components/nacl/browser/nacl_broker_host_win.h

   1 // Copyright (c) 2012 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_BROKER_HOST_WIN_H_
   6 #define COMPONENTS_NACL_BROWSER_NACL_BROKER_HOST_WIN_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/process/process.h"
  13 #include "content/public/browser/browser_child_process_host_delegate.h"
  14
  15 namespace content {
  16 class BrowserChildProcessHost;
  17 }
  18
  19 namespace nacl {
  20
  21 class NaClBrokerHost : public content::BrowserChildProcessHostDelegate {
  22  public:
  23   NaClBrokerHost();
  24   ~NaClBrokerHost();
  25
  26   // This function starts the broker process. It needs to be called
  27   // before loaders can be launched.
  28   bool Init();
  29
  30   // Send a message to the broker process, causing it to launch
  31   // a Native Client loader process.
  32   bool LaunchLoader(const std::string& loader_channel_id);
  33
  34   bool LaunchDebugExceptionHandler(int32 pid,
  35                                    base::ProcessHandle process_handle,
  36                                    const std::string& startup_info);
  37
  38   // Stop the broker process.
  39   void StopBroker();
  40
  41   // Returns true if the process has been asked to terminate. If true, this
  42   // object should no longer be used; it will eventually be destroyed by
  43   // BrowserChildProcessHostImpl::OnChildDisconnected()
  44   bool IsTerminating() { return is_terminating_; }
  45
  46  private:
  47   // Handler for NaClProcessMsg_LoaderLaunched message
  48   void OnLoaderLaunched(const std::string& loader_channel_id,
  49                         base::ProcessHandle handle);
  50   // Handler for NaClProcessMsg_DebugExceptionHandlerLaunched message
  51   void OnDebugExceptionHandlerLaunched(int32 pid, bool success);
  52
  53   // BrowserChildProcessHostDelegate implementation:
  54   virtual bool OnMessageReceived(const IPC::Message& msg);
  55
  56   scoped_ptr<content::BrowserChildProcessHost> process_;
  57   bool is_terminating_;
  58
  59   DISALLOW_COPY_AND_ASSIGN(NaClBrokerHost);
  60 };
  61
  62 }  // namespace nacl
  63
  64 #endif  // COMPONENTS_NACL_BROWSER_NACL_BROKER_HOST_WIN_H_