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6726a467a8
Implements the basic engine support for Windows for https://github.com/flutter/flutter/issues/31952
54 lines
1.9 KiB
C++
54 lines
1.9 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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#include "flutter/shell/platform/windows/cursor_handler.h"
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#include <windows.h>
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#include "flutter/shell/platform/common/cpp/client_wrapper/include/flutter/standard_method_codec.h"
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static constexpr char kChannelName[] = "flutter/mousecursor";
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static constexpr char kActivateSystemCursorMethod[] = "activateSystemCursor";
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static constexpr char kKindKey[] = "kind";
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namespace flutter {
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CursorHandler::CursorHandler(flutter::BinaryMessenger* messenger,
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WindowBindingHandler* delegate)
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: channel_(std::make_unique<flutter::MethodChannel<EncodableValue>>(
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messenger,
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kChannelName,
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&flutter::StandardMethodCodec::GetInstance())),
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delegate_(delegate) {
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channel_->SetMethodCallHandler(
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[this](const flutter::MethodCall<EncodableValue>& call,
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std::unique_ptr<flutter::MethodResult<EncodableValue>> result) {
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HandleMethodCall(call, std::move(result));
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});
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}
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void CursorHandler::HandleMethodCall(
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const flutter::MethodCall<EncodableValue>& method_call,
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std::unique_ptr<flutter::MethodResult<EncodableValue>> result) {
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const std::string& method = method_call.method_name();
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if (method.compare(kActivateSystemCursorMethod) == 0) {
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const flutter::EncodableMap& arguments =
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method_call.arguments()->MapValue();
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auto kind_iter = arguments.find(EncodableValue(kKindKey));
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if (kind_iter == arguments.end()) {
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result->Error("Argument error",
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"Missing argument while trying to activate system cursor");
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}
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const std::string& kind = kind_iter->second.StringValue();
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delegate_->UpdateFlutterCursor(kind);
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result->Success();
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} else {
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result->NotImplemented();
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}
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}
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} // namespace flutter
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