Improve the styling of search initialization errors.

Signed-off-by: Kalle Struik <kalle@kallestruik.nl>

src/components/views/elements/SearchWarning.tsx

@@ -0,0 +1,107 @@
+/*
+Copyright 2020 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 { logger } from "matrix-js-sdk/src/logger";
+
+import EventIndexPeg from "../../../indexing/EventIndexPeg";
+import { _t } from "../../../languageHandler";
+import SdkConfig from "../../../SdkConfig";
+import dis from "../../../dispatcher/dispatcher";
+import { Action } from "../../../dispatcher/actions";
+import { UserTab } from "../dialogs/UserTab";
+import AccessibleButton from "./AccessibleButton";
+
+export enum WarningKind {
+    Files,
+    Search,
+}
+
+interface IProps {
+    isRoomEncrypted: boolean;
+    kind: WarningKind;
+}
+
+export default function SearchWarning({ isRoomEncrypted, kind }: IProps) {
+    if (!isRoomEncrypted) return null;
+    if (EventIndexPeg.get()) return null;
+
+    if (EventIndexPeg.error) {
+        return (
+            <div className="mx_SearchWarning">
+                { _t("Message search initialisation failed, check <a>your settings</a> for more information", {}, {
+                    a: sub => (
+                        <AccessibleButton
+                            kind="link_inline"
+                            onClick={(evt) => {
+                                evt.preventDefault();
+                                dis.dispatch({
+                                    action: Action.ViewUserSettings,
+                                    initialTabId: UserTab.Security,
+                                });
+                            }}
+                        >
+                            { sub }
+                        </AccessibleButton>),
+                }) }
+            </div>
+        );
+    }
+
+    const brand = SdkConfig.get("brand");
+    const desktopBuilds = SdkConfig.getObject("desktop_builds");
+
+    let text = null;
+    let logo = null;
+    if (desktopBuilds.get("available")) {
+        logo = <img src={desktopBuilds.get("logo")} />;
+        const buildUrl = desktopBuilds.get("url");
+        switch (kind) {
+            case WarningKind.Files:
+                text = _t("Use the <a>Desktop app</a> to see all encrypted files", {}, {
+                    a: sub => (<a href={buildUrl} target="_blank" rel="noreferrer noopener">{ sub }</a>),
+                });
+                break;
+            case WarningKind.Search:
+                text = _t("Use the <a>Desktop app</a> to search encrypted messages", {}, {
+                    a: sub => (<a href={buildUrl} target="_blank" rel="noreferrer noopener">{ sub }</a>),
+                });
+                break;
+        }
+    } else {
+        switch (kind) {
+            case WarningKind.Files:
+                text = _t("This version of %(brand)s does not support viewing some encrypted files", { brand });
+                break;
+            case WarningKind.Search:
+                text = _t("This version of %(brand)s does not support searching encrypted messages", { brand });
+                break;
+        }
+    }
+
+    // for safety
+    if (!text) {
+        logger.warn("Unknown desktop builds warning kind: ", kind);
+        return null;
+    }
+
+    return (
+        <div className="mx_SearchWarning">
+            { logo }
+            <span>{ text }</span>
+        </div>
+    );
+}