LCOV - app.info - content/html/content/src/nsHTMLOptGroupElement.cpp

LCOV - code coverage report
| Current view: | directory - content/html/content/src - nsHTMLOptGroupElement.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 59 | 0 | 0.0 %
| Date: | 2012-07-07 | Functions: | 116 | 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 Communicator client 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                 :  *
          24                 :  * Alternatively, the contents of this file may be used under the terms of
          25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          28                 :  * of those above. If you wish to allow use of your version of this file only
          29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          30                 :  * use your version of this file under the terms of the MPL, indicate your
          31                 :  * decision by deleting the provisions above and replace them with the notice
          32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          33                 :  * the provisions above, a recipient may use your version of this file under
          34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          35                 :  *
          36                 :  * ***** END LICENSE BLOCK ***** */
          37                 : #include "nsIDOMHTMLOptGroupElement.h"
          38                 : #include "nsIDOMEventTarget.h"
          39                 : #include "nsGenericHTMLElement.h"
          40                 : #include "nsGkAtoms.h"
          41                 : #include "nsStyleConsts.h"
          42                 : #include "nsIFrame.h"
          43                 : #include "nsIFormControlFrame.h"
          44                 : #include "nsEventStates.h"
          45                 : #include "nsIDocument.h"
          46                 :
          47                 : #include "nsEventDispatcher.h"
          48                 : #include "nsHTMLSelectElement.h"
          49                 :
          50                 : /**
          51                 :  * The implementation of &lt;optgroup&gt;
          52                 :  */
          53                 : class nsHTMLOptGroupElement : public nsGenericHTMLElement,
          54                 :                               public nsIDOMHTMLOptGroupElement
          55                 : {
          56                 : public:
          57                 :   nsHTMLOptGroupElement(already_AddRefed<nsINodeInfo> aNodeInfo);
          58                 :   virtual ~nsHTMLOptGroupElement();
          59                 :
          60                 :   // nsISupports
          61                 :   NS_DECL_ISUPPORTS_INHERITED
          62                 :
          63                 :   // nsIDOMNode
          64               0 :   NS_FORWARD_NSIDOMNODE(nsGenericHTMLElement::)
          65                 :
          66                 :   // nsIDOMElement
          67               0 :   NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
          68                 :
          69                 :   // nsIDOMHTMLElement
          70               0 :   NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)
          71                 :
          72                 :   // nsIDOMHTMLOptGroupElement
          73                 :   NS_DECL_NSIDOMHTMLOPTGROUPELEMENT
          74                 :
          75                 :   // nsGenericElement
          76                 :   virtual nsresult InsertChildAt(nsIContent* aKid, PRUint32 aIndex,
          77                 :                                  bool aNotify);
          78                 :   virtual nsresult RemoveChildAt(PRUint32 aIndex, bool aNotify);
          79                 :
          80                 :   // nsIContent
          81                 :   virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor);
          82                 :
          83                 :   virtual nsEventStates IntrinsicState() const;
          84                 :
          85                 :   virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
          86                 :
          87                 :   virtual nsXPCClassInfo* GetClassInfo();
          88                 :
          89               0 :   virtual bool IsDisabled() const {
          90               0 :     return HasAttr(kNameSpaceID_None, nsGkAtoms::disabled);
          91                 :   }
          92                 : protected:
          93                 :
          94                 :   /**
          95                 :    * Get the select content element that contains this option
          96                 :    * @param aSelectElement the select element [OUT]
          97                 :    */
          98                 :   nsIContent* GetSelect();
          99                 : };
         100                 :
         101                 :
         102               0 : NS_IMPL_NS_NEW_HTML_ELEMENT(OptGroup)
         103                 :
         104                 :
         105               0 : nsHTMLOptGroupElement::nsHTMLOptGroupElement(already_AddRefed<nsINodeInfo> aNodeInfo)
         106               0 :   : nsGenericHTMLElement(aNodeInfo)
         107                 : {
         108                 :   // We start off enabled
         109               0 :   AddStatesSilently(NS_EVENT_STATE_ENABLED);
         110               0 : }
         111                 :
         112               0 : nsHTMLOptGroupElement::~nsHTMLOptGroupElement()
         113                 : {
         114               0 : }
         115                 :
         116                 :
         117               0 : NS_IMPL_ADDREF_INHERITED(nsHTMLOptGroupElement, nsGenericElement)
         118               0 : NS_IMPL_RELEASE_INHERITED(nsHTMLOptGroupElement, nsGenericElement)
         119                 :
         120                 :
         121               0 : DOMCI_NODE_DATA(HTMLOptGroupElement, nsHTMLOptGroupElement)
         122                 :
         123                 : // QueryInterface implementation for nsHTMLOptGroupElement
         124               0 : NS_INTERFACE_TABLE_HEAD(nsHTMLOptGroupElement)
         125               0 :   NS_HTML_CONTENT_INTERFACE_TABLE1(nsHTMLOptGroupElement,
         126                 :                                    nsIDOMHTMLOptGroupElement)
         127               0 :   NS_HTML_CONTENT_INTERFACE_TABLE_TO_MAP_SEGUE(nsHTMLOptGroupElement,
         128                 :                                                nsGenericHTMLElement)
         129               0 : NS_HTML_CONTENT_INTERFACE_TABLE_TAIL_CLASSINFO(HTMLOptGroupElement)
         130                 :
         131                 :
         132               0 : NS_IMPL_ELEMENT_CLONE(nsHTMLOptGroupElement)
         133                 :
         134                 :
         135               0 : NS_IMPL_BOOL_ATTR(nsHTMLOptGroupElement, Disabled, disabled)
         136               0 : NS_IMPL_STRING_ATTR(nsHTMLOptGroupElement, Label, label)
         137                 :
         138                 :
         139                 : nsresult
         140               0 : nsHTMLOptGroupElement::PreHandleEvent(nsEventChainPreVisitor& aVisitor)
         141                 : {
         142               0 :   aVisitor.mCanHandle = false;
         143                 :   // Do not process any DOM events if the element is disabled
         144                 :   // XXXsmaug This is not the right thing to do. But what is?
         145               0 :   if (HasAttr(kNameSpaceID_None, nsGkAtoms::disabled)) {
         146               0 :     return NS_OK;
         147                 :   }
         148                 :
         149               0 :   nsIFrame* frame = GetPrimaryFrame();
         150               0 :   if (frame) {
         151               0 :     const nsStyleUserInterface* uiStyle = frame->GetStyleUserInterface();
         152               0 :     if (uiStyle->mUserInput == NS_STYLE_USER_INPUT_NONE ||
         153                 :         uiStyle->mUserInput == NS_STYLE_USER_INPUT_DISABLED) {
         154               0 :       return NS_OK;
         155                 :     }
         156                 :   }
         157                 :
         158               0 :   return nsGenericHTMLElement::PreHandleEvent(aVisitor);
         159                 : }
         160                 :
         161                 : nsIContent*
         162               0 : nsHTMLOptGroupElement::GetSelect()
         163                 : {
         164               0 :   nsIContent* parent = this;
         165               0 :   while ((parent = parent->GetParent()) && parent->IsHTML()) {
         166               0 :     if (parent->Tag() == nsGkAtoms::select) {
         167               0 :       return parent;
         168                 :     }
         169               0 :     if (parent->Tag() != nsGkAtoms::optgroup) {
         170               0 :       break;
         171                 :     }
         172                 :   }
         173                 :
         174               0 :   return nsnull;
         175                 : }
         176                 :
         177                 : nsresult
         178               0 : nsHTMLOptGroupElement::InsertChildAt(nsIContent* aKid,
         179                 :                                      PRUint32 aIndex,
         180                 :                                      bool aNotify)
         181                 : {
         182               0 :   nsSafeOptionListMutation safeMutation(GetSelect(), this, aKid, aIndex, aNotify);
         183               0 :   nsresult rv = nsGenericHTMLElement::InsertChildAt(aKid, aIndex, aNotify);
         184               0 :   if (NS_FAILED(rv)) {
         185               0 :     safeMutation.MutationFailed();
         186                 :   }
         187               0 :   return rv;
         188                 : }
         189                 :
         190                 : nsresult
         191               0 : nsHTMLOptGroupElement::RemoveChildAt(PRUint32 aIndex, bool aNotify)
         192                 : {
         193                 :   nsSafeOptionListMutation safeMutation(GetSelect(), this, nsnull, aIndex,
         194               0 :                                         aNotify);
         195               0 :   nsresult rv = nsGenericHTMLElement::RemoveChildAt(aIndex, aNotify);
         196               0 :   if (NS_FAILED(rv)) {
         197               0 :     safeMutation.MutationFailed();
         198                 :   }
         199               0 :   return rv;
         200                 : }
         201                 :
         202                 : nsEventStates
         203               0 : nsHTMLOptGroupElement::IntrinsicState() const
         204                 : {
         205               0 :   nsEventStates state = nsGenericHTMLElement::IntrinsicState();
         206                 :
         207               0 :   if (HasAttr(kNameSpaceID_None, nsGkAtoms::disabled)) {
         208               0 :     state |= NS_EVENT_STATE_DISABLED;
         209               0 :     state &= ~NS_EVENT_STATE_ENABLED;
         210                 :   } else {
         211               0 :     state &= ~NS_EVENT_STATE_DISABLED;
         212               0 :     state |= NS_EVENT_STATE_ENABLED;
         213                 :   }
         214                 :
         215                 :   return state;
         216                 : }

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