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// Copyright 2022 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/audio/floss_media_client.h"
#include <stdint.h>
#include "base/memory/raw_ptr.h"
#include "chromeos/ash/components/dbus/audio/fake_floss_media_client.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_path.h"
#include "dbus/object_proxy.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace ash {
namespace {
const char kFlossServiceName[] = "org.chromium.bluetooth";
const char kFlossMediaInterface[] = "org.chromium.bluetooth.BluetoothMedia";
FlossMediaClient* g_instance = nullptr;
// The FlossMediaClient implementation used in production.
class FlossMediaClientImpl : public FlossMediaClient {
public:
explicit FlossMediaClientImpl(dbus::Bus* bus,
const dbus::ObjectPath& object_path) {
floss_media_proxy_ = bus->GetObjectProxy(kFlossServiceName, object_path);
}
FlossMediaClientImpl(const FlossMediaClientImpl&) = delete;
FlossMediaClientImpl& operator=(const FlossMediaClientImpl&) = delete;
~FlossMediaClientImpl() override = default;
void SetPlayerPlaybackStatus(const std::string& playback_status) override {
dbus::MethodCall method_call(kFlossMediaInterface,
cras::kSetPlayerPlaybackStatus);
dbus::MessageWriter writer(&method_call);
writer.AppendString(playback_status);
floss_media_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
void SetPlayerIdentity(const std::string& identity) override {
dbus::MethodCall method_call(kFlossMediaInterface,
cras::kSetPlayerIdentity);
dbus::MessageWriter writer(&method_call);
writer.AppendString(identity);
floss_media_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
void SetPlayerPosition(const int64_t& position) override {
dbus::MethodCall method_call(kFlossMediaInterface,
cras::kSetPlayerPosition);
dbus::MessageWriter writer(&method_call);
writer.AppendInt64(position);
floss_media_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
void SetPlayerDuration(const int64_t& duration) override {
dbus::MethodCall method_call(kFlossMediaInterface,
cras::kSetPlayerMetadata);
dbus::MessageWriter writer(&method_call);
dbus::MessageWriter array_writer(nullptr);
dbus::MessageWriter dict_entry_writer(nullptr);
writer.OpenArray("{sv}", &array_writer);
array_writer.OpenDictEntry(&dict_entry_writer);
dict_entry_writer.AppendString("length");
dict_entry_writer.AppendVariantOfInt64(duration);
array_writer.CloseContainer(&dict_entry_writer);
writer.CloseContainer(&array_writer);
floss_media_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
void SetPlayerMetadata(
const std::map<std::string, std::string>& metadata) override {
dbus::MethodCall method_call(kFlossMediaInterface,
cras::kSetPlayerMetadata);
dbus::MessageWriter writer(&method_call);
dbus::MessageWriter array_writer(nullptr);
dbus::MessageWriter dict_entry_writer(nullptr);
writer.OpenArray("{sv}", &array_writer);
for (auto& it : metadata) {
array_writer.OpenDictEntry(&dict_entry_writer);
dict_entry_writer.AppendString(it.first);
dict_entry_writer.AppendVariantOfString(it.second);
array_writer.CloseContainer(&dict_entry_writer);
}
writer.CloseContainer(&array_writer);
floss_media_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
private:
raw_ptr<dbus::ObjectProxy> floss_media_proxy_ = nullptr;
// Note: This should remain the last member so it'll be destroyed and
// invalidate its weak pointers before any other members are destroyed.
base::WeakPtrFactory<FlossMediaClientImpl> weak_ptr_factory_{this};
};
} // namespace
FlossMediaClient::FlossMediaClient() {
DCHECK(!g_instance);
g_instance = this;
}
FlossMediaClient::~FlossMediaClient() {
DCHECK_EQ(this, g_instance);
g_instance = nullptr;
}
// static
void FlossMediaClient::Initialize(dbus::Bus* bus,
const dbus::ObjectPath& object_path) {
DCHECK(bus);
new FlossMediaClientImpl(bus, object_path);
}
// static
void FlossMediaClient::InitializeFake() {
new FakeFlossMediaClient();
}
// static
void FlossMediaClient::Shutdown() {
delete g_instance;
}
// static
FlossMediaClient* FlossMediaClient::Get() {
return g_instance;
}
} // namespace ash
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