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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CompositorMutableStateProvider_h | 5 #ifndef CompositorMutableStateProvider_h |
| 6 #define CompositorMutableStateProvider_h | 6 #define CompositorMutableStateProvider_h |
| 7 | 7 |
| 8 #include "platform/PlatformExport.h" | |
| 9 #include <cstdint> | 8 #include <cstdint> |
| 10 #include <memory> | 9 #include <memory> |
| 10 #include "platform/PlatformExport.h" |
| 11 | 11 |
| 12 namespace cc { | 12 namespace cc { |
| 13 class LayerTreeImpl; | 13 class LayerTreeImpl; |
| 14 } // namespace cc | 14 } // namespace cc |
| 15 | 15 |
| 16 namespace blink { | 16 namespace blink { |
| 17 | 17 |
| 18 class CompositorMutableState; | 18 class CompositorMutableState; |
| 19 struct CompositorMutations; | 19 struct CompositorMutations; |
| 20 | 20 |
| 21 // This class is a window onto compositor-owned state. It vends out wrappers | 21 // This class is a window onto compositor-owned state. It vends out wrappers |
| 22 // around per-element bits of this state. | 22 // around per-element bits of this state. |
| 23 class PLATFORM_EXPORT CompositorMutableStateProvider { | 23 class PLATFORM_EXPORT CompositorMutableStateProvider { |
| 24 public: | 24 public: |
| 25 CompositorMutableStateProvider(cc::LayerTreeImpl*, CompositorMutations*); | 25 CompositorMutableStateProvider(cc::LayerTreeImpl*, CompositorMutations*); |
| 26 ~CompositorMutableStateProvider(); | 26 ~CompositorMutableStateProvider(); |
| 27 | 27 |
| 28 std::unique_ptr<CompositorMutableState> getMutableStateFor( | 28 std::unique_ptr<CompositorMutableState> getMutableStateFor( |
| 29 uint64_t elementId); | 29 uint64_t elementId); |
| 30 | 30 |
| 31 private: | 31 private: |
| 32 cc::LayerTreeImpl* m_tree; | 32 cc::LayerTreeImpl* m_tree; |
| 33 CompositorMutations* m_mutations; | 33 CompositorMutations* m_mutations; |
| 34 }; | 34 }; |
| 35 | 35 |
| 36 } // namespace blink | 36 } // namespace blink |
| 37 | 37 |
| 38 #endif // CompositorMutableStateProvider_h | 38 #endif // CompositorMutableStateProvider_h |
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