LCOV - code coverage report
Current view: directory - accessible/src/base - nsFormControlAccessible.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 74 0 0.0 %
Date: 2012-06-02 Functions: 6 0 0.0 %

       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.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *   John Gaunt (jgaunt@netscape.com)
      24                 :  *   Aaron Leventhal (aaronl@netscape.com)
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      28                 :  * or 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                 : // NOTE: alphabetically ordered
      41                 : 
      42                 : #include "Role.h"
      43                 : 
      44                 : #include "nsFormControlAccessible.h"
      45                 : #include "nsIDOMHTMLFormElement.h"
      46                 : #include "nsIDOMHTMLInputElement.h"
      47                 : #include "nsIDOMXULElement.h"
      48                 : #include "nsIDOMXULControlElement.h"
      49                 : 
      50                 : using namespace mozilla::a11y;
      51                 : 
      52                 : ////////////////////////////////////////////////////////////////////////////////
      53                 : // ProgressMeterAccessible
      54                 : ////////////////////////////////////////////////////////////////////////////////
      55                 : 
      56                 : template class ProgressMeterAccessible<1>;
      57                 : template class ProgressMeterAccessible<100>;
      58                 : 
      59                 : ////////////////////////////////////////////////////////////////////////////////
      60                 : // nsISupports
      61                 : 
      62                 : template<int Max>
      63               0 : NS_IMPL_ADDREF_INHERITED(ProgressMeterAccessible<Max>, nsFormControlAccessible)
      64                 : 
      65                 : template<int Max>
      66               0 : NS_IMPL_RELEASE_INHERITED(ProgressMeterAccessible<Max>, nsFormControlAccessible)
      67                 : 
      68                 : template<int Max>
      69               0 : NS_IMPL_QUERY_INTERFACE_INHERITED1(ProgressMeterAccessible<Max>,
      70                 :                                    nsFormControlAccessible,
      71                 :                                    nsIAccessibleValue)
      72                 : 
      73                 : ////////////////////////////////////////////////////////////////////////////////
      74                 : // nsAccessible
      75                 : 
      76                 : template<int Max>
      77                 : role
      78                 : ProgressMeterAccessible<Max>::NativeRole()
      79                 : {
      80               0 :   return roles::PROGRESSBAR;
      81                 : }
      82                 : 
      83                 : ////////////////////////////////////////////////////////////////////////////////
      84                 : // ProgressMeterAccessible<Max>: Widgets
      85                 : 
      86                 : template<int Max>
      87                 : bool
      88                 : ProgressMeterAccessible<Max>::IsWidget() const
      89                 : {
      90               0 :   return true;
      91                 : }
      92                 : 
      93                 : ////////////////////////////////////////////////////////////////////////////////
      94                 : // nsIAccessibleValue
      95                 : 
      96                 : template<int Max>
      97                 : NS_IMETHODIMP
      98                 : ProgressMeterAccessible<Max>::GetValue(nsAString& aValue)
      99                 : {
     100               0 :   nsresult rv = nsFormControlAccessible::GetValue(aValue);
     101               0 :   NS_ENSURE_SUCCESS(rv, rv);
     102                 : 
     103               0 :   if (!aValue.IsEmpty())
     104               0 :     return NS_OK;
     105                 : 
     106               0 :   double maxValue = 0;
     107               0 :   rv = GetMaximumValue(&maxValue);
     108               0 :   NS_ENSURE_SUCCESS(rv, rv);
     109                 : 
     110               0 :   double curValue = 0;
     111               0 :   rv = GetCurrentValue(&curValue);
     112               0 :   NS_ENSURE_SUCCESS(rv, rv);
     113                 : 
     114                 :   // Treat the current value bigger than maximum as 100%.
     115                 :   double percentValue = (curValue < maxValue) ?
     116               0 :     (curValue / maxValue) * 100 : 100;
     117                 : 
     118               0 :   nsAutoString value;
     119               0 :   value.AppendFloat(percentValue); // AppendFloat isn't available on nsAString
     120               0 :   value.AppendLiteral("%");
     121               0 :   aValue = value;
     122               0 :   return NS_OK;
     123                 : }
     124                 : 
     125                 : template<int Max>
     126                 : NS_IMETHODIMP
     127                 : ProgressMeterAccessible<Max>::GetMaximumValue(double* aMaximumValue)
     128                 : {
     129               0 :   nsresult rv = nsFormControlAccessible::GetMaximumValue(aMaximumValue);
     130               0 :   if (rv != NS_OK_NO_ARIA_VALUE)
     131               0 :     return rv;
     132                 : 
     133               0 :   nsAutoString value;
     134               0 :   if (mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::max, value)) {
     135               0 :     PRInt32 result = NS_OK;
     136               0 :     *aMaximumValue = value.ToDouble(&result);
     137               0 :     return result;
     138                 :   }
     139                 : 
     140               0 :   *aMaximumValue = Max;
     141               0 :   return NS_OK;
     142                 : }
     143                 : 
     144                 : template<int Max>
     145                 : NS_IMETHODIMP
     146                 : ProgressMeterAccessible<Max>::GetMinimumValue(double* aMinimumValue)
     147                 : {
     148               0 :   nsresult rv = nsFormControlAccessible::GetMinimumValue(aMinimumValue);
     149               0 :   if (rv != NS_OK_NO_ARIA_VALUE)
     150               0 :     return rv;
     151                 : 
     152               0 :   *aMinimumValue = 0;
     153               0 :   return NS_OK;
     154                 : }
     155                 : 
     156                 : template<int Max>
     157                 : NS_IMETHODIMP
     158                 : ProgressMeterAccessible<Max>::GetMinimumIncrement(double* aMinimumIncrement)
     159                 : {
     160               0 :   nsresult rv = nsFormControlAccessible::GetMinimumIncrement(aMinimumIncrement);
     161               0 :   if (rv != NS_OK_NO_ARIA_VALUE)
     162               0 :     return rv;
     163                 : 
     164               0 :   *aMinimumIncrement = 0;
     165               0 :   return NS_OK;
     166                 : }
     167                 : 
     168                 : template<int Max>
     169                 : NS_IMETHODIMP
     170                 : ProgressMeterAccessible<Max>::GetCurrentValue(double* aCurrentValue)
     171                 : {
     172               0 :   nsresult rv = nsFormControlAccessible::GetCurrentValue(aCurrentValue);
     173               0 :   if (rv != NS_OK_NO_ARIA_VALUE)
     174               0 :     return rv;
     175                 : 
     176               0 :   nsAutoString attrValue;
     177               0 :   mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::value, attrValue);
     178                 : 
     179                 :   // Return zero value if there is no attribute or its value is empty.
     180               0 :   if (attrValue.IsEmpty())
     181               0 :     return NS_OK;
     182                 : 
     183               0 :   PRInt32 error = NS_OK;
     184               0 :   double value = attrValue.ToDouble(&error);
     185               0 :   if (NS_FAILED(error))
     186               0 :     return NS_OK; // Zero value because of wrong markup.
     187                 : 
     188               0 :   *aCurrentValue = value;
     189               0 :   return NS_OK;
     190                 : }
     191                 : 
     192                 : template<int Max>
     193                 : NS_IMETHODIMP
     194                 : ProgressMeterAccessible<Max>::SetCurrentValue(double aValue)
     195                 : {
     196               0 :   return NS_ERROR_FAILURE; // Progress meters are readonly.
     197                 : }
     198                 : 
     199                 : ////////////////////////////////////////////////////////////////////////////////
     200                 : // nsRadioButtonAccessible
     201                 : ////////////////////////////////////////////////////////////////////////////////
     202                 : 
     203               0 : nsRadioButtonAccessible::
     204                 :   nsRadioButtonAccessible(nsIContent* aContent, nsDocAccessible* aDoc) :
     205               0 :   nsFormControlAccessible(aContent, aDoc)
     206                 : {
     207               0 : }
     208                 : 
     209                 : PRUint8
     210               0 : nsRadioButtonAccessible::ActionCount()
     211                 : {
     212               0 :   return 1;
     213                 : }
     214                 : 
     215               0 : NS_IMETHODIMP nsRadioButtonAccessible::GetActionName(PRUint8 aIndex, nsAString& aName)
     216                 : {
     217               0 :   if (aIndex == eAction_Click) {
     218               0 :     aName.AssignLiteral("select"); 
     219               0 :     return NS_OK;
     220                 :   }
     221               0 :   return NS_ERROR_INVALID_ARG;
     222                 : }
     223                 : 
     224                 : NS_IMETHODIMP
     225               0 : nsRadioButtonAccessible::DoAction(PRUint8 aIndex)
     226                 : {
     227               0 :   if (aIndex != eAction_Click)
     228               0 :     return NS_ERROR_INVALID_ARG;
     229                 : 
     230               0 :   DoCommand();
     231               0 :   return NS_OK;
     232                 : }
     233                 : 
     234                 : role
     235               0 : nsRadioButtonAccessible::NativeRole()
     236                 : {
     237               0 :   return roles::RADIOBUTTON;
     238                 : }
     239                 : 
     240                 : ////////////////////////////////////////////////////////////////////////////////
     241                 : // nsRadioButtonAccessible: Widgets
     242                 : 
     243                 : bool
     244               0 : nsRadioButtonAccessible::IsWidget() const
     245                 : {
     246               0 :   return true;
     247                 : }

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