| // 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_ |