cc/layers/layer_sticky_position_constraint.cc - Issue 2636253002: Handle nested position:sticky elements

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Unified Diff: cc/layers/layer_sticky_position_constraint.cc

Issue 2636253002: Handle nested position:sticky elements (Closed)

Patch Set: First attempt at compositing side, does NOT work properly yet Created 3 years, 11 months ago

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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..b74478532601b5ca5a7730f34c931e5cac1b26d1 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_sticky_element_shifting_sticky_box(nullptr),

+ nearest_sticky_element_shifting_containing_block(nullptr) {}

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_sticky_element_shifting_sticky_box(

+ other.nearest_sticky_element_shifting_sticky_box),

+ nearest_sticky_element_shifting_containing_block(

+ other.nearest_sticky_element_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_sticky_element_shifting_sticky_box ==

+ other.nearest_sticky_element_shifting_sticky_box &&

+ nearest_sticky_element_shifting_containing_block ==

+ other.nearest_sticky_element_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!=(

« cc/blink/web_layer_impl.cc ('K') | « cc/layers/layer_sticky_position_constraint.h ('k') | cc/trees/property_tree.cc » ('j') | cc/trees/property_tree.cc » ('J')