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// Copyright 2017 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.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_AUDIO_PARAM_MAP_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBAUDIO_AUDIO_PARAM_MAP_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/modules/webaudio/audio_param.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/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class AudioParam;
class AudioParamMap final : public ScriptWrappable,
public Maplike<String, AudioParam*> {
DEFINE_WRAPPERTYPEINFO();
public:
using MapType = HeapHashMap<String, Member<AudioParam>>;
explicit AudioParamMap(const MapType& parameter_map);
// IDL attributes / methods
uint32_t size() const { return parameter_map_.size(); }
const MapType& GetHashMap() const { return parameter_map_; }
void Trace(Visitor* visitor) const override {
visitor->Trace(parameter_map_);
ScriptWrappable::Trace(visitor);
}
private:
PairIterable<String, AudioParam*>::IterationSource* StartIteration(
ScriptState*,
ExceptionState&) override;
bool GetMapEntry(ScriptState*,
const String& key,
AudioParam*&,
ExceptionState&) override;
const MapType parameter_map_;
};
} // namespace blink
#endif
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