LCOV - code coverage report
Current view: directory - content/events/src - nsDOMDragEvent.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 42 0 0.0 %
Date: 2012-06-02 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 the Mozilla Corporation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2008
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Neil Deakin <enndeakin@gmail.com>
      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                 : #include "nsDOMDragEvent.h"
      39                 : #include "nsIServiceManager.h"
      40                 : #include "nsGUIEvent.h"
      41                 : #include "nsContentUtils.h"
      42                 : #include "nsDOMDataTransfer.h"
      43                 : #include "nsIDragService.h"
      44                 : 
      45               0 : nsDOMDragEvent::nsDOMDragEvent(nsPresContext* aPresContext,
      46                 :                                nsInputEvent* aEvent)
      47                 :   : nsDOMMouseEvent(aPresContext, aEvent ? aEvent :
      48               0 :                     new nsDragEvent(false, 0, nsnull))
      49                 : {
      50               0 :   if (aEvent) {
      51               0 :     mEventIsInternal = false;
      52                 :   }
      53                 :   else {
      54               0 :     mEventIsInternal = true;
      55               0 :     mEvent->time = PR_Now();
      56               0 :     mEvent->refPoint.x = mEvent->refPoint.y = 0;
      57               0 :     static_cast<nsMouseEvent*>(mEvent)->inputSource = nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
      58                 :   }
      59               0 : }
      60                 : 
      61               0 : nsDOMDragEvent::~nsDOMDragEvent()
      62                 : {
      63               0 :   if (mEventIsInternal) {
      64               0 :     if (mEvent->eventStructType == NS_DRAG_EVENT)
      65               0 :       delete static_cast<nsDragEvent*>(mEvent);
      66               0 :     mEvent = nsnull;
      67                 :   }
      68               0 : }
      69                 : 
      70               0 : NS_IMPL_ADDREF_INHERITED(nsDOMDragEvent, nsDOMMouseEvent)
      71               0 : NS_IMPL_RELEASE_INHERITED(nsDOMDragEvent, nsDOMMouseEvent)
      72                 : 
      73                 : DOMCI_DATA(DragEvent, nsDOMDragEvent)
      74                 : 
      75               0 : NS_INTERFACE_MAP_BEGIN(nsDOMDragEvent)
      76               0 :   NS_INTERFACE_MAP_ENTRY(nsIDOMDragEvent)
      77               0 :   NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(DragEvent)
      78               0 : NS_INTERFACE_MAP_END_INHERITING(nsDOMMouseEvent)
      79                 : 
      80                 : NS_IMETHODIMP
      81               0 : nsDOMDragEvent::InitDragEvent(const nsAString & aType,
      82                 :                               bool aCanBubble, bool aCancelable,
      83                 :                               nsIDOMWindow* aView, PRInt32 aDetail,
      84                 :                               PRInt32 aScreenX, PRInt32 aScreenY,
      85                 :                               PRInt32 aClientX, PRInt32 aClientY, 
      86                 :                               bool aCtrlKey, bool aAltKey, bool aShiftKey,
      87                 :                               bool aMetaKey, PRUint16 aButton,
      88                 :                               nsIDOMEventTarget *aRelatedTarget,
      89                 :                               nsIDOMDataTransfer* aDataTransfer)
      90                 : {
      91                 :   nsresult rv = nsDOMMouseEvent::InitMouseEvent(aType, aCanBubble, aCancelable,
      92                 :                   aView, aDetail, aScreenX, aScreenY, aClientX, aClientY,
      93                 :                   aCtrlKey, aAltKey, aShiftKey, aMetaKey, aButton,
      94               0 :                   aRelatedTarget);
      95               0 :   NS_ENSURE_SUCCESS(rv, rv);
      96                 : 
      97               0 :   if (mEventIsInternal && mEvent) {
      98               0 :     nsDragEvent* dragEvent = static_cast<nsDragEvent*>(mEvent);
      99               0 :     dragEvent->dataTransfer = aDataTransfer;
     100                 :   }
     101                 : 
     102               0 :   return NS_OK;
     103                 : }
     104                 : 
     105                 : NS_IMETHODIMP
     106               0 : nsDOMDragEvent::GetDataTransfer(nsIDOMDataTransfer** aDataTransfer)
     107                 : {
     108                 :   // the dataTransfer field of the event caches the DataTransfer associated
     109                 :   // with the drag. It is initialized when an attempt is made to retrieve it
     110                 :   // rather that when the event is created to avoid duplicating the data when
     111                 :   // no listener ever uses it.
     112               0 :   *aDataTransfer = nsnull;
     113                 : 
     114               0 :   if (!mEvent || mEvent->eventStructType != NS_DRAG_EVENT) {
     115               0 :     NS_WARNING("Tried to get dataTransfer from non-drag event!");
     116               0 :     return NS_OK;
     117                 :   }
     118                 : 
     119               0 :   nsDragEvent* dragEvent = static_cast<nsDragEvent*>(mEvent);
     120                 :   // for synthetic events, just use the supplied data transfer object even if null
     121               0 :   if (!mEventIsInternal) {
     122               0 :     nsresult rv = nsContentUtils::SetDataTransferInEvent(dragEvent);
     123               0 :     NS_ENSURE_SUCCESS(rv, rv);
     124                 :   }
     125                 : 
     126               0 :   NS_IF_ADDREF(*aDataTransfer = dragEvent->dataTransfer);
     127               0 :   return NS_OK;
     128                 : }
     129                 : 
     130               0 : nsresult NS_NewDOMDragEvent(nsIDOMEvent** aInstancePtrResult,
     131                 :                             nsPresContext* aPresContext,
     132                 :                             nsDragEvent *aEvent) 
     133                 : {
     134               0 :   nsDOMDragEvent* event = new nsDOMDragEvent(aPresContext, aEvent);
     135               0 :   return CallQueryInterface(event, aInstancePtrResult);
     136                 : }

Generated by: LCOV version 1.7