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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_TIMING_EVENT_COUNTS_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_TIMING_EVENT_COUNTS_H_
#include "third_party/blink/renderer/bindings/core/v8/maplike.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_sync_iterator_event_counts.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string_hash.h"
namespace blink {
class EventCounts final : public ScriptWrappable, public Maplike<EventCounts> {
DEFINE_WRAPPERTYPEINFO();
public:
EventCounts();
const HashMap<AtomicString, uint64_t>& Map() const {
return event_count_map_;
}
// IDL attributes / methods
wtf_size_t size() const { return event_count_map_.size(); }
void Add(const AtomicString& event_type);
// Add multiple events with the same event type.
void AddMultipleEvents(const AtomicString& event_type, uint64_t count);
void Trace(Visitor* visitor) const override {
ScriptWrappable::Trace(visitor);
}
private:
// Maplike implementation.
PairSyncIterable<EventCounts>::IterationSource* CreateIterationSource(
ScriptState*) override;
bool GetMapEntry(ScriptState*, const String& key, uint64_t& value) override;
HashMap<AtomicString, uint64_t> event_count_map_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_TIMING_EVENT_COUNTS_H_
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