LCOV - app.info - layout/xul/base/src/nsXULLabelFrame.cpp

LCOV - code coverage report
| Current view: | directory - layout/xul/base/src - nsXULLabelFrame.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 39 | 0 | 0.0 %
| Date: | 2012-04-21 | Functions: | 9 | 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                 :  *
          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                 :
          38                 : /* derived class of nsBlockFrame used for xul:label elements */
          39                 :
          40                 : #include "nsXULLabelFrame.h"
          41                 : #include "nsHTMLParts.h"
          42                 : #include "nsINameSpaceManager.h"
          43                 : #include "nsEventStateManager.h"
          44                 :
          45                 : nsIFrame*
          46               0 : NS_NewXULLabelFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
          47                 : {
          48               0 :   nsXULLabelFrame* it = new (aPresShell) nsXULLabelFrame(aContext);
          49                 :
          50               0 :   if (it)
          51               0 :     it->SetFlags(NS_BLOCK_FLOAT_MGR | NS_BLOCK_MARGIN_ROOT);
          52                 :
          53               0 :   return it;
          54                 : }
          55                 :
          56               0 : NS_IMPL_FRAMEARENA_HELPERS(nsXULLabelFrame)
          57                 :
          58                 : // If you make changes to this function, check its counterparts
          59                 : // in nsBoxFrame and nsTextBoxFrame
          60                 : nsresult
          61               0 : nsXULLabelFrame::RegUnregAccessKey(bool aDoReg)
          62                 : {
          63                 :   // if we have no content, we can't do anything
          64               0 :   if (!mContent)
          65               0 :     return NS_ERROR_FAILURE;
          66                 :
          67                 :   // To filter out <label>s without a control attribute.
          68                 :   // XXXjag a side-effect is that we filter out anonymous <label>s
          69                 :   // in e.g. <menu>, <menuitem>, <button>. These <label>s inherit
          70                 :   // |accesskey| and would otherwise register themselves, overwriting
          71                 :   // the content we really meant to be registered.
          72               0 :   if (!mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::control))
          73               0 :     return NS_OK;
          74                 :
          75               0 :   nsAutoString accessKey;
          76               0 :   mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::accesskey, accessKey);
          77                 :
          78               0 :   if (accessKey.IsEmpty())
          79               0 :     return NS_OK;
          80                 :
          81                 :   // With a valid PresContext we can get the ESM
          82                 :   // and register the access key
          83               0 :   nsEventStateManager *esm = PresContext()->EventStateManager();
          84                 :
          85               0 :   PRUint32 key = accessKey.First();
          86               0 :   if (aDoReg)
          87               0 :     esm->RegisterAccessKey(mContent, key);
          88                 :   else
          89               0 :     esm->UnregisterAccessKey(mContent, key);
          90                 :
          91               0 :   return NS_OK;
          92                 : }
          93                 :
          94                 : /////////////////////////////////////////////////////////////////////////////
          95                 : // nsIFrame
          96                 :
          97                 : NS_IMETHODIMP
          98               0 : nsXULLabelFrame::Init(nsIContent*      aContent,
          99                 :                       nsIFrame*        aParent,
         100                 :                       nsIFrame*        aPrevInFlow)
         101                 : {
         102               0 :   nsresult rv = nsBlockFrame::Init(aContent, aParent, aPrevInFlow);
         103               0 :   if (NS_FAILED(rv))
         104               0 :     return rv;
         105                 :
         106                 :   // register access key
         107               0 :   return RegUnregAccessKey(true);
         108                 : }
         109                 :
         110                 : void
         111               0 : nsXULLabelFrame::DestroyFrom(nsIFrame* aDestructRoot)
         112                 : {
         113                 :   // unregister access key
         114               0 :   RegUnregAccessKey(false);
         115               0 :   nsBlockFrame::DestroyFrom(aDestructRoot);
         116               0 : }
         117                 :
         118                 : NS_IMETHODIMP
         119               0 : nsXULLabelFrame::AttributeChanged(PRInt32 aNameSpaceID,
         120                 :                                   nsIAtom* aAttribute,
         121                 :                                   PRInt32 aModType)
         122                 : {
         123                 :   nsresult rv = nsBlockFrame::AttributeChanged(aNameSpaceID,
         124               0 :                                                aAttribute, aModType);
         125                 :
         126                 :   // If the accesskey changed, register for the new value
         127                 :   // The old value has been unregistered in nsXULElement::SetAttr
         128               0 :   if (aAttribute == nsGkAtoms::accesskey || aAttribute == nsGkAtoms::control)
         129               0 :     RegUnregAccessKey(true);
         130                 :
         131               0 :   return rv;
         132                 : }
         133                 :
         134                 : nsIAtom*
         135               0 : nsXULLabelFrame::GetType() const
         136                 : {
         137               0 :   return nsGkAtoms::XULLabelFrame;
         138                 : }
         139                 :
         140                 : /////////////////////////////////////////////////////////////////////////////
         141                 : // Diagnostics
         142                 :
         143                 : #ifdef NS_DEBUG
         144                 : NS_IMETHODIMP
         145               0 : nsXULLabelFrame::GetFrameName(nsAString& aResult) const
         146                 : {
         147               0 :   return MakeFrameName(NS_LITERAL_STRING("XULLabel"), aResult);
         148                 : }
         149                 : #endif

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