is missing

src/components/views/dialogs/SessionRestoreErrorDialog.js

@@ -41,7 +41,7 @@ export default React.createClass({
         Modal.createTrackedDialog('Session Restore Confirm Logout', '', QuestionDialog, {
             title: _t("Sign out"),
             description:
-                <div>{ _t("Log out and remove encryption keys?") }</div>,
+                <div>{ _t("Sign out and remove encryption keys?") }</div>,
             button: _t("Sign out"),
             danger: true,
             onFinished: this.props.onFinished,

src/components/views/dialogs/StorageEvictedDialog.js

@@ -0,0 +1,77 @@
+/*
+Copyright 2019 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 class StorageEvictedDialog extends React.Component {
+    static propTypes = {
+        onFinished: PropTypes.func.isRequired,
+    };
+
+    _sendBugReport = ev => {
+        ev.preventDefault();
+        const BugReportDialog = sdk.getComponent("dialogs.BugReportDialog");
+        Modal.createTrackedDialog('Storage evicted', 'Send Bug Report Dialog', BugReportDialog, {});
+    };
+
+    _onSignOutClick = () => {
+        this.props.onFinished(true);
+    };
+
+    render() {
+        const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
+        const DialogButtons = sdk.getComponent('views.elements.DialogButtons');
+
+        let logRequest;
+        if (SdkConfig.get().bug_report_endpoint_url) {
+            logRequest = _t(
+                "To help us prevent this in future, please <a>send us logs</a>.", {},
+            {
+                a: text => <a href="#" onClick={this._sendBugReport}>{text}</a>,
+            });
+        }
+
+        return (
+            <BaseDialog className="mx_ErrorDialog" onFinished={this.props.onFinished}
+                title={_t('Missing session data')}
+                contentId='mx_Dialog_content'
+                hasCancel={false}
+            >
+                <div className="mx_Dialog_content" id='mx_Dialog_content'>
+                    <p>{_t(
+                        "Some session data, including encrypted message keys, is " +
+                        "missing. Sign out and sign in to fix this, restoring keys " +
+                        "from backup.",
+                    )}</p>
+                    <p>{_t(
+                        "Your browser likely removed this data when running low on " +
+                        "disk space.",
+                    )} {logRequest}</p>
+                </div>
+                <DialogButtons primaryButton={_t("Sign out")}
+                    onPrimaryButtonClick={this._onSignOutClick}
+                    focus={true}
+                    hasCancel={false}
+                />
+            </BaseDialog>
+        );
+    }
+}