blob: 4bfae0343ab4fe99c6b19b5ac641e02017c23aa7 [file] [log] [blame]
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/callback_forward.h"
#include "ui/base/ime/ui_base_ime_export.h"
namespace ui {
class KeyEvent;
struct EventDispatchDetails;
namespace internal {
// An interface implemented by the object that handles events sent back from an
// ui::InputMethod implementation.
class UI_BASE_IME_EXPORT InputMethodDelegate {
virtual ~InputMethodDelegate() {}
// Dispatch a key event already processed by the input method. Returns the
// status of processing, as well as running the callback |ack_callback| with
// the result of processing. |ack_callback| may be run asynchronously (if the
// delegate does processing async). |ack_callback| may not be null.
// Subclasses can use CallDispatchKeyEventPostIMEAck() to run the callback.
virtual EventDispatchDetails DispatchKeyEventPostIME(
KeyEvent* key_event,
base::OnceCallback<void(bool)> ack_callback) = 0;
static void CallDispatchKeyEventPostIMEAck(
KeyEvent* key_event,
base::OnceCallback<void(bool)> ack_callback);
} // namespace internal
} // namespace ui