device/bluetooth: Implement Unregister() of BlueotoothAudioSinkChromeOS and disconnection-related c…

chromeos/dbus/fake_bluetooth_media_transport_client.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_DBUS_FAKE_BLUETOOTH_MEDIA_TRANSPORT_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_BLUETOOTH_MEDIA_TRANSPORT_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/dbus/bluetooth_media_transport_client.h"
 #include "dbus/object_path.h"
 
 namespace chromeos {
 
+class FakeBluetoothMediaEndpointServiceProvider;
+
 class CHROMEOS_EXPORT FakeBluetoothMediaTransportClient
     : public BluetoothMediaTransportClient {
  public:
   struct Properties : public BluetoothMediaTransportClient::Properties {
     explicit Properties(const PropertyChangedCallback& callback);
     ~Properties() override;
 
     void Get(dbus::PropertyBase* property,
              dbus::PropertySet::GetCallback callback) override;
     void GetAll() override;
     void Set(dbus::PropertyBase* property,
              dbus::PropertySet::SetCallback callback) override;
   };
 
+  class Transport {

[armansito, 2015/02/26 04:23:08]

Make this class private. As in, move it below the "private:" directive within
the parent class:

class FakeBluetoothMediaTransportClient {
 public:
  ...
 private:
  ...
  class Transport {
    ...
  };
  ...
};

Also add a description of what this class does right above it.

[Miao, 2015/02/26 04:41:50]

Done.

+   public:
+    Transport(const dbus::ObjectPath& transport_path,
+              Properties* transport_properties);
+    ~Transport();
+
+    dbus::ObjectPath path;
+    scoped_ptr<Properties> properties;
+  };
+
   // The default path of the transport object.
   static const char kTransportPath[];
 
   // The default properties including device, codec, configuration, state, delay
   // and volume, owned by a fake media transport object we emulate.
   static const char kTransportDevicePath[];
   static const uint8_t kTransportCodec;
   static const std::vector<uint8_t> kTransportConfiguration;
   static const uint16_t kTransportDelay;
   static const uint16_t kTransportVolume;
@@ skipping 11 matching lines @@
   void Acquire(const dbus::ObjectPath& object_path,
                const AcquireCallback& callback,
                const ErrorCallback& error_callback) override;
   void TryAcquire(const dbus::ObjectPath& object_path,
                   const AcquireCallback& callback,
                   const ErrorCallback& error_callback) override;
   void Release(const dbus::ObjectPath& object_path,
                const base::Closure& callback,
                const ErrorCallback& error_callback) override;
 
-  // Makes the transport valid/invalid for a given media endpoint path. The
-  // transport object is assigned to the given endpoint if valid is true, false
+  // Makes the transport valid/invalid for a given media endpoint. The transport
+  // object is assigned to the given endpoint if valid is true, false
   // otherwise.
-  void SetValid(const dbus::ObjectPath& endpoint_path, bool valid);
+  void SetValid(FakeBluetoothMediaEndpointServiceProvider* endpoint,
+                bool valid);
+
+  // Set state/volume property to a certain value.
+  void SetState(const dbus::ObjectPath& endpoint_path,
+                const std::string& state);
+  void SetVolume(const dbus::ObjectPath& endpoint_path,
+                 const uint16_t& volume);
+
+  // Gets the transport path associated with the given endpoint path.
+  dbus::ObjectPath GetTransportPath(const dbus::ObjectPath& endpoint_path);
+
+  // Gets the endpoint path associated with the given transport_path.
+  dbus::ObjectPath GetEndpointPath(const dbus::ObjectPath& transport_path);
 
  private:
   // Property callback passed while a Properties structure is created.
   void OnPropertyChanged(const std::string& property_name);
 
+  // Map of endpoints with valid transport. Each pair is composed of an endpoint
+  // path and a Transport structure containing a transport path and its
+  // properties.
+  std::map<dbus::ObjectPath, Transport*> endpoint_to_transport_map_;
+
+  // Map of valid transports. Each pair is composed of a transport path as the
+  // key and an endpoint path as the value. This map is used to get the
+  // corresponding endpoint path when GetProperties() is called.
+  std::map<dbus::ObjectPath, dbus::ObjectPath> transport_to_endpoint_map_;
+
   // The path of the media transport object.
   dbus::ObjectPath object_path_;
 
-  // Indicates whether endpoints are assigned with the transport object.
-  std::map<dbus::ObjectPath, bool> endpoints_;
-
-  // The fake property set of the media transport object.
-  scoped_ptr<Properties> properties_;
-
   ObserverList<BluetoothMediaTransportClient::Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeBluetoothMediaTransportClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_BLUETOOTH_MEDIA_TRANSPORT_CLIENT_H_