| // 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_TEXT_INPUT_PLUGIN_H_ |
| #define FLUTTER_SHELL_PLATFORM_WINDOWS_TEXT_INPUT_PLUGIN_H_ |
| |
| #include <map> |
| #include <memory> |
| |
| #include "flutter/shell/platform/common/cpp/client_wrapper/include/flutter/binary_messenger.h" |
| #include "flutter/shell/platform/common/cpp/client_wrapper/include/flutter/method_channel.h" |
| #include "flutter/shell/platform/common/cpp/text_input_model.h" |
| #include "flutter/shell/platform/windows/keyboard_hook_handler.h" |
| #include "flutter/shell/platform/windows/public/flutter_windows.h" |
| |
| namespace flutter { |
| |
| class Win32FlutterWindow; |
| |
| // Implements a text input plugin. |
| // |
| // Specifically handles window events within windows. |
| class TextInputPlugin : public KeyboardHookHandler { |
| public: |
| explicit TextInputPlugin(flutter::BinaryMessenger* messenger); |
| |
| virtual ~TextInputPlugin(); |
| |
| // |KeyboardHookHandler| |
| void KeyboardHook(Win32FlutterWindow* window, |
| int key, |
| int scancode, |
| int action, |
| char32_t character) override; |
| |
| // |KeyboardHookHandler| |
| void CharHook(Win32FlutterWindow* window, char32_t code_point) override; |
| |
| private: |
| // Sends the current state of the given model to the Flutter engine. |
| void SendStateUpdate(const TextInputModel& model); |
| |
| // Sends an action triggered by the Enter key to the Flutter engine. |
| void EnterPressed(TextInputModel* model); |
| |
| // Called when a method is called on |channel_|; |
| void HandleMethodCall( |
| const flutter::MethodCall<rapidjson::Document>& method_call, |
| std::unique_ptr<flutter::MethodResult<rapidjson::Document>> result); |
| |
| // The MethodChannel used for communication with the Flutter engine. |
| std::unique_ptr<flutter::MethodChannel<rapidjson::Document>> channel_; |
| |
| // The active model. nullptr if not set. |
| std::unique_ptr<TextInputModel> active_model_; |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_SHELL_PLATFORM_WINDOWS_TEXT_INPUT_PLUGIN_H_ |