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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/arc/power/arc_power_bridge.h"
#include <algorithm>
#include <utility>
#include "base/logging.h"
#include "chromeos/dbus/power_policy_controller.h"
#include "components/arc/arc_service_manager.h"
namespace arc {
ArcPowerBridge::ArcPowerBridge(ArcBridgeService* arc_bridge_service)
: arc_bridge_service_(arc_bridge_service), binding_(this) {
arc_bridge_service->AddObserver(this);
if (arc_bridge_service->power_instance())
OnPowerInstanceReady();
}
ArcPowerBridge::~ArcPowerBridge() {
arc_bridge_service_->RemoveObserver(this);
ReleaseAllDisplayWakeLocks();
}
void ArcPowerBridge::OnStateChanged(ArcBridgeService::State state) {
if (state == ArcBridgeService::State::STOPPING)
ReleaseAllDisplayWakeLocks();
}
void ArcPowerBridge::OnPowerInstanceReady() {
PowerInstance* power_instance = arc_bridge_service_->power_instance();
if (!power_instance) {
LOG(ERROR) << "OnPowerInstanceReady called, but no power instance found";
return;
}
PowerHostPtr host;
binding_.Bind(mojo::GetProxy(&host));
power_instance->Init(std::move(host));
}
void ArcPowerBridge::OnAcquireDisplayWakeLock(
DisplayWakeLockType type) {
if (!chromeos::PowerPolicyController::IsInitialized()) {
LOG(WARNING) << "PowerPolicyController is not available";
return;
}
chromeos::PowerPolicyController* controller =
chromeos::PowerPolicyController::Get();
int wake_lock_id = -1;
switch (type) {
case DisplayWakeLockType::BRIGHT:
wake_lock_id = controller->AddScreenWakeLock(
chromeos::PowerPolicyController::REASON_OTHER, "ARC");
break;
case DisplayWakeLockType::DIM:
wake_lock_id = controller->AddDimWakeLock(
chromeos::PowerPolicyController::REASON_OTHER, "ARC");
break;
default:
LOG(WARNING) << "Tried to take invalid wake lock type "
<< static_cast<int>(type);
return;
}
wake_locks_.insert(std::make_pair(type, wake_lock_id));
}
void ArcPowerBridge::OnReleaseDisplayWakeLock(
DisplayWakeLockType type) {
if (!chromeos::PowerPolicyController::IsInitialized()) {
LOG(WARNING) << "PowerPolicyController is not available";
return;
}
chromeos::PowerPolicyController* controller =
chromeos::PowerPolicyController::Get();
// From the perspective of the PowerPolicyController, all wake locks
// of a given type are equivalent, so it doesn't matter which one
// we pass to the controller here.
auto it = wake_locks_.find(type);
if (it == wake_locks_.end()) {
LOG(WARNING) << "Tried to release wake lock of type "
<< static_cast<int>(type) << " when none were taken";
return;
}
controller->RemoveWakeLock(it->second);
wake_locks_.erase(it);
}
void ArcPowerBridge::ReleaseAllDisplayWakeLocks() {
if (!chromeos::PowerPolicyController::IsInitialized()) {
LOG(WARNING) << "PowerPolicyController is not available";
return;
}
chromeos::PowerPolicyController* controller =
chromeos::PowerPolicyController::Get();
for (const auto& it : wake_locks_) {
controller->RemoveWakeLock(it.second);
}
wake_locks_.clear();
}
} // namespace arc
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