ash/ambient/ambient_managed_slideshow_ui_launcher.h

// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef ASH_AMBIENT_AMBIENT_MANAGED_SLIDESHOW_UI_LAUNCHER_H_
#define ASH_AMBIENT_AMBIENT_MANAGED_SLIDESHOW_UI_LAUNCHER_H_

#include <vector>

#include "ash/ambient/ambient_managed_photo_controller.h"
#include "ash/ambient/ambient_photo_controller.h"
#include "ash/ambient/ambient_ui_launcher.h"
#include "ash/ambient/ambient_view_delegate_impl.h"
#include "ash/ambient/managed/screensaver_images_policy_handler.h"
#include "ash/ambient/model/ambient_backend_model_observer.h"
#include "ash/public/cpp/session/session_observer.h"
#include "base/files/file_path.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"

namespace ash {

class AmbientManagedSlideshowUiLauncher
    : public AmbientUiLauncher,
      public AmbientBackendModelObserver,
      public AmbientManagedPhotoController::Observer,
      public SessionObserver {
 public:
  AmbientManagedSlideshowUiLauncher(
      AmbientViewDelegateImpl* delegate,
      ScreensaverImagesPolicyHandler* policy_handler);
  AmbientManagedSlideshowUiLauncher(const AmbientManagedSlideshowUiLauncher&) =
      delete;
  AmbientManagedSlideshowUiLauncher& operator=(
      const AmbientManagedSlideshowUiLauncher&) = delete;
  ~AmbientManagedSlideshowUiLauncher() override;

  // AmbientBackendModelObserver:
  void OnImagesReady() override;

  // AmbientManagedPhotoController::Observer:
  void OnErrorStateChanged() override;

  // SessionObserver:
  void OnLockStateChanged(bool locked) override;

  // AmbientUiLauncher:
  void Initialize(InitializationCallback on_done) override;
  std::unique_ptr<views::View> CreateView() override;
  void Finalize() override;
  AmbientBackendModel* GetAmbientBackendModel() override;
  AmbientPhotoController* GetAmbientPhotoController() override;
  std::unique_ptr<AmbientSessionMetricsRecorder::Delegate>
  CreateMetricsDelegate(AmbientUiSettings current_ui_settings) override;

 private:
  friend class AmbientAshTestBase;

  // Calls update image file paths on |AmbientManagedPhotoController|. Used by
  // the |ScreensaverImagesPolicyHandler| callback.
  void UpdateImageFilePaths(const std::vector<base::FilePath>& path_to_images);

  bool ComputeReadyState();

  AmbientManagedPhotoController photo_controller_;
  const raw_ptr<AmbientViewDelegateImpl> delegate_;
  InitializationCallback initialization_callback_;
  base::ScopedObservation<AmbientBackendModel, AmbientBackendModelObserver>
      ambient_backend_model_observer_{this};
  ScopedSessionObserver session_observer_{this};

  const raw_ptr<ScreensaverImagesPolicyHandler, DanglingUntriaged>
      screensaver_images_policy_handler_;

  base::WeakPtrFactory<AmbientManagedSlideshowUiLauncher> weak_factory_{this};
};

}  // namespace ash

#endif  // ASH_AMBIENT_AMBIENT_MANAGED_SLIDESHOW_UI_LAUNCHER_H_