LCOV - code coverage report
Current view: directory - layout/xul/base/src - nsButtonBoxFrame.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 59 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 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                 :  *   Original Author: David W. Hyatt (hyatt@netscape.com)
      24                 :  *   Blake Ross (blakeross@telocity.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                 : #include "nsCOMPtr.h"
      40                 : #include "nsButtonBoxFrame.h"
      41                 : #include "nsIContent.h"
      42                 : #include "nsIDocument.h"
      43                 : #include "nsIDOMDocument.h"
      44                 : #include "nsIDOMNodeList.h"
      45                 : #include "nsIDOMXULButtonElement.h"
      46                 : #include "nsGkAtoms.h"
      47                 : #include "nsINameSpaceManager.h"
      48                 : #include "nsPresContext.h"
      49                 : #include "nsIPresShell.h"
      50                 : #include "nsGUIEvent.h"
      51                 : #include "nsEventStateManager.h"
      52                 : #include "nsIDOMElement.h"
      53                 : #include "nsDisplayList.h"
      54                 : #include "nsContentUtils.h"
      55                 : #include "mozilla/dom/Element.h"
      56                 : 
      57                 : 
      58                 : //
      59                 : // NS_NewXULButtonFrame
      60                 : //
      61                 : // Creates a new Button frame and returns it
      62                 : //
      63                 : nsIFrame*
      64               0 : NS_NewButtonBoxFrame (nsIPresShell* aPresShell, nsStyleContext* aContext)
      65                 : {
      66               0 :   return new (aPresShell) nsButtonBoxFrame(aPresShell, aContext);
      67                 : }
      68                 : 
      69               0 : NS_IMPL_FRAMEARENA_HELPERS(nsButtonBoxFrame)
      70                 : 
      71                 : NS_IMETHODIMP
      72               0 : nsButtonBoxFrame::BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
      73                 :                                               const nsRect&           aDirtyRect,
      74                 :                                               const nsDisplayListSet& aLists)
      75                 : {
      76                 :   // override, since we don't want children to get events
      77               0 :   if (aBuilder->IsForEventDelivery())
      78               0 :     return NS_OK;
      79               0 :   return nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
      80                 : }
      81                 : 
      82                 : NS_IMETHODIMP
      83               0 : nsButtonBoxFrame::HandleEvent(nsPresContext* aPresContext, 
      84                 :                               nsGUIEvent* aEvent,
      85                 :                               nsEventStatus* aEventStatus)
      86                 : {
      87               0 :   NS_ENSURE_ARG_POINTER(aEventStatus);
      88               0 :   if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
      89               0 :     return NS_OK;
      90                 :   }
      91                 : 
      92               0 :   switch (aEvent->message) {
      93                 :     case NS_KEY_DOWN:
      94               0 :       if (NS_KEY_EVENT == aEvent->eventStructType) {
      95               0 :         nsKeyEvent* keyEvent = (nsKeyEvent*)aEvent;
      96               0 :         if (NS_VK_SPACE == keyEvent->keyCode) {
      97               0 :           nsEventStateManager *esm = aPresContext->EventStateManager();
      98                 :           // :hover:active state
      99               0 :           esm->SetContentState(mContent, NS_EVENT_STATE_HOVER);
     100               0 :           esm->SetContentState(mContent, NS_EVENT_STATE_ACTIVE);
     101                 :         }
     102                 :       }
     103               0 :       break;
     104                 : 
     105                 : // On mac, Return fires the defualt button, not the focused one.
     106                 : #ifndef XP_MACOSX
     107                 :     case NS_KEY_PRESS:
     108               0 :       if (NS_KEY_EVENT == aEvent->eventStructType) {
     109               0 :         nsKeyEvent* keyEvent = (nsKeyEvent*)aEvent;
     110               0 :         if (NS_VK_RETURN == keyEvent->keyCode) {
     111               0 :           nsCOMPtr<nsIDOMXULButtonElement> buttonEl(do_QueryInterface(mContent));
     112               0 :           if (buttonEl) {
     113               0 :             MouseClicked(aPresContext, aEvent);
     114               0 :             *aEventStatus = nsEventStatus_eConsumeNoDefault;
     115                 :           }
     116                 :         }
     117                 :       }
     118               0 :       break;
     119                 : #endif
     120                 : 
     121                 :     case NS_KEY_UP:
     122               0 :       if (NS_KEY_EVENT == aEvent->eventStructType) {
     123               0 :         nsKeyEvent* keyEvent = (nsKeyEvent*)aEvent;
     124               0 :         if (NS_VK_SPACE == keyEvent->keyCode) {
     125                 :           // only activate on keyup if we're already in the :hover:active state
     126               0 :           NS_ASSERTION(mContent->IsElement(), "How do we have a non-element?");
     127               0 :           nsEventStates buttonState = mContent->AsElement()->State();
     128               0 :           if (buttonState.HasAllStates(NS_EVENT_STATE_ACTIVE |
     129               0 :                                        NS_EVENT_STATE_HOVER)) {
     130                 :             // return to normal state
     131               0 :             nsEventStateManager *esm = aPresContext->EventStateManager();
     132               0 :             esm->SetContentState(nsnull, NS_EVENT_STATE_ACTIVE);
     133               0 :             esm->SetContentState(nsnull, NS_EVENT_STATE_HOVER);
     134               0 :             MouseClicked(aPresContext, aEvent);
     135                 :           }
     136                 :         }
     137                 :       }
     138               0 :       break;
     139                 : 
     140                 :     case NS_MOUSE_CLICK:
     141               0 :       if (NS_IS_MOUSE_LEFT_CLICK(aEvent)) {
     142               0 :         MouseClicked(aPresContext, aEvent);
     143                 :       }
     144               0 :       break;
     145                 :   }
     146                 : 
     147               0 :   return nsBoxFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
     148                 : }
     149                 : 
     150                 : void 
     151               0 : nsButtonBoxFrame::DoMouseClick(nsGUIEvent* aEvent, bool aTrustEvent) 
     152                 : {
     153                 :   // Don't execute if we're disabled.
     154               0 :   if (mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::disabled,
     155               0 :                             nsGkAtoms::_true, eCaseMatters))
     156               0 :     return;
     157                 : 
     158                 :   // Execute the oncommand event handler.
     159               0 :   bool isShift = false;
     160               0 :   bool isControl = false;
     161               0 :   bool isAlt = false;
     162               0 :   bool isMeta = false;
     163               0 :   if(aEvent) {
     164               0 :     isShift = ((nsInputEvent*)(aEvent))->isShift;
     165               0 :     isControl = ((nsInputEvent*)(aEvent))->isControl;
     166               0 :     isAlt = ((nsInputEvent*)(aEvent))->isAlt;
     167               0 :     isMeta = ((nsInputEvent*)(aEvent))->isMeta;
     168                 :   }
     169                 : 
     170                 :   // Have the content handle the event, propagating it according to normal DOM rules.
     171               0 :   nsCOMPtr<nsIPresShell> shell = PresContext()->GetPresShell();
     172               0 :   if (shell) {
     173                 :     nsContentUtils::DispatchXULCommand(mContent,
     174                 :                                        aEvent ?
     175                 :                                          NS_IS_TRUSTED_EVENT(aEvent) : aTrustEvent,
     176                 :                                        nsnull, shell,
     177               0 :                                        isControl, isAlt, isShift, isMeta);
     178                 :   }
     179                 : }

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