chromium/components/image_fetcher/core/image_fetcher.h

// Copyright 2014 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_IMAGE_FETCHER_CORE_IMAGE_FETCHER_H_
#define COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_FETCHER_H_

#include <optional>
#include <string>
#include <utility>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/time/time.h"
#include "components/image_fetcher/core/image_fetcher_types.h"
#include "net/traffic_annotation/network_traffic_annotation.h"
#include "ui/gfx/geometry/size.h"
#include "url/gurl.h"

namespace data_decoder {
class DataDecoder;
}  // namespace data_decoder

namespace image_fetcher {

class ImageDecoder;
class ReducedModeImageFetcher;

// Encapsulates image fetching customization options.
// (required)
// traffic_annotation
//   Documents what the network traffic is for, gives you free metrics.
// max_download_size
//   Limits the size of the downloaded image.
// frame_size
//   If multiple sizes of the image are available on the server, choose the one
//   that's closest to the given size (only useful for .icos). Does NOT resize
//   the downloaded image to the given dimensions.
class ImageFetcherParams { … };

// A class used to fetch server images. It can be called from any thread and the
// callback will be called on the thread which initiated the fetch.
class ImageFetcher { … };

}  // namespace image_fetcher

#endif  // COMPONENTS_IMAGE_FETCHER_CORE_IMAGE_FETCHER_H_