WebCore/wml/WMLTimerElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/wml/WMLTimerElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,156 @@
+/**
+ * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+
+#if ENABLE(WML)
+#include "WMLTimerElement.h"
+
+#include "Attribute.h"
+#include "HTMLNames.h"
+#include "WMLCardElement.h"
+#include "WMLDocument.h"
+#include "WMLNames.h"
+#include "WMLPageState.h"
+#include "WMLTemplateElement.h"
+#include "WMLVariables.h"
+
+namespace WebCore {
+
+using namespace WMLNames;
+
+WMLTimerElement::WMLTimerElement(const QualifiedName& tagName, Document* doc)
+    : WMLElement(tagName, doc)
+    , m_timer(this, &WMLTimerElement::timerFired)
+{
+}
+
+void WMLTimerElement::parseMappedAttribute(Attribute* attr)
+{
+    if (attr->name() == HTMLNames::nameAttr)
+        m_name = parseValueForbiddingVariableReferences(attr->value());
+    else
+        WMLElement::parseMappedAttribute(attr);
+}
+
+void WMLTimerElement::insertedIntoDocument()
+{
+    WMLElement::insertedIntoDocument();
+
+    // If the value of timeout is not a positive integer, ignore it
+    if (value().toInt() <= 0)
+        return;
+
+    Node* parent = parentNode();
+    if (!parent || !parent->isWMLElement())
+        return;
+
+    if (parent->hasTagName(cardTag)) {
+        m_card = static_cast<WMLCardElement*>(parent);
+        m_card->setIntrinsicEventTimer(this);
+    }
+}
+
+void WMLTimerElement::removedFromDocument()
+{
+    Node* parent = parentNode();
+    if (parent && parent->isWMLElement() && parent->hasTagName(cardTag)) {
+        m_card->setIntrinsicEventTimer(0);
+        m_card = 0;
+    }
+
+    WMLElement::removedFromDocument();
+}
+
+void WMLTimerElement::timerFired(Timer<WMLTimerElement>*)
+{
+    if (!m_card)
+        return;
+
+    WMLPageState* pageState = wmlPageStateForDocument(document());
+    if (!pageState)
+        return;
+
+    String value = this->value();
+
+    // When the timer expires, set the name varialbe of timer to '0'
+    if (!m_name.isEmpty()) {
+        value = "0";
+        pageState->storeVariable(m_name, value);
+    }
+
+    WMLIntrinsicEventType eventType = WMLIntrinsicEventOnTimer;
+    WMLIntrinsicEventHandler* eventHandler = m_card->eventHandler();
+
+    bool hasIntrinsicEvent = false;
+    if (eventHandler && eventHandler->hasIntrinsicEvent(eventType))
+        hasIntrinsicEvent = true;
+    else if (m_card->templateElement()) {
+        eventHandler = m_card->templateElement()->eventHandler();
+        if (eventHandler && eventHandler->hasIntrinsicEvent(eventType))
+            hasIntrinsicEvent = true;
+    }
+
+    if (hasIntrinsicEvent)
+        eventHandler->triggerIntrinsicEvent(eventType);
+}
+
+void WMLTimerElement::start(int interval)
+{
+    if (!m_card || m_timer.isActive())
+        return;
+
+    if (interval <= 0 && !m_name.isEmpty()) {
+        if (WMLPageState* pageState = wmlPageStateForDocument(document()))
+            interval = pageState->getVariable(m_name).toInt();
+    }
+
+    if (interval <= 0)
+        interval = value().toInt();
+
+    if (interval > 0)
+        m_timer.startOneShot(interval / 10.0f);
+}
+
+void WMLTimerElement::stop()
+{
+    if (m_timer.isActive())
+        m_timer.stop();
+}
+
+void WMLTimerElement::storeIntervalToPageState()
+{
+    if (!m_timer.isActive())
+        return;
+
+    int interval = static_cast<int>(m_timer.nextFireInterval()) * 10;
+
+    if (WMLPageState* pageState = wmlPageStateForDocument(document()))
+        pageState->storeVariable(m_name, String::number(interval));
+}
+
+String WMLTimerElement::value() const
+{
+    return parseValueSubstitutingVariableReferences(getAttribute(HTMLNames::valueAttr));
+}
+
+}
+
+#endif