Annotation deletion popup (bug 1899731)

gulpfile.mjs

@@ -1148,6 +1148,7 @@ function buildComponents(defines, dir) {
     "web/images/messageBar_*.svg",
     "web/images/toolbarButton-{editorHighlight,menuArrow}.svg",
     "web/images/cursor-*.svg",
+    "web/images/secondaryToolbarButton-documentProperties.svg",
   ];
 
   return ordered([

l10n/en-US/viewer.ftl

@@ -503,3 +503,24 @@ pdfjs-editor-alt-text-settings-editor-title = Alt text editor
 pdfjs-editor-alt-text-settings-show-dialog-button-label = Show alt text editor right away when adding an image
 pdfjs-editor-alt-text-settings-show-dialog-description = Helps you make sure all your images have alt text.
 pdfjs-editor-alt-text-settings-close-button = Close
+
+## "Annotations removed" bar
+
+pdfjs-editor-undo-bar-message-highlight = Highlight removed
+pdfjs-editor-undo-bar-message-freetext = Text removed
+pdfjs-editor-undo-bar-message-ink = Drawing removed
+pdfjs-editor-undo-bar-message-stamp = Image removed
+# Variables:
+#   $count (Number) - the number of removed annotations.
+pdfjs-editor-undo-bar-message-multiple =
+    { $count ->
+        [one] { $count } annotation removed
+       *[other] { $count } annotations removed
+    }
+
+pdfjs-editor-undo-bar-undo-button =
+    .title = Undo
+pdfjs-editor-undo-bar-undo-button-label = Undo
+pdfjs-editor-undo-bar-close-button =
+    .title = Close
+pdfjs-editor-undo-bar-close-button-label = Close

src/display/editor/draw.js

@@ -676,6 +676,7 @@ class DrawingEditor extends AnnotationEditor {
       signal,
     });
     parent.toggleDrawing();
+    uiManager._editorUndoBar?.hide();
 
     if (this._currentDraw) {
       parent.drawLayer.updateProperties(

src/display/editor/editor.js

@@ -1142,6 +1142,8 @@ class AnnotationEditor {
 
     bindEvents(this, this.div, ["pointerdown"]);
 
+    this._uiManager._editorUndoBar?.hide();
+
     return this.div;
   }
 

src/display/editor/tools.js

@@ -620,6 +620,8 @@ class AnnotationEditorUIManager {
 
   #editorsToRescale = new Set();
 
+  _editorUndoBar = null;
+
   #enableHighlightFloatingButton = false;
 
   #enableUpdatedAddImage = false;
@@ -829,7 +831,8 @@ class AnnotationEditorUIManager {
     enableHighlightFloatingButton,
     enableUpdatedAddImage,
     enableNewAltTextWhenAddingImage,
-    mlManager
+    mlManager,
+    editorUndoBar
   ) {
     const signal = (this._signal = this.#abortController.signal);
     this.#container = container;
@@ -864,6 +867,7 @@ class AnnotationEditorUIManager {
       rotation: 0,
     };
     this.isShiftKeyDown = false;
+    this._editorUndoBar = editorUndoBar || null;
 
     if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("TESTING")) {
       Object.defineProperty(this, "reset", {
@@ -904,6 +908,7 @@ class AnnotationEditorUIManager {
       clearTimeout(this.#translationTimeoutId);
       this.#translationTimeoutId = null;
     }
+    this._editorUndoBar?.destroy();
   }
 
   combinedSignal(ac) {
@@ -1656,6 +1661,8 @@ class AnnotationEditorUIManager {
       this.setEditingState(false);
       this.#disableAll();
 
+      this._editorUndoBar?.hide();
+
       this.#updateModeCapability.resolve();
       return;
     }
@@ -2038,6 +2045,7 @@ class AnnotationEditorUIManager {
       hasSomethingToRedo: true,
       isEmpty: this.#isEmpty(),
     });
+    this._editorUndoBar?.hide();
   }
 
   /**
@@ -2099,6 +2107,10 @@ class AnnotationEditorUIManager {
       ? [drawingEditor]
       : [...this.#selectedEditors];
     const cmd = () => {
+      this._editorUndoBar?.show(
+        undo,
+        editors.length === 1 ? editors[0].editorType : editors.length
+      );
       for (const editor of editors) {
         editor.remove();
       }

test/integration/freetext_editor_spec.mjs

@@ -3670,4 +3670,125 @@ describe("FreeText Editor", () => {
       );
     });
   });
+
+  describe("Undo deletion popup has the expected behaviour", () => {
+    let pages;
+    const editorSelector = getEditorSelector(0);
+
+    beforeEach(async () => {
+      pages = await loadAndWait("tracemonkey.pdf", ".annotationEditorLayer");
+    });
+
+    afterEach(async () => {
+      await closePages(pages);
+    });
+
+    it("must check that deleting a FreeText editor can be undone using the undo button", async () => {
+      await Promise.all(
+        pages.map(async ([browserName, page]) => {
+          await switchToFreeText(page);
+
+          const rect = await getRect(page, ".annotationEditorLayer");
+          const data = "Hello PDF.js World !!";
+          await page.mouse.click(rect.x + 100, rect.y + 100);
+          await page.waitForSelector(editorSelector, {
+            visible: true,
+          });
+          await page.type(`${editorSelector} .internal`, data);
+
+          // Commit.
+          await page.keyboard.press("Escape");
+          await page.waitForSelector(`${editorSelector} .overlay.enabled`);
+          await waitForSerialized(page, 1);
+
+          await page.waitForSelector(`${editorSelector} button.delete`);
+          await page.click(`${editorSelector} button.delete`);
+          await waitForSerialized(page, 0);
+
+          await page.waitForSelector("#editorUndoBar:not([hidden])");
+          await page.click("#editorUndoBarUndoButton");
+          await waitForSerialized(page, 1);
+          await page.waitForSelector(editorSelector);
+        })
+      );
+    });
+
+    it("must check that the undo deletion popup displays the correct message", async () => {
+      await Promise.all(
+        pages.map(async ([browserName, page]) => {
+          await switchToFreeText(page);
+
+          const rect = await getRect(page, ".annotationEditorLayer");
+          const data = "Hello PDF.js World !!";
+          await page.mouse.click(rect.x + 100, rect.y + 100);
+          await page.waitForSelector(editorSelector, {
+            visible: true,
+          });
+          await page.type(`${editorSelector} .internal`, data);
+
+          // Commit.
+          await page.keyboard.press("Escape");
+          await page.waitForSelector(`${editorSelector} .overlay.enabled`);
+          await waitForSerialized(page, 1);
+
+          await page.waitForSelector(`${editorSelector} button.delete`);
+          await page.click(`${editorSelector} button.delete`);
+          await waitForSerialized(page, 0);
+
+          await page.waitForFunction(() => {
+            const messageElement = document.querySelector(
+              "#editorUndoBarMessage"
+            );
+            return messageElement && messageElement.textContent.trim() !== "";
+          });
+          const message = await page.waitForSelector("#editorUndoBarMessage");
+          const messageText = await page.evaluate(
+            el => el.textContent,
+            message
+          );
+          expect(messageText).toContain("Text removed");
+        })
+      );
+    });
+
+    it("must check that the popup disappears when a new textbox is created", async () => {
+      await Promise.all(
+        pages.map(async ([browserName, page]) => {
+          await switchToFreeText(page);
+
+          let rect = await getRect(page, ".annotationEditorLayer");
+          const data = "Hello PDF.js World !!";
+          await page.mouse.click(rect.x + 100, rect.y + 100);
+          await page.waitForSelector(editorSelector, {
+            visible: true,
+          });
+          await page.type(`${editorSelector} .internal`, data);
+
+          await page.keyboard.press("Escape");
+          await page.waitForSelector(`${editorSelector} .overlay.enabled`);
+          await waitForSerialized(page, 1);
+
+          await page.waitForSelector(`${editorSelector} button.delete`);
+          await page.click(`${editorSelector} button.delete`);
+          await waitForSerialized(page, 0);
+
+          await page.waitForSelector("#editorUndoBar:not([hidden])");
+          rect = await getRect(page, ".annotationEditorLayer");
+          const newData = "This is a new text box!";
+          await page.mouse.click(rect.x + 150, rect.y + 150);
+          await page.waitForSelector(getEditorSelector(1), {
+            visible: true,
+          });
+          await page.type(`${getEditorSelector(1)} .internal`, newData);
+
+          await page.keyboard.press("Escape");
+          await page.waitForSelector(
+            `${getEditorSelector(1)} .overlay.enabled`
+          );
+          await waitForSerialized(page, 1);
+          await page.waitForSelector("#editorUndoBar", { hidden: true });
+        })
+      );
+    });
+  });
 });