| // 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 WebCompositorMutableState_h |
| #define WebCompositorMutableState_h |
| |
| #include <cstdint> |
| |
| class SkMatrix44; |
| |
| namespace blink { |
| |
| // This class wraps the compositor-owned, mutable state for a single element. |
| class WebCompositorMutableState { |
| public: |
| virtual ~WebCompositorMutableState() { } |
| |
| virtual double opacity() const = 0; |
| virtual void setOpacity(double) = 0; |
| |
| virtual const SkMatrix44& transform() const = 0; |
| virtual void setTransform(const SkMatrix44&) = 0; |
| |
| virtual double scrollLeft() const = 0; |
| virtual void setScrollLeft(double) = 0; |
| |
| virtual double scrollTop() const = 0; |
| virtual void setScrollTop(double) = 0; |
| }; |
| |
| } // namespace blink |
| |
| #endif // WebCompositorMutableState_h |