cc/layers/layer_sticky_position_constraint.cc - Issue 2733633002: Handle nested position:sticky elements correctly (compositor)

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Unified Diff: cc/layers/layer_sticky_position_constraint.cc

Issue 2733633002: Handle nested position:sticky elements correctly (compositor) (Closed)

Patch Set: Add comment referencing crbug.com/702229 Created 3 years, 9 months ago

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« cc/layers/layer_sticky_position_constraint.h ('K') | « cc/layers/layer_sticky_position_constraint.h ('k') | cc/trees/layer_tree_host_common_unittest.cc » ('j') | cc/trees/property_tree.cc » ('J')
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Index: cc/layers/layer_sticky_position_constraint.cc

diff --git a/cc/layers/layer_sticky_position_constraint.cc b/cc/layers/layer_sticky_position_constraint.cc

index 79414d6a8775daeb4d3a0a67a9b4717cdb61432e..fa6e668af7fc8f702c7b8a8cd46db1c56c32e03d 100644

--- a/cc/layers/layer_sticky_position_constraint.cc

+++ b/cc/layers/layer_sticky_position_constraint.cc

@@ -15,7 +15,9 @@ LayerStickyPositionConstraint::LayerStickyPositionConstraint()

left_offset(0.f),

right_offset(0.f),

top_offset(0.f),

- bottom_offset(0.f) {}

+ bottom_offset(0.f),

+ nearest_layer_shifting_sticky_box(-1),

+ nearest_layer_shifting_containing_block(-1) {}

LayerStickyPositionConstraint::LayerStickyPositionConstraint(

const LayerStickyPositionConstraint& other)

@@ -33,7 +35,14 @@ LayerStickyPositionConstraint::LayerStickyPositionConstraint(

scroll_container_relative_sticky_box_rect(

other.scroll_container_relative_sticky_box_rect),

scroll_container_relative_containing_block_rect(

- other.scroll_container_relative_containing_block_rect) {}

+ other.scroll_container_relative_containing_block_rect),

+ nearest_layer_shifting_sticky_box(

+ other.nearest_layer_shifting_sticky_box),

+ nearest_layer_shifting_containing_block(

+ other.nearest_layer_shifting_containing_block),

+ total_sticky_box_sticky_offset(other.total_sticky_box_sticky_offset),

+ total_containing_block_sticky_offset(

+ other.total_containing_block_sticky_offset) {}

bool LayerStickyPositionConstraint::operator==(

const LayerStickyPositionConstraint& other) const {

@@ -52,7 +61,15 @@ bool LayerStickyPositionConstraint::operator==(

scroll_container_relative_sticky_box_rect ==

other.scroll_container_relative_sticky_box_rect &&

scroll_container_relative_containing_block_rect ==

- other.scroll_container_relative_containing_block_rect;

+ other.scroll_container_relative_containing_block_rect &&

+ nearest_layer_shifting_sticky_box ==

+ other.nearest_layer_shifting_sticky_box &&

+ nearest_layer_shifting_containing_block ==

+ other.nearest_layer_shifting_containing_block &&

+ total_sticky_box_sticky_offset ==

+ other.total_sticky_box_sticky_offset &&

+ total_containing_block_sticky_offset ==

+ other.total_containing_block_sticky_offset;

}

bool LayerStickyPositionConstraint::operator!=(