Move Main.currentTime() and Main.createAppLaunchContext() into ShellGlobal

Primarily motivated by wanting these functions accessible from C.

https://bugzilla.gnome.org/show_bug.cgi?id=603522

js/ui/appDisplay.js

@@ -54,7 +54,7 @@ AppDisplayItem.prototype = {
         let windows = app.get_windows();
         if (windows.length > 0) {
             let mostRecentWindow = windows[0];
-            Main.overview.activateWindow(mostRecentWindow, Main.currentTime());
+            Main.overview.activateWindow(mostRecentWindow, global.get_current_time());
         } else {
             this._appInfo.launch();
         }
@@ -346,7 +346,7 @@ BaseWellItem.prototype = {
             if (this.actor.pressed && this._dragStartX != null) {
                 this.actor.fake_release();
                 this._draggable.startDrag(this._dragStartX, this._dragStartY,
-                                          Main.currentTime());
+                                          global.get_current_time());
             } else {
                 this._dragStartX = null;
                 this._dragStartY = null;
@@ -599,7 +599,7 @@ AppIconMenu.prototype = {
 
         this._redisplay();
 
-        this._windowContainer.popup(activatingButton, Main.currentTime());
+        this._windowContainer.popup(activatingButton, global.get_current_time());
 
         this.emit('popup', true);
 
@@ -756,7 +756,7 @@ RunningWellItem.prototype = {
 
     activateMostRecentWindow: function () {
         let mostRecentWindow = this.app.get_windows()[0];
-        Main.overview.activateWindow(mostRecentWindow, Main.currentTime());
+        Main.overview.activateWindow(mostRecentWindow, global.get_current_time());
     },
 
     highlightWindow: function(metaWindow) {
@@ -766,7 +766,7 @@ RunningWellItem.prototype = {
     activateWindow: function(metaWindow) {
         if (metaWindow) {
             this._didActivateWindow = true;
-            Main.overview.activateWindow(metaWindow, Main.currentTime());
+            Main.overview.activateWindow(metaWindow, global.get_current_time());
         } else
             Main.overview.hide();
     },

js/ui/appIcon.js

@@ -472,7 +472,7 @@ AppIconMenu.prototype = {
 
         this._redisplay();
 
-        this._windowContainer.popup(activatingButton, Main.currentTime());
+        this._windowContainer.popup(activatingButton, global.get_current_time());
 
         this.emit('popup', true);
 

js/ui/main.js

@@ -293,7 +293,7 @@ function _findModal(actor) {
  */
 function pushModal(actor) {
     if (modalCount == 0) {
-        if (!global.begin_modal(currentTime())) {
+        if (!global.begin_modal(global.get_current_time())) {
             log("pushModal: invocation of begin_modal failed");
             return false;
         }
@@ -346,7 +346,7 @@ function popModal(actor) {
     if (modalCount > 0)
         return;
 
-    global.end_modal(currentTime());
+    global.end_modal(global.get_current_time());
     global.set_stage_input_mode(Shell.StageInputMode.NORMAL);
 }
 
@@ -365,45 +365,6 @@ function getRunDialog() {
     return runDialog;
 }
 
-function createAppLaunchContext() {
-    let context = new Gdk.AppLaunchContext();
-    context.set_timestamp(currentTime());
-
-    // Make sure that the app is opened on the current workspace even if
-    // the user switches before it starts
-    context.set_desktop(global.screen.get_active_workspace_index());
-
-    return context;
-}
-
-/**
- * currentTime:
- *
- * Gets the current X server time from the current Clutter, Gdk, or X
- * event. If called from outside an event handler, this may return
- * %Clutter.CURRENT_TIME (aka 0), or it may return a slightly
- * out-of-date timestamp.
- */
-function currentTime() {
-    // meta_display_get_current_time() will return the correct time
-    // when handling an X or Gdk event, but will return CurrentTime
-    // from some Clutter event callbacks.
-    //
-    // clutter_get_current_event_time() will return the correct time
-    // from a Clutter event callback, but may return an out-of-date
-    // timestamp if called at other times.
-    //
-    // So we try meta_display_get_current_time() first, since we
-    // can recognize a "wrong" answer from that, and then fall back
-    // to clutter_get_current_event_time().
-
-    let time = global.screen.get_display().get_current_time();
-    if (time != Clutter.CURRENT_TIME)
-        return time;
-
-    return Clutter.get_current_event_time();
-}
-
 /**
  * activateWindow:
  * @window: the Meta.Window to activate
@@ -416,7 +377,7 @@ function activateWindow(window, time) {
     let windowWorkspaceNum = window.get_workspace().index();
 
     if (!time)
-        time = currentTime();
+        time = global.get_current_time();
 
     if (windowWorkspaceNum != activeWorkspaceNum) {
         let workspace = global.screen.get_workspace_by_index(windowWorkspaceNum);

js/ui/overview.js

@@ -457,7 +457,7 @@ Overview.prototype = {
     },
 
     _addNewWorkspace: function() {
-        global.screen.append_new_workspace(false, Main.currentTime());
+        global.screen.append_new_workspace(false, global.get_current_time());
     },
 
     _acceptNewWorkspaceDrop: function(source, dropActor, x, y, time) {

js/ui/placeDisplay.js

@@ -65,7 +65,7 @@ PlacesManager.prototype = {
                 return Shell.TextureCache.get_default().load_gicon(homeIcon, size);
             },
             function() {
-                Gio.app_info_launch_default_for_uri(homeUri, Main.createAppLaunchContext());
+                Gio.app_info_launch_default_for_uri(homeUri, global.create_app_launch_context());
             });
 
         let desktopPath = GLib.get_user_special_dir(GLib.UserDirectory.DIRECTORY_DESKTOP);
@@ -78,7 +78,7 @@ PlacesManager.prototype = {
                 return Shell.TextureCache.get_default().load_gicon(desktopIcon, size);
             },
             function() {
-                Gio.app_info_launch_default_for_uri(desktopUri, Main.createAppLaunchContext());
+                Gio.app_info_launch_default_for_uri(desktopUri, global.create_app_launch_context());
             });
 
         this._connect = new PlaceInfo(_("Connect to..."),
@@ -243,7 +243,7 @@ PlacesManager.prototype = {
                     return Shell.TextureCache.get_default().load_gicon(icon, size);
                 },
                 function() {
-                    Gio.app_info_launch_default_for_uri(bookmark, Main.createAppLaunchContext());
+                    Gio.app_info_launch_default_for_uri(bookmark, global.create_app_launch_context());
                 });
             this._bookmarks.push(item);
         }
@@ -272,7 +272,7 @@ PlacesManager.prototype = {
                         return Shell.TextureCache.get_default().load_gicon(mountIcon, size);
                },
                function() {
-                        Gio.app_info_launch_default_for_uri(mountUri, Main.createAppLaunchContext());
+                        Gio.app_info_launch_default_for_uri(mountUri, global.create_app_launch_context());
                });
         this._mounts.push(devItem);
     },

src/shell-global.c

@@ -1064,3 +1064,63 @@ shell_popup_menu (GtkMenu *menu, int button, guint32 time,
   gtk_menu_popup (menu, NULL, NULL, shell_popup_menu_position_func, NULL,
                   button, time);
 }
+
+/**
+ * shell_global_get_current_time:
+ * @global: A #ShellGlobal
+ *
+ * Returns: the current X server time from the current Clutter, Gdk, or X
+ * event. If called from outside an event handler, this may return
+ * %Clutter.CURRENT_TIME (aka 0), or it may return a slightly
+ * out-of-date timestamp.
+ */
+guint32
+shell_global_get_current_time (ShellGlobal *global)
+{
+  guint32 time;
+  MetaDisplay *display;
+
+  /* meta_display_get_current_time() will return the correct time
+     when handling an X or Gdk event, but will return CurrentTime
+     from some Clutter event callbacks.
+
+     clutter_get_current_event_time() will return the correct time
+     from a Clutter event callback, but may return an out-of-date
+     timestamp if called at other times.
+
+     So we try meta_display_get_current_time() first, since we
+     can recognize a "wrong" answer from that, and then fall back
+     to clutter_get_current_event_time().
+   */
+
+  display = meta_screen_get_display (shell_global_get_screen (global));
+  time = meta_display_get_current_time (display);
+  if (time != CLUTTER_CURRENT_TIME)
+      return time;
+
+  return clutter_get_current_event_time ();
+}
+
+/**
+ * shell_global_get_app_launch_context:
+ * @global: A #ShellGlobal
+ *
+ * Create a #GAppLaunchContext set up with the correct timestamp, and
+ * targeted to activate on the current workspace.
+ *
+ * Return value: A new #GAppLaunchContext
+ */
+GAppLaunchContext *
+shell_global_create_app_launch_context (ShellGlobal *global)
+{
+  GdkAppLaunchContext *context;
+
+  context = gdk_app_launch_context_new ();
+  gdk_app_launch_context_set_timestamp (context, shell_global_get_current_time (global));
+
+  // Make sure that the app is opened on the current workspace even if
+  // the user switches before it starts
+  gdk_app_launch_context_set_desktop (context, meta_screen_get_active_workspace_index (shell_global_get_screen (global)));
+
+  return (GAppLaunchContext *)context;
+}

src/shell-global.h

@@ -82,6 +82,9 @@ ClutterModifierType shell_get_event_state (ClutterEvent *event);
 void shell_popup_menu (GtkMenu *menu, int button, guint32 time,
                        int menu_x, int menu_y);
 
+guint32 shell_global_get_current_time (ShellGlobal *global);
+
+GAppLaunchContext *shell_global_create_app_launch_context (ShellGlobal *global);
 
 G_END_DECLS