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Merge pull request #16766 from calixteman/fix_willprint

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Make sure WillPrint ran before starting printing
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calixteman 2023-07-30 18:37:26 +02:00 • committed by GitHub
commit 621c92dbdd
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 58 additions and 20 deletions
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30
web/pdf_scripting_manager.js
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@ -51,6 +51,8 @@ class PDFScriptingManager {
#scripting = null;
#willPrintCapability = null;
/**
* @param {PDFScriptingManagerOptions} options
*/
@ -203,10 +205,23 @@ class PDFScriptingManager {
}
async dispatchWillPrint() {
return this.#scripting?.dispatchEventInSandbox({
id: "doc",
name: "WillPrint",
});
if (!this.#scripting) {
return;
}
await this.#willPrintCapability?.promise;
this.#willPrintCapability = new PromiseCapability();
try {
await this.#scripting.dispatchEventInSandbox({
id: "doc",
name: "WillPrint",
});
} catch (ex) {
this.#willPrintCapability.resolve();
this.#willPrintCapability = null;
throw ex;
}
await this.#willPrintCapability.promise;
}
async dispatchDidPrint() {
@ -306,6 +321,10 @@ class PDFScriptingManager {
pdfViewer.decreaseScale();
}
break;
case "WillPrintFinished":
this.#willPrintCapability?.resolve();
this.#willPrintCapability = null;
break;
}
return;
}
@ -432,6 +451,9 @@ class PDFScriptingManager {
await this.#scripting.destroySandbox();
} catch {}
this.#willPrintCapability?.reject(new Error("Scripting destroyed."));
this.#willPrintCapability = null;
for (const [name, listener] of this._internalEvents) {
this.#eventBus._off(name, listener);
}