Merge pull request #15264 from calixteman/editing_telemetry

[Editor] Add some telemetry to know how often the editing features are used (bug 1782254)

src/display/annotation_storage.js

@@ -31,6 +31,7 @@ class AnnotationStorage {
     // can have undesirable effects.
     this.onSetModified = null;
     this.onResetModified = null;
+    this.onAnnotationEditor = null;
   }
 
   /**
@@ -100,6 +101,13 @@ class AnnotationStorage {
     if (modified) {
       this.#setModified();
     }
+
+    if (
+      value instanceof AnnotationEditor &&
+      typeof this.onAnnotationEditor === "function"
+    ) {
+      this.onAnnotationEditor(value.constructor._type);
+    }
   }
 
   /**
@@ -164,6 +172,15 @@ class AnnotationStorage {
     return clone;
   }
 
+  get hasAnnotationEditors() {
+    for (const value of this._storage.values()) {
+      if (value instanceof AnnotationEditor) {
+        return true;
+      }
+    }
+    return false;
+  }
+
   /**
    * PLEASE NOTE: Only intended for usage within the API itself.
    * @ignore

src/display/editor/freetext.js

@@ -63,6 +63,8 @@ class FreeTextEditor extends AnnotationEditor {
     ],
   ]);
 
+  static _type = "freetext";
+
   constructor(params) {
     super({ ...params, name: "freeTextEditor" });
     this.#color =

src/display/editor/ink.js

@@ -67,6 +67,8 @@ class InkEditor extends AnnotationEditor {
 
   static _l10nPromise;
 
+  static _type = "ink";
+
   constructor(params) {
     super({ ...params, name: "inkEditor" });
     this.color = params.color || null;