DBus changes for implementing local GATT attributes.

device/bluetooth/dbus/bluetooth_gatt_service_service_provider_impl.h

+// Copyright 2016 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 DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_SERVICE_SERVICE_PROVIDER_IMPL_H_
+#define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_SERVICE_SERVICE_PROVIDER_IMPL_H_
+
+#include <string>
+#include <vector>
+
+#include <base/macros.h>
+#include <base/memory/ref_counted.h>
+#include <base/memory/weak_ptr.h>
+#include <base/threading/platform_thread.h>
+#include <dbus/bus.h>
+#include <dbus/exported_object.h>
+#include <dbus/message.h>
+#include <dbus/object_path.h>
+#include <device/bluetooth/dbus/bluetooth_gatt_service_service_provider.h>
+
+namespace bluez {
+
+// The BluetoothGattServiceServiceProvider implementation used in production.
+class DEVICE_BLUETOOTH_EXPORT BluetoothGattServiceServiceProviderImpl
+    : public BluetoothGattServiceServiceProvider {
+ public:
+  BluetoothGattServiceServiceProviderImpl(
+      dbus::Bus* bus,
+      const dbus::ObjectPath& object_path,
+      const std::string& uuid,
+      const std::vector<dbus::ObjectPath>& includes);
+
+  ~BluetoothGattServiceServiceProviderImpl() override;
+
+  // For testing.
+  BluetoothGattServiceServiceProviderImpl(const dbus::ObjectPath& object_path,
+                                          const std::string& uuid);
+
+ private:
+  // Returns true if the current thread is on the origin thread.
+  bool OnOriginThread();
+
+  // Called by dbus:: when the Bluetooth daemon fetches a single property of
+  // the service.
+  void Get(dbus::MethodCall* method_call,
+           dbus::ExportedObject::ResponseSender response_sender);
+
+  // Called by dbus:: when the Bluetooth daemon sets a single property of the
+  // service.
+  void Set(dbus::MethodCall* method_call,
+           dbus::ExportedObject::ResponseSender response_sender);
+
+  // Called by dbus:: when the Bluetooth daemon fetches all properties of the
+  // service.
+  void GetAll(dbus::MethodCall* method_call,
+              dbus::ExportedObject::ResponseSender response_sender);
+
+  void WriteProperties(dbus::MessageWriter* writer) override;
+
+  // Called by dbus:: when a method is exported.
+  void OnExported(const std::string& interface_name,
+                  const std::string& method_name,
+                  bool success);
+
+  const dbus::ObjectPath& object_path() const override;
+
+  // Origin thread (i.e. the UI thread in production).
+  base::PlatformThreadId origin_thread_id_;
+
+  // 128-bit service UUID of this object.
+  std::string uuid_;
+
+  // List of object paths that represent other exported GATT services that are
+  // included from this service.
+  std::vector<dbus::ObjectPath> includes_;
+
+  // D-Bus bus object is exported on, not owned by this object and must
+  // outlive it.
+  dbus::Bus* bus_;
+
+  // D-Bus object path of object we are exporting, kept so we can unregister
+  // again in our destructor.
+  dbus::ObjectPath object_path_;
+
+  // D-Bus object we are exporting, owned by this object.
+  scoped_refptr<dbus::ExportedObject> exported_object_;
+
+  // Weak pointer factory for generating 'this' pointers that might live longer
+  // than we do.
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<BluetoothGattServiceServiceProviderImpl>
+      weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothGattServiceServiceProviderImpl);
+};
+
+}  // namespace bluez
+
+#endif  // DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_SERVICE_SERVICE_PROVIDER_IMPL_H_