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// Copyright 2019 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 "cc/paint/element_id.h"
#include <inttypes.h>
#include <limits>
#include <ostream>
#include "base/strings/stringprintf.h"
#include "base/trace_event/traced_value.h"
#include "base/values.h"
namespace cc {
const ElementIdType ElementId::kInvalidElementId = 0;
ElementId LayerIdToElementIdForTesting(int layer_id) {
return ElementId(std::numeric_limits<int>::max() - layer_id);
}
void ElementId::AddToTracedValue(base::trace_event::TracedValue* res) const {
res->BeginDictionary("element_id");
res->SetInteger("id_", id_);
res->EndDictionary();
}
ElementIdType ElementId::GetInternalValue() const {
return id_;
}
std::string ElementId::ToString() const {
return base::StringPrintf("(%" PRIu64 ")", id_);
}
std::unique_ptr<base::Value> ElementId::AsValue() const {
std::unique_ptr<base::DictionaryValue> res(new base::DictionaryValue());
res->SetInteger("id_", id_);
return std::move(res);
}
size_t ElementIdHash::operator()(ElementId key) const {
return std::hash<int>()(key.id_);
}
std::ostream& operator<<(std::ostream& out, const ElementId& id) {
return out << id.ToString();
}
} // namespace cc
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