| // 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_PLATFORM_HANDLER_H_ |
| #define FLUTTER_SHELL_PLATFORM_WINDOWS_PLATFORM_HANDLER_H_ |
| |
| #include "flutter/shell/platform/common/client_wrapper/include/flutter/binary_messenger.h" |
| #include "flutter/shell/platform/common/client_wrapper/include/flutter/method_channel.h" |
| #include "rapidjson/document.h" |
| |
| namespace flutter { |
| |
| class FlutterWindowsView; |
| |
| // Handler for internal system channels. |
| class PlatformHandler { |
| public: |
| explicit PlatformHandler(BinaryMessenger* messenger); |
| |
| virtual ~PlatformHandler(); |
| |
| // Creates a new platform handler using the given messenger and view. |
| static std::unique_ptr<PlatformHandler> Create(BinaryMessenger* messenger, |
| FlutterWindowsView* view); |
| |
| protected: |
| // Gets plain text from the clipboard and provides it to |result| as the |
| // value in a dictionary with the given |key|. |
| virtual void GetPlainText( |
| std::unique_ptr<MethodResult<rapidjson::Document>> result, |
| std::string_view key) = 0; |
| |
| // Sets the clipboard's plain text to |text|, and reports the result (either |
| // an error, or null for success) to |result|. |
| virtual void SetPlainText( |
| const std::string& text, |
| std::unique_ptr<MethodResult<rapidjson::Document>> result) = 0; |
| |
| // A error type to use for error responses. |
| static constexpr char kClipboardError[] = "Clipboard error"; |
| |
| private: |
| // Called when a method is called on |channel_|; |
| void HandleMethodCall( |
| const MethodCall<rapidjson::Document>& method_call, |
| std::unique_ptr<MethodResult<rapidjson::Document>> result); |
| |
| // The MethodChannel used for communication with the Flutter engine. |
| std::unique_ptr<MethodChannel<rapidjson::Document>> channel_; |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_SHELL_PLATFORM_WINDOWS_PLATFORM_HANDLER_H_ |