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      1 // Copyright (c) 2006-2008 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 SANDBOX_SRC_SANDBOX_FACTORY_H__
      6 #define SANDBOX_SRC_SANDBOX_FACTORY_H__
      7 
      8 #include "base/macros.h"
      9 #include "sandbox/win/src/sandbox.h"
     10 
     11 // SandboxFactory is a set of static methods to get access to the broker
     12 // or target services object. Only one of the two methods (GetBrokerServices,
     13 // GetTargetServices) will return a non-null pointer and that should be used
     14 // as the indication that the process is the broker or the target:
     15 //
     16 // BrokerServices* broker_services = SandboxFactory::GetBrokerServices();
     17 // if (NULL != broker_services) {
     18 //   //we are the broker, call broker api here
     19 //   broker_services->Init();
     20 // } else {
     21 //   TargetServices* target_services = SandboxFactory::GetTargetServices();
     22 //   if (NULL != target_services) {
     23 //    //we are the target, call target api here
     24 //    target_services->Init();
     25 //  }
     26 //
     27 // The methods in this class are expected to be called from a single thread
     28 //
     29 // The Sandbox library needs to be linked against the main executable, but
     30 // sometimes the API calls are issued from a DLL that loads into the exe
     31 // process. These factory methods then need to be called from the main
     32 // exe and the interface pointers then can be safely passed to the DLL where
     33 // the Sandbox API calls are made.
     34 namespace sandbox {
     35 
     36 class SandboxFactory {
     37  public:
     38   // Returns the Broker API interface, returns NULL if this process is the
     39   // target.
     40   static BrokerServices* GetBrokerServices();
     41 
     42   // Returns the Target API interface, returns NULL if this process is the
     43   // broker.
     44   static TargetServices* GetTargetServices();
     45  private:
     46   DISALLOW_IMPLICIT_CONSTRUCTORS(SandboxFactory);
     47 };
     48 
     49 }  // namespace sandbox
     50 
     51 #endif  // SANDBOX_SRC_SANDBOX_FACTORY_H__
     52