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Dispatch a metadataloaded event once the PDFViewerApplication._initializeMetadata method is done

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This will be useful in the following patch, and note that there's also an old issue (see 5765) which asked for such an event. However, given that the use-case wasn't *clearly* specified, and that we didn't have an internal use for it at the time it wasn't implemented.

Also, ensure that all of the metadata-related properties are actually reset when the document is closed.
This commit is contained in:
Jonas Jenwald 2020-12-06 12:30:33 +01:00
parent c549069ebd
commit f8ea83609f
1 changed files with 7 additions and 1 deletions
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8
web/app.js
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@ -248,7 +248,9 @@ const PDFViewerApplication = {
url: "",
baseUrl: "",
externalServices: DefaultExternalServices,
_boundEvents: {},
_boundEvents: Object.create(null),
documentInfo: null,
metadata: null,
contentDispositionFilename: null,
triggerDelayedFallback: null,
_saveInProgress: false,
@ -789,6 +791,8 @@ const PDFViewerApplication = {
this.downloadComplete = false;
this.url = "";
this.baseUrl = "";
this.documentInfo = null;
this.metadata = null;
this.contentDispositionFilename = null;
this.triggerDelayedFallback = null;
this._saveInProgress = false;
@ -1652,6 +1656,8 @@ const PDFViewerApplication = {
generator: generatorId,
formType,
});
this.eventBus.dispatch("metadataloaded", { source: this });
},
/**