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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/memory/ptr_util.h"
#include "base/trace_event/trace_event_argument.h"
#include "cc/base/math_util.h"
#include "cc/layers/layer.h"
#include "cc/trees/clip_node.h"
#include "cc/trees/property_tree.h"
namespace cc {
ClipNode::ClipNode()
: id(ClipTree::kInvalidNodeId),
parent_id(ClipTree::kInvalidNodeId),
owning_layer_id(Layer::INVALID_ID),
clip_type(ClipType::NONE),
transform_id(TransformTree::kInvalidNodeId),
target_transform_id(TransformTree::kInvalidNodeId),
target_effect_id(EffectTree::kInvalidNodeId),
layer_clipping_uses_only_local_clip(false),
layers_are_clipped(false),
layers_are_clipped_when_surfaces_disabled(false),
resets_clip(false) {}
ClipNode::ClipNode(const ClipNode& other)
: id(other.id),
parent_id(other.parent_id),
owning_layer_id(other.owning_layer_id),
clip_type(other.clip_type),
clip(other.clip),
combined_clip_in_target_space(other.combined_clip_in_target_space),
clip_in_target_space(other.clip_in_target_space),
transform_id(other.transform_id),
target_transform_id(other.target_transform_id),
target_effect_id(other.target_effect_id),
layer_clipping_uses_only_local_clip(
other.layer_clipping_uses_only_local_clip),
layers_are_clipped(other.layers_are_clipped),
layers_are_clipped_when_surfaces_disabled(
other.layers_are_clipped_when_surfaces_disabled),
resets_clip(other.resets_clip) {
if (other.clip_expander) {
DCHECK_EQ(clip_type, ClipType::EXPANDS_CLIP);
clip_expander = base::MakeUnique<ClipExpander>(*other.clip_expander);
}
}
ClipNode& ClipNode::operator=(const ClipNode& other) {
id = other.id;
parent_id = other.parent_id;
owning_layer_id = other.owning_layer_id;
clip_type = other.clip_type;
clip = other.clip;
combined_clip_in_target_space = other.combined_clip_in_target_space;
clip_in_target_space = other.clip_in_target_space;
transform_id = other.transform_id;
target_transform_id = other.target_transform_id;
target_effect_id = other.target_effect_id;
layer_clipping_uses_only_local_clip =
other.layer_clipping_uses_only_local_clip;
layers_are_clipped = other.layers_are_clipped;
layers_are_clipped_when_surfaces_disabled =
other.layers_are_clipped_when_surfaces_disabled;
resets_clip = other.resets_clip;
if (other.clip_expander) {
DCHECK_EQ(clip_type, ClipType::EXPANDS_CLIP);
clip_expander = base::MakeUnique<ClipExpander>(*other.clip_expander);
} else {
clip_expander.reset();
}
return *this;
}
ClipNode::~ClipNode() {}
bool ClipNode::operator==(const ClipNode& other) const {
if (clip_expander && other.clip_expander &&
*clip_expander != *other.clip_expander)
return false;
if ((clip_expander && !other.clip_expander) ||
(!clip_expander && other.clip_expander))
return false;
return id == other.id && parent_id == other.parent_id &&
owning_layer_id == other.owning_layer_id &&
clip_type == other.clip_type && clip == other.clip &&
combined_clip_in_target_space == other.combined_clip_in_target_space &&
clip_in_target_space == other.clip_in_target_space &&
transform_id == other.transform_id &&
target_transform_id == other.target_transform_id &&
target_effect_id == other.target_effect_id &&
layer_clipping_uses_only_local_clip ==
other.layer_clipping_uses_only_local_clip &&
layers_are_clipped == other.layers_are_clipped &&
layers_are_clipped_when_surfaces_disabled ==
other.layers_are_clipped_when_surfaces_disabled &&
resets_clip == other.resets_clip;
}
void ClipNode::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->SetInteger("clip_type", static_cast<int>(clip_type));
MathUtil::AddToTracedValue("clip", clip, value);
value->SetInteger("transform_id", transform_id);
value->SetInteger("target_transform_id", target_transform_id);
value->SetInteger("target_effect_id", target_effect_id);
value->SetBoolean("layer_clipping_uses_only_local_clip",
layer_clipping_uses_only_local_clip);
value->SetBoolean("layers_are_clipped", layers_are_clipped);
value->SetBoolean("layers_are_clipped_when_surfaces_disabled",
layers_are_clipped_when_surfaces_disabled);
value->SetBoolean("resets_clip", resets_clip);
}
} // namespace cc
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