1 files changed, 98 insertions, 0 deletions
diff --git a/libplanfahr/lpf-provider.h b/libplanfahr/lpf-provider.h
new file mode 100644
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--- /dev/null
+++ b/libplanfahr/lpf-provider.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2014 Guido Guenther <agx@sigxcpu.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _LPF_PROVIDER
+#define _LPF_PROVIDER
+
+#if !defined (__LIBPLANFAHR_H_INSIDE__) && !defined (LIBPLANFAHR_COMPILATION)
+# error "Only <libplanfahr.h> can be included directly."
+#endif
+
+#include <glib-object.h>
+#include <libplanfahr/lpf-loc.h>
+
+G_BEGIN_DECLS
+
+#define LPF_PROVIDER_MAJOR_VERSION 0
+#define LPF_PROVIDER_MINOR_VERSION 0
+
+/**
+ * LPF_PROVIDER_ERROR:
+ *
+ * Error domain for  providers
+ */
+#define LPF_PROVIDER_ERROR g_spawn_error_quark ()
+
+/**
+ * LpfProviderError:
+ * @LPF_PROVIDER_ERROR_REQUEST_FAILED: a request to fetch data from a remote failed
+ * @LPF_PROVIDER_ERROR_PARSE_FAILED:   parsing the reply failed
+ *
+ * Error codes returned by providers
+ */
+typedef enum {
+    LPF_PROVIDER_ERROR_REQUEST_FAILED,
+    LPF_PROVIDER_ERROR_PARSE_FAILED,
+} LpfProviderError;
+
+#define LPF_TYPE_PROVIDER (lpf_provider_get_type())
+
+#define LPF_PROVIDER(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), LPF_TYPE_PROVIDER, LpfProvider))
+
+#define LPF_IS_PROVIDER(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), LPF_TYPE_PROVIDER))
+
+#define LPF_PROVIDER_GET_INTERFACE(obj) \
+  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), LPF_TYPE_PROVIDER, LpfProviderInterface))
+
+#define LPF_PROVIDER_PROP_NAME "name"
+
+typedef void (*LpfProviderGotLocsNotify) (GSList *locs, gpointer user_data, GError *err);
+typedef void (*LpfProviderGotTripsNotify) (GSList *trips, gpointer user_data, GError *err);
+
+typedef struct _LpfProvider LpfProvider;
+
+typedef struct {
+    GTypeInterface parent;
+
+    void (*activate)   (LpfProvider *self, GObject *obj);
+    void (*deactivate) (LpfProvider *self, GObject *obj);
+
+    const gchar* (*get_name) (LpfProvider *self);
+
+    gint (*get_locs)   (LpfProvider *self, const gchar *match, LpfProviderGotLocsNotify callback, gpointer user_data);
+    gint (*get_trips)  (LpfProvider *self, LpfLoc *start, LpfLoc *end,  GDateTime *date, guint64 flags, LpfProviderGotLocsNotify callback, gpointer user_data);
+} LpfProviderInterface;
+
+GType lpf_provider_get_type (void);
+
+typedef LpfProvider *(*LpfProviderCreateFunc) (void);
+LpfProvider *lpf_provider_create (void);
+
+const char* lpf_provider_get_name (LpfProvider *self);
+void lpf_provider_activate (LpfProvider *self, GObject *obj);
+void lpf_provider_deactivate (LpfProvider *self, GObject *obj);
+GQuark lpf_provider_error_quark (void);
+gint lpf_provider_get_locs (LpfProvider *self, const gchar* match, LpfProviderGotLocsNotify callback, gpointer user_data);
+gint lpf_provider_get_trips  (LpfProvider *self, LpfLoc *start, LpfLoc *end,  GDateTime *date, guint64 flags, LpfProviderGotLocsNotify callback, gpointer user_data);
+void lpf_provider_free_locs (LpfProvider *self, GSList *locs);
+
+G_END_DECLS
+
+#endif /* _LPF_PROVIDER */