interface.h

// 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.
#ifndef SPEECH_SYNTHESIS_INTERFACE_H_
#define SPEECH_SYNTHESIS_INTERFACE_H_

#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-bindings.h>
#include <glib-object.h>
#include <stdlib.h>

#include <base/logging.h>
#include <chromeos/dbus/dbus.h>
#include <chromeos/glib/object.h>

#include "speech_synthesizer_service.h"

// Helpers for using GObjects until we can get a C++ wrapper going.
namespace speech_synthesis {
namespace gobject {  // Namespace hiding the GObject type data.

struct SpeechSynthesizer {
  GObject parent_instance;
  SpeechSynthesizerService *service;  // pointer to implementing service.
};
struct SpeechSynthesizerClass { GObjectClass parent_class; };

// speech_synthesizer_get_type() is defined in interface.cc by the
// G_DEFINE_TYPE() macro.  This macro defines a number of other GLib
// class system specific functions and variables discussed in
// interface.cc.
GType speech_synthesizer_get_type();  // defined by G_DEFINE_TYPE

// Interface function prototypes which wrap service.
gboolean speech_synthesizer_speak(SpeechSynthesizer *self,
                                  gchar *text,
                                  GError **error);
gboolean speech_synthesizer_set_properties(SpeechSynthesizer *self,
                                           gchar *properties,
                                           GError **error);
gboolean speech_synthesizer_stop(SpeechSynthesizer *self,
                                 GError **error);
gboolean speech_synthesizer_is_speaking(SpeechSynthesizer *self,
                                        gboolean* OUT_isSpeaking_requested,
                                        GError **error);
}  // namespace gobject
}  // namespace speech_synthesis
#endif  // SPEECH_SYNTHESIS_INTERFACE_H_