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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 #include "cc/layers/layer.h" | 5 #include "cc/layers/layer.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <algorithm> | 10 #include <algorithm> |
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63 num_descendants_that_draw_content_(0), | 63 num_descendants_that_draw_content_(0), |
64 transform_tree_index_(-1), | 64 transform_tree_index_(-1), |
65 effect_tree_index_(-1), | 65 effect_tree_index_(-1), |
66 clip_tree_index_(-1), | 66 clip_tree_index_(-1), |
67 property_tree_sequence_number_(-1), | 67 property_tree_sequence_number_(-1), |
68 element_id_(0), | 68 element_id_(0), |
69 mutable_properties_(MutableProperty::kNone), | 69 mutable_properties_(MutableProperty::kNone), |
70 main_thread_scrolling_reasons_( | 70 main_thread_scrolling_reasons_( |
71 MainThreadScrollingReason::kNotScrollingOnMain), | 71 MainThreadScrollingReason::kNotScrollingOnMain), |
72 should_flatten_transform_from_property_tree_(false), | 72 should_flatten_transform_from_property_tree_(false), |
73 have_wheel_event_handlers_(false), | |
74 have_scroll_event_handlers_(false), | 73 have_scroll_event_handlers_(false), |
75 user_scrollable_horizontal_(true), | 74 user_scrollable_horizontal_(true), |
76 user_scrollable_vertical_(true), | 75 user_scrollable_vertical_(true), |
77 is_root_for_isolated_group_(false), | 76 is_root_for_isolated_group_(false), |
78 is_container_for_fixed_position_layers_(false), | 77 is_container_for_fixed_position_layers_(false), |
79 is_drawable_(false), | 78 is_drawable_(false), |
80 draws_content_(false), | 79 draws_content_(false), |
81 hide_layer_and_subtree_(false), | 80 hide_layer_and_subtree_(false), |
82 masks_to_bounds_(false), | 81 masks_to_bounds_(false), |
83 contents_opaque_(false), | 82 contents_opaque_(false), |
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961 | 960 |
962 void Layer::ClearMainThreadScrollingReasons() { | 961 void Layer::ClearMainThreadScrollingReasons() { |
963 DCHECK(IsPropertyChangeAllowed()); | 962 DCHECK(IsPropertyChangeAllowed()); |
964 if (!main_thread_scrolling_reasons_) | 963 if (!main_thread_scrolling_reasons_) |
965 return; | 964 return; |
966 main_thread_scrolling_reasons_ = | 965 main_thread_scrolling_reasons_ = |
967 MainThreadScrollingReason::kNotScrollingOnMain; | 966 MainThreadScrollingReason::kNotScrollingOnMain; |
968 SetNeedsCommit(); | 967 SetNeedsCommit(); |
969 } | 968 } |
970 | 969 |
971 void Layer::SetHaveWheelEventHandlers(bool have_wheel_event_handlers) { | |
972 DCHECK(IsPropertyChangeAllowed()); | |
973 if (have_wheel_event_handlers_ == have_wheel_event_handlers) | |
974 return; | |
975 | |
976 have_wheel_event_handlers_ = have_wheel_event_handlers; | |
977 SetNeedsCommit(); | |
978 } | |
979 | |
980 void Layer::SetHaveScrollEventHandlers(bool have_scroll_event_handlers) { | 970 void Layer::SetHaveScrollEventHandlers(bool have_scroll_event_handlers) { |
981 DCHECK(IsPropertyChangeAllowed()); | 971 DCHECK(IsPropertyChangeAllowed()); |
982 if (have_scroll_event_handlers_ == have_scroll_event_handlers) | 972 if (have_scroll_event_handlers_ == have_scroll_event_handlers) |
983 return; | 973 return; |
984 have_scroll_event_handlers_ = have_scroll_event_handlers; | 974 have_scroll_event_handlers_ = have_scroll_event_handlers; |
985 SetNeedsCommit(); | 975 SetNeedsCommit(); |
986 } | 976 } |
987 | 977 |
988 void Layer::SetNonFastScrollableRegion(const Region& region) { | 978 void Layer::SetNonFastScrollableRegion(const Region& region) { |
989 DCHECK(IsPropertyChangeAllowed()); | 979 DCHECK(IsPropertyChangeAllowed()); |
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1203 layer->SetDrawsContent(DrawsContent()); | 1193 layer->SetDrawsContent(DrawsContent()); |
1204 layer->SetHideLayerAndSubtree(hide_layer_and_subtree_); | 1194 layer->SetHideLayerAndSubtree(hide_layer_and_subtree_); |
1205 layer->SetHasRenderSurface(has_render_surface_); | 1195 layer->SetHasRenderSurface(has_render_surface_); |
1206 layer->SetForceRenderSurface(force_render_surface_); | 1196 layer->SetForceRenderSurface(force_render_surface_); |
1207 if (!layer->FilterIsAnimatingOnImplOnly() && !FilterIsAnimating()) | 1197 if (!layer->FilterIsAnimatingOnImplOnly() && !FilterIsAnimating()) |
1208 layer->SetFilters(filters_); | 1198 layer->SetFilters(filters_); |
1209 DCHECK(!(FilterIsAnimating() && layer->FilterIsAnimatingOnImplOnly())); | 1199 DCHECK(!(FilterIsAnimating() && layer->FilterIsAnimatingOnImplOnly())); |
1210 layer->SetBackgroundFilters(background_filters()); | 1200 layer->SetBackgroundFilters(background_filters()); |
1211 layer->SetMasksToBounds(masks_to_bounds_); | 1201 layer->SetMasksToBounds(masks_to_bounds_); |
1212 layer->set_main_thread_scrolling_reasons(main_thread_scrolling_reasons_); | 1202 layer->set_main_thread_scrolling_reasons(main_thread_scrolling_reasons_); |
1213 layer->SetHaveWheelEventHandlers(have_wheel_event_handlers_); | |
1214 layer->SetHaveScrollEventHandlers(have_scroll_event_handlers_); | 1203 layer->SetHaveScrollEventHandlers(have_scroll_event_handlers_); |
1215 layer->SetNonFastScrollableRegion(non_fast_scrollable_region_); | 1204 layer->SetNonFastScrollableRegion(non_fast_scrollable_region_); |
1216 layer->SetTouchEventHandlerRegion(touch_event_handler_region_); | 1205 layer->SetTouchEventHandlerRegion(touch_event_handler_region_); |
1217 layer->SetScrollBlocksOn(scroll_blocks_on_); | 1206 layer->SetScrollBlocksOn(scroll_blocks_on_); |
1218 layer->SetContentsOpaque(contents_opaque_); | 1207 layer->SetContentsOpaque(contents_opaque_); |
1219 if (!layer->OpacityIsAnimatingOnImplOnly() && !OpacityIsAnimating()) | 1208 if (!layer->OpacityIsAnimatingOnImplOnly() && !OpacityIsAnimating()) |
1220 layer->SetOpacity(opacity_); | 1209 layer->SetOpacity(opacity_); |
1221 DCHECK(!(OpacityIsAnimating() && layer->OpacityIsAnimatingOnImplOnly())); | 1210 DCHECK(!(OpacityIsAnimating() && layer->OpacityIsAnimatingOnImplOnly())); |
1222 layer->SetBlendMode(blend_mode_); | 1211 layer->SetBlendMode(blend_mode_); |
1223 layer->SetIsRootForIsolatedGroup(is_root_for_isolated_group_); | 1212 layer->SetIsRootForIsolatedGroup(is_root_for_isolated_group_); |
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1474 base->set_double_sided(double_sided_); | 1463 base->set_double_sided(double_sided_); |
1475 base->set_draws_content(draws_content_); | 1464 base->set_draws_content(draws_content_); |
1476 base->set_hide_layer_and_subtree(hide_layer_and_subtree_); | 1465 base->set_hide_layer_and_subtree(hide_layer_and_subtree_); |
1477 base->set_has_render_surface(has_render_surface_); | 1466 base->set_has_render_surface(has_render_surface_); |
1478 | 1467 |
1479 // TODO(nyquist): Add support for serializing FilterOperations for | 1468 // TODO(nyquist): Add support for serializing FilterOperations for |
1480 // |filters_| and |background_filters_|. See crbug.com/541321. | 1469 // |filters_| and |background_filters_|. See crbug.com/541321. |
1481 | 1470 |
1482 base->set_masks_to_bounds(masks_to_bounds_); | 1471 base->set_masks_to_bounds(masks_to_bounds_); |
1483 base->set_main_thread_scrolling_reasons(main_thread_scrolling_reasons_); | 1472 base->set_main_thread_scrolling_reasons(main_thread_scrolling_reasons_); |
1484 base->set_have_wheel_event_handlers(have_wheel_event_handlers_); | |
1485 base->set_have_scroll_event_handlers(have_scroll_event_handlers_); | 1473 base->set_have_scroll_event_handlers(have_scroll_event_handlers_); |
1486 RegionToProto(non_fast_scrollable_region_, | 1474 RegionToProto(non_fast_scrollable_region_, |
1487 base->mutable_non_fast_scrollable_region()); | 1475 base->mutable_non_fast_scrollable_region()); |
1488 RegionToProto(touch_event_handler_region_, | 1476 RegionToProto(touch_event_handler_region_, |
1489 base->mutable_touch_event_handler_region()); | 1477 base->mutable_touch_event_handler_region()); |
1490 base->set_scroll_blocks_on(scroll_blocks_on_); | 1478 base->set_scroll_blocks_on(scroll_blocks_on_); |
1491 base->set_contents_opaque(contents_opaque_); | 1479 base->set_contents_opaque(contents_opaque_); |
1492 base->set_opacity(opacity_); | 1480 base->set_opacity(opacity_); |
1493 base->set_blend_mode(SkXfermodeModeToProto(blend_mode_)); | 1481 base->set_blend_mode(SkXfermodeModeToProto(blend_mode_)); |
1494 base->set_is_root_for_isolated_group(is_root_for_isolated_group_); | 1482 base->set_is_root_for_isolated_group(is_root_for_isolated_group_); |
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1560 effect_tree_index_ = base.effect_tree_index(); | 1548 effect_tree_index_ = base.effect_tree_index(); |
1561 clip_tree_index_ = base.clip_tree_index(); | 1549 clip_tree_index_ = base.clip_tree_index(); |
1562 offset_to_transform_parent_ = | 1550 offset_to_transform_parent_ = |
1563 ProtoToVector2dF(base.offset_to_transform_parent()); | 1551 ProtoToVector2dF(base.offset_to_transform_parent()); |
1564 double_sided_ = base.double_sided(); | 1552 double_sided_ = base.double_sided(); |
1565 draws_content_ = base.draws_content(); | 1553 draws_content_ = base.draws_content(); |
1566 hide_layer_and_subtree_ = base.hide_layer_and_subtree(); | 1554 hide_layer_and_subtree_ = base.hide_layer_and_subtree(); |
1567 has_render_surface_ = base.has_render_surface(); | 1555 has_render_surface_ = base.has_render_surface(); |
1568 masks_to_bounds_ = base.masks_to_bounds(); | 1556 masks_to_bounds_ = base.masks_to_bounds(); |
1569 main_thread_scrolling_reasons_ = base.main_thread_scrolling_reasons(); | 1557 main_thread_scrolling_reasons_ = base.main_thread_scrolling_reasons(); |
1570 have_wheel_event_handlers_ = base.have_wheel_event_handlers(); | |
1571 have_scroll_event_handlers_ = base.have_scroll_event_handlers(); | 1558 have_scroll_event_handlers_ = base.have_scroll_event_handlers(); |
1572 non_fast_scrollable_region_ = | 1559 non_fast_scrollable_region_ = |
1573 RegionFromProto(base.non_fast_scrollable_region()); | 1560 RegionFromProto(base.non_fast_scrollable_region()); |
1574 touch_event_handler_region_ = | 1561 touch_event_handler_region_ = |
1575 RegionFromProto(base.touch_event_handler_region()); | 1562 RegionFromProto(base.touch_event_handler_region()); |
1576 scroll_blocks_on_ = (ScrollBlocksOn)base.scroll_blocks_on(); | 1563 scroll_blocks_on_ = (ScrollBlocksOn)base.scroll_blocks_on(); |
1577 contents_opaque_ = base.contents_opaque(); | 1564 contents_opaque_ = base.contents_opaque(); |
1578 opacity_ = base.opacity(); | 1565 opacity_ = base.opacity(); |
1579 blend_mode_ = SkXfermodeModeFromProto(base.blend_mode()); | 1566 blend_mode_ = SkXfermodeModeFromProto(base.blend_mode()); |
1580 is_root_for_isolated_group_ = base.is_root_for_isolated_group(); | 1567 is_root_for_isolated_group_ = base.is_root_for_isolated_group(); |
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2032 this, layer_tree_host_->property_trees()->transform_tree); | 2019 this, layer_tree_host_->property_trees()->transform_tree); |
2033 } | 2020 } |
2034 | 2021 |
2035 gfx::Transform Layer::screen_space_transform() const { | 2022 gfx::Transform Layer::screen_space_transform() const { |
2036 DCHECK_NE(transform_tree_index_, -1); | 2023 DCHECK_NE(transform_tree_index_, -1); |
2037 return ScreenSpaceTransformFromPropertyTrees( | 2024 return ScreenSpaceTransformFromPropertyTrees( |
2038 this, layer_tree_host_->property_trees()->transform_tree); | 2025 this, layer_tree_host_->property_trees()->transform_tree); |
2039 } | 2026 } |
2040 | 2027 |
2041 } // namespace cc | 2028 } // namespace cc |
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