From 9acd16a0c78c11cdedc85ae6bce2fa091437812e Mon Sep 17 00:00:00 2001
From: Calixte Denizet <calixte.denizet@gmail.com>
Date: Thu, 26 Jun 2025 22:23:13 +0200
Subject: [PATCH] [Editor] In the signature modal, disable the save checkbox
 when the storage is full (bug 1974257)

---
 test/integration/signature_editor_spec.mjs | 50 ++++++++++++++++++++--
 web/signature_manager.js                   | 11 +++--
 web/viewer.html                            |  2 +-
 3 files changed, 56 insertions(+), 7 deletions(-)

diff --git a/test/integration/signature_editor_spec.mjs b/test/integration/signature_editor_spec.mjs
index 6dff1ddfb..802385e48 100644
--- a/test/integration/signature_editor_spec.mjs
+++ b/test/integration/signature_editor_spec.mjs
@@ -105,7 +105,7 @@ describe("Signature Editor", () => {
           await page.waitForSelector(
             "#addSignatureSaveContainer > input:not(:disabled)"
           );
-          await page.waitForSelector("#addSignatureSaveCheckbox[checked=true]");
+          await page.waitForSelector("#addSignatureSaveCheckbox:checked");
 
           // The description has been filled in automatically.
           await page.waitForFunction(
@@ -260,7 +260,7 @@ describe("Signature Editor", () => {
           await page.waitForSelector(
             "#addSignatureSaveContainer > input:not(:disabled)"
           );
-          await page.waitForSelector("#addSignatureSaveCheckbox[checked=true]");
+          await page.waitForSelector("#addSignatureSaveCheckbox:checked");
 
           // The description has been filled in automatically.
           await page.waitForFunction(
@@ -316,7 +316,7 @@ describe("Signature Editor", () => {
           await page.waitForSelector(
             "#addSignatureSaveContainer > input:not(:disabled)"
           );
-          await page.waitForSelector("#addSignatureSaveCheckbox[checked=true]");
+          await page.waitForSelector("#addSignatureSaveCheckbox:checked");
 
           // The description has been filled in automatically.
           await page.waitForFunction(
@@ -671,4 +671,48 @@ describe("Signature Editor", () => {
       );
     });
   });
+
+  describe("Bug 1974257", () => {
+    let pages;
+
+    beforeEach(async () => {
+      pages = await loadAndWait("empty.pdf", ".annotationEditorLayer");
+    });
+
+    afterEach(async () => {
+      await closePages(pages);
+    });
+
+    it("must check that the signature save checkbox is disabled if storage is full", async () => {
+      await Promise.all(
+        pages.map(async ([_, page]) => {
+          await switchToSignature(page);
+
+          for (let i = 0; i < 6; i++) {
+            await page.click("#editorSignatureAddSignature");
+            await page.waitForSelector("#addSignatureDialog", {
+              visible: true,
+            });
+            await page.click("#addSignatureTypeInput");
+            await page.type("#addSignatureTypeInput", `PDF.js ${i}`);
+            if (i === 5) {
+              await page.waitForSelector(
+                "#addSignatureSaveCheckbox:not(checked)"
+              );
+              await page.waitForSelector("#addSignatureSaveCheckbox:disabled");
+            } else {
+              await page.waitForSelector("#addSignatureSaveCheckbox:checked");
+              await page.waitForSelector(
+                "#addSignatureSaveCheckbox:not(:disabled)"
+              );
+            }
+            await page.click("#addSignatureAddButton");
+            await page.waitForSelector("#addSignatureDialog", {
+              visible: false,
+            });
+          }
+        })
+      );
+    });
+  });
 });
diff --git a/web/signature_manager.js b/web/signature_manager.js
index 9617df859..6c58d5371 100644
--- a/web/signature_manager.js
+++ b/web/signature_manager.js
@@ -88,6 +88,8 @@ class SignatureManager {
 
   #eventBus;
 
+  #isStorageFull = false;
+
   #l10n;
 
   #overlayManager;
@@ -322,8 +324,10 @@ class SignatureManager {
   }
 
   #disableButtons(value) {
-    this.#saveCheckbox.disabled =
-      this.#clearButton.disabled =
+    if (!value || !this.#isStorageFull) {
+      this.#saveCheckbox.disabled = !value;
+    }
+    this.#clearButton.disabled =
       this.#addButton.disabled =
       this.#description.disabled =
         !value;
@@ -847,7 +851,8 @@ class SignatureManager {
     this.#currentEditor = editor;
     this.#uiManager.removeEditListeners();
 
-    const isStorageFull = await this.#signatureStorage.isFull();
+    const isStorageFull = (this.#isStorageFull =
+      await this.#signatureStorage.isFull());
     this.#saveContainer.classList.toggle("fullStorage", isStorageFull);
     this.#saveCheckbox.checked = !isStorageFull;
 
diff --git a/web/viewer.html b/web/viewer.html
index 7805b0f1d..ebb24d847 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -725,7 +725,7 @@ See https://github.com/adobe-type-tools/cmap-resources
                   <button id="clearSignatureButton" type="button" data-l10n-id="pdfjs-editor-add-signature-clear-button" tabindex="0"><span data-l10n-id="pdfjs-editor-add-signature-clear-button-label"></span></button>
                 </div>
                 <div id="addSignatureSaveContainer">
-                  <input type="checkbox" id="addSignatureSaveCheckbox" checked="true"></input>
+                  <input type="checkbox" id="addSignatureSaveCheckbox"></input>
                   <label for="addSignatureSaveCheckbox" data-l10n-id="pdfjs-editor-add-signature-save-checkbox"></label>
                   <span></span>
                   <span id="addSignatureSaveWarning" data-l10n-id="pdfjs-editor-add-signature-save-warning-message"></span>