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// Copyright 2018 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 <utility>
#include "content/browser/idle/idle_manager.h"
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "content/browser/idle/idle_monitor.h"
#include "content/public/browser/permission_controller.h"
#include "content/public/browser/permission_type.h"
#include "ui/base/idle/idle.h"
namespace content {
namespace {
constexpr base::TimeDelta kPollInterval = base::TimeDelta::FromSeconds(1);
constexpr base::TimeDelta kMinimumThreshold = base::TimeDelta::FromSeconds(60);
// Default provider implementation. Everything is delegated to
// ui::CalculateIdleState, ui::CalculateIdleTime, and
// ui::CheckIdleStateIsLocked.
class DefaultIdleProvider : public IdleManager::IdleTimeProvider {
public:
DefaultIdleProvider() = default;
~DefaultIdleProvider() override = default;
ui::IdleState CalculateIdleState(base::TimeDelta idle_threshold) override {
return ui::CalculateIdleState(idle_threshold.InSeconds());
}
base::TimeDelta CalculateIdleTime() override {
return base::TimeDelta::FromSeconds(ui::CalculateIdleTime());
}
bool CheckIdleStateIsLocked() override {
return ui::CheckIdleStateIsLocked();
}
};
blink::mojom::IdleStatePtr IdleTimeToIdleState(bool locked,
base::TimeDelta idle_time,
base::TimeDelta idle_threshold) {
blink::mojom::UserIdleState user;
if (idle_time >= idle_threshold)
user = blink::mojom::UserIdleState::kIdle;
else
user = blink::mojom::UserIdleState::kActive;
blink::mojom::ScreenIdleState screen;
if (locked)
screen = blink::mojom::ScreenIdleState::kLocked;
else
screen = blink::mojom::ScreenIdleState::kUnlocked;
return blink::mojom::IdleState::New(user, screen);
}
} // namespace
IdleManager::IdleManager() : idle_time_provider_(new DefaultIdleProvider()) {}
IdleManager::~IdleManager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
while (!monitors_.empty()) {
IdleMonitor* monitor = monitors_.head()->value();
monitor->RemoveFromList();
delete monitor;
}
}
void IdleManager::CreateService(
mojo::PendingReceiver<blink::mojom::IdleManager> receiver) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
receivers_.Add(this, std::move(receiver));
}
void IdleManager::AddMonitor(
base::TimeDelta threshold,
mojo::PendingRemote<blink::mojom::IdleMonitor> monitor_remote,
AddMonitorCallback callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (threshold < kMinimumThreshold) {
receivers_.ReportBadMessage("Minimum threshold is 60 seconds.");
return;
}
auto monitor = std::make_unique<IdleMonitor>(
std::move(monitor_remote), CheckIdleState(threshold), threshold);
// This unretained reference is safe because IdleManager owns all IdleMonitor
// instances.
monitor->SetErrorHandler(
base::BindOnce(&IdleManager::RemoveMonitor, base::Unretained(this)));
monitors_.Append(monitor.release());
StartPolling();
std::move(callback).Run(CheckIdleState(threshold));
}
void IdleManager::RemoveMonitor(IdleMonitor* monitor) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
monitor->RemoveFromList();
delete monitor;
if (monitors_.empty()) {
StopPolling();
}
}
void IdleManager::SetIdleTimeProviderForTest(
std::unique_ptr<IdleTimeProvider> idle_time_provider) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
idle_time_provider_ = std::move(idle_time_provider);
}
bool IdleManager::IsPollingForTest() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
return poll_timer_.IsRunning();
}
void IdleManager::StartPolling() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!poll_timer_.IsRunning()) {
poll_timer_.Start(FROM_HERE, kPollInterval,
base::BindRepeating(&IdleManager::UpdateIdleState,
base::Unretained(this)));
}
}
void IdleManager::StopPolling() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
poll_timer_.Stop();
}
blink::mojom::IdleStatePtr IdleManager::CheckIdleState(
base::TimeDelta threshold) {
base::TimeDelta idle_time = idle_time_provider_->CalculateIdleTime();
bool locked = idle_time_provider_->CheckIdleStateIsLocked();
return IdleTimeToIdleState(locked, idle_time, threshold);
}
void IdleManager::UpdateIdleState() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
for (auto* node = monitors_.head(); node != monitors_.end();
node = node->next()) {
IdleMonitor* monitor = node->value();
monitor->SetLastState(CheckIdleState(monitor->threshold()));
}
}
} // namespace content
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