src/components/nacl/browser/nacl_host_message_filter.h

   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 COMPONENTS_NACL_BROWSER_NACL_HOST_MESSAGE_FILTER_H_
   6 #define COMPONENTS_NACL_BROWSER_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 GURL;
  14
  15 namespace nacl {
  16 struct NaClLaunchParams;
  17 struct PnaclCacheInfo;
  18 }
  19
  20 namespace net {
  21 class HostResolver;
  22 class URLRequestContextGetter;
  23 }
  24
  25 namespace nacl {
  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                         net::URLRequestContextGetter* request_context);
  35
  36   // content::BrowserMessageFilter methods:
  37   virtual bool OnMessageReceived(const IPC::Message& message,
  38                                  bool* message_was_ok) OVERRIDE;
  39   virtual void OnChannelClosing() OVERRIDE;
  40
  41   int render_process_id() { return render_process_id_; }
  42   bool off_the_record() { return off_the_record_; }
  43   net::HostResolver* GetHostResolver();
  44
  45  private:
  46   friend class content::BrowserThread;
  47   friend class base::DeleteHelper<NaClHostMessageFilter>;
  48
  49   virtual ~NaClHostMessageFilter();
  50
  51 #if !defined(DISABLE_NACL)
  52   void OnLaunchNaCl(const NaClLaunchParams& launch_params,
  53                     IPC::Message* reply_msg);
  54   void OnGetReadonlyPnaclFd(const std::string& filename,
  55                             IPC::Message* reply_msg);
  56   void OnNaClCreateTemporaryFile(IPC::Message* reply_msg);
  57   void OnNaClGetNumProcessors(int* num_processors);
  58   void OnGetNexeFd(int render_view_id,
  59                    int pp_instance,
  60                    const PnaclCacheInfo& cache_info);
  61   void OnTranslationFinished(int instance, bool success);
  62   void OnNaClErrorStatus(int render_view_id, int error_id);
  63   void OnOpenNaClExecutable(int render_view_id,
  64                             const GURL& file_url,
  65                             IPC::Message* reply_msg);
  66   void SyncReturnTemporaryFile(IPC::Message* reply_msg,
  67                                base::PlatformFile fd);
  68   void AsyncReturnTemporaryFile(int pp_instance,
  69                                 base::PlatformFile fd,
  70                                 bool is_hit);
  71 #endif
  72   int render_process_id_;
  73
  74   // off_the_record_ is copied from the profile partly so that it can be
  75   // read on the IO thread.
  76   bool off_the_record_;
  77   base::FilePath profile_directory_;
  78   scoped_refptr<net::URLRequestContextGetter> request_context_;
  79
  80   base::WeakPtrFactory<NaClHostMessageFilter> weak_ptr_factory_;
  81
  82   DISALLOW_COPY_AND_ASSIGN(NaClHostMessageFilter);
  83 };
  84
  85 }  // namespace nacl
  86
  87 #endif  // COMPONENTS_NACL_BROWSER_NACL_HOST_MESSAGE_FILTER_H_