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Side by Side Diff: cc/layers/layer_impl.h

Issue 1577263004: Communicate whether passive event listeners exist to cc. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master_wheel_passive_listeners
Patch Set: Rebase Created 4 years, 11 months ago
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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 <stddef.h> 8 #include <stddef.h>
9 #include <stdint.h> 9 #include <stdint.h>
10 10
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493 void ApplySentScrollDeltasFromAbortedCommit(); 493 void ApplySentScrollDeltasFromAbortedCommit();
494 494
495 void set_main_thread_scrolling_reasons( 495 void set_main_thread_scrolling_reasons(
496 uint32_t main_thread_scrolling_reasons) { 496 uint32_t main_thread_scrolling_reasons) {
497 main_thread_scrolling_reasons_ = main_thread_scrolling_reasons; 497 main_thread_scrolling_reasons_ = main_thread_scrolling_reasons;
498 } 498 }
499 bool should_scroll_on_main_thread() const { 499 bool should_scroll_on_main_thread() const {
500 return !!main_thread_scrolling_reasons_; 500 return !!main_thread_scrolling_reasons_;
501 } 501 }
502 502
503 void SetHaveWheelEventHandlers(bool have_wheel_event_handlers) { 503 void SetWheelEventProperties(uint32_t wheel_event_properties) {
504 have_wheel_event_handlers_ = have_wheel_event_handlers; 504 wheel_event_properties_ = wheel_event_properties;
505 } 505 }
506 bool have_wheel_event_handlers() const { return have_wheel_event_handlers_; } 506 uint32_t wheel_event_properties() const { return wheel_event_properties_; }
507
508 void SetTouchEventProperties(uint32_t touch_event_properties) {
509 touch_event_properties_ = touch_event_properties;
510 }
511 uint32_t touch_event_properties() const { return touch_event_properties_; }
507 512
508 void SetHaveScrollEventHandlers(bool have_scroll_event_handlers) { 513 void SetHaveScrollEventHandlers(bool have_scroll_event_handlers) {
509 have_scroll_event_handlers_ = have_scroll_event_handlers; 514 have_scroll_event_handlers_ = have_scroll_event_handlers;
510 } 515 }
511 bool have_scroll_event_handlers() const { 516 bool have_scroll_event_handlers() const {
512 return have_scroll_event_handlers_; 517 return have_scroll_event_handlers_;
513 } 518 }
514 519
515 void SetNonFastScrollableRegion(const Region& region) { 520 void SetNonFastScrollableRegion(const Region& region) {
516 non_fast_scrollable_region_ = region; 521 non_fast_scrollable_region_ = region;
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768 scoped_refptr<SyncedScrollOffset> scroll_offset_; 773 scoped_refptr<SyncedScrollOffset> scroll_offset_;
769 gfx::Vector2dF bounds_delta_; 774 gfx::Vector2dF bounds_delta_;
770 775
771 // Properties synchronized from the associated Layer. 776 // Properties synchronized from the associated Layer.
772 gfx::Point3F transform_origin_; 777 gfx::Point3F transform_origin_;
773 gfx::Size bounds_; 778 gfx::Size bounds_;
774 int scroll_clip_layer_id_; 779 int scroll_clip_layer_id_;
775 780
776 gfx::Vector2dF offset_to_transform_parent_; 781 gfx::Vector2dF offset_to_transform_parent_;
777 uint32_t main_thread_scrolling_reasons_; 782 uint32_t main_thread_scrolling_reasons_;
778 bool have_wheel_event_handlers_ : 1;
779 bool have_scroll_event_handlers_ : 1; 783 bool have_scroll_event_handlers_ : 1;
780 784
781 static_assert(SCROLL_BLOCKS_ON_MAX < (1 << 3), "ScrollBlocksOn too big"); 785 static_assert(SCROLL_BLOCKS_ON_MAX < (1 << 3), "ScrollBlocksOn too big");
782 ScrollBlocksOn scroll_blocks_on_ : 3; 786 ScrollBlocksOn scroll_blocks_on_ : 3;
783 787
784 bool user_scrollable_horizontal_ : 1; 788 bool user_scrollable_horizontal_ : 1;
785 bool user_scrollable_vertical_ : 1; 789 bool user_scrollable_vertical_ : 1;
786 bool stacking_order_changed_ : 1; 790 bool stacking_order_changed_ : 1;
787 // Whether the "back" of this layer should draw. 791 // Whether the "back" of this layer should draw.
788 bool double_sided_ : 1; 792 bool double_sided_ : 1;
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804 808
805 // Set for the layer that other layers are fixed to. 809 // Set for the layer that other layers are fixed to.
806 bool is_container_for_fixed_position_layers_ : 1; 810 bool is_container_for_fixed_position_layers_ : 1;
807 811
808 bool is_affected_by_page_scale_ : 1; 812 bool is_affected_by_page_scale_ : 1;
809 813
810 // This is true if and only if the layer was ever ready since it last animated 814 // This is true if and only if the layer was ever ready since it last animated
811 // (all content was complete). 815 // (all content was complete).
812 bool was_ever_ready_since_last_transform_animation_ : 1; 816 bool was_ever_ready_since_last_transform_animation_ : 1;
813 817
818 uint32_t touch_event_properties_;
819 uint32_t wheel_event_properties_;
820
814 Region non_fast_scrollable_region_; 821 Region non_fast_scrollable_region_;
815 Region touch_event_handler_region_; 822 Region touch_event_handler_region_;
816 SkColor background_color_; 823 SkColor background_color_;
817 824
818 float opacity_; 825 float opacity_;
819 SkXfermode::Mode blend_mode_; 826 SkXfermode::Mode blend_mode_;
820 // draw_blend_mode may be different than blend_mode_, 827 // draw_blend_mode may be different than blend_mode_,
821 // when a RenderSurface re-parents the layer's blend_mode. 828 // when a RenderSurface re-parents the layer's blend_mode.
822 SkXfermode::Mode draw_blend_mode_; 829 SkXfermode::Mode draw_blend_mode_;
823 gfx::PointF position_; 830 gfx::PointF position_;
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896 bool layer_or_descendant_has_input_handler_; 903 bool layer_or_descendant_has_input_handler_;
897 bool sorted_for_recursion_; 904 bool sorted_for_recursion_;
898 bool is_hidden_from_property_trees_; 905 bool is_hidden_from_property_trees_;
899 906
900 DISALLOW_COPY_AND_ASSIGN(LayerImpl); 907 DISALLOW_COPY_AND_ASSIGN(LayerImpl);
901 }; 908 };
902 909
903 } // namespace cc 910 } // namespace cc
904 911
905 #endif // CC_LAYERS_LAYER_IMPL_H_ 912 #endif // CC_LAYERS_LAYER_IMPL_H_
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