Add footer and privacy note to the start dm dialog

res/css/views/dialogs/_InviteDialog.scss

@@ -17,6 +17,9 @@ limitations under the License.
 .mx_InviteDialog_addressBar {
     display: flex;
     flex-direction: row;
+    // Right margin for the design. We could apply this to the whole dialog, but then the scrollbar
+    // for the user section gets weird.
+    margin: 8px 45px 0 0;
 
     .mx_InviteDialog_editor {
         flex: 1;
@@ -73,7 +76,7 @@ limitations under the License.
 }
 
 .mx_InviteDialog_section {
-    padding-bottom: 10px;
+    padding-bottom: 4px;
 
     h3 {
         font-size: $font-12px;
@@ -82,6 +85,14 @@ limitations under the License.
         text-transform: uppercase;
     }
 
+    > p {
+        margin: 0;
+    }
+
+    > span {
+        color: $primary-fg-color;
+    }
+
     .mx_InviteDialog_subname {
         margin-bottom: 10px;
         margin-top: -10px; // HACK: Positioning with margins is bad
@@ -90,6 +101,63 @@ limitations under the License.
     }
 }
 
+.mx_InviteDialog_section_hidden_suggestions_disclaimer {
+    padding: 8px 0 16px 0;
+    font-size: $font-14px;
+
+    > span {
+        color: $primary-fg-color;
+        font-weight: 600;
+    }
+
+    > p {
+        margin: 0;
+    }
+}
+
+.mx_InviteDialog_footer {
+    border-top: 1px solid $input-border-color;
+
+    > h3 {
+        margin: 12px 0;
+        font-size: $font-12px;
+        color: $muted-fg-color;
+        font-weight: bold;
+        text-transform: uppercase;
+    }
+
+    .mx_InviteDialog_footer_link {
+        display: flex;
+        justify-content: space-between;
+        border-radius: 4px;
+        border: solid 1px $light-fg-color;
+        padding: 8px;
+
+        > a {
+            text-decoration: none;
+            flex-shrink: 1;
+            overflow: hidden;
+            text-overflow: ellipsis;
+        }
+    }
+
+    .mx_InviteDialog_footer_link_copy {
+        flex-shrink: 0;
+        cursor: pointer;
+        margin-left: 20px;
+        display: inherit;
+
+        > div {
+            mask-image: url($copy-button-url);
+            background-color: $message-action-bar-fg-color;
+            margin-left: 5px;
+            width: 20px;
+            height: 20px;
+            background-repeat: no-repeat;
+        }
+    }
+}
+
 .mx_InviteDialog_roomTile {
     cursor: pointer;
     padding: 5px 10px;
@@ -142,6 +210,7 @@ limitations under the License.
 
     .mx_InviteDialog_roomTile_nameStack {
         display: inline-block;
+        overflow: hidden;
     }
 
     .mx_InviteDialog_roomTile_name {
@@ -157,6 +226,13 @@ limitations under the License.
         margin-left: 7px;
     }
 
+    .mx_InviteDialog_roomTile_name,
+    .mx_InviteDialog_roomTile_userId {
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
+    }
+
     .mx_InviteDialog_roomTile_time {
         text-align: right;
         font-size: $font-12px;
@@ -212,22 +288,29 @@ limitations under the License.
 
 .mx_InviteDialog {
     // Prevent the dialog from jumping around randomly when elements change.
-    height: 590px;
+    height: 600px;
     padding-left: 20px; // the design wants some padding on the left
+    display: flex;
+    flex-direction: column;
+
+    .mx_InviteDialog_content {
+        overflow: hidden;
+    }
 }
 
 .mx_InviteDialog_userSections {
-    margin-top: 10px;
+    margin-top: 4px;
     overflow-y: auto;
-    padding-right: 45px;
-    height: 455px; // mx_InviteDialog's height minus some for the upper elements
+    padding: 0 45px 4px 0;
+    height: calc(100% - 115px); // mx_InviteDialog's height minus some for the upper and lower elements
 }
 
-// Right margin for the design. We could apply this to the whole dialog, but then the scrollbar
-// for the user section gets weird.
-.mx_InviteDialog_helpText,
-.mx_InviteDialog_addressBar {
-    margin-right: 45px;
+.mx_InviteDialog_hasFooter .mx_InviteDialog_userSections {
+    height: calc(100% - 175px);
+}
+
+.mx_InviteDialog_helpText {
+    margin: 0;
 }
 
 .mx_InviteDialog_helpText .mx_AccessibleButton_kind_link {

src/components/views/dialogs/InviteDialog.tsx

@@ -14,7 +14,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React, {createRef} from 'react';
+import React, { createRef } from 'react';
+import classNames from 'classnames';
+
 import {_t, _td} from "../../../languageHandler";
 import * as sdk from "../../../index";
 import {MatrixClientPeg} from "../../../MatrixClientPeg";
@@ -50,6 +52,11 @@ import BaseAvatar from '../avatars/BaseAvatar';
 import AccessibleButton from '../elements/AccessibleButton';
 import { compare } from '../../../utils/strings';
 import { IInvite3PID } from "matrix-js-sdk/src/@types/requests";
+import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
+import { copyPlaintext, selectText } from "../../../utils/strings";
+import * as ContextMenu from "../../structures/ContextMenu";
+import { toRightOf } from "../../structures/ContextMenu";
+import GenericTextContextMenu from "../context_menus/GenericTextContextMenu";
 
 // we have a number of types defined from the Matrix spec which can't reasonably be altered here.
 /* eslint-disable camelcase */
@@ -351,6 +358,7 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
         initialText: "",
     };
 
+    private closeCopiedTooltip: () => void;
     private debounceTimer: NodeJS.Timeout = null; // actually number because we're in the browser
     private editorRef = createRef<HTMLInputElement>();
     private unmounted = false;
@@ -403,6 +411,9 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
 
     componentWillUnmount() {
         this.unmounted = true;
+        // if the Copied tooltip is open then get rid of it, there are ways to close the modal which wouldn't close
+        // the tooltip otherwise, such as pressing Escape or clicking X really quickly
+        if (this.closeCopiedTooltip) this.closeCopiedTooltip();
     }
 
     private onConsultFirstChange = (ev) => {
@@ -1238,6 +1249,25 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
         }
     }
 
+    private async onLinkClick(e) {
+        e.preventDefault();
+        selectText(e.target);
+    }
+
+    private onCopyClick = async e => {
+        e.preventDefault();
+        const target = e.target; // copy target before we go async and React throws it away
+
+        const successful = await copyPlaintext(makeUserPermalink(MatrixClientPeg.get().getUserId()));
+        const buttonRect = target.getBoundingClientRect();
+        const { close } = ContextMenu.createMenu(GenericTextContextMenu, {
+            ...toRightOf(buttonRect, 2),
+            message: successful ? _t("Copied!") : _t("Failed to copy"),
+        });
+        // Drop a reference to this close handler for componentWillUnmount
+        this.closeCopiedTooltip = target.onmouseleave = close;
+    };
+
     render() {
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');
         const AccessibleButton = sdk.getComponent("elements.AccessibleButton");
@@ -1248,12 +1278,12 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
             spinner = <Spinner w={20} h={20} />;
         }
 
-
         let title;
         let helpText;
         let buttonText;
         let goButtonFn;
-        let consultSection;
+        let extraSection;
+        let footer;
         let keySharingWarning = <span />;
 
         const identityServersEnabled = SettingsStore.getValue(UIFeature.IdentityServer);
@@ -1316,6 +1346,26 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
             }
             buttonText = _t("Go");
             goButtonFn = this.startDm;
+            extraSection = <div className="mx_InviteDialog_section_hidden_suggestions_disclaimer">
+                <span>{ _t("Some suggestions may be hidden for privacy.") }</span>
+                <p>{ _t("If you can't see who you’re looking for, send them your invite link below.") }</p>
+            </div>;
+            const link = makeUserPermalink(MatrixClientPeg.get().getUserId());
+            footer = <div className="mx_InviteDialog_footer">
+                <h3>{ _t("Or send invite link") }</h3>
+                <div className="mx_InviteDialog_footer_link">
+                    <a href={link} onClick={this.onLinkClick}>
+                        { link }
+                    </a>
+                    <AccessibleTooltipButton
+                        title={_t("Copy")}
+                        onClick={this.onCopyClick}
+                        className="mx_InviteDialog_footer_link_copy"
+                    >
+                        <div />
+                    </AccessibleTooltipButton>
+                </div>
+            </div>
         } else if (this.props.kind === KIND_INVITE) {
             const room = MatrixClientPeg.get()?.getRoom(this.props.roomId);
             const isSpace = SettingsStore.getValue("feature_spaces") && room?.isSpaceRoom();
@@ -1377,7 +1427,7 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
             title = _t("Transfer");
             buttonText = _t("Transfer");
             goButtonFn = this.transferCall;
-            consultSection = <div>
+            footer = <div>
                 <label>
                     <input type="checkbox" checked={this.state.consultFirst} onChange={this.onConsultFirstChange} />
                     {_t("Consult first")}
@@ -1391,7 +1441,9 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
             || (this.state.filterText && this.state.filterText.includes('@'));
         return (
             <BaseDialog
-                className='mx_InviteDialog'
+                className={classNames("mx_InviteDialog", {
+                    mx_InviteDialog_hasFooter: !!footer,
+                })}
                 hasCancel={true}
                 onFinished={this.props.onFinished}
                 title={title}
@@ -1418,8 +1470,9 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
                     <div className='mx_InviteDialog_userSections'>
                         {this.renderSection('recents')}
                         {this.renderSection('suggestions')}
+                        {extraSection}
                     </div>
-                    {consultSection}
+                    {footer}
                 </div>
             </BaseDialog>
         );

src/i18n/strings/en_EN.json

@@ -2257,6 +2257,9 @@
     "Start a conversation with someone using their name or username (like <userId/>).": "Start a conversation with someone using their name or username (like <userId/>).",
     "This won't invite them to %(communityName)s. To invite someone to %(communityName)s, click <a>here</a>": "This won't invite them to %(communityName)s. To invite someone to %(communityName)s, click <a>here</a>",
     "Go": "Go",
+    "Some suggestions may be hidden for privacy.": "Some suggestions may be hidden for privacy.",
+    "If you can't see who you’re looking for, send them your invite link below.": "If you can't see who you’re looking for, send them your invite link below.",
+    "Or send invite link": "Or send invite link",
     "Unnamed Space": "Unnamed Space",
     "Invite to %(roomName)s": "Invite to %(roomName)s",
     "Invite someone using their name, email address, username (like <userId/>) or <a>share this space</a>.": "Invite someone using their name, email address, username (like <userId/>) or <a>share this space</a>.",