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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_glean_GleanQuantity_h
#define mozilla_glean_GleanQuantity_h
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/glean/bindings/GleanMetric.h"
#include "nsTString.h"
#include "nsIScriptError.h"
namespace mozilla::glean {
namespace impl {
class QuantityMetric {
public:
constexpr explicit QuantityMetric(uint32_t id) : mId(id) {}
/**
* Set to the specified value.
*
* @param aValue the value to set.
*/
void Set(int64_t aValue) const;
/**
* **Test-only API**
*
* Gets the currently stored value.
*
* This function will attempt to await the last parent-process task (if any)
* writing to the the metric's storage engine before returning a value.
* This function will not wait for data from child processes.
*
* This doesn't clear the stored value.
* Parent process only. Panics in child processes.
*
* @param aPingName The (optional) name of the ping to retrieve the metric
* for. Defaults to the first value in `send_in_pings`.
*
* @return value of the stored metric.
*/
Result<Maybe<int64_t>, nsCString> TestGetValue(
const nsACString& aPingName = nsCString()) const;
private:
const uint32_t mId;
};
} // namespace impl
class GleanQuantity final : public GleanMetric {
public:
explicit GleanQuantity(uint32_t id, nsISupports* aParent)
: GleanMetric(aParent), mQuantity(id) {}
virtual JSObject* WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override final;
void Set(int64_t aValue);
dom::Nullable<int64_t> TestGetValue(const nsACString& aPingName,
ErrorResult& aRv);
private:
virtual ~GleanQuantity() = default;
const impl::QuantityMetric mQuantity;
};
} // namespace mozilla::glean
#endif /* mozilla_glean_GleanQuantity.h */
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