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      1 // Copyright 2014 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 MOJO_SHELL_DYNAMIC_SERVICE_LOADER_H_
      6 #define MOJO_SHELL_DYNAMIC_SERVICE_LOADER_H_
      7 
      8 #include <map>
      9 
     10 #include "base/macros.h"
     11 #include "mojo/public/cpp/system/core.h"
     12 #include "mojo/service_manager/service_loader.h"
     13 #include "mojo/services/public/interfaces/network/network_service.mojom.h"
     14 #include "mojo/shell/dynamic_service_runner.h"
     15 #include "mojo/shell/keep_alive.h"
     16 #include "url/gurl.h"
     17 
     18 namespace mojo {
     19 namespace shell {
     20 
     21 class Context;
     22 class DynamicServiceRunnerFactory;
     23 
     24 // An implementation of ServiceLoader that retrieves a dynamic library
     25 // containing the implementation of the service and loads/runs it (via a
     26 // DynamicServiceRunner).
     27 class DynamicServiceLoader : public ServiceLoader {
     28  public:
     29   DynamicServiceLoader(Context* context,
     30                        scoped_ptr<DynamicServiceRunnerFactory> runner_factory);
     31   virtual ~DynamicServiceLoader();
     32 
     33   // ServiceLoader methods:
     34   virtual void LoadService(ServiceManager* manager,
     35                            const GURL& url,
     36                            ScopedMessagePipeHandle service_handle) OVERRIDE;
     37   virtual void OnServiceError(ServiceManager* manager, const GURL& url)
     38       OVERRIDE;
     39 
     40  private:
     41   Context* const context_;
     42   scoped_ptr<DynamicServiceRunnerFactory> runner_factory_;
     43   NetworkServicePtr network_service_;
     44 
     45   DISALLOW_COPY_AND_ASSIGN(DynamicServiceLoader);
     46 };
     47 
     48 }  // namespace shell
     49 }  // namespace mojo
     50 
     51 #endif  // MOJO_SHELL_DYNAMIC_SERVICE_LOADER_H_
     52