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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/rgbkbd/rgbkbd_client.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/memory/raw_ptr.h"
#include "chromeos/ash/components/dbus/rgbkbd/fake_rgbkbd_client.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_proxy.h"
#include "third_party/cros_system_api/dbus/rgbkbd/dbus-constants.h"
namespace ash {
namespace {
RgbkbdClient* g_instance = nullptr;
class RgbkbdClientImpl : public RgbkbdClient {
public:
void Init(dbus::Bus* bus);
RgbkbdClientImpl() = default;
RgbkbdClientImpl(const RgbkbdClientImpl&) = delete;
RgbkbdClientImpl& operator=(const RgbkbdClientImpl&) = delete;
void GetRgbKeyboardCapabilities(
GetRgbKeyboardCapabilitiesCallback callback) override {
VLOG(1) << "rgbkbd: GetRgbKeyboardCapabilities called";
dbus::MethodCall method_call(rgbkbd::kRgbkbdServiceName,
rgbkbd::kGetRgbKeyboardCapabilities);
dbus::MessageWriter writer(&method_call);
CHECK(rgbkbd_proxy_);
rgbkbd_proxy_->CallMethod(
&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::BindOnce(&RgbkbdClientImpl::GetRgbKeyboardCapabilitiesCallback,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
void SetCapsLockState(bool enabled) override {
VLOG(1) << "rgbkbd: SetCapsLockState called with: "
<< (enabled ? "True" : "False");
dbus::MethodCall method_call(rgbkbd::kRgbkbdServiceName,
rgbkbd::kSetCapsLockState);
dbus::MessageWriter writer(&method_call);
writer.AppendBool(enabled);
CHECK(rgbkbd_proxy_);
rgbkbd_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
void SetStaticBackgroundColor(uint8_t r, uint8_t g, uint8_t b) override {
VLOG(1) << "rgbkbd: SetStaticBackgroundColor R: " << static_cast<int>(r)
<< "G: " << static_cast<int>(g) << "B: " << static_cast<int>(b);
dbus::MethodCall method_call(rgbkbd::kRgbkbdServiceName,
rgbkbd::kSetStaticBackgroundColor);
dbus::MessageWriter writer(&method_call);
writer.AppendByte(r);
writer.AppendByte(g);
writer.AppendByte(b);
CHECK(rgbkbd_proxy_);
rgbkbd_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
void SetZoneColor(int zone, uint8_t r, uint8_t g, uint8_t b) override {
VLOG(1) << "rgbkbd: SetZoneColor Zone: " << zone
<< "R: " << static_cast<int>(r) << "G: " << static_cast<int>(g)
<< "B: " << static_cast<int>(b);
dbus::MethodCall method_call(rgbkbd::kRgbkbdServiceName,
rgbkbd::kSetZoneColor);
dbus::MessageWriter writer(&method_call);
writer.AppendInt32(zone);
writer.AppendByte(r);
writer.AppendByte(g);
writer.AppendByte(b);
CHECK(rgbkbd_proxy_);
rgbkbd_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
void SetRainbowMode() override {
VLOG(1) << "rgbkbd: SetRainbowMode";
dbus::MethodCall method_call(rgbkbd::kRgbkbdServiceName,
rgbkbd::kSetRainbowMode);
CHECK(rgbkbd_proxy_);
rgbkbd_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
void SetAnimationMode(rgbkbd::RgbAnimationMode mode) override {
VLOG(1) << "rgbkbd: SetAnimationMode with mode: "
<< static_cast<uint32_t>(mode);
dbus::MethodCall method_call(rgbkbd::kRgbkbdServiceName,
rgbkbd::kSetAnimationMode);
dbus::MessageWriter writer(&method_call);
writer.AppendUint32(static_cast<uint32_t>(mode));
CHECK(rgbkbd_proxy_);
rgbkbd_proxy_->CallMethod(&method_call,
dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::DoNothing());
}
private:
void GetRgbKeyboardCapabilitiesCallback(
GetRgbKeyboardCapabilitiesCallback callback,
dbus::Response* response) {
if (!response) {
VLOG(1)
<< "rgbkbd: No Dbus response received for GetRgbKeyboardCapabilities";
std::move(callback).Run(std::nullopt);
return;
}
dbus::MessageReader reader(response);
uint32_t keyboard_capabilities;
if (!reader.PopUint32(&keyboard_capabilities)) {
LOG(ERROR)
<< "rgbkbd: Error reading GetRgbKeyboardCapabilities response: "
<< response->ToString();
std::move(callback).Run(std::nullopt);
return;
}
VLOG(1) << "rgbkbd: Value for keyboard capabilities is: "
<< keyboard_capabilities;
std::move(callback).Run(
rgbkbd::RgbKeyboardCapabilities(keyboard_capabilities));
}
void CapabilityUpdatedForTestingReceived(dbus::Signal* signal) {
dbus::MessageReader reader(signal);
uint32_t capability;
if (!reader.PopUint32(&capability)) {
LOG(ERROR) << "rgbkbd: Error reading capability for testing response: "
<< signal->ToString();
return;
}
for (auto& observer : observers_) {
observer.OnCapabilityUpdatedForTesting( // IN-TEST
rgbkbd::RgbKeyboardCapabilities(capability));
}
}
void CapabilityUpdatedForTestingConnected(const std::string& interface_name,
const std::string& signal_name,
bool success) {
LOG_IF(WARNING, !success)
<< "Failed to connect to CapabilityUpdatedForTesting signal.";
}
raw_ptr<dbus::ObjectProxy> rgbkbd_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<RgbkbdClientImpl> weak_ptr_factory_{this};
};
} // namespace
void RgbkbdClientImpl::Init(dbus::Bus* bus) {
CHECK(bus);
rgbkbd_proxy_ = bus->GetObjectProxy(
rgbkbd::kRgbkbdServiceName, dbus::ObjectPath(rgbkbd::kRgbkbdServicePath));
rgbkbd_proxy_->ConnectToSignal(
rgbkbd::kRgbkbdServiceName, rgbkbd::kCapabilityUpdatedForTesting,
base::BindRepeating(
&RgbkbdClientImpl::CapabilityUpdatedForTestingReceived,
weak_ptr_factory_.GetWeakPtr()),
base::BindOnce(&RgbkbdClientImpl::CapabilityUpdatedForTestingConnected,
weak_ptr_factory_.GetWeakPtr()));
}
RgbkbdClient::RgbkbdClient() {
CHECK(!g_instance);
g_instance = this;
}
RgbkbdClient::~RgbkbdClient() {
CHECK_EQ(this, g_instance);
g_instance = nullptr;
}
// static
void RgbkbdClient::Initialize(dbus::Bus* bus) {
CHECK(bus);
(new RgbkbdClientImpl())->Init(bus);
}
// static
void RgbkbdClient::InitializeFake() {
new FakeRgbkbdClient();
}
// static
void RgbkbdClient::Shutdown() {
CHECK(g_instance);
delete g_instance;
}
// static
RgbkbdClient* RgbkbdClient::Get() {
return g_instance;
}
void RgbkbdClient::AddObserver(RgbkbdClient::Observer* observer) {
observers_.AddObserver(observer);
}
void RgbkbdClient::RemoveObserver(RgbkbdClient::Observer* observer) {
observers_.RemoveObserver(observer);
}
} // namespace ash
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