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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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496 void AddDrawableDescendants(int num); | 496 void AddDrawableDescendants(int num); |
497 | 497 |
498 void AddDependentNeedsPushProperties(); | 498 void AddDependentNeedsPushProperties(); |
499 void RemoveDependentNeedsPushProperties(); | 499 void RemoveDependentNeedsPushProperties(); |
500 bool parent_should_know_need_push_properties() const { | 500 bool parent_should_know_need_push_properties() const { |
501 return needs_push_properties() || descendant_needs_push_properties(); | 501 return needs_push_properties() || descendant_needs_push_properties(); |
502 } | 502 } |
503 | 503 |
504 bool IsPropertyChangeAllowed() const; | 504 bool IsPropertyChangeAllowed() const; |
505 | 505 |
506 // If this layer has a scroll parent, it removes |this| from its list of | |
507 // scroll children. | |
508 void RemoveFromScrollTree(); | |
509 | |
510 // If this layer has a clip parent, it removes |this| from its list of clip | |
511 // children. | |
512 void RemoveFromClipTree(); | |
513 | |
514 void reset_raster_scale_to_unknown() { raster_scale_ = 0.f; } | 506 void reset_raster_scale_to_unknown() { raster_scale_ = 0.f; } |
515 | 507 |
516 // This flag is set when the layer needs to push properties to the impl | 508 // This flag is set when the layer needs to push properties to the impl |
517 // side. | 509 // side. |
518 bool needs_push_properties_; | 510 bool needs_push_properties_; |
519 | 511 |
520 // The number of direct children or dependent layers that need to be recursed | 512 // The number of direct children or dependent layers that need to be recursed |
521 // to in order for them or a descendent of them to push properties to the impl | 513 // to in order for them or a descendent of them to push properties to the impl |
522 // side. | 514 // side. |
523 int num_dependents_need_push_properties_; | 515 int num_dependents_need_push_properties_; |
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563 | 555 |
564 // LayerAnimationValueObserver implementation. | 556 // LayerAnimationValueObserver implementation. |
565 virtual void OnFilterAnimated(const FilterOperations& filters) OVERRIDE; | 557 virtual void OnFilterAnimated(const FilterOperations& filters) OVERRIDE; |
566 virtual void OnOpacityAnimated(float opacity) OVERRIDE; | 558 virtual void OnOpacityAnimated(float opacity) OVERRIDE; |
567 virtual void OnTransformAnimated(const gfx::Transform& transform) OVERRIDE; | 559 virtual void OnTransformAnimated(const gfx::Transform& transform) OVERRIDE; |
568 virtual void OnScrollOffsetAnimated( | 560 virtual void OnScrollOffsetAnimated( |
569 const gfx::Vector2dF& scroll_offset) OVERRIDE; | 561 const gfx::Vector2dF& scroll_offset) OVERRIDE; |
570 virtual void OnAnimationWaitingForDeletion() OVERRIDE; | 562 virtual void OnAnimationWaitingForDeletion() OVERRIDE; |
571 virtual bool IsActive() const OVERRIDE; | 563 virtual bool IsActive() const OVERRIDE; |
572 | 564 |
| 565 // If this layer has a scroll parent, it removes |this| from its list of |
| 566 // scroll children. |
| 567 void RemoveFromScrollTree(); |
| 568 |
| 569 // If this layer has a clip parent, it removes |this| from its list of clip |
| 570 // children. |
| 571 void RemoveFromClipTree(); |
| 572 |
573 LayerList children_; | 573 LayerList children_; |
574 Layer* parent_; | 574 Layer* parent_; |
575 | 575 |
576 // Layer instances have a weak pointer to their LayerTreeHost. | 576 // Layer instances have a weak pointer to their LayerTreeHost. |
577 // This pointer value is nil when a Layer is not in a tree and is | 577 // This pointer value is nil when a Layer is not in a tree and is |
578 // updated via SetLayerTreeHost() if a layer moves between trees. | 578 // updated via SetLayerTreeHost() if a layer moves between trees. |
579 LayerTreeHost* layer_tree_host_; | 579 LayerTreeHost* layer_tree_host_; |
580 | 580 |
581 scoped_refptr<LayerAnimationController> layer_animation_controller_; | 581 scoped_refptr<LayerAnimationController> layer_animation_controller_; |
582 | 582 |
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640 DrawProperties<Layer> draw_properties_; | 640 DrawProperties<Layer> draw_properties_; |
641 | 641 |
642 PaintProperties paint_properties_; | 642 PaintProperties paint_properties_; |
643 | 643 |
644 DISALLOW_COPY_AND_ASSIGN(Layer); | 644 DISALLOW_COPY_AND_ASSIGN(Layer); |
645 }; | 645 }; |
646 | 646 |
647 } // namespace cc | 647 } // namespace cc |
648 | 648 |
649 #endif // CC_LAYERS_LAYER_H_ | 649 #endif // CC_LAYERS_LAYER_H_ |
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