signal-desktop/ts/state/ducks/audioPlayer.ts
2022-06-16 15:12:50 -04:00

118 lines
2.5 KiB
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { useBoundActions } from '../../hooks/useBoundActions';
import type {
MessageDeletedActionType,
MessageChangedActionType,
SelectedConversationChangedActionType,
} from './conversations';
import { SELECTED_CONVERSATION_CHANGED } from './conversations';
// State
export type AudioPlayerStateType = {
readonly activeAudioID: string | undefined;
readonly activeAudioContext: string | undefined;
};
// Actions
type SetActiveAudioIDAction = {
type: 'audioPlayer/SET_ACTIVE_AUDIO_ID';
payload: {
id: string | undefined;
context: string | undefined;
};
};
type AudioPlayerActionType = SetActiveAudioIDAction;
// Action Creators
export const actions = {
setActiveAudioID,
};
export const useActions = (): typeof actions => useBoundActions(actions);
function setActiveAudioID(
id: string | undefined,
context: string
): SetActiveAudioIDAction {
return {
type: 'audioPlayer/SET_ACTIVE_AUDIO_ID',
payload: { id, context },
};
}
// Reducer
export function getEmptyState(): AudioPlayerStateType {
return {
activeAudioID: undefined,
activeAudioContext: undefined,
};
}
export function reducer(
state: Readonly<AudioPlayerStateType> = getEmptyState(),
action: Readonly<
| AudioPlayerActionType
| MessageDeletedActionType
| MessageChangedActionType
| SelectedConversationChangedActionType
>
): AudioPlayerStateType {
if (action.type === 'audioPlayer/SET_ACTIVE_AUDIO_ID') {
const { payload } = action;
return {
...state,
activeAudioID: payload.id,
activeAudioContext: payload.context,
};
}
// Reset activeAudioID on conversation change.
if (action.type === SELECTED_CONVERSATION_CHANGED) {
return {
...state,
activeAudioID: undefined,
};
}
// Reset activeAudioID on when played message is deleted on expiration.
if (action.type === 'MESSAGE_DELETED') {
const { id } = action.payload;
if (state.activeAudioID !== id) {
return state;
}
return {
...state,
activeAudioID: undefined,
};
}
// Reset activeAudioID on when played message is deleted for everyone.
if (action.type === 'MESSAGE_CHANGED') {
const { id, data } = action.payload;
if (state.activeAudioID !== id) {
return state;
}
if (!data.deletedForEveryone) {
return state;
}
return {
...state,
activeAudioID: undefined,
};
}
return state;
}