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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PAGE_IMAGE_SERVICE_IMAGE_SERVICE_H_
#define COMPONENTS_PAGE_IMAGE_SERVICE_IMAGE_SERVICE_H_
#include "base/functional/callback_forward.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/page_image_service/mojom/page_image_service.mojom.h"
#include "url/gurl.h"
namespace page_image_service {
// Base pure virtual interface for ImageService so that it can be mocked in
// tests.
class ImageService : public KeyedService {
public:
using ResultCallback = base::OnceCallback<void(const GURL& image_url)>;
ImageService() = default;
ImageService(const ImageService&) = delete;
ImageService& operator=(const ImageService&) = delete;
~ImageService() override = default;
// Fetches an image appropriate for `page_url`, returning the result
// asynchronously to `callback`. The callback is always invoked. If there are
// no images available, it is invoked with an empty GURL result.
virtual void FetchImageFor(mojom::ClientId client_id,
const GURL& page_url,
const mojom::Options& options,
ResultCallback callback) = 0;
// Gets a weak pointer to this service. Used when UIs want to create an
// object whose lifetime might exceed the service.
virtual base::WeakPtr<ImageService> GetWeakPtr() = 0;
};
} // namespace page_image_service
#endif // COMPONENTS_PAGE_IMAGE_SERVICE_IMAGE_SERVICE_H_
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