pixbuf-utils: copy the generic pixbuf-related utily functions from Empathy

This commit also changes the licence of the moved code from GPL to LGPL.
See GOSSIP-RELICENSING.txt for details.

https://bugzilla.gnome.org/show_bug.cgi?id=699492

12 files changed, 30 insertions, 184 deletions

diff --git a/libempathy-gtk/empathy-account-chooser.c b/libempathy-gtk/empathy-account-chooser.c
index e6f4367c9..69fc54fe2 100644
--- a/libempathy-gtk/empathy-account-chooser.c
+++ b/libempathy-gtk/empathy-account-chooser.c
@@ -25,8 +25,7 @@
 #include "empathy-account-chooser.h"
 
 #include <glib/gi18n-lib.h>
-
-#include "empathy-ui-utils.h"
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 
 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
 #include "empathy-debug.h"
@@ -840,7 +839,7 @@ account_chooser_filter_ready_cb (gboolean is_enabled,
   store = GTK_LIST_STORE (gtk_combo_box_get_model (combobox));
 
   icon_name = tp_account_get_icon_name (account);
-  pixbuf = empathy_pixbuf_from_icon_name (icon_name,
+  pixbuf = tpaw_pixbuf_from_icon_name (icon_name,
     GTK_ICON_SIZE_BUTTON);
 
   gtk_list_store_set (store, iter,
diff --git a/libempathy-gtk/empathy-avatar-image.c b/libempathy-gtk/empathy-avatar-image.c
index f61c1b236..78a3e5ff3 100644
--- a/libempathy-gtk/empathy-avatar-image.c
+++ b/libempathy-gtk/empathy-avatar-image.c
@@ -26,6 +26,7 @@
 
 #include <glib/gi18n-lib.h>
 #include <gdk/gdkx.h>
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 
 #include "empathy-ui-utils.h"
 #include "empathy-utils.h"
@@ -211,7 +212,7 @@ avatar_image_button_press_event (GtkWidget *widget, GdkEventButton *event)
 		return TRUE;
 	}
 
-	pixbuf = empathy_pixbuf_scale_down_if_necessary (priv->pixbuf, MAX_LARGE);
+	pixbuf = tpaw_pixbuf_scale_down_if_necessary (priv->pixbuf, MAX_LARGE);
 	popup_width = gdk_pixbuf_get_width (pixbuf);
 	popup_height = gdk_pixbuf_get_height (pixbuf);
 
@@ -302,7 +303,7 @@ empathy_avatar_image_set (EmpathyAvatarImage *avatar_image,
 	}
 
 	if (avatar) {
-		priv->pixbuf = empathy_pixbuf_from_data ((gchar *) avatar->data,
+		priv->pixbuf = tpaw_pixbuf_from_data ((gchar *) avatar->data,
 				avatar->len);
 	}
 
@@ -311,7 +312,7 @@ empathy_avatar_image_set (EmpathyAvatarImage *avatar_image,
 		return;
 	}
 
-	scaled_pixbuf = empathy_pixbuf_scale_down_if_necessary (priv->pixbuf, MAX_SMALL);
+	scaled_pixbuf = tpaw_pixbuf_scale_down_if_necessary (priv->pixbuf, MAX_SMALL);
 	gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), scaled_pixbuf);
 
 	if (scaled_pixbuf != priv->pixbuf) {
diff --git a/libempathy-gtk/empathy-individual-store-channel.c b/libempathy-gtk/empathy-individual-store-channel.c
index a1a1161f9..eb0f3f593 100644
--- a/libempathy-gtk/empathy-individual-store-channel.c
+++ b/libempathy-gtk/empathy-individual-store-channel.c
@@ -26,6 +26,8 @@
 #include "config.h"
 #include "empathy-individual-store-channel.h"
 
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
+
 #include "empathy-utils.h"
 #include "empathy-ui-utils.h"
 #include "empathy-images.h"
@@ -159,7 +161,7 @@ individual_store_channel_contact_chat_state_changed (TpTextChannel *channel,
   if (state == TP_CHANNEL_CHAT_STATE_COMPOSING)
     {
       gchar *icon_filename =
-          empathy_filename_from_icon_name (EMPATHY_IMAGE_TYPING,
+          tpaw_filename_from_icon_name (EMPATHY_IMAGE_TYPING,
             GTK_ICON_SIZE_MENU);
 
       pixbuf = gdk_pixbuf_new_from_file (icon_filename, NULL);
diff --git a/libempathy-gtk/empathy-individual-view.c b/libempathy-gtk/empathy-individual-view.c
index 22e65a0ec..b901848e1 100644
--- a/libempathy-gtk/empathy-individual-view.c
+++ b/libempathy-gtk/empathy-individual-view.c
@@ -28,6 +28,7 @@
 #include "empathy-individual-view.h"
 
 #include <glib/gi18n-lib.h>
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 #include <tp-account-widgets/tpaw-utils.h>
 
 #include "empathy-cell-renderer-activatable.h"
@@ -1161,12 +1162,12 @@ individual_view_group_icon_cell_data_func (GtkTreeViewColumn *tree_column,
 
   if (!tp_strdiff (name, EMPATHY_INDIVIDUAL_STORE_FAVORITE))
     {
-      pixbuf = empathy_pixbuf_from_icon_name ("emblem-favorite",
+      pixbuf = tpaw_pixbuf_from_icon_name ("emblem-favorite",
           GTK_ICON_SIZE_MENU);
     }
   else if (!tp_strdiff (name, EMPATHY_INDIVIDUAL_STORE_PEOPLE_NEARBY))
     {
-      pixbuf = empathy_pixbuf_from_icon_name ("im-local-xmpp",
+      pixbuf = tpaw_pixbuf_from_icon_name ("im-local-xmpp",
           GTK_ICON_SIZE_MENU);
     }
 
diff --git a/libempathy-gtk/empathy-local-xmpp-assistant-widget.c b/libempathy-gtk/empathy-local-xmpp-assistant-widget.c
index 971ad5e96..d5f044eba 100644
--- a/libempathy-gtk/empathy-local-xmpp-assistant-widget.c
+++ b/libempathy-gtk/empathy-local-xmpp-assistant-widget.c
@@ -23,6 +23,7 @@
 
 #include <glib/gi18n-lib.h>
 #include <tp-account-widgets/tpaw-account-widget.h>
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 #include <tp-account-widgets/tpaw-utils.h>
 
 #include "empathy-ui-utils.h"
@@ -87,7 +88,7 @@ empathy_local_xmpp_assistant_widget_constructed (GObject *object)
   gtk_grid_attach (GTK_GRID (self), w, 0, 0, 1, 1);
   gtk_widget_show (w);
 
-  pix = empathy_pixbuf_from_icon_name_sized ("im-local-xmpp", 48);
+  pix = tpaw_pixbuf_from_icon_name_sized ("im-local-xmpp", 48);
   if (pix != NULL)
     {
       w = gtk_image_new_from_pixbuf (pix);
diff --git a/libempathy-gtk/empathy-notify-manager.c b/libempathy-gtk/empathy-notify-manager.c
index 033557e81..8ca97950e 100644
--- a/libempathy-gtk/empathy-notify-manager.c
+++ b/libempathy-gtk/empathy-notify-manager.c
@@ -21,6 +21,7 @@
 #include "empathy-notify-manager.h"
 
 #include <libnotify/notify.h>
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 
 #include "empathy-gsettings.h"
 #include "empathy-ui-utils.h"
@@ -174,7 +175,7 @@ empathy_notify_manager_get_pixbuf_for_notification (EmpathyNotifyManager *self,
     pixbuf = empathy_pixbuf_avatar_from_contact_scaled (contact, 48, 48);
 
   if (pixbuf == NULL)
-    pixbuf = empathy_pixbuf_from_icon_name_sized (icon_name, 48);
+    pixbuf = tpaw_pixbuf_from_icon_name_sized (icon_name, 48);
 
   return pixbuf;
 }
diff --git a/libempathy-gtk/empathy-protocol-chooser.c b/libempathy-gtk/empathy-protocol-chooser.c
index f2414ad10..3966809f7 100644
--- a/libempathy-gtk/empathy-protocol-chooser.c
+++ b/libempathy-gtk/empathy-protocol-chooser.c
@@ -25,6 +25,7 @@
 
 #include <glib/gi18n-lib.h>
 #include <tp-account-widgets/tpaw-connection-managers.h>
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 #include <tp-account-widgets/tpaw-utils.h>
 
 #include "empathy-ui-utils.h"
@@ -231,7 +232,7 @@ protocol_choosers_add_cm (EmpathyProtocolChooser *chooser,
           g_strdup (proto_name), g_strdup (cm_name));
 
       icon_name = tpaw_protocol_icon_name (proto_name);
-      pixbuf = empathy_pixbuf_from_icon_name (icon_name, GTK_ICON_SIZE_BUTTON);
+      pixbuf = tpaw_pixbuf_from_icon_name (icon_name, GTK_ICON_SIZE_BUTTON);
 
       display_name = tpaw_protocol_name_to_display_name (proto_name);
 
@@ -249,7 +250,7 @@ protocol_choosers_add_cm (EmpathyProtocolChooser *chooser,
           !tp_strdiff (cm_name, "gabble"))
         {
           display_name = tpaw_service_name_to_display_name ("google-talk");
-          pixbuf = empathy_pixbuf_from_icon_name ("im-google-talk",
+          pixbuf = tpaw_pixbuf_from_icon_name ("im-google-talk",
                   GTK_ICON_SIZE_BUTTON);
 
           gtk_list_store_insert_with_values (priv->store,
@@ -264,7 +265,7 @@ protocol_choosers_add_cm (EmpathyProtocolChooser *chooser,
           g_clear_object (&pixbuf);
 
           display_name = tpaw_service_name_to_display_name ("facebook");
-          pixbuf = empathy_pixbuf_from_icon_name ("im-facebook",
+          pixbuf = tpaw_pixbuf_from_icon_name ("im-facebook",
                   GTK_ICON_SIZE_BUTTON);
 
           gtk_list_store_insert_with_values (priv->store,
diff --git a/libempathy-gtk/empathy-roster-contact.c b/libempathy-gtk/empathy-roster-contact.c
index 22b360075..328b51240 100644
--- a/libempathy-gtk/empathy-roster-contact.c
+++ b/libempathy-gtk/empathy-roster-contact.c
@@ -3,6 +3,7 @@
 
 #include <glib/gi18n-lib.h>
 #include <tp-account-widgets/tpaw-images.h>
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 
 #include "empathy-ui-utils.h"
 #include "empathy-utils.h"
@@ -124,7 +125,7 @@ avatar_loaded_cb (GObject *source,
 
   if (pixbuf == NULL)
     {
-      pixbuf = empathy_pixbuf_from_icon_name_sized (
+      pixbuf = tpaw_pixbuf_from_icon_name_sized (
           TPAW_IMAGE_AVATAR_DEFAULT, AVATAR_SIZE);
     }
 
diff --git a/libempathy-gtk/empathy-smiley-manager.c b/libempathy-gtk/empathy-smiley-manager.c
index fcbe56024..44ea817be 100644
--- a/libempathy-gtk/empathy-smiley-manager.c
+++ b/libempathy-gtk/empathy-smiley-manager.c
@@ -23,6 +23,7 @@
 #include "config.h"
 #include "empathy-smiley-manager.h"
 
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 #include <tp-account-widgets/tpaw-utils.h>
 
 #include "empathy-ui-utils.h"
@@ -247,12 +248,12 @@ empathy_smiley_manager_add (EmpathySmileyManager *manager,
 	g_return_if_fail (!TPAW_STR_EMPTY (icon_name));
 	g_return_if_fail (!TPAW_STR_EMPTY (first_str));
 
-	pixbuf = empathy_pixbuf_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
+	pixbuf = tpaw_pixbuf_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
 	if (pixbuf) {
 		gchar *path;
 
 		va_start (var_args, first_str);
-		path = empathy_filename_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
+		path = tpaw_filename_from_icon_name (icon_name, GTK_ICON_SIZE_MENU);
 		smiley_manager_add_valist (manager, pixbuf, path, first_str, var_args);
 		va_end (var_args);
 		g_object_unref (pixbuf);
diff --git a/libempathy-gtk/empathy-theme-adium.c b/libempathy-gtk/empathy-theme-adium.c
index 5fd61d339..0cf74e396 100644
--- a/libempathy-gtk/empathy-theme-adium.c
+++ b/libempathy-gtk/empathy-theme-adium.c
@@ -25,6 +25,7 @@
 #include <glib/gi18n-lib.h>
 #include <tp-account-widgets/tpaw-images.h>
 #include <tp-account-widgets/tpaw-time.h>
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 #include <tp-account-widgets/tpaw-utils.h>
 
 #include "empathy-gsettings.h"
@@ -954,7 +955,7 @@ theme_adium_add_message (EmpathyThemeAdium *self,
         {
           if (!self->priv->data->default_avatar_filename)
             self->priv->data->default_avatar_filename =
-              empathy_filename_from_icon_name (TPAW_IMAGE_AVATAR_DEFAULT,
+              tpaw_filename_from_icon_name (TPAW_IMAGE_AVATAR_DEFAULT,
                        GTK_ICON_SIZE_DIALOG);
 
           avatar_filename = self->priv->data->default_avatar_filename;
diff --git a/libempathy-gtk/empathy-ui-utils.c b/libempathy-gtk/empathy-ui-utils.c
index 174eceac4..5e01d9fcc 100644
--- a/libempathy-gtk/empathy-ui-utils.c
+++ b/libempathy-gtk/empathy-ui-utils.c
@@ -37,6 +37,7 @@
 #include <glib/gi18n-lib.h>
 #include <gio/gdesktopappinfo.h>
 #include <tp-account-widgets/tpaw-live-search.h>
+#include <tp-account-widgets/tpaw-pixbuf-utils.h>
 #include <tp-account-widgets/tpaw-utils.h>
 
 #include "empathy-ft-factory.h"
@@ -155,69 +156,6 @@ empathy_protocol_name_for_contact (EmpathyContact *contact)
   return tp_account_get_icon_name (account);
 }
 
-GdkPixbuf *
-empathy_pixbuf_from_data (gchar *data,
-    gsize data_size)
-{
-  return empathy_pixbuf_from_data_and_mime (data, data_size, NULL);
-}
-
-GdkPixbuf *
-empathy_pixbuf_from_data_and_mime (gchar *data,
-           gsize data_size,
-           gchar **mime_type)
-{
-  GdkPixbufLoader *loader;
-  GdkPixbufFormat *format;
-  GdkPixbuf *pixbuf = NULL;
-  gchar **mime_types;
-  GError *error = NULL;
-
-  if (!data)
-    return NULL;
-
-  loader = gdk_pixbuf_loader_new ();
-  if (!gdk_pixbuf_loader_write (loader, (guchar *) data, data_size, &error))
-    {
-      DEBUG ("Failed to write to pixbuf loader: %s",
-        error ? error->message : "No error given");
-      goto out;
-    }
-
-  if (!gdk_pixbuf_loader_close (loader, &error))
-    {
-      DEBUG ("Failed to close pixbuf loader: %s",
-        error ? error->message : "No error given");
-      goto out;
-    }
-
-  pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
-  if (pixbuf)
-    {
-      g_object_ref (pixbuf);
-
-      if (mime_type != NULL)
-        {
-          format = gdk_pixbuf_loader_get_format (loader);
-          mime_types = gdk_pixbuf_format_get_mime_types (format);
-
-          *mime_type = g_strdup (*mime_types);
-          if (mime_types[1] != NULL)
-            DEBUG ("Loader supports more than one mime "
-              "type! Picking the first one, %s",
-              *mime_type);
-
-          g_strfreev (mime_types);
-        }
-    }
-
-out:
-  g_clear_error (&error);
-  g_object_unref (loader);
-
-  return pixbuf;
-}
-
 struct SizeData
 {
   gint width;
@@ -654,7 +592,7 @@ empathy_pixbuf_contact_status_icon_with_icon_name (EmpathyContact *contact,
   numerator = 3;
   denominator = 4;
 
-  icon_filename = empathy_filename_from_icon_name (icon_name,
+  icon_filename = tpaw_filename_from_icon_name (icon_name,
       GTK_ICON_SIZE_MENU);
 
   if (icon_filename == NULL)
@@ -711,7 +649,7 @@ empathy_pixbuf_protocol_from_contact_scaled (EmpathyContact *contact,
   g_return_val_if_fail (EMPATHY_IS_CONTACT (contact), NULL);
 
   account = empathy_contact_get_account (contact);
-  filename = empathy_filename_from_icon_name (
+  filename = tpaw_filename_from_icon_name (
       tp_account_get_icon_name (account), GTK_ICON_SIZE_MENU);
 
   if (filename != NULL)
@@ -723,94 +661,6 @@ empathy_pixbuf_protocol_from_contact_scaled (EmpathyContact *contact,
   return pixbuf;
 }
 
-GdkPixbuf *
-empathy_pixbuf_scale_down_if_necessary (GdkPixbuf *pixbuf,
-    gint max_size)
-{
-  gint width, height;
-  gdouble factor;
-
-  width = gdk_pixbuf_get_width (pixbuf);
-  height = gdk_pixbuf_get_height (pixbuf);
-
-  if (width > 0 && (width > max_size || height > max_size))
-    {
-      factor = (gdouble) max_size / MAX (width, height);
-
-      width = width * factor;
-      height = height * factor;
-
-      return gdk_pixbuf_scale_simple (pixbuf, width, height, GDK_INTERP_HYPER);
-    }
-
-  return g_object_ref (pixbuf);
-}
-
-GdkPixbuf *
-empathy_pixbuf_from_icon_name_sized (const gchar *icon_name,
-    gint size)
-{
-  GtkIconTheme *theme;
-  GdkPixbuf *pixbuf;
-  GError *error = NULL;
-
-  if (!icon_name)
-    return NULL;
-
-  theme = gtk_icon_theme_get_default ();
-
-  pixbuf = gtk_icon_theme_load_icon (theme, icon_name, size, 0, &error);
-
-  if (error)
-    {
-      DEBUG ("Error loading icon: %s", error->message);
-      g_clear_error (&error);
-    }
-
-  return pixbuf;
-}
-
-GdkPixbuf *
-empathy_pixbuf_from_icon_name (const gchar *icon_name,
-    GtkIconSize  icon_size)
-{
-  gint w, h;
-  gint size = 48;
-
-  if (!icon_name)
-    return NULL;
-
-  if (gtk_icon_size_lookup (icon_size, &w, &h))
-    size = (w + h) / 2;
-
-  return empathy_pixbuf_from_icon_name_sized (icon_name, size);
-}
-
-gchar *
-empathy_filename_from_icon_name (const gchar *icon_name,
-    GtkIconSize icon_size)
-{
-  GtkIconTheme *icon_theme;
-  GtkIconInfo *icon_info;
-  gint w, h;
-  gint size = 48;
-  gchar *ret;
-
-  icon_theme = gtk_icon_theme_get_default ();
-
-  if (gtk_icon_size_lookup (icon_size, &w, &h))
-    size = (w + h) / 2;
-
-  icon_info = gtk_icon_theme_lookup_icon (icon_theme, icon_name, size, 0);
-  if (icon_info == NULL)
-    return NULL;
-
-  ret = g_strdup (gtk_icon_info_get_filename (icon_info));
-  gtk_icon_info_free (icon_info);
-
-  return ret;
-}
-
 void
 empathy_url_show (GtkWidget *parent,
       const char *url)
diff --git a/libempathy-gtk/empathy-ui-utils.h b/libempathy-gtk/empathy-ui-utils.h
index 3478e8605..22c0899cb 100644
--- a/libempathy-gtk/empathy-ui-utils.h
+++ b/libempathy-gtk/empathy-ui-utils.h
@@ -60,11 +60,6 @@ const gchar * empathy_icon_name_for_presence (
 const gchar * empathy_icon_name_for_contact (EmpathyContact *contact);
 const gchar * empathy_icon_name_for_individual (FolksIndividual *individual);
 const gchar * empathy_protocol_name_for_contact (EmpathyContact *contact);
-GdkPixbuf * empathy_pixbuf_from_data (gchar *data,
-    gsize data_size);
-GdkPixbuf * empathy_pixbuf_from_data_and_mime (gchar *data,
-    gsize data_size,
-    gchar **mime_type);
 void empathy_pixbuf_avatar_from_individual_scaled_async (
     FolksIndividual *individual,
     gint width,
@@ -85,14 +80,6 @@ GdkPixbuf * empathy_pixbuf_contact_status_icon_with_icon_name (
     EmpathyContact *contact,
     const gchar *icon_name,
     gboolean show_protocol);
-GdkPixbuf * empathy_pixbuf_scale_down_if_necessary (GdkPixbuf *pixbuf,
-    gint max_size);
-GdkPixbuf * empathy_pixbuf_from_icon_name (const gchar *icon_name,
-    GtkIconSize icon_size);
-GdkPixbuf * empathy_pixbuf_from_icon_name_sized (const gchar *icon_name,
-    gint size);
-gchar * empathy_filename_from_icon_name (const gchar *icon_name,
-    GtkIconSize icon_size);
 
 void empathy_move_to_window_desktop (GtkWindow *window,
     guint32 timestamp);