LCOV - code coverage report
Current view: directory - content/xul/content/src - nsXULPopupListener.h (source / functions) Found Hit Coverage
Test: app.info Lines: 2 1 50.0 %
Date: 2012-06-02 Functions: 5 1 20.0 %

       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                 :  *   Original Author: David W. Hyatt (hyatt@netscape.com)
      24                 :  *   Dean Tessman <dean_tessman@hotmail.com>
      25                 :  *   Pierre Phaneuf <pp@ludusdesign.com>
      26                 :  *   Robert O'Callahan <roc+moz@cs.cmu.edu>
      27                 :  *
      28                 :  * Alternatively, the contents of this file may be used under the terms of
      29                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      30                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      31                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      32                 :  * of those above. If you wish to allow use of your version of this file only
      33                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      34                 :  * use your version of this file under the terms of the MPL, indicate your
      35                 :  * decision by deleting the provisions above and replace them with the notice
      36                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      37                 :  * the provisions above, a recipient may use your version of this file under
      38                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      39                 :  *
      40                 :  * ***** END LICENSE BLOCK ***** */
      41                 : 
      42                 : /**
      43                 :  * This is the popup listener implementation for popup menus and context menus.
      44                 :  */
      45                 : 
      46                 : #ifndef nsXULPopupListener_h___
      47                 : #define nsXULPopupListener_h___
      48                 : 
      49                 : #include "nsCOMPtr.h"
      50                 : 
      51                 : #include "nsIContent.h"
      52                 : #include "nsIDOMElement.h"
      53                 : #include "nsIDOMMouseEvent.h"
      54                 : #include "nsIFrame.h"
      55                 : #include "nsIDOMEventListener.h"
      56                 : #include "nsCycleCollectionParticipant.h"
      57                 : 
      58                 : class nsXULPopupListener : public nsIDOMEventListener
      59                 : {
      60                 : public:
      61                 :     // aElement is the element that the popup is attached to. If aIsContext is
      62                 :     // false, the popup opens on left click on aElement or a descendant. If
      63                 :     // aIsContext is true, the popup is a context menu which opens on a
      64                 :     // context menu event.
      65                 :     nsXULPopupListener(nsIDOMElement *aElement, bool aIsContext);
      66                 :     virtual ~nsXULPopupListener(void);
      67                 : 
      68                 :     // nsISupports
      69               0 :     NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      70            1464 :     NS_DECL_CYCLE_COLLECTION_CLASS(nsXULPopupListener)
      71                 :     NS_DECL_NSIDOMEVENTLISTENER
      72                 : 
      73                 : protected:
      74                 :     // open the popup. aEvent is the event that triggered the popup such as
      75                 :     // a mouse click and aTargetContent is the target of this event.
      76                 :     virtual nsresult LaunchPopup(nsIDOMEvent* aEvent, nsIContent* aTargetContent);
      77                 : 
      78                 :     // close the popup when the listener goes away
      79                 :     virtual void ClosePopup();
      80                 : 
      81                 : private:
      82                 : #ifndef NS_CONTEXT_MENU_IS_MOUSEUP
      83                 :     // When a context menu is opened, focus the target of the contextmenu event.
      84                 :     nsresult FireFocusOnTargetContent(nsIDOMNode* aTargetNode);
      85                 : #endif
      86                 : 
      87                 :     // |mElement| is the node to which this listener is attached.
      88                 :     nsCOMPtr<nsIDOMElement> mElement;
      89                 : 
      90                 :     // The popup that is getting shown on top of mElement.
      91                 :     nsCOMPtr<nsIContent> mPopupContent; 
      92                 : 
      93                 :     // true if a context popup
      94                 :     bool mIsContext;
      95                 : };
      96                 : 
      97                 : #endif // nsXULPopupListener_h___

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