DrawablePipeItem: use base class for refcounting

Since PipeItem already implements refcounting, there's no need to
re-implement it here.

3 files changed, 11 insertions, 24 deletions

diff --git a/server/dcc.c b/server/dcc.c
index 4e450b5d..234246fb 100644
--- a/server/dcc.c
+++ b/server/dcc.c
@@ -274,20 +274,14 @@ static void add_drawable_surface_images(DisplayChannelClient *dcc, Drawable *dra
     dcc_push_surface_image(dcc, drawable->surface_id);
 }
 
-DrawablePipeItem *drawable_pipe_item_ref(DrawablePipeItem *dpi)
-{
-    dpi->refs++;
-    return dpi;
-}
-
-void drawable_pipe_item_unref(DrawablePipeItem *dpi)
+void drawable_pipe_item_free(PipeItem *item)
 {
+    DrawablePipeItem *dpi = SPICE_CONTAINEROF(item, DrawablePipeItem, dpi_pipe_item);
     DisplayChannel *display = DCC_TO_DC(dpi->dcc);
 
-    if (--dpi->refs != 0)
-        return;
+    spice_assert(item->refcount == 0);
 
-    spice_warn_if_fail(!ring_item_is_linked(&dpi->dpi_pipe_item.link));
+    spice_warn_if_fail(!ring_item_is_linked(&item->link));
     spice_warn_if_fail(!ring_item_is_linked(&dpi->base));
     display_channel_drawable_unref(display, dpi->drawable);
     free(dpi);
@@ -302,8 +296,8 @@ static DrawablePipeItem *drawable_pipe_item_new(DisplayChannelClient *dcc, Drawa
     dpi->dcc = dcc;
     ring_item_init(&dpi->base);
     ring_add(&drawable->pipes, &dpi->base);
-    pipe_item_init(&dpi->dpi_pipe_item, PIPE_ITEM_TYPE_DRAW);
-    dpi->refs++;
+    pipe_item_init_full(&dpi->dpi_pipe_item, PIPE_ITEM_TYPE_DRAW,
+                        (GDestroyNotify)drawable_pipe_item_free);
     drawable->refs++;
     return dpi;
 }
@@ -1606,7 +1600,8 @@ static void release_item_after_push(DisplayChannelClient *dcc, PipeItem *item)
 
     switch (item->type) {
     case PIPE_ITEM_TYPE_DRAW:
-        drawable_pipe_item_unref(SPICE_CONTAINEROF(item, DrawablePipeItem, dpi_pipe_item));
+    case PIPE_ITEM_TYPE_IMAGE:
+        pipe_item_unref(item);
         break;
     case PIPE_ITEM_TYPE_STREAM_CLIP:
         stream_clip_item_unref(dcc, (StreamClipItem *)item);
@@ -1614,9 +1609,6 @@ static void release_item_after_push(DisplayChannelClient *dcc, PipeItem *item)
     case PIPE_ITEM_TYPE_UPGRADE:
         upgrade_item_unref(display, (UpgradeItem *)item);
         break;
-    case PIPE_ITEM_TYPE_IMAGE:
-        pipe_item_unref(item);
-        break;
     case PIPE_ITEM_TYPE_GL_SCANOUT:
     case PIPE_ITEM_TYPE_GL_DRAW:
     case PIPE_ITEM_TYPE_VERB:
@@ -1645,7 +1637,7 @@ static void release_item_before_push(DisplayChannelClient *dcc, PipeItem *item)
     case PIPE_ITEM_TYPE_DRAW: {
         DrawablePipeItem *dpi = SPICE_CONTAINEROF(item, DrawablePipeItem, dpi_pipe_item);
         ring_remove(&dpi->base);
-        drawable_pipe_item_unref(dpi);
+        pipe_item_unref(item);
         break;
     }
     case PIPE_ITEM_TYPE_STREAM_CREATE: {
diff --git a/server/dcc.h b/server/dcc.h
index 3d7870b1..e8354e29 100644
--- a/server/dcc.h
+++ b/server/dcc.h
@@ -157,9 +157,6 @@ typedef struct DrawablePipeItem {
     uint8_t refs;
 } DrawablePipeItem;
 
-void                       drawable_pipe_item_unref                  (DrawablePipeItem *dpi);
-DrawablePipeItem*          drawable_pipe_item_ref                    (DrawablePipeItem *dpi);
-
 DisplayChannelClient*      dcc_new                                   (DisplayChannel *display,
                                                                       RedClient *client,
                                                                       RedsStream *stream,
diff --git a/server/display-channel.c b/server/display-channel.c
index ac107245..4d339f5b 100644
--- a/server/display-channel.c
+++ b/server/display-channel.c
@@ -1971,7 +1971,8 @@ static void hold_item(RedChannelClient *rcc, PipeItem *item)
 
     switch (item->type) {
     case PIPE_ITEM_TYPE_DRAW:
-        drawable_pipe_item_ref(SPICE_CONTAINEROF(item, DrawablePipeItem, dpi_pipe_item));
+    case PIPE_ITEM_TYPE_IMAGE:
+        pipe_item_ref(item);
         break;
     case PIPE_ITEM_TYPE_STREAM_CLIP:
         ((StreamClipItem *)item)->refs++;
@@ -1979,9 +1980,6 @@ static void hold_item(RedChannelClient *rcc, PipeItem *item)
     case PIPE_ITEM_TYPE_UPGRADE:
         ((UpgradeItem *)item)->refs++;
         break;
-    case PIPE_ITEM_TYPE_IMAGE:
-        pipe_item_ref(item);
-        break;
     default:
         spice_warn_if_reached();
     }