chromium/chrome/browser/search/background/ntp_background_data.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_SEARCH_BACKGROUND_NTP_BACKGROUND_DATA_H_
#define CHROME_BROWSER_SEARCH_BACKGROUND_NTP_BACKGROUND_DATA_H_

#include <optional>
#include <string>

#include "base/token.h"
#include "chrome/browser/search/background/ntp_background.pb.h"
#include "third_party/skia/include/core/SkColor.h"
#include "url/gurl.h"

enum class ErrorType { … };

std::string GetThumbnailImageOptions();
// Adds options for resizing an image to its url.
// Without options added to the image, it is 512x512.
// TODO(crbug.com/41408116): Request resolution from service, instead of
// setting it here.
GURL AddOptionsToImageURL(const std::string& image_url,
                          const std::string& image_options);

// Background images are organized into collections, according to a theme. This
// struct contains the data required to display information about a collection,
// including a representative image. The complete set of CollectionImages must
// be requested separately, by referencing the identifier for this collection.
struct CollectionInfo { … };

bool operator==(const CollectionInfo& lhs, const CollectionInfo& rhs);
bool operator!=(const CollectionInfo& lhs, const CollectionInfo& rhs);

// Represents an image within a collection. The associated collection_id may be
// used to get CollectionInfo.
struct CollectionImage { … };

bool operator==(const CollectionImage& lhs, const CollectionImage& rhs);
bool operator!=(const CollectionImage& lhs, const CollectionImage& rhs);

// Represents errors that occur when communicating with the Backdrop service and
// Google Photos.
struct ErrorInfo { … };

// Represents a custom background on the new tab page.
struct CustomBackground { … };

#endif  // CHROME_BROWSER_SEARCH_BACKGROUND_NTP_BACKGROUND_DATA_H_