1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 25 module gio.AppInfoMonitor; 26 27 private import gobject.ObjectG; 28 private import gobject.Signals; 29 public import gtkc.gdktypes; 30 private import gtkc.gio; 31 public import gtkc.giotypes; 32 33 34 /** 35 * #GAppInfoMonitor is a very simple object used for monitoring the app 36 * info database for changes (ie: newly installed or removed 37 * applications). 38 * 39 * Call g_app_info_monitor_get() to get a #GAppInfoMonitor and connect 40 * to the "changed" signal. 41 * 42 * In the usual case, applications should try to make note of the change 43 * (doing things like invalidating caches) but not act on it. In 44 * particular, applications should avoid making calls to #GAppInfo APIs 45 * in response to the change signal, deferring these until the time that 46 * the data is actually required. The exception to this case is when 47 * application information is actually being displayed on the screen 48 * (eg: during a search or when the list of all applications is shown). 49 * The reason for this is that changes to the list of installed 50 * applications often come in groups (like during system updates) and 51 * rescanning the list on every change is pointless and expensive. 52 * 53 * Since: 2.40 54 */ 55 public class AppInfoMonitor : ObjectG 56 { 57 /** the main Gtk struct */ 58 protected GAppInfoMonitor* gAppInfoMonitor; 59 60 /** Get the main Gtk struct */ 61 public GAppInfoMonitor* getAppInfoMonitorStruct() 62 { 63 return gAppInfoMonitor; 64 } 65 66 /** the main Gtk struct as a void* */ 67 protected override void* getStruct() 68 { 69 return cast(void*)gAppInfoMonitor; 70 } 71 72 protected override void setStruct(GObject* obj) 73 { 74 gAppInfoMonitor = cast(GAppInfoMonitor*)obj; 75 super.setStruct(obj); 76 } 77 78 /** 79 * Sets our main struct and passes it to the parent class. 80 */ 81 public this (GAppInfoMonitor* gAppInfoMonitor, bool ownedRef = false) 82 { 83 this.gAppInfoMonitor = gAppInfoMonitor; 84 super(cast(GObject*)gAppInfoMonitor, ownedRef); 85 } 86 87 /** 88 */ 89 90 public static GType getType() 91 { 92 return g_app_info_monitor_get_type(); 93 } 94 95 /** 96 * Gets the #GAppInfoMonitor for the current thread-default main 97 * context. 98 * 99 * The #GAppInfoMonitor will emit a "changed" signal in the 100 * thread-default main context whenever the list of installed 101 * applications (as reported by g_app_info_get_all()) may have changed. 102 * 103 * You must only call g_object_unref() on the return value from under 104 * the same main context as you created it. 105 * 106 * Return: a reference to a #GAppInfoMonitor 107 * 108 * Since: 2.40 109 */ 110 public static AppInfoMonitor get() 111 { 112 auto p = g_app_info_monitor_get(); 113 114 if(p is null) 115 { 116 return null; 117 } 118 119 return ObjectG.getDObject!(AppInfoMonitor)(cast(GAppInfoMonitor*) p, true); 120 } 121 122 int[string] connectedSignals; 123 124 void delegate(AppInfoMonitor)[] onChangedListeners; 125 /** 126 * Signal emitted when the app info database for changes (ie: newly installed 127 * or removed applications). 128 */ 129 void addOnChanged(void delegate(AppInfoMonitor) dlg, ConnectFlags connectFlags=cast(ConnectFlags)0) 130 { 131 if ( "changed" !in connectedSignals ) 132 { 133 Signals.connectData( 134 this, 135 "changed", 136 cast(GCallback)&callBackChanged, 137 cast(void*)this, 138 null, 139 connectFlags); 140 connectedSignals["changed"] = 1; 141 } 142 onChangedListeners ~= dlg; 143 } 144 extern(C) static void callBackChanged(GAppInfoMonitor* appinfomonitorStruct, AppInfoMonitor _appinfomonitor) 145 { 146 foreach ( void delegate(AppInfoMonitor) dlg; _appinfomonitor.onChangedListeners ) 147 { 148 dlg(_appinfomonitor); 149 } 150 } 151 }