mojo/shell/dynamic_service_loader.h

   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_