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56 lines
2.0 KiB
C++
56 lines
2.0 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_PLATFORM_WINDOWS_PLATFORM_HANDLER_H_
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#define FLUTTER_SHELL_PLATFORM_WINDOWS_PLATFORM_HANDLER_H_
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#include "flutter/shell/platform/common/client_wrapper/include/flutter/binary_messenger.h"
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#include "flutter/shell/platform/common/client_wrapper/include/flutter/method_channel.h"
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#include "rapidjson/document.h"
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namespace flutter {
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class FlutterWindowsView;
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// Handler for internal system channels.
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class PlatformHandler {
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public:
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explicit PlatformHandler(BinaryMessenger* messenger);
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virtual ~PlatformHandler();
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// Creates a new platform handler using the given messenger and view.
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static std::unique_ptr<PlatformHandler> Create(BinaryMessenger* messenger,
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FlutterWindowsView* view);
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protected:
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// Gets plain text from the clipboard and provides it to |result| as the
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// value in a dictionary with the given |key|.
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virtual void GetPlainText(
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std::unique_ptr<MethodResult<rapidjson::Document>> result,
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std::string_view key) = 0;
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// Sets the clipboard's plain text to |text|, and reports the result (either
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// an error, or null for success) to |result|.
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virtual void SetPlainText(
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const std::string& text,
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std::unique_ptr<MethodResult<rapidjson::Document>> result) = 0;
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// A error type to use for error responses.
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static constexpr char kClipboardError[] = "Clipboard error";
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private:
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// Called when a method is called on |channel_|;
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void HandleMethodCall(
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const MethodCall<rapidjson::Document>& method_call,
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std::unique_ptr<MethodResult<rapidjson::Document>> result);
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// The MethodChannel used for communication with the Flutter engine.
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std::unique_ptr<MethodChannel<rapidjson::Document>> channel_;
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};
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} // namespace flutter
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#endif // FLUTTER_SHELL_PLATFORM_WINDOWS_PLATFORM_HANDLER_H_
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