src/ui/a11y/lib/screen_reader/screen_reader_context.h

// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SRC_UI_A11Y_LIB_SCREEN_READER_SCREEN_READER_CONTEXT_H_
#define SRC_UI_A11Y_LIB_SCREEN_READER_SCREEN_READER_CONTEXT_H_

#include <memory>

#include "src/ui/a11y/lib/screen_reader/focus/a11y_focus_manager.h"

namespace a11y {

// ScreenReaderContext class stores the current state of the screen reader which includes the
// currently selected node(via the a11y focus manager) and state(currently selected semantic level).
// This class will be queried by "Actions" to get screen reader information.
// TODO(fxb/45886): Add support to store currently selected semantic level inside the
// ScreenReaderContext class.
class ScreenReaderContext {
 public:
  explicit ScreenReaderContext(std::unique_ptr<A11yFocusManager> a11y_focus_manager);

  virtual ~ScreenReaderContext() = default;

  // Returns pointer to A11yFocusManager which stores a11y focus information for screen reader.
  virtual A11yFocusManager* GetA11yFocusManager();

 private:
  // Stores A11yFocusManager pointer.
  // A11yFocusManager pointer should never be nullptr.
  std::unique_ptr<A11yFocusManager> a11y_focus_manager_;
};

}  // namespace a11y

#endif  // SRC_UI_A11Y_LIB_SCREEN_READER_SCREEN_READER_CONTEXT_H_