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 "WMLPrevElement.h"
25
26 #include "BackForwardController.h"
27 #include "Page.h"
28 #include "WMLCardElement.h"
29 #include "WMLDocument.h"
30 #include "WMLPageState.h"
31 #include "WMLTimerElement.h"
32
33 namespace WebCore {
34
WMLPrevElement(const QualifiedName & tagName,Document * doc)35 WMLPrevElement::WMLPrevElement(const QualifiedName& tagName, Document* doc)
36 : WMLTaskElement(tagName, doc)
37 {
38 }
39
create(const QualifiedName & tagName,Document * document)40 PassRefPtr<WMLPrevElement> WMLPrevElement::create(const QualifiedName& tagName, Document* document)
41 {
42 return adoptRef(new WMLPrevElement(tagName, document));
43 }
44
~WMLPrevElement()45 WMLPrevElement::~WMLPrevElement()
46 {
47 }
48
executeTask()49 void WMLPrevElement::executeTask()
50 {
51 ASSERT(document()->isWMLDocument());
52 WMLDocument* document = static_cast<WMLDocument*>(this->document());
53
54 WMLPageState* pageState = wmlPageStateForDocument(document);
55 if (!pageState)
56 return;
57
58 WMLCardElement* card = document->activeCard();
59 if (!card)
60 return;
61
62 storeVariableState(pageState);
63
64 // Stop the timer of the current card if it is active
65 if (WMLTimerElement* eventTimer = card->eventTimer())
66 eventTimer->stop();
67
68 pageState->page()->backForward()->goBack();
69 }
70
71 }
72
73 #endif
74