| // 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 "cc/trees/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 |