From 5771406dd7d0c691082515461b0fa5d8d28594d2 Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Mon, 18 Mar 2019 23:21:21 +0000
Subject: [PATCH] Add View Servers in Room to Devtools

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
---
 res/css/views/dialogs/_DevtoolsDialog.scss    |  6 ++-
 .../views/dialogs/DevtoolsDialog.js           | 44 +++++++++++++++++++
 src/i18n/strings/en_EN.json                   |  1 +
 3 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/res/css/views/dialogs/_DevtoolsDialog.scss b/res/css/views/dialogs/_DevtoolsDialog.scss
index 815e8408b5..f38191445c 100644
--- a/res/css/views/dialogs/_DevtoolsDialog.scss
+++ b/res/css/views/dialogs/_DevtoolsDialog.scss
@@ -18,7 +18,11 @@ limitations under the License.
     margin: 10px 0;
 }
 
-.mx_DevTools_RoomStateExplorer_button, .mx_DevTools_RoomStateExplorer_query {
+.mx_DevTools_ServersInRoomList_button {
+    cursor: default !important;
+}
+
+.mx_DevTools_RoomStateExplorer_button, .mx_DevTools_ServersInRoomList_button, .mx_DevTools_RoomStateExplorer_query {
     margin-bottom: 10px;
     width: 100%;
 }
diff --git a/src/components/views/dialogs/DevtoolsDialog.js b/src/components/views/dialogs/DevtoolsDialog.js
index 3db516a74d..f7ddb542ae 100644
--- a/src/components/views/dialogs/DevtoolsDialog.js
+++ b/src/components/views/dialogs/DevtoolsDialog.js
@@ -551,11 +551,55 @@ class AccountDataExplorer extends DevtoolsComponent {
     }
 }
 
+class ServersInRoomList extends DevtoolsComponent {
+    static getLabel() { return _t('View Servers in Room'); }
+
+    static propTypes = {
+        onBack: PropTypes.func.isRequired,
+    };
+
+    constructor(props, context) {
+        super(props, context);
+
+        this.onQuery = this.onQuery.bind(this);
+
+        const room = MatrixClientPeg.get().getRoom(this.context.roomId);
+        const servers = new Set();
+        room.currentState.getStateEvents("m.room.member").forEach(ev => servers.add(ev.getSender().split(":")[1]));
+        this.servers = Array.from(servers).map(s =>
+            <button key={s} className="mx_DevTools_ServersInRoomList_button">
+                { s }
+            </button>);
+
+        this.state = {
+            query: '',
+        };
+    }
+
+    onQuery(query) {
+        this.setState({ query });
+    }
+
+    render() {
+        return <div>
+            <div className="mx_Dialog_content">
+                <FilteredList query={this.state.query} onChange={this.onQuery}>
+                    { this.servers }
+                </FilteredList>
+            </div>
+            <div className="mx_Dialog_buttons">
+                <button onClick={this.props.onBack}>{ _t('Back') }</button>
+            </div>
+        </div>;
+    }
+}
+
 const Entries = [
     SendCustomEvent,
     RoomStateExplorer,
     SendAccountData,
     AccountDataExplorer,
+    ServersInRoomList,
 ];
 
 export default class DevtoolsDialog extends React.Component {
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index e23be021e8..60fd373306 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -1095,6 +1095,7 @@
     "Filter results": "Filter results",
     "Explore Room State": "Explore Room State",
     "Explore Account Data": "Explore Account Data",
+    "View Servers in Room": "View Servers in Room",
     "Toolbox": "Toolbox",
     "Developer Tools": "Developer Tools",
     "An error has occurred.": "An error has occurred.",