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// 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/json_method_codec.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 FlutterWindowsView;
// 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(FlutterWindowsView* view,
int key,
int scancode,
int action,
char32_t character) override;
// |KeyboardHookHandler|
void TextHook(FlutterWindowsView* view, const std::u16string& text) 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 client id.
int client_id_;
// The active model. nullptr if not set.
std::unique_ptr<TextInputModel> active_model_;
// Keyboard type of the client. See available options:
// https://docs.flutter.io/flutter/services/TextInputType-class.html
std::string input_type_;
// An action requested by the user on the input client. See available options:
// https://docs.flutter.io/flutter/services/TextInputAction-class.html
std::string input_action_;
};
} // namespace flutter
#endif // FLUTTER_SHELL_PLATFORM_WINDOWS_TEXT_INPUT_PLUGIN_H_