appDisplay: Include system actions in search results

The way system actions are displayed in the search
results is by appending them at the end of the list
returned by the ApplicationProvider.

https://bugzilla.gnome.org/show_bug.cgi?id=691900

data/theme/gnome-shell-high-contrast.css

@@ -1210,6 +1210,12 @@ StScrollBar {
   .icon-grid .overview-icon {
     icon-size: 96px; }
 
+.system-action-icon {
+  background-color: black;
+  color: white;
+  border-radius: 99px;
+  icon-size: 48px; }
+
 .app-view-controls {
   padding-bottom: 32px; }
 

data/theme/gnome-shell.css

@@ -1210,6 +1210,12 @@ StScrollBar {
   .icon-grid .overview-icon {
     icon-size: 96px; }
 
+.system-action-icon {
+  background-color: black;
+  color: white;
+  border-radius: 99px;
+  icon-size: 48px; }
+
 .app-view-controls {
   padding-bottom: 32px; }
 

js/ui/appDisplay.js

@@ -24,8 +24,11 @@ const OverviewControls = imports.ui.overviewControls;
 const PopupMenu = imports.ui.popupMenu;
 const Tweener = imports.ui.tweener;
 const Workspace = imports.ui.workspace;
+const Search = imports.ui.search;
+const System = imports.ui.status.system;
 const Params = imports.misc.params;
 const Util = imports.misc.util;
+const SystemActions = imports.misc.systemActions;
 
 var MAX_APPLICATION_WORK_MILLIS = 75;
 var MENU_POPUP_TIMEOUT = 600;
@@ -1085,19 +1088,35 @@ var AppSearchProvider = new Lang.Class({
         this.id = 'applications';
         this.isRemoteProvider = false;
         this.canLaunchSearch = false;
+
+        this._systemActions = new SystemActions.getDefault();
     },
 
     getResultMetas: function(apps, callback) {
         let metas = [];
-        for (let i = 0; i < apps.length; i++) {
+        for (let id of apps) {
-            let app = this._appSys.lookup_app(apps[i]);
+            if (id.endsWith('.desktop')) {
-            metas.push({ 'id': app.get_id(),
+                let app = this._appSys.lookup_app(id);
-                         'name': app.get_name(),
+
-                         'createIcon': function(size) {
+                metas.push({ 'id': app.get_id(),
-                             return app.create_icon_texture(size);
+                             'name': app.get_name(),
-                         }
+                             'createIcon': function(size) {
-                       });
+                                 return app.create_icon_texture(size);
+                           }
+                });
+            } else {
+                let name = this._systemActions.getName(id);
+                let iconName = this._systemActions.getIconName(id);
+
+                let createIcon = size => new St.Icon({ icon_name: iconName,
+                                                       width: size,
+                                                       height: size,
+                                                       style_class: 'system-action-icon' });
+
+                metas.push({ id, name, createIcon });
+            }
         }
+
         callback(metas);
     },
 
@@ -1119,6 +1138,9 @@ var AppSearchProvider = new Lang.Class({
                 return usage.compare('', a, b);
             }));
         });
+
+        results = results.concat(this._systemActions.getMatchingActions(terms));
+
         callback(results);
     },
 
@@ -1127,8 +1149,10 @@ var AppSearchProvider = new Lang.Class({
     },
 
     createResultObject: function (resultMeta) {
-        let app = this._appSys.lookup_app(resultMeta['id']);
+        if (resultMeta.id.endsWith('.desktop'))
-        return new AppIcon(app);
+            return new AppIcon(this._appSys.lookup_app(resultMeta['id']));
+        else
+            return new SystemActionIcon(this, resultMeta);
     }
 });
 
@@ -1983,3 +2007,13 @@ var AppIconMenu = new Lang.Class({
     }
 });
 Signals.addSignalMethods(AppIconMenu.prototype);
+
+var SystemActionIcon = new Lang.Class({
+    Name: 'SystemActionIcon',
+    Extends: Search.GridSearchResult,
+
+    activate: function() {
+        SystemActions.getDefault().activateAction(this.metaInfo['id']);
+        Main.overview.hide();
+    }
+});