XFA - Add support for access property

  - it's a partial fix for https://bugzilla.mozilla.org/show_bug.cgi?id=1716816.

Author: calixteman

src/core/xfa/html_utils.js

@@ -448,6 +448,18 @@ function fixTextIndent(styles) {
   }
 }
 
+function setAccess(node, classNames) {
+  switch (node.access) {
+    case "nonInteractive":
+    case "readOnly":
+      classNames.push("xfaReadOnly");
+      break;
+    case "protected":
+      classNames.push("xfaDisabled");
+      break;
+  }
+}
+
 function getFonts(family, fontFinder) {
   if (family.startsWith("'") || family.startsWith('"')) {
     family = family.slice(1, family.length - 1);
@@ -473,6 +485,7 @@ export {
   layoutClass,
   layoutText,
   measureToString,
+  setAccess,
   setMinMaxDimensions,
   toStyle,
 };

src/core/xfa/template.js

@@ -72,6 +72,7 @@ import {
   layoutClass,
   layoutText,
   measureToString,
+  setAccess,
   setMinMaxDimensions,
   toStyle,
 } from "./html_utils.js";
@@ -2023,8 +2024,11 @@ class ExclGroup extends XFAObject {
     const children = [];
     const attributes = {
       id: this[$uid],
+      class: [],
     };
 
+    setAccess(this, attributes.class);
+
     if (!this[$extra]) {
       this[$extra] = Object.create(null);
     }
@@ -2329,6 +2333,8 @@ class Field extends XFAObject {
       class: classNames,
     };
 
+    setAccess(this, classNames);
+
     if (this.name) {
       attributes.xfaName = this.name;
     }
@@ -4171,8 +4177,11 @@ class Subform extends XFAObject {
     const children = [];
     const attributes = {
       id: this[$uid],
+      class: [],
     };
 
+    setAccess(this, attributes.class);
+
     if (!this[$extra]) {
       this[$extra] = Object.create(null);
     }

src/display/xfa_layer.js

@@ -181,6 +181,17 @@ class XfaLayer {
         childHtml.appendChild(document.createTextNode(child.value));
       }
     }
+
+    for (const el of rootDiv.querySelectorAll(
+      ".xfaDisabled input, .xfaDisabled textarea"
+    )) {
+      el.setAttribute("disabled", true);
+    }
+    for (const el of rootDiv.querySelectorAll(
+      ".xfaReadOnly input, .xfaReadOnly textarea"
+    )) {
+      el.setAttribute("readOnly", true);
+    }
   }
 
   /**

test/pdfs/xfa_bug1716816.pdf.link

@@ -0,0 +1 @@
+https://bugzilla.mozilla.org/attachment.cgi?id=9227455

test/test_manifest.json

@@ -946,6 +946,14 @@
        "enableXfa": true,
        "type": "eq"
     },
+    {  "id": "xfa_bug1716816",
+       "file": "pdfs/xfa_bug1716816.pdf",
+       "md5": "3051cd18db7839bc4953df35b52cf3e0",
+       "link": true,
+       "rounds": 1,
+       "enableXfa": true,
+       "type": "eq"
+    },
     {  "id": "xfa_bug1716809",
        "file": "pdfs/xfa_bug1716809.pdf",
        "md5": "7192f9e27e8b84776d107f57cbe353d5",

web/xfa_layer_builder.css

@@ -277,6 +277,13 @@
   flex: 1;
 }
 
+.xfaDisabled input,
+.xfaDisabled textarea,
+.xfaReadOnly input,
+.xfaReadOnly textarea {
+  background: initial;
+}
+
 @media print {
   .xfaTextfield,
   .xfaSelect {