1 files changed, 43 insertions, 0 deletions
diff --git a/mobile/android/components/geckoview/PromptCollection.sys.mjs b/mobile/android/components/geckoview/PromptCollection.sys.mjs
new file mode 100644
index 0000000000..472dea3316
--- /dev/null
+++ b/mobile/android/components/geckoview/PromptCollection.sys.mjs
@@ -0,0 +1,43 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import { GeckoViewUtils } from "resource://gre/modules/GeckoViewUtils.sys.mjs";
+
+const lazy = {};
+
+ChromeUtils.defineESModuleGetters(lazy, {
+  GeckoViewPrompter: "resource://gre/modules/GeckoViewPrompter.sys.mjs",
+});
+
+const { debug, warn } = GeckoViewUtils.initLogging("PromptCollection");
+
+export class PromptCollection {
+  confirmRepost(browsingContext) {
+    const msg = {
+      type: "repost",
+    };
+    const prompter = new lazy.GeckoViewPrompter(browsingContext);
+    const result = prompter.showPrompt(msg);
+    return !!result?.allow;
+  }
+
+  asyncBeforeUnloadCheck(browsingContext) {
+    return new Promise(resolve => {
+      const msg = {
+        type: "beforeUnload",
+      };
+      const prompter = new lazy.GeckoViewPrompter(browsingContext);
+      prompter.asyncShowPrompt(msg, resolve);
+    }).then(result => !!result?.allow);
+  }
+
+  confirmFolderUpload() {
+    // Folder upload is not supported by GeckoView yet, see Bug 1674428.
+    return false;
+  }
+}
+
+PromptCollection.prototype.QueryInterface = ChromeUtils.generateQI([
+  "nsIPromptCollection",
+]);