clipboard: Implement local fallback clipboard transfers

This requires implementing a "pipe" so we can have 2 streams running:
  contentprovider => serializer => outputstream
  inputstream => deserializer => reader
And the pipe shoves the data from the outputstream into the inputstream.

1 files changed, 10 insertions, 0 deletions

diff --git a/gdk/gdkclipboardprivate.h b/gdk/gdkclipboardprivate.h
index b171068a5f..73b198eacf 100644
--- a/gdk/gdkclipboardprivate.h
+++ b/gdk/gdkclipboardprivate.h
@@ -57,6 +57,16 @@ GdkClipboard *          gdk_clipboard_new                       (GdkDisplay
 
 void                    gdk_clipboard_claim_remote              (GdkClipboard           *clipboard,
                                                                  GdkContentFormats      *formats);
+void                    gdk_clipboard_write_async               (GdkClipboard           *clipboard,
+                                                                 const char             *mime_type,
+                                                                 GOutputStream          *stream,
+                                                                 int                     io_priority,
+                                                                 GCancellable           *cancellable,
+                                                                 GAsyncReadyCallback     callback,
+                                                                 gpointer                user_data);
+gboolean                gdk_clipboard_write_finish              (GdkClipboard           *clipboard,
+                                                                 GAsyncResult           *result,
+                                                                 GError                **error);
 
 G_END_DECLS