Rewrite modal system using stack, fix some visual bugs

frontend/src/Settings/Notifications/components.tsx

@@ -50,9 +50,7 @@ const NotificationModal: FunctionComponent<ModalProps & BaseModalProps> = ({
     payload ?? null
   );
 
-  const onShow = useCallback(() => setCurrent(payload ?? null), [payload]);
+  useOnModalShow(() => setCurrent(payload ?? null), modal.modalKey);
-
-  useOnModalShow(modal.modalKey, onShow);
 
   const updateUrl = useCallback(
     (s: string) => {

frontend/src/Settings/Providers/components.tsx

@@ -84,9 +84,7 @@ export const ProviderModal: FunctionComponent = () => {
 
   const [info, setInfo] = useState<Nullable<ProviderInfo>>(payload ?? null);
 
-  const onShow = useCallback(() => setInfo(payload ?? null), [payload]);
+  useOnModalShow(() => setInfo(payload ?? null), ModalKey);
-
-  useOnModalShow(ModalKey, onShow);
 
   const providers = useLatest<string[]>(ProviderKey, isArray);
 

frontend/src/components/modals/BaseModal.tsx

@@ -1,7 +1,7 @@
-import React, { FunctionComponent } from "react";
+import React, { FunctionComponent, useCallback, useState } from "react";
 import { Modal } from "react-bootstrap";
 import { useIsModalShow } from ".";
-import { useCloseModal } from "./provider";
+import { useCloseModal } from "./hooks";
 
 export interface BaseModalProps {
   modalKey: string;
@@ -12,22 +12,33 @@ export interface BaseModalProps {
 }
 
 export const BaseModal: FunctionComponent<BaseModalProps> = (props) => {
-  const { size, closeable, modalKey, title, children, footer } = props;
+  const { size, modalKey, title, children, footer } = props;
+  const [needExit, setExit] = useState(false);
 
   const show = useIsModalShow(modalKey);
-  const closeModal = useCloseModal();
+  const close = useCloseModal();
 
-  const canClose = closeable !== false;
+  const closeable = props.closeable !== false;
+
+  const hide = useCallback(() => {
+    setExit(true);
+  }, []);
+
+  const exit = useCallback(() => {
+    close();
+    setExit(false);
+  }, [close]);
 
   return (
     <Modal
       centered
       size={size}
-      show={show}
+      show={show && !needExit}
-      onHide={closeModal}
+      onHide={hide}
-      backdrop={canClose ? undefined : "static"}
+      onExited={exit}
+      backdrop={closeable ? undefined : "static"}
     >
-      <Modal.Header closeButton={canClose}>{title}</Modal.Header>
+      <Modal.Header closeButton={closeable}>{title}</Modal.Header>
       <Modal.Body>{children}</Modal.Body>
       <Modal.Footer hidden={footer === undefined}>{footer}</Modal.Footer>
     </Modal>

frontend/src/components/modals/HistoryModal.tsx

@@ -6,7 +6,7 @@ import { EpisodesApi, MoviesApi, useAsyncRequest } from "../../apis";
 import { BlacklistButton } from "../../generic/blacklist";
 import { AsyncOverlay } from "../async";
 import BaseModal, { BaseModalProps } from "./BaseModal";
-import { usePayload } from "./provider";
+import { usePayload } from "./hooks";
 
 export const MovieHistoryModal: FunctionComponent<BaseModalProps> = (props) => {
   const { ...modal } = props;

frontend/src/components/modals/ItemEditorModal.tsx

@@ -4,7 +4,7 @@ import { AsyncButton, Selector } from "../";
 import { useLanguageProfiles } from "../../@redux/hooks";
 import { GetItemId } from "../../utilites";
 import BaseModal, { BaseModalProps } from "./BaseModal";
-import { useCloseModal, usePayload } from "./provider";
+import { useCloseModal, usePayload } from "./hooks";
 
 interface Props {
   submit: (form: FormType.ModifyItem) => Promise<void>;

frontend/src/components/modals/SubtitleToolModal.tsx

@@ -48,7 +48,7 @@ import { isMovie, submodProcessColor } from "../../utilites";
 import { log } from "../../utilites/logger";
 import { useCustomSelection } from "../tables/plugins";
 import BaseModal, { BaseModalProps } from "./BaseModal";
-import { useCloseModalUntil } from "./provider";
+import { useCloseModalUntil } from "./hooks";
 import { availableTranslation, colorOptions } from "./toolOptions";
 
 type SupportType = Item.Episode | Item.Movie;
@@ -337,12 +337,12 @@ const STM: FunctionComponent<BaseModalProps & STMProps> = ({ ...props }) => {
   const [processState, setProcessState] = useState<ProcessState>({});
   const [selections, setSelections] = useState<TableColumnType[]>([]);
 
-  const closeUntil = useCloseModalUntil(props.modalKey);
+  const closeUntil = useCloseModalUntil();
 
   const process = useCallback(
     async (action: string, override?: Partial<FormType.ModifySubtitle>) => {
       log("info", "executing action", action);
-      closeUntil();
+      closeUntil(props.modalKey);
       setUpdate(true);
 
       let states = selections.reduce<ProcessState>(
@@ -374,7 +374,7 @@ const STM: FunctionComponent<BaseModalProps & STMProps> = ({ ...props }) => {
       }
       setUpdate(false);
     },
-    [closeUntil, selections]
+    [closeUntil, selections, props.modalKey]
   );
 
   const showModal = useShowModal();

frontend/src/components/modals/hooks.tsx

@@ -0,0 +1,76 @@
+import { useCallback, useContext, useMemo } from "react";
+import { useDidUpdate } from "rooks";
+import { log } from "../../utilites/logger";
+import { ModalContext } from "./provider";
+
+export function useShowModal() {
+  const {
+    control: { push },
+  } = useContext(ModalContext);
+
+  return useCallback(
+    <T,>(key: string, payload?: T) => {
+      log("info", `modal ${key} sending payload`, payload);
+
+      push({ key, payload });
+    },
+    [push]
+  );
+}
+
+export function useCloseModal() {
+  const {
+    control: { pop },
+  } = useContext(ModalContext);
+  return pop;
+}
+
+export function useCloseModalUntil() {
+  const {
+    control: { pop, peek },
+  } = useContext(ModalContext);
+  return useCallback(
+    (key: string) => {
+      let modal = peek();
+      while (modal) {
+        if (modal.key === key) {
+          break;
+        } else {
+          modal = pop();
+        }
+      }
+    },
+    [pop, peek]
+  );
+}
+
+export function useIsModalShow(key: string) {
+  const {
+    control: { peek },
+  } = useContext(ModalContext);
+  const modal = peek();
+  return key === modal?.key;
+}
+
+export function useOnModalShow(callback: () => void, key: string) {
+  const isShow = useIsModalShow(key);
+  useDidUpdate(() => {
+    if (isShow) {
+      callback();
+    }
+  }, [isShow]);
+}
+
+export function usePayload<T>(key: string): T | null {
+  const {
+    control: { peek },
+  } = useContext(ModalContext);
+  return useMemo(() => {
+    const modal = peek();
+    if (modal && modal.key === key) {
+      return modal.payload as T;
+    } else {
+      return null;
+    }
+  }, [key, peek]);
+}

frontend/src/components/modals/index.ts

@@ -1,7 +1,8 @@
 export * from "./BaseModal";
 export * from "./HistoryModal";
+export * from "./hooks";
 export { default as ItemEditorModal } from "./ItemEditorModal";
 export { default as MovieUploadModal } from "./MovieUploadModal";
-export * from "./provider";
+export { default as ModalProvider } from "./provider";
 export { default as SeriesUploadModal } from "./SeriesUploadModal";
 export { default as SubtitleToolModal } from "./SubtitleToolModal";

frontend/src/components/modals/provider.tsx

@@ -1,100 +1,48 @@
-import React, {
+import React, { FunctionComponent, useMemo } from "react";
-  Dispatch,
+import { useStackState } from "rooks";
-  FunctionComponent,
-  useCallback,
-  useContext,
-  useEffect,
-  useMemo,
-  useState,
-} from "react";
-import { log } from "../../utilites/logger";
 
-const ModalContext = React.createContext<[string[], Dispatch<string[]>]>([
+interface Modal {
-  [],
+  key: string;
-  (s) => {},
+  payload: any;
-]);
-
-const PayloadContext = React.createContext<[any[], Dispatch<any[]>]>([
-  [],
-  (p) => {},
-]);
-
-// TODO: Performance
-export function useShowModal() {
-  const [keys, setKeys] = useContext(ModalContext);
-  const [payloads, setPayloads] = useContext(PayloadContext);
-  return useCallback(
-    <T,>(key: string, payload?: T) => {
-      log("info", `modal ${key} sending payload`, payload);
-
-      setKeys([...keys, key]);
-      setPayloads([...payloads, payload ?? null]);
-    },
-    [keys, payloads, setKeys, setPayloads]
-  );
-}
-
-export function useCloseModal() {
-  const [keys, setKeys] = useContext(ModalContext);
-  const [payloads, setPayloads] = useContext(PayloadContext);
-  return useCallback(() => {
-    const newKey = [...keys];
-    newKey.pop();
-    const newPayload = [...payloads];
-    newPayload.pop();
-    setKeys(newKey);
-    setPayloads(newPayload);
-  }, [keys, payloads, setKeys, setPayloads]);
 }
 
-export function useCloseModalUntil(key: string) {
+interface ModalControl {
-  const [keys, setKeys] = useContext(ModalContext);
+  push: (modal: Modal) => void;
-  const [payloads, setPayloads] = useContext(PayloadContext);
+  peek: () => Modal | undefined;
-  return useCallback(() => {
+  pop: () => Modal | undefined;
-    const idx = keys.findIndex((v) => v === key);
-    if (idx !== -1) {
-      const newKey = keys.slice(0, idx + 1);
-      const newPayload = payloads.slice(0, idx + 1);
-      setKeys(newKey);
-      setPayloads(newPayload);
-    } else {
-      log("error", "Cannot close modal, key is unavailable");
-    }
-  }, [keys, payloads, setKeys, setPayloads, key]);
 }
 
-export function useIsModalShow(key: string) {
+interface ModalContextType {
-  const keys = useContext(ModalContext)[0];
+  modals: Modal[];
-  return key === keys[keys.length - 1];
+  control: ModalControl;
 }
 
-export function useOnModalShow(key: string, show: () => void) {
+export const ModalContext = React.createContext<ModalContextType>({
-  const isShow = useIsModalShow(key);
+  modals: [],
-  useEffect(() => {
+  control: {
-    if (isShow) {
+    push: () => {
-      show();
+      throw new Error("Unimplemented");
-    }
+    },
-  }, [isShow, show]);
+    pop: () => {
-}
+      throw new Error("Unimplemented");
+    },
+    peek: () => {
+      throw new Error("Unimplemented");
+    },
+  },
+});
 
-export function usePayload<T>(key: string): T | null {
+const ModalProvider: FunctionComponent = ({ children }) => {
-  const payloads = useContext(PayloadContext)[0];
+  const [stack, { push, pop, peek }] = useStackState([]);
-  const keys = useContext(ModalContext)[0];
-  return useMemo(() => {
-    const idx = keys.findIndex((v) => v === key);
-    return idx !== -1 ? payloads[idx] : null;
-  }, [keys, payloads, key]);
-}
 
-export const ModalProvider: FunctionComponent = ({ children }) => {
+  const context = useMemo<ModalContextType>(
-  const [key, setKey] = useState<string[]>([]);
+    () => ({ modals: stack, control: { push, pop, peek } }),
-  const [payload, setPayload] = useState<any[]>([]);
+    [stack, push, pop, peek]
+  );
 
   return (
-    <ModalContext.Provider value={[key, setKey]}>
+    <ModalContext.Provider value={context}>{children}</ModalContext.Provider>
-      <PayloadContext.Provider value={[payload, setPayload]}>
-        {children}
-      </PayloadContext.Provider>
-    </ModalContext.Provider>
   );
 };
+
+export default ModalProvider;