chrome/browser/ui/views/frame/global_menu_bar_registrar_x11.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_VIEWS_FRAME_GLOBAL_MENU_BAR_REGISTRAR_X11_H_
   6 #define CHROME_BROWSER_UI_VIEWS_FRAME_GLOBAL_MENU_BAR_REGISTRAR_X11_H_
   7
   8 #include <gio/gio.h>
   9
  10 #include <set>
  11
  12 #include "base/basictypes.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "base/memory/singleton.h"
  15 #include "ui/base/glib/glib_signal.h"
  16
  17 // Advertises our menu bars to Unity.
  18 //
  19 // GlobalMenuBarX11 is responsible for managing the DbusmenuServer for each
  20 // XID. We need a separate object to own the dbus channel to
  21 // com.canonical.AppMenu.Registrar and to register/unregister the mapping
  22 // between a XID and the DbusmenuServer instance we are offering.
  23 class GlobalMenuBarRegistrarX11 {
  24  public:
  25   static GlobalMenuBarRegistrarX11* GetInstance();
  26
  27   void OnWindowMapped(unsigned long xid);
  28   void OnWindowUnmapped(unsigned long xid);
  29
  30  private:
  31   friend struct base::DefaultSingletonTraits<GlobalMenuBarRegistrarX11>;
  32
  33   GlobalMenuBarRegistrarX11();
  34   ~GlobalMenuBarRegistrarX11();
  35
  36   // Sends the actual message.
  37   void RegisterXID(unsigned long xid);
  38   void UnregisterXID(unsigned long xid);
  39
  40   CHROMEG_CALLBACK_1(GlobalMenuBarRegistrarX11, void, OnProxyCreated,
  41                      GObject*, GAsyncResult*);
  42   CHROMEG_CALLBACK_1(GlobalMenuBarRegistrarX11, void, OnNameOwnerChanged,
  43                      GObject*, GParamSpec*);
  44
  45   GDBusProxy* registrar_proxy_;
  46
  47   // Window XIDs which want to be registered, but haven't yet been because
  48   // we're waiting for the proxy to become available.
  49   std::set<unsigned long> live_xids_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(GlobalMenuBarRegistrarX11);
  52 };
  53
  54 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_GLOBAL_MENU_BAR_REGISTRAR_X11_H_