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| 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 REMOTING_HOST_HOST_USER_INTERFACE_H_ | |
| 6 #define REMOTING_HOST_HOST_USER_INTERFACE_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/callback.h" | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "base/memory/ref_counted.h" | |
| 14 #include "base/memory/scoped_ptr.h" | |
| 15 #include "base/memory/weak_ptr.h" | |
| 16 #include "remoting/host/host_status_observer.h" | |
| 17 #include "remoting/host/ui_strings.h" | |
| 18 | |
| 19 namespace base { | |
| 20 class SingleThreadTaskRunner; | |
| 21 } // namespace base | |
| 22 | |
| 23 namespace remoting { | |
| 24 | |
| 25 class ChromotingHost; | |
| 26 | |
| 27 class HostUserInterface : public HostStatusObserver { | |
| 28 public: | |
| 29 HostUserInterface( | |
| 30 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner, | |
| 31 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner, | |
| 32 const UiStrings& ui_strings); | |
| 33 virtual ~HostUserInterface(); | |
| 34 | |
| 35 // Initialize the OS-specific UI objects. | |
| 36 // Init must be called from |ui_task_runner_|. | |
| 37 virtual void Init(); | |
| 38 | |
| 39 // Start the HostUserInterface for |host|. |disconnect_callback| will be | |
| 40 // called on |ui_task_runner| to notify the caller that the connection should | |
| 41 // be disconnected. |host| must remain valid until OnShutdown() is called. | |
| 42 // Start must be called from |network_task_runner_|. | |
| 43 virtual void Start(ChromotingHost* host, | |
| 44 const base::Closure& disconnect_callback); | |
| 45 | |
| 46 // HostStatusObserver implementation. These methods will be called from the | |
| 47 // network thread. | |
| 48 virtual void OnClientAuthenticated(const std::string& jid) OVERRIDE; | |
| 49 virtual void OnClientDisconnected(const std::string& jid) OVERRIDE; | |
| 50 virtual void OnAccessDenied(const std::string& jid) OVERRIDE; | |
| 51 virtual void OnShutdown() OVERRIDE; | |
| 52 | |
| 53 protected: | |
| 54 const std::string& get_authenticated_jid() const { | |
| 55 return authenticated_jid_; | |
| 56 } | |
| 57 ChromotingHost* get_host() const { return host_; } | |
| 58 | |
| 59 const UiStrings& ui_strings() const { return ui_strings_; } | |
| 60 | |
| 61 base::SingleThreadTaskRunner* network_task_runner() const; | |
| 62 base::SingleThreadTaskRunner* ui_task_runner() const; | |
| 63 | |
| 64 // Invokes the session disconnect callback passed to Start(). | |
| 65 void DisconnectSession() const; | |
| 66 | |
| 67 virtual void ProcessOnClientAuthenticated(const std::string& username); | |
| 68 virtual void ProcessOnClientDisconnected(); | |
| 69 | |
| 70 ChromotingHost* host_; | |
| 71 | |
| 72 // Used to ask the host to disconnect the session. | |
| 73 base::Closure disconnect_callback_; | |
| 74 | |
| 75 private: | |
| 76 // Invoked from the UI thread when the user clicks on the Disconnect button | |
| 77 // to disconnect the session. | |
| 78 void OnDisconnectCallback(); | |
| 79 | |
| 80 // The JID of the currently-authenticated user (or an empty string if no user | |
| 81 // is connected). | |
| 82 std::string authenticated_jid_; | |
| 83 | |
| 84 // Thread on which the ChromotingHost processes network events. | |
| 85 // Notifications from the host, and some calls into it, use this thread. | |
| 86 scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_; | |
| 87 | |
| 88 // Thread on which to run the user interface. | |
| 89 scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; | |
| 90 | |
| 91 // TODO(alexeypa): move |ui_strings_| to DesktopEnvironmentFactory. | |
| 92 UiStrings ui_strings_; | |
| 93 | |
| 94 // WeakPtr used to avoid tasks accessing the client after it is deleted. | |
| 95 base::WeakPtrFactory<HostUserInterface> weak_factory_; | |
| 96 base::WeakPtr<HostUserInterface> weak_ptr_; | |
| 97 | |
| 98 DISALLOW_COPY_AND_ASSIGN(HostUserInterface); | |
| 99 }; | |
| 100 | |
| 101 } // namespace remoting | |
| 102 | |
| 103 #endif // REMOTING_HOST_HOST_USER_INTERFACE_H_ | |
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