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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "cc/layers/layer_sticky_position_constraint.h" |
| 6 #include "cc/proto/gfx_conversions.h" |
| 7 #include "cc/proto/layer_sticky_position_constraint.pb.h" |
| 8 |
| 9 namespace cc { |
| 10 |
| 11 LayerStickyPositionConstraint::LayerStickyPositionConstraint() |
| 12 : is_sticky(false), |
| 13 is_anchored_left(false), |
| 14 is_anchored_right(false), |
| 15 is_anchored_top(false), |
| 16 is_anchored_bottom(false), |
| 17 left_offset(0.f), |
| 18 right_offset(0.f), |
| 19 top_offset(0.f), |
| 20 bottom_offset(0.f) {} |
| 21 |
| 22 LayerStickyPositionConstraint::LayerStickyPositionConstraint( |
| 23 const LayerStickyPositionConstraint& other) |
| 24 : is_sticky(other.is_sticky), |
| 25 is_anchored_left(other.is_anchored_left), |
| 26 is_anchored_right(other.is_anchored_right), |
| 27 is_anchored_top(other.is_anchored_top), |
| 28 is_anchored_bottom(other.is_anchored_bottom), |
| 29 left_offset(other.left_offset), |
| 30 right_offset(other.right_offset), |
| 31 top_offset(other.top_offset), |
| 32 bottom_offset(other.bottom_offset), |
| 33 scroll_container_relative_sticky_box_rect( |
| 34 other.scroll_container_relative_sticky_box_rect), |
| 35 scroll_container_relative_containing_block_rect( |
| 36 other.scroll_container_relative_containing_block_rect) {} |
| 37 |
| 38 void LayerStickyPositionConstraint::ToProtobuf( |
| 39 proto::LayerStickyPositionConstraint* proto) const { |
| 40 proto->set_is_sticky(is_sticky); |
| 41 proto->set_is_anchored_left(is_anchored_left); |
| 42 proto->set_is_anchored_right(is_anchored_right); |
| 43 proto->set_is_anchored_top(is_anchored_top); |
| 44 proto->set_is_anchored_bottom(is_anchored_bottom); |
| 45 proto->set_left_offset(left_offset); |
| 46 proto->set_right_offset(right_offset); |
| 47 proto->set_top_offset(top_offset); |
| 48 proto->set_bottom_offset(bottom_offset); |
| 49 RectToProto(scroll_container_relative_sticky_box_rect, |
| 50 proto->mutable_scroll_container_relative_sticky_box_rect()); |
| 51 RectToProto(scroll_container_relative_containing_block_rect, |
| 52 proto->mutable_scroll_container_relative_containing_block_rect()); |
| 53 } |
| 54 |
| 55 void LayerStickyPositionConstraint::FromProtobuf( |
| 56 const proto::LayerStickyPositionConstraint& proto) { |
| 57 is_sticky = proto.is_sticky(); |
| 58 is_anchored_left = proto.is_anchored_left(); |
| 59 is_anchored_right = proto.is_anchored_right(); |
| 60 is_anchored_top = proto.is_anchored_top(); |
| 61 is_anchored_bottom = proto.is_anchored_bottom(); |
| 62 left_offset = proto.left_offset(); |
| 63 right_offset = proto.right_offset(); |
| 64 top_offset = proto.top_offset(); |
| 65 bottom_offset = proto.bottom_offset(); |
| 66 scroll_container_relative_sticky_box_rect = |
| 67 ProtoToRect(proto.scroll_container_relative_sticky_box_rect()); |
| 68 scroll_container_relative_containing_block_rect = |
| 69 ProtoToRect(proto.scroll_container_relative_containing_block_rect()); |
| 70 } |
| 71 |
| 72 bool LayerStickyPositionConstraint::operator==( |
| 73 const LayerStickyPositionConstraint& other) const { |
| 74 if (!is_sticky && !other.is_sticky) |
| 75 return true; |
| 76 return is_sticky == other.is_sticky && |
| 77 is_anchored_left == other.is_anchored_left && |
| 78 is_anchored_right == other.is_anchored_right && |
| 79 is_anchored_top == other.is_anchored_top && |
| 80 is_anchored_bottom == other.is_anchored_bottom && |
| 81 left_offset == other.left_offset && |
| 82 right_offset == other.right_offset && top_offset == other.top_offset && |
| 83 bottom_offset == other.bottom_offset && |
| 84 scroll_container_relative_sticky_box_rect == |
| 85 other.scroll_container_relative_sticky_box_rect && |
| 86 scroll_container_relative_containing_block_rect == |
| 87 other.scroll_container_relative_containing_block_rect; |
| 88 } |
| 89 |
| 90 bool LayerStickyPositionConstraint::operator!=( |
| 91 const LayerStickyPositionConstraint& other) const { |
| 92 return !(*this == other); |
| 93 } |
| 94 |
| 95 } // namespace cc |
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Chromium Code Reviews
Issue 2251303003:
Implement position: sticky updates on compositor (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master