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Unified Diff: device/bluetooth/dbus/bluetooth_gatt_descriptor_service_provider.h

Issue 1920693002: Complete //device/bt implementation for hosting local GATT attributes. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 months ago
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Index: device/bluetooth/dbus/bluetooth_gatt_descriptor_service_provider.h
diff --git a/device/bluetooth/dbus/bluetooth_gatt_descriptor_service_provider.h b/device/bluetooth/dbus/bluetooth_gatt_descriptor_service_provider.h
index b9e495913fafe146603ecbbe91f4a77fe4443ace..0ddf375ac3b257711e9fec05a15495a35a3461af 100644
--- a/device/bluetooth/dbus/bluetooth_gatt_descriptor_service_provider.h
+++ b/device/bluetooth/dbus/bluetooth_gatt_descriptor_service_provider.h
@@ -6,15 +6,15 @@
#define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_DESCRIPTOR_SERVICE_PROVIDER_H_
#include <stdint.h>
-
#include <string>
#include <vector>
-#include "base/callback.h"
#include "base/macros.h"
#include "dbus/bus.h"
+#include "dbus/message.h"
#include "dbus/object_path.h"
#include "device/bluetooth/bluetooth_export.h"
+#include "device/bluetooth/bluez/bluetooth_gatt_service_bluez.h"
namespace bluez {
@@ -34,50 +34,20 @@ namespace bluez {
// "Value" property.
class DEVICE_BLUETOOTH_EXPORT BluetoothGattDescriptorServiceProvider {
public:
- // Interface for reacting to GATT characteristic descriptor value requests.
- class Delegate {
- public:
- virtual ~Delegate() {}
-
- // ValueCallback is used for methods that require a descriptor value
- // to be returned.
- typedef base::Callback<void(const std::vector<uint8_t>&)> ValueCallback;
-
- // ErrorCallback is used by methods to report failure.
- typedef base::Closure ErrorCallback;
-
- // This method will be called when a remote device requests to read the
- // value of the exported GATT descriptor. Invoke |callback| with a value
- // to return that value to the requester. Invoke |error_callback| to report
- // a failure to read the value. This can happen, for example, if the
- // descriptor has no read permission set. Either callback should be
- // invoked after a reasonable amount of time, since the request will time
- // out if left pending for too long.
- virtual void GetDescriptorValue(const ValueCallback& callback,
- const ErrorCallback& error_callback) = 0;
-
- // This method will be called, when a remote device requests to write the
- // value of the exported GATT descriptor. Invoke |callback| to report
- // that the value was successfully written. Invoke |error_callback| to
- // report a failure to write the value. This can happen, for example, if the
- // descriptor has no write permission set. Either callback should be
- // invoked after a reasonable amount of time, since the request will time
- // out if left pending for too long.
- //
- // The delegate should use this method to perform any side-effects that may
- // occur based on the set value and potentially send a property changed
- // signal to notify the Bluetooth daemon that the value has changed.
- virtual void SetDescriptorValue(const std::vector<uint8_t>& value,
- const base::Closure& callback,
- const ErrorCallback& error_callback) = 0;
- };
-
virtual ~BluetoothGattDescriptorServiceProvider();
// Send a PropertyChanged signal to notify the Bluetooth daemon that the value
// of the "Value" property has changed to |value|.
virtual void SendValueChanged(const std::vector<uint8_t>& value) = 0;
+ // Writes the descriptor's properties into the provided writer. If
+ // value is not null, it is written also, otherwise no value property is
+ // written.
+ virtual void WriteProperties(dbus::MessageWriter* writer,
+ const std::vector<uint8_t>* value) {}
+
+ virtual const dbus::ObjectPath& object_path() const = 0;
+
// Creates the instance, where |bus| is the D-Bus bus connection to export
// the object onto, |uuid| is the 128-bit GATT descriptor UUID, |permissions|
// is the list of attribute permissions, |characteristic_path| is the object
@@ -94,7 +64,7 @@ class DEVICE_BLUETOOTH_EXPORT BluetoothGattDescriptorServiceProvider {
static BluetoothGattDescriptorServiceProvider* Create(
dbus::Bus* bus,
const dbus::ObjectPath& object_path,
- Delegate* delegate,
+ BluetoothGattServiceBlueZ::AttributeValueDelegate* delegate,
const std::string& uuid,
const std::vector<std::string>& permissions,
const dbus::ObjectPath& characteristic_path);

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