LCOV - code coverage report
Current view: directory - widget/gtk2 - nsBidiKeyboard.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 29 0 0.0 %
Date: 2012-06-02 Functions: 10 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* vim:expandtab:shiftwidth=4:tabstop=4:
       3                 :  */
       4                 : /* ***** BEGIN LICENSE BLOCK *****
       5                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       6                 :  *
       7                 :  * The contents of this file are subject to the Mozilla Public License Version
       8                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       9                 :  * the License. You may obtain a copy of the License at
      10                 :  * http://www.mozilla.org/MPL/
      11                 :  *
      12                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      13                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      14                 :  * for the specific language governing rights and limitations under the
      15                 :  * License.
      16                 :  *
      17                 :  * The Original Code is mozilla.org code.
      18                 :  *
      19                 :  * The Initial Developer of the Original Code is Christopher Blizzard
      20                 :  * <blizzard@mozilla.org>.  Portions created by the Initial Developer
      21                 :  * are Copyright (C) 2001 the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Behnam Esfahbod <behnam@zwnj.org>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #include "prlink.h"
      41                 : 
      42                 : #include "nsBidiKeyboard.h"
      43                 : #include <gtk/gtk.h>
      44                 : 
      45                 : 
      46                 : static PRLibrary *gtklib = nsnull;
      47                 : 
      48                 : typedef gboolean (*GdkKeymapHaveBidiLayoutsType)(GdkKeymap *keymap);
      49                 : static GdkKeymapHaveBidiLayoutsType GdkKeymapHaveBidiLayouts = nsnull;
      50                 : 
      51                 : 
      52               0 : NS_IMPL_ISUPPORTS1(nsBidiKeyboard, nsIBidiKeyboard)
      53                 : 
      54               0 : nsBidiKeyboard::nsBidiKeyboard()
      55                 : {
      56                 : #if defined(MOZ_X11)
      57               0 :     if (!gtklib)
      58               0 :         gtklib = PR_LoadLibrary("libgtk-x11-2.0.so.0");
      59                 : #else
      60                 :     return;
      61                 : #endif
      62                 : 
      63               0 :     if (gtklib && !GdkKeymapHaveBidiLayouts)
      64               0 :             GdkKeymapHaveBidiLayouts = (GdkKeymapHaveBidiLayoutsType) PR_FindFunctionSymbol(gtklib, "gdk_keymap_have_bidi_layouts");
      65                 : 
      66               0 :     SetHaveBidiKeyboards();
      67               0 : }
      68                 : 
      69               0 : nsBidiKeyboard::~nsBidiKeyboard()
      70                 : {
      71               0 :     if (gtklib) {
      72               0 :         PR_UnloadLibrary(gtklib);
      73               0 :         gtklib = nsnull;
      74                 : 
      75               0 :         GdkKeymapHaveBidiLayouts = nsnull;
      76                 :     }
      77               0 : }
      78                 : 
      79                 : NS_IMETHODIMP
      80               0 : nsBidiKeyboard::IsLangRTL(bool *aIsRTL)
      81                 : {
      82               0 :     if (!mHaveBidiKeyboards)
      83               0 :         return NS_ERROR_FAILURE;
      84                 : 
      85               0 :     *aIsRTL = (gdk_keymap_get_direction(NULL) == PANGO_DIRECTION_RTL);
      86                 : 
      87               0 :     return NS_OK;
      88                 : }
      89                 : 
      90                 : nsresult
      91               0 : nsBidiKeyboard::SetHaveBidiKeyboards()
      92                 : {
      93               0 :     mHaveBidiKeyboards = false;
      94                 : 
      95               0 :     if (!gtklib || !GdkKeymapHaveBidiLayouts)
      96               0 :         return NS_ERROR_FAILURE;
      97                 : 
      98               0 :     mHaveBidiKeyboards = (*GdkKeymapHaveBidiLayouts)(NULL);
      99                 : 
     100               0 :     return NS_OK;
     101                 : }
     102                 : 
     103                 : NS_IMETHODIMP
     104               0 : nsBidiKeyboard::SetLangFromBidiLevel(PRUint8 aLevel)
     105                 : {
     106                 :     // XXX Insert platform specific code to set keyboard language
     107               0 :     return NS_ERROR_NOT_IMPLEMENTED;
     108                 : }
     109                 : 
     110               0 : NS_IMETHODIMP nsBidiKeyboard::GetHaveBidiKeyboards(bool* aResult)
     111                 : {
     112                 :   // not implemented yet
     113               0 :   return NS_ERROR_NOT_IMPLEMENTED;
     114                 : }

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