pidgin.custom_smiley: f78bb7f5: Introduce API for GtkIMHtmlSmiley. Use t...

sadrul at pidgin.im sadrul at pidgin.im
Mon Mar 17 20:46:07 EDT 2008


-----------------------------------------------------------------
Revision: f78bb7f531a4f3868b35c70ede0cd791f4a23dac
Ancestor: ed4d097cef855179282cf0b8a45f6e670d407c15
Author: sadrul at pidgin.im
Date: 2008-03-18T00:47:52
Branch: im.pidgin.pidgin.custom_smiley
URL: http://d.pidgin.im/viewmtn/revision/info/f78bb7f531a4f3868b35c70ede0cd791f4a23dac

Modified files:
        ChangeLog.API pidgin/gtkconv.c pidgin/gtkimhtml.c
        pidgin/gtkimhtml.h pidgin/gtksmiley.c pidgin/gtkthemes.c

ChangeLog: 

Introduce API for GtkIMHtmlSmiley. Use this to prevent leaking remote custom emoticons.

-------------- next part --------------
============================================================
--- ChangeLog.API	543e3539ffc2e562e2adfbc13e49f66fbc428bea
+++ ChangeLog.API	e4f0882c1ee23208e43454e0f67103154e30442d
@@ -1,5 +1,11 @@ Pidgin and Finch: The Pimpin' Penguin IM
 Pidgin and Finch: The Pimpin' Penguin IM Clients That're Good for the Soul
 
+version 2.5.0 (??/??/2008):
+	pidgin:
+		Added:
+		* gtk_imhtml_smiley_create, gtk_imhtml_smiley_reload and
+		  gtk_imhtml_smiley_destroy to deal with GtkIMHtmlSmiley's.
+
 version 2.4.0 (02/29/2008):
 	libpurple:
 		Added:
============================================================
--- pidgin/gtkconv.c	cced448e12bb995b4cfcb1552a1716b0d9f457b7
+++ pidgin/gtkconv.c	efeceb214ebbbc7e809a0a5444867ac5a95c1498
@@ -157,8 +157,6 @@ gboolean pidgin_conv_has_focus(PurpleCon
 static void update_typing_message(PidginConversation *gtkconv, const char *message);
 static const char *item_factory_translate_func (const char *path, gpointer func_data);
 gboolean pidgin_conv_has_focus(PurpleConversation *conv);
-static void pidgin_conv_custom_smiley_allocated(GdkPixbufLoader *loader, gpointer user_data);
-static void pidgin_conv_custom_smiley_closed(GdkPixbufLoader *loader, gpointer user_data);
 static GdkColor* generate_nick_colors(guint *numcolors, GdkColor background);
 static gboolean color_is_visible(GdkColor foreground, GdkColor background, int color_contrast, int brightness_contrast);
 static void pidgin_conv_update_fields(PurpleConversation *conv, PidginConvFields fields);
@@ -5985,119 +5983,24 @@ pidgin_conv_has_focus(PurpleConversation
 	return FALSE;
 }
 
-static void pidgin_conv_custom_smiley_allocated(GdkPixbufLoader *loader, gpointer user_data)
-{
-	GtkIMHtmlSmiley *smiley;
-
-	smiley = (GtkIMHtmlSmiley *)user_data;
-	smiley->icon = gdk_pixbuf_loader_get_animation(loader);
-
-	if (smiley->icon)
-		g_object_ref(G_OBJECT(smiley->icon));
-#ifdef DEBUG_CUSTOM_SMILEY
-	purple_debug_info("custom-smiley", "pidgin_conv_custom_smiley_allocated(): got GdkPixbufAnimation %p for smiley '%s'\n", smiley->icon, smiley->smile);
-#endif
-}
-
-static void pidgin_conv_custom_smiley_closed(GdkPixbufLoader *loader, gpointer user_data)
-{
-	GtkIMHtmlSmiley *smiley;
-	GtkWidget *icon = NULL;
-	GtkTextChildAnchor *anchor = NULL;
-	GSList *current = NULL;
-
-	smiley = (GtkIMHtmlSmiley *)user_data;
-	if (!smiley->imhtml) {
-#ifdef DEBUG_CUSTOM_SMILEY
-		purple_debug_error("custom-smiley", "pidgin_conv_custom_smiley_closed(): orphan smiley found: %p\n", smiley);
-#endif
-		g_object_unref(G_OBJECT(loader));
-		smiley->loader = NULL;
-		return;
-	}
-
-	for (current = smiley->anchors; current; current = g_slist_next(current)) {
-
-		icon = gtk_image_new_from_animation(smiley->icon);
-
-#ifdef DEBUG_CUSTOM_SMILEY
-		purple_debug_info("custom-smiley", "pidgin_conv_custom_smiley_closed(): got GtkImage %p from GtkPixbufAnimation %p for smiley '%s'\n",
-				icon, smiley->icon, smiley->smile);
-#endif
-		if (icon) {
-			GList *wids;
-			gtk_widget_show(icon);
-
-			anchor = GTK_TEXT_CHILD_ANCHOR(current->data);
-			wids = gtk_text_child_anchor_get_widgets(anchor);
-
-			g_object_set_data_full(G_OBJECT(anchor), "gtkimhtml_plaintext", purple_unescape_html(smiley->smile), g_free);
-			g_object_set_data_full(G_OBJECT(anchor), "gtkimhtml_htmltext", g_strdup(smiley->smile), g_free);
-
-			if (smiley->imhtml) {
-				if (wids) {
-					GList *children = gtk_container_get_children(GTK_CONTAINER(wids->data));
-					g_list_foreach(children, (GFunc)gtk_widget_destroy, NULL);
-					g_list_free(children);
-					gtk_container_add(GTK_CONTAINER(wids->data), icon);
-				} else
-					gtk_text_view_add_child_at_anchor(GTK_TEXT_VIEW(smiley->imhtml), icon, anchor);
-			}
-			g_list_free(wids);
-		}
-
-	}
-
-	g_slist_free(smiley->anchors);
-	smiley->anchors = NULL;
-
-	g_object_unref(G_OBJECT(loader));
-	smiley->loader = NULL;
-}
-
 static gboolean
 add_custom_smiley_for_imhtml(GtkIMHtml *imhtml, const char *sml, const char *smile)
 {
 	GtkIMHtmlSmiley *smiley;
-	GdkPixbufLoader *loader;
 
 	smiley = gtk_imhtml_smiley_get(imhtml, sml, smile);
 
 	if (smiley) {
-
 		if (!(smiley->flags & GTK_IMHTML_SMILEY_CUSTOM)) {
 			return FALSE;
 		}
-
-		/* Close the old GdkPixbufAnimation, then create a new one for
-		 * the smiley we are about to receive */
-		g_object_unref(G_OBJECT(smiley->icon));
-
-		/* XXX: Is it necessary to _unref the loader first? */
-		smiley->loader = gdk_pixbuf_loader_new();
-		smiley->icon = NULL;
-
-		g_signal_connect(smiley->loader, "area_prepared", G_CALLBACK(pidgin_conv_custom_smiley_allocated), smiley);
-		g_signal_connect(smiley->loader, "closed", G_CALLBACK(pidgin_conv_custom_smiley_closed), smiley);
-
+		gtk_imhtml_smiley_reload(smiley);
 		return TRUE;
 	}
 
-	loader = gdk_pixbuf_loader_new();
-
-	/* this is wrong, this file ought not call g_new on GtkIMHtmlSmiley */
-	/* Let gtk_imhtml have a gtk_imhtml_smiley_new function, and let
-	   GtkIMHtmlSmiley by opaque */
-	smiley = g_new0(GtkIMHtmlSmiley, 1);
-	smiley->file   = NULL;
-	smiley->smile  = g_strdup(smile);
-	smiley->loader = loader;
-	smiley->flags  = smiley->flags | GTK_IMHTML_SMILEY_CUSTOM;
-
-	g_signal_connect(smiley->loader, "area_prepared", G_CALLBACK(pidgin_conv_custom_smiley_allocated), smiley);
-	g_signal_connect(smiley->loader, "closed", G_CALLBACK(pidgin_conv_custom_smiley_closed), smiley);
-
+	smiley = gtk_imhtml_smiley_create(NULL, smile, FALSE, GTK_IMHTML_SMILEY_CUSTOM);
 	gtk_imhtml_associate_smiley(imhtml, sml, smiley);
+	g_signal_connect_swapped(imhtml, "destroy", G_CALLBACK(gtk_imhtml_smiley_destroy), smiley);
 
 	return TRUE;
 }
============================================================
--- pidgin/gtkimhtml.c	6ddec5d16cea88e2bbb7d511384fd9e616da527b
+++ pidgin/gtkimhtml.c	992dbcbc4f735572bde6bff768c24c2f4715e7c8
@@ -5200,4 +5200,123 @@ void gtk_imhtml_setup_entry(GtkIMHtml *i
 	gtk_imhtml_set_format_functions(imhtml, buttons);
 }
 
+/*******
+ * GtkIMHtmlSmiley functions
+ *******/
+static void gtk_custom_smiley_allocated(GdkPixbufLoader *loader, gpointer user_data)
+{
+	GtkIMHtmlSmiley *smiley;
 
+	smiley = (GtkIMHtmlSmiley *)user_data;
+	smiley->icon = gdk_pixbuf_loader_get_animation(loader);
+
+	if (smiley->icon)
+		g_object_ref(G_OBJECT(smiley->icon));
+#ifdef DEBUG_CUSTOM_SMILEY
+	purple_debug_info("custom-smiley", "gtk_custom_smiley_allocated(): got GdkPixbufAnimation %p for smiley '%s'\n", smiley->icon, smiley->smile);
+#endif
+}
+
+static void gtk_custom_smiley_closed(GdkPixbufLoader *loader, gpointer user_data)
+{
+	GtkIMHtmlSmiley *smiley;
+	GtkWidget *icon = NULL;
+	GtkTextChildAnchor *anchor = NULL;
+	GSList *current = NULL;
+
+	smiley = (GtkIMHtmlSmiley *)user_data;
+	if (!smiley->imhtml) {
+#ifdef DEBUG_CUSTOM_SMILEY
+		purple_debug_error("custom-smiley", "gtk_custom_smiley_closed(): orphan smiley found: %p\n", smiley);
+#endif
+		g_object_unref(G_OBJECT(loader));
+		smiley->loader = NULL;
+		return;
+	}
+
+	for (current = smiley->anchors; current; current = g_slist_next(current)) {
+
+		icon = gtk_image_new_from_animation(smiley->icon);
+
+#ifdef DEBUG_CUSTOM_SMILEY
+		purple_debug_info("custom-smiley", "gtk_custom_smiley_closed(): got GtkImage %p from GtkPixbufAnimation %p for smiley '%s'\n",
+				icon, smiley->icon, smiley->smile);
+#endif
+		if (icon) {
+			GList *wids;
+			gtk_widget_show(icon);
+
+			anchor = GTK_TEXT_CHILD_ANCHOR(current->data);
+			wids = gtk_text_child_anchor_get_widgets(anchor);
+
+			g_object_set_data_full(G_OBJECT(anchor), "gtkimhtml_plaintext", purple_unescape_html(smiley->smile), g_free);
+			g_object_set_data_full(G_OBJECT(anchor), "gtkimhtml_htmltext", g_strdup(smiley->smile), g_free);
+
+			if (smiley->imhtml) {
+				if (wids) {
+					GList *children = gtk_container_get_children(GTK_CONTAINER(wids->data));
+					g_list_foreach(children, (GFunc)gtk_widget_destroy, NULL);
+					g_list_free(children);
+					gtk_container_add(GTK_CONTAINER(wids->data), icon);
+				} else
+					gtk_text_view_add_child_at_anchor(GTK_TEXT_VIEW(smiley->imhtml), icon, anchor);
+			}
+			g_list_free(wids);
+		}
+
+	}
+
+	g_slist_free(smiley->anchors);
+	smiley->anchors = NULL;
+
+	g_object_unref(G_OBJECT(loader));
+	smiley->loader = NULL;
+}
+
+void
+gtk_imhtml_smiley_reload(GtkIMHtmlSmiley *smiley)
+{
+	if (smiley->icon)
+		g_object_unref(smiley->icon);
+	if (smiley->loader)
+		g_object_unref(smiley->loader);  /* XXX: does this crash? */
+
+	smiley->icon = NULL;
+	smiley->loader = NULL;
+
+	if (smiley->file) {
+		/* We do not use the pixbuf loader for a smiley that can be loaded
+		 * from a file. (e.g., local custom smileys)
+		 */
+		return;
+	}
+
+	smiley->loader = gdk_pixbuf_loader_new();
+
+	g_signal_connect(smiley->loader, "area_prepared", G_CALLBACK(gtk_custom_smiley_allocated), smiley);
+	g_signal_connect(smiley->loader, "closed", G_CALLBACK(gtk_custom_smiley_closed), smiley);
+}
+
+GtkIMHtmlSmiley *gtk_imhtml_smiley_create(const char *file, const char *shortcut, gboolean hide,
+		GtkIMHtmlSmileyFlags flags)
+{
+	GtkIMHtmlSmiley *smiley = g_new0(GtkIMHtmlSmiley, 1);
+	smiley->file = g_strdup(file);
+	smiley->smile = g_strdup(shortcut);
+	smiley->hidden = hide;
+	smiley->flags = flags;
+	gtk_imhtml_smiley_reload(smiley);
+	return smiley;
+}
+
+void gtk_imhtml_smiley_destroy(GtkIMHtmlSmiley *smiley)
+{
+	g_free(smiley->smile);
+	g_free(smiley->file);
+	if (smiley->icon)
+		g_object_unref(smiley->icon);
+	if (smiley->loader)
+		g_object_unref(smiley->loader);
+	g_free(smiley);
+}
+
============================================================
--- pidgin/gtkimhtml.h	92ad0cd035ed124fdc45d3d9b6a6043048c3dd25
+++ pidgin/gtkimhtml.h	8f16694183c22862395dd5a58e27980c503dd024
@@ -852,6 +852,12 @@ void gtk_imhtml_setup_entry(GtkIMHtml *i
  */
 void gtk_imhtml_setup_entry(GtkIMHtml *imhtml, PurpleConnectionFlags flags);
 
+GtkIMHtmlSmiley *gtk_imhtml_smiley_create(const char *file, const char *shortcut, gboolean hide,
+		GtkIMHtmlSmileyFlags flags);
+
+void gtk_imhtml_smiley_reload(GtkIMHtmlSmiley *smiley);
+
+void gtk_imhtml_smiley_destroy(GtkIMHtmlSmiley *smiley);
 /*@}*/
 
 #ifdef __cplusplus
============================================================
--- pidgin/gtksmiley.c	f975d108cb4acab5fa5f1ad140743fbae8aa994a
+++ pidgin/gtksmiley.c	d743480f99889780c59da3fe8f3c68baac3e9c2d
@@ -91,11 +91,9 @@ static GtkIMHtmlSmiley *smiley_purple_to
 
 	filename = g_build_filename(purple_smileys_get_storing_dir(),file, NULL);
 
-	gtksmiley = g_new0(GtkIMHtmlSmiley,1);
-	gtksmiley->smile = g_strdup(purple_smiley_get_shortcut(smiley));
-	gtksmiley->hidden = FALSE;
-	gtksmiley->file = filename;
-	gtksmiley->flags = GTK_IMHTML_SMILEY_CUSTOM;
+	gtksmiley = gtk_imhtml_smiley_create(filename, purple_smiley_get_shortcut(smiley),
+			FALSE, GTK_IMHTML_SMILEY_CUSTOM);
+	g_free(filename);
 
 	return gtksmiley;
 }
@@ -108,14 +106,6 @@ void pidgin_smiley_add_to_list(PurpleSmi
 	add_gtkimhtml_to_list(gtksmiley);
 }
 
-static void destroy_gtksmiley(GtkIMHtmlSmiley *gtksmiley)
-{
-	purple_debug_info("gtksmiley", "destroying %s\n", gtksmiley->smile);
-	g_free(gtksmiley->smile);
-	g_free(gtksmiley->file);
-	g_free(gtksmiley);
-}
-
 void pidgin_smiley_del_from_list(PurpleSmiley *smiley)
 {
 	GSList *list = NULL;
@@ -132,7 +122,7 @@ void pidgin_smiley_del_from_list(PurpleS
 		if (strcmp(gtksmiley->smile, purple_smiley_get_shortcut(smiley)))
 			continue;
 
-		destroy_gtksmiley(gtksmiley);
+		gtk_imhtml_smiley_destroy(gtksmiley);
 		break;
 	}
 
@@ -169,7 +159,7 @@ void pidgin_smileys_uninit(void)
 
 	for (; list; list = g_slist_delete_link(list, list)) {
 		gtksmiley = (GtkIMHtmlSmiley*)list->data;
-		destroy_gtksmiley(gtksmiley);
+		gtk_imhtml_smiley_destroy(gtksmiley);
 	}
 
 	gtk_smileys = NULL;
============================================================
--- pidgin/gtkthemes.c	7a2ed108d00a89a1b809cee04e60d53338ccea93
+++ pidgin/gtkthemes.c	e916342140982886e50abb172e5139f184256be9
@@ -135,7 +135,7 @@ static void _pidgin_themes_smiley_themei
 			gtk_imhtml_associate_smiley(GTK_IMHTML(imhtml), sml, icons->data);
 			icons = icons->next;
 		}
-		
+
 		if (custom == TRUE) {
 			icons = pidgin_smileys_get_all();
 
@@ -295,7 +295,6 @@ void pidgin_themes_load_smiley_theme(con
 		} else if (load && list) {
 			gboolean hidden = FALSE;
 			char *sfile = NULL;
-			gboolean have_used_sfile = FALSE;
 
 			if (*i == '!' && *(i + 1) == ' ') {
 				hidden = TRUE;
@@ -309,17 +308,12 @@ void pidgin_themes_load_smiley_theme(con
 						i++;
 					l[li++] = *(i++);
 				}
+				l[li] = 0;
 				if (!sfile) {
-					l[li] = 0;
 					sfile = g_build_filename(dirname, l, NULL);
 				} else {
-					GtkIMHtmlSmiley *smiley = g_new0(GtkIMHtmlSmiley, 1);
-					l[li] = 0;
-					smiley->file = sfile;
-					smiley->smile = g_strdup(l);
-					smiley->hidden = hidden;
+					GtkIMHtmlSmiley *smiley = gtk_imhtml_smiley_create(sfile, l, hidden, 0);
 					list->smileys = g_slist_prepend(list->smileys, smiley);
-					have_used_sfile = TRUE;
 				}
 				while (isspace(*i))
 					i++;
@@ -327,8 +321,7 @@ void pidgin_themes_load_smiley_theme(con
 			}
 
 
-			if (!have_used_sfile)
-				g_free(sfile);
+			g_free(sfile);
 		}
 	}
 


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