extensions/xforms/nsXFormsNodeState.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is Mozilla XForms support.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Novell, Inc.
  19  * Portions created by the Initial Developer are Copyright (C) 2004
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *  Allan Beaufour <abeaufour@novell.com>
  24  *  David Landwehr <dlandwehr@novell.com>
  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
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  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 "nsXFormsNodeState.h"
  41 #include "nsIEventStateManager.h"
  42
  43 void
  44 nsXFormsNodeState::Set(PRUint16 aFlags, PRBool aVal)
  45 {
  46   if (aVal) {
  47     mState |= aFlags;
  48   } else {
  49     mState &= ~aFlags;
  50   }
  51 }
  52
  53 nsXFormsNodeState&
  54 nsXFormsNodeState::operator&=(PRUint16 aMask)
  55 {
  56   mState &= aMask;
  57   return *this;
  58 }
  59
  60 PRBool
  61 nsXFormsNodeState::operator==(nsXFormsNodeState& aCmp) const
  62 {
  63   return (mState == aCmp.mState) ? PR_TRUE : PR_FALSE;
  64 }
  65
  66 PRBool
  67 nsXFormsNodeState::TestAndClear(eFlag_t aFlag)
  68 {
  69   PRUint16 test = mState & aFlag;
  70   mState &= ~aFlag;
  71   return test ? PR_TRUE : PR_FALSE;
  72 }
  73
  74 PRBool
  75 nsXFormsNodeState::Test(eFlag_t aFlag) const
  76 {
  77   return (mState & aFlag) ? PR_TRUE : PR_FALSE;
  78 }
  79
  80 PRUint32
  81 nsXFormsNodeState::GetIntrinsicState() const
  82 {
  83   PRUint32 state =
  84     (IsValid() ? NS_EVENT_STATE_VALID : NS_EVENT_STATE_INVALID) |
  85     (IsReadonly() ? NS_EVENT_STATE_MOZ_READONLY
  86                   : NS_EVENT_STATE_MOZ_READWRITE) |
  87     (IsRequired() ? NS_EVENT_STATE_REQUIRED : NS_EVENT_STATE_OPTIONAL) |
  88     (IsRelevant() ? NS_EVENT_STATE_ENABLED : NS_EVENT_STATE_DISABLED);
  89
  90   return state;
  91 }
  92
  93 #ifdef DEBUG_XF_NODESTATE
  94 const char* flagnames[] = {0,
  95                            "eFlag_READONLY",
  96                            "eFlag_CONSTRAINT",
  97                            "eFlag_RELEVANT",
  98                            "eFlag_REQUIRED",
  99                            "eFlag_VALID",
 100                            "eFlag_INHERITED_RELEVANT",
 101                            "eFlag_INHERITED_READONLY",
 102                            "eFlag_DISPATCH_VALUE_CHANGED",
 103                            "eFlag_DISPATCH_READONLY_CHANGED",
 104                            "eFlag_DISPATCH_VALID_CHANGED",
 105                            "eFlag_DISPATCH_RELEVANT_CHANGED",
 106                            "eFlag_DISPATCH_REQUIRED_CHANGED",
 107                            "eFlag_DISPATCH_CONSTRAINT_CHANGED",
 108                            0};
 109
 110
 111
 112 #include <stdio.h>
 113
 114 void
 115 nsXFormsNodeState::PrintFlags() const
 116 {
 117   int pos = 1;
 118   while (flagnames[pos]) {
 119     if (mState & (1 << pos)) {
 120       printf("\t%s\n", flagnames[pos]);
 121     }
 122     ++pos;
 123   }
 124 }
 125 #endif