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// Copyright 2021 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/devtools/worker_devtools_manager.h"
#include "base/containers/contains.h"
#include "base/metrics/histogram_functions.h"
#include "content/browser/devtools/dedicated_worker_devtools_agent_host.h"
#include "content/browser/devtools/devtools_instrumentation.h"
#include "content/browser/worker_host/dedicated_worker_host.h"
#include "content/public/browser/browser_thread.h"
namespace content {
// static
WorkerDevToolsManager& WorkerDevToolsManager::GetInstance() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
return *base::Singleton<WorkerDevToolsManager>::get();
}
WorkerDevToolsManager::WorkerDevToolsManager() = default;
WorkerDevToolsManager::~WorkerDevToolsManager() = default;
DedicatedWorkerDevToolsAgentHost* WorkerDevToolsManager::GetDevToolsHost(
const DedicatedWorkerHost* host) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
auto it = hosts_.find(host);
return it == hosts_.end() ? nullptr : it->second.get();
}
DedicatedWorkerDevToolsAgentHost*
WorkerDevToolsManager::GetDevToolsHostFromToken(
const base::UnguessableToken& token) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
for (const auto& it : hosts_) {
if (it.second->devtools_worker_token() == token) {
return it.second.get();
}
}
return nullptr;
}
void WorkerDevToolsManager::WorkerCreated(
const DedicatedWorkerHost* host,
int process_id,
const GlobalRenderFrameHostId& ancestor_render_frame_host_id,
scoped_refptr<DevToolsThrottleHandle> throttle_handle) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(!base::Contains(hosts_, host));
hosts_[host] = base::MakeRefCounted<DedicatedWorkerDevToolsAgentHost>(
process_id,
/*url=*/GURL(), /*name=*/"", host->GetToken().value(), /*parent_id=*/"",
/*destroyed_callback=*/base::DoNothing());
base::UmaHistogramCounts1000("Worker.DevTools.AgentHost.Size", hosts_.size());
devtools_instrumentation::ThrottleWorkerMainScriptFetch(
host->GetToken().value(), ancestor_render_frame_host_id,
std::move(throttle_handle));
}
void WorkerDevToolsManager::WorkerDestroyed(const DedicatedWorkerHost* host) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// If the worker thread in the renderer has never establiashed a mojo
// connection to the DedicatedWorkerDevToolsAgentHost we need to
// explicitly run disconnect.
// Generally, the host should be there except for unit tests.
if (!hosts_.contains(host)) {
return;
}
hosts_[host]->DisconnectIfNotCreated();
hosts_.erase(host);
}
void WorkerDevToolsManager::AddAllAgentHosts(DevToolsAgentHost::List* result) {
for (const auto& it : hosts_) {
result->push_back(it.second);
}
}
} // namespace content
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