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
31namespace WebCore {
32
33WMLAnchorElement::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
43PassRefPtr<WMLAnchorElement> WMLAnchorElement::create(const QualifiedName& tagName, Document* document)
44{
45    return adoptRef(new WMLAnchorElement(tagName, document));
46}
47
48WMLAnchorElement::~WMLAnchorElement()
49{
50}
51
52void 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
71void WMLAnchorElement::registerTask(WMLTaskElement* task)
72{
73    ASSERT(!m_task);
74    m_task = task;
75}
76
77void WMLAnchorElement::deregisterTask(WMLTaskElement* task)
78{
79    ASSERT_UNUSED(task, m_task == task);
80    m_task = 0;
81}
82
83}
84
85#endif
86