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accessibility_plugin.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_WINDOWS_ACCESSIBILITY_PLUGIN_H_
6 #define FLUTTER_SHELL_PLATFORM_WINDOWS_ACCESSIBILITY_PLUGIN_H_
7
8 #include <string_view>
9
10 #include "flutter/fml/macros.h"
11 #include "flutter/shell/platform/common/client_wrapper/include/flutter/binary_messenger.h"
12
13 namespace flutter {
14
15 class FlutterWindowsEngine;
16
17 // Handles messages on the flutter/accessibility channel.
18 //
19 // See:
20 // https://api.flutter.dev/flutter/semantics/SemanticsService-class.html
21 class AccessibilityPlugin {
22 public:
23 explicit AccessibilityPlugin(FlutterWindowsEngine* engine);
24
25 // Begin handling accessibility messages on the `binary_messenger`.
26 static void SetUp(BinaryMessenger* binary_messenger,
27 AccessibilityPlugin* plugin);
28
29 // Announce a message through the assistive technology.
30 virtual void Announce(const std::string_view message);
31
32 private:
33 // The engine that owns this plugin.
34 FlutterWindowsEngine* engine_ = nullptr;
35
36 FML_DISALLOW_COPY_AND_ASSIGN(AccessibilityPlugin);
37 };
38
39 } // namespace flutter
40
41 #endif // FLUTTER_SHELL_PLATFORM_WINDOWS_ACCESSIBILITY_PLUGIN_H_
flutter::FlutterWindowsEngine
Definition: flutter_windows_engine.h:89
binary_messenger.h
flutter::AccessibilityPlugin::AccessibilityPlugin
AccessibilityPlugin(FlutterWindowsEngine *engine)
Definition: accessibility_plugin.cc:73
flutter::BinaryMessenger
Definition: binary_messenger.h:28
flutter
Definition: accessibility_bridge_windows.cc:11
message
Win32Message message
Definition: keyboard_unittests.cc:137
flutter::AccessibilityPlugin::Announce
virtual void Announce(const std::string_view message)
Definition: accessibility_plugin.cc:92
flutter::AccessibilityPlugin
Definition: accessibility_plugin.h:21
flutter::AccessibilityPlugin::SetUp
static void SetUp(BinaryMessenger *binary_messenger, AccessibilityPlugin *plugin)
Definition: accessibility_plugin.cc:76