1 files changed, 107 insertions, 0 deletions
diff --git a/chromeos/dbus/bluetooth_media_client.h b/chromeos/dbus/bluetooth_media_client.h
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+++ b/chromeos/dbus/bluetooth_media_client.h
@@ -0,0 +1,107 @@
+// 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.
+
+#ifndef CHROMEOS_DBUS_BLUETOOTH_MEDIA_CLIENT_H_
+#define CHROMEOS_DBUS_BLUETOOTH_MEDIA_CLIENT_H_
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "base/callback.h"
+#include "base/values.h"
+#include "chromeos/chromeos_export.h"
+#include "chromeos/dbus/dbus_client.h"
+#include "dbus/object_path.h"
+#include "dbus/property.h"
+
+namespace chromeos {
+
+// BluetoothMediaClient is used to communicate with the Media interface of a
+// local Bluetooth adapter.
+class CHROMEOS_EXPORT BluetoothMediaClient : public DBusClient {
+ public:
+  // Properties used to register a Media Endpoint.
+  struct CHROMEOS_EXPORT EndpointProperties {
+    EndpointProperties();
+    ~EndpointProperties();
+
+    // UUID of the profile implemented by the endpoint.
+    std::string uuid;
+
+    // Assigned codec value supported by the endpoint. The byte should match the
+    // codec specification indicated by the UUID.
+    // Since SBC codec is mandatory for A2DP, the default value of codec should
+    // be 0x00.
+    uint8_t codec;
+
+    // Capabilities of the endpoints. The order of bytes should match the bit
+    // arrangement in the specification indicated by the UUID.
+    std::vector<uint8_t> capabilities;
+  };
+
+  class Observer {
+   public:
+    virtual ~Observer() {}
+
+    // Called when the Media object with object path |object_path| is added to
+    // the system.
+    virtual void MediaAdded(const dbus::ObjectPath& object_path) {}
+
+    // Called when the Media object with object path |object_path| is removed
+    // from the system.
+    virtual void MediaRemoved(const dbus::ObjectPath& object_path) {}
+  };
+
+  // Constants used to indicate exceptional error conditions.
+  static const char kNoResponseError[];
+
+  // The string representation for the 128-bit UUID for A2DP Sink.
+  static const char kBluetoothAudioSinkUUID[];
+
+  ~BluetoothMediaClient() override;
+
+  // The ErrorCallback is used by media API methods to indicate failure.
+  // It receives two arguments: the name of the error in |error_name| and
+  // an optional message in |error_message|.
+  typedef base::Callback<void(const std::string& error_name,
+                              const std::string& error_message)> ErrorCallback;
+
+  // Adds and removes observers for events on all Media objects. Check the
+  // |object_path| parameter of observer methods to determine which Media object
+  // is issuing the event.
+  virtual void AddObserver(Observer* observer) = 0;
+  virtual void RemoveObserver(Observer* observer) = 0;
+
+  // Registers a media endpoint to sender at the D-Bus object path
+  // |endpoint_path|. |properties| specifies profile UUID which the endpoint is
+  // for, Codec implemented by the endpoint and the Capabilities of the
+  // endpoint.
+  virtual void RegisterEndpoint(const dbus::ObjectPath& object_path,
+                                const dbus::ObjectPath& endpoint_path,
+                                const EndpointProperties& properties,
+                                const base::Closure& callback,
+                                const ErrorCallback& error_callback) = 0;
+
+  // Unregisters the media endpoint with the D-Bus object path |endpoint_path|.
+  virtual void UnregisterEndpoint(const dbus::ObjectPath& object_path,
+                                  const dbus::ObjectPath& endpoint_path,
+                                  const base::Closure& callback,
+                                  const ErrorCallback& error_callback) = 0;
+
+  // TODO(mcchou): The RegisterPlayer and UnregisterPlayer methods are not
+  // included, since they are not used. These two methods may be added later.
+
+  static BluetoothMediaClient* Create();
+
+ protected:
+  BluetoothMediaClient();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BluetoothMediaClient);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_DBUS_BLUETOOTH_MEDIA_CLIENT_H_