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      1 /**
      2  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #include "config.h"
     22 
     23 #if ENABLE(WML)
     24 #include "WMLAnchorElement.h"
     25 
     26 #include "EventNames.h"
     27 #include "KeyboardEvent.h"
     28 #include "WMLTaskElement.h"
     29 #include "HTMLNames.h"
     30 
     31 namespace WebCore {
     32 
     33 WMLAnchorElement::WMLAnchorElement(const QualifiedName& tagName, Document* doc)
     34     : WMLAElement(tagName, doc)
     35     , m_task(0)
     36 {
     37     // Calling setIsLink(), and returning a non-null value on CSSStyleSelectors' linkAttribute
     38     // method, makes it possible to 'appear as link' (just like <a href="..">) without the need to
     39     // actually set the href value to an empty value in the DOM tree.
     40     setIsLink();
     41 }
     42 
     43 PassRefPtr<WMLAnchorElement> WMLAnchorElement::create(const QualifiedName& tagName, Document* document)
     44 {
     45     return adoptRef(new WMLAnchorElement(tagName, document));
     46 }
     47 
     48 WMLAnchorElement::~WMLAnchorElement()
     49 {
     50 }
     51 
     52 void WMLAnchorElement::defaultEventHandler(Event* event)
     53 {
     54     bool shouldHandle = false;
     55 
     56     if (event->type() == eventNames().clickEvent)
     57         shouldHandle = true;
     58     else if (event->type() == eventNames().keydownEvent && event->isKeyboardEvent() && focused())
     59         shouldHandle = static_cast<KeyboardEvent*>(event)->keyIdentifier() == "Enter";
     60 
     61     if (shouldHandle && m_task) {
     62         m_task->executeTask();
     63         event->setDefaultHandled();
     64         return;
     65     }
     66 
     67     // Skip WMLAElement::defaultEventHandler, we don't own a href attribute, that needs to be handled.
     68     WMLElement::defaultEventHandler(event);
     69 }
     70 
     71 void WMLAnchorElement::registerTask(WMLTaskElement* task)
     72 {
     73     ASSERT(!m_task);
     74     m_task = task;
     75 }
     76 
     77 void WMLAnchorElement::deregisterTask(WMLTaskElement* task)
     78 {
     79     ASSERT_UNUSED(task, m_task == task);
     80     m_task = 0;
     81 }
     82 
     83 }
     84 
     85 #endif
     86