Manage profiles in BluetoothAdapter on ChromeOS

device/bluetooth/bluetooth_adapter_profile_chromeos.cc

+// Copyright 2015 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 "device/bluetooth/bluetooth_adapter_profile_chromeos.h"
+
+#include <string>
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/strings/string_util.h"
+#include "chromeos/dbus/bluetooth_profile_service_provider.h"
+#include "chromeos/dbus/dbus_thread_manager.h"
+#include "dbus/bus.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_adapter_chromeos.h"
+#include "device/bluetooth/bluetooth_uuid.h"
+
+namespace chromeos {
+
+// static
+BluetoothAdapterProfileChromeOS* BluetoothAdapterProfileChromeOS::Register(
+    BluetoothAdapterChromeOS* adapter,
+    const device::BluetoothUUID& uuid,
+    const BluetoothProfileManagerClient::Options& options,
+    const base::Closure& success_callback,
+    const BluetoothProfileManagerClient::ErrorCallback& error_callback) {
+  DCHECK(adapter);
+
+  BluetoothAdapterProfileChromeOS* profile =
+      new BluetoothAdapterProfileChromeOS(adapter, uuid);
+
+  VLOG(1) << "Registering profile: " << profile->object_path().value();
+  DBusThreadManager::Get()->GetBluetoothProfileManagerClient()->RegisterProfile(
+      profile->object_path(), uuid.canonical_value(), options, success_callback,
+      error_callback);
+
+  return profile;
+}
+
+BluetoothAdapterProfileChromeOS::BluetoothAdapterProfileChromeOS(
+    BluetoothAdapterChromeOS* adapter,
+    const device::BluetoothUUID& uuid)
+    : uuid_(uuid), adapter_(adapter), weak_ptr_factory_(this) {
+  std::string uuid_path;
+  base::ReplaceChars(uuid.canonical_value(), ":-", "_", &uuid_path);
+  object_path_ =
+      dbus::ObjectPath("/org/chromium/bluetooth_profile/" + uuid_path);
+
+  dbus::Bus* system_bus = DBusThreadManager::Get()->GetSystemBus();
+  profile_.reset(
+      BluetoothProfileServiceProvider::Create(system_bus, object_path_, this));
+  DCHECK(profile_.get());
+}
+
+BluetoothAdapterProfileChromeOS::~BluetoothAdapterProfileChromeOS() {
+  profile_.reset();
+}
+
+bool BluetoothAdapterProfileChromeOS::SetDelegate(
+    const dbus::ObjectPath& device_path,
+    BluetoothProfileServiceProvider::Delegate* delegate) {
+  DCHECK(delegate);
+  VLOG(1) << "SetDelegate: " << object_path_.value() << " dev "
+          << device_path.value();
+
+  if (delegates_.find(device_path.value()) != delegates_.end()) {
+    return false;
+  }
+
+  delegates_[device_path.value()] = delegate;
+  return true;
+}
+
+void BluetoothAdapterProfileChromeOS::RemoveDelegate(
+    const dbus::ObjectPath& device_path,
+    const base::Closure& unregistered_callback) {
+  VLOG(1) << object_path_.value() << " dev " << device_path.value()
+          << ": RemoveDelegate";
+
+  if (delegates_.find(device_path.value()) == delegates_.end())
+    return;
+
+  delegates_.erase(device_path.value());
+
+  if (delegates_.size() != 0)
+    return;
+
+  VLOG(1) << device_path.value() << " No delegates left, unregistering.";
+
+  // No users left, release the profile.
+  DBusThreadManager::Get()
+      ->GetBluetoothProfileManagerClient()
+      ->UnregisterProfile(
+          object_path_, unregistered_callback,
+          base::Bind(&BluetoothAdapterProfileChromeOS::OnUnregisterProfileError,
+                     weak_ptr_factory_.GetWeakPtr(), unregistered_callback));
+}
+
+void BluetoothAdapterProfileChromeOS::OnUnregisterProfileError(
+    const base::Closure& unregistered_callback,
+    const std::string& error_name,
+    const std::string& error_message) {
+  LOG(WARNING) << this->object_path().value()
+               << ": Failed to unregister profile: " << error_name << ": "
+               << error_message;
+
+  unregistered_callback.Run();
+}
+
+// BluetoothProfileServiceProvider::Delegate:
+void BluetoothAdapterProfileChromeOS::Released() {
+  VLOG(1) << object_path_.value() << ": Release";
+}
+
+void BluetoothAdapterProfileChromeOS::NewConnection(
+    const dbus::ObjectPath& device_path,
+    scoped_ptr<dbus::FileDescriptor> fd,
+    const BluetoothProfileServiceProvider::Delegate::Options& options,
+    const ConfirmationCallback& callback) {
+  dbus::ObjectPath delegate_path = device_path;
+
+  if (delegates_.find(device_path.value()) == delegates_.end())
+    delegate_path = dbus::ObjectPath("");
+
+  if (delegates_.find(delegate_path.value()) == delegates_.end()) {
+    VLOG(1) << object_path_.value() << ": New connection for device "
+            << device_path.value() << " which has no delegates!";
+    callback.Run(REJECTED);
+    return;
+  }
+
+  delegates_[delegate_path.value()]->NewConnection(device_path, fd.Pass(),
+                                                   options, callback);
+}
+
+void BluetoothAdapterProfileChromeOS::RequestDisconnection(
+    const dbus::ObjectPath& device_path,
+    const ConfirmationCallback& callback) {
+  dbus::ObjectPath delegate_path = device_path;
+
+  if (delegates_.find(device_path.value()) == delegates_.end())
+    delegate_path = dbus::ObjectPath("");
+
+  if (delegates_.find(delegate_path.value()) == delegates_.end()) {
+    VLOG(1) << object_path_.value() << ": RequestDisconnection for device "
+            << device_path.value() << " which has no delegates!";
+    return;
+  }
+
+  delegates_[delegate_path.value()]->RequestDisconnection(device_path,
+                                                          callback);
+}
+
+void BluetoothAdapterProfileChromeOS::Cancel() {
+  // Cancel() should only go to a delegate accepting connections.
+  if (delegates_.find("") == delegates_.end()) {
+    VLOG(1) << object_path_.value() << ": Cancel with no delegate!";
+    return;
+  }
+
+  delegates_[""]->Cancel();
+}
+
+}  // namespace chromeos