mirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/mozilla/pdf.js.git synced 2025-04-23 08:38:06 +02:00
Code Activity

Merge pull request #18977 from Snuffleupagus/api-ReaderHeadersReady-simplify

Browse source 
Simplify the "ReaderHeadersReady" message-handler in the API
This commit is contained in:
Jonas Jenwald 2024-10-29 15:46:31 +01:00 • committed by GitHub
commit 9870099e90
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 19 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

43
src/display/api.js
View file

@ -2646,32 +2646,27 @@ class WorkerTransport {
};
});
messageHandler.on("ReaderHeadersReady", data => {
const headersCapability = Promise.withResolvers();
const fullReader = this._fullReader;
fullReader.headersReady.then(() => {
// If stream or range are disabled, it's our only way to report
// loading progress.
if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
if (this._lastProgress) {
loadingTask.onProgress?.(this._lastProgress);
}
fullReader.onProgress = evt => {
loadingTask.onProgress?.({
loaded: evt.loaded,
total: evt.total,
});
};
messageHandler.on("ReaderHeadersReady", async data => {
await this._fullReader.headersReady;
const { isStreamingSupported, isRangeSupported, contentLength } =
this._fullReader;
// If stream or range are disabled, it's our only way to report
// loading progress.
if (!isStreamingSupported || !isRangeSupported) {
if (this._lastProgress) {
loadingTask.onProgress?.(this._lastProgress);
}
this._fullReader.onProgress = evt => {
loadingTask.onProgress?.({
loaded: evt.loaded,
total: evt.total,
});
};
}
headersCapability.resolve({
isStreamingSupported: fullReader.isStreamingSupported,
isRangeSupported: fullReader.isRangeSupported,
contentLength: fullReader.contentLength,
});
}, headersCapability.reject);
return headersCapability.promise;
return { isStreamingSupported, isRangeSupported, contentLength };
});
messageHandler.on("GetRangeReader", (data, sink) => {