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/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2021-04-08 05:32:12 +08:00
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import { Size } from '../geometry';
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import './snapshotTab.css';
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import './tabbedPane.css';
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import * as React from 'react';
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import { useMeasure } from './helpers';
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import type { Point } from '../../../common/types';
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import { ActionTraceEvent } from '../../../server/trace/common/traceEvents';
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export const SnapshotTab: React.FunctionComponent<{
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action: ActionTraceEvent | undefined,
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snapshotSizes: { [snapshotName: string]: Size },
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defaultSnapshotSize: Size,
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}> = ({ action, snapshotSizes, defaultSnapshotSize }) => {
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const [measure, ref] = useMeasure<HTMLDivElement>();
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const [snapshotIndex, setSnapshotIndex] = React.useState(0);
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const snapshotMap = new Map<string, { title: string, snapshotName: string }>();
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for (const snapshot of action?.metadata.snapshots || [])
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snapshotMap.set(snapshot.title, snapshot);
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const actionSnapshot = snapshotMap.get('action') || snapshotMap.get('after');
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const snapshots = [actionSnapshot ? { ...actionSnapshot, title: 'action' } : undefined, snapshotMap.get('before'), snapshotMap.get('after')].filter(Boolean) as { title: string, snapshotName: string }[];
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React.useEffect(() => {
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if (snapshotIndex >= snapshots.length)
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setSnapshotIndex(snapshots.length - 1);
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}, [snapshotIndex, snapshots]);
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const iframeRef = React.createRef<HTMLIFrameElement>();
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React.useEffect(() => {
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if (!iframeRef.current)
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return;
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let snapshotUri = undefined;
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let point: Point | undefined = undefined;
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if (action) {
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const snapshot = snapshots[snapshotIndex];
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if (snapshot && snapshot.snapshotName) {
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snapshotUri = `${action.metadata.pageId}?name=${snapshot.snapshotName}`;
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if (snapshot.snapshotName.includes('action'))
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point = action.metadata.point;
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}
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}
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const snapshotUrl = snapshotUri ? `${window.location.origin}/snapshot/${snapshotUri}` : 'data:text/html,<body style="background: #ddd"></body>';
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try {
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(iframeRef.current.contentWindow as any).showSnapshot(snapshotUrl, { point });
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} catch (e) {
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}
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}, [action, snapshotIndex, iframeRef, snapshots]);
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let snapshotSize = defaultSnapshotSize;
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if (snapshots[snapshotIndex] && snapshots[snapshotIndex].snapshotName)
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snapshotSize = snapshotSizes[snapshots[snapshotIndex].snapshotName] || defaultSnapshotSize;
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const scale = Math.min(measure.width / snapshotSize.width, measure.height / snapshotSize.height);
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const scaledSize = {
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width: snapshotSize.width * scale,
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height: snapshotSize.height * scale,
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};
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return <div
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className='snapshot-tab'
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tabIndex={0}
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onKeyDown={event => {
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if (event.key === 'ArrowRight')
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setSnapshotIndex(Math.min(snapshotIndex + 1, snapshots.length - 1));
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if (event.key === 'ArrowLeft')
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setSnapshotIndex(Math.max(snapshotIndex - 1, 0));
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}}
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><div className='tab-strip'>
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{snapshots.map((snapshot, index) => {
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return <div className={'tab-element ' + (snapshotIndex === index ? ' selected' : '')}
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onClick={() => setSnapshotIndex(index)}
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key={snapshot.title}>
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<div className='tab-label'>{renderTitle(snapshot.title)}</div>
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</div>;
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})}
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</div>
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<div ref={ref} className='snapshot-wrapper'>
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<div className='snapshot-container' style={{
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width: snapshotSize.width + 'px',
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height: snapshotSize.height + 'px',
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transform: `translate(${-snapshotSize.width * (1 - scale) / 2 + (measure.width - scaledSize.width) / 2}px, ${-snapshotSize.height * (1 - scale) / 2 + (measure.height - scaledSize.height) / 2}px) scale(${scale})`,
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}}>
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<iframe ref={iframeRef} id='snapshot' name='snapshot' src='/snapshot/'></iframe>
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</div>
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</div>
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</div>;
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};
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function renderTitle(snapshotTitle: string): string {
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if (snapshotTitle === 'before')
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return 'Before';
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if (snapshotTitle === 'after')
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return 'After';
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if (snapshotTitle === 'action')
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return 'Action';
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return snapshotTitle;
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}
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