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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/chromeos/extensions/telemetry/api/events/fake_events_service.h"
#include <tuple>
#include <utility>
#include "base/functional/callback.h"
#include "base/location.h"
#include "base/task/sequenced_task_runner.h"
#include "base/test/bind.h"
#include "chromeos/crosapi/mojom/telemetry_event_service.mojom.h"
#include "chromeos/crosapi/mojom/telemetry_extension_exception.mojom.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote_set.h"
namespace chromeos {
namespace {
namespace crosapi = ::crosapi::mojom;
} // namespace
FakeEventsService::FakeEventsService() = default;
FakeEventsService::~FakeEventsService() = default;
void FakeEventsService::BindPendingReceiver(
mojo::PendingReceiver<crosapi::TelemetryEventService> receiver) {
receiver_.Bind(std::move(receiver));
}
mojo::PendingRemote<crosapi::TelemetryEventService>
FakeEventsService::BindNewPipeAndPassRemote() {
return receiver_.BindNewPipeAndPassRemote();
}
void FakeEventsService::AddEventObserver(
crosapi::TelemetryEventCategoryEnum category,
mojo::PendingRemote<crosapi::TelemetryEventObserver> observer) {
auto it = event_observers_.find(category);
if (it == event_observers_.end()) {
it = event_observers_.emplace_hint(it, std::piecewise_construct,
std::forward_as_tuple(category),
std::forward_as_tuple());
}
it->second.Add(std::move(observer));
// Register the call to on_subscription_change in case the connection is
// reset. SAFETY: We can pass `this` to the callback, since this can only be
// invoked on a connected ReceiverSet, which lives shorter than `this`.
it->second.set_disconnect_handler(
base::BindLambdaForTesting([this](mojo::RemoteSetElementId _) {
if (on_subscription_change_) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, std::move(on_subscription_change_));
}
}));
// Invoke the callback for on_subscription_change, since we added a
// subscription.
if (on_subscription_change_) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, std::move(on_subscription_change_));
}
}
void FakeEventsService::IsEventSupported(
crosapi::TelemetryEventCategoryEnum category,
IsEventSupportedCallback callback) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback),
is_event_supported_response_.Clone()));
}
void FakeEventsService::SetIsEventSupportedResponse(
crosapi::TelemetryExtensionSupportStatusPtr status) {
is_event_supported_response_.Swap(&status);
}
void FakeEventsService::EmitEventForCategory(
crosapi::TelemetryEventCategoryEnum category,
crosapi::TelemetryEventInfoPtr info) {
// Flush the receiver, so any pending observers are registered before the
// event is emitted.
if (receiver_.is_bound()) {
receiver_.FlushForTesting();
}
auto it = event_observers_.find(category);
if (it == event_observers_.end()) {
return;
}
for (auto& observer : it->second) {
observer->OnEvent(info.Clone());
}
}
mojo::RemoteSet<crosapi::TelemetryEventObserver>*
FakeEventsService::GetObserversByCategory(
crosapi::TelemetryEventCategoryEnum category) {
auto it = event_observers_.find(category);
if (it == event_observers_.end()) {
return nullptr;
}
return &it->second;
}
void FakeEventsService::SetOnSubscriptionChange(
base::RepeatingClosure callback) {
on_subscription_change_ = std::move(callback);
}
} // namespace chromeos
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