LCOV - code coverage report
Current view: directory - content/events/src - nsDOMTouchEvent.h (source / functions) Found Hit Coverage
Test: app.info Lines: 51 3 5.9 %
Date: 2012-06-02 Functions: 45 3 6.7 %

       1                 : /* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
       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 nsDOMTouchEvent.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is the Mozilla Foundation.
      18                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      19                 :  * the Initial Developer. All Rights Reserved.
      20                 :  *
      21                 :  * Contributor(s):
      22                 :  *   Olli Pettay <Olli.Pettay@helsinki.fi> (Original Author)
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * 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                 : #ifndef nsDOMTouchEvent_h_
      38                 : #define nsDOMTouchEvent_h_
      39                 : 
      40                 : #include "nsDOMUIEvent.h"
      41                 : #include "nsIDOMTouchEvent.h"
      42                 : #include "nsString.h"
      43                 : #include "nsTArray.h"
      44                 : 
      45                 : class nsDOMTouch : public nsIDOMTouch
      46               0 : {
      47                 : public:
      48               0 :   nsDOMTouch(nsIDOMEventTarget* aTarget,
      49                 :              PRInt32 aIdentifier,
      50                 :              PRInt32 aPageX,
      51                 :              PRInt32 aPageY,
      52                 :              PRInt32 aScreenX,
      53                 :              PRInt32 aScreenY,
      54                 :              PRInt32 aClientX,
      55                 :              PRInt32 aClientY,
      56                 :              PRInt32 aRadiusX,
      57                 :              PRInt32 aRadiusY,
      58                 :              float aRotationAngle,
      59                 :              float aForce)
      60               0 :     {
      61               0 :       mTarget = aTarget;
      62               0 :       mIdentifier = aIdentifier;
      63               0 :       mPagePoint = nsIntPoint(aPageX, aPageY);
      64               0 :       mScreenPoint = nsIntPoint(aScreenX, aScreenY);
      65               0 :       mClientPoint = nsIntPoint(aClientX, aClientY);
      66               0 :       mRefPoint = nsIntPoint(0, 0);
      67               0 :       mPointsInitialized = true;
      68               0 :       mRadius.x = aRadiusX;
      69               0 :       mRadius.y = aRadiusY;
      70               0 :       mRotationAngle = aRotationAngle;
      71               0 :       mForce = aForce;
      72                 : 
      73               0 :       mChanged = false;
      74               0 :       mMessage = 0;
      75               0 :     }
      76               0 :   nsDOMTouch(PRInt32 aIdentifier,
      77                 :              nsIntPoint aPoint,
      78                 :              nsIntPoint aRadius,
      79                 :              float aRotationAngle,
      80                 :              float aForce)
      81               0 :     {
      82               0 :       mIdentifier = aIdentifier;
      83               0 :       mPagePoint = nsIntPoint(0, 0);
      84               0 :       mScreenPoint = nsIntPoint(0, 0);
      85               0 :       mClientPoint = nsIntPoint(0, 0);
      86               0 :       mRefPoint = aPoint;
      87               0 :       mPointsInitialized = false;
      88               0 :       mRadius = aRadius;
      89               0 :       mRotationAngle = aRotationAngle;
      90               0 :       mForce = aForce;
      91                 : 
      92               0 :       mChanged = false;
      93               0 :       mMessage = 0;
      94               0 :     }
      95               0 :   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      96            1464 :   NS_DECL_CYCLE_COLLECTION_CLASS(nsDOMTouch)
      97                 :   NS_DECL_NSIDOMTOUCH
      98               0 :   void InitializePoints(nsPresContext* aPresContext, nsEvent* aEvent)
      99                 :   {
     100               0 :     if (mPointsInitialized) {
     101               0 :       return;
     102                 :     }
     103                 :     mClientPoint = nsDOMEvent::GetClientCoords(aPresContext,
     104                 :                                                aEvent,
     105                 :                                                mRefPoint,
     106               0 :                                                mClientPoint);
     107                 :     mPagePoint = nsDOMEvent::GetPageCoords(aPresContext,
     108                 :                                            aEvent,
     109                 :                                            mRefPoint,
     110               0 :                                            mClientPoint);
     111               0 :     mScreenPoint = nsDOMEvent::GetScreenCoords(aPresContext, aEvent, mRefPoint);
     112               0 :     mPointsInitialized = true;
     113                 :   }
     114                 :   void SetTarget(nsIDOMEventTarget *aTarget)
     115                 :   {
     116                 :     mTarget = aTarget;
     117                 :   }
     118                 :   bool Equals(nsIDOMTouch* aTouch);
     119                 : protected:
     120                 :   bool mPointsInitialized;
     121                 :   PRInt32 mIdentifier;
     122                 :   nsIntPoint mPagePoint;
     123                 :   nsIntPoint mClientPoint;
     124                 :   nsIntPoint mScreenPoint;
     125                 :   nsIntPoint mRadius;
     126                 :   float mRotationAngle;
     127                 :   float mForce;
     128                 : };
     129                 : 
     130                 : class nsDOMTouchList : public nsIDOMTouchList
     131               0 : {
     132                 : public:
     133               0 :   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     134            1464 :   NS_DECL_CYCLE_COLLECTION_CLASS(nsDOMTouchList)
     135                 :   NS_DECL_NSIDOMTOUCHLIST
     136                 : 
     137               0 :   nsDOMTouchList() { }
     138                 :   nsDOMTouchList(nsTArray<nsCOMPtr<nsIDOMTouch> > &aTouches);
     139                 :   
     140               0 :   void Append(nsIDOMTouch* aPoint)
     141                 :   {
     142               0 :     mPoints.AppendElement(aPoint);
     143               0 :   }
     144                 : 
     145               0 :   nsIDOMTouch* GetItemAt(PRUint32 aIndex)
     146                 :   {
     147               0 :     return mPoints.SafeElementAt(aIndex, nsnull);
     148                 :   }
     149                 : protected:
     150                 :   nsTArray<nsCOMPtr<nsIDOMTouch> > mPoints;
     151                 : };
     152                 : 
     153                 : class nsDOMTouchEvent : public nsDOMUIEvent,
     154                 :                         public nsIDOMTouchEvent
     155                 : {
     156                 : public:
     157                 :   nsDOMTouchEvent(nsPresContext* aPresContext, nsTouchEvent* aEvent);
     158                 :   virtual ~nsDOMTouchEvent();
     159                 : 
     160                 :   NS_DECL_ISUPPORTS_INHERITED
     161            1464 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsDOMTouchEvent, nsDOMUIEvent)
     162                 :   NS_DECL_NSIDOMTOUCHEVENT
     163                 : 
     164               0 :   NS_FORWARD_TO_NSDOMUIEVENT
     165                 : 
     166                 :   static bool PrefEnabled();
     167                 : protected:
     168                 :   nsCOMPtr<nsIDOMTouchList> mTouches;
     169                 :   nsCOMPtr<nsIDOMTouchList> mTargetTouches;
     170                 :   nsCOMPtr<nsIDOMTouchList> mChangedTouches;
     171                 : };
     172                 : 
     173                 : #endif /* !defined(nsDOMTouchEvent_h_) */

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