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_RUNTIME_PLATFORM_DATA_H_
6#define FLUTTER_RUNTIME_PLATFORM_DATA_H_
7
8#include <memory>
9#include <string>
10#include <vector>
11
12#include "flutter/lib/ui/window/viewport_metrics.h"
13#include "flutter/shell/common/display.h"
14
15namespace flutter {
16
17//------------------------------------------------------------------------------
18/// The struct of platform-specific data used for initializing
19/// ui.PlatformDispatcher.
20///
21/// The framework may request data from ui.PlatformDispatcher before the
22/// platform is properly configured. When creating the Shell, the engine sets
23/// this struct to default values until the platform is ready to send the real
24/// data.
25///
26/// See also:
27///
28/// * flutter::Shell::Create, which takes a platform_data to initialize the
29/// ui.PlatformDispatcher attached to it.
30struct PlatformData {
31 PlatformData();
32
33 ~PlatformData();
34
35 ViewportMetrics viewport_metrics;
36 std::string language_code;
37 std::string country_code;
38 std::string script_code;
39 std::string variant_code;
40 std::vector<std::string> locale_data;
41 std::string user_settings_data = "{}";
42 std::string lifecycle_state;
43 bool semantics_enabled = false;
44 bool assistive_technology_enabled = false;
45 int32_t accessibility_feature_flags_ = 0;
46 std::vector<DisplayData> displays;
47};
48
49} // namespace flutter
50
51#endif // FLUTTER_RUNTIME_PLATFORM_DATA_H_
52

source code of flutter_engine/flutter/runtime/platform_data.h

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