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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_NACL_HOST_NACL_HOST_MESSAGE_FILTER_H_
      6 #define CHROME_BROWSER_NACL_HOST_NACL_HOST_MESSAGE_FILTER_H_
      7 
      8 #include "base/files/file_path.h"
      9 #include "base/memory/weak_ptr.h"
     10 #include "base/platform_file.h"
     11 #include "content/public/browser/browser_message_filter.h"
     12 
     13 class ExtensionInfoMap;
     14 class GURL;
     15 
     16 namespace nacl {
     17 struct NaClLaunchParams;
     18 struct PnaclCacheInfo;
     19 struct PnaclInstallProgress;
     20 }
     21 
     22 namespace net {
     23 class HostResolver;
     24 class URLRequestContextGetter;
     25 }
     26 
     27 // This class filters out incoming Chrome-specific IPC messages for the renderer
     28 // process on the IPC thread.
     29 class NaClHostMessageFilter : public content::BrowserMessageFilter {
     30  public:
     31   NaClHostMessageFilter(int render_process_id,
     32                         bool is_off_the_record,
     33                         const base::FilePath& profile_directory,
     34                         ExtensionInfoMap* extension_info_map,
     35                         net::URLRequestContextGetter* request_context);
     36 
     37   // content::BrowserMessageFilter methods:
     38   virtual bool OnMessageReceived(const IPC::Message& message,
     39                                  bool* message_was_ok) OVERRIDE;
     40   virtual void OnChannelClosing() OVERRIDE;
     41 
     42   int render_process_id() { return render_process_id_; }
     43   bool off_the_record() { return off_the_record_; }
     44   net::HostResolver* GetHostResolver();
     45 
     46  private:
     47   friend class content::BrowserThread;
     48   friend class base::DeleteHelper<NaClHostMessageFilter>;
     49 
     50   virtual ~NaClHostMessageFilter();
     51 
     52 #if !defined(DISABLE_NACL)
     53   void OnLaunchNaCl(const nacl::NaClLaunchParams& launch_params,
     54                     IPC::Message* reply_msg);
     55   void OnEnsurePnaclInstalled(int instance);
     56   void OnGetReadonlyPnaclFd(const std::string& filename,
     57                             IPC::Message* reply_msg);
     58   void OnNaClCreateTemporaryFile(IPC::Message* reply_msg);
     59   void OnGetNexeFd(int render_view_id,
     60                    int pp_instance,
     61                    const nacl::PnaclCacheInfo& cache_info);
     62   void OnTranslationFinished(int instance, bool success);
     63   void OnNaClErrorStatus(int render_view_id, int error_id);
     64   void OnOpenNaClExecutable(int render_view_id,
     65                             const GURL& file_url,
     66                             IPC::Message* reply_msg);
     67 
     68   void ReplyEnsurePnaclInstalled(int instance, bool success);
     69   void SendProgressEnsurePnaclInstalled(
     70       int instance,
     71       const nacl::PnaclInstallProgress& progress);
     72   void SyncReturnTemporaryFile(IPC::Message* reply_msg,
     73                                base::PlatformFile fd);
     74   void AsyncReturnTemporaryFile(int pp_instance,
     75                                 base::PlatformFile fd,
     76                                 bool is_hit);
     77 #endif
     78   int render_process_id_;
     79 
     80   // off_the_record_ is copied from the profile partly so that it can be
     81   // read on the IO thread.
     82   bool off_the_record_;
     83   base::FilePath profile_directory_;
     84   scoped_refptr<net::URLRequestContextGetter> request_context_;
     85   scoped_refptr<ExtensionInfoMap> extension_info_map_;
     86 
     87   base::WeakPtrFactory<NaClHostMessageFilter> weak_ptr_factory_;
     88 
     89   DISALLOW_COPY_AND_ASSIGN(NaClHostMessageFilter);
     90 };
     91 
     92 #endif  // CHROME_BROWSER_NACL_HOST_NACL_HOST_MESSAGE_FILTER_H_
     93