| // Copyright 2015 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_EXO_SURFACE_DELEGATE_H_ |
| #define COMPONENTS_EXO_SURFACE_DELEGATE_H_ |
| |
| namespace exo { |
| |
| // Handles events on surfaces in context-specific ways. |
| class SurfaceDelegate { |
| public: |
| // Called when surface was requested to commit all double-buffered state. |
| virtual void OnSurfaceCommit() = 0; |
| |
| // Returns true if surface is in synchronized mode. ie. commit of |
| // double-buffered state should be synchronized with parent surface. |
| virtual bool IsSurfaceSynchronized() const = 0; |
| |
| protected: |
| virtual ~SurfaceDelegate() {} |
| }; |
| |
| } // namespace exo |
| |
| #endif // COMPONENTS_EXO_SURFACE_DELEGATE_H_ |