Improve LinkPreviewWidget (#8881)

* Use shorthand for margin values

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Merge style declarations

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Merge style declarations

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Include mx_MatrixChat_useCompactLayout in mx_LinkPreviewWidget

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Include in mx_LinkPreviewWidget

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* yarn run lint:style --fix

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Use spacing variables

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Use logical variables

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Prevent flex children blowout

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Wrap caption

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* yarn run lint:style --fix

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Set row-gap between image and caption

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Set column-gap between the caption and close button

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Rename the class name

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

* Decrease inline spacing

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

res/css/views/rooms/_LinkPreviewWidget.scss

@@ -15,35 +15,52 @@ limitations under the License.
 */
 
 .mx_LinkPreviewWidget {
-    margin-top: 15px;
+    margin: $spacing-16 0 $spacing-16 auto;
-    margin-right: 15px;
-    margin-bottom: 15px;
     display: flex;
-    border-left: 2px solid $preview-widget-bar-color;
+    column-gap: $spacing-4;
+    border-inline-start: 2px solid $preview-widget-bar-color;
     border-radius: 2px;
     color: $info-plinth-fg-color;
+
+    .mx_MatrixChat_useCompactLayout & {
+        margin-top: 6px;
+        margin-bottom: 6px;
+    }
+
+    // Exclude mx_LinkPreviewGroup_hide from wrapping
+    .mx_LinkPreviewWidget_wrapImageCaption {
+        display: flex;
+        flex-wrap: wrap;
+        row-gap: $spacing-8;
+
+        .mx_LinkPreviewWidget_image,
+        .mx_LinkPreviewWidget_caption {
+            margin-inline-start: $spacing-16;
+            min-width: 0; // Prevent blowout
         }
 
         .mx_LinkPreviewWidget_image {
             flex: 0 0 100px;
-    margin-left: 15px;
             text-align: center;
             cursor: pointer;
         }
 
         .mx_LinkPreviewWidget_caption {
-    margin-left: 15px;
+            flex: 1;
-    flex: 1 1 auto;
             overflow: hidden; // cause it to wrap rather than clip
         }
 
+        .mx_LinkPreviewWidget_title,
+        .mx_LinkPreviewWidget_description {
+            display: -webkit-box;
+            -webkit-box-orient: vertical;
+            overflow: hidden;
+            white-space: normal;
+        }
+
         .mx_LinkPreviewWidget_title {
             font-weight: bold;
-    white-space: normal;
-    display: -webkit-box;
             -webkit-line-clamp: 2;
-    -webkit-box-orient: vertical;
-    overflow: hidden;
 
             .mx_LinkPreviewWidget_siteName {
                 font-weight: normal;
@@ -51,17 +68,9 @@ limitations under the License.
         }
 
         .mx_LinkPreviewWidget_description {
-    margin-top: 8px;
+            margin-top: $spacing-8;
-    white-space: normal;
             word-wrap: break-word;
-    display: -webkit-box;
             -webkit-line-clamp: 3;
-    -webkit-box-orient: vertical;
+        }
-}
-
-.mx_MatrixChat_useCompactLayout {
-    .mx_LinkPreviewWidget {
-        margin-top: 6px;
-        margin-bottom: 6px;
     }
 }

src/components/views/rooms/LinkPreviewWidget.tsx

@@ -120,6 +120,7 @@ export default class LinkPreviewWidget extends React.Component<IProps> {
 
         return (
             <div className="mx_LinkPreviewWidget">
+                <div className="mx_LinkPreviewWidget_wrapImageCaption">
                     { img }
                     <div className="mx_LinkPreviewWidget_caption">
                         <div className="mx_LinkPreviewWidget_title">
@@ -132,6 +133,7 @@ export default class LinkPreviewWidget extends React.Component<IProps> {
                             { description }
                         </div>
                     </div>
+                </div>
                 { this.props.children }
             </div>
         );