fix(websearch):解决偶现找不到浏览器图标的问题

libsearch/websearch/web-search-plugin.cpp

@@ -54,19 +54,30 @@ void UkuiSearch::WebSearchPlugin::KeywordSearch(QString keyword, DataQueue<UkuiS
     resultInfo.name = m_keyWord;
     resultInfo.type = 0;
 
-    QByteArray ba = QString(DESKTOPPATH + getDefaultAppId(BROWSERTYPE)).toUtf8();
-    GDesktopAppInfo * textinfo = g_desktop_app_info_new_from_filename(ba.constData());
-    char *iconname = g_icon_to_string(g_app_info_get_icon(G_APP_INFO(textinfo)));
-    QIcon appicon;
-    appicon = IconLoader::loadIconQt(QString(QLatin1String(iconname)),
-                               QIcon(QString("/usr/share/pixmaps/"+QString(QLatin1String(iconname))
-                                             +".png")));
-    g_free(iconname);
-    resultInfo.icon = QIcon(appicon);
-
+    QIcon appIcon;
+    GAppInfo * app = g_app_info_get_default_for_type(BROWSERTYPE, false);
+    if(app) {
+        GIcon *gIcon = g_app_info_get_icon(app);
+        if(G_IS_ICON(gIcon)) {
+            const gchar* const* iconNames = g_themed_icon_get_names(G_THEMED_ICON(gIcon));
+            if(iconNames) {
+                auto p = iconNames;
+                while(*p) {
+                    appIcon = IconLoader::loadIconXdg(*p);
+                    if(appIcon.isNull()) {
+                        p++;
+                    } else {
+                        break;
+                    }
+                }
+            }
+        }
+        g_object_unref(gIcon);
+        g_object_unref(app);
+    }
+    resultInfo.icon = appIcon.isNull()? IconLoader::loadIconQt("unknown", QIcon(":/res/icons/unknown.svg")) : appIcon;
     resultInfo.actionKey = m_keyWord;
     searchResult->enqueue(resultInfo);
-    g_object_unref(textinfo);
 }
 
 void WebSearchPlugin::stopSearch()