From 9fbe8d3a0cf33e1ec7f631b7651e9fb2bca8440e Mon Sep 17 00:00:00 2001
From: Renaud Chaput <renchap@gmail.com>
Date: Wed, 27 Mar 2024 16:19:33 +0100
Subject: [PATCH] Rewrite PIP state in Typescript (#27645)

Co-authored-by: Claire <claire.github-309c@sitedethib.com>
---
 .../mastodon/actions/picture_in_picture.js    | 46 ----------
 .../mastodon/actions/picture_in_picture.ts    | 31 +++++++
 .../mastodon/containers/status_container.jsx  |  2 +-
 .../picture_in_picture/components/footer.jsx  |  2 +-
 .../picture_in_picture/components/header.jsx  | 51 -----------
 .../picture_in_picture/components/header.tsx  | 46 ++++++++++
 .../features/picture_in_picture/index.jsx     | 89 -------------------
 .../features/picture_in_picture/index.tsx     | 79 ++++++++++++++++
 app/javascript/mastodon/features/ui/index.jsx |  2 +-
 app/javascript/mastodon/reducers/index.ts     |  4 +-
 .../mastodon/reducers/picture_in_picture.js   | 26 ------
 .../mastodon/reducers/picture_in_picture.ts   | 56 ++++++++++++
 app/javascript/mastodon/selectors/index.js    |  2 +-
 13 files changed, 218 insertions(+), 218 deletions(-)
 delete mode 100644 app/javascript/mastodon/actions/picture_in_picture.js
 create mode 100644 app/javascript/mastodon/actions/picture_in_picture.ts
 delete mode 100644 app/javascript/mastodon/features/picture_in_picture/components/header.jsx
 create mode 100644 app/javascript/mastodon/features/picture_in_picture/components/header.tsx
 delete mode 100644 app/javascript/mastodon/features/picture_in_picture/index.jsx
 create mode 100644 app/javascript/mastodon/features/picture_in_picture/index.tsx
 delete mode 100644 app/javascript/mastodon/reducers/picture_in_picture.js
 create mode 100644 app/javascript/mastodon/reducers/picture_in_picture.ts

diff --git a/app/javascript/mastodon/actions/picture_in_picture.js b/app/javascript/mastodon/actions/picture_in_picture.js
deleted file mode 100644
index 898375abeb..0000000000
--- a/app/javascript/mastodon/actions/picture_in_picture.js
+++ /dev/null
@@ -1,46 +0,0 @@
-// @ts-check
-
-export const PICTURE_IN_PICTURE_DEPLOY = 'PICTURE_IN_PICTURE_DEPLOY';
-export const PICTURE_IN_PICTURE_REMOVE = 'PICTURE_IN_PICTURE_REMOVE';
-
-/**
- * @typedef MediaProps
- * @property {string} src
- * @property {boolean} muted
- * @property {number} volume
- * @property {number} currentTime
- * @property {string} poster
- * @property {string} backgroundColor
- * @property {string} foregroundColor
- * @property {string} accentColor
- */
-
-/**
- * @param {string} statusId
- * @param {string} accountId
- * @param {string} playerType
- * @param {MediaProps} props
- * @returns {object}
- */
-export const deployPictureInPicture = (statusId, accountId, playerType, props) => {
-  // @ts-expect-error
-  return (dispatch, getState) => {
-    // Do not open a player for a toot that does not exist
-    if (getState().hasIn(['statuses', statusId])) {
-      dispatch({
-        type: PICTURE_IN_PICTURE_DEPLOY,
-        statusId,
-        accountId,
-        playerType,
-        props,
-      });
-    }
-  };
-};
-
-/*
- * @return {object}
- */
-export const removePictureInPicture = () => ({
-  type: PICTURE_IN_PICTURE_REMOVE,
-});
diff --git a/app/javascript/mastodon/actions/picture_in_picture.ts b/app/javascript/mastodon/actions/picture_in_picture.ts
new file mode 100644
index 0000000000..d34b508a33
--- /dev/null
+++ b/app/javascript/mastodon/actions/picture_in_picture.ts
@@ -0,0 +1,31 @@
+import { createAction } from '@reduxjs/toolkit';
+
+import type { PIPMediaProps } from 'mastodon/reducers/picture_in_picture';
+import { createAppAsyncThunk } from 'mastodon/store/typed_functions';
+
+interface DeployParams {
+  statusId: string;
+  accountId: string;
+  playerType: 'audio' | 'video';
+  props: PIPMediaProps;
+}
+
+export const removePictureInPicture = createAction('pip/remove');
+
+export const deployPictureInPictureAction =
+  createAction<DeployParams>('pip/deploy');
+
+export const deployPictureInPicture = createAppAsyncThunk(
+  'pip/deploy',
+  (args: DeployParams, { dispatch, getState }) => {
+    const { statusId } = args;
+
+    // Do not open a player for a toot that does not exist
+
+    // @ts-expect-error state.statuses is not yet typed
+    // eslint-disable-next-line @typescript-eslint/no-unsafe-call
+    if (getState().hasIn(['statuses', statusId])) {
+      dispatch(deployPictureInPictureAction(args));
+    }
+  },
+);
diff --git a/app/javascript/mastodon/containers/status_container.jsx b/app/javascript/mastodon/containers/status_container.jsx
index 7bd91c8c9d..da93a16b08 100644
--- a/app/javascript/mastodon/containers/status_container.jsx
+++ b/app/javascript/mastodon/containers/status_container.jsx
@@ -262,7 +262,7 @@ const mapDispatchToProps = (dispatch, { intl, contextType }) => ({
   },
 
   deployPictureInPicture (status, type, mediaProps) {
-    dispatch(deployPictureInPicture(status.get('id'), status.getIn(['account', 'id']), type, mediaProps));
+    dispatch(deployPictureInPicture({statusId: status.get('id'), accountId: status.getIn(['account', 'id']), playerType: type, props: mediaProps}));
   },
 
   onInteractionModal (type, status) {
diff --git a/app/javascript/mastodon/features/picture_in_picture/components/footer.jsx b/app/javascript/mastodon/features/picture_in_picture/components/footer.jsx
index 8dfbf54cb6..a7d8356be7 100644
--- a/app/javascript/mastodon/features/picture_in_picture/components/footer.jsx
+++ b/app/javascript/mastodon/features/picture_in_picture/components/footer.jsx
@@ -210,4 +210,4 @@ class Footer extends ImmutablePureComponent {
 
 }
 
-export default  withRouter(connect(makeMapStateToProps)(injectIntl(Footer)));
+export default  connect(makeMapStateToProps)(withRouter(injectIntl(Footer)));
diff --git a/app/javascript/mastodon/features/picture_in_picture/components/header.jsx b/app/javascript/mastodon/features/picture_in_picture/components/header.jsx
deleted file mode 100644
index 31073d7387..0000000000
--- a/app/javascript/mastodon/features/picture_in_picture/components/header.jsx
+++ /dev/null
@@ -1,51 +0,0 @@
-import PropTypes from 'prop-types';
-
-import { defineMessages, injectIntl } from 'react-intl';
-
-import { Link } from 'react-router-dom';
-
-import ImmutablePropTypes from 'react-immutable-proptypes';
-import ImmutablePureComponent from 'react-immutable-pure-component';
-import { connect } from 'react-redux';
-
-import CloseIcon from '@/material-icons/400-24px/close.svg?react';
-import { Avatar } from 'mastodon/components/avatar';
-import { DisplayName } from 'mastodon/components/display_name';
-import { IconButton } from 'mastodon/components/icon_button';
-
-const messages = defineMessages({
-  close: { id: 'lightbox.close', defaultMessage: 'Close' },
-});
-
-const mapStateToProps = (state, { accountId }) => ({
-  account: state.getIn(['accounts', accountId]),
-});
-
-class Header extends ImmutablePureComponent {
-
-  static propTypes = {
-    accountId: PropTypes.string.isRequired,
-    statusId: PropTypes.string.isRequired,
-    account: ImmutablePropTypes.record.isRequired,
-    onClose: PropTypes.func.isRequired,
-    intl: PropTypes.object.isRequired,
-  };
-
-  render () {
-    const { account, statusId, onClose, intl } = this.props;
-
-    return (
-      <div className='picture-in-picture__header'>
-        <Link to={`/@${account.get('acct')}/${statusId}`} className='picture-in-picture__header__account'>
-          <Avatar account={account} size={36} />
-          <DisplayName account={account} />
-        </Link>
-
-        <IconButton icon='times' iconComponent={CloseIcon} onClick={onClose} title={intl.formatMessage(messages.close)} />
-      </div>
-    );
-  }
-
-}
-
-export default connect(mapStateToProps)(injectIntl(Header));
diff --git a/app/javascript/mastodon/features/picture_in_picture/components/header.tsx b/app/javascript/mastodon/features/picture_in_picture/components/header.tsx
new file mode 100644
index 0000000000..0f897dc441
--- /dev/null
+++ b/app/javascript/mastodon/features/picture_in_picture/components/header.tsx
@@ -0,0 +1,46 @@
+import { defineMessages, useIntl } from 'react-intl';
+
+import { Link } from 'react-router-dom';
+
+import CloseIcon from '@/material-icons/400-24px/close.svg?react';
+import { Avatar } from 'mastodon/components/avatar';
+import { DisplayName } from 'mastodon/components/display_name';
+import { IconButton } from 'mastodon/components/icon_button';
+import { useAppSelector } from 'mastodon/store';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' },
+});
+
+interface Props {
+  accountId: string;
+  statusId: string;
+  onClose: () => void;
+}
+
+export const Header: React.FC<Props> = ({ accountId, statusId, onClose }) => {
+  const account = useAppSelector((state) => state.accounts.get(accountId));
+
+  const intl = useIntl();
+
+  if (!account) return null;
+
+  return (
+    <div className='picture-in-picture__header'>
+      <Link
+        to={`/@${account.get('acct')}/${statusId}`}
+        className='picture-in-picture__header__account'
+      >
+        <Avatar account={account} size={36} />
+        <DisplayName account={account} />
+      </Link>
+
+      <IconButton
+        icon='times'
+        iconComponent={CloseIcon}
+        onClick={onClose}
+        title={intl.formatMessage(messages.close)}
+      />
+    </div>
+  );
+};
diff --git a/app/javascript/mastodon/features/picture_in_picture/index.jsx b/app/javascript/mastodon/features/picture_in_picture/index.jsx
deleted file mode 100644
index f087cd1b1d..0000000000
--- a/app/javascript/mastodon/features/picture_in_picture/index.jsx
+++ /dev/null
@@ -1,89 +0,0 @@
-import PropTypes from 'prop-types';
-import { Component } from 'react';
-
-import { connect } from 'react-redux';
-
-import { removePictureInPicture } from 'mastodon/actions/picture_in_picture';
-import Audio from 'mastodon/features/audio';
-import Video from 'mastodon/features/video';
-
-import Footer from './components/footer';
-import Header from './components/header';
-
-const mapStateToProps = state => ({
-  ...state.get('picture_in_picture'),
-});
-
-class PictureInPicture extends Component {
-
-  static propTypes = {
-    statusId: PropTypes.string,
-    accountId: PropTypes.string,
-    type: PropTypes.string,
-    src: PropTypes.string,
-    muted: PropTypes.bool,
-    volume: PropTypes.number,
-    currentTime: PropTypes.number,
-    poster: PropTypes.string,
-    backgroundColor: PropTypes.string,
-    foregroundColor: PropTypes.string,
-    accentColor: PropTypes.string,
-    dispatch: PropTypes.func.isRequired,
-  };
-
-  handleClose = () => {
-    const { dispatch } = this.props;
-    dispatch(removePictureInPicture());
-  };
-
-  render () {
-    const { type, src, currentTime, accountId, statusId } = this.props;
-
-    if (!currentTime) {
-      return null;
-    }
-
-    let player;
-
-    if (type === 'video') {
-      player = (
-        <Video
-          src={src}
-          currentTime={this.props.currentTime}
-          volume={this.props.volume}
-          muted={this.props.muted}
-          autoPlay
-          inline
-          alwaysVisible
-        />
-      );
-    } else if (type === 'audio') {
-      player = (
-        <Audio
-          src={src}
-          currentTime={this.props.currentTime}
-          volume={this.props.volume}
-          muted={this.props.muted}
-          poster={this.props.poster}
-          backgroundColor={this.props.backgroundColor}
-          foregroundColor={this.props.foregroundColor}
-          accentColor={this.props.accentColor}
-          autoPlay
-        />
-      );
-    }
-
-    return (
-      <div className='picture-in-picture'>
-        <Header accountId={accountId} statusId={statusId} onClose={this.handleClose} />
-
-        {player}
-
-        <Footer statusId={statusId} />
-      </div>
-    );
-  }
-
-}
-
-export default connect(mapStateToProps)(PictureInPicture);
diff --git a/app/javascript/mastodon/features/picture_in_picture/index.tsx b/app/javascript/mastodon/features/picture_in_picture/index.tsx
new file mode 100644
index 0000000000..51b72f9725
--- /dev/null
+++ b/app/javascript/mastodon/features/picture_in_picture/index.tsx
@@ -0,0 +1,79 @@
+import { useCallback } from 'react';
+
+import { removePictureInPicture } from 'mastodon/actions/picture_in_picture';
+import Audio from 'mastodon/features/audio';
+import Video from 'mastodon/features/video';
+import { useAppDispatch, useAppSelector } from 'mastodon/store/typed_functions';
+
+import Footer from './components/footer';
+import { Header } from './components/header';
+
+export const PictureInPicture: React.FC = () => {
+  const dispatch = useAppDispatch();
+
+  const handleClose = useCallback(() => {
+    dispatch(removePictureInPicture());
+  }, [dispatch]);
+
+  const pipState = useAppSelector((s) => s.picture_in_picture);
+
+  if (pipState.type === null) {
+    return null;
+  }
+
+  const {
+    type,
+    src,
+    currentTime,
+    accountId,
+    statusId,
+    volume,
+    muted,
+    poster,
+    backgroundColor,
+    foregroundColor,
+    accentColor,
+  } = pipState;
+
+  let player;
+
+  switch (type) {
+    case 'video':
+      player = (
+        <Video
+          src={src}
+          currentTime={currentTime}
+          volume={volume}
+          muted={muted}
+          autoPlay
+          inline
+          alwaysVisible
+        />
+      );
+      break;
+    case 'audio':
+      player = (
+        <Audio
+          src={src}
+          currentTime={currentTime}
+          volume={volume}
+          muted={muted}
+          poster={poster}
+          backgroundColor={backgroundColor}
+          foregroundColor={foregroundColor}
+          accentColor={accentColor}
+          autoPlay
+        />
+      );
+  }
+
+  return (
+    <div className='picture-in-picture'>
+      <Header accountId={accountId} statusId={statusId} onClose={handleClose} />
+
+      {player}
+
+      <Footer statusId={statusId} />
+    </div>
+  );
+};
diff --git a/app/javascript/mastodon/features/ui/index.jsx b/app/javascript/mastodon/features/ui/index.jsx
index 34c5dd3025..77f26fed91 100644
--- a/app/javascript/mastodon/features/ui/index.jsx
+++ b/app/javascript/mastodon/features/ui/index.jsx
@@ -14,7 +14,7 @@ import { HotKeys } from 'react-hotkeys';
 import { focusApp, unfocusApp, changeLayout } from 'mastodon/actions/app';
 import { synchronouslySubmitMarkers, submitMarkers, fetchMarkers } from 'mastodon/actions/markers';
 import { INTRODUCTION_VERSION } from 'mastodon/actions/onboarding';
-import PictureInPicture from 'mastodon/features/picture_in_picture';
+import { PictureInPicture } from 'mastodon/features/picture_in_picture';
 import { layoutFromWindow } from 'mastodon/is_mobile';
 import { WithRouterPropTypes } from 'mastodon/utils/react_router';
 
diff --git a/app/javascript/mastodon/reducers/index.ts b/app/javascript/mastodon/reducers/index.ts
index b88175e777..db5e68a70c 100644
--- a/app/javascript/mastodon/reducers/index.ts
+++ b/app/javascript/mastodon/reducers/index.ts
@@ -28,7 +28,7 @@ import { modalReducer } from './modal';
 import { notificationPolicyReducer } from './notification_policy';
 import { notificationRequestsReducer } from './notification_requests';
 import notifications from './notifications';
-import picture_in_picture from './picture_in_picture';
+import { pictureInPictureReducer } from './picture_in_picture';
 import polls from './polls';
 import push_notifications from './push_notifications';
 import { relationshipsReducer } from './relationships';
@@ -78,7 +78,7 @@ const reducers = {
   polls,
   trends,
   markers: markersReducer,
-  picture_in_picture,
+  picture_in_picture: pictureInPictureReducer,
   history,
   tags,
   followed_tags,
diff --git a/app/javascript/mastodon/reducers/picture_in_picture.js b/app/javascript/mastodon/reducers/picture_in_picture.js
deleted file mode 100644
index 6824ad9303..0000000000
--- a/app/javascript/mastodon/reducers/picture_in_picture.js
+++ /dev/null
@@ -1,26 +0,0 @@
-import { PICTURE_IN_PICTURE_DEPLOY, PICTURE_IN_PICTURE_REMOVE } from 'mastodon/actions/picture_in_picture';
-
-import { TIMELINE_DELETE } from '../actions/timelines';
-
-const initialState = {
-  statusId: null,
-  accountId: null,
-  type: null,
-  src: null,
-  muted: false,
-  volume: 0,
-  currentTime: 0,
-};
-
-export default function pictureInPicture(state = initialState, action) {
-  switch(action.type) {
-  case PICTURE_IN_PICTURE_DEPLOY:
-    return { statusId: action.statusId, accountId: action.accountId, type: action.playerType, ...action.props };
-  case PICTURE_IN_PICTURE_REMOVE:
-    return { ...initialState };
-  case TIMELINE_DELETE:
-    return (state.statusId === action.id) ? { ...initialState } : state;
-  default:
-    return state;
-  }
-}
diff --git a/app/javascript/mastodon/reducers/picture_in_picture.ts b/app/javascript/mastodon/reducers/picture_in_picture.ts
new file mode 100644
index 0000000000..0feddcb706
--- /dev/null
+++ b/app/javascript/mastodon/reducers/picture_in_picture.ts
@@ -0,0 +1,56 @@
+import type { Reducer } from '@reduxjs/toolkit';
+
+import {
+  deployPictureInPictureAction,
+  removePictureInPicture,
+} from 'mastodon/actions/picture_in_picture';
+
+import { TIMELINE_DELETE } from '../actions/timelines';
+
+export interface PIPMediaProps {
+  src: string;
+  muted: boolean;
+  volume: number;
+  currentTime: number;
+  poster: string;
+  backgroundColor: string;
+  foregroundColor: string;
+  accentColor: string;
+}
+
+interface PIPStateWithValue extends Partial<PIPMediaProps> {
+  statusId: string;
+  accountId: string;
+  type: 'audio' | 'video';
+}
+
+interface PIPStateEmpty extends Partial<PIPMediaProps> {
+  type: null;
+}
+
+type PIPState = PIPStateWithValue | PIPStateEmpty;
+
+const initialState = {
+  type: null,
+  muted: false,
+  volume: 0,
+  currentTime: 0,
+};
+
+export const pictureInPictureReducer: Reducer<PIPState> = (
+  state = initialState,
+  action,
+) => {
+  if (deployPictureInPictureAction.match(action))
+    return {
+      statusId: action.payload.statusId,
+      accountId: action.payload.accountId,
+      type: action.payload.playerType,
+      ...action.payload.props,
+    };
+  else if (removePictureInPicture.match(action)) return initialState;
+  else if (action.type === TIMELINE_DELETE)
+    if (state.type && state.statusId === action.id) return initialState;
+
+  return state;
+};
diff --git a/app/javascript/mastodon/selectors/index.js b/app/javascript/mastodon/selectors/index.js
index b1c60403e9..bd9b53919c 100644
--- a/app/javascript/mastodon/selectors/index.js
+++ b/app/javascript/mastodon/selectors/index.js
@@ -60,7 +60,7 @@ export const makeGetStatus = () => {
 
 export const makeGetPictureInPicture = () => {
   return createSelector([
-    (state, { id }) => state.get('picture_in_picture').statusId === id,
+    (state, { id }) => state.picture_in_picture.statusId === id,
     (state) => state.getIn(['meta', 'layout']) !== 'mobile',
   ], (inUse, available) => ImmutableMap({
     inUse: inUse && available,