chrome/browser/chromeos/arc/voice_interaction/highlighter_controller_client.h

// Copyright 2017 The Chromium 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 CHROME_BROWSER_CHROMEOS_ARC_VOICE_INTERACTION_HIGHLIGHTER_CONTROLLER_CLIENT_H_
#define CHROME_BROWSER_CHROMEOS_ARC_VOICE_INTERACTION_HIGHLIGHTER_CONTROLLER_CLIENT_H_

#include <memory>

#include "ash/public/interfaces/highlighter_controller.mojom.h"
#include "base/macros.h"
#include "mojo/public/cpp/bindings/binding.h"

namespace gfx {
class Rect;
}  // namespace gfx

namespace base {
class OneShotTimer;
}  // namespace base

namespace service_manager {
class Connector;
}  // namespace service_manager

namespace arc {

class ArcVoiceInteractionFrameworkService;

class HighlighterControllerClient
    : public ash::mojom::HighlighterControllerClient {
 public:
  explicit HighlighterControllerClient(
      ArcVoiceInteractionFrameworkService* service);
  ~HighlighterControllerClient() override;

  // Attaches the client to the controller.
  void Attach();

  // Detaches the client from the controller.
  void Detach();

  void SetConnectorForTesting(service_manager::Connector* connector) {
    connector_ = connector;
  }

  void SimulateSelectionTimeoutForTesting();

  void FlushMojoForTesting();

  // Request to exit curent session.
  void Exit();

 private:
  void ConnectToHighlighterController();

  // ash::mojom::HighlighterControllerClient:
  void HandleSelection(const gfx::Rect& rect) override;
  void HandleEnabledStateChange(bool enabled) override;

  void ReportSelection(const gfx::Rect& rect);

  bool start_session_pending() const { return delay_timer_.get(); }

  // Unowned pointer to a mojo connector.
  service_manager::Connector* connector_ = nullptr;

  // Binds to the client interface.
  mojo::Binding<ash::mojom::HighlighterControllerClient> binding_;

  // HighlighterController interface in ash.
  ash::mojom::HighlighterControllerPtr highlighter_controller_;

  ArcVoiceInteractionFrameworkService* service_;

  std::unique_ptr<base::OneShotTimer> delay_timer_;

  DISALLOW_COPY_AND_ASSIGN(HighlighterControllerClient);
};

}  // namespace arc

#endif  // CHROME_BROWSER_CHROMEOS_ARC_VOICE_INTERACTION_HIGHLIGHTER_CONTROLLER_CLIENT_H_