Autofill commands

src/bidiMapper/BidiNoOpParser.ts

@@ -27,11 +27,22 @@ import type {
   Permissions,
   Bluetooth,
   WebExtension,
+  Autofill,
 } from '../protocol/protocol.js';
 
 import type {BidiCommandParameterParser} from './BidiParser.js';
 
 export class BidiNoOpParser implements BidiCommandParameterParser {
+  // Autofill module
+  // keep-sorted start block=yes
+  parseAutofillTriggerParams(params: unknown): Autofill.TriggerParameters {
+    return params as Autofill.TriggerParameters;
+  }
+  parseAutofillSetAddressParams(params: unknown) {
+    return params as Autofill.AddressParameters;
+  }
+  // keep-sorted end
+
   // Bluetooth module
   // keep-sorted start block=yes
   parseHandleRequestDevicePromptParams(

src/bidiMapper/BidiParser.ts

@@ -16,6 +16,7 @@
  */
 
 import type {
+  Autofill,
   Bluetooth,
   Browser,
   BrowsingContext,
@@ -30,6 +31,12 @@ import type {
 } from '../protocol/protocol.js';
 
 export interface BidiCommandParameterParser {
+  // Autofill module
+  // keep-sorted start block=yes
+  parseAutofillTriggerParams(params: unknown): Autofill.TriggerParameters;
+  parseAutofillSetAddressParams(params: unknown): Autofill.AddressParameters;
+  // keep-sorted end
+
   // Bluetooth module
   // keep-sorted start block=yes
   parseHandleRequestDevicePromptParams(

src/bidiMapper/CommandProcessor.ts

@@ -31,6 +31,7 @@ import type {Result} from '../utils/result.js';
 import {BidiNoOpParser} from './BidiNoOpParser.js';
 import type {BidiCommandParameterParser} from './BidiParser.js';
 import type {MapperOptions} from './BidiServer.js';
+import {AutofillProcessor} from './modules/autofill/AutofillProcessor.js';
 import type {BluetoothProcessor} from './modules/bluetooth/BluetoothProcessor.js';
 import {BrowserProcessor} from './modules/browser/BrowserProcessor.js';
 import type {UserContextStorage} from './modules/browser/UserContextStorage.js';
@@ -63,6 +64,7 @@ interface CommandProcessorEventsMap extends Record<string | symbol, unknown> {
 
 export class CommandProcessor extends EventEmitter<CommandProcessorEventsMap> {
   // keep-sorted start
+  #autofillProcessor: AutofillProcessor;
   #bluetoothProcessor: BluetoothProcessor;
   #browserProcessor: BrowserProcessor;
   #browsingContextProcessor: BrowsingContextProcessor;
@@ -100,6 +102,7 @@ export class CommandProcessor extends EventEmitter<CommandProcessorEventsMap> {
     this.#bluetoothProcessor = bluetoothProcessor;
 
     // keep-sorted start block=yes
+    this.#autofillProcessor = new AutofillProcessor(browserCdpClient);
     this.#browserProcessor = new BrowserProcessor(
       browserCdpClient,
       browsingContextStorage,
@@ -148,6 +151,18 @@ export class CommandProcessor extends EventEmitter<CommandProcessorEventsMap> {
     command: ChromiumBidi.Command,
   ): Promise<ChromiumBidi.ResultData> {
     switch (command.method) {
+      // Autofill module
+      // keep-sorted start block=yes
+      case 'autofill.trigger':
+        return await this.#autofillProcessor.triggerById(
+          this.#parser.parseAutofillTriggerParams(command.params),
+        );
+      case 'autofill.setAddress':
+        return await this.#autofillProcessor.setAddresses(
+          this.#parser.parseAutofillSetAddressParams(command.params),
+        );
+      // keep-sorted end
+
       // Bluetooth module
       // keep-sorted start block=yes
       case 'bluetooth.handleRequestDevicePrompt':

src/bidiMapper/modules/autofill/AutofillProcessor.ts

@@ -0,0 +1,117 @@
+/**
+ * Copyright 2025 Google LLC.
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import type {CdpClient} from '../../../cdp/CdpClient.js';
+import {
+  type Autofill,
+  type EmptyResult,
+  UnsupportedOperationException,
+} from '../../../protocol/protocol.js';
+
+/**
+ * Responsible for handling the `autofill` module.
+ */
+export class AutofillProcessor {
+  readonly #browserCdpClient: CdpClient;
+
+  constructor(browserCdpClient: CdpClient) {
+    this.#browserCdpClient = browserCdpClient;
+  }
+
+  /**
+   * Triggers autofill for a specific element with the provided field data.
+   *
+   * @param params Parameters for the autofill.trigger command
+   * @returns An empty result
+   */
+  async triggerById(params: Autofill.TriggerParameters): Promise<EmptyResult> {
+    try {
+      // await this.#browserCdpClient.sendCommand('Autofill.trigger', {
+      //   fieldId: Number(params.element.sharedId),
+      //   frameId: undefined,
+      //   card: {
+      //     /**
+      //      * 16-digit credit card number.
+      //      */
+      //     number: '1111222233334444',
+      //     /**
+      //      * Name of the credit card owner.
+      //      */
+      //     name: 'string',
+      //     /**
+      //      * 2-digit expiry month.
+      //      */
+      //     expiryMonth: '01',
+      //     /**
+      //      * 4-digit expiry year.
+      //      */
+      //     expiryYear: '30',
+      //     /**
+      //      * 3-digit card verification code.
+      //      */
+      //     cvc: '123',
+      //   },
+      // });
+      await this.#browserCdpClient.sendCommand('Autofill.triggerById' as any, {
+        field_id: 1, //params.element.sharedId,
+        frame_id: 'top',
+      });
+
+      return {};
+    } catch (err) {
+      if ((err as Error).message.includes('command was not found')) {
+        throw new UnsupportedOperationException(
+          'Autofill triggering is not supported by this browser',
+        );
+      }
+      throw err;
+    }
+  }
+
+  /**
+   * Triggers autofill for a specific element with the provided field data.
+   *
+   * @param params Parameters for the autofill.trigger command
+   * @returns An empty result
+   */
+  async setAddresses(params: Autofill.AddressParameters): Promise<EmptyResult> {
+    try {
+      await this.#browserCdpClient.sendCommand('Autofill.setAddresses', {
+        addresses: [
+          {
+            fields: params.fields,
+            // fields: [
+            //   {
+            //     name: 'name',
+            //     value: 'John Doe',
+            //   },
+            // ],
+          },
+        ],
+      });
+
+      return {};
+    } catch (err) {
+      if ((err as Error).message.includes('command was not found')) {
+        throw new UnsupportedOperationException(
+          'Autofill setting addresses is not supported by this browser',
+        );
+      }
+      throw err;
+    }
+  }
+}

src/bidiTab/BidiParser.ts

@@ -16,6 +16,7 @@
  */
 import type {BidiCommandParameterParser} from '../bidiMapper/BidiMapper.js';
 import type {
+  Autofill,
   Bluetooth,
   Browser,
   BrowsingContext,
@@ -31,6 +32,16 @@ import type {
 import * as Parser from '../protocol-parser/protocol-parser.js';
 
 export class BidiParser implements BidiCommandParameterParser {
+  // Autofill module
+  // keep-sorted start block=yes
+  parseAutofillTriggerParams(params: unknown): Autofill.TriggerParameters {
+    return Parser.Autofill.parseTriggerRequest(params);
+  }
+  parseAutofillSetAddressParams(params: unknown): Autofill.AddressParameters {
+    return Parser.Autofill.parseSetAddressRequest(params);
+  }
+  // keep-sorted end
+
   // Bluetooth module
   // keep-sorted start block=yes
   parseHandleRequestDevicePromptParams(