mirror of
https://github.com/vector-im/element-call.git
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102 lines
3.5 KiB
TypeScript
102 lines
3.5 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE in the repository root for full details.
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*/
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import { BehaviorSubject, Subject } from "rxjs";
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export interface Controls {
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canEnterPip(): boolean;
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enablePip(): void;
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disablePip(): void;
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/** @deprecated use setAvailableAudioDevices instead*/
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setAvailableOutputDevices(devices: OutputDevice[]): void;
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setAvailableAudioDevices(devices: OutputDevice[]): void;
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/** @deprecated use setAudioDevice instead*/
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setOutputDevice(id: string): void;
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setAudioDevice(id: string): void;
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/** @deprecated use onAudioDeviceSelect instead*/
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onOutputDeviceSelect?: (id: string) => void;
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onAudioDeviceSelect?: (id: string) => void;
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onAudioPlaybackStarted?: () => void;
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/** @deprecated use setAudioEnabled instead*/
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setOutputEnabled(enabled: boolean): void;
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setAudioEnabled(enabled: boolean): void;
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/** @deprecated use showNativeAudioDevicePicker instead*/
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showNativeOutputDevicePicker?: () => void;
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showNativeAudioDevicePicker?: () => void;
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}
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export interface OutputDevice {
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id: string;
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name: string;
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forEarpiece?: boolean;
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isEarpiece?: boolean;
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isSpeaker?: boolean;
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isExternalHeadset?: boolean;
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}
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/**
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* If pipMode is enabled, EC will render a adapted call view layout.
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*/
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export const setPipEnabled$ = new Subject<boolean>();
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// BehaviorSubject since the client might set this before we have subscribed (GroupCallView still in "loading" state)
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// We want the devices that have been set during loading to be available immediately once loaded.
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export const availableOutputDevices$ = new BehaviorSubject<OutputDevice[]>([]);
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// BehaviorSubject since the client might set this before we have subscribed (GroupCallView still in "loading" state)
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// We want the device that has been set during loading to be available immediately once loaded.
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export const outputDevice$ = new BehaviorSubject<string | undefined>(undefined);
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/**
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* This allows the os to mute the call if the user
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* presses the volume down button when it is at the minimum volume.
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*
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* This should also be used to display a darkened overlay screen letting the user know that audio is muted.
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*/
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export const setAudioEnabled$ = new Subject<boolean>();
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let playbackStartedEmitted = false;
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export const setPlaybackStarted = (): void => {
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if (!playbackStartedEmitted) {
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playbackStartedEmitted = true;
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window.controls.onAudioPlaybackStarted?.();
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}
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};
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window.controls = {
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canEnterPip(): boolean {
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return setPipEnabled$.observed;
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},
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enablePip(): void {
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if (!setPipEnabled$.observed) throw new Error("No call is running");
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setPipEnabled$.next(true);
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},
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disablePip(): void {
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if (!setPipEnabled$.observed) throw new Error("No call is running");
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setPipEnabled$.next(false);
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},
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setAvailableAudioDevices(devices: OutputDevice[]): void {
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availableOutputDevices$.next(devices);
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},
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setAudioDevice(id: string): void {
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outputDevice$.next(id);
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},
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setAudioEnabled(enabled: boolean): void {
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if (!setAudioEnabled$.observed)
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throw new Error(
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"Output controls are disabled. No setAudioEnabled$ observer",
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);
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setAudioEnabled$.next(enabled);
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},
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// wrappers for the deprecated controls fields
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setOutputEnabled(enabled: boolean): void {
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this.setAudioEnabled(enabled);
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},
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setAvailableOutputDevices(devices: OutputDevice[]): void {
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this.setAvailableAudioDevices(devices);
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},
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setOutputDevice(id: string): void {
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this.setAudioDevice(id);
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},
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};
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