[Editor] When clicking on a comment in the sidebar, wait for the annotation editor layer to be rendered

and add a getter for the layer bounding rect.

src/display/editor/annotation_editor_layer.js

@@ -281,6 +281,10 @@ class AnnotationEditorLayer {
       editor.enableEditing();
     }
     this.#isEnabling = false;
+    this.#uiManager._eventBus.dispatch("editorsrendered", {
+      source: this,
+      pageNumber: this.pageIndex + 1,
+    });
   }
 
   /**
@@ -745,8 +749,12 @@ class AnnotationEditorLayer {
     return editor;
   }
 
+  get boundingClientRect() {
+    return this.div.getBoundingClientRect();
+  }
+
   #getCenterPoint() {
-    const { x, y, width, height } = this.div.getBoundingClientRect();
+    const { x, y, width, height } = this.boundingClientRect;
     const tlX = Math.max(0, x);
     const tlY = Math.max(0, y);
     const brX = Math.min(window.innerWidth, x + width);

src/display/editor/tools.js

@@ -1078,18 +1078,18 @@ class AnnotationEditorUIManager {
     editor?.showComment();
   }
 
-  async waitForPageRendered(pageNumber) {
+  async waitForEditorsRendered(pageNumber) {
     if (this.#allLayers.has(pageNumber - 1)) {
       return;
     }
     const { resolve, promise } = Promise.withResolvers();
-    const onPageRendered = evt => {
+    const onEditorsRendered = evt => {
       if (evt.pageNumber === pageNumber) {
-        this._eventBus._off("annotationeditorlayerrendered", onPageRendered);
+        this._eventBus._off("editorsrendered", onEditorsRendered);
         resolve();
       }
     };
-    this._eventBus.on("annotationeditorlayerrendered", onPageRendered);
+    this._eventBus.on("editorsrendered", onEditorsRendered);
     await promise;
   }
 

web/comment_manager.js

@@ -670,7 +670,8 @@ class CommentSidebar {
     const { id, pageIndex, rect } = annotation;
     const SPACE_ABOVE_ANNOTATION = 10;
     const pageNumber = pageIndex + 1;
-    const pageVisiblePromise = this.#uiManager?.waitForPageRendered(pageNumber);
+    const pageVisiblePromise =
+      this.#uiManager?.waitForEditorsRendered(pageNumber);
     this.#linkService?.goToXY(
       pageNumber,
       rect[0],