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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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262 return draw_properties_.render_surface.get(); | 262 return draw_properties_.render_surface.get(); |
263 } | 263 } |
264 int num_unclipped_descendants() const { | 264 int num_unclipped_descendants() const { |
265 return draw_properties_.num_unclipped_descendants; | 265 return draw_properties_.num_unclipped_descendants; |
266 } | 266 } |
267 | 267 |
268 void SetScrollOffset(gfx::Vector2d scroll_offset); | 268 void SetScrollOffset(gfx::Vector2d scroll_offset); |
269 gfx::Vector2d scroll_offset() const { return scroll_offset_; } | 269 gfx::Vector2d scroll_offset() const { return scroll_offset_; } |
270 void SetScrollOffsetFromImplSide(gfx::Vector2d scroll_offset); | 270 void SetScrollOffsetFromImplSide(gfx::Vector2d scroll_offset); |
271 | 271 |
272 void SetMaxScrollOffset(gfx::Vector2d max_scroll_offset); | 272 gfx::Vector2d MaxScrollOffset() const; |
273 gfx::Vector2d max_scroll_offset() const { return max_scroll_offset_; } | |
274 | 273 |
275 void SetScrollable(bool scrollable); | 274 void SetScrollClipLayerId(int clip_layer_id); |
276 bool scrollable() const { return scrollable_; } | 275 bool scrollable() const { return scroll_clip_layer_id_ != INVALID_ID; } |
277 | 276 |
278 void SetUserScrollable(bool horizontal, bool vertical); | 277 void SetUserScrollable(bool horizontal, bool vertical); |
279 bool user_scrollable_horizontal() const { | 278 bool user_scrollable_horizontal() const { |
280 return user_scrollable_horizontal_; | 279 return user_scrollable_horizontal_; |
281 } | 280 } |
282 bool user_scrollable_vertical() const { return user_scrollable_vertical_; } | 281 bool user_scrollable_vertical() const { return user_scrollable_vertical_; } |
283 | 282 |
284 void SetShouldScrollOnMainThread(bool should_scroll_on_main_thread); | 283 void SetShouldScrollOnMainThread(bool should_scroll_on_main_thread); |
285 bool should_scroll_on_main_thread() const { | 284 bool should_scroll_on_main_thread() const { |
286 return should_scroll_on_main_thread_; | 285 return should_scroll_on_main_thread_; |
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558 // This pointer value is nil when a Layer is not in a tree and is | 557 // This pointer value is nil when a Layer is not in a tree and is |
559 // updated via SetLayerTreeHost() if a layer moves between trees. | 558 // updated via SetLayerTreeHost() if a layer moves between trees. |
560 LayerTreeHost* layer_tree_host_; | 559 LayerTreeHost* layer_tree_host_; |
561 | 560 |
562 scoped_refptr<LayerAnimationController> layer_animation_controller_; | 561 scoped_refptr<LayerAnimationController> layer_animation_controller_; |
563 | 562 |
564 // Layer properties. | 563 // Layer properties. |
565 gfx::Size bounds_; | 564 gfx::Size bounds_; |
566 | 565 |
567 gfx::Vector2d scroll_offset_; | 566 gfx::Vector2d scroll_offset_; |
568 gfx::Vector2d max_scroll_offset_; | 567 // This variable indicates which ancestor layer (if any) whose size, |
| 568 // transformed relative to this layer, defines the maximum scroll offset for |
| 569 // this layer. |
| 570 int scroll_clip_layer_id_; |
569 bool scrollable_ : 1; | 571 bool scrollable_ : 1; |
570 bool should_scroll_on_main_thread_ : 1; | 572 bool should_scroll_on_main_thread_ : 1; |
571 bool have_wheel_event_handlers_ : 1; | 573 bool have_wheel_event_handlers_ : 1; |
572 bool user_scrollable_horizontal_ : 1; | 574 bool user_scrollable_horizontal_ : 1; |
573 bool user_scrollable_vertical_ : 1; | 575 bool user_scrollable_vertical_ : 1; |
574 bool is_root_for_isolated_group_ : 1; | 576 bool is_root_for_isolated_group_ : 1; |
575 bool is_container_for_fixed_position_layers_ : 1; | 577 bool is_container_for_fixed_position_layers_ : 1; |
576 bool is_drawable_ : 1; | 578 bool is_drawable_ : 1; |
577 bool hide_layer_and_subtree_ : 1; | 579 bool hide_layer_and_subtree_ : 1; |
578 bool masks_to_bounds_ : 1; | 580 bool masks_to_bounds_ : 1; |
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617 DrawProperties<Layer> draw_properties_; | 619 DrawProperties<Layer> draw_properties_; |
618 | 620 |
619 PaintProperties paint_properties_; | 621 PaintProperties paint_properties_; |
620 | 622 |
621 DISALLOW_COPY_AND_ASSIGN(Layer); | 623 DISALLOW_COPY_AND_ASSIGN(Layer); |
622 }; | 624 }; |
623 | 625 |
624 } // namespace cc | 626 } // namespace cc |
625 | 627 |
626 #endif // CC_LAYERS_LAYER_H_ | 628 #endif // CC_LAYERS_LAYER_H_ |
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