[gnome-shell/wip/carlosg/launch-context] shell-global: Use MetaLaunchContext instead of GdkLaunchContext

[Carlos Garnacho <carlosg src gnome org>]

commit 0b58d9d7ed84400bafebc1fad7b246a2f12d0485
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Dec 13 20:42:41 2018 +0100

    shell-global: Use MetaLaunchContext instead of GdkLaunchContext
    
    Is functionally the same, without requiring the MetaX11Display.

 src/shell-global.c | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)
---
diff --git a/src/shell-global.c b/src/shell-global.c
index dbd3bbe95..02827e3a7 100644
--- a/src/shell-global.c
+++ b/src/shell-global.c
@@ -1388,24 +1388,32 @@ shell_global_create_app_launch_context (ShellGlobal *global,
                                         guint32      timestamp,
                                         int          workspace)
 {
-  GdkAppLaunchContext *context;
+  MetaWorkspaceManager *workspace_manager = global->workspace_manager;
+  MetaStartupNotification *sn;
+  MetaLaunchContext *context;
+  MetaWorkspace *ws = NULL;
 
-  context = gdk_display_get_app_launch_context (global->gdk_display);
+  sn = meta_display_get_startup_notification (global->meta_display);
+  context = meta_startup_notification_create_launcher (sn);
 
   if (timestamp == 0)
     timestamp = shell_global_get_current_time (global);
-  gdk_app_launch_context_set_timestamp (context, timestamp);
+  if (timestamp != 0)
+    meta_launch_context_set_timestamp (context, timestamp);
 
   if (workspace < 0)
     {
-      MetaWorkspaceManager *workspace_manager = global->workspace_manager;
-
-      workspace =
-        meta_workspace_manager_get_active_workspace_index (workspace_manager);
+      ws = meta_workspace_manager_get_active_workspace (workspace_manager);
     }
-  gdk_app_launch_context_set_desktop (context, workspace);
+  else
+    {
+      ws = meta_workspace_manager_get_workspace_by_index (workspace_manager,
+                                                          workspace);
+    }
+
+  meta_launch_context_set_workspace (context, ws);
 
-  return (GAppLaunchContext *)context;
+  return (GAppLaunchContext *) context;
 }
 
 typedef struct