| // Copyright 2014 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 UI_OZONE_PUBLIC_OVERLAY_CANDIDATES_OZONE_H_ |
| #define UI_OZONE_PUBLIC_OVERLAY_CANDIDATES_OZONE_H_ |
| |
| #include <vector> |
| |
| #include "base/component_export.h" |
| #include "ui/ozone/public/overlay_surface_candidate.h" |
| |
| namespace ui { |
| |
| // This class can be used to answer questions about possible overlay |
| // configurations for a particular output device. We get an instance of this |
| // class from SurfaceFactoryOzone given an AcceleratedWidget. |
| class COMPONENT_EXPORT(OZONE_BASE) OverlayCandidatesOzone { |
| public: |
| using OverlaySurfaceCandidateList = std::vector<OverlaySurfaceCandidate>; |
| |
| // A list of possible overlay candidates is presented to this function. |
| // The expected result is that those candidates that can be in a separate |
| // plane are marked with |overlay_handled| set to true, otherwise they are |
| // to be traditionally composited. When setting |overlay_handled| to true, |
| // the implementation must also snap |display_rect| to integer coordinates |
| // if necessary. |
| virtual void CheckOverlaySupport(OverlaySurfaceCandidateList* surfaces); |
| |
| virtual ~OverlayCandidatesOzone(); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_OZONE_PUBLIC_OVERLAY_CANDIDATES_OZONE_H_ |