| Index: cc/trees/scroll_node.cc
|
| diff --git a/cc/trees/scroll_node.cc b/cc/trees/scroll_node.cc
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..a20fe2f84f63995d928e55ad40741b4f459d626b
|
| --- /dev/null
|
| +++ b/cc/trees/scroll_node.cc
|
| @@ -0,0 +1,127 @@
|
| +// Copyright 2016 The Chromium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +
|
| +#include "base/trace_event/trace_event_argument.h"
|
| +#include "cc/animation/element_id.h"
|
| +#include "cc/base/math_util.h"
|
| +#include "cc/input/main_thread_scrolling_reason.h"
|
| +#include "cc/proto/gfx_conversions.h"
|
| +#include "cc/proto/property_tree.pb.h"
|
| +#include "cc/trees/scroll_node.h"
|
| +
|
| +namespace cc {
|
| +
|
| +ScrollNode::ScrollNode()
|
| + : id(-1),
|
| + parent_id(-1),
|
| + owner_id(-1),
|
| + scrollable(false),
|
| + main_thread_scrolling_reasons(
|
| + MainThreadScrollingReason::kNotScrollingOnMain),
|
| + contains_non_fast_scrollable_region(false),
|
| + max_scroll_offset_affected_by_page_scale(false),
|
| + is_inner_viewport_scroll_layer(false),
|
| + is_outer_viewport_scroll_layer(false),
|
| + should_flatten(false),
|
| + user_scrollable_horizontal(false),
|
| + user_scrollable_vertical(false),
|
| + transform_id(0),
|
| + num_drawn_descendants(0) {}
|
| +
|
| +ScrollNode::ScrollNode(const ScrollNode& other) = default;
|
| +
|
| +bool ScrollNode::operator==(const ScrollNode& other) const {
|
| + return id == other.id && parent_id == other.parent_id &&
|
| + owner_id == other.owner_id && scrollable == other.scrollable &&
|
| + main_thread_scrolling_reasons == other.main_thread_scrolling_reasons &&
|
| + contains_non_fast_scrollable_region ==
|
| + other.contains_non_fast_scrollable_region &&
|
| + scroll_clip_layer_bounds == other.scroll_clip_layer_bounds &&
|
| + bounds == other.bounds &&
|
| + max_scroll_offset_affected_by_page_scale ==
|
| + other.max_scroll_offset_affected_by_page_scale &&
|
| + is_inner_viewport_scroll_layer ==
|
| + other.is_inner_viewport_scroll_layer &&
|
| + is_outer_viewport_scroll_layer ==
|
| + other.is_outer_viewport_scroll_layer &&
|
| + offset_to_transform_parent == other.offset_to_transform_parent &&
|
| + should_flatten == other.should_flatten &&
|
| + user_scrollable_horizontal == other.user_scrollable_horizontal &&
|
| + user_scrollable_vertical == other.user_scrollable_vertical &&
|
| + element_id == other.element_id && transform_id == other.transform_id;
|
| +}
|
| +
|
| +void ScrollNode::ToProtobuf(proto::TreeNode* proto) const {
|
| + proto->set_id(id);
|
| + proto->set_parent_id(parent_id);
|
| + proto->set_owner_id(owner_id);
|
| +
|
| + DCHECK(!proto->has_scroll_node_data());
|
| + proto::ScrollNodeData* data = proto->mutable_scroll_node_data();
|
| + data->set_scrollable(scrollable);
|
| + data->set_main_thread_scrolling_reasons(main_thread_scrolling_reasons);
|
| + data->set_contains_non_fast_scrollable_region(
|
| + contains_non_fast_scrollable_region);
|
| + SizeToProto(scroll_clip_layer_bounds,
|
| + data->mutable_scroll_clip_layer_bounds());
|
| + SizeToProto(bounds, data->mutable_bounds());
|
| + data->set_max_scroll_offset_affected_by_page_scale(
|
| + max_scroll_offset_affected_by_page_scale);
|
| + data->set_is_inner_viewport_scroll_layer(is_inner_viewport_scroll_layer);
|
| + data->set_is_outer_viewport_scroll_layer(is_outer_viewport_scroll_layer);
|
| + Vector2dFToProto(offset_to_transform_parent,
|
| + data->mutable_offset_to_transform_parent());
|
| + data->set_should_flatten(should_flatten);
|
| + data->set_user_scrollable_horizontal(user_scrollable_horizontal);
|
| + data->set_user_scrollable_vertical(user_scrollable_vertical);
|
| + element_id.ToProtobuf(data->mutable_element_id());
|
| + data->set_transform_id(transform_id);
|
| +}
|
| +
|
| +void ScrollNode::FromProtobuf(const proto::TreeNode& proto) {
|
| + id = proto.id();
|
| + parent_id = proto.parent_id();
|
| + owner_id = proto.owner_id();
|
| +
|
| + DCHECK(proto.has_scroll_node_data());
|
| + const proto::ScrollNodeData& data = proto.scroll_node_data();
|
| +
|
| + scrollable = data.scrollable();
|
| + main_thread_scrolling_reasons = data.main_thread_scrolling_reasons();
|
| + contains_non_fast_scrollable_region =
|
| + data.contains_non_fast_scrollable_region();
|
| + scroll_clip_layer_bounds = ProtoToSize(data.scroll_clip_layer_bounds());
|
| + bounds = ProtoToSize(data.bounds());
|
| + max_scroll_offset_affected_by_page_scale =
|
| + data.max_scroll_offset_affected_by_page_scale();
|
| + is_inner_viewport_scroll_layer = data.is_inner_viewport_scroll_layer();
|
| + is_outer_viewport_scroll_layer = data.is_outer_viewport_scroll_layer();
|
| + offset_to_transform_parent =
|
| + ProtoToVector2dF(data.offset_to_transform_parent());
|
| + should_flatten = data.should_flatten();
|
| + user_scrollable_horizontal = data.user_scrollable_horizontal();
|
| + user_scrollable_vertical = data.user_scrollable_vertical();
|
| + element_id.FromProtobuf(data.element_id());
|
| + transform_id = data.transform_id();
|
| +}
|
| +
|
| +void ScrollNode::AsValueInto(base::trace_event::TracedValue* value) const {
|
| + value->SetInteger("id", id);
|
| + value->SetInteger("parent_id", parent_id);
|
| + value->SetInteger("owner_id", owner_id);
|
| + value->SetBoolean("scrollable", scrollable);
|
| + MathUtil::AddToTracedValue("scroll_clip_layer_bounds",
|
| + scroll_clip_layer_bounds, value);
|
| + MathUtil::AddToTracedValue("bounds", bounds, value);
|
| + MathUtil::AddToTracedValue("offset_to_transform_parent",
|
| + offset_to_transform_parent, value);
|
| + value->SetBoolean("should_flatten", should_flatten);
|
| + value->SetBoolean("user_scrollable_horizontal", user_scrollable_horizontal);
|
| + value->SetBoolean("user_scrollable_vertical", user_scrollable_vertical);
|
| +
|
| + element_id.AddToTracedValue(value);
|
| + value->SetInteger("transform_id", transform_id);
|
| +}
|
| +
|
| +} // namespace cc
|
|
|