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import React, { useReducer } from 'react';
import { qualityKey, videoOption } from 'types';
export interface VideoStateType<K = boolean, T = number> {
/**
* @description 是否显示控件
*/
isControl: K;
/**
* @description onProgressMouseDown事件的变化数据，用来区分是onProgressMouseDown事件触发的
*/
progressSliderChangeVal: T;
/**
* @description onProgressMouseUp事件的变化数据，用来区分是onProgressMouseUp事件触发的
*/
progressMouseUpChangeVal: T;
/**
* @description 视频质量清晰度
*/
quality: qualityKey | undefined;
}
/**
* @description 永不变的数据
*/
export interface contextType {
videoRef: HTMLVideoElement | null;
videoContainerRef: HTMLElement | null;
lightOffMaskRef: HTMLElement | null;
dispatch?: React.Dispatch<mergeAction>;
videoFlow: VideoStateType;
propsAttributes?: videoOption;
}
/**
* @description 变化的数据
*/
export const initialState = {
isControl: false,
progressSliderChangeVal: 0,
progressMouseUpChangeVal: 0,
quality: undefined,
};
export const defaultValue = {
videoRef: null,
videoContainerRef: null,
lightOffMaskRef: null,
videoFlow: initialState,
};
export const FlowContext = React.createContext<contextType>(defaultValue);
export interface isControlActionType {
type: 'isControl';
data: VideoStateType['isControl'];
}
export interface progressSliderChangeValActionType {
type: 'progressSliderChangeVal';
data: VideoStateType['progressSliderChangeVal'];
}
export interface progressMouseUpChangeValValActionType {
type: 'progressMouseUpChangeVal';
data: VideoStateType['progressMouseUpChangeVal'];
}
export interface qualityActionType {
type: 'quality';
data: VideoStateType['quality'];
}
export type mergeAction =
| isControlActionType
| progressSliderChangeValActionType
| progressMouseUpChangeValValActionType
| qualityActionType;
export const useVideoFlow = () => {
const reducer = (state: VideoStateType, action: mergeAction) => {
switch (action.type) {
case 'isControl':
return { ...state, isControl: action.data };
case 'progressSliderChangeVal':
return { ...state, progressSliderChangeVal: action.data };
case 'progressMouseUpChangeVal':
return { ...state, progressMouseUpChangeVal: action.data };
case 'quality':
return { ...state, quality: action.data };
default:
return state;
}
};
const [videoFlow, dispatch] = useReducer(reducer, initialState);
return { videoFlow, dispatch };
};
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