widget/gtk/nsScreenManagerGtk.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef nsScreenManagerGtk_h___
   7 #define nsScreenManagerGtk_h___
   8
   9 #include "nsIScreenManager.h"
  10 #include "nsIScreen.h"
  11 #include "nsCOMPtr.h"
  12 #include "nsCOMArray.h"
  13 #include "prlink.h"
  14 #include "gdk/gdk.h"
  15 #ifdef MOZ_X11
  16 #include <X11/Xlib.h>
  17 #endif
  18
  19 //------------------------------------------------------------------------
  20
  21 class nsScreenManagerGtk : public nsIScreenManager
  22 {
  23 public:
  24   nsScreenManagerGtk ( );
  25
  26   NS_DECL_ISUPPORTS
  27   NS_DECL_NSISCREENMANAGER
  28
  29 #ifdef MOZ_X11
  30   Atom NetWorkareaAtom() { return mNetWorkareaAtom; }
  31 #endif
  32
  33   // For internal use, or reinitialization from change notification.
  34   nsresult Init();
  35
  36 private:
  37   virtual ~nsScreenManagerGtk();
  38
  39   nsresult EnsureInit();
  40
  41   // Cached screen array.  Its length is the number of screens we have.
  42   nsCOMArray<nsIScreen> mCachedScreenArray;
  43
  44   PRLibrary *mXineramalib;
  45
  46   GdkWindow *mRootWindow;
  47 #ifdef MOZ_X11
  48   Atom mNetWorkareaAtom;
  49 #endif
  50 };
  51
  52 #endif  // nsScreenManagerGtk_h___