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1 // Copyright 2010 The Chromium Authors. All rights reserved. | 1 // Copyright 2010 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 CC_LAYERS_LAYER_H_ | 5 #ifndef CC_LAYERS_LAYER_H_ |
6 #define CC_LAYERS_LAYER_H_ | 6 #define CC_LAYERS_LAYER_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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497 void AddDrawableDescendants(int num); | 497 void AddDrawableDescendants(int num); |
498 | 498 |
499 void AddDependentNeedsPushProperties(); | 499 void AddDependentNeedsPushProperties(); |
500 void RemoveDependentNeedsPushProperties(); | 500 void RemoveDependentNeedsPushProperties(); |
501 bool parent_should_know_need_push_properties() const { | 501 bool parent_should_know_need_push_properties() const { |
502 return needs_push_properties() || descendant_needs_push_properties(); | 502 return needs_push_properties() || descendant_needs_push_properties(); |
503 } | 503 } |
504 | 504 |
505 bool IsPropertyChangeAllowed() const; | 505 bool IsPropertyChangeAllowed() const; |
506 | 506 |
507 // If this layer has a scroll parent, it removes |this| from its list of | |
508 // scroll children. | |
509 void RemoveFromScrollTree(); | |
510 | |
511 // If this layer has a clip parent, it removes |this| from its list of clip | |
512 // children. | |
513 void RemoveFromClipTree(); | |
514 | |
515 void reset_raster_scale_to_unknown() { raster_scale_ = 0.f; } | 507 void reset_raster_scale_to_unknown() { raster_scale_ = 0.f; } |
516 | 508 |
517 // This flag is set when the layer needs to push properties to the impl | 509 // This flag is set when the layer needs to push properties to the impl |
518 // side. | 510 // side. |
519 bool needs_push_properties_; | 511 bool needs_push_properties_; |
520 | 512 |
521 // The number of direct children or dependent layers that need to be recursed | 513 // The number of direct children or dependent layers that need to be recursed |
522 // to in order for them or a descendent of them to push properties to the impl | 514 // to in order for them or a descendent of them to push properties to the impl |
523 // side. | 515 // side. |
524 int num_dependents_need_push_properties_; | 516 int num_dependents_need_push_properties_; |
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564 | 556 |
565 // LayerAnimationValueObserver implementation. | 557 // LayerAnimationValueObserver implementation. |
566 virtual void OnFilterAnimated(const FilterOperations& filters) OVERRIDE; | 558 virtual void OnFilterAnimated(const FilterOperations& filters) OVERRIDE; |
567 virtual void OnOpacityAnimated(float opacity) OVERRIDE; | 559 virtual void OnOpacityAnimated(float opacity) OVERRIDE; |
568 virtual void OnTransformAnimated(const gfx::Transform& transform) OVERRIDE; | 560 virtual void OnTransformAnimated(const gfx::Transform& transform) OVERRIDE; |
569 virtual void OnScrollOffsetAnimated( | 561 virtual void OnScrollOffsetAnimated( |
570 const gfx::Vector2dF& scroll_offset) OVERRIDE; | 562 const gfx::Vector2dF& scroll_offset) OVERRIDE; |
571 virtual void OnAnimationWaitingForDeletion() OVERRIDE; | 563 virtual void OnAnimationWaitingForDeletion() OVERRIDE; |
572 virtual bool IsActive() const OVERRIDE; | 564 virtual bool IsActive() const OVERRIDE; |
573 | 565 |
| 566 // If this layer has a scroll parent, it removes |this| from its list of |
| 567 // scroll children. |
| 568 void RemoveFromScrollTree(); |
| 569 |
| 570 // If this layer has a clip parent, it removes |this| from its list of clip |
| 571 // children. |
| 572 void RemoveFromClipTree(); |
| 573 |
574 LayerList children_; | 574 LayerList children_; |
575 Layer* parent_; | 575 Layer* parent_; |
576 | 576 |
577 // Layer instances have a weak pointer to their LayerTreeHost. | 577 // Layer instances have a weak pointer to their LayerTreeHost. |
578 // This pointer value is nil when a Layer is not in a tree and is | 578 // This pointer value is nil when a Layer is not in a tree and is |
579 // updated via SetLayerTreeHost() if a layer moves between trees. | 579 // updated via SetLayerTreeHost() if a layer moves between trees. |
580 LayerTreeHost* layer_tree_host_; | 580 LayerTreeHost* layer_tree_host_; |
581 | 581 |
582 scoped_refptr<LayerAnimationController> layer_animation_controller_; | 582 scoped_refptr<LayerAnimationController> layer_animation_controller_; |
583 | 583 |
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641 DrawProperties<Layer> draw_properties_; | 641 DrawProperties<Layer> draw_properties_; |
642 | 642 |
643 PaintProperties paint_properties_; | 643 PaintProperties paint_properties_; |
644 | 644 |
645 DISALLOW_COPY_AND_ASSIGN(Layer); | 645 DISALLOW_COPY_AND_ASSIGN(Layer); |
646 }; | 646 }; |
647 | 647 |
648 } // namespace cc | 648 } // namespace cc |
649 | 649 |
650 #endif // CC_LAYERS_LAYER_H_ | 650 #endif // CC_LAYERS_LAYER_H_ |
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