/* 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_GleanCounter_h
#define mozilla_glean_GleanCounter_h
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/glean/bindings/CounterStandalone.h"
#include "mozilla/glean/bindings/GleanMetric.h"
#include "mozilla/Maybe.h"
#include "mozilla/Result.h"
#include "nsString.h"
namespace mozilla::glean {
namespace impl {
template <CounterType C = CounterType::eBaseOrLabeled>
class CounterMetric : public CounterStandalone<C> {
public:
constexpr
explicit CounterMetric(uint32_t aId) : CounterStandalone<C>(aId) {}
/**
* **Test-only API**
*
* Gets the currently stored value as an integer.
*
* 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, or Nothing() if there is no value.
*/
Result<Maybe<int32_t>, nsCString> TestGetValue(
const nsACString& aPingName = nsCString())
const;
};
}
// namespace impl
class GleanCounter final : public GleanMetric {
public:
explicit GleanCounter(
uint32_t id, nsISupports* aParent,
impl::CounterType aType = impl::CounterType::eBaseOrLabeled)
: GleanMetric(aParent), mId(id), mType(aType) {}
virtual JSObject* WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override final;
void Add(int32_t aAmount);
dom::Nullable<int32_t> TestGetValue(
const nsACString& aPingName,
ErrorResult& aRv);
private:
virtual ~GleanCounter() =
default;
const uint32_t mId;
const impl::CounterType mType;
};
}
// namespace mozilla::glean
#endif /* mozilla_glean_GleanCounter_h */