1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 package com.nokia.microedition.m2g;

    20 

    21 import org.w3c.dom.svg.*;

    22 import com.nokia.mj.impl.utils.Logger;

    23 

    24 

    25 /**

    26  * This interface represents an Animation element,

    27  * which contains methods to control the timing of

    28  * animations.

    29  */

    30 public class M2GSVGAnimationElement

    31         extends M2GSVGElement

    32         implements SVGAnimationElement

    33 {

    34     //--------------------------------------------------

    35     // METHODS

    36     //--------------------------------------------------

    37     /**

    38      * Constructor

    39      * @param aElemnetHandle -

    40      * @param aDocument -

    41      */

    42     public M2GSVGAnimationElement(int aElementHandle, M2GDocument aDocument)

    43     {

    44         super(aElementHandle, aDocument);

    45     }

    46 

    47     /**

    48      * @see org.w3c.dom.svg.SVGAnimationElement#beginElementAt()

    49      */

    50     public void beginElementAt(float offset)

    51     {

    52         _beginElementAt(

    53             getNativeSVGProxyHandle(),

    54             getDocument().getHandle(), getHandle(), offset,

    55             getDocument().getRootElement().getCurrentTime() );

    56     }

    57 

    58     /**

    59      * Same as the beginElementAt with offset 0.0f

    60      * @see org.w3c.dom.svg.SVGAnimationElement#beginElementAt()

    61      */

    62     public void beginElement()

    63     {

    64         beginElementAt(0.0f);

    65     }

    66 

    67     /**

    68      * @see org.w3c.dom.svg.SVGAnimationElement#endElementAt()

    69      */

    70     public void endElementAt(float offset)

    71     {

    72         short endAttribute = _getEnumTrait(

    73                                  getNativeSVGProxyHandle(),

    74                                  getHandle(), M2GSVGConstants.AT_END );

    75         // NOTE Native SVG engine checks that element is active so

    76         // java side doesn't have to do that

    77         if (endAttribute == M2GSVGConstants.ANIM_INDEFINITE)

    78         {

    79             Logger.LOG(Logger.EJavaUI, Logger.EInfo,

    80                        "endElementAt() - Cannot stop this animation, indefinite attribute");

    81         }

    82         else

    83         {

    84             _endElementAt(

    85                 getNativeSVGProxyHandle(),

    86                 getDocument().getHandle(), getHandle(),

    87                 (offset + getDocument().getRootElement().getCurrentTime())    );

    88         }

    89     }

    90 

    91 

    92     //--------------------------------------------------

    93     // NATIVE METHODS

    94     //--------------------------------------------------

    95     private native void _beginElementAt(

    96         int aSvgProxyHandle, int aDocumentHandle,

    97         int aElementHandle, float aOffset, float aCurrentTime);

    98 

    99     private native void _endElementAt(

   100         int aSvgProxyHandle, int aDocumentHandle,

   101         int aElementHandle, float aOffset);

   102 

   103     private native boolean _isActive(

   104         int aSvgProxyHandle, int aElementHandle);

   105 }