remoting/test/app_remoting_connection_helper.h

   1 // Copyright 2015 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_TEST_APP_REMOTING_CONNECTION_HELPER_H_
   6 #define REMOTING_TEST_APP_REMOTING_CONNECTION_HELPER_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/threading/thread_checker.h"
  13 #include "remoting/test/remote_connection_observer.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15
  16 namespace base {
  17 class RunLoop;
  18 class Timer;
  19 class Lock;
  20 }
  21
  22 namespace remoting {
  23 namespace test {
  24
  25 struct RemoteApplicationDetails;
  26 class TestChromotingClient;
  27
  28 // Allows for custom handling of ExtensionMessage messages.
  29 typedef base::Callback<void(const protocol::ExtensionMessage& message)>
  30     HostMessageReceivedCallback;
  31
  32 // Creates a connection to a remote host which is available for tests to use.
  33 // All callbacks must occur on the same thread the object was created on.
  34 class AppRemotingConnectionHelper
  35     : public RemoteConnectionObserver {
  36  public:
  37   AppRemotingConnectionHelper(
  38       const RemoteApplicationDetails& application_details);
  39   ~AppRemotingConnectionHelper() override;
  40
  41   // Initialize internal structures.
  42   void Initialize();
  43
  44   // Starts a connection with the remote host.
  45   bool StartConnection();
  46
  47   // Stubs used to send messages to the remote host.
  48   protocol::ClipboardStub* clipboard_forwarder();
  49   protocol::HostStub* host_stub();
  50   protocol::InputStub* input_stub();
  51
  52   // Setter for |host_message_received_callback_|.
  53   void SetHostMessageReceivedCallback(
  54       HostMessageReceivedCallback host_message_received_callback);
  55
  56   // Reset |host_message_received_callback_ to null|.
  57   void ResetHostMessageReceivedCallback();
  58
  59  private:
  60   // RemoteConnectionObserver interface.
  61   void ConnectionStateChanged(protocol::ConnectionToHost::State state,
  62                               protocol::ErrorCode error_code) override;
  63   void ConnectionReady(bool ready) override;
  64   void HostMessageReceived(const protocol::ExtensionMessage& message) override;
  65
  66   // Sends client details to the host in order to complete the connection.
  67   void SendClientConnectionDetailsToHost();
  68
  69   // Handles onWindowAdded messages from the host.
  70   void HandleOnWindowAddedMessage(
  71       const remoting::protocol::ExtensionMessage& message);
  72
  73   // Contains the details for the application being tested.
  74   const RemoteApplicationDetails& application_details_;
  75
  76   // Called when an ExtensionMessage is received from the host.  Used to
  77   // override default message handling.
  78   HostMessageReceivedCallback host_message_received_callback_;
  79
  80   // Indicates whether the remote connection is ready to be used for testing.
  81   // True when a chromoting connection to the remote host has been established
  82   // and the main application window is visible.
  83   bool connection_is_ready_for_tests_;
  84
  85   // Used to run the thread's message loop.
  86   scoped_ptr<base::RunLoop> run_loop_;
  87
  88   // Used for setting timeouts and delays.
  89   scoped_ptr<base::Timer> timer_;
  90
  91   // Used to ensure RemoteConnectionObserver methods are called on the same
  92   // thread.
  93   base::ThreadChecker thread_checker_;
  94
  95   // Creates and manages the connection to the remote host.
  96   scoped_ptr<TestChromotingClient> client_;
  97
  98   DISALLOW_COPY_AND_ASSIGN(AppRemotingConnectionHelper);
  99 };
 100
 101 }  // namespace test
 102 }  // namespace remoting
 103
 104 #endif  // REMOTING_TEST_APP_REMOTING_CONNECTION_HELPER_H_