[gtk+/wip/otte/clipboard: 95/107] contentprovider: Add ref_storable_formats()



commit afd251703a280889690a0fa38aae3380a7962ddd
Author: Benjamin Otte <otte redhat com>
Date:   Wed Nov 29 10:07:52 2017 +0100

    contentprovider: Add ref_storable_formats()
    
    This is to be used for advocating to clipboard managers.

 gdk/gdkcontentprovider.c |   48 ++++++++++++++++++++++++++++++++++++++++++++++
 gdk/gdkcontentprovider.h |    3 ++
 2 files changed, 51 insertions(+), 0 deletions(-)
---
diff --git a/gdk/gdkcontentprovider.c b/gdk/gdkcontentprovider.c
index 525a4eb..55aa384 100644
--- a/gdk/gdkcontentprovider.c
+++ b/gdk/gdkcontentprovider.c
@@ -34,6 +34,7 @@ struct _GdkContentProviderPrivate
 enum {
   PROP_0,
   PROP_FORMATS,
+  PROP_STORABLE_FORMATS,
   N_PROPERTIES
 };
 
@@ -65,6 +66,12 @@ gdk_content_provider_real_ref_formats (GdkContentProvider *provider)
   return gdk_content_formats_new (NULL, 0);
 }
 
+static GdkContentFormats *
+gdk_content_provider_real_ref_storable_formats (GdkContentProvider *provider)
+{
+  return gdk_content_provider_ref_formats (provider);
+}
+
 static void
 gdk_content_provider_real_write_mime_type_async (GdkContentProvider  *provider,
                                                  const char          *mime_type,
@@ -121,6 +128,10 @@ gdk_content_provider_get_property (GObject    *gobject,
       g_value_take_boxed (value, gdk_content_provider_ref_formats (provider));
       break;
 
+    case PROP_STORABLE_FORMATS:
+      g_value_take_boxed (value, gdk_content_provider_ref_storable_formats (provider));
+      break;
+
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
       break;
@@ -137,6 +148,7 @@ gdk_content_provider_class_init (GdkContentProviderClass *class)
   class->attach_clipboard = gdk_content_provider_real_attach_clipboard;
   class->detach_clipboard = gdk_content_provider_real_detach_clipboard;
   class->ref_formats = gdk_content_provider_real_ref_formats;
+  class->ref_storable_formats = gdk_content_provider_real_ref_storable_formats;
   class->write_mime_type_async = gdk_content_provider_real_write_mime_type_async;
   class->write_mime_type_finish = gdk_content_provider_real_write_mime_type_finish;
   class->get_value = gdk_content_provider_real_get_value;
@@ -158,6 +170,22 @@ gdk_content_provider_class_init (GdkContentProviderClass *class)
                         G_PARAM_EXPLICIT_NOTIFY);
 
   /**
+   * GdkContentProvider:storable-formats:
+   *
+   * The subset of formats that clipboard managers should store this provider's data in.
+   *
+   * Since: 3.94
+   */
+  properties[PROP_STORABLE_FORMATS] =
+    g_param_spec_boxed ("storable-formats",
+                        "Storable formats",
+                        "The formats that data should be stored in",
+                        GDK_TYPE_CONTENT_FORMATS,
+                        G_PARAM_READABLE |
+                        G_PARAM_STATIC_STRINGS |
+                        G_PARAM_EXPLICIT_NOTIFY);
+
+  /**
    * GdkContentProvider:content-changed:
    *
    * Emitted whenever the content provided by this provider has changed.
@@ -196,6 +224,26 @@ gdk_content_provider_ref_formats (GdkContentProvider *provider)
   return GDK_CONTENT_PROVIDER_GET_CLASS (provider)->ref_formats (provider);
 }
 
+/**
+ * gdk_content_provider_ref_storable_formats:
+ * @provider: a #GdkContentProvider
+ *
+ * Gets the formats that the provider suggests other applications to store
+ * the data in.  
+ * An example of such an application would be a clipboard manager.
+ *
+ * This can be assumed to be a subset of gdk_content_provider_ref_formats().
+ *
+ * Returns: (transfer full): The storable formats of the provider
+ **/
+GdkContentFormats *
+gdk_content_provider_ref_storable_formats (GdkContentProvider *provider)
+{
+  g_return_val_if_fail (GDK_IS_CONTENT_PROVIDER (provider), NULL);
+
+  return GDK_CONTENT_PROVIDER_GET_CLASS (provider)->ref_storable_formats (provider);
+}
+
 void
 gdk_content_provider_content_changed (GdkContentProvider *provider)
 {
diff --git a/gdk/gdkcontentprovider.h b/gdk/gdkcontentprovider.h
index 90b9eae..1ce1962 100644
--- a/gdk/gdkcontentprovider.h
+++ b/gdk/gdkcontentprovider.h
@@ -58,6 +58,7 @@ struct _GdkContentProviderClass
                                                                          GdkClipboard           *clipboard);
 
   GdkContentFormats *   (* ref_formats)                                 (GdkContentProvider     *provider);
+  GdkContentFormats *   (* ref_storable_formats)                        (GdkContentProvider     *provider);
   void                  (* write_mime_type_async)                       (GdkContentProvider     *provider,
                                                                          const char             *mime_type,
                                                                          GOutputStream          *stream,
@@ -90,6 +91,8 @@ GType                   gdk_content_provider_get_type                   (void) G
 
 GDK_AVAILABLE_IN_3_94
 GdkContentFormats *     gdk_content_provider_ref_formats                (GdkContentProvider     *provider);
+GDK_AVAILABLE_IN_3_94
+GdkContentFormats *     gdk_content_provider_ref_storable_formats       (GdkContentProvider     *provider);
 
 GDK_AVAILABLE_IN_3_94
 void                    gdk_content_provider_content_changed            (GdkContentProvider     *provider);


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