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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/borealis/borealis_context.h"
#include <memory>
#include "base/containers/flat_map.h"
#include "base/functional/bind.h"
#include "base/functional/callback_forward.h"
#include "base/memory/ptr_util.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "base/task/sequenced_task_runner.h"
#include "base/time/time.h"
#include "chrome/browser/ash/borealis/borealis_engagement_metrics.h"
#include "chrome/browser/ash/borealis/borealis_metrics.h"
#include "chrome/browser/ash/borealis/borealis_power_controller.h"
#include "chrome/browser/ash/borealis/borealis_service.h"
#include "chrome/browser/ash/borealis/borealis_service_factory.h"
#include "chrome/browser/ash/borealis/borealis_shutdown_monitor.h"
#include "chrome/browser/ash/borealis/borealis_window_manager.h"
#include "chrome/browser/ash/guest_os/guest_os_stability_monitor.h"
namespace borealis {
namespace {
// Similar to a delayed callback, but can be cancelled by deleting.
class ScopedDelayedCallback {
public:
explicit ScopedDelayedCallback(base::OnceClosure callback,
base::TimeDelta delay)
: weak_factory_(this) {
base::SequencedTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&ScopedDelayedCallback::OnComplete,
weak_factory_.GetWeakPtr(), std::move(callback)),
delay);
}
private:
void OnComplete(base::OnceClosure callback) { std::move(callback).Run(); }
base::WeakPtrFactory<ScopedDelayedCallback> weak_factory_;
};
} // namespace
class BorealisLifetimeObserver
: public BorealisWindowManager::AppWindowLifetimeObserver {
public:
explicit BorealisLifetimeObserver(BorealisContext* context)
: context_(context), observation_(this), weak_factory_(this) {
observation_.Observe(
&BorealisServiceFactory::GetForProfile(context_->profile())
->WindowManager());
}
// BorealisWindowManager::AppWindowLifetimeObserver overrides.
void OnSessionStarted() override {
if (!context_->launch_options().auto_shutdown)
return;
BorealisServiceFactory::GetForProfile(context_->profile())
->ShutdownMonitor()
.CancelDelayedShutdown();
}
void OnSessionFinished() override {
if (!context_->launch_options().auto_shutdown)
return;
BorealisServiceFactory::GetForProfile(context_->profile())
->ShutdownMonitor()
.ShutdownWithDelay();
}
void OnAppStarted(const std::string& app_id) override {
app_delayers_.erase(app_id);
}
void OnWindowManagerDeleted(BorealisWindowManager* window_manager) override {
DCHECK(observation_.IsObservingSource(window_manager));
observation_.Reset();
}
private:
const raw_ptr<BorealisContext> context_;
base::ScopedObservation<BorealisWindowManager,
BorealisWindowManager::AppWindowLifetimeObserver>
observation_;
base::flat_map<std::string, std::unique_ptr<ScopedDelayedCallback>>
app_delayers_;
base::WeakPtrFactory<BorealisLifetimeObserver> weak_factory_;
};
BorealisContext::~BorealisContext() = default;
void BorealisContext::NotifyUnexpectedVmShutdown() {
guest_os_stability_monitor_->LogUnexpectedVmShutdown();
}
BorealisContext::BorealisContext(Profile* profile)
: profile_(profile),
lifetime_observer_(std::make_unique<BorealisLifetimeObserver>(this)),
guest_os_stability_monitor_(
std::make_unique<guest_os::GuestOsStabilityMonitor>(
kBorealisStabilityHistogram)),
engagement_metrics_(std::make_unique<BorealisEngagementMetrics>(profile)),
power_controller_(std::make_unique<BorealisPowerController>(profile)) {}
std::unique_ptr<BorealisContext>
BorealisContext::CreateBorealisContextForTesting(Profile* profile) {
// Construct out-of-place because the constructor is private.
BorealisContext* ptr = new BorealisContext(profile);
return base::WrapUnique(ptr);
}
} // namespace borealis
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