Show a 'grab' cursor on picture-in-picture view (#33079)

* Remove unused 'draggable' prop from PictureInPictureDragger

* Show a 'grab' cursor on picture-in-picture view

To give it a proper affordance for dragging.

apps/web/res/css/_components.pcss

@@ -70,6 +70,7 @@
 @import "./structures/_MatrixChat.pcss";
 @import "./structures/_MessagePanel.pcss";
 @import "./structures/_NonUrgentToastContainer.pcss";
+@import "./structures/_PictureInPictureDragger.pcss";
 @import "./structures/_QuickSettingsButton.pcss";
 @import "./structures/_RightPanel.pcss";
 @import "./structures/_RoomSearch.pcss";
@@ -375,7 +376,6 @@
 @import "./views/voip/_DialPad.pcss";
 @import "./views/voip/_DialPadContextMenu.pcss";
 @import "./views/voip/_DialPadModal.pcss";
-@import "./views/voip/_LegacyCallPreview.pcss";
 @import "./views/voip/_LegacyCallView.pcss";
 @import "./views/voip/_LegacyCallViewForRoom.pcss";
 @import "./views/voip/_LegacyCallViewHeader.pcss";

apps/web/res/css/structures/_PictureInPictureDragger.pcss

@@ -0,0 +1,20 @@
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+.mx_PictureInPictureDragger {
+    cursor: grab;
+    user-select: none;
+    left: 0;
+    position: fixed;
+    top: 0;
+    /* Display above any widget elements */
+    z-index: 102;
+}
+
+.mx_PictureInPictureDragger:active {
+    cursor: grabbing;
+}

apps/web/res/css/views/voip/_LegacyCallPreview.pcss

@@ -1,28 +0,0 @@
-/*
-Copyright 2024 New Vector Ltd.
-Copyright 2021 Šimon Brandner <simon.bra.ag@gmail.com>
-
-SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
-Please see LICENSE files in the repository root for full details.
-*/
-
-.mx_LegacyCallPreview {
-    align-items: flex-end;
-    display: flex;
-    flex-direction: column;
-    gap: $spacing-16;
-    left: 0;
-    position: fixed;
-    top: 0;
-    /* Display above any widget elements */
-    z-index: 102;
-
-    .mx_VideoFeed_remote.mx_VideoFeed_voice {
-        min-height: 150px;
-    }
-
-    .mx_VideoFeed_local {
-        border-radius: 8px;
-        overflow: hidden;
-    }
-}

apps/web/src/components/structures/PictureInPictureDragger.tsx

@@ -37,9 +37,7 @@ interface IChildrenOptions {
 }
 
 interface IProps {
-    className?: string;
     children: Array<CreatePipChildren>;
-    draggable: boolean;
     onDoubleClick?: () => void;
     onMove?: () => void;
 }
@@ -181,9 +179,6 @@ export default class PictureInPictureDragger extends React.Component<IProps> {
     };
 
     private onStartMoving = (event: React.MouseEvent | MouseEvent): void => {
-        event.preventDefault();
-        event.stopPropagation();
-
         this.mouseHeld = true;
         this.startingPositionX = event.clientX;
         this.startingPositionY = event.clientY;
@@ -217,9 +212,6 @@ export default class PictureInPictureDragger extends React.Component<IProps> {
     private onEndMoving = (event: MouseEvent): void => {
         if (!this.mouseHeld) return;
 
-        event.preventDefault();
-        event.stopPropagation();
-
         this.mouseHeld = false;
         // Delaying this to the next event loop tick is necessary for click
         // event cancellation to work
@@ -250,7 +242,7 @@ export default class PictureInPictureDragger extends React.Component<IProps> {
 
         return (
             <aside
-                className={this.props.className}
+                className="mx_PictureInPictureDragger"
                 style={style}
                 ref={this.callViewWrapper}
                 onClickCapture={this.onClickCapture}

apps/web/src/components/structures/PipContainer.tsx

@@ -266,12 +266,7 @@ class PipContainerInner extends React.Component<IProps, IState> {
 
         if (pipContent.length) {
             return (
-                <PictureInPictureDragger
-                    className="mx_LegacyCallPreview"
-                    draggable={pipMode}
-                    onDoubleClick={this.onDoubleClick}
-                    onMove={this.onMove}
-                >
+                <PictureInPictureDragger onDoubleClick={this.onDoubleClick} onMove={this.onMove}>
                     {pipContent}
                 </PictureInPictureDragger>
             );

apps/web/test/unit-tests/components/structures/PictureInPictureDragger-test.tsx

@@ -36,7 +36,7 @@ describe("PictureInPictureDragger", () => {
 
     describe("when rendering the dragger with PiP content 1", () => {
         beforeEach(() => {
-            renderResult = render(<PictureInPictureDragger draggable={true}>{mkContent1}</PictureInPictureDragger>);
+            renderResult = render(<PictureInPictureDragger>{mkContent1}</PictureInPictureDragger>);
         });
 
         it("should render the PiP content", () => {
@@ -45,7 +45,7 @@ describe("PictureInPictureDragger", () => {
 
         describe("and rerendering PiP content 1", () => {
             beforeEach(() => {
-                renderResult.rerender(<PictureInPictureDragger draggable={true}>{mkContent1}</PictureInPictureDragger>);
+                renderResult.rerender(<PictureInPictureDragger>{mkContent1}</PictureInPictureDragger>);
             });
 
             it("should not change the PiP content", () => {
@@ -55,7 +55,7 @@ describe("PictureInPictureDragger", () => {
 
         describe("and rendering PiP content 2", () => {
             beforeEach(() => {
-                renderResult.rerender(<PictureInPictureDragger draggable={true}>{mkContent2}</PictureInPictureDragger>);
+                renderResult.rerender(<PictureInPictureDragger>{mkContent2}</PictureInPictureDragger>);
             });
 
             it("should update the PiP content", () => {
@@ -66,9 +66,7 @@ describe("PictureInPictureDragger", () => {
 
     describe("when rendering the dragger with PiP content 1 and 2", () => {
         beforeEach(() => {
-            renderResult = render(
-                <PictureInPictureDragger draggable={true}>{[...mkContent1, ...mkContent2]}</PictureInPictureDragger>,
-            );
+            renderResult = render(<PictureInPictureDragger>{[...mkContent1, ...mkContent2]}</PictureInPictureDragger>);
         });
 
         it("should render both contents", () => {
@@ -83,7 +81,7 @@ describe("PictureInPictureDragger", () => {
         beforeEach(() => {
             clickSpy = jest.fn();
             render(
-                <PictureInPictureDragger draggable={true}>
+                <PictureInPictureDragger>
                     {[
                         ({ onStartMoving }) => (
                             // eslint-disable-next-line jsx-a11y/click-events-have-key-events

apps/web/test/unit-tests/components/structures/__snapshots__/PictureInPictureDragger-test.tsx.snap

@@ -3,6 +3,7 @@
 exports[`PictureInPictureDragger when rendering the dragger with PiP content 1 and 2 should render both contents 1`] = `
 <div>
   <aside
+    class="mx_PictureInPictureDragger"
     style="transform: translateX(672px) translateY(80px);"
   >
     <div>
@@ -20,6 +21,7 @@ exports[`PictureInPictureDragger when rendering the dragger with PiP content 1 a
 exports[`PictureInPictureDragger when rendering the dragger with PiP content 1 and rendering PiP content 2 should update the PiP content 1`] = `
 <div>
   <aside
+    class="mx_PictureInPictureDragger"
     style="transform: translateX(672px) translateY(80px);"
   >
     <div>
@@ -34,6 +36,7 @@ exports[`PictureInPictureDragger when rendering the dragger with PiP content 1 a
 exports[`PictureInPictureDragger when rendering the dragger with PiP content 1 and rerendering PiP content 1 should not change the PiP content: pip-content-1 1`] = `
 <div>
   <aside
+    class="mx_PictureInPictureDragger"
     style="transform: translateX(672px) translateY(80px);"
   >
     <div>
@@ -46,6 +49,7 @@ exports[`PictureInPictureDragger when rendering the dragger with PiP content 1 a
 exports[`PictureInPictureDragger when rendering the dragger with PiP content 1 should render the PiP content: pip-content-1 1`] = `
 <div>
   <aside
+    class="mx_PictureInPictureDragger"
     style="transform: translateX(672px) translateY(80px);"
   >
     <div>