1 /*

     2  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 #include "config.h"

    27 

    28 #if ENABLE(SVG)

    29 #include "SVGResource.h"

    30 

    31 #include "RenderPath.h"

    32 #include "SVGElement.h"

    33 #include "SVGStyledElement.h"

    34 

    35 namespace WebCore {

    36 

    37 SVGResource::SVGResource()

    38 {

    39 }

    40 

    41 SVGResource::~SVGResource()

    42 {

    43 }

    44 

    45 void SVGResource::invalidate()

    46 {

    47 }

    48 

    49 void SVGResource::addClient(SVGStyledElement* item)

    50 {

    51     if (m_clients.contains(item))

    52         return;

    53 

    54     m_clients.add(item);

    55 }

    56 

    57 void SVGResource::repaintClients() const

    58 {

    59     SVGResource::repaintClients(m_clients);

    60 }

    61 

    62 void SVGResource::repaintClients(HashSet<SVGStyledElement*> clients)

    63 {

    64     HashSet<SVGStyledElement*>::const_iterator it = clients.begin();

    65     const HashSet<SVGStyledElement*>::const_iterator end = clients.end();

    66 

    67     for (; it != end; ++it) {

    68         SVGStyledElement* cur = *it;

    69         cur->setChanged();

    70 

    71         if (cur->renderer())

    72             cur->renderer()->repaint();

    73 

    74         cur->notifyResourceParentIfExistant();

    75     }

    76 }

    77 

    78 TextStream& SVGResource::externalRepresentation(TextStream& ts) const

    79 {

    80     return ts;

    81 }

    82 

    83 SVGResource* getResourceById(Document* document, const AtomicString& id)

    84 {

    85     if (id.isEmpty())

    86         return 0;

    87 

    88     Element* element = document->getElementById(id);

    89     SVGElement* svgElement = svg_dynamic_cast(element);

    90 

    91     if (svgElement && svgElement->isStyled())

    92         return static_cast<SVGStyledElement*>(svgElement)->canvasResource();

    93 

    94     return 0;

    95 }

    96 

    97 TextStream& operator<<(TextStream& ts, const SVGResource& r)

    98 {

    99     return r.externalRepresentation(ts);

   100 }

   101 

   102 } // namespace WebCore

   103 

   104 #endif