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

chromeos/dbus/fake_bluetooth_media_transport_client.cc

 // 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.
 
 #include "chromeos/dbus/fake_bluetooth_media_transport_client.h"
 
+#include <sstream>
+
 #include "base/bind.h"
+#include "base/stl_util.h"
 #include "chromeos/dbus/bluetooth_media_client.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
+#include "chromeos/dbus/fake_bluetooth_adapter_client.h"
 #include "chromeos/dbus/fake_bluetooth_media_client.h"
+#include "chromeos/dbus/fake_bluetooth_media_endpoint_service_provider.h"
 
 using dbus::ObjectPath;
 
 namespace {
 
 // TODO(mcchou): Remove this constants once it is in cros_system_api.
 const char kBluetoothMediaTransportInterface[] = "org.bluez.MediaTransport1";
 const char kNotImplemented[] = "org.bluez.NotImplemented";
 
+ObjectPath GenerateTransportPath() {
+  static unsigned int sequence_number = 0;
+  ++sequence_number;
+  std::stringstream path;
+  path << chromeos::FakeBluetoothAdapterClient::kAdapterPath
+       << chromeos::FakeBluetoothMediaTransportClient::kTransportDevicePath
+       << "/fd" << sequence_number;
+  return ObjectPath(path.str());
+}
+
 }  // namespace
 
 namespace chromeos {
 
 // static
-const char FakeBluetoothMediaTransportClient::kTransportPath[] =
-    "/fake/hci0/dev_00_00_00_00_00_00/fd0";
 const char FakeBluetoothMediaTransportClient::kTransportDevicePath[] =
-    "/fake/hci0/dev_00_00_00_00_00_00";
+    "/fake_audio_source";
 const uint8_t FakeBluetoothMediaTransportClient::kTransportCodec = 0x00;
 const std::vector<uint8_t>
     FakeBluetoothMediaTransportClient::kTransportConfiguration = {
         0x21, 0x15, 0x33, 0x2C};
 const uint16_t FakeBluetoothMediaTransportClient::kTransportDelay = 5;
 const uint16_t FakeBluetoothMediaTransportClient::kTransportVolume = 10;
 
 FakeBluetoothMediaTransportClient::Properties::Properties(
     const PropertyChangedCallback& callback)
     : BluetoothMediaTransportClient::Properties(
@@ skipping 18 matching lines @@
   VLOG(1) << "GetAll called.";
 }
 
 void FakeBluetoothMediaTransportClient::Properties::Set(
     dbus::PropertyBase* property,
     dbus::PropertySet::SetCallback callback) {
   VLOG(1) << "Set " << property->name();
   callback.Run(false);
 }
 
-FakeBluetoothMediaTransportClient::FakeBluetoothMediaTransportClient()
-    : object_path_(ObjectPath(kTransportPath)) {
+FakeBluetoothMediaTransportClient::FakeBluetoothMediaTransportClient() {
   // TODO(mcchou): Multiple endpoints are sharing one property set for now.
   // Add property sets accordingly to separate the
   // MediaTransportPropertiesChanged events for different endpoints.
 
   // Sets fake property set with default values.
   properties_.reset(new Properties(
       base::Bind(&FakeBluetoothMediaTransportClient::OnPropertyChanged,
                  base::Unretained(this))));
   properties_->device.ReplaceValue(ObjectPath(kTransportDevicePath));
   properties_->uuid.ReplaceValue(BluetoothMediaClient::kBluetoothAudioSinkUUID);
@@ skipping 44 matching lines @@
 }
 
 void FakeBluetoothMediaTransportClient::Release(
     const ObjectPath& object_path,
     const base::Closure& callback,
     const ErrorCallback& error_callback) {
   error_callback.Run(kNotImplemented, "");
 }
 
 void FakeBluetoothMediaTransportClient::SetValid(
-    const ObjectPath& endpoint_path,
+    FakeBluetoothMediaEndpointServiceProvider* endpoint,
     bool valid) {
+  FakeBluetoothMediaClient* media = static_cast<FakeBluetoothMediaClient*>(
+      DBusThreadManager::Get()->GetBluetoothMediaClient());
+  DCHECK(media);
+
+  ObjectPath endpoint_path(endpoint->object_path());
+  if (!media->IsRegistered(endpoint_path))
+    return;
+
   if (valid) {
-    endpoints_[endpoint_path] = valid;
+    ObjectPath transport_path = GenerateTransportPath();
+    VLOG(1) << "New transport, " << transport_path.value()
+            << " is created for endpoint " << endpoint_path.value();
+    endpoints_[endpoint_path] = transport_path;
     return;
   }
-  endpoints_.erase(endpoint_path);
-
-  // TODO(mcchou): Since there is only one transport path, all observers will
-  // be notified. Shades irrelevant observers.
 
   // Notifies observers about the state change of the transport.
   FOR_EACH_OBSERVER(BluetoothMediaTransportClient::Observer, observers_,
-                    MediaTransportRemoved(object_path_));
+                    MediaTransportRemoved(endpoints_[endpoint_path]));
+  endpoints_.erase(endpoint_path);
+  endpoint->ClearConfiguration(GetTransportPath(endpoint_path));
+}
+
+ObjectPath FakeBluetoothMediaTransportClient::GetTransportPath(
+    const ObjectPath& endpoint_path) {
+  if (ContainsKey(endpoints_, endpoint_path))
+    return endpoints_[endpoint_path];
+  return ObjectPath("");
 }
 
 void FakeBluetoothMediaTransportClient::OnPropertyChanged(
     const std::string& property_name) {
   VLOG(1) << "Property " << property_name << " changed";
 }
 
 }  // namespace chromeos