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App.tsx
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App.tsx
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import React, { useRef, useState } from 'react';
import styled from 'styled-components';
import { Preview, PreviewState } from '@creatomate/preview';
import { useWindowWidth } from '../utility/useWindowWidth';
import { SettingsPanel } from './SettingsPanel';
const App: React.FC = () => {
// React Hook to update the component when the window width changes
const windowWidth = useWindowWidth();
// Video aspect ratio that can be calculated once the video is loaded
const [videoAspectRatio, setVideoAspectRatio] = useState<number>();
// Reference to the preview
const previewRef = useRef<Preview>();
// Current state of the preview
const [isReady, setIsReady] = useState(false);
const [isLoading, setIsLoading] = useState(true);
const [currentState, setCurrentState] = useState<PreviewState>();
// This sets up the video player in the provided HTML DIV element
const setUpPreview = (htmlElement: HTMLDivElement) => {
if (previewRef.current) {
previewRef.current.dispose();
previewRef.current = undefined;
}
// Initialize a preview
const preview = new Preview(htmlElement, 'player', process.env.NEXT_PUBLIC_CREATOMATE_PUBLIC_TOKEN!);
// Once the SDK is ready, load a template from our project
preview.onReady = async () => {
await preview.loadTemplate(process.env.NEXT_PUBLIC_TEMPLATE_ID!);
setIsReady(true);
};
preview.onLoad = () => {
setIsLoading(true);
};
preview.onLoadComplete = () => {
setIsLoading(false);
};
// Listen for state changes of the preview
preview.onStateChange = (state) => {
setCurrentState(state);
setVideoAspectRatio(state.width / state.height);
};
previewRef.current = preview;
};
return (
<Component>
<Wrapper>
<Container
ref={(htmlElement) => {
if (htmlElement && htmlElement !== previewRef.current?.element) {
setUpPreview(htmlElement);
}
}}
style={{
height:
videoAspectRatio && windowWidth && windowWidth < 768 ? window.innerWidth / videoAspectRatio : undefined,
}}
/>
</Wrapper>
<Panel>
{isReady && (
<PanelContent id="panel">
<SettingsPanel preview={previewRef.current!} currentState={currentState} />
</PanelContent>
)}
</Panel>
{isLoading && <LoadIndicator>Loading...</LoadIndicator>}
</Component>
);
};
export default App;
const Component = styled.div`
width: 100vw;
height: 100vh;
display: flex;
flex-direction: column;
@media (min-width: 768px) {
flex-direction: row;
}
`;
const Wrapper = styled.div`
display: flex;
@media (min-width: 768px) {
flex: 1;
padding: 20px;
}
`;
const Container = styled.div`
width: 100%;
height: 100%;
max-width: 720px;
max-height: 720px;
margin: auto;
`;
const Panel = styled.div`
flex: 1;
position: relative;
background: #fff;
box-shadow: rgba(0, 0, 0, 0.1) 0 6px 15px 0;
@media (min-width: 768px) {
flex: initial;
margin: 50px;
width: 400px;
border-radius: 15px;
}
`;
const PanelContent = styled.div`
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
padding: 20px;
overflow: auto;
`;
const LoadIndicator = styled.div`
position: fixed;
top: 20px;
left: 50%;
transform: translateX(-50%);
padding: 5px 15px;
background: #fff;
box-shadow: rgba(0, 0, 0, 0.1) 0 6px 15px 0;
border-radius: 5px;
font-size: 15px;
font-weight: 600;
@media (min-width: 768px) {
top: 50px;
left: calc((100% - 400px) / 2);
}
`;