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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chromeos/dbus/fake_bluetooth_gatt_descriptor_service_provider.h"
      6 
      7 #include "base/logging.h"
      8 #include "base/strings/string_util.h"
      9 #include "chromeos/dbus/dbus_thread_manager.h"
     10 #include "chromeos/dbus/fake_bluetooth_gatt_characteristic_service_provider.h"
     11 #include "chromeos/dbus/fake_bluetooth_gatt_manager_client.h"
     12 
     13 namespace chromeos {
     14 
     15 FakeBluetoothGattDescriptorServiceProvider::
     16     FakeBluetoothGattDescriptorServiceProvider(
     17         const dbus::ObjectPath& object_path,
     18         Delegate* delegate,
     19         const std::string& uuid,
     20         const std::vector<std::string>& permissions,
     21         const dbus::ObjectPath& characteristic_path)
     22         : object_path_(object_path),
     23           uuid_(uuid),
     24           characteristic_path_(characteristic_path),
     25           delegate_(delegate) {
     26   VLOG(1) << "Creating Bluetooth GATT descriptor: " << object_path_.value();
     27 
     28   DCHECK(object_path_.IsValid());
     29   DCHECK(characteristic_path_.IsValid());
     30   DCHECK(!uuid.empty());
     31   DCHECK(delegate_);
     32   DCHECK(StartsWithASCII(
     33       object_path_.value(), characteristic_path_.value() + "/", true));
     34 
     35   // TODO(armansito): Do something with |permissions|.
     36 
     37   FakeBluetoothGattManagerClient* fake_bluetooth_gatt_manager_client =
     38       static_cast<FakeBluetoothGattManagerClient*>(
     39           DBusThreadManager::Get()->GetBluetoothGattManagerClient());
     40   fake_bluetooth_gatt_manager_client->
     41       RegisterDescriptorServiceProvider(this);
     42 }
     43 
     44 FakeBluetoothGattDescriptorServiceProvider::
     45     ~FakeBluetoothGattDescriptorServiceProvider() {
     46   VLOG(1) << "Cleaning up Bluetooth GATT descriptor: "
     47           << object_path_.value();
     48 
     49   FakeBluetoothGattManagerClient* fake_bluetooth_gatt_manager_client =
     50       static_cast<FakeBluetoothGattManagerClient*>(
     51           DBusThreadManager::Get()->GetBluetoothGattManagerClient());
     52   fake_bluetooth_gatt_manager_client->
     53       UnregisterDescriptorServiceProvider(this);
     54 }
     55 
     56 void FakeBluetoothGattDescriptorServiceProvider::SendValueChanged(
     57     const std::vector<uint8>& value) {
     58   VLOG(1) << "Sent descriptor value changed: " << object_path_.value()
     59           << " UUID: " << uuid_;
     60 }
     61 
     62 void FakeBluetoothGattDescriptorServiceProvider::GetValue(
     63     const Delegate::ValueCallback& callback,
     64     const Delegate::ErrorCallback& error_callback) {
     65   VLOG(1) << "GATT descriptor value Get request: " << object_path_.value()
     66           << " UUID: " << uuid_;
     67 
     68   // Check if this descriptor is registered.
     69   FakeBluetoothGattManagerClient* fake_bluetooth_gatt_manager_client =
     70       static_cast<FakeBluetoothGattManagerClient*>(
     71           DBusThreadManager::Get()->GetBluetoothGattManagerClient());
     72   FakeBluetoothGattCharacteristicServiceProvider* characteristic =
     73       fake_bluetooth_gatt_manager_client->GetCharacteristicServiceProvider(
     74           characteristic_path_);
     75   if (!characteristic) {
     76     VLOG(1) << "GATT characteristic for descriptor does not exist: "
     77             << characteristic_path_.value();
     78     return;
     79   }
     80   if (!fake_bluetooth_gatt_manager_client->IsServiceRegistered(
     81           characteristic->service_path())) {
     82     VLOG(1) << "GATT descriptor not registered.";
     83     error_callback.Run();
     84     return;
     85   }
     86 
     87   // Pass on to the delegate.
     88   DCHECK(delegate_);
     89   delegate_->GetDescriptorValue(callback, error_callback);
     90 }
     91 
     92 void FakeBluetoothGattDescriptorServiceProvider::SetValue(
     93     const std::vector<uint8>& value,
     94     const base::Closure& callback,
     95     const Delegate::ErrorCallback& error_callback) {
     96   VLOG(1) << "GATT descriptor value Set request: " << object_path_.value()
     97           << " UUID: " << uuid_;
     98 
     99   // Check if this descriptor is registered.
    100   FakeBluetoothGattManagerClient* fake_bluetooth_gatt_manager_client =
    101       static_cast<FakeBluetoothGattManagerClient*>(
    102           DBusThreadManager::Get()->GetBluetoothGattManagerClient());
    103   FakeBluetoothGattCharacteristicServiceProvider* characteristic =
    104       fake_bluetooth_gatt_manager_client->GetCharacteristicServiceProvider(
    105           characteristic_path_);
    106   if (!characteristic) {
    107     VLOG(1) << "GATT characteristic for descriptor does not exist: "
    108             << characteristic_path_.value();
    109     return;
    110   }
    111   if (!fake_bluetooth_gatt_manager_client->IsServiceRegistered(
    112           characteristic->service_path())) {
    113     VLOG(1) << "GATT descriptor not registered.";
    114     error_callback.Run();
    115     return;
    116   }
    117 
    118   // Pass on to the delegate.
    119   DCHECK(delegate_);
    120   delegate_->SetDescriptorValue(value, callback, error_callback);
    121 }
    122 
    123 }  // namespace chromeos
    124