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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 "WMLRefreshElement.h"
     25 
     26 #include "Frame.h"
     27 #include "FrameLoader.h"
     28 #include "WMLCardElement.h"
     29 #include "WMLDocument.h"
     30 #include "WMLPageState.h"
     31 #include "WMLTimerElement.h"
     32 
     33 namespace WebCore {
     34 
     35 WMLRefreshElement::WMLRefreshElement(const QualifiedName& tagName, Document* doc)
     36     : WMLTaskElement(tagName, doc)
     37 {
     38 }
     39 
     40 WMLRefreshElement::~WMLRefreshElement()
     41 {
     42 }
     43 
     44 void WMLRefreshElement::executeTask()
     45 {
     46     ASSERT(document()->isWMLDocument());
     47     WMLDocument* document = static_cast<WMLDocument*>(this->document());
     48 
     49     WMLPageState* pageState = wmlPageStateForDocument(document);
     50     if (!pageState)
     51         return;
     52 
     53     WMLCardElement* card = document->activeCard();
     54     if (!card)
     55         return;
     56 
     57     // Before perform refresh task, we store the current timeout
     58     // value in the page state and then stop the timer
     59     WMLTimerElement* timer = card->eventTimer();
     60     if (timer) {
     61         timer->storeIntervalToPageState();
     62         timer->stop();
     63     }
     64 
     65     storeVariableState(pageState);
     66 
     67     // Redisplay curremt card with current variable state
     68     if (Frame* frame = document->frame()) {
     69         if (FrameLoader* loader = frame->loader())
     70             loader->reload();
     71     }
     72 
     73     // After refreshing task, resume the timer if it exsits
     74     if (timer)
     75         timer->start();
     76 }
     77 
     78 }
     79 
     80 #endif
     81