| // 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. |
| |
| #ifndef CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_PROXY_LOOKUP_HELPER_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_PROXY_LOOKUP_HELPER_H_ |
| |
| #include <memory> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/optional.h" |
| #include "base/sequence_checker.h" |
| #include "content/common/content_export.h" |
| #include "services/network/public/mojom/proxy_lookup_client.mojom.h" |
| |
| class GURL; |
| |
| namespace net { |
| class ProxyInfo; |
| } |
| |
| namespace content { |
| |
| // Class that runs a single proxy resolution on the UI thread. Lives on the |
| // thread its created on, and uses a helper to run tasks off-thread. Can be |
| // destroyed at any time. |
| class CONTENT_EXPORT PepperProxyLookupHelper { |
| public: |
| // Callback to call LookUpProxyForURL. Called on the UI thread. Needed for |
| // testing. Returns false if unable to make the call, for whatever reason. |
| using LookUpProxyForURLCallback = base::OnceCallback<bool( |
| const GURL& url, |
| network::mojom::ProxyLookupClientPtr proxy_lookup_client)>; |
| |
| // Callback to invoke when complete. Invoked on thread the |
| // PepperProxyLookupHelper was created on. |
| using LookUpCompleteCallback = |
| base::OnceCallback<void(base::Optional<net::ProxyInfo> proxy_info)>; |
| |
| PepperProxyLookupHelper(); |
| ~PepperProxyLookupHelper(); |
| |
| // Starts a lookup for |url| on the UI thread. Invokes |
| // |look_up_proxy_for_url_callback| on the UI thread to start the lookup, and |
| // calls |look_up_complete_callback| on the thread Start() was called on when |
| // complete. May only be invoked once. |
| void Start(const GURL& url, |
| LookUpProxyForURLCallback look_up_proxy_for_url_callback, |
| LookUpCompleteCallback look_up_complete_callback); |
| |
| private: |
| class UIThreadHelper; |
| |
| void OnProxyLookupComplete(base::Optional<net::ProxyInfo> proxy_info); |
| |
| LookUpCompleteCallback look_up_complete_callback_; |
| std::unique_ptr<UIThreadHelper> ui_thread_helper_; |
| |
| SEQUENCE_CHECKER(sequence_checker_); |
| |
| base::WeakPtrFactory<PepperProxyLookupHelper> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PepperProxyLookupHelper); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_PROXY_LOOKUP_HELPER_H_ |