D-Bus Clients for BlueZ 5 API

chromeos/dbus/experimental_bluetooth_agent_manager_client.cc

+// Copyright (c) 2013 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 "chromeos/dbus/experimental_bluetooth_agent_manager_client.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "dbus/bus.h"
+#include "dbus/message.h"
+#include "dbus/object_path.h"
+#include "dbus/object_proxy.h"
+#include "third_party/cros_system_api/dbus/service_constants.h"
+
+namespace chromeos {
+
+const char ExperimentalBluetoothAgentManagerClient::kNoResponseError[] =
+    "org.chromium.Error.NoResponse";
+
+// The ExperimentalBluetoothAgentManagerClient implementation used in
+// production.
+class ExperimentalBluetoothAgentManagerClientImpl
+    : public ExperimentalBluetoothAgentManagerClient {
+ public:
+  explicit ExperimentalBluetoothAgentManagerClientImpl(dbus::Bus* bus)
+      : bus_(bus),
+        weak_ptr_factory_(this) {
+    DCHECK(bus_);
+    object_proxy_ = bus_->GetObjectProxy(
+        bluetooth_agent_manager::kBluetoothAgentManagerServiceName,
+        dbus::ObjectPath(
+        bluetooth_agent_manager::kExperimentalBluetoothAgentManagerInterface));
+  }
+
+  virtual ~ExperimentalBluetoothAgentManagerClientImpl() {
+  }
+
+  // ExperimentalBluetoothAgentManagerClient override.
+  virtual void RegisterAgent(const dbus::ObjectPath& agent_path,
+                             const std::string& capability,
+                             const base::Closure& callback,
+                             const ErrorCallback& error_callback) OVERRIDE {
+    dbus::MethodCall method_call(
+    bluetooth_agent_manager::kExperimentalBluetoothAgentManagerInterface,
+    bluetooth_agent_manager::kRegisterAgent);
+
+    dbus::MessageWriter writer(&method_call);
+    writer.AppendObjectPath(agent_path);
+    writer.AppendString(capability);
+
+    object_proxy_->CallMethodWithErrorCallback(
+        &method_call,
+        dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&ExperimentalBluetoothAgentManagerClientImpl::OnSuccess,
+                   weak_ptr_factory_.GetWeakPtr(), callback),
+        base::Bind(&ExperimentalBluetoothAgentManagerClientImpl::OnError,
+                   weak_ptr_factory_.GetWeakPtr(), error_callback));
+  }
+
+  // ExperimentalBluetoothAgentManagerClient override.
+  virtual void UnregisterAgent(const dbus::ObjectPath& agent_path,
+                               const base::Closure& callback,
+                               const ErrorCallback& error_callback) OVERRIDE {
+    dbus::MethodCall method_call(
+        bluetooth_agent_manager::kExperimentalBluetoothAgentManagerInterface,
+        bluetooth_agent_manager::kUnregisterAgent);
+
+    dbus::MessageWriter writer(&method_call);
+    writer.AppendObjectPath(agent_path);
+
+    object_proxy_->CallMethodWithErrorCallback(
+        &method_call,
+        dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&ExperimentalBluetoothAgentManagerClientImpl::OnSuccess,
+                   weak_ptr_factory_.GetWeakPtr(), callback),
+        base::Bind(&ExperimentalBluetoothAgentManagerClientImpl::OnError,
+                   weak_ptr_factory_.GetWeakPtr(), error_callback));
+  }
+
+
+  // ExperimentalBluetoothAgentManagerClient override.
+  virtual void RequestDefaultAgent(const dbus::ObjectPath& agent_path,
+                                   const base::Closure& callback,
+                                   const ErrorCallback& error_callback)
+      OVERRIDE {
+    dbus::MethodCall method_call(
+        bluetooth_agent_manager::kExperimentalBluetoothAgentManagerInterface,
+        bluetooth_agent_manager::kRequestDefaultAgent);
+
+    dbus::MessageWriter writer(&method_call);
+    writer.AppendObjectPath(agent_path);
+
+    object_proxy_->CallMethodWithErrorCallback(
+        &method_call,
+        dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&ExperimentalBluetoothAgentManagerClientImpl::OnSuccess,
+                   weak_ptr_factory_.GetWeakPtr(), callback),
+        base::Bind(&ExperimentalBluetoothAgentManagerClientImpl::OnError,
+                   weak_ptr_factory_.GetWeakPtr(), error_callback));
+  }
+
+ private:
+  // Called when a response for successful method call is received.
+  void OnSuccess(const base::Closure& callback,
+                 dbus::Response* response) {
+    DCHECK(response);
+    callback.Run();
+  }
+
+  // Called when a response for a failed method call is received.
+  void OnError(const ErrorCallback& error_callback,
+               dbus::ErrorResponse* response) {
+    // Error response has optional error message argument.
+    std::string error_name;
+    std::string error_message;
+    if (response) {
+      dbus::MessageReader reader(response);
+      error_name = response->GetErrorName();
+      reader.PopString(&error_message);
+    } else {
+      error_name = kNoResponseError;
+      error_message = "";
+    }
+    error_callback.Run(error_name, error_message);
+  }
+
+  dbus::Bus* bus_;
+  dbus::ObjectProxy* object_proxy_;
+
+  // 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<ExperimentalBluetoothAgentManagerClientImpl>
+      weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExperimentalBluetoothAgentManagerClientImpl);
+};
+
+// The ExperimentalBluetoothAgentManagerClient implementation used on Linux
+// desktop, which does nothing.
+class ExperimentalBluetoothAgentManagerClientStubImpl
+    : public ExperimentalBluetoothAgentManagerClient {
+ public:
+  ExperimentalBluetoothAgentManagerClientStubImpl() {
+  }
+
+  // ExperimentalBluetoothAgentManagerClient override.
+  virtual void RegisterAgent(const dbus::ObjectPath& agent_path,
+                             const std::string& capability,
+                             const base::Closure& callback,
+                             const ErrorCallback& error_callback) OVERRIDE {
+    VLOG(1) << "RegisterAgent: " << agent_path.value();
+    error_callback.Run(kNoResponseError, "");
+  }
+
+  // ExperimentalBluetoothAgentManagerClient override.
+  virtual void UnregisterAgent(const dbus::ObjectPath& agent_path,
+                               const base::Closure& callback,
+                               const ErrorCallback& error_callback) OVERRIDE {
+    VLOG(1) << "UnregisterAgent: " << agent_path.value();
+    error_callback.Run(kNoResponseError, "");
+  }
+
+  // ExperimentalBluetoothAgentManagerClient override.
+  virtual void RequestDefaultAgent(const dbus::ObjectPath& agent_path,
+                                   const base::Closure& callback,
+                                   const ErrorCallback& error_callback)
+      OVERRIDE {
+    VLOG(1) << "RequestDefaultAgent: " << agent_path.value();
+    error_callback.Run(kNoResponseError, "");
+  }
+};
+
+ExperimentalBluetoothAgentManagerClient::
+    ExperimentalBluetoothAgentManagerClient() {
+}
+
+ExperimentalBluetoothAgentManagerClient::
+    ~ExperimentalBluetoothAgentManagerClient() {
+}
+
+ExperimentalBluetoothAgentManagerClient*
+    ExperimentalBluetoothAgentManagerClient::Create(
+        DBusClientImplementationType type,
+        dbus::Bus* bus) {
+  if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
+    return new ExperimentalBluetoothAgentManagerClientImpl(bus);
+  DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
+  return new ExperimentalBluetoothAgentManagerClientStubImpl();
+}
+
+}  // namespace chromeos