OLD | NEW |
1 // Copyright 2011 The Chromium Authors. All rights reserved. | 1 // Copyright 2011 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_IMPL_H_ | 5 #ifndef CC_LAYERS_LAYER_IMPL_H_ |
6 #define CC_LAYERS_LAYER_IMPL_H_ | 6 #define CC_LAYERS_LAYER_IMPL_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <set> | 9 #include <set> |
10 #include <string> | 10 #include <string> |
(...skipping 62 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
73 DRAW_MODE_NONE, | 73 DRAW_MODE_NONE, |
74 DRAW_MODE_HARDWARE, | 74 DRAW_MODE_HARDWARE, |
75 DRAW_MODE_SOFTWARE, | 75 DRAW_MODE_SOFTWARE, |
76 DRAW_MODE_RESOURCELESS_SOFTWARE | 76 DRAW_MODE_RESOURCELESS_SOFTWARE |
77 }; | 77 }; |
78 | 78 |
79 class CC_EXPORT LayerImpl : public LayerAnimationValueObserver, | 79 class CC_EXPORT LayerImpl : public LayerAnimationValueObserver, |
80 public LayerAnimationValueProvider, | 80 public LayerAnimationValueProvider, |
81 public AnimationDelegate { | 81 public AnimationDelegate { |
82 public: | 82 public: |
83 // Allows for the ownership of the total scroll offset to be delegated outside | |
84 // of the layer. | |
85 class ScrollOffsetDelegate { | |
86 public: | |
87 virtual void SetCurrentScrollOffset(const gfx::ScrollOffset& new_value) = 0; | |
88 virtual gfx::ScrollOffset GetCurrentScrollOffset() = 0; | |
89 virtual bool IsExternalFlingActive() const = 0; | |
90 virtual void Update() const = 0; | |
91 }; | |
92 | |
93 typedef SyncedProperty<AdditionGroup<gfx::ScrollOffset>> SyncedScrollOffset; | 83 typedef SyncedProperty<AdditionGroup<gfx::ScrollOffset>> SyncedScrollOffset; |
94 typedef LayerImplList RenderSurfaceListType; | 84 typedef LayerImplList RenderSurfaceListType; |
95 typedef LayerImplList LayerListType; | 85 typedef LayerImplList LayerListType; |
96 typedef RenderSurfaceImpl RenderSurfaceType; | 86 typedef RenderSurfaceImpl RenderSurfaceType; |
97 | 87 |
98 enum RenderingContextConstants { NO_RENDERING_CONTEXT = 0 }; | 88 enum RenderingContextConstants { NO_RENDERING_CONTEXT = 0 }; |
99 | 89 |
100 static scoped_ptr<LayerImpl> Create( | 90 static scoped_ptr<LayerImpl> Create( |
101 LayerTreeImpl* tree_impl, | 91 LayerTreeImpl* tree_impl, |
102 int id, | 92 int id, |
(...skipping 280 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
383 void SetBoundsDelta(const gfx::Vector2dF& bounds_delta); | 373 void SetBoundsDelta(const gfx::Vector2dF& bounds_delta); |
384 gfx::Vector2dF bounds_delta() const { return bounds_delta_; } | 374 gfx::Vector2dF bounds_delta() const { return bounds_delta_; } |
385 | 375 |
386 void SetContentBounds(const gfx::Size& content_bounds); | 376 void SetContentBounds(const gfx::Size& content_bounds); |
387 gfx::Size content_bounds() const { return draw_properties_.content_bounds; } | 377 gfx::Size content_bounds() const { return draw_properties_.content_bounds; } |
388 | 378 |
389 float contents_scale_x() const { return draw_properties_.contents_scale_x; } | 379 float contents_scale_x() const { return draw_properties_.contents_scale_x; } |
390 float contents_scale_y() const { return draw_properties_.contents_scale_y; } | 380 float contents_scale_y() const { return draw_properties_.contents_scale_y; } |
391 void SetContentsScale(float contents_scale_x, float contents_scale_y); | 381 void SetContentsScale(float contents_scale_x, float contents_scale_y); |
392 | 382 |
393 void SetScrollOffsetDelegate(ScrollOffsetDelegate* scroll_offset_delegate); | |
394 void RefreshFromScrollDelegate(); | |
395 bool IsExternalFlingActive() const; | 383 bool IsExternalFlingActive() const; |
396 | 384 |
397 void SetCurrentScrollOffset(const gfx::ScrollOffset& scroll_offset); | 385 void SetCurrentScrollOffset(const gfx::ScrollOffset& scroll_offset); |
398 void PushScrollOffsetFromMainThread(const gfx::ScrollOffset& scroll_offset); | 386 void PushScrollOffsetFromMainThread(const gfx::ScrollOffset& scroll_offset); |
399 // This method is similar to PushScrollOffsetFromMainThread but will cause the | 387 // This method is similar to PushScrollOffsetFromMainThread but will cause the |
400 // scroll offset given to clobber any scroll changes on the active tree in the | 388 // scroll offset given to clobber any scroll changes on the active tree in the |
401 // time until this value is pushed to the active tree. | 389 // time until this value is pushed to the active tree. |
402 void PushScrollOffsetFromMainThreadAndClobberActiveValue( | 390 void PushScrollOffsetFromMainThreadAndClobberActiveValue( |
403 const gfx::ScrollOffset& scroll_offset); | 391 const gfx::ScrollOffset& scroll_offset); |
404 gfx::ScrollOffset PullDeltaForMainThread(); | 392 gfx::ScrollOffset PullDeltaForMainThread(); |
(...skipping 260 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
665 int layer_id_; | 653 int layer_id_; |
666 LayerTreeImpl* layer_tree_impl_; | 654 LayerTreeImpl* layer_tree_impl_; |
667 | 655 |
668 // Properties dynamically changeable on active tree. | 656 // Properties dynamically changeable on active tree. |
669 scoped_refptr<SyncedScrollOffset> scroll_offset_; | 657 scoped_refptr<SyncedScrollOffset> scroll_offset_; |
670 gfx::Vector2dF bounds_delta_; | 658 gfx::Vector2dF bounds_delta_; |
671 | 659 |
672 // Properties synchronized from the associated Layer. | 660 // Properties synchronized from the associated Layer. |
673 gfx::Point3F transform_origin_; | 661 gfx::Point3F transform_origin_; |
674 gfx::Size bounds_; | 662 gfx::Size bounds_; |
675 ScrollOffsetDelegate* scroll_offset_delegate_; | |
676 LayerImpl* scroll_clip_layer_; | 663 LayerImpl* scroll_clip_layer_; |
677 bool scrollable_ : 1; | 664 bool scrollable_ : 1; |
678 bool should_scroll_on_main_thread_ : 1; | 665 bool should_scroll_on_main_thread_ : 1; |
679 bool have_wheel_event_handlers_ : 1; | 666 bool have_wheel_event_handlers_ : 1; |
680 bool have_scroll_event_handlers_ : 1; | 667 bool have_scroll_event_handlers_ : 1; |
681 | 668 |
682 static_assert(SCROLL_BLOCKS_ON_MAX < (1 << 3), "ScrollBlocksOn too big"); | 669 static_assert(SCROLL_BLOCKS_ON_MAX < (1 << 3), "ScrollBlocksOn too big"); |
683 ScrollBlocksOn scroll_blocks_on_ : 3; | 670 ScrollBlocksOn scroll_blocks_on_ : 3; |
684 | 671 |
685 bool user_scrollable_horizontal_ : 1; | 672 bool user_scrollable_horizontal_ : 1; |
(...skipping 88 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
774 | 761 |
775 std::vector<FrameTimingRequest> frame_timing_requests_; | 762 std::vector<FrameTimingRequest> frame_timing_requests_; |
776 bool frame_timing_requests_dirty_; | 763 bool frame_timing_requests_dirty_; |
777 | 764 |
778 DISALLOW_COPY_AND_ASSIGN(LayerImpl); | 765 DISALLOW_COPY_AND_ASSIGN(LayerImpl); |
779 }; | 766 }; |
780 | 767 |
781 } // namespace cc | 768 } // namespace cc |
782 | 769 |
783 #endif // CC_LAYERS_LAYER_IMPL_H_ | 770 #endif // CC_LAYERS_LAYER_IMPL_H_ |
OLD | NEW |