| // Copyright 2017 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_PREVIEWS_CONTENT_PREVIEWS_CONTENT_UTIL_H_ |
| #define COMPONENTS_PREVIEWS_CONTENT_PREVIEWS_CONTENT_UTIL_H_ |
| |
| #include "components/previews/core/previews_decider.h" |
| #include "content/public/common/previews_state.h" |
| |
| namespace previews { |
| |
| // Returns the bitmask of enabled client-side previews for |url_request| and |
| // the current effective network connection given |previews_decider|. |
| // This handles the mapping of previews::PreviewsType enum values to bitmask |
| // definitions for content::PreviewsState. |
| content::PreviewsState DetermineClientPreviewsState( |
| const net::URLRequest& url_request, |
| previews::PreviewsDecider* previews_decider); |
| |
| // Returns the effective PreviewsType known on a main frame basis given the |
| // |previews_state| bitmask for the committed main frame. Will return NONE |
| // for LoFi since it would be determined at image subresource load time. |
| previews::PreviewsType GetMainFramePreviewsType( |
| content::PreviewsState previews_state); |
| |
| } // namespace previews |
| |
| #endif // COMPONENTS_PREVIEWS_CONTENT_PREVIEWS_CONTENT_UTIL_H_ |
