[nautilus/wip/csoriano/destktop-split2: 54/54] file: allow overriding dnd handling

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit d49398f1a2c8f5359b8d7eb0fc7ff67d5aa898bb
Author: Carlos Soriano <csoriano gnome org>
Date:   Wed Mar 30 16:02:49 2016 +0200

    file: allow overriding dnd handling
    
    Subclasses may want to override some dnd handling.

 libnautilus-private/nautilus-file.c |    9 +++++++++
 libnautilus-private/nautilus-file.h |    2 ++
 2 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/libnautilus-private/nautilus-file.c b/libnautilus-private/nautilus-file.c
index 5162a1e..c2d60ff 100644
--- a/libnautilus-private/nautilus-file.c
+++ b/libnautilus-private/nautilus-file.c
@@ -25,6 +25,7 @@
 
 #include "nautilus-directory-notify.h"
 #include "nautilus-directory-private.h"
+#include "nautilus-desktop-icon-file.h"
 #include "nautilus-signaller.h"
 #include "nautilus-file-attributes.h"
 #include "nautilus-file-private.h"
@@ -165,6 +166,7 @@ static const char * nautilus_file_peek_display_name (NautilusFile *file);
 static const char * nautilus_file_peek_display_name_collation_key (NautilusFile *file);
 static void file_mount_unmounted (GMount *mount,  gpointer data);
 static void metadata_hash_free (GHashTable *hash);
+static gboolean real_drag_can_accept_files (NautilusFile *drop_target_item);
 
 G_DEFINE_TYPE_WITH_CODE (NautilusFile, nautilus_file, G_TYPE_OBJECT,
                         G_IMPLEMENT_INTERFACE (NAUTILUS_TYPE_FILE_INFO,
@@ -8003,6 +8005,7 @@ nautilus_file_class_init (NautilusFileClass *class)
        class->can_rename = real_can_rename;
        class->rename = real_rename;
        class->get_drop_target_uri = real_get_drop_target_uri;
+       class->drag_can_accept_files = real_drag_can_accept_files;
        class->invalidate_attributes_internal = real_invalidate_attributes_internal;
 
        signals[CHANGED] =
@@ -8127,6 +8130,12 @@ nautilus_file_info_providers_done (NautilusFile *file)
 static gboolean
 nautilus_drag_can_accept_files (NautilusFile *drop_target_item)
 {
+        return NAUTILUS_FILE_CLASS (G_OBJECT_GET_CLASS (drop_target_item))->drag_can_accept_files 
(drop_target_item);
+}
+
+static gboolean
+real_drag_can_accept_files (NautilusFile *drop_target_item)
+{
        if (nautilus_file_is_directory (drop_target_item)) {
                NautilusDirectory *directory;
                gboolean res;
diff --git a/libnautilus-private/nautilus-file.h b/libnautilus-private/nautilus-file.h
index 8b52e32..e9e73de 100644
--- a/libnautilus-private/nautilus-file.h
+++ b/libnautilus-private/nautilus-file.h
@@ -601,6 +601,8 @@ typedef struct {
 
        char*                 (* get_drop_target_uri)     (NautilusFile                   *file);
 
+       gboolean              (* drag_can_accept_files)   (NautilusFile                   *drop_target_item);
+
        void                  (* invalidate_attributes_internal) (NautilusFile            *file,
                                                                  NautilusFileAttributes   file_attributes);
 } NautilusFileClass;