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Implement the download_file widget action (#759)
* Implement the download_file widget action Signed-off-by: Michael Weimann <michael.weimann@nordeck.net> * Disable upload button during upload Signed-off-by: Michael Weimann <michael.weimann@nordeck.net> * bump matrix-widget-api to 1.9.0 Signed-off-by: Kim Brose <kim.brose@nordeck.net> * Add mocked results required for file download test Signed-off-by: Milton Moura <miltonmoura@gmail.com> --------- Signed-off-by: Michael Weimann <michael.weimann@nordeck.net> Signed-off-by: Kim Brose <kim.brose@nordeck.net> Signed-off-by: Milton Moura <miltonmoura@gmail.com> Co-authored-by: Kim Brose <kim.brose@nordeck.net> Co-authored-by: Milton Moura <miltonmoura@gmail.com>
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--- | ||
'@matrix-widget-toolkit/api': minor | ||
--- | ||
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Add support for the download_file widget action |
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/* | ||
* Copyright 2024 Nordeck IT + Consulting GmbH | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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import { useWidgetApi } from '@matrix-widget-toolkit/react'; | ||
import React, { useCallback, useEffect, useState } from 'react'; | ||
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type ImageProps = { | ||
alt?: string; | ||
/** | ||
* MXC URI of the image that should be shown | ||
*/ | ||
contentUrl: string; | ||
}; | ||
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/** | ||
* Component that loads the image from the content repository and displays it. | ||
*/ | ||
export const Image: React.FC<ImageProps> = function ({ | ||
contentUrl, | ||
...imageProps | ||
}) { | ||
const [dataUrl, setDataUrl] = useState<string>(); | ||
const widgetApi = useWidgetApi(); | ||
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const handleLoad = useCallback(() => { | ||
if (dataUrl) { | ||
URL.revokeObjectURL(dataUrl); | ||
} | ||
}, [dataUrl]); | ||
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useEffect(() => { | ||
(async () => { | ||
try { | ||
const result = await widgetApi.downloadFile(contentUrl); | ||
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if (!(result.file instanceof Blob)) { | ||
throw new Error('Got non Blob file response'); | ||
} | ||
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const downloadedFileDataUrl = URL.createObjectURL(result.file); | ||
setDataUrl(downloadedFileDataUrl); | ||
} catch (error) { | ||
console.log('Error downloading file', error); | ||
} | ||
})(); | ||
}, [contentUrl]); | ||
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if (dataUrl === undefined) { | ||
return null; | ||
} | ||
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return <img {...imageProps} src={dataUrl} onLoad={handleLoad} />; | ||
}; |
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