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// Copyright 2016 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 COMPONENTS_NTP_SNIPPETS_CALLBACKS_H_
#define COMPONENTS_NTP_SNIPPETS_CALLBACKS_H_
#include <string>
#include <vector>
#include "base/callback_forward.h"
namespace gfx {
class Image;
} // namespace gfx
namespace ntp_snippets {
class ContentSuggestion;
struct Status;
// Returns the result of a |Fetch| call by a ContentSuggestionsProvider.
using FetchDoneCallback =
base::OnceCallback<void(Status status_code,
std::vector<ContentSuggestion> suggestions)>;
// Returns the resulting image of a |FetchSuggestionImage| call by a
// ContentSuggestionsProvider.
using ImageFetchedCallback = base::OnceCallback<void(const gfx::Image&)>;
using ImageDataFetchedCallback =
base::OnceCallback<void(const std::string& image_data)>;
// Returns the list of dismissed suggestions when invoked. Currently only used
// for debugging methods to check the internal state of a provider.
using DismissedSuggestionsCallback = base::OnceCallback<void(
std::vector<ContentSuggestion> dismissed_suggestions)>;
} // namespace ntp_snippets
#endif // COMPONENTS_NTP_SNIPPETS_CALLBACKS_H_
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