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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.
#include "chrome/browser/ash/dbus/printers_service_provider.h"
#include "base/logging.h"
#include "chrome/browser/ash/printing/cups_printers_manager_factory.h"
#include "chrome/browser/ash/printing/cups_printers_manager_proxy.h"
#include "dbus/message.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace ash {
PrintersServiceProvider::PrintersServiceProvider() = default;
PrintersServiceProvider::~PrintersServiceProvider() = default;
void PrintersServiceProvider::Start(
scoped_refptr<dbus::ExportedObject> exported_object) {
exported_object_ = exported_object;
auto* proxy = CupsPrintersManagerFactory::GetInstance()->GetProxy();
DCHECK(proxy);
printers_manager_observation_.Observe(proxy);
}
void PrintersServiceProvider::OnPrintersChanged(
chromeos::PrinterClass printer_class,
const std::vector<chromeos::Printer>& /*printers*/) {
// Signal is suppressed for discovered printers because they require setup
// before being usable.
if (printer_class == chromeos::PrinterClass::kDiscovered) {
return;
}
DVLOG(1) << "Emitting printers changed DBus event";
EmitSignal();
}
void PrintersServiceProvider::EmitSignal() {
DCHECK(exported_object_);
dbus::Signal signal(chromeos::kPrintersServiceInterface,
chromeos::kPrintersServicePrintersChangedSignal);
exported_object_->SendSignal(&signal);
}
} // namespace ash
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