remoting/host/fake_host_extension.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 REMOTING_HOST_FAKE_HOST_EXTENSION_H_
   6 #define REMOTING_HOST_FAKE_HOST_EXTENSION_H_
   7
   8 #include <string>
   9
  10 #include "remoting/host/host_extension.h"
  11
  12 namespace remoting {
  13
  14 class ClientSessionControl;
  15 class HostExtensionSession;
  16
  17 namespace protocol {
  18 class ClientStub;
  19 }
  20
  21 // |HostExtension| implementation that can report a specified capability, and
  22 // reports messages matching a specified type as having been handled.
  23 class FakeExtension : public HostExtension {
  24  public:
  25   FakeExtension(const std::string& message_type,
  26                 const std::string& capability);
  27   ~FakeExtension() override;
  28
  29   // HostExtension interface.
  30   std::string capability() const override;
  31   scoped_ptr<HostExtensionSession> CreateExtensionSession(
  32       ClientSessionControl* client_session_control,
  33       protocol::ClientStub* client_stub) override;
  34
  35   // Controls for testing.
  36   void set_steal_video_capturer(bool steal_video_capturer) {
  37     steal_video_capturer_ = steal_video_capturer;
  38   }
  39
  40   // Accessors for testing.
  41   bool has_handled_message() const { return has_handled_message_; }
  42   bool has_wrapped_video_encoder() const { return has_wrapped_video_encoder_; }
  43   bool has_wrapped_video_capturer() const {
  44     return has_wrapped_video_capturer_;
  45   }
  46   bool was_instantiated() const { return was_instantiated_; }
  47
  48  private:
  49   class Session;
  50   friend class Session;
  51
  52   // The type name of extension messages that this fake consumes.
  53   std::string message_type_;
  54
  55   // The capability this fake reports, and requires clients to support, if any.
  56   std::string capability_;
  57
  58   // True if this extension should intercept creation of the session's video
  59   // capturer and consume it, preventing the video pipeline being created.
  60   bool steal_video_capturer_;
  61
  62   // True if a message of |message_type_| has been processed by this extension.
  63   bool has_handled_message_;
  64
  65   // True if this extension had the opportunity to modify the video pipeline.
  66   bool has_wrapped_video_encoder_;
  67   bool has_wrapped_video_capturer_;
  68
  69   // True if CreateExtensionSession() was called on this extension.
  70   bool was_instantiated_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(FakeExtension);
  73 };
  74
  75 } // namespace remoting
  76
  77 #endif  // REMOTING_HOST_FAKE_HOST_EXTENSION_H_