third_party/WebKit/Source/core/workers/SharedWorkerContentSettingsProxy.h

// Copyright 2017 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.

#ifndef SharedWorkerContentSettingsProxy_h
#define SharedWorkerContentSettingsProxy_h

#include "platform/weborigin/SecurityOrigin.h"
#include "public/platform/WebContentSettingsClient.h"
#include "public/platform/WebSecurityOrigin.h"
#include "public/web/worker_content_settings_proxy.mojom-blink.h"

namespace blink {

// SharedWorkerContentSettingsProxy provides content settings information.
// This is created on the main thread and then called on the worker thread.
// Information is requested via a Mojo connection to the browser process.
class SharedWorkerContentSettingsProxy : public WebContentSettingsClient {
 public:
  SharedWorkerContentSettingsProxy(
      mojom::blink::WorkerContentSettingsProxyPtrInfo host_info);
  ~SharedWorkerContentSettingsProxy() override;

  // WebContentSettingsClient overrides.
  bool AllowIndexedDB(const WebString& name, const WebSecurityOrigin&) override;
  bool RequestFileSystemAccessSync() override;

 private:
  // To ensure the returned pointer is destructed on the same thread
  // that it was constructed on, this uses ThreadSpecific.
  mojom::blink::WorkerContentSettingsProxyPtr& GetService();

  // This is set on the main thread at the ctor,
  // and moved to thread local storage on the worker thread
  // when GetService() is called for the first time.
  mojom::blink::WorkerContentSettingsProxyPtrInfo host_info_;
};

}  // namespace blink

#endif  // SharedWorkerContentSettingsProxy_h