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import React, { Component } from 'react';
import PropTypes from 'prop-types';
import { observer } from 'mobx-react';
import injectSheet from 'react-jss';
import Webview from 'react-electron-web-view';
import * as environment from '../../../environment';
const styles = theme => ({
root: {
background: theme.colorBackground,
position: 'relative',
borderLeft: [1, 'solid', theme.todos.todosLayer.borderLeftColor],
},
webview: {
height: '100%',
},
resizeHandler: {
position: 'absolute',
left: 0,
marginLeft: -5,
width: 10,
zIndex: 400,
cursor: 'col-resize',
},
dragIndicator: {
position: 'absolute',
left: 0,
width: 5,
zIndex: 400,
background: theme.todos.dragIndicator.background,
},
});
@injectSheet(styles) @observer
class TodosWebview extends Component {
static propTypes = {
classes: PropTypes.object.isRequired,
authToken: PropTypes.string.isRequired,
handleClientMessage: PropTypes.func.isRequired,
setTodosWebview: PropTypes.func.isRequired,
resize: PropTypes.func.isRequired,
width: PropTypes.number.isRequired,
minWidth: PropTypes.number.isRequired,
};
state = {
isDragging: false,
width: 300,
};
componentWillMount() {
const { width } = this.props;
this.setState({
width,
});
}
componentDidMount() {
this.node.addEventListener('mousemove', this.resizePanel.bind(this));
this.node.addEventListener('mouseup', this.stopResize.bind(this));
this.node.addEventListener('mouseleave', this.stopResize.bind(this));
}
startResize = (event) => {
this.setState({
isDragging: true,
initialPos: event.clientX,
delta: 0,
});
};
resizePanel(e) {
const { minWidth } = this.props;
const {
isDragging,
initialPos,
} = this.state;
if (isDragging && Math.abs(e.clientX - window.innerWidth) > minWidth) {
const delta = e.clientX - initialPos;
this.setState({
delta,
});
}
}
stopResize() {
const {
resize,
minWidth,
} = this.props;
const {
isDragging,
delta,
width,
} = this.state;
if (isDragging) {
let newWidth = width + (delta < 0 ? Math.abs(delta) : -Math.abs(delta));
if (newWidth < minWidth) {
newWidth = minWidth;
}
this.setState({
isDragging: false,
delta: 0,
width: newWidth,
});
resize(newWidth);
}
}
startListeningToIpcMessages() {
const { handleClientMessage } = this.props;
if (!this.webview) return;
this.webview.addEventListener('ipc-message', e => handleClientMessage(e.args[0]));
}
render() {
const { authToken, classes } = this.props;
const { width, delta, isDragging } = this.state;
return (
<>
<div
className={classes.root}
style={{ width }}
onMouseUp={() => this.stopResize()}
ref={(node) => { this.node = node; }}
>
<div
className={classes.resizeHandler}
style={Object.assign({ left: delta }, isDragging ? { width: 600, marginLeft: -200 } : {})} // This hack is required as resizing with webviews beneath behaves quite bad
onMouseDown={e => this.startResize(e)}
/>
{isDragging && (
<div
className={classes.dragIndicator}
style={{ left: delta }} // This hack is required as resizing with webviews beneath behaves quite bad
/>
)}
<Webview
className={classes.webview}
onDidAttach={() => {
const { setTodosWebview } = this.props;
setTodosWebview(this.webview);
this.startListeningToIpcMessages();
}}
partition="persist:todos"
preload="./features/todos/preload.js"
ref={(webview) => { this.webview = webview ? webview.view : null; }}
src={`${environment.TODOS_FRONTEND}?authToken=${authToken}`}
/>
</div>
</>
);
}
}
export default TodosWebview;
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