Add media controls (#229)

app/src/bridge/components/cast/discovery.ts

@@ -0,0 +1,89 @@
+"use strict";
+
+import mdns from "mdns";
+
+import { ReceiverDevice } from "../../messagingTypes";
+
+/**
+ * Chromecast TXT record
+ */
+interface CastRecord {
+    // Device ID
+    id: string;
+    // Model name (e.g. Chromecast, Google Nest Mini, etc...)
+    md: string;
+    // Friendly name (user-visible)
+    fn: string;
+    // Capabilities
+    ca: string;
+    // Version (?)
+    ve: string;
+    // Icon path (?)
+    ic: string;
+
+    cd: string;
+    rm: string;
+    st: string;
+    bs: string;
+    nf: string;
+    rs: string;
+}
+
+interface DiscoveryOptions {
+    onDeviceFound(device: ReceiverDevice): void;
+    onDeviceDown(deviceId: string): void;
+}
+
+export default class Discovery {
+    browser = mdns.createBrowser(mdns.tcp("googlecast"), {
+        resolverSequence: [
+            mdns.rst.DNSServiceResolve(),
+            "DNSServiceGetAddrInfo" in mdns.dns_sd
+                ? mdns.rst.DNSServiceGetAddrInfo()
+                : // Some issues on Linux with IPv6, so restrict to IPv4
+                  mdns.rst.getaddrinfo({ families: [4] }),
+            mdns.rst.makeAddressesUnique()
+        ]
+    });
+
+    constructor(opts: DiscoveryOptions) {
+        /**
+         * When a service is found, gather device info from service object and
+         * TXT record, then send a `main:receiverDeviceUp` message.
+         */
+        this.browser.on("serviceUp", service => {
+            // Filter invalid results
+            if (!service.txtRecord || !service.name) return;
+
+            const record = service.txtRecord as CastRecord;
+            const device: ReceiverDevice = {
+                id: record.id,
+                friendlyName: record.fn,
+                modelName: record.md,
+                capabilities: parseInt(record.ca),
+                host: service.addresses[0],
+                port: service.port
+            };
+
+            opts.onDeviceFound(device);
+        });
+
+        /**
+         * When a service is lost, send a `main:receiverDeviceDown` message with
+         * the service name as the `deviceId`.
+         */
+        this.browser.on("serviceDown", service => {
+            // Filter invalid results
+            if (!service.name) return;
+
+            opts.onDeviceDown(service.name);
+        });
+    }
+
+    start() {
+        this.browser.start();
+    }
+    stop() {
+        this.browser.stop();
+    }
+}

app/src/bridge/components/cast/remote.ts

@@ -43,6 +43,10 @@ export default class Remote extends CastClient {
         this.transportClient?.disconnect();
     }
 
+    sendMediaMessage(message: SenderMediaMessage) {
+        this.transportClient?.sendMediaMessage(message);
+    }
+
     /**
      * Handle `NS_RECEIVER` messages from the receiver device.
      * On initial connection, a `GET_STATUS` message is sent that
@@ -76,7 +80,8 @@ export default class Remote extends CastClient {
 
             this.transportClient.connect(this.host).then(() => {
                 this.transportClient?.sendMediaMessage({
-                    type: "GET_STATUS"
+                    type: "GET_STATUS",
+                    requestId: 0
                 });
             });
 

app/src/bridge/components/cast/types.ts

@@ -284,7 +284,7 @@ export interface MediaStatus {
     playerState: PlayerState;
     idleReason?: IdleReason;
     items?: QueueItem[];
-    currentTime: number;
+    currentTime: Nullable<number>;
     supportedMediaCommands: number;
     repeatMode: RepeatMode;
     volume: Volume;
@@ -357,11 +357,13 @@ export type SenderMediaMessage =
           type: "MEDIA_GET_STATUS";
           mediaSessionId?: number;
           customData?: unknown;
+          requestId: number;
       }
     | {
           type: "GET_STATUS";
           mediaSessionId?: number;
           customData?: unknown;
+          requestId: number;
       }
     | (MediaReqBase & { type: "STOP" })
     | (MediaReqBase & { type: "MEDIA_SET_VOLUME"; volume: Volume })
@@ -369,24 +371,24 @@ export type SenderMediaMessage =
     | (MediaReqBase & { type: "SET_PLAYBACK_RATE"; playbackRate: number })
     | (ReqBase & {
           type: "LOAD";
-          activeTrackIds: Nullable<number[]>;
+          activeTrackIds?: Nullable<number[]>;
           atvCredentials?: string;
           atvCredentialsType?: string;
-          autoplay: Nullable<boolean>;
+          autoplay?: Nullable<boolean>;
-          currentTime: Nullable<number>;
+          currentTime?: Nullable<number>;
           customData?: unknown;
           media: MediaInformation;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     | (MediaReqBase & {
           type: "SEEK";
-          resumeState: Nullable<ResumeState>;
+          resumeState?: Nullable<ResumeState>;
-          currentTime: Nullable<number>;
+          currentTime?: Nullable<number>;
       })
     | (MediaReqBase & {
           type: "EDIT_TRACKS_INFO";
-          activeTrackIds: Nullable<number[]>;
+          activeTrackIds?: Nullable<number[]>;
-          textTrackStyle: Nullable<string>;
+          textTrackStyle?: Nullable<string>;
       })
     // QueueLoadRequest
     | (MediaReqBase & {
@@ -394,46 +396,46 @@ export type SenderMediaMessage =
           items: QueueItem[];
           startIndex: number;
           repeatMode: string;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueInsertItemsRequest
     | (MediaReqBase & {
           type: "QUEUE_INSERT";
           items: QueueItem[];
-          insertBefore: Nullable<number>;
+          insertBefore?: Nullable<number>;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueUpdateItemsRequest
     | (MediaReqBase & {
           type: "QUEUE_UPDATE";
           items: QueueItem[];
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueJumpRequest
     | (MediaReqBase & {
           type: "QUEUE_UPDATE";
-          jump: Nullable<number>;
+          jump?: Nullable<number>;
-          currentItemId: Nullable<number>;
+          currentItemId?: Nullable<number>;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueRemoveItemsRequest
     | (MediaReqBase & {
           type: "QUEUE_REMOVE";
           itemIds: number[];
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueReorderItemsRequest
     | (MediaReqBase & {
           type: "QUEUE_REORDER";
           itemIds: number[];
-          insertBefore: Nullable<number>;
+          insertBefore?: Nullable<number>;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueSetPropertiesRequest
     | (MediaReqBase & {
           type: "QUEUE_UPDATE";
-          repeatMode: Nullable<string>;
+          repeatMode?: Nullable<string>;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       });
 
 export type ReceiverMediaMessage =

app/src/bridge/components/discovery.ts

@@ -1,133 +0,0 @@
-"use strict";
-
-import mdns from "mdns";
-
-import messaging from "../messaging";
-import { ReceiverDevice } from "../messagingTypes";
-
-import Remote from "./cast/remote";
-
-/**
- * Chromecast TXT record
- */
-interface CastRecord {
-    // Device ID
-    id: string;
-    // Model name (e.g. Chromecast, Google Nest Mini, etc...)
-    md: string;
-    // Friendly name (user-visible)
-    fn: string;
-    // Capabilities
-    ca: string;
-    // Version (?)
-    ve: string;
-    // Icon path (?)
-    ic: string;
-
-    cd: string;
-    rm: string;
-    st: string;
-    bs: string;
-    nf: string;
-    rs: string;
-}
-
-const browser = mdns.createBrowser(mdns.tcp("googlecast"), {
-    resolverSequence: [
-        mdns.rst.DNSServiceResolve(),
-        "DNSServiceGetAddrInfo" in mdns.dns_sd
-            ? mdns.rst.DNSServiceGetAddrInfo()
-            : // Some issues on Linux with IPv6, so restrict to IPv4
-              mdns.rst.getaddrinfo({ families: [4] }),
-        mdns.rst.makeAddressesUnique()
-    ]
-});
-
-interface InitializeOptions {
-    shouldWatchStatus?: boolean;
-}
-
-let shouldWatchStatus: boolean;
-export function startDiscovery(options: InitializeOptions) {
-    shouldWatchStatus = options.shouldWatchStatus ?? false;
-
-    browser.start();
-}
-
-export function stopDiscovery() {
-    browser.stop();
-}
-
-/**
- * Map of device IDs to remote instances.
- */
-const remotes = new Map<string, Remote>();
-
-/**
- * When a service is found, gather device info from service object and
- * TXT record, then send a `main:receiverDeviceUp` message.
- */
-browser.on("serviceUp", service => {
-    // Filter invalid results
-    if (!service.txtRecord || !service.name) return;
-
-    const record = service.txtRecord as CastRecord;
-    const device: ReceiverDevice = {
-        id: record.id,
-        friendlyName: record.fn,
-        modelName: record.md,
-        capabilities: parseInt(record.ca),
-        host: service.addresses[0],
-        port: service.port
-    };
-
-    messaging.sendMessage({
-        subject: "main:receiverDeviceUp",
-        data: {
-            deviceId: device.id,
-            deviceInfo: device
-        }
-    });
-
-    if (shouldWatchStatus) {
-        remotes.set(
-            service.name,
-            new Remote(device.host, {
-                // RECEIVER_STATUS
-                onReceiverStatusUpdate(status) {
-                    messaging.sendMessage({
-                        subject: "main:receiverDeviceStatusUpdated",
-                        data: { deviceId: device.id, status }
-                    });
-                },
-                // MEDIA_STATUS
-                onMediaStatusUpdate(status) {
-                    if (!status) return;
-
-                    messaging.sendMessage({
-                        subject: "main:receiverDeviceMediaStatusUpdated",
-                        data: { deviceId: device.id, status }
-                    });
-                }
-            })
-        );
-    }
-});
-
-/**
- * When a service is lost, send a `main:receiverDeviceDown` message with
- * the service name as the `deviceId`.
- */
-browser.on("serviceDown", service => {
-    // Filter invalid results
-    if (!service.name) return;
-
-    messaging.sendMessage({
-        subject: "main:receiverDeviceDown",
-        data: { deviceId: service.name }
-    });
-
-    if (shouldWatchStatus) {
-        remotes.get(service.name)?.disconnect();
-    }
-});

app/src/bridge/index.ts

@@ -3,16 +3,21 @@
 import messaging, { Message } from "./messaging";
 
 import { handleCastMessage } from "./components/cast";
-import { startDiscovery, stopDiscovery } from "./components/discovery";
+import Discovery from "./components/cast/discovery";
+import Remote from "./components/cast/remote";
+
 import { startMediaServer, stopMediaServer } from "./components/mediaServer";
 
 import { applicationVersion } from "../../config.json";
 
 process.on("SIGTERM", () => {
-    stopDiscovery();
+    discovery?.stop();
     stopMediaServer();
 });
 
+let discovery: Discovery | null = null;
+const remotes = new Map<string, Remote>();
+
 /**
  * Handle incoming messages from the extension and forward
  * them to the appropriate handlers.
@@ -29,7 +34,75 @@ messaging.on("message", (message: Message) => {
         }
 
         case "bridge:startDiscovery": {
-            startDiscovery(message.data);
+            const { shouldWatchStatus } = message.data;
+
+            discovery = new Discovery({
+                onDeviceFound(device) {
+                    messaging.sendMessage({
+                        subject: "main:receiverDeviceUp",
+                        data: {
+                            deviceId: device.id,
+                            deviceInfo: device
+                        }
+                    });
+
+                    if (shouldWatchStatus) {
+                        remotes.set(
+                            device.id,
+                            new Remote(device.host, {
+                                // RECEIVER_STATUS
+                                onReceiverStatusUpdate(status) {
+                                    messaging.sendMessage({
+                                        subject:
+                                            "main:receiverDeviceStatusUpdated",
+                                        data: {
+                                            deviceId: device.id,
+                                            status
+                                        }
+                                    });
+                                },
+                                // MEDIA_STATUS
+                                onMediaStatusUpdate(status) {
+                                    if (!status) return;
+
+                                    messaging.sendMessage({
+                                        subject:
+                                            "main:receiverDeviceMediaStatusUpdated",
+                                        data: {
+                                            deviceId: device.id,
+                                            status
+                                        }
+                                    });
+                                }
+                            })
+                        );
+                    }
+                },
+                onDeviceDown(deviceId) {
+                    messaging.sendMessage({
+                        subject: "main:receiverDeviceDown",
+                        data: { deviceId }
+                    });
+
+                    if (shouldWatchStatus) {
+                        remotes.get(deviceId)?.disconnect();
+                    }
+                }
+            });
+
+            discovery.start();
+
+            break;
+        }
+
+        case "bridge:sendReceiverMessage": {
+            const { deviceId, message: receiverMessage } = message.data;
+            remotes.get(deviceId)?.sendReceiverMessage(receiverMessage);
+            break;
+        }
+        case "bridge:sendMediaMessage": {
+            const { deviceId, message: mediaMessage } = message.data;
+            remotes.get(deviceId)?.sendMediaMessage(mediaMessage);
             break;
         }
 

app/src/bridge/messaging.ts

@@ -7,6 +7,7 @@ import { DecodeTransform, EncodeTransform } from "../transforms";
 import {
     MediaStatus,
     ReceiverStatus,
+    SenderMediaMessage,
     SenderMessage
 } from "./components/cast/types";
 
@@ -71,6 +72,23 @@ type MessageDefinitions = {
         status: MediaStatus;
     };
 
+    /**
+     * Sent to the bridge when non-session related receiver messages
+     * need to be sent (e.g. volume control, application stop, etc...).
+     */
+    "bridge:sendReceiverMessage": {
+        deviceId: string;
+        message: SenderMessage;
+    };
+    /**
+     * Sent to the bridge when the receiver selector media UI is used
+     * to control media playback.
+     */
+    "bridge:sendMediaMessage": {
+        deviceId: string;
+        message: SenderMediaMessage;
+    };
+
     /**
      * Sent to bridge from cast API instance when a session request is
      * initiated.

ext/src/_locales/en/messages.json

@@ -101,6 +101,62 @@
             }
         }
     },
+    "popupShowDetailsTitle": {
+        "message": "Show details",
+        "description": "Receiver device expand button title."
+    },
+    "popupMediaPlay": {
+        "message": "Play",
+        "description": "Media controls play button title."
+    },
+    "popupMediaPause": {
+        "message": "Pause",
+        "description": "Media controls pause button title."
+    },
+    "popupMediaSkipPrevious": {
+        "message": "Skip previous",
+        "description": "Media controls skip previous button title."
+    },
+    "popupMediaSkipNext": {
+        "message": "Skip next",
+        "description": "Media controls skip next button title."
+    },
+    "popupMediaSeek": {
+        "message": "Seek position",
+        "description": "Media controls seek bar accessibility label."
+    },
+    "popupMediaSeekBackward": {
+        "message": "Seek backwards",
+        "description": "Media controls seek backward button title."
+    },
+    "popupMediaSeekForward": {
+        "message": "Seek forwards",
+        "description": "Media controls seek forward button title."
+    },
+    "popupMediaSubtitlesClosedCaptions": {
+        "message": "Subtitles/closed captions",
+        "description": "Media controls subtitles/cc button title."
+    },
+    "popupMediaSubtitlesClosedCaptionsOff": {
+        "message": "Off",
+        "description": "Media controls subtitles/cc button title."
+    },
+    "popupMediaMute": {
+        "message": "Mute",
+        "description": "Media controls mute button title."
+    },
+    "popupMediaUnmute": {
+        "message": "Unmute",
+        "description": "Media controls unmute button title."
+    },
+    "popupMediaVolume": {
+        "message": "Unmute",
+        "description": "Media controls volume slider accessibility label."
+    },
+    "popupMediaLive": {
+        "message": "Live",
+        "description": "Media controls label displayed for live streams."
+    },
 
     "contextCast": {
         "message": "Cast...",

ext/src/background/ReceiverSelector.ts

@@ -5,6 +5,7 @@ import messaging, { Port, Message } from "../messaging";
 import options from "../lib/options";
 
 import { TypedEventTarget } from "../lib/TypedEventTarget";
+import { SenderMediaMessage, SenderMessage } from "../cast/sdk/types";
 import {
     ReceiverDevice,
     ReceiverSelectionActionType,
@@ -25,13 +26,25 @@ export interface ReceiverSelectionStop {
 }
 export type ReceiverSelection = ReceiverSelectionCast | ReceiverSelectionStop;
 
+export interface ReceiverSelectorReceiverMessage {
+    deviceId: string;
+    message: SenderMessage;
+}
+export interface ReceiverSelectorMediaMessage {
+    deviceId: string;
+    message: SenderMediaMessage;
+}
+
 interface ReceiverSelectorEvents {
     selected: ReceiverSelectionCast;
     error: string;
     cancelled: void;
     stop: ReceiverSelectionStop;
     close: void;
+    receiverMessage: ReceiverSelectorReceiverMessage;
+    mediaMessage: ReceiverSelectorMediaMessage;
 }
+
 /**
  * Manages the receiver selector popup window and communication with the
  * extension page hosted within.
@@ -100,7 +113,7 @@ export default class ReceiverSelector extends TypedEventTarget<ReceiverSelectorE
         this.availableMediaTypes = opts.availableMediaTypes;
 
         const popupSizePosition = {
-            width: 350,
+            width: 400,
             height: 200,
             left: 100,
             top: 100
@@ -238,6 +251,21 @@ export default class ReceiverSelector extends TypedEventTarget<ReceiverSelectorE
 
                 break;
             }
+
+            case "receiverSelector:receiverMessage":
+                this.dispatchEvent(
+                    new CustomEvent("receiverMessage", {
+                        detail: message.data
+                    })
+                );
+                break;
+            case "receiverSelector:mediaMessage":
+                this.dispatchEvent(
+                    new CustomEvent("mediaMessage", {
+                        detail: message.data
+                    })
+                );
+                break;
         }
     }
 

ext/src/background/deviceManager.ts

@@ -6,7 +6,13 @@ import { TypedEventTarget } from "../lib/TypedEventTarget";
 
 import { Message, Port } from "../messaging";
 import { ReceiverDevice } from "../types";
-import { ReceiverStatus } from "../cast/sdk/types";
+import {
+    MediaStatus,
+    ReceiverStatus,
+    SenderMediaMessage,
+    SenderMessage
+} from "../cast/sdk/types";
+import { PlayerState } from "../cast/sdk/media/enums";
 
 interface EventMap {
     receiverDeviceUp: { deviceInfo: ReceiverDevice };
@@ -15,6 +21,10 @@ interface EventMap {
         deviceId: string;
         status: ReceiverStatus;
     };
+    receiverDeviceMediaUpdated: {
+        deviceId: string;
+        status: MediaStatus;
+    };
 }
 
 export default new (class extends TypedEventTarget<EventMap> {
@@ -79,6 +89,48 @@ export default new (class extends TypedEventTarget<EventMap> {
         }
     }
 
+    sendReceiverMessage(deviceId: string, message: SenderMessage) {
+        if (!this.bridgePort) {
+            logger.error(
+                "Failed to send receiver message (no bridge connection)"
+            );
+            return;
+        }
+
+        const device = this.receiverDevices.get(deviceId);
+        if (!device) {
+            logger.error(
+                "Failed to send receiver message (could not find device)"
+            );
+            return;
+        }
+
+        this.bridgePort?.postMessage({
+            subject: "bridge:sendReceiverMessage",
+            data: { deviceId, message }
+        });
+    }
+
+    sendMediaMessage(deviceId: string, message: SenderMediaMessage) {
+        if (!this.bridgePort) {
+            logger.error("Failed to send media message (no bridge connection)");
+            return;
+        }
+
+        const device = this.receiverDevices.get(deviceId);
+        if (!device) {
+            logger.error(
+                "Failed to send media message (could not find device)"
+            );
+            return;
+        }
+
+        this.bridgePort?.postMessage({
+            subject: "bridge:sendMediaMessage",
+            data: { deviceId, message }
+        });
+    }
+
     private onBridgeMessage = (message: Message) => {
         switch (message.subject) {
             case "main:receiverDeviceUp": {
@@ -111,29 +163,22 @@ export default new (class extends TypedEventTarget<EventMap> {
 
             case "main:receiverDeviceStatusUpdated": {
                 const { deviceId, status } = message.data;
-                const receiverDevice = this.receiverDevices.get(deviceId);
+                const device = this.receiverDevices.get(deviceId);
-                if (!receiverDevice) {
+                if (!device) break;
-                    break;
+
+                // Clear media status when app status changes
+                const application = status.applications?.[0];
+                if (!application || application.isIdleScreen) {
+                    delete device.mediaStatus;
                 }
 
-                if (receiverDevice.status) {
+                device.status = status;
-                    receiverDevice.status.isActiveInput = status.isActiveInput;
-                    receiverDevice.status.isStandBy = status.isStandBy;
-                    receiverDevice.status.volume = status.volume;
-
-                    if (status.applications) {
-                        receiverDevice.status.applications =
-                            status.applications;
-                    }
-                } else {
-                    receiverDevice.status = status;
-                }
 
                 this.dispatchEvent(
                     new CustomEvent("receiverDeviceUpdated", {
                         detail: {
                             deviceId,
-                            status: receiverDevice.status
+                            status: device.status
                         }
                     })
                 );
@@ -142,6 +187,28 @@ export default new (class extends TypedEventTarget<EventMap> {
             }
 
             case "main:receiverDeviceMediaStatusUpdated": {
+                const { deviceId, status } = message.data;
+                const device = this.receiverDevices.get(deviceId);
+                if (!device) break;
+
+                if (device.mediaStatus) {
+                    device.mediaStatus = { ...device.mediaStatus, ...status };
+                    if (status.playerState === PlayerState.IDLE) {
+                        delete device.mediaStatus.media;
+                    }
+                } else {
+                    device.mediaStatus = status;
+                }
+
+                this.dispatchEvent(
+                    new CustomEvent("receiverDeviceMediaUpdated", {
+                        detail: {
+                            deviceId,
+                            status: device.mediaStatus
+                        }
+                    })
+                );
+
                 break;
             }
         }

ext/src/background/selectorManager.ts

@@ -12,7 +12,9 @@ import deviceManager from "./deviceManager";
 import ReceiverSelector, {
     ReceiverSelection,
     ReceiverSelectionCast,
-    ReceiverSelectionStop
+    ReceiverSelectionStop,
+    ReceiverSelectorMediaMessage,
+    ReceiverSelectorReceiverMessage
 } from "./ReceiverSelector";
 
 import {
@@ -122,6 +124,10 @@ async function getSelection(
             "receiverDeviceUpdated",
             onReceiverChange
         );
+        deviceManager.addEventListener(
+            "receiverDeviceMediaUpdated",
+            onReceiverChange
+        );
 
         function onSelectorSelected(ev: CustomEvent<ReceiverSelectionCast>) {
             logger.info("Selected receiver", ev.detail);
@@ -150,11 +156,27 @@ async function getSelection(
         function onSelectorError(ev: CustomEvent<string>) {
             reject(ev.detail);
         }
+        function onReceiverMessage(
+            ev: CustomEvent<ReceiverSelectorReceiverMessage>
+        ) {
+            deviceManager.sendReceiverMessage(
+                ev.detail.deviceId,
+                ev.detail.message
+            );
+        }
+        function onMediaMessage(ev: CustomEvent<ReceiverSelectorMediaMessage>) {
+            deviceManager.sendMediaMessage(
+                ev.detail.deviceId,
+                ev.detail.message
+            );
+        }
 
         sharedSelector.addEventListener("selected", onSelectorSelected);
         sharedSelector.addEventListener("stop", onSelectorStop);
         sharedSelector.addEventListener("cancelled", onSelectorCancelled);
         sharedSelector.addEventListener("error", onSelectorError);
+        sharedSelector.addEventListener("receiverMessage", onReceiverMessage);
+        sharedSelector.addEventListener("mediaMessage", onMediaMessage);
         sharedSelector.addEventListener("close", removeListeners);
 
         function removeListeners() {
@@ -165,6 +187,11 @@ async function getSelection(
                 onSelectorCancelled
             );
             sharedSelector.removeEventListener("error", onSelectorError);
+            sharedSelector.removeEventListener(
+                "receiverMessage",
+                onReceiverMessage
+            );
+            sharedSelector.removeEventListener("mediaMessage", onMediaMessage);
             sharedSelector.removeEventListener("close", removeListeners);
 
             deviceManager.removeEventListener(
@@ -179,6 +206,10 @@ async function getSelection(
                 "receiverDeviceUpdated",
                 onReceiverChange
             );
+            deviceManager.removeEventListener(
+                "receiverDeviceMediaUpdated",
+                onReceiverChange
+            );
         }
 
         // Ensure status manager is initialized

ext/src/cast/sdk/Session.ts

@@ -19,7 +19,8 @@ import {
     MediaStatus,
     ReceiverMediaMessage,
     SenderMediaMessage,
-    SenderMessage
+    SenderMessage,
+    _MediaCommand
 } from "./types";
 
 import { SessionStatus } from "./enums";
@@ -29,16 +30,6 @@ import { MediaCommand } from "./media/enums";
 import { LoadRequest, QueueLoadRequest, QueueItem } from "./media/classes";
 import Media, { NS_MEDIA } from "./media/Media";
 
-/** supportedMediaCommands bitflag returned in MEDIA_STATUS messages */
-enum _MediaCommand {
-    PAUSE = 1,
-    SEEK = 2,
-    STREAM_VOLUME = 4,
-    STREAM_MUTE = 8,
-    QUEUE_NEXT = 64,
-    QUEUE_PREV = 128
-}
-
 /**
  * Takes a media object and a media status object and merges the status
  * with the existing media object, updating it with new properties.

ext/src/cast/sdk/media/classes.ts

@@ -15,16 +15,6 @@ import {
     UserAction
 } from "./enums";
 
-export class AudiobookChapterMediaMetadata {
-    bookTitle?: string;
-    chapterNumber?: number;
-    chapterTitle?: string;
-    images?: Image[];
-    subtitle?: string;
-    title?: string;
-    type = MetadataType.AUDIOBOOK_CHAPTER;
-}
-
 export class AudiobookContainerMetadata {
     authors?: string[];
     narrators?: string[];
@@ -71,7 +61,7 @@ export class BreakStatus {
 export class ContainerMetadata {
     containerDuration?: number;
     containerImages?: Image[];
-    sections?: MediaMetadata[];
+    sections?: Metadata[];
     title?: string;
 
     constructor(
@@ -88,16 +78,6 @@ export class EditTracksInfoRequest {
     ) {}
 }
 
-export class GenericMediaMetadata {
-    images?: Image[];
-    metadataType = MetadataType.GENERIC;
-    releaseDate?: string;
-    releaseYear?: number;
-    subtitle?: string;
-    title?: string;
-    type = MetadataType.GENERIC;
-}
-
 export class GetStatusRequest {
     customData: unknown = null;
 }
@@ -129,6 +109,7 @@ export class LoadRequest {
 }
 
 export type Metadata =
+    | AudiobookChapterMediaMetadata
     | GenericMediaMetadata
     | MovieMediaMetadata
     | MusicTrackMediaMetadata
@@ -156,33 +137,60 @@ export class MediaInfo {
     constructor(public contentId: string, public contentType: string) {}
 }
 
-export class MediaMetadata {
+export abstract class MediaMetadata<T extends MetadataType> {
     queueItemId?: number;
     sectionDuration?: number;
     sectionStartAbsoluteTime?: number;
     sectionStartTimeInContainer?: number;
     sectionStartTimeInMedia?: number;
-    type: MetadataType;
+    type: T;
-    metadataType: MetadataType;
+    metadataType: T;
 
-    constructor(type: MetadataType) {
+    constructor(type: T) {
         this.type = type;
         this.metadataType = type;
     }
 }
 
-export class MovieMediaMetadata {
+export class AudiobookChapterMediaMetadata extends MediaMetadata<MetadataType.AUDIOBOOK_CHAPTER> {
+    bookTitle?: string;
+    chapterNumber?: number;
+    chapterTitle?: string;
+    images?: Image[];
+    subtitle?: string;
+    title?: string;
+
+    constructor() {
+        super(MetadataType.AUDIOBOOK_CHAPTER);
+    }
+}
+
+export class GenericMediaMetadata extends MediaMetadata<MetadataType.GENERIC> {
+    images?: Image[];
+    releaseDate?: string;
+    releaseYear?: number;
+    subtitle?: string;
+    title?: string;
+
+    constructor() {
+        super(MetadataType.GENERIC);
+    }
+}
+
+export class MovieMediaMetadata extends MediaMetadata<MetadataType.MOVIE> {
     images?: Image[];
-    metadataType = MetadataType.MOVIE;
     releaseDate?: string;
     releaseYear?: number;
     studio?: string;
     subtitle?: string;
     title?: string;
-    type = MetadataType.MOVIE;
+
+    constructor() {
+        super(MetadataType.MOVIE);
+    }
 }
 
-export class MusicTrackMediaMetadata {
+export class MusicTrackMediaMetadata extends MediaMetadata<MetadataType.MUSIC_TRACK> {
     albumArtist?: string;
     albumName?: string;
     artist?: string;
@@ -190,20 +198,18 @@ export class MusicTrackMediaMetadata {
     composer?: string;
     discNumber?: number;
     images?: Image[];
-    metadataType = MetadataType.MUSIC_TRACK;
     releaseDate?: string;
     releaseYear?: number;
     songName?: string;
     title?: string;
     trackNumber?: number;
-    type = MetadataType.MUSIC_TRACK;
+
+    constructor() {
+        super(MetadataType.MUSIC_TRACK);
+    }
 }
 
-export class PauseRequest {
+export class PhotoMediaMetadata extends MediaMetadata<MetadataType.PHOTO> {
-    customData: unknown = null;
-}
-
-export class PhotoMediaMetadata {
     artist?: string;
     creationDateTime?: string;
     height?: number;
@@ -211,10 +217,33 @@ export class PhotoMediaMetadata {
     latitude?: number;
     location?: string;
     longitude?: number;
-    metadataType = MetadataType.PHOTO;
     title?: string;
-    type = MetadataType.PHOTO;
     width?: number;
+
+    constructor() {
+        super(MetadataType.PHOTO);
+    }
+}
+
+export class TvShowMediaMetadata extends MediaMetadata<MetadataType.TV_SHOW> {
+    episode?: number;
+    episodeNumber?: number;
+    episodeTitle?: string;
+    images?: Image[];
+    originalAirdate?: string;
+    releaseYear?: number;
+    season?: number;
+    seasonNumber?: number;
+    seriesTitle?: string;
+    title?: string;
+
+    constructor() {
+        super(MetadataType.TV_SHOW);
+    }
+}
+
+export class PauseRequest {
+    customData: unknown = null;
 }
 
 export class PlayRequest {
@@ -339,21 +368,6 @@ export class Track {
     constructor(public trackId: number, public type: TrackType) {}
 }
 
-export class TvShowMediaMetadata {
-    episode?: number;
-    episodeNumber?: number;
-    episodeTitle?: string;
-    images?: Image[];
-    metadataType: number = MetadataType.TV_SHOW;
-    originalAirdate?: string;
-    releaseYear?: number;
-    season?: number;
-    seasonNumber?: number;
-    seriesTitle?: string;
-    title?: string;
-    type = MetadataType.TV_SHOW;
-}
-
 export class UserActionState {
     customData: unknown = null;
 

ext/src/cast/sdk/types.ts

@@ -15,15 +15,17 @@ import {
 } from "./media/enums";
 
 export interface MediaStatus {
+    activeTrackIds?: number[];
+    currentItemId?: number;
     mediaSessionId: number;
     media?: MediaInfo;
     playbackRate: number;
     playerState: PlayerState;
     idleReason?: IdleReason;
     items?: QueueItem[];
-    currentTime: number;
+    currentTime: Nullable<number>;
     supportedMediaCommands: number;
-    repeatMode: RepeatMode;
+    repeatMode?: RepeatMode;
     volume: Volume;
     customData: unknown;
 }
@@ -66,6 +68,23 @@ export interface CastSessionCreatedDetails extends CastSessionUpdatedDetails {
     transportId: string;
 }
 
+/** supportedMediaCommands bitflag returned in MEDIA_STATUS messages */
+export enum _MediaCommand {
+    PAUSE = 1,
+    SEEK = 2,
+    STREAM_VOLUME = 4,
+    STREAM_MUTE = 8,
+    QUEUE_NEXT = 64,
+    QUEUE_PREV = 128,
+    QUEUE_SHUFFLE = 256,
+    QUEUE_SKIP_AD = 512,
+    QUEUE_REPEAT_ALL = 1024,
+    QUEUE_REPEAT_ONE = 2048,
+    QUEUE_REPEAT = 3072,
+    EDIT_TRACKS = 4096,
+    PLAYBACK_RATE = 8192
+}
+
 interface ReqBase {
     requestId: number;
 }
@@ -91,77 +110,89 @@ interface MediaReqBase extends ReqBase {
 export type SenderMediaMessage =
     | (MediaReqBase & { type: "PLAY" })
     | (MediaReqBase & { type: "PAUSE" })
-    | (MediaReqBase & { type: "MEDIA_GET_STATUS" })
+    | {
+          type: "MEDIA_GET_STATUS";
+          mediaSessionId?: number;
+          customData?: unknown;
+          requestId: number;
+      }
+    | {
+          type: "GET_STATUS";
+          mediaSessionId?: number;
+          customData?: unknown;
+          requestId: number;
+      }
     | (MediaReqBase & { type: "STOP" })
-    | (MediaReqBase & { type: "MEDIA_SET_VOLUME"; volume: Partial<Volume> })
+    | (MediaReqBase & { type: "MEDIA_SET_VOLUME"; volume: Volume })
+    | (MediaReqBase & { type: "SET_VOLUME"; volume: Volume })
     | (MediaReqBase & { type: "SET_PLAYBACK_RATE"; playbackRate: number })
     | (ReqBase & {
           type: "LOAD";
-          activeTrackIds: Nullable<number[]>;
+          activeTrackIds?: Nullable<number[]>;
           atvCredentials?: string;
           atvCredentialsType?: string;
-          autoplay: Nullable<boolean>;
+          autoplay?: Nullable<boolean>;
-          currentTime: Nullable<number>;
+          currentTime?: Nullable<number>;
           customData?: unknown;
           media: MediaInfo;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     | (MediaReqBase & {
           type: "SEEK";
-          resumeState: Nullable<ResumeState>;
+          resumeState?: Nullable<ResumeState>;
-          currentTime: Nullable<number>;
+          currentTime?: Nullable<number>;
       })
     | (MediaReqBase & {
           type: "EDIT_TRACKS_INFO";
-          activeTrackIds: Nullable<number[]>;
+          activeTrackIds?: Nullable<number[]>;
-          textTrackStyle: Nullable<string>;
+          textTrackStyle?: Nullable<string>;
       })
     // QueueLoadRequest
-    | (ReqBase & {
+    | (MediaReqBase & {
           type: "QUEUE_LOAD";
           items: QueueItem[];
           startIndex: number;
           repeatMode: string;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueInsertItemsRequest
     | (MediaReqBase & {
           type: "QUEUE_INSERT";
           items: QueueItem[];
-          insertBefore: Nullable<number>;
+          insertBefore?: Nullable<number>;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueUpdateItemsRequest
     | (MediaReqBase & {
           type: "QUEUE_UPDATE";
           items: QueueItem[];
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueJumpRequest
     | (MediaReqBase & {
           type: "QUEUE_UPDATE";
-          jump: Nullable<number>;
+          jump?: Nullable<number>;
-          currentItemId: Nullable<number>;
+          currentItemId?: Nullable<number>;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueRemoveItemsRequest
     | (MediaReqBase & {
           type: "QUEUE_REMOVE";
           itemIds: number[];
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueReorderItemsRequest
     | (MediaReqBase & {
           type: "QUEUE_REORDER";
           itemIds: number[];
-          insertBefore: Nullable<number>;
+          insertBefore?: Nullable<number>;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       })
     // QueueSetPropertiesRequest
     | (MediaReqBase & {
           type: "QUEUE_UPDATE";
-          repeatMode: Nullable<string>;
+          repeatMode?: Nullable<string>;
-          sessionId: Nullable<string>;
+          sessionId?: Nullable<string>;
       });
 
 export type ReceiverMediaMessage =

ext/src/messaging.ts

@@ -6,7 +6,9 @@ import { BridgeInfo } from "./lib/bridge";
 import {
     ReceiverSelection,
     ReceiverSelectionCast,
-    ReceiverSelectionStop
+    ReceiverSelectionStop,
+    ReceiverSelectorMediaMessage,
+    ReceiverSelectorReceiverMessage
 } from "./background/receiverSelector";
 
 import {
@@ -14,6 +16,7 @@ import {
     CastSessionUpdatedDetails,
     MediaStatus,
     ReceiverStatus,
+    SenderMediaMessage,
     SenderMessage
 } from "./cast/sdk/types";
 import { SessionRequest } from "./cast/sdk/classes";
@@ -55,6 +58,8 @@ type ExtMessageDefinitions = {
 
     "receiverSelector:selected": ReceiverSelection;
     "receiverSelector:stop": ReceiverSelection;
+    "receiverSelector:receiverMessage": ReceiverSelectorReceiverMessage;
+    "receiverSelector:mediaMessage": ReceiverSelectorMediaMessage;
 
     "main:selectReceiver": {
         sessionRequest: SessionRequest;
@@ -128,6 +133,23 @@ type AppMessageDefinitions = {
         status: MediaStatus;
     };
 
+    /**
+     * Sent to the bridge when non-session related receiver messages
+     * need to be sent (e.g. volume control, application stop, etc...).
+     */
+    "bridge:sendReceiverMessage": {
+        deviceId: string;
+        message: SenderMessage;
+    };
+    /**
+     * Sent to the bridge when the receiver selector media UI is used
+     * to control media playback.
+     */
+    "bridge:sendMediaMessage": {
+        deviceId: string;
+        message: SenderMediaMessage;
+    };
+
     /**
      * Sent to bridge from cast API instance when a session request is
      * initiated.

ext/src/types.ts

@@ -1,7 +1,7 @@
 "use strict";
 
 import { SessionRequest } from "./cast/sdk/classes";
-import { ReceiverStatus } from "./cast/sdk/types";
+import { MediaStatus, ReceiverStatus } from "./cast/sdk/types";
 
 export enum ReceiverDeviceCapabilities {
     NONE = 0,
@@ -20,6 +20,7 @@ export interface ReceiverDevice {
     host: string;
     port: number;
     status?: ReceiverStatus;
+    mediaStatus?: MediaStatus;
 }
 
 export enum ReceiverSelectorMediaType {

ext/src/ui/assets/photon_arrowhead_down.svg

@@ -3,11 +3,14 @@
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
     <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
         @media (prefers-color-scheme: dark) {
             path {
                 fill: rgba(249, 249, 250, .8);
             }
         }
     </style>
-   <path fill="rgba(12, 12, 13, .8)" d="M8 12a1 1 0 0 1-.707-.293l-5-5a1 1 0 0 1 1.414-1.414L8 9.586l4.293-4.293a1 1 0 0 1 1.414 1.414l-5 5A1 1 0 0 1 8 12z"></path>
+    <path d="M8 12a1 1 0 0 1-.707-.293l-5-5a1 1 0 0 1 1.414-1.414L8 9.586l4.293-4.293a1 1 0 0 1 1.414 1.414l-5 5A1 1 0 0 1 8 12z"></path>
-</svg>
+</svg>

ext/src/ui/assets/photon_arrowhead_up.svg

@@ -3,11 +3,14 @@
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
     <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
         @media (prefers-color-scheme: dark) {
             path {
                 fill: rgba(249, 249, 250, .8);
             }
         }
     </style>
-   <path fill="rgba(12, 12, 13, .8)" d="M13 11a1 1 0 0 1-.707-.293L8 6.414l-4.293 4.293a1 1 0 0 1-1.414-1.414l5-5a1 1 0 0 1 1.414 0l5 5A1 1 0 0 1 13 11z"></path>
+    <path d="M13 11a1 1 0 0 1-.707-.293L8 6.414l-4.293 4.293a1 1 0 0 1-1.414-1.414l5-5a1 1 0 0 1 1.414 0l5 5A1 1 0 0 1 13 11z"></path>
 </svg>

ext/src/ui/options/Whitelist.svelte

@@ -19,7 +19,7 @@
     let editingInput: HTMLInputElement;
     let editingValue: string;
 
-    let expandedItemIndices = new Set();
+    let expandedItemIndices = new Set<number>();
 
     let knownAppToAdd: Nullable<KnownApp> = null;
     $: filteredKnownApps = Object.values(knownApps).filter(app => {
@@ -217,7 +217,7 @@
                         }}
                     >
                         <img
-                            src="assets/{isItemExpanded
+                            src="../assets/{isItemExpanded
                                 ? 'photon_arrowhead_up.svg'
                                 : 'photon_arrowhead_down.svg'}"
                             alt="icon, arrow down"

ext/src/ui/options/styles/index.css

@@ -1,15 +1,3 @@
-:root {
-    --border-color: var(--grey-90-a20);
-    --secondary-color: rgb(125, 125, 125);
-}
-
-@media (prefers-color-scheme: dark) {
-    :root {
-        --border-color: var(--grey-10-a20);
-        --secondary-color: var(--grey-10-a60);
-    }
-}
-
 #root {
     padding: 20px 10px;
 }
@@ -35,19 +23,6 @@ input:placeholder-shown {
     text-overflow: ellipsis;
 }
 
-button.ghost {
-    width: 24px !important;
-    height: 24px !important;
-    padding: initial;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-}
-
-button.ghost:not(:hover) {
-    background-color: initial;
-}
-
 .form {
     display: flex;
     flex-direction: column;

ext/src/ui/photon-widgets.css

@@ -30,6 +30,9 @@
     --field-box-shadow-error: 0 0 0 1px var(--red-60),
         0 0 0 4px var(--red-60-a30);
 
+    --border-color: var(--grey-90-a20);
+    --secondary-color: rgb(125, 125, 125);
+
     color-scheme: light dark;
 }
 
@@ -46,9 +49,16 @@
         --field-placeholder-color: var(--grey-30);
         --field-border-color: var(--grey-10-a20);
         --field-border-color-hover: var(--grey-10-a30);
+
+        --border-color: var(--grey-10-a20);
+        --secondary-color: var(--grey-10-a60);
     }
 }
 
+* {
+    box-sizing: border-box;
+}
+
 button,
 input,
 textarea,
@@ -62,34 +72,40 @@ select {
     background-color: var(--button-background);
     color: var(--button-color);
 }
-button:not(:disabled):hover,
+button:not(:disabled):hover {
-select:not(:disabled):hover {
     background-color: var(--button-background-hover);
 }
-button:not(:disabled):active,
+button:not(:disabled):active {
-select:not(:disabled):hover:active {
     background-color: var(--button-background-active);
 }
 
 input,
-textarea {
+textarea,
+select {
     background-color: var(--field-background);
     border: 1px solid var(--field-border-color);
     color: var(--field-color);
 }
 
 input:hover,
-textarea:hover {
+textarea:hover,
+select:hover {
     border-color: var(--field-border-color-hover);
 }
 
-:-moz-any(button, input, textarea, select):focus {
+button:focus-visible,
+input:focus-visible,
+textarea:focus-visible,
+select:focus-visible {
     border-color: var(--focus-border-color) !important;
     box-shadow: var(--focus-box-shadow);
     outline: initial;
 }
 
-:-moz-any(button, input, textarea, select):focus::-moz-focus-inner {
+button::-moz-focus-inner,
+input::-moz-focus-inner,
+textarea::-moz-focus-inner,
+select::-moz-focus-inner {
     border: initial;
 }
 
@@ -130,6 +146,22 @@ button:default:hover:active {
     background-color: var(--button-background-primary-active);
 }
 
+.ghost {
+    align-items: center;
+    background-position: center center;
+    background-repeat: no-repeat;
+    display: flex;
+    height: 24px !important;
+    justify-content: center;
+    padding: initial;
+    width: 24px !important;
+}
+
+.ghost:not(:hover),
+.ghost:disabled {
+    background-color: initial;
+}
+
 .select-wrapper {
     --arrow-width: 16px;
     position: relative;
@@ -137,12 +169,16 @@ button:default:hover:active {
 }
 .select-wrapper::after {
     align-items: center;
-    content: "▼";
+    background-image: url("assets/photon_arrowhead_down.svg");
-    opacity: 0.5;
+    background-position: center center;
+    background-repeat: no-repeat;
+    background-size: 80%;
+    content: "";
     display: flex;
     height: 100%;
-    margin-right: 4px;
     justify-content: center;
+    margin-right: 4px;
+    opacity: 0.5;
     pointer-events: none;
     position: absolute;
     right: 0;

ext/src/ui/popup/Popup.svelte

@@ -1,8 +1,6 @@
 <script lang="ts">
     import { afterUpdate, onMount, tick } from "svelte";
 
-    import LoadingIndicator from "../LoadingIndicator.svelte";
-
     import messaging, { Message, Port } from "../../messaging";
     import options, { Options } from "../../lib/options";
     import { RemoteMatchPattern } from "../../lib/matchPattern";
@@ -17,10 +15,10 @@
     import knownApps, { KnownApp } from "../../cast/knownApps";
     import { hasRequiredCapabilities } from "../../cast/utils";
 
-    const _ = browser.i18n.getMessage;
+    import Receiver from "./Receiver.svelte";
+    import deviceStore from "./deviceStore";
 
-    /** List of devices to show in receiver list. */
+    const _ = browser.i18n.getMessage;
-    let receiverDevices: ReceiverDevice[] = [];
 
     /** Currently selected media type. */
     let mediaType = ReceiverSelectorMediaType.App;
@@ -40,7 +38,6 @@
 
     /** Whether casting to a device been initiated from this selector. */
     let isConnecting = false;
-    let connectingId: Nullable<string> = null;
 
     /** Extension options */
     let opts: Nullable<Options> = null;
@@ -65,6 +62,8 @@
     let browserWindow: Nullable<browser.windows.Window> = null;
     let resizeObserver = new ResizeObserver(() => fitWindowHeight());
 
+    window.addEventListener("resize", fitWindowHeight);
+
     onMount(async () => {
         port = messaging.connect({ name: "popup" });
         port.onMessage.addListener(onMessage);
@@ -106,6 +105,8 @@
 
         updateKnownApp();
 
+        resizeObserver.observe(document.documentElement);
+
         window.addEventListener("contextmenu", onContextMenu);
         browser.menus.onClicked.addListener(onMenuClicked);
         browser.menus.onShown.addListener(onMenuShown);
@@ -141,7 +142,7 @@
                  * Filter receiver devices without the required
                  * capabilities.
                  */
-                receiverDevices = message.data.receiverDevices.filter(device =>
+                $deviceStore = message.data.receiverDevices.filter(device =>
                     hasRequiredCapabilities(
                         device,
                         pageInfo?.sessionRequest?.capabilities
@@ -169,9 +170,11 @@
     function fitWindowHeight() {
         if (browserWindow?.id === undefined) return;
         browser.windows.update(browserWindow.id, {
-            height:
+            height: Math.ceil(
-                document.body.clientHeight +
+                (document.body.clientHeight +
-                (window.outerHeight - window.innerHeight)
+                    (window.outerHeight - window.innerHeight)) *
+                    window.devicePixelRatio
+            )
         });
     }
 
@@ -258,7 +261,7 @@
 
         // Match by index rendered receiver element to device array
         if (receiverElementIndex > -1) {
-            return receiverDevices[receiverElementIndex];
+            return $deviceStore[receiverElementIndex];
         }
     }
 
@@ -328,7 +331,6 @@
 
     function onReceiverCast(receiverDevice: ReceiverDevice) {
         isConnecting = true;
-        connectingId = receiverDevice.id;
 
         port?.postMessage({
             subject: "receiverSelector:selected",
@@ -364,86 +366,62 @@
     </button>
 </div>
 
-<div class="media-type-select">
+{#if availableMediaTypes !== ReceiverSelectorMediaType.None}
-    <div class="media-type-select__label-cast">
+    <div class="media-type-select">
-        {_("popupMediaSelectCastLabel")}
+        <div class="media-type-select__label-cast">
-    </div>
+            {_("popupMediaSelectCastLabel")}
-    <div
+        </div>
-        class="select-wrapper"
+        <div class="select-wrapper">
-        class:select-wrapper--disabled={availableMediaTypes ===
+            <select class="media-type-select__dropdown" bind:value={mediaType}>
-            ReceiverSelectorMediaType.None}
-    >
-        <select
-            class="media-type-select__dropdown"
-            bind:value={mediaType}
-            disabled={availableMediaTypes === ReceiverSelectorMediaType.None}
-        >
-            <option
-                value={ReceiverSelectorMediaType.App}
-                disabled={!isAppMediaTypeAvailable}
-            >
-                {knownApp?.name ?? _("popupMediaTypeApp")}
-            </option>
-
-            {#if opts?.mirroringEnabled}
                 <option
-                    value={ReceiverSelectorMediaType.Tab}
+                    value={ReceiverSelectorMediaType.App}
-                    disabled={!(
+                    disabled={!isAppMediaTypeAvailable}
-                        availableMediaTypes & ReceiverSelectorMediaType.Tab
-                    )}
                 >
-                    {_("popupMediaTypeTab")}
+                    {knownApp?.name ?? _("popupMediaTypeApp")}
                 </option>
-                <option
-                    value={ReceiverSelectorMediaType.Screen}
-                    disabled={!(
-                        availableMediaTypes & ReceiverSelectorMediaType.Screen
-                    )}
-                >
-                    {_("popupMediaTypeScreen")}
-                </option>
-            {/if}
-        </select>
-    </div>
-    <div class="media-type-select__label-to">
-        {_("popupMediaSelectToLabel")}
-    </div>
-</div>
 
-<ul class="receivers">
+                {#if opts?.mirroringEnabled}
-    {#if !receiverDevices.length}
+                    <option
-        <div class="receivers__not-found">
+                        value={ReceiverSelectorMediaType.Tab}
+                        disabled={!(
+                            availableMediaTypes & ReceiverSelectorMediaType.Tab
+                        )}
+                    >
+                        {_("popupMediaTypeTab")}
+                    </option>
+                    <option
+                        value={ReceiverSelectorMediaType.Screen}
+                        disabled={!(
+                            availableMediaTypes &
+                            ReceiverSelectorMediaType.Screen
+                        )}
+                    >
+                        {_("popupMediaTypeScreen")}
+                    </option>
+                {/if}
+            </select>
+        </div>
+        <div class="media-type-select__label-to">
+            {_("popupMediaSelectToLabel")}
+        </div>
+    </div>
+{/if}
+
+<ul class="receiver-list">
+    {#if !$deviceStore.length}
+        <div class="receiver-list__not-found">
             {_("popupNoReceiversFound")}
         </div>
     {:else}
-        {#each receiverDevices as device}
+        {#each $deviceStore as device}
-            {@const application = device.status?.applications?.[0]}
+            <Receiver
-            {@const isDeviceConnecting =
+                {port}
-                isConnecting && connectingId === device.id}
+                {device}
-
+                {isMediaTypeAvailable}
-            <li class="receiver">
+                isAnyConnecting={isConnecting}
-                <div class="receiver__name">
+                on:cast={ev => onReceiverCast(ev.detail.device)}
-                    {device.friendlyName}
+                on:stop={ev => onReceiverStop(ev.detail.device)}
-                </div>
+            />
-                <div class="receiver__address">
-                    {application && !application.isIdleScreen
-                        ? application.statusText
-                        : `${device.host}:${device.port}`}
-                </div>
-                <button
-                    class="button receiver__connect"
-                    on:click={() => onReceiverCast(device)}
-                    disabled={isConnecting ||
-                        isDeviceConnecting ||
-                        !isMediaTypeAvailable}
-                >
-                    {#if isDeviceConnecting}
-                        {_("popupCastingButtonTitle", "")}<LoadingIndicator />
-                    {:else}
-                        {_("popupCastButtonTitle")}
-                    {/if}
-                </button>
-            </li>
         {/each}
     {/if}
 </ul>

ext/src/ui/popup/Receiver.svelte

@@ -0,0 +1,179 @@
+<script lang="ts">
+    import { createEventDispatcher, onMount } from "svelte";
+
+    import { PlayerState } from "../../cast/sdk/media/enums";
+    import { SenderMediaMessage, SenderMessage } from "../../cast/sdk/types";
+    import { ReceiverDevice } from "../../types";
+
+    import { Port } from "../../messaging";
+
+    import LoadingIndicator from "../LoadingIndicator.svelte";
+    import ReceiverMedia from "./ReceiverMedia.svelte";
+
+    const _ = browser.i18n.getMessage;
+
+    const dispatch = createEventDispatcher<{
+        cast: { device: ReceiverDevice };
+        stop: { device: ReceiverDevice };
+    }>();
+
+    export let port: Nullable<Port>;
+
+    /** Whether there are sessions being established for any receiver. */
+    export let isAnyConnecting: boolean;
+    /** Whether the selected media type is available for this receiver. */
+    export let isMediaTypeAvailable: boolean;
+
+    /** Receiver device to display. */
+    export let device: ReceiverDevice;
+
+    /** Current receiver application (if available) */
+    $: application = device.status?.applications?.[0];
+    /** Current media status (if available) */
+    $: mediaStatus = device.mediaStatus;
+
+    let isExpanded = false;
+    let isConnecting = false;
+
+    function sendReceiverMessage(
+        partialMessage: DistributiveOmit<SenderMessage, "requestId">
+    ) {
+        const message: SenderMessage = {
+            ...partialMessage,
+            requestId: 0
+        };
+
+        port?.postMessage({
+            subject: "receiverSelector:receiverMessage",
+            data: { deviceId: device.id, message }
+        });
+    }
+    function sendMediaMessage(
+        partialMessage: DistributiveOmit<
+            SenderMediaMessage,
+            "requestId" | "mediaSessionId"
+        >
+    ) {
+        if (!device.mediaStatus) return;
+
+        const message: SenderMediaMessage = {
+            ...(partialMessage as any),
+            requestId: 0,
+            mediaSessionId: device.mediaStatus.mediaSessionId
+        };
+
+        port?.postMessage({
+            subject: "receiverSelector:mediaMessage",
+            data: { deviceId: device.id, message }
+        });
+    }
+
+    onMount(() => {
+        sendMediaMessage({
+            type: "GET_STATUS"
+        });
+    });
+</script>
+
+<li class="receiver">
+    <div class="receiver__details">
+        <div class="receiver__name">
+            {device.friendlyName}
+        </div>
+        {#if application && !application.isIdleScreen}
+            <div class="receiver__status">
+                <span class="receiver__app-name">
+                    {application.displayName}
+                </span>
+                {#if application.statusText !== application.displayName}
+                    · {application.statusText}
+                {/if}
+            </div>
+        {/if}
+    </div>
+    {#if application && !application.isIdleScreen}
+        <button
+            class="receiver__stop-button"
+            on:click={() => dispatch("stop", { device })}
+        >
+            {_("popupStopButtonTitle")}
+        </button>
+    {:else}
+        <button
+            class="receiver__cast-button"
+            disabled={isConnecting || isAnyConnecting || !isMediaTypeAvailable}
+            on:click={() => {
+                isConnecting = true;
+                dispatch("cast", { device });
+            }}
+        >
+            {#if isConnecting}
+                {_("popupCastingButtonTitle", "")}<LoadingIndicator />
+            {:else}
+                {_("popupCastButtonTitle")}
+            {/if}
+        </button>
+    {/if}
+
+    <button
+        type="button"
+        class="receiver__expand-button ghost"
+        class:receiver__expand-button--expanded={isExpanded}
+        title={_("popupShowDetailsTitle")}
+        disabled={!mediaStatus}
+        on:click={() => {
+            isExpanded = !isExpanded;
+        }}
+    />
+
+    {#if isExpanded}
+        <div class="receiver__expanded">
+            {#if mediaStatus}
+                <ReceiverMedia
+                    status={mediaStatus}
+                    {device}
+                    on:togglePlayback={() => {
+                        switch (mediaStatus?.playerState) {
+                            case PlayerState.PLAYING:
+                                sendMediaMessage({ type: "PAUSE" });
+                                break;
+                            case PlayerState.PAUSED:
+                                sendMediaMessage({ type: "PLAY" });
+                                break;
+                        }
+                    }}
+                    on:previous={() => {
+                        sendMediaMessage({
+                            type: "QUEUE_UPDATE",
+                            jump: -1
+                        });
+                    }}
+                    on:next={() => {
+                        sendMediaMessage({
+                            type: "QUEUE_UPDATE",
+                            jump: 1
+                        });
+                    }}
+                    on:seek={ev => {
+                        sendMediaMessage({
+                            type: "SEEK",
+                            currentTime: ev.detail.position
+                        });
+                    }}
+                    on:trackChanged={ev => {
+                        sendMediaMessage({
+                            type: "EDIT_TRACKS_INFO",
+                            activeTrackIds: ev.detail.activeTrackIds
+                        });
+                    }}
+                    on:volumeChanged={ev => {
+                        sendReceiverMessage({
+                            type: "SET_VOLUME",
+                            volume: ev.detail
+                        });
+                    }}
+                />
+            {/if}
+        </div>
+    {/if}
+</li>

ext/src/ui/popup/ReceiverMedia.svelte

@@ -0,0 +1,367 @@
+<script lang="ts">
+    import { createEventDispatcher, onMount } from "svelte";
+
+    import { ReceiverDevice } from "../../types";
+    import { MediaStatus, _MediaCommand } from "../../cast/sdk/types";
+    import { Image, Volume } from "../../cast/sdk/classes";
+    import {
+        MetadataType,
+        PlayerState,
+        StreamType,
+        TrackType
+    } from "../../cast/sdk/media/enums";
+
+    const _ = browser.i18n.getMessage;
+
+    import deviceStore from "./deviceStore";
+
+    const dispatch = createEventDispatcher<{
+        togglePlayback: void;
+        seek: { position: number };
+        previous: void;
+        next: void;
+        trackChanged: { activeTrackIds: number[] };
+        volumeChanged: Partial<Volume>;
+    }>();
+
+    export let status: MediaStatus;
+    export let device: ReceiverDevice;
+
+    $: isPlayingOrPaused =
+        status.playerState === PlayerState.PLAYING ||
+        status.playerState === PlayerState.PAUSED;
+
+    let mediaTitle: Optional<string>;
+    let mediaSubtitle: Optional<string>;
+    let mediaImage: Optional<Image>;
+
+    // Choose subset of metadata depending on metadata type
+    $: {
+        const metadata = status?.media?.metadata;
+
+        mediaTitle = metadata?.title;
+        mediaImage = metadata?.images?.[0];
+        mediaSubtitle = undefined;
+
+        if (metadata) {
+            switch (metadata.metadataType) {
+                case MetadataType.AUDIOBOOK_CHAPTER:
+                    if (metadata.bookTitle) {
+                        metadata.title = metadata.bookTitle;
+                    }
+                    metadata.subtitle = metadata.chapterTitle;
+                    break;
+                case MetadataType.MUSIC_TRACK:
+                    mediaSubtitle = metadata.artist;
+                    break;
+                case MetadataType.TV_SHOW:
+                    if (metadata.seriesTitle) {
+                        mediaTitle = metadata.seriesTitle;
+                        mediaSubtitle = metadata.title;
+                    }
+                    break;
+
+                case MetadataType.MOVIE:
+                case MetadataType.GENERIC:
+                    mediaSubtitle = metadata.subtitle;
+            }
+        }
+    }
+
+    const languageNames = new Intl.DisplayNames(
+        [browser.i18n.getUILanguage()],
+        { type: "language" }
+    );
+
+    // Subtitle/caption tracks
+    $: textTracks = status?.media?.tracks
+        ?.filter(track => track.type === TrackType.TEXT)
+        .map(track => {
+            /**
+             * If track has no name, but does have a language, get a
+             * display name for the language.
+             */
+            if (!track.name && track.language) {
+                try {
+                    const displayName = languageNames.of(track.language);
+                    if (displayName) {
+                        track.name = displayName;
+                    }
+                    // eslint-disable-next-line no-empty
+                } catch (err) {}
+            }
+
+            return track;
+        });
+
+    // Keep track of update times for currentTime estimations
+    let lastUpdateTime = 0;
+    let currentTime = getEstimatedTime();
+
+    deviceStore.subscribe(devices => {
+        const newDevice = devices.find(newDevice => newDevice.id === device.id);
+        if (newDevice?.mediaStatus?.currentTime) {
+            lastUpdateTime = Date.now();
+            currentTime = newDevice.mediaStatus.currentTime;
+        }
+    });
+
+    // Update estimated time every second
+    onMount(() => {
+        const intervalId = window.setInterval(() => {
+            if (currentTime !== getEstimatedTime()) {
+                currentTime = getEstimatedTime();
+            }
+        }, 1000);
+
+        return () => {
+            window.clearInterval(intervalId);
+        };
+    });
+
+    /**
+     * Estimates the current playback position based on the last status
+     * update.
+     */
+    function getEstimatedTime() {
+        if (!status.currentTime) return 0;
+
+        if (status.playerState === PlayerState.PLAYING && lastUpdateTime) {
+            let estimatedTime =
+                status.currentTime + (Date.now() - lastUpdateTime) / 1000;
+
+            if (estimatedTime < 0) {
+                estimatedTime = 0;
+            } else if (
+                status.media?.duration &&
+                estimatedTime > status.media.duration
+            ) {
+                estimatedTime = status.media.duration;
+            }
+
+            return estimatedTime;
+        }
+
+        return status.currentTime;
+    }
+
+    /** Formats seconds into HH:MM:SS */
+    function formatTime(seconds: number) {
+        const date = new Date(seconds * 1000);
+        const hours = date.getUTCHours();
+
+        let ret = "";
+        if (hours) ret += `${hours}:`;
+        ret += `${date.getUTCMinutes()}:`;
+        ret += `${date.getUTCSeconds()}`.padStart(2, "0");
+        return ret;
+    }
+</script>
+
+<div class="media" style:--media-image="url({mediaImage?.url})">
+    {#if mediaTitle}
+        <div class="media__metadata">
+            <div class="media__title" title={mediaTitle}>
+                {mediaTitle}
+            </div>
+            {#if mediaSubtitle}
+                <div class="media__subtitle">
+                    {mediaSubtitle}
+                </div>
+            {/if}
+        </div>
+    {/if}
+
+    <div class="media__controls">
+        <!-- Seek bar -->
+        {#if status.media && status.media?.duration}
+            <div class="media__seek">
+                {#if status.media?.streamType === StreamType.LIVE}
+                    <span class="media__live">
+                        {_("popupMediaLive")}
+                    </span>
+                {/if}
+                <span class="media__current-time">
+                    {formatTime(currentTime)}
+                </span>
+                {#if status.supportedMediaCommands & _MediaCommand.SEEK}
+                    <input
+                        type="range"
+                        class="slider media__seek-bar"
+                        class:slider--indeterminate={status.playerState ===
+                            PlayerState.BUFFERING}
+                        aria-label={_("popupMediaSeek")}
+                        max={status.media.duration ?? currentTime}
+                        value={currentTime}
+                        on:change={ev =>
+                            dispatch("seek", {
+                                position: ev.currentTarget.valueAsNumber
+                            })}
+                    />
+                {:else}
+                    <progress
+                        class="slider media__seek-bar"
+                        class:slider--indeterminate={status.playerState ===
+                            PlayerState.BUFFERING}
+                        max={status.media.duration ?? currentTime}
+                        value={currentTime}
+                    />
+                {/if}
+                {#if status.media.duration}
+                    <span class="media__remaining-time">
+                        -{formatTime(status.media?.duration - currentTime)}
+                    </span>
+                {/if}
+            </div>
+        {/if}
+
+        <div class="media__buttons">
+            {#if status.supportedMediaCommands & _MediaCommand.QUEUE_PREV}
+                <button
+                    class="media__previous-button ghost"
+                    title={_("popupMediaSkipPrevious")}
+                    on:click={() => dispatch("previous")}
+                />
+            {/if}
+            {#if status.supportedMediaCommands & _MediaCommand.SEEK}
+                <button
+                    class="media__backward-button ghost"
+                    title={_("popupMediaSeekBackward")}
+                    disabled={!isPlayingOrPaused}
+                    on:click={() =>
+                        dispatch("seek", { position: currentTime - 5 })}
+                />
+            {/if}
+
+            {#if status.supportedMediaCommands & _MediaCommand.PAUSE}
+                <button
+                    class={`ghost ${
+                        status.playerState === PlayerState.PLAYING ||
+                        status.playerState === PlayerState.BUFFERING
+                            ? "media__pause-button"
+                            : "media__play-button"
+                    }`}
+                    title={isPlayingOrPaused &&
+                    status.playerState === PlayerState.PLAYING
+                        ? _("popupMediaPause")
+                        : _("popupMediaPlay")}
+                    disabled={!isPlayingOrPaused}
+                    on:click={() => dispatch("togglePlayback")}
+                />
+            {/if}
+
+            {#if status.supportedMediaCommands & _MediaCommand.SEEK}
+                <button
+                    class="media__forward-button ghost"
+                    disabled={!isPlayingOrPaused}
+                    title={_("popupMediaSeekForward")}
+                    on:click={() =>
+                        dispatch("seek", { position: currentTime + 5 })}
+                />
+            {/if}
+            {#if status.supportedMediaCommands & _MediaCommand.QUEUE_NEXT}
+                <button
+                    class="media__next-button ghost"
+                    title={_("popupMediaSkipNext")}
+                    on:click={() => dispatch("next")}
+                />
+            {/if}
+
+            {#if textTracks?.length && status.supportedMediaCommands & _MediaCommand.EDIT_TRACKS}
+                {@const activeTextTrackId = status.activeTrackIds?.find(
+                    trackId =>
+                        textTracks?.find(track => track.trackId === trackId)
+                )}
+
+                <select
+                    class="media__cc-button ghost"
+                    class:media__cc-button--off={activeTextTrackId ===
+                        undefined}
+                    title={_("popupMediaSubtitlesClosedCaptions")}
+                    value={activeTextTrackId}
+                    on:change={ev => {
+                        if (!status.activeTrackIds) return;
+
+                        let activeTrackIds = status.activeTrackIds.filter(
+                            trackId => trackId !== activeTextTrackId
+                        );
+
+                        const trackId = parseInt(ev.currentTarget.value);
+                        if (!Number.isNaN(trackId)) {
+                            activeTrackIds.push(trackId);
+                        }
+
+                        dispatch("trackChanged", { activeTrackIds });
+                    }}
+                >
+                    <option value={undefined}>
+                        {_("popupMediaSubtitlesClosedCaptionsOff")}
+                    </option>
+                    {#each textTracks as track}
+                        <option value={track.trackId}>
+                            {track.name ?? track.trackId}
+                        </option>
+                    {/each}
+                </select>
+            {/if}
+
+            <!-- Current time for unseekable live streams since seek bar
+                 is unnecessary -->
+            {#if isPlayingOrPaused && !status.media?.duration}
+                {#if status.media?.streamType === StreamType.LIVE}
+                    <span class="media__live">
+                        {_("popupMediaLive")}
+                    </span>
+                {/if}
+                <span class="media__current-time">
+                    {formatTime(currentTime)}
+                </span>
+            {/if}
+
+            {#if device.status?.volume}
+                {@const volume = device.status?.volume}
+                {@const isMuted = volume.muted || volume.level === 0}
+
+                <div class="media__volume">
+                    <button
+                        class="media__mute-button ghost"
+                        class:media__mute-button--muted={isMuted}
+                        disabled={!("muted" in volume)}
+                        title={isMuted
+                            ? _("popupMediaUnmute")
+                            : _("popupMediaMute")}
+                        on:click={() => {
+                            /**
+                             * If not muted and volume is at 0, max out
+                             * volume instead of flipping mute value.
+                             */
+                            if (!volume.muted && volume.level === 0) {
+                                dispatch("volumeChanged", {
+                                    level: 1
+                                });
+                            } else {
+                                dispatch("volumeChanged", {
+                                    muted: !volume.muted
+                                });
+                            }
+                        }}
+                    />
+                    <input
+                        type="range"
+                        class="slider media__volume-slider"
+                        aria-label={_("popupMediaVolume")}
+                        disabled={!("level" in volume)}
+                        step="0.05"
+                        max={1}
+                        value={volume.muted ? 0 : volume.level}
+                        on:change={ev => {
+                            dispatch("volumeChanged", {
+                                level: ev.currentTarget.valueAsNumber
+                            });
+                        }}
+                    />
+                </div>
+            {/if}
+        </div>
+    </div>
+</div>

ext/src/ui/popup/deviceStore.ts

@@ -0,0 +1,4 @@
+import { writable } from "svelte/store";
+import { ReceiverDevice } from "../../types";
+
+export default writable<ReceiverDevice[]>([]);

ext/src/ui/popup/icons/audio-muted.svg

@@ -0,0 +1,19 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="m11 4.149 0 4.181 1.775 1.775c.3-.641.475-1.35.475-2.105a4.981 4.981 0 0 0-1.818-3.851l-.432 0z" />
+    <path d="M2.067 1.183a.626.626 0 0 0-.885.885L4.115 5 2 5a2 2 0 0 0-2 2l0 2a2 2 0 0 0 2 2l2.117 0 3.128 3.65C7.848 15.353 9 14.927 9 14l0-4.116 3.317 3.317c-.273.232-.56.45-.873.636a.624.624 0 0 0-.218.856.621.621 0 0 0 .856.219 7.58 7.58 0 0 0 1.122-.823l.729.729a.626.626 0 0 0 .884-.886L2.067 1.183z" />
+    <path d="M9 2c0-.926-1.152-1.352-1.755-.649L5.757 3.087 9 6.33 9 2z" />
+    <path d="M11.341 2.169a6.767 6.767 0 0 1 3.409 5.864 6.732 6.732 0 0 1-.83 3.217l.912.912A7.992 7.992 0 0 0 16 8.033a8.018 8.018 0 0 0-4.04-6.95.625.625 0 0 0-.619 1.086z" />
+</svg>

ext/src/ui/popup/icons/audio-none.svg

@@ -0,0 +1,18 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="18px" height="18px" viewBox="0 0 18 18">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="M14.901,3.571l-4.412,3.422V1.919L6.286,5.46H4.869c-1.298,0-2.36,1.062-2.36,2.36v2.36
+           c0,1.062,0.708,1.888,1.652,2.242l-2.242,1.77l1.18,1.416L16.081,4.987L14.901,3.571z M10.489,16.081V11.36l-2.669,2.36
+           L10.489,16.081z" />
+</svg>

ext/src/ui/popup/icons/audio.svg

@@ -0,0 +1,18 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="M7.245 1.35 4.117 5 2 5a2 2 0 0 0-2 2l0 2a2 2 0 0 0 2 2l2.117 0 3.128 3.65C7.848 15.353 9 14.927 9 14L9 2c0-.927-1.152-1.353-1.755-.65z" />
+    <path d="M11.764 15a.623.623 0 0 1-.32-1.162 6.783 6.783 0 0 0 3.306-5.805 6.767 6.767 0 0 0-3.409-5.864.624.624 0 1 1 .619-1.085A8.015 8.015 0 0 1 16 8.033a8.038 8.038 0 0 1-3.918 6.879c-.1.06-.21.088-.318.088z" />
+    <path d="M11.434 11.85A4.982 4.982 0 0 0 13.25 8a4.982 4.982 0 0 0-1.819-3.852l-.431 0 0 7.702.434 0z" />
+</svg>

ext/src/ui/popup/icons/backward.svg

@@ -0,0 +1,17 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="M15.996 3.995c0-.55-.386-.753-.857-.46l-6.284 3.93c-.473.295-.47.776 0 1.07l6.287 3.93c.474.296.858.08.858-.46v-8.01Z" />
+    <path d="M7.495 3.995c0-.55-.386-.753-.857-.46L.354 7.465c-.473.295-.47.776 0 1.07l6.287 3.93c.474.296.858.08.858-.46v-8.01Z" />
+</svg>

ext/src/ui/popup/icons/cc-off.svg

@@ -0,0 +1,23 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="18px" height="18px" viewBox="0 0 18 18">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path fill-rule="evenodd" d="M16.531,16.107H5.267l1.982-2H15c0.6,0,1-0.4,1-1V5.274
+           l1.946-1.964C17.963,3.399,18,3.483,18,3.576v11.031C18,15.407,17.331,16.107,16.531,16.107z M14.016,8.506h-1.218l1.005-1.014
+           C13.913,7.789,13.984,8.128,14.016,8.506z M11.786,12.361c-0.828,0-1.476-0.326-1.913-0.902l1.09-1.101
+           c0.136,0.323,0.374,0.541,0.796,0.541c0.514,0,0.695-0.44,0.756-1.014h1.535C13.908,11.43,13.071,12.361,11.786,12.361z
+           M1.496,16.106C0.697,16.104,0,15.406,0,14.607V3.576c0-0.8,0.7-1.5,1.5-1.5h12.846L16.299,0l1.316,1.283L2.615,17.13L1.496,16.106
+           z M3,4.107c-0.6,0-1,0.4-1,1v8c0,0.6,0.4,1,1,1h0.029l2.031-2.16c-0.757-0.503-1.191-1.457-1.191-2.744
+           c0-1.936,1.069-3.14,2.428-3.14c1.357,0,2.136,0.76,2.361,2.059l3.777-4.016H3z M8.298,8.506H7.355
+           c-0.047-0.623-0.49-1.23-0.99-1.23c-0.561,0-1.337,0.84-1.337,1.995c0,0.674,0.381,1.427,0.95,1.702L8.298,8.506z" />
+</svg>

ext/src/ui/popup/icons/cc-on.svg

@@ -0,0 +1,24 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="18px" height="18px" viewBox="0 0 18 18">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="M16.531,1.984H1.5c-0.8,0-1.5,0.7-1.5,1.5v11.031c0,0.8,0.7,1.5,1.5,1.5h15.031
+           c0.8,0,1.469-0.7,1.469-1.5V3.484C18,2.684,17.331,1.984,16.531,1.984z
+           M16,13.016c0,0.6-0.4,1-1,1H3c-0.6,0-1-0.4-1-1v-8c0-0.6,0.4-1,1-1h12c0.6,0,1,0.4,1,1V13.016z
+           M6.426,10.807c-0.811,0-0.96-0.789-0.96-1.628c0-1.155,0.338-1.745,0.899-1.745c0.5,0,0.818,0.357,0.866,0.98
+           h1.484C8.585,6.877,7.785,5.972,6.297,5.972c-1.359,0-2.428,1.205-2.428,3.14c0,1.944,0.974,3.157,2.583,3.157
+           c1.285,0,2.153-0.93,2.295-2.476H7.244C7.183,10.367,6.94,10.807,6.426,10.807z
+           M11.759,10.807c-0.811,0-0.96-0.789-0.96-1.628c0-1.155,0.338-1.745,0.899-1.745c0.5,0,0.756,0.357,0.803,0.98h1.515
+           c-0.129-1.537-0.898-2.443-2.385-2.443c-1.359,0-2.396,1.205-2.396,3.14c0,1.944,0.943,3.157,2.552,3.157
+           c1.285,0,2.122-0.93,2.264-2.476h-1.535C12.454,10.367,12.273,10.807,11.759,10.807z" />
+</svg>

ext/src/ui/popup/icons/forward.svg

@@ -0,0 +1,17 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="M.004 12.005c0 .55.386.753.857.46l6.284-3.93c.473-.295.47-.776 0-1.07L.858 3.535C.384 3.239 0 3.455 0 3.995v8.01z" />
+    <path d="M8.505 12.005c0 .55.386.753.857.46l6.284-3.93c.473-.295.47-.776 0-1.07L9.36 3.535c-.474-.296-.858-.08-.858.46v8.01z" />
+</svg>

ext/src/ui/popup/icons/next.svg

@@ -0,0 +1,16 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="M13.502 12.005c0 .55-.444.995-1 .995-.552 0-1-.456-1-.995v-8.01c0-.55.444-.995 1-.995.552 0 1 .456 1 .995zm-10.498 0c0 .55.386.753.857.46l6.284-3.93c.473-.295.47-.776 0-1.07l-6.287-3.93c-.474-.296-.858-.08-.858.46v8.01z" />
+</svg>

ext/src/ui/popup/icons/pause.svg

@@ -0,0 +1,17 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="m4.5 14-1 0A1.5 1.5 0 0 1 2 12.5l0-9A1.5 1.5 0 0 1 3.5 2l1 0A1.5 1.5 0 0 1 6 3.5l0 9A1.5 1.5 0 0 1 4.5 14z" />
+    <path d="m11.5 14-1 0A1.5 1.5 0 0 1 9 12.5l0-9A1.5 1.5 0 0 1 10.5 2l1 0A1.5 1.5 0 0 1 13 3.5l0 9a1.5 1.5 0 0 1-1.5 1.5z" />
+</svg>

ext/src/ui/popup/icons/play.svg

@@ -0,0 +1,16 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="m2.992 13.498 0-10.996a1.5 1.5 0 0 1 2.245-1.303l9.621 5.498a1.5 1.5 0 0 1 0 2.605L5.237 14.8a1.5 1.5 0 0 1-2.245-1.302z" />
+</svg>

ext/src/ui/popup/icons/previous.svg

@@ -0,0 +1,16 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+    <style>
+        path {
+            fill: rgba(12, 12, 13, .8);
+        }
+        @media (prefers-color-scheme: dark) {
+            path {
+                fill: rgba(249, 249, 250, .8);
+            }
+        }
+    </style>
+    <path d="M3 3.995C3 3.445 3.444 3 4 3c.552 0 1 .456 1 .995v8.01c0 .55-.444.995-1 .995-.552 0-1-.456-1-.995v-8.01zm10.498 0c0-.55-.386-.753-.857-.46l-6.284 3.93c-.473.295-.47.776 0 1.07l6.287 3.93c.474.296.858.08.858-.46v-8.01z"></path>
+</svg>

ext/src/ui/popup/styles/index.css

@@ -1,25 +1,17 @@
 body {
+    --font-size: 13px;
     background: var(--box-background);
     color: var(--box-color);
     margin: initial;
     font: message-box;
-    font-size: 13px;
+    font-size: var(--font-size);
+    overflow: hidden;
 }
 
 [hidden] {
     display: none !important;
 }
 
-@media (prefers-color-scheme: dark) {
-    .media-type-select,
-    .receiver:not(:last-child) {
-        border-bottom-color: var(--grey-50) !important;
-    }
-    .receiver__address {
-        color: var(--grey-10-a60) !important;
-    }
-}
-
 .whitelist-banner {
     align-items: center;
     background-color: var(--blue-50-a30);
@@ -49,7 +41,7 @@ body {
 
 .media-type-select {
     align-items: baseline;
-    border-bottom: 1px solid rgba(0, 0, 0, 0.25);
+    border-bottom: 1px solid var(--border-color);
     display: flex;
     margin: 0 1em;
     padding: 0.75em 0;
@@ -66,13 +58,14 @@ body {
     margin-inline-start: 0.5em;
 }
 
-.receivers {
+.receiver-list {
     list-style: none;
     margin: initial;
-    padding: initial;
+    padding: 0 1em;
+    padding-bottom: 0.25em;
 }
 
-.receivers__not-found {
+.receiver-list__not-found {
     align-items: center;
     display: flex;
     height: 50px;
@@ -81,45 +74,273 @@ body {
 }
 
 .receiver {
-    column-gap: 0.75em;
+    align-items: center;
-    display: grid;
+    display: flex;
-    grid-template-columns: 1fr min-content;
+    flex-wrap: wrap;
-    grid-template-rows: min-content min-content 1fr;
+    gap: 10px;
-    grid-template-areas:
-        "name connect"
-        "address connect";
-    justify-content: center;
-    margin: 0 1em;
     padding: 0.75em 0;
     position: relative;
 }
-
 .receiver:not(:last-child) {
-    border-bottom: 1px solid rgba(0, 0, 0, 0.25);
+    border-bottom: 1px solid var(--border-color);
+}
+
+.receiver__details {
+    display: flex;
+    flex: 1;
+    flex-direction: column;
+    min-width: 0;
 }
 
 .receiver__name,
-.receiver__address {
+.receiver__status {
     overflow: hidden;
     text-overflow: ellipsis;
     white-space: nowrap;
 }
 
 .receiver__name {
-    font-size: 1.1em;
+    font-size: 1.2em;
-    grid-area: name;
-}
-.receiver__address {
-    color: GrayText;
-    grid-area: address;
 }
 .receiver__status {
-    grid-area: status;
+    color: var(--secondary-color);
 }
-.receiver__connect {
+.receiver__app-name {
+    font-weight: 600;
+}
+
+.receiver__cast-button,
+.receiver__stop-button {
     align-self: center;
-    grid-area: connect;
     justify-self: end;
-    min-width: 100px;
+    min-width: 80px;
-    height: 32px;
+}
+
+.receiver__expand-button {
+    background-image: url("../../assets/photon_arrowhead_down.svg");
+}
+.receiver__expand-button--expanded {
+    background-image: url("../../assets/photon_arrowhead_up.svg");
+}
+
+.receiver__expanded {
+    display: flex;
+    width: 100%;
+}
+
+.media {
+    display: flex;
+    flex-direction: column;
+    width: 100%;
+}
+
+.media__metadata,
+.media__controls {
+    padding: 5px 10px;
+}
+
+.media__metadata {
+    display: flex;
+    flex-direction: column;
+}
+
+.media__title {
+    font-weight: 600;
+}
+.media__subtitle {
+    color: var(--secondary-color);
+}
+.media__title,
+.media__subtitle {
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
+.media__controls {
+    display: flex;
+    flex-direction: column;
+    gap: 5px;
+    margin-top: auto;
+}
+
+.media__seek {
+    align-items: center;
+    display: flex;
+    gap: 10px;
+    min-height: 24px;
+    width: 100%;
+}
+.media__seek-bar {
+    flex: 1;
+}
+
+.media__current-time,
+.media__remaining-time {
+    font-variant-numeric: tabular-nums;
+    text-align: center;
+    min-width: 5ch;
+}
+
+.media__live {
+    background: var(--box-color);
+    border-radius: 4px;
+    color: var(--box-background);
+    font-size: 0.85em;
+    font-weight: bold;
+    opacity: 0.75;
+    padding: 2px 4px;
+    text-transform: uppercase;
+}
+
+.media__buttons {
+    align-items: center;
+    display: flex;
+    gap: inherit;
+}
+
+.media__buttons .ghost {
+    min-height: 28px;
+    min-width: 28px;
+}
+
+.media__play-button {
+    background-image: url("../icons/play.svg");
+}
+.media__pause-button {
+    background-image: url("../icons/pause.svg");
+}
+
+.media__previous-button {
+    background-image: url("../icons/previous.svg");
+}
+.media__backward-button {
+    background-image: url("../icons/backward.svg");
+}
+.media__forward-button {
+    background-image: url("../icons/forward.svg");
+}
+.media__next-button {
+    background-image: url("../icons/next.svg");
+}
+
+.media__cc-button {
+    background-image: url("../icons/cc-on.svg");
+    border: initial;
+    font-size: 0;
+}
+.media__cc-button:hover {
+    background-color: var(--button-background-hover);
+}
+.media__cc-button:active {
+    background-color: var(--button-background-active);
+}
+.media__cc-button--off {
+    background-image: url("../icons/cc-off.svg");
+}
+.media__cc-button > option {
+    font-size: var(--font-size);
+}
+.media__cc-button > option {
+    background-color: var(--box-background);
+}
+
+.media__mute-button {
+    background-image: url("../icons/audio.svg");
+}
+.media__mute-button--muted {
+    background-image: url("../icons/audio-muted.svg");
+}
+
+.media__volume {
+    align-items: center;
+    display: flex;
+    gap: inherit;
+    margin-inline-start: auto;
+    min-width: 0;
+}
+.media__volume-slider {
+    max-width: 100px;
+    min-width: 0;
+}
+
+.slider {
+    --slider-track-height: 5px;
+    --slider-thumb-size: 13px;
+    --slider-fill-color: #00b6f0;
+    --slider-track-color: rgba(0, 0, 0, 0.7);
+    --slider-flare-color: rgba(255, 255, 255, 0.9);
+
+    appearance: none;
+    border: initial;
+    margin: initial;
+    outline: none;
+    padding: initial;
+}
+
+.slider:not(:focus-visible) {
+    border-color: transparent;
+}
+
+.slider::-moz-range-progress,
+.slider::-moz-range-track,
+progress.slider {
+    border-radius: calc(var(--slider-track-height) / 2);
+    height: var(--slider-track-height);
+}
+
+/* <input type="range"> styling */
+input[type="range"].slider {
+    height: 24px;
+}
+.slider::-moz-range-track {
+    background-color: var(--slider-track-color);
+}
+.slider::-moz-range-progress {
+    background-color: var(--slider-fill-color);
+}
+.slider::-moz-range-thumb {
+    background-color: currentColor;
+    border: initial;
+    border-radius: 50%;
+    filter: drop-shadow(0px 0px 2px rgba(0, 0, 0, 0.65));
+    height: var(--slider-thumb-size);
+    width: var(--slider-thumb-size);
+}
+.slider:hover::-moz-range-thumb {
+    background-color: #48a0f7;
+}
+.slider:active::-moz-range-thumb {
+    background-color: #2d89e6;
+}
+
+/* <progress> styling */
+progress.slider {
+    background-color: var(--slider-track-color);
+    overflow: hidden;
+}
+.slider::-moz-progress-bar {
+    appearance: none;
+    background-color: var(--slider-fill-color);
+    border-radius: inherit;
+}
+
+@keyframes indeterminate {
+    from {
+        background-position-x: 0%;
+    }
+    to {
+        background-position-x: -100%;
+    }
+}
+.slider:indeterminate::-moz-progress-bar,
+.slider.slider--indeterminate::-moz-range-progress {
+    animation: indeterminate 1.5s linear infinite;
+    background-image: repeating-linear-gradient(
+        to right,
+        transparent 0%,
+        var(--slider-flare-color) 25%,
+        transparent 50%
+    );
+    background-size: 200% 100%;
 }