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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/dbus/arc/arc_obb_mounter_client.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/raw_ptr.h"
#include "chromeos/ash/components/dbus/arc/fake_arc_obb_mounter_client.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_proxy.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace ash {
namespace {
ArcObbMounterClient* g_instance = nullptr;
class ArcObbMounterClientImpl : public ArcObbMounterClient {
public:
ArcObbMounterClientImpl() {}
ArcObbMounterClientImpl(const ArcObbMounterClientImpl&) = delete;
ArcObbMounterClientImpl& operator=(const ArcObbMounterClientImpl&) = delete;
~ArcObbMounterClientImpl() override = default;
// ArcObbMounterClient override:
void MountObb(const std::string& obb_file,
const std::string& mount_path,
int32_t owner_gid,
chromeos::VoidDBusMethodCallback callback) override {
dbus::MethodCall method_call(arc::obb_mounter::kArcObbMounterInterface,
arc::obb_mounter::kMountObbMethod);
dbus::MessageWriter writer(&method_call);
writer.AppendString(obb_file);
writer.AppendString(mount_path);
writer.AppendInt32(owner_gid);
proxy_->CallMethod(
&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::BindOnce(&ArcObbMounterClientImpl::OnVoidDBusMethod,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
void UnmountObb(const std::string& mount_path,
chromeos::VoidDBusMethodCallback callback) override {
dbus::MethodCall method_call(arc::obb_mounter::kArcObbMounterInterface,
arc::obb_mounter::kUnmountObbMethod);
dbus::MessageWriter writer(&method_call);
writer.AppendString(mount_path);
proxy_->CallMethod(
&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::BindOnce(&ArcObbMounterClientImpl::OnVoidDBusMethod,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
// chromeos::DBusClient override.
void Init(dbus::Bus* bus) override {
proxy_ = bus->GetObjectProxy(
arc::obb_mounter::kArcObbMounterServiceName,
dbus::ObjectPath(arc::obb_mounter::kArcObbMounterServicePath));
}
private:
// Runs the callback with the method call result.
void OnVoidDBusMethod(chromeos::VoidDBusMethodCallback callback,
dbus::Response* response) {
std::move(callback).Run(response != nullptr);
}
raw_ptr<dbus::ObjectProxy> proxy_ = nullptr;
base::WeakPtrFactory<ArcObbMounterClientImpl> weak_ptr_factory_{this};
};
} // namespace
// static
ArcObbMounterClient* ArcObbMounterClient::Get() {
return g_instance;
}
// static
void ArcObbMounterClient::Initialize(dbus::Bus* bus) {
CHECK(bus);
(new ArcObbMounterClientImpl())->Init(bus);
}
// static
void ArcObbMounterClient::InitializeFake() {
(new FakeArcObbMounterClient())->Init(nullptr);
}
// static
void ArcObbMounterClient::Shutdown() {
CHECK(g_instance);
delete g_instance;
}
ArcObbMounterClient::ArcObbMounterClient() {
CHECK(!g_instance);
g_instance = this;
}
ArcObbMounterClient::~ArcObbMounterClient() {
CHECK_EQ(g_instance, this);
g_instance = nullptr;
}
} // namespace ash
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