Registers gtypes for all public objects and structs

This adds much more comprehensive support for gobject-introspection
based bindings by registering all objects as fundamental types that
inherit from CoglObject, and all structs as boxed types.

Co-Author: Robert Bragg <robert@linux.intel.com>

Reviewed-by: Neil Roberts <neil@linux.intel.com>

3 files changed, 73 insertions, 0 deletions

diff --git a/cogl-gst/Makefile.am b/cogl-gst/Makefile.am
index 49c68ad9..ba0c3d82 100644
--- a/cogl-gst/Makefile.am
+++ b/cogl-gst/Makefile.am
@@ -68,3 +68,40 @@ pkgconfig_DATA = $(pc_files)
 
 EXTRA_DIST += cogl-gst.pc.in
 DISTCLEANFILES += $(pc_files)
+
+-include $(INTROSPECTION_MAKEFILE)
+
+INTROSPECTION_GIRS =
+
+if HAVE_INTROSPECTION
+INTROSPECTION_COMPILER_ARGS=--includedir=$(top_builddir)/cogl
+
+CoglGst-2.0.gir: libcogl-gst.la Makefile
+
+CoglGst_2_0_gir_NAMESPACE = CoglGst
+CoglGst_2_0_gir_VERSION = 2.0
+CoglGst_2_0_gir_LIBS = $(top_builddir)/cogl/libcogl.la libcogl-gst.la
+CoglGst_2_0_gir_FILES = $(source_h) $(source_c)
+CoglGst_2_0_gir_CFLAGS = $(AM_CPPFLAGS) $(COGL_GST_DEP_CFLAGS)
+CoglGst_2_0_gir_INCLUDES = GObject-2.0 Gst-1.0 GstBase-1.0
+CoglGst_2_0_gir_EXPORT_PACKAGES = cogl-gst-2.0-experimental
+CoglGst_2_0_gir_SCANNERFLAGS = \
+	--warn-all \
+	--identifier-prefix=CoglGst \
+	--symbol-prefix=cogl_gst \
+	--c-include='cogl-gst/cogl-gst.h' \
+	--c-include="gst/gst.h" \
+	--include-uninstalled=$(top_builddir)/cogl/Cogl-2.0.gir \
+	--pkg gstreamer-1.0 \
+	--add-init-section="gst_init(NULL, NULL);"
+
+INTROSPECTION_GIRS += CoglGst-2.0.gir
+
+girdir = $(datadir)/gir-1.0
+gir_DATA = $(INTROSPECTION_GIRS)
+
+typelibdir = $(libdir)/girepository-1.0
+typelib_DATA = $(INTROSPECTION_GIRS:.gir=.typelib)
+
+CLEANFILES += $(gir_DATA) $(typelib_DATA)
+endif
diff --git a/cogl-gst/cogl-gst-video-sink.c b/cogl-gst/cogl-gst-video-sink.c
index 42b50a9a..14610834 100644
--- a/cogl-gst/cogl-gst-video-sink.c
+++ b/cogl-gst/cogl-gst-video-sink.c
@@ -35,6 +35,8 @@
 #include <gst/riff/riff-ids.h>
 #include <string.h>
 
+#include "cogl-gtype-private.h"
+
 /* We just need the public Cogl api for cogl-gst but we first need to
  * undef COGL_COMPILATION to avoid getting an error that normally
  * checks cogl.h isn't used internally. */
@@ -171,6 +173,34 @@ struct _CoglGstVideoSinkPrivate
   GstVideoInfo info;
 };
 
+/* GTypes */
+
+static gpointer
+cogl_gst_rectangle_copy (gpointer src)
+{
+  if (G_LIKELY (src))
+    {
+      CoglGstRectangle *new = g_slice_new (CoglGstRectangle);
+      memcpy (new, src, sizeof (CoglGstRectangle));
+      return new;
+    }
+  else
+    return NULL;
+}
+
+static void
+cogl_gst_rectangle_free (gpointer ptr)
+{
+  g_slice_free (CoglGstRectangle, ptr);
+}
+
+COGL_GTYPE_DEFINE_BOXED (GstRectangle,
+                         gst_rectangle,
+                         cogl_gst_rectangle_copy,
+                         cogl_gst_rectangle_free);
+
+/**/
+
 static void
 cogl_gst_source_finalize (GSource *source)
 {
diff --git a/cogl-gst/cogl-gst-video-sink.h b/cogl-gst/cogl-gst-video-sink.h
index 71718c2b..12a6480d 100644
--- a/cogl-gst/cogl-gst-video-sink.h
+++ b/cogl-gst/cogl-gst-video-sink.h
@@ -87,6 +87,10 @@
 
 G_BEGIN_DECLS
 
+#define COGL_GST_GTYPE_DECLARE_TYPE(name)       \
+  GType cogl_gst_ ## name ## _get_gtype (void)
+
+
 #define COGL_GST_TYPE_VIDEO_SINK cogl_gst_video_sink_get_type()
 
 #define COGL_GST_VIDEO_SINK(obj) \
@@ -500,6 +504,8 @@ typedef struct _CoglGstRectangle
   float height;
 } CoglGstRectangle;
 
+COGL_GST_GTYPE_DECLARE_TYPE (rectangle);
+
 /**
  * cogl_gst_video_sink_fit_size:
  * @sink: A #CoglGstVideoSink