| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef FLUTTER_SHELL_PLATFORM_WINDOWS_KEYBOARD_KEY_CHANNEL_HANDLER_H_ |
| #define FLUTTER_SHELL_PLATFORM_WINDOWS_KEYBOARD_KEY_CHANNEL_HANDLER_H_ |
| |
| #include <deque> |
| #include <memory> |
| #include <string> |
| |
| #include "flutter/shell/platform/common/client_wrapper/include/flutter/basic_message_channel.h" |
| #include "flutter/shell/platform/common/client_wrapper/include/flutter/binary_messenger.h" |
| #include "flutter/shell/platform/windows/keyboard_key_handler.h" |
| #include "rapidjson/document.h" |
| |
| namespace flutter { |
| |
| // A delegate of |KeyboardKeyHandler| that handles events by sending the |
| // raw information through the method channel. |
| // |
| // This class communicates with the RawKeyboard API in the framework. |
| class KeyboardKeyChannelHandler |
| : public KeyboardKeyHandler::KeyboardKeyHandlerDelegate { |
| public: |
| // Create a |KeyboardKeyChannelHandler| by specifying the messenger |
| // through which the events are sent. |
| explicit KeyboardKeyChannelHandler(flutter::BinaryMessenger* messenger); |
| |
| ~KeyboardKeyChannelHandler(); |
| |
| // |KeyboardKeyHandler::KeyboardKeyHandlerDelegate| |
| void KeyboardHook(int key, |
| int scancode, |
| int action, |
| char32_t character, |
| bool extended, |
| bool was_down, |
| std::function<void(bool)> callback); |
| |
| private: |
| // The Flutter system channel for key event messages. |
| std::unique_ptr<flutter::BasicMessageChannel<rapidjson::Document>> channel_; |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_SHELL_PLATFORM_WINDOWS_KEYBOARD_KEY_CHANNEL_HANDLER_H_ |