1 files changed, 96 insertions, 0 deletions
diff --git a/mobile/android/modules/geckoview/GeckoViewAutofill.sys.mjs b/mobile/android/modules/geckoview/GeckoViewAutofill.sys.mjs
new file mode 100644
index 0000000000..1249685aaa
--- /dev/null
+++ b/mobile/android/modules/geckoview/GeckoViewAutofill.sys.mjs
@@ -0,0 +1,96 @@
+/* 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";
+
+class Autofill {
+  constructor(sessionId, eventDispatcher) {
+    this.eventDispatcher = eventDispatcher;
+    this.sessionId = sessionId;
+  }
+
+  start() {
+    this.eventDispatcher.sendRequest({
+      type: "GeckoView:StartAutofill",
+      sessionId: this.sessionId,
+    });
+  }
+
+  add(node) {
+    return this.eventDispatcher.sendRequestForResult({
+      type: "GeckoView:AddAutofill",
+      node,
+    });
+  }
+
+  focus(node) {
+    this.eventDispatcher.sendRequest({
+      type: "GeckoView:OnAutofillFocus",
+      node,
+    });
+  }
+
+  update(node) {
+    this.eventDispatcher.sendRequest({
+      type: "GeckoView:UpdateAutofill",
+      node,
+    });
+  }
+
+  commit(node) {
+    this.eventDispatcher.sendRequest({
+      type: "GeckoView:CommitAutofill",
+      node,
+    });
+  }
+
+  clear() {
+    this.eventDispatcher.sendRequest({
+      type: "GeckoView:ClearAutofill",
+    });
+  }
+}
+
+class AutofillManager {
+  sessions = new Set();
+  autofill = null;
+
+  ensure(sessionId, eventDispatcher) {
+    if (!this.sessions.has(sessionId)) {
+      this.autofill = new Autofill(sessionId, eventDispatcher);
+      this.sessions.add(sessionId);
+      this.autofill.start();
+    }
+    // This could be called for an outdated session, in which case we will just
+    // ignore the autofill call.
+    if (sessionId !== this.autofill.sessionId) {
+      return null;
+    }
+    return this.autofill;
+  }
+
+  get(sessionId) {
+    if (!this.autofill || sessionId !== this.autofill.sessionId) {
+      warn`Disregarding old session ${sessionId}`;
+      // We disregard old sessions
+      return null;
+    }
+    return this.autofill;
+  }
+
+  delete(sessionId) {
+    this.sessions.delete(sessionId);
+    if (!this.autofill || sessionId !== this.autofill.sessionId) {
+      // this delete call might happen *after* the next session already
+      // started, in that case, we can safely ignore this call.
+      return;
+    }
+    this.autofill.clear();
+    this.autofill = null;
+  }
+}
+
+export var gAutofillManager = new AutofillManager();
+
+const { debug, warn } = GeckoViewUtils.initLogging("Autofill");