1 // Copyright 2013 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.
5 #ifndef REMOTING_CLIENT_CHROMOTING_JNI_INSTANCE_H_
6 #define REMOTING_CLIENT_CHROMOTING_JNI_INSTANCE_H_
10 #include "base/memory/ref_counted.h"
11 #include "base/memory/scoped_ptr.h"
12 #include "base/memory/weak_ptr.h"
13 #include "base/message_loop/message_loop.h"
14 #include "remoting/client/chromoting_client.h"
15 #include "remoting/client/client_config.h"
16 #include "remoting/client/client_context.h"
17 #include "remoting/client/client_user_interface.h"
18 #include "remoting/client/frame_consumer_proxy.h"
19 #include "remoting/client/jni/jni_frame_consumer.h"
20 #include "remoting/jingle_glue/network_settings.h"
21 #include "remoting/jingle_glue/xmpp_signal_strategy.h"
22 #include "remoting/protocol/clipboard_stub.h"
23 #include "remoting/protocol/connection_to_host.h"
24 #include "remoting/protocol/cursor_shape_stub.h"
30 class CursorShapeInfo;
31 } // namespace protocol
33 // ClientUserInterface that indirectly makes and receives JNI calls.
34 class ChromotingJniInstance
35 : public ClientUserInterface,
36 public protocol::ClipboardStub,
37 public protocol::CursorShapeStub,
38 public base::RefCountedThreadSafe<ChromotingJniInstance> {
40 // Initiates a connection with the specified host. Call from the UI thread.
41 // The instance does not take ownership of |jni_runtime|. To connect with an
42 // unpaired host, pass in |pairing_id| and |pairing_secret| as empty strings.
43 ChromotingJniInstance(ChromotingJniRuntime* jni_runtime,
45 const char* auth_token,
48 const char* host_pubkey,
49 const char* pairing_id,
50 const char* pairing_secret);
52 // Terminates the current connection (if it hasn't already failed) and cleans
53 // up. Must be called before destruction.
56 // Provides the user's PIN and resumes the host authentication attempt. Call
57 // on the UI thread once the user has finished entering this PIN into the UI,
58 // but only after the UI has been asked to provide a PIN (via FetchSecret()).
59 void ProvideSecret(const std::string& pin, bool create_pair);
61 // Schedules a redraw on the display thread. May be called from any thread.
64 // Moves the host's cursor to the specified coordinates, optionally with some
65 // mouse button depressed. If |button| is BUTTON_UNDEFINED, no click is made.
66 void PerformMouseAction(int x, int y,
67 protocol::MouseEvent_MouseButton button,
70 // Sends the provided keyboard scan code to the host.
71 void PerformKeyboardAction(int key_code, bool key_down);
73 // ClientUserInterface implementation.
74 virtual void OnConnectionState(
75 protocol::ConnectionToHost::State state,
76 protocol::ErrorCode error) OVERRIDE;
77 virtual void OnConnectionReady(bool ready) OVERRIDE;
78 virtual void SetCapabilities(const std::string& capabilities) OVERRIDE;
79 virtual void SetPairingResponse(
80 const protocol::PairingResponse& response) OVERRIDE;
81 virtual void DeliverHostMessage(
82 const protocol::ExtensionMessage& message) OVERRIDE;
83 virtual protocol::ClipboardStub* GetClipboardStub() OVERRIDE;
84 virtual protocol::CursorShapeStub* GetCursorShapeStub() OVERRIDE;
85 virtual scoped_ptr<protocol::ThirdPartyClientAuthenticator::TokenFetcher>
86 GetTokenFetcher(const std::string& host_public_key) OVERRIDE;
88 // CursorShapeStub implementation.
89 virtual void InjectClipboardEvent(
90 const protocol::ClipboardEvent& event) OVERRIDE;
92 // ClipboardStub implementation.
93 virtual void SetCursorShape(const protocol::CursorShapeInfo& shape) OVERRIDE;
96 // This object is ref-counted, so it cleans itself up.
97 virtual ~ChromotingJniInstance();
99 void ConnectToHostOnDisplayThread();
100 void ConnectToHostOnNetworkThread();
101 void DisconnectFromHostOnNetworkThread();
103 // Notifies the user interface that the user needs to enter a PIN. The
104 // current authentication attempt is put on hold until |callback| is invoked.
105 // May be called on any thread.
106 void FetchSecret(bool pairable,
107 const protocol::SecretFetchedCallback& callback);
109 // Used to obtain task runner references and make calls to Java methods.
110 ChromotingJniRuntime* jni_runtime_;
112 // ID of the host we are connecting to.
113 std::string host_id_;
115 // This group of variables is to be used on the display thread.
116 scoped_refptr<FrameConsumerProxy> frame_consumer_;
117 scoped_ptr<JniFrameConsumer> view_;
118 scoped_ptr<base::WeakPtrFactory<JniFrameConsumer> > view_weak_factory_;
120 // This group of variables is to be used on the network thread.
121 ClientConfig client_config_;
122 scoped_ptr<ClientContext> client_context_;
123 scoped_ptr<protocol::ConnectionToHost> connection_;
124 scoped_ptr<ChromotingClient> client_;
125 XmppSignalStrategy::XmppServerConfig xmpp_config_;
126 scoped_ptr<XmppSignalStrategy> signaling_; // Must outlive client_
127 scoped_ptr<NetworkSettings> network_settings_;
129 // Pass this the user's PIN once we have it. To be assigned and accessed on
130 // the UI thread, but must be posted to the network thread to call it.
131 protocol::SecretFetchedCallback pin_callback_;
133 // Indicates whether to establish a new pairing with this host. This is
134 // modified in ProvideSecret(), but thereafter to be used only from the
135 // network thread. (This is safe because ProvideSecret() is invoked at most
136 // once per run, and always before any reference to this flag.)
137 bool create_pairing_;
139 friend class base::RefCountedThreadSafe<ChromotingJniInstance>;
141 DISALLOW_COPY_AND_ASSIGN(ChromotingJniInstance);
144 } // namespace remoting