Add semi-generated glue for dbus_objectmanager interface

BUG=chromium-os:26650
TEST=unit tests pass.  no tests for glue code (matching dbus_properties glue code)

Change-Id: Idd31c4225a488a84b09b6bf28e44842281104d59
Reviewed-on: https://gerrit.chromium.org/gerrit/16998
Commit-Ready: David Rochberg <rochberg@chromium.org>
Reviewed-by: David Rochberg <rochberg@chromium.org>
Tested-by: David Rochberg <rochberg@chromium.org>
diff --git a/Makefile b/Makefile
index 1a11252..487b1cd 100644
--- a/Makefile
+++ b/Makefile
@@ -108,6 +108,7 @@
 	crypto_rot47.o \
 	dbus_adaptor.o \
 	dbus_control.o \
+	dbus_objectmanager_proxy.o \
 	dbus_properties.o \
 	dbus_properties_proxy.o \
 	default_profile.o \
diff --git a/dbus_objectmanager_proxy.cc b/dbus_objectmanager_proxy.cc
new file mode 100644
index 0000000..5f83e49
--- /dev/null
+++ b/dbus_objectmanager_proxy.cc
@@ -0,0 +1,71 @@
+// Copyright (c) 2012 The Chromium OS 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 "shill/dbus_objectmanager_proxy.h"
+
+#include <base/logging.h>
+
+#include "cellular_error.h"
+
+using std::string;
+
+namespace shill {
+
+DBusObjectManagerProxy::DBusObjectManagerProxy(
+    DBusObjectManagerProxyDelegate *delegate,
+    DBus::Connection *connection,
+    const string &path,
+    const string &service)
+    : proxy_(delegate, connection, path, service) {}
+
+DBusObjectManagerProxy::~DBusObjectManagerProxy() {}
+
+void DBusObjectManagerProxy::GetManagedObjects(AsyncCallHandler *call_handler,
+                                               int timeout) {
+  return proxy_.GetManagedObjects(call_handler, timeout);
+}
+
+// Inherited from DBusObjectManagerProxyInterface.
+DBusObjectManagerProxy::Proxy::Proxy(DBusObjectManagerProxyDelegate *delegate,
+                                     DBus::Connection *connection,
+                                     const std::string &path,
+                                     const std::string &service)
+    : DBus::ObjectProxy(*connection, path, service.c_str()),
+      delegate_(delegate) {}
+
+
+DBusObjectManagerProxy::Proxy::~Proxy() {}
+
+// Signal callback
+void DBusObjectManagerProxy::Proxy::InterfacesAdded(
+    const ::DBus::Path &object_path,
+    const DBusInterfaceToProperties &interface_to_properties) {
+  VLOG(2) << __func__ << "(" << object_path << ")";
+  delegate_->OnInterfacesAdded(object_path, interface_to_properties);
+}
+
+// Signal callback
+void DBusObjectManagerProxy::Proxy::InterfacesRemoved(
+    const ::DBus::Path &object_path,
+    const std::vector< std::string > &interfaces) {
+  VLOG(2) << __func__ << "(" << object_path << ")";
+  delegate_->OnInterfacesRemoved(object_path, interfaces);
+}
+
+// Method callback
+void DBusObjectManagerProxy::Proxy::GetManagedObjectsCallback(
+    const DBusObjectsWithProperties &objects_with_properties,
+    const DBus::Error &dberror,
+    void *data) {
+  VLOG(2) << __func__;
+  shill::Error error;
+  CellularError::FromDBusError(dberror, &error);
+  AsyncCallHandler *call_handler = reinterpret_cast<AsyncCallHandler *>(data);
+
+  delegate_->OnGetManagedObjectsCallback(
+      objects_with_properties,
+      error,
+      call_handler);
+}
+
+}  // namespace shill
diff --git a/dbus_objectmanager_proxy.h b/dbus_objectmanager_proxy.h
new file mode 100644
index 0000000..d3324db
--- /dev/null
+++ b/dbus_objectmanager_proxy.h
@@ -0,0 +1,64 @@
+
+// Copyright (c) 2012 The Chromium OS 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 SHILL_DBUS_OBJECTMANAGER_PROXY_H_
+#define SHILL_DBUS_OBJECTMANAGER_PROXY_H_
+#include <string>
+
+#include "shill/dbus_objectmanager_proxy_interface.h"
+#include "shill/dbus_bindings/dbus-objectmanager.h"
+
+namespace shill {
+
+class DBusObjectManagerProxy : public DBusObjectManagerProxyInterface {
+ public:
+  // Constructs a org.freedesktop.DBus.ObjectManager DBus object proxy
+  // at |path| owned by |service|. Caught signals and asynchronous
+  // method replies will be dispatched to |delegate|.
+
+  DBusObjectManagerProxy(DBusObjectManagerProxyDelegate *delegate,
+                         DBus::Connection *connection,
+                         const std::string &path,
+                         const std::string &service);
+  virtual ~DBusObjectManagerProxy();
+
+  // Inherited methods from DBusObjectManagerProxyInterface.
+  virtual void GetManagedObjects(AsyncCallHandler *call_handler, int timeout);
+
+ private:
+  class Proxy : public org::freedesktop::DBus::ObjectManager_proxy,
+                public DBus::ObjectProxy {
+   public:
+    Proxy(DBusObjectManagerProxyDelegate *delegate,
+          DBus::Connection *connection,
+          const std::string &path,
+          const std::string &service);
+    virtual ~Proxy();
+
+   private:
+    // Signal callbacks
+    virtual void InterfacesAdded(
+        const ::DBus::Path &object_path,
+        const DBusInterfaceToProperties &interfaces_and_properties);
+    virtual void InterfacesRemoved(const ::DBus::Path &object_path,
+                                   const std::vector<std::string> &interfaces);
+
+    // Method callbacks
+    virtual void GetManagedObjectsCallback(
+        const DBusObjectsWithProperties &objects_with_properties,
+        const DBus::Error &error,
+        void *call_handler);
+
+    DBusObjectManagerProxyDelegate *delegate_;
+
+    DISALLOW_COPY_AND_ASSIGN(Proxy);
+  };
+  Proxy proxy_;
+
+  DISALLOW_COPY_AND_ASSIGN(DBusObjectManagerProxy);
+};
+
+}  // namespace shill
+
+#endif  // SHILL_DBUS_OBJECTMANAGER_PROXY_H_
diff --git a/dbus_objectmanager_proxy_interface.h b/dbus_objectmanager_proxy_interface.h
new file mode 100644
index 0000000..7584f2e
--- /dev/null
+++ b/dbus_objectmanager_proxy_interface.h
@@ -0,0 +1,55 @@
+// Copyright (c) 2012 The Chromium OS 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 SHILL_DBUS_OBJECTMANAGER_INTERFACE_H_
+#define SHILL_DBUS_OBJECTMANAGER_INTERFACE_H_
+#include <string>
+
+#include <base/basictypes.h>
+
+#include "shill/dbus_properties.h"  // For DBusPropertiesMap
+
+namespace shill {
+
+class AsyncCallHandler;
+class Error;
+
+typedef std::map<std::string, DBusPropertiesMap> DBusInterfaceToProperties;
+typedef
+   std::map< ::DBus::Path, DBusInterfaceToProperties> DBusObjectsWithProperties;
+
+// These are the methods that a org.freedesktop.DBus.ObjectManager
+// proxy must support.  The interface is provided so that it can be
+// mocked in tests.  All calls are made asynchronously. Call
+// completion is signalled through the corresponding 'OnXXXCallback'
+// method in the ProxyDelegate interface.
+
+class DBusObjectManagerProxyInterface {
+ public:
+  virtual ~DBusObjectManagerProxyInterface() {}
+  virtual void GetManagedObjects(
+      AsyncCallHandler *call_handler, int timeout) = 0;
+};
+
+class DBusObjectManagerProxyDelegate {
+ public:
+  virtual ~DBusObjectManagerProxyDelegate() {}
+
+  // Signals
+  virtual void OnInterfacesAdded(
+      const ::DBus::Path &object_path,
+      const DBusInterfaceToProperties &interface_to_properties) = 0;
+  virtual void OnInterfacesRemoved(
+      const ::DBus::Path &object_path,
+      const std::vector<std::string> &interfaces) = 0;
+
+  // Async method callbacks
+  virtual void OnGetManagedObjectsCallback(
+      const DBusObjectsWithProperties &objects_with_properties,
+      const shill::Error &error,
+      AsyncCallHandler *call_handler) = 0;
+};
+
+}  // namespace shill
+
+#endif  // SHILL_DBUS_OBJECTMANAGER_INTERFACE_H_