components/devtools_bridge/session_dependency_factory.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 COMPONENTS_DEVTOOLS_BRIDGE_SESSION_DEPENDENCY_FACTORY_H_
   6 #define COMPONENTS_DEVTOOLS_BRIDGE_SESSION_DEPENDENCY_FACTORY_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "components/devtools_bridge/abstract_peer_connection.h"
  13 #include "components/devtools_bridge/rtc_configuration.h"
  14
  15 namespace base {
  16 class TaskRunner;
  17 }
  18
  19 namespace devtools_bridge {
  20
  21 /**
  22  * Abstraction layer over WebRTC API used in DevTools Bridge.
  23  * It helps to isolate ref counting and threading logic needed.
  24  */
  25 class SessionDependencyFactory {
  26  public:
  27   SessionDependencyFactory() {}
  28   virtual ~SessionDependencyFactory() {}
  29
  30   static bool InitializeSSL();
  31   static bool CleanupSSL();
  32
  33   static scoped_ptr<SessionDependencyFactory> CreateInstance(
  34       const base::Closure& cleanup_on_signaling_thread);
  35
  36   virtual scoped_ptr<AbstractPeerConnection> CreatePeerConnection(
  37       scoped_ptr<RTCConfiguration> config,
  38       scoped_ptr<AbstractPeerConnection::Delegate> delegate) = 0;
  39
  40   virtual scoped_refptr<base::TaskRunner> signaling_thread_task_runner() = 0;
  41   virtual scoped_refptr<base::TaskRunner> io_thread_task_runner() = 0;
  42
  43  private:
  44   DISALLOW_COPY_AND_ASSIGN(SessionDependencyFactory);
  45 };
  46
  47 }  // namespace devtools_bridge
  48
  49 #endif  // COMPONENTS_DEVTOOLS_BRIDGE_SESSION_DEPENDENCY_FACTORY_H_