[gnome-flashback] desktop: launch .desktop files

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 084287e2121568474f511025b6133601e5a510a5
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Nov 14 00:21:16 2019 +0200

    desktop: launch .desktop files

 gnome-flashback/libdesktop/gf-icon-view.c |  1 +
 gnome-flashback/libdesktop/gf-icon.c      | 97 +++++++++++++++++++++++++------
 gnome-flashback/libdesktop/gf-utils.c     |  7 +++
 gnome-flashback/libdesktop/gf-utils.h     | 12 ++--
 4 files changed, 94 insertions(+), 23 deletions(-)
---
diff --git a/gnome-flashback/libdesktop/gf-icon-view.c b/gnome-flashback/libdesktop/gf-icon-view.c
index d93ee6d..c56a05d 100644
--- a/gnome-flashback/libdesktop/gf-icon-view.c
+++ b/gnome-flashback/libdesktop/gf-icon-view.c
@@ -109,6 +109,7 @@ get_required_attributes (void)
   return build_attributes_list (G_FILE_ATTRIBUTE_STANDARD_NAME,
                                 G_FILE_ATTRIBUTE_STANDARD_DISPLAY_NAME,
                                 G_FILE_ATTRIBUTE_STANDARD_ICON,
+                                G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
                                 G_FILE_ATTRIBUTE_STANDARD_IS_HIDDEN,
                                 G_FILE_ATTRIBUTE_STANDARD_IS_BACKUP,
                                 NULL);
diff --git a/gnome-flashback/libdesktop/gf-icon.c b/gnome-flashback/libdesktop/gf-icon.c
index 024fcf4..9a33333 100644
--- a/gnome-flashback/libdesktop/gf-icon.c
+++ b/gnome-flashback/libdesktop/gf-icon.c
@@ -18,6 +18,7 @@
 #include "config.h"
 #include "gf-icon.h"
 
+#include <gio/gdesktopappinfo.h>
 #include <glib/gi18n.h>
 
 #include "gf-desktop-enums.h"
@@ -26,21 +27,23 @@
 
 typedef struct
 {
-  GtkGesture *multi_press;
+  GtkGesture      *multi_press;
 
-  GfIconView *icon_view;
-  GFile      *file;
-  GFileInfo  *info;
+  GfIconView      *icon_view;
+  GFile           *file;
+  GFileInfo       *info;
 
-  GfIconSize  icon_size;
-  guint       extra_text_width;
+  GfIconSize       icon_size;
+  guint            extra_text_width;
 
-  char       *css_class;
+  char            *css_class;
 
-  GtkWidget  *image;
-  GtkWidget  *label;
+  GtkWidget       *image;
+  GtkWidget       *label;
 
-  gboolean    selected;
+  gboolean         selected;
+
+  GDesktopAppInfo *app_info;
 } GfIconPrivate;
 
 enum
@@ -91,14 +94,25 @@ static void
 icon_open (GfIcon *self)
 {
   GfIconPrivate *priv;
-  char *uri;
   GError *error;
+  char *uri;
 
   priv = gf_icon_get_instance_private (self);
+  error = NULL;
+
+  if (priv->app_info != NULL)
+    {
+      if (!gf_launch_app_info (priv->app_info, &error))
+        {
+          g_warning ("%s", error->message);
+          g_error_free (error);
+        }
+
+      return;
+    }
 
   uri = g_file_get_uri (priv->file);
 
-  error = NULL;
   if (!gf_launch_uri (uri, &error))
     {
       g_warning ("%s", error->message);
@@ -280,26 +294,69 @@ set_icon_size (GfIcon *self,
 }
 
 static void
-gf_icon_constructed (GObject *object)
+update_icon (GfIcon *self)
 {
-  GfIcon *self;
   GfIconPrivate *priv;
   GIcon *icon;
-  const char *name;
 
-  self = GF_ICON (object);
   priv = gf_icon_get_instance_private (self);
 
-  G_OBJECT_CLASS (gf_icon_parent_class)->constructed (object);
+  icon = NULL;
+  if (priv->app_info != NULL)
+    icon = g_app_info_get_icon (G_APP_INFO (priv->app_info));
+
+  if (icon == NULL)
+    icon = g_file_info_get_icon (priv->info);
 
-  icon = g_file_info_get_icon (priv->info);
   gtk_image_set_from_gicon (GTK_IMAGE (priv->image), icon, GTK_ICON_SIZE_DIALOG);
   gtk_image_set_pixel_size (GTK_IMAGE (priv->image), priv->icon_size);
+}
+
+static void
+update_text (GfIcon *self)
+{
+  GfIconPrivate *priv;
+  const char *name;
+
+  priv = gf_icon_get_instance_private (self);
+
+  name = NULL;
+  if (priv->app_info != NULL)
+    name = g_app_info_get_name (G_APP_INFO (priv->app_info));
+
+  if (name == NULL)
+    name = g_file_info_get_display_name (priv->info);
 
-  name = g_file_info_get_display_name (priv->info);
   gtk_label_set_text (GTK_LABEL (priv->label), name);
 }
 
+static void
+gf_icon_constructed (GObject *object)
+{
+  GfIcon *self;
+  GfIconPrivate *priv;
+  const char *content_type;
+
+  self = GF_ICON (object);
+  priv = gf_icon_get_instance_private (self);
+
+  G_OBJECT_CLASS (gf_icon_parent_class)->constructed (object);
+
+  content_type = g_file_info_get_content_type (priv->info);
+
+  if (g_strcmp0 (content_type, "application/x-desktop") == 0)
+    {
+      char *path;
+
+      path = g_file_get_path (priv->file);
+      priv->app_info = g_desktop_app_info_new_from_filename (path);
+      g_free (path);
+    }
+
+  update_icon (self);
+  update_text (self);
+}
+
 static void
 gf_icon_dispose (GObject *object)
 {
@@ -314,6 +371,8 @@ gf_icon_dispose (GObject *object)
   g_clear_object (&priv->file);
   g_clear_object (&priv->info);
 
+  g_clear_object (&priv->app_info);
+
   G_OBJECT_CLASS (gf_icon_parent_class)->dispose (object);
 }
 
diff --git a/gnome-flashback/libdesktop/gf-utils.c b/gnome-flashback/libdesktop/gf-utils.c
index 3ca8baa..85a32f2 100644
--- a/gnome-flashback/libdesktop/gf-utils.c
+++ b/gnome-flashback/libdesktop/gf-utils.c
@@ -106,6 +106,13 @@ get_app_info_for_uri (const gchar  *uri,
   return app_info;
 }
 
+gboolean
+gf_launch_app_info (GDesktopAppInfo  *app_info,
+                    GError          **error)
+{
+  return app_info_launch_uris (app_info, NULL, error);
+}
+
 gboolean
 gf_launch_desktop_file (const char  *desktop_file,
                         GError     **error)
diff --git a/gnome-flashback/libdesktop/gf-utils.h b/gnome-flashback/libdesktop/gf-utils.h
index e07e91a..52d370a 100644
--- a/gnome-flashback/libdesktop/gf-utils.h
+++ b/gnome-flashback/libdesktop/gf-utils.h
@@ -18,15 +18,19 @@
 #ifndef GF_UTILS_H
 #define GF_UTILS_H
 
+#include <gio/gdesktopappinfo.h>
 #include <glib.h>
 
 G_BEGIN_DECLS
 
-gboolean gf_launch_desktop_file (const char  *desktop_file,
-                                 GError     **error);
+gboolean gf_launch_app_info     (GDesktopAppInfo  *app_info,
+                                 GError          **error);
 
-gboolean gf_launch_uri          (const char  *uri,
-                                 GError     **error);
+gboolean gf_launch_desktop_file (const char       *desktop_file,
+                                 GError          **error);
+
+gboolean gf_launch_uri          (const char       *uri,
+                                 GError          **error);
 
 G_END_DECLS