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json_message_codec.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef FLUTTER_SHELL_PLATFORM_COMMON_JSON_MESSAGE_CODEC_H_
6 #define FLUTTER_SHELL_PLATFORM_COMMON_JSON_MESSAGE_CODEC_H_
7
8 #include <rapidjson/document.h>
9
10 #include "flutter/shell/platform/common/client_wrapper/include/flutter/message_codec.h"
11
12 namespace flutter {
13
14 // A message encoding/decoding mechanism for communications to/from the
15 // Flutter engine via JSON channels.
16 class JsonMessageCodec : public MessageCodec<rapidjson::Document> {
17 public:
18 // Returns the shared instance of the codec.
19 static const JsonMessageCodec& GetInstance();
20
21 ~JsonMessageCodec() = default;
22
23 // Prevent copying.
24 JsonMessageCodec(JsonMessageCodec const&) = delete;
25 JsonMessageCodec& operator=(JsonMessageCodec const&) = delete;
26
27 protected:
28 // Instances should be obtained via GetInstance.
29 JsonMessageCodec() = default;
30
31 // |flutter::MessageCodec|
32 std::unique_ptr<rapidjson::Document> DecodeMessageInternal(
33 const uint8_t* binary_message,
34 const size_t message_size) const override;
35
36 // |flutter::MessageCodec|
37 std::unique_ptr<std::vector<uint8_t>> EncodeMessageInternal(
38 const rapidjson::Document& message) const override;
39 };
40
41 } // namespace flutter
42
43 #endif // FLUTTER_SHELL_PLATFORM_COMMON_JSON_MESSAGE_CODEC_H_
flutter::JsonMessageCodec
Definition: json_message_codec.h:16
flutter::JsonMessageCodec::GetInstance
static const JsonMessageCodec & GetInstance()
Definition: json_message_codec.cc:17
flutter::JsonMessageCodec::DecodeMessageInternal
std::unique_ptr< rapidjson::Document > DecodeMessageInternal(const uint8_t *binary_message, const size_t message_size) const override
Definition: json_message_codec.cc:35
flutter::JsonMessageCodec::operator=
JsonMessageCodec & operator=(JsonMessageCodec const &)=delete
flutter::JsonMessageCodec::JsonMessageCodec
JsonMessageCodec()=default
flutter::JsonMessageCodec::JsonMessageCodec
JsonMessageCodec(JsonMessageCodec const &)=delete
flutter::JsonMessageCodec::~JsonMessageCodec
~JsonMessageCodec()=default
flutter::JsonMessageCodec::EncodeMessageInternal
std::unique_ptr< std::vector< uint8_t > > EncodeMessageInternal(const rapidjson::Document &message) const override
Definition: json_message_codec.cc:22
flutter::MessageCodec
Definition: message_codec.h:17
message
Win32Message message
Definition: keyboard_unittests.cc:137
message_codec.h
flutter
Definition: accessibility_bridge_windows.cc:11