| // Copyright 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 CHROME_RENDERER_PEPPER_PNACL_TRANSLATION_RESOURCE_HOST_H_ |
| #define CHROME_RENDERER_PEPPER_PNACL_TRANSLATION_RESOURCE_HOST_H_ |
| |
| #include <map> |
| |
| #include "ipc/ipc_channel_proxy.h" |
| #include "ipc/ipc_platform_file.h" |
| #include "ppapi/c/private/pp_file_handle.h" |
| #include "ppapi/shared_impl/tracked_callback.h" |
| |
| namespace nacl { |
| struct PnaclCacheInfo; |
| } |
| |
| // A class to keep track of requests made to the browser for resources that the |
| // PNaCl translator needs (e.g. descriptors for the translator nexes, temp |
| // files, and cached translations). |
| |
| // "Resource" might not be the best name for the various things that pnacl |
| // needs from the browser since "Resource" is a Pepper thing... |
| class PnaclTranslationResourceHost : public IPC::ChannelProxy::MessageFilter { |
| public: |
| explicit PnaclTranslationResourceHost( |
| const scoped_refptr<base::MessageLoopProxy>& io_message_loop); |
| void RequestNexeFd(int render_view_id, |
| PP_Instance instance, |
| const nacl::PnaclCacheInfo& cache_info, |
| PP_Bool* is_hit, |
| PP_FileHandle* file_handle, |
| scoped_refptr<ppapi::TrackedCallback> callback); |
| void ReportTranslationFinished(PP_Instance instance, PP_Bool success); |
| |
| protected: |
| virtual ~PnaclTranslationResourceHost(); |
| |
| private: |
| class CacheRequestInfo { |
| public: |
| CacheRequestInfo(PP_Bool* hit, |
| PP_FileHandle* handle, |
| scoped_refptr<ppapi::TrackedCallback> cb); |
| |
| ~CacheRequestInfo(); |
| |
| PP_Bool* is_hit; |
| PP_FileHandle* file_handle; |
| scoped_refptr<ppapi::TrackedCallback> callback; |
| }; |
| |
| // Maps the instance with an outstanding cache request to the info |
| // about that request. |
| typedef std::map<PP_Instance, CacheRequestInfo> CacheRequestInfoMap; |
| // IPC::ChannelProxy::MessageFilter implementation. |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE; |
| virtual void OnFilterRemoved() OVERRIDE; |
| virtual void OnChannelClosing() OVERRIDE; |
| |
| void SendRequestNexeFd(int render_view_id, |
| PP_Instance instance, |
| const nacl::PnaclCacheInfo& cache_info, |
| PP_Bool* is_hit, |
| PP_FileHandle* file_handle, |
| scoped_refptr<ppapi::TrackedCallback> callback); |
| void SendReportTranslationFinished(PP_Instance instance, |
| PP_Bool success); |
| void OnNexeTempFileReply(PP_Instance instance, |
| bool is_hit, |
| IPC::PlatformFileForTransit file); |
| void CleanupCacheRequests(); |
| |
| scoped_refptr<base::MessageLoopProxy> io_message_loop_; |
| |
| // Should be accessed on the io thread. |
| IPC::Channel* channel_; |
| CacheRequestInfoMap pending_cache_requests_; |
| DISALLOW_COPY_AND_ASSIGN(PnaclTranslationResourceHost); |
| }; |
| |
| #endif // CHROME_RENDERER_PEPPER_PNACL_TRANSLATION_RESOURCE_HOST_H_ |