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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 "content/browser/worker_host/dedicated_worker_service_impl.h"
#include "base/observer_list.h"
#include "content/browser/worker_host/dedicated_worker_host.h"
#include "content/public/browser/browser_thread.h"
#include "third_party/blink/public/common/storage_key/storage_key.h"
#include "url/origin.h"
namespace content {
DedicatedWorkerServiceImpl::DedicatedWorkerServiceImpl() = default;
DedicatedWorkerServiceImpl::~DedicatedWorkerServiceImpl() = default;
void DedicatedWorkerServiceImpl::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void DedicatedWorkerServiceImpl::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
void DedicatedWorkerServiceImpl::EnumerateDedicatedWorkers(Observer* observer) {
for (const auto& kv : dedicated_worker_hosts_) {
const blink::DedicatedWorkerToken& dedicated_worker_token = kv.first;
DedicatedWorkerHost* host = kv.second;
observer->OnWorkerCreated(
dedicated_worker_token, host->GetProcessHost()->GetDeprecatedID(),
host->GetStorageKey().origin(), host->GetCreator());
auto& maybe_url = host->GetFinalResponseURL();
if (maybe_url) {
observer->OnFinalResponseURLDetermined(dedicated_worker_token,
*maybe_url);
}
}
}
void DedicatedWorkerServiceImpl::NotifyWorkerCreated(
DedicatedWorkerHost* host) {
bool inserted =
dedicated_worker_hosts_.emplace(host->GetToken(), host).second;
DCHECK(inserted);
for (Observer& observer : observers_) {
observer.OnWorkerCreated(
host->GetToken(), host->GetProcessHost()->GetDeprecatedID(),
host->GetStorageKey().origin(), host->GetCreator());
}
}
void DedicatedWorkerServiceImpl::NotifyBeforeWorkerDestroyed(
const blink::DedicatedWorkerToken& dedicated_worker_token,
DedicatedWorkerCreator creator) {
size_t removed = dedicated_worker_hosts_.erase(dedicated_worker_token);
DCHECK_EQ(1u, removed);
for (Observer& observer : observers_) {
observer.OnBeforeWorkerDestroyed(dedicated_worker_token, creator);
}
}
void DedicatedWorkerServiceImpl::NotifyWorkerFinalResponseURLDetermined(
const blink::DedicatedWorkerToken& dedicated_worker_token,
const GURL& url) {
auto it = dedicated_worker_hosts_.find(dedicated_worker_token);
CHECK(it != dedicated_worker_hosts_.end());
for (Observer& observer : observers_) {
observer.OnFinalResponseURLDetermined(dedicated_worker_token, url);
}
}
bool DedicatedWorkerServiceImpl::HasToken(
const blink::DedicatedWorkerToken& worker_token) const {
return dedicated_worker_hosts_.count(worker_token);
}
DedicatedWorkerHost*
DedicatedWorkerServiceImpl::GetDedicatedWorkerHostFromToken(
const blink::DedicatedWorkerToken& dedicated_worker_token) const {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
auto it = dedicated_worker_hosts_.find(dedicated_worker_token);
if (it == dedicated_worker_hosts_.end())
return nullptr;
return it->second;
}
} // namespace content
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