AU: DBus support.

src/platform/update_engine/dbus_service.cc

 // Copyright (c) 2010 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 "update_engine/dbus_service.h"
 #include <string>
 #include "base/logging.h"
+#include "update_engine/marshal.glibmarshal.h"
 
 using std::string;
 
 G_DEFINE_TYPE(UpdateEngineService, update_engine_service, G_TYPE_OBJECT)
 
 static void update_engine_service_finalize(GObject* object) {
   G_OBJECT_CLASS(update_engine_service_parent_class)->finalize(object);
 }
 
+static guint status_update_signal = 0;
+
 static void update_engine_service_class_init(UpdateEngineServiceClass* klass) {
   GObjectClass *object_class;
   object_class = G_OBJECT_CLASS(klass);
   object_class->finalize = update_engine_service_finalize;
+  
+  status_update_signal = g_signal_new(
+      "status_update",
+      G_OBJECT_CLASS_TYPE(klass),
+      G_SIGNAL_RUN_LAST,
+      0,  // 0 == no class method associated
+      NULL,  // Accumulator
+      NULL,  // Accumulator data
+      update_engine_VOID__INT64_DOUBLE_STRING_STRING_INT64,
+      G_TYPE_NONE,  // Return type
+      5,  // param count:
+      G_TYPE_INT64,
+      G_TYPE_DOUBLE,
+      G_TYPE_STRING,
+      G_TYPE_STRING,
+      G_TYPE_INT64);
 }
 
 static void update_engine_service_init(UpdateEngineService* object) {
 }
 
 UpdateEngineService* update_engine_service_new(void) {
   return reinterpret_cast<UpdateEngineService*>(
       g_object_new(UPDATE_ENGINE_TYPE_SERVICE, NULL));
 }
 
@@ skipping 11 matching lines @@
                                            progress,
                                            &current_op,
                                            &new_version_str,
                                            new_size));
   
   *current_operation = strdup(current_op.c_str());
   *new_version = strdup(new_version_str.c_str());
   return TRUE;
 }
 
+gboolean update_engine_service_check_for_update(UpdateEngineService* self,
+                                                GError **error) {
+  self->update_attempter_->CheckForUpdate();
+  return TRUE;
+}
+
+gboolean update_engine_service_emit_status_update(
+    UpdateEngineService* self,
+    gint64 last_checked_time,
+    gdouble progress,
+    const gchar* current_operation,
+    const gchar* new_version,
+    gint64 new_size) {
+  g_signal_emit(self,
+                status_update_signal,
+                0,
+                last_checked_time,
+                progress,
+                current_operation,
+                new_version,
+                new_size);
+  return TRUE;
+}