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

Issue 2769793002: Implement CSS: scroll-boundary-behavior (Closed)
Patch Set: Update promises tests and Scroll Manager Created 3 years, 5 months ago
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1 // Copyright 2012 The Chromium Authors. All rights reserved. 1 // Copyright 2012 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_impl.h" 5 #include "cc/layers/layer_impl.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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73 clip_tree_index_(ClipTree::kInvalidNodeId), 73 clip_tree_index_(ClipTree::kInvalidNodeId),
74 scroll_tree_index_(ScrollTree::kInvalidNodeId), 74 scroll_tree_index_(ScrollTree::kInvalidNodeId),
75 current_draw_mode_(DRAW_MODE_NONE), 75 current_draw_mode_(DRAW_MODE_NONE),
76 mutable_properties_(MutableProperty::kNone), 76 mutable_properties_(MutableProperty::kNone),
77 debug_info_(nullptr), 77 debug_info_(nullptr),
78 has_will_change_transform_hint_(false), 78 has_will_change_transform_hint_(false),
79 needs_push_properties_(false), 79 needs_push_properties_(false),
80 scrollbars_hidden_(false), 80 scrollbars_hidden_(false),
81 needs_show_scrollbars_(false), 81 needs_show_scrollbars_(false),
82 raster_even_if_not_drawn_(false), 82 raster_even_if_not_drawn_(false),
83 has_transform_node_(false) { 83 has_transform_node_(false),
84 scroll_boundary_behavior_(
85 ScrollBoundaryBehavior::kScrollBoundaryBehaviorTypeAuto) {
84 DCHECK_GT(layer_id_, 0); 86 DCHECK_GT(layer_id_, 0);
85 87
86 DCHECK(layer_tree_impl_); 88 DCHECK(layer_tree_impl_);
87 layer_tree_impl_->RegisterLayer(this); 89 layer_tree_impl_->RegisterLayer(this);
88 layer_tree_impl_->AddToElementMap(this); 90 layer_tree_impl_->AddToElementMap(this);
89 91
90 SetNeedsPushProperties(); 92 SetNeedsPushProperties();
91 } 93 }
92 94
93 LayerImpl::~LayerImpl() { 95 LayerImpl::~LayerImpl() {
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974 976
975 const bool has_valid_scroll_node = 977 const bool has_valid_scroll_node =
976 !!GetScrollTree().Node(scroll_tree_index()); 978 !!GetScrollTree().Node(scroll_tree_index());
977 DCHECK(has_valid_scroll_node); 979 DCHECK(has_valid_scroll_node);
978 980
979 return has_valid_transform_node && has_valid_effect_node && 981 return has_valid_transform_node && has_valid_effect_node &&
980 has_valid_clip_node && has_valid_scroll_node; 982 has_valid_clip_node && has_valid_scroll_node;
981 } 983 }
982 984
983 } // namespace cc 985 } // namespace cc
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