| // Copyright (c) 2013 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_NETWORK_PROXY_HOST_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_NETWORK_PROXY_HOST_H_ |
| |
| #include <stdint.h> |
| |
| #include <queue> |
| #include <set> |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/containers/queue.h" |
| #include "base/containers/unique_ptr_adapters.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/optional.h" |
| #include "content/common/content_export.h" |
| #include "ppapi/host/host_message_context.h" |
| #include "ppapi/host/resource_host.h" |
| #include "url/gurl.h" |
| |
| namespace net { |
| class ProxyInfo; |
| } |
| |
| namespace ppapi { |
| namespace host { |
| struct ReplyMessageContext; |
| } |
| } |
| |
| namespace content { |
| |
| class BrowserPpapiHostImpl; |
| class PepperProxyLookupHelper; |
| |
| // The host for PPB_NetworkProxy. This class lives on the IO thread. |
| class CONTENT_EXPORT PepperNetworkProxyHost : public ppapi::host::ResourceHost { |
| public: |
| PepperNetworkProxyHost(BrowserPpapiHostImpl* host, |
| PP_Instance instance, |
| PP_Resource resource); |
| |
| ~PepperNetworkProxyHost() override; |
| |
| private: |
| // We retrieve whether this API is allowed for the instance on the UI thread |
| // and pass it to DidGetUIThreadData, which sets allowed_. |
| struct UIThreadData { |
| UIThreadData(); |
| UIThreadData(const UIThreadData& other); |
| ~UIThreadData(); |
| |
| bool is_allowed; |
| }; |
| static UIThreadData GetUIThreadDataOnUIThread(int render_process_id, |
| int render_frame_id, |
| bool is_external_plugin); |
| void DidGetUIThreadData(const UIThreadData&); |
| |
| // ResourceHost implementation. |
| int32_t OnResourceMessageReceived( |
| const IPC::Message& msg, |
| ppapi::host::HostMessageContext* context) override; |
| |
| int32_t OnMsgGetProxyForURL(ppapi::host::HostMessageContext* context, |
| const std::string& url); |
| |
| // Send all messages in |unsent_requests_|. |
| void TryToSendUnsentRequests(); |
| |
| void OnResolveProxyCompleted(ppapi::host::ReplyMessageContext context, |
| PepperProxyLookupHelper* pending_request, |
| base::Optional<net::ProxyInfo> proxy_info); |
| void SendFailureReply(int32_t error, |
| ppapi::host::ReplyMessageContext context); |
| |
| // Used to find correct NetworkContext to perform proxy lookups. |
| int render_process_id_; |
| int render_frame_id_; |
| |
| // The following member is invalid until we get some information from the UI |
| // thread. However, it is only ever set or accessed on the IO thread. |
| bool is_allowed_; |
| |
| // True initially, but set to false once is_allowed_ has been set. |
| bool waiting_for_ui_thread_data_; |
| |
| // We have to get is_allowed_ from the UI thread before we can start a |
| // request. If we receive any calls for GetProxyForURL before is_allowed_ is |
| // available, we save them in unsent_requests_. |
| struct UnsentRequest { |
| GURL url; |
| ppapi::host::ReplyMessageContext reply_context; |
| }; |
| base::queue<UnsentRequest> unsent_requests_; |
| |
| // Requests awaiting a response from the network service. We need to store |
| // these so that we can cancel them if we get destroyed. |
| std::set<std::unique_ptr<PepperProxyLookupHelper>, base::UniquePtrComparator> |
| pending_requests_; |
| |
| base::WeakPtrFactory<PepperNetworkProxyHost> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PepperNetworkProxyHost); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_NETWORK_PROXY_HOST_H_ |