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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/media_router/browser/issue_manager.h"
#include "base/functional/bind.h"
#include "base/observer_list.h"
#include "base/task/sequenced_task_runner.h"
#include "base/time/time.h"
namespace media_router {
namespace {
// The number of minutes a NOTIFICATION Issue stays in the IssueManager
// before it is auto-dismissed.
constexpr int kNotificationAutoDismissMins = 1;
// The number of minutes a WARNING Issue stays in the IssueManager before it
// is auto-dismissed.
constexpr int kWarningAutoDismissMins = 5;
} // namespace
// static
base::TimeDelta IssueManager::GetAutoDismissTimeout(
const IssueInfo& issue_info) {
switch (issue_info.severity) {
case IssueInfo::Severity::NOTIFICATION:
return base::Minutes(kNotificationAutoDismissMins);
case IssueInfo::Severity::WARNING:
return base::Minutes(kWarningAutoDismissMins);
default:
NOTREACHED();
}
}
IssueManager::IssueManager() = default;
IssueManager::~IssueManager() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
}
void IssueManager::AddIssue(const IssueInfo& issue_info) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
for (const auto& key_value_pair : issues_map_) {
if (key_value_pair.second.info() == issue_info) {
return;
}
}
Issue issue = Issue::CreateIssueWithIssueInfo(issue_info);
// No-op if the task is invoked after the issue is cleared.
base::SequencedTaskRunner::GetCurrentDefault()->PostDelayedTask(
FROM_HERE,
base::BindOnce(&IssueManager::ClearIssue, weak_ptr_factory_.GetWeakPtr(),
issue.id()),
GetAutoDismissTimeout(issue_info));
issues_map_.emplace(issue.id(), issue);
MaybeUpdateTopIssue();
}
void IssueManager::AddPermissionRejectedIssue() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
Issue issue = Issue::CreatePermissionRejectedIssue();
issues_map_.clear();
issues_map_.emplace(issue.id(), issue);
MaybeUpdateTopIssue();
}
void IssueManager::ClearIssue(const Issue::Id& issue_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (issues_map_.erase(issue_id)) {
MaybeUpdateTopIssue();
}
}
void IssueManager::ClearAllIssues() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (issues_map_.empty()) {
return;
}
issues_map_.clear();
MaybeUpdateTopIssue();
}
void IssueManager::ClearTopIssueForSink(const MediaSink::Id& sink_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
auto issue_it = issues_map_.find(top_issue_id_.value_or(-1));
if (issue_it != issues_map_.end() &&
issue_it->second.info().sink_id == sink_id) {
ClearIssue(top_issue_id_.value());
}
}
void IssueManager::RegisterObserver(IssuesObserver* observer) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(observer);
DCHECK(!issues_observers_.HasObserver(observer));
issues_observers_.AddObserver(observer);
auto issue_it = issues_map_.find(top_issue_id_.value_or(-1));
if (issue_it != issues_map_.end()) {
observer->OnIssue(issue_it->second);
}
}
void IssueManager::UnregisterObserver(IssuesObserver* observer) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
issues_observers_.RemoveObserver(observer);
}
void IssueManager::MaybeUpdateTopIssue() {
if (issues_map_.empty()) {
top_issue_id_ = std::nullopt;
for (auto& observer : issues_observers_) {
observer.OnIssuesCleared();
}
return;
}
// Select the first issue in the list of issues.
Issue::Id new_top_issue_id = issues_map_.begin()->first;
if (top_issue_id_.has_value() && new_top_issue_id == top_issue_id_.value()) {
return;
}
// If we've found a new top issue, then report it via the observer.
top_issue_id_ = new_top_issue_id;
for (auto& observer : issues_observers_) {
observer.OnIssue(issues_map_.at(new_top_issue_id));
}
}
} // namespace media_router
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