Add an annotation storage in order to save annotation data in acroforms

src/core/annotation.js

@@ -509,7 +509,7 @@ class Annotation {
     });
   }
 
-  getOperatorList(evaluator, task, renderForms) {
+  getOperatorList(evaluator, task, renderForms, annotationStorage) {
     if (!this.appearance) {
       return Promise.resolve(new OperatorList());
     }
@@ -877,13 +877,18 @@ class WidgetAnnotation extends Annotation {
     return !!(this.data.fieldFlags & flag);
   }
 
-  getOperatorList(evaluator, task, renderForms) {
+  getOperatorList(evaluator, task, renderForms, annotationStorage) {
     // Do not render form elements on the canvas when interactive forms are
     // enabled. The display layer is responsible for rendering them instead.
     if (renderForms) {
       return Promise.resolve(new OperatorList());
     }
-    return super.getOperatorList(evaluator, task, renderForms);
+    return super.getOperatorList(
+      evaluator,
+      task,
+      renderForms,
+      annotationStorage
+    );
   }
 }
 
@@ -920,9 +925,14 @@ class TextWidgetAnnotation extends WidgetAnnotation {
       this.data.maxLen !== null;
   }
 
-  getOperatorList(evaluator, task, renderForms) {
+  getOperatorList(evaluator, task, renderForms, annotationStorage) {
     if (renderForms || this.appearance) {
-      return super.getOperatorList(evaluator, task, renderForms);
+      return super.getOperatorList(
+        evaluator,
+        task,
+        renderForms,
+        annotationStorage
+      );
     }
 
     const operatorList = new OperatorList();

src/core/document.js

@@ -238,7 +238,14 @@ class Page {
     });
   }
 
-  getOperatorList({ handler, sink, task, intent, renderInteractiveForms }) {
+  getOperatorList({
+    handler,
+    sink,
+    task,
+    intent,
+    renderInteractiveForms,
+    annotationStorage,
+  }) {
     const contentStreamPromise = this.pdfManager.ensure(
       this,
       "getContentStream"
@@ -301,7 +308,12 @@ class Page {
           if (isAnnotationRenderable(annotation, intent)) {
             opListPromises.push(
               annotation
-                .getOperatorList(partialEvaluator, task, renderInteractiveForms)
+                .getOperatorList(
+                  partialEvaluator,
+                  task,
+                  renderInteractiveForms,
+                  annotationStorage
+                )
                 .catch(function (reason) {
                   warn(
                     "getOperatorList - ignoring annotation data during " +

src/core/worker.js

@@ -532,6 +532,7 @@ class WorkerMessageHandler {
               task,
               intent: data.intent,
               renderInteractiveForms: data.renderInteractiveForms,
+              annotationStorage: data.annotationStorage,
             })
             .then(
               function (operatorListInfo) {