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// 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/base/math_util.h"
#include "cc/input/main_thread_scrolling_reason.h"
#include "cc/layers/layer.h"
#include "cc/trees/element_id.h"
#include "cc/trees/property_tree.h"
#include "cc/trees/scroll_node.h"
namespace cc {
ScrollNode::ScrollNode()
: id(ScrollTree::kInvalidNodeId),
parent_id(ScrollTree::kInvalidNodeId),
owning_layer_id(Layer::INVALID_ID),
scrollable(false),
main_thread_scrolling_reasons(
MainThreadScrollingReason::kNotScrollingOnMain),
max_scroll_offset_affected_by_page_scale(false),
scrolls_inner_viewport(false),
scrolls_outer_viewport(false),
should_flatten(false),
user_scrollable_horizontal(false),
user_scrollable_vertical(false),
transform_id(0) {}
ScrollNode::ScrollNode(const ScrollNode& other) = default;
bool ScrollNode::operator==(const ScrollNode& other) const {
return id == other.id && parent_id == other.parent_id &&
owning_layer_id == other.owning_layer_id &&
scrollable == other.scrollable &&
main_thread_scrolling_reasons == other.main_thread_scrolling_reasons &&
non_fast_scrollable_region == other.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 &&
scrolls_inner_viewport == other.scrolls_inner_viewport &&
scrolls_outer_viewport == other.scrolls_outer_viewport &&
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::AsValueInto(base::trace_event::TracedValue* value) const {
value->SetInteger("id", id);
value->SetInteger("parent_id", parent_id);
value->SetInteger("owning_layer_id", owning_layer_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
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