Implement DBus changes needed for notifications.

device/bluetooth/dbus/fake_bluetooth_gatt_characteristic_service_provider.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 "device/bluetooth/dbus/fake_bluetooth_gatt_characteristic_service_provider.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/callback.h"
@@ skipping 36 matching lines @@
   if (find(flags.begin(), flags.end(),
            bluetooth_gatt_characteristic::kFlagEncryptRead) != flags.end())
     return true;
   if (find(flags.begin(), flags.end(),
            bluetooth_gatt_characteristic::kFlagEncryptAuthenticatedRead) !=
       flags.end())
     return true;
   return false;
 }
 
+bool CanNotify(const std::vector<std::string>& flags) {
+  if (find(flags.begin(), flags.end(),
+           bluetooth_gatt_characteristic::kFlagNotify) != flags.end())
+    return true;
+  if (find(flags.begin(), flags.end(),
+           bluetooth_gatt_characteristic::kFlagIndicate) != flags.end())
+    return true;
+  return false;
+}
+
 }  // namespace
 
 FakeBluetoothGattCharacteristicServiceProvider::
     FakeBluetoothGattCharacteristicServiceProvider(
         const dbus::ObjectPath& object_path,
         std::unique_ptr<BluetoothGattAttributeValueDelegate> delegate,
         const std::string& uuid,
         const std::vector<std::string>& flags,
         const dbus::ObjectPath& service_path)
     : object_path_(object_path),
@@ skipping 25 matching lines @@
       static_cast<FakeBluetoothGattManagerClient*>(
           bluez::BluezDBusManager::Get()->GetBluetoothGattManagerClient());
   fake_bluetooth_gatt_manager_client->UnregisterCharacteristicServiceProvider(
       this);
 }
 
 void FakeBluetoothGattCharacteristicServiceProvider::SendValueChanged(
     const std::vector<uint8_t>& value) {
   VLOG(1) << "Sent characteristic value changed: " << object_path_.value()
           << " UUID: " << uuid_;
+  sent_value_ = value;
 }
 
 void FakeBluetoothGattCharacteristicServiceProvider::GetValue(
     const device::BluetoothLocalGattService::Delegate::ValueCallback& callback,
     const device::BluetoothLocalGattService::Delegate::ErrorCallback&
         error_callback) {
   VLOG(1) << "GATT characteristic value Get request: " << object_path_.value()
           << " UUID: " << uuid_;
   // Check if this characteristic is registered.
   FakeBluetoothGattManagerClient* fake_bluetooth_gatt_manager_client =
@@ skipping 37 matching lines @@
     VLOG(1) << "GATT characteristic not writeable.";
     error_callback.Run();
     return;
   }
 
   // Pass on to the delegate.
   DCHECK(delegate_);
   delegate_->SetValue(value, callback, error_callback);
 }
 
+bool FakeBluetoothGattCharacteristicServiceProvider::NotificationsChange(
+    bool start) {
+  VLOG(1) << "GATT characteristic value notification request: "
+          << object_path_.value() << " UUID: " << uuid_ << " start=" << start;
+  // Check if this characteristic is registered.
+  FakeBluetoothGattManagerClient* fake_bluetooth_gatt_manager_client =
+      static_cast<FakeBluetoothGattManagerClient*>(
+          bluez::BluezDBusManager::Get()->GetBluetoothGattManagerClient());
+  if (!fake_bluetooth_gatt_manager_client->IsServiceRegistered(service_path_)) {
+    VLOG(1) << "GATT characteristic not registered.";
+    return false;
+  }
+
+  if (!CanNotify(flags_)) {
+    VLOG(1) << "GATT characteristic not notifiable.";
+    return false;
+  }
+
+  // Pass on to the delegate.
+  DCHECK(delegate_);
+  start ? delegate_->StartNotifications() : delegate_->StopNotifications();
+
+  return true;
+}
+
 const dbus::ObjectPath&
 FakeBluetoothGattCharacteristicServiceProvider::object_path() const {
   return object_path_;
 }
 
 }  // namespace bluez