void History::ajustCurrentItem(bool back)
{
if (back && canGoBack())
m_current--;
else if (!back && canGoForward())
m_current++;
}
/*!
Set the current item to be the previous item in the history and goes to the
corresponding page; i.e., goes back one history item.
\sa forward(), goToItem()
*/
void QWebHistory::back()
{
if (canGoBack()) {
WebCore::Page* page = static_cast<WebCore::BackForwardListImpl*>(d->lst)->page();
page->goToItem(d->lst->backItem(), WebCore::FrameLoadTypeIndexedBackForward);
}
}
void WebWidget::updateNavigationActions()
{
if (m_actions.contains(ActionsManager::GoBackAction))
{
m_actions[ActionsManager::GoBackAction]->setEnabled(canGoBack());
}
if (m_actions.contains(ActionsManager::GoForwardAction))
{
m_actions[ActionsManager::GoForwardAction]->setEnabled(canGoForward());
}
if (m_actions.contains(ActionsManager::RewindAction))
{
m_actions[ActionsManager::RewindAction]->setEnabled(canGoBack());
}
if (m_actions.contains(ActionsManager::FastForwardAction))
{
m_actions[ActionsManager::FastForwardAction]->setEnabled(canGoForward());
}
if (m_actions.contains(ActionsManager::StopAction))
{
m_actions[ActionsManager::StopAction]->setEnabled(isLoading());
}
if (m_actions.contains(ActionsManager::ReloadAction))
{
m_actions[ActionsManager::ReloadAction]->setEnabled(!isLoading());
}
if (m_actions.contains(ActionsManager::ReloadOrStopAction))
{
m_actions[ActionsManager::ReloadOrStopAction]->setup(isLoading() ? getAction(ActionsManager::StopAction) : getAction(ActionsManager::ReloadAction));
}
if (m_actions.contains(ActionsManager::LoadPluginsAction))
{
m_actions[ActionsManager::LoadPluginsAction]->setEnabled(getAmountOfNotLoadedPlugins() > 0);
}
if (m_actions.contains(ActionsManager::ViewSourceAction))
{
m_actions[ActionsManager::ViewSourceAction]->setEnabled(canViewSource());
}
}
void AMPWebView::slotBack()
{
if ( !canGoBack() ) return;
_history->back();
emit backAvailable( canGoBack() );
QWebHistoryItem wit=_webPage->history()->backItem();
PHIAHistoryItem it=_history->currentItem();
if ( wit.isValid() && it.url()==wit.url() ) {
qDebug( "slotBack(): matches back item" );
_webPage->triggerAction( QWebPage::Back );
} else {
qDebug( "%s<>%s", qPrintable( wit.url().toString() ), qPrintable( it.url().toString() ) );
QNetworkRequest req;
req.setUrl( it.url() );
slotNetworkRequest( req );
}
}
void History::back()
{
if (canGoBack()) {
m_current--;
HistoryItem item = m_entries[m_current];
m_webView->loadUrl(item.url, item.title, true);
}
}
void BrowserWidget::urlChanging(QUrl url) {
if (lastUrl == homePageUrl && url != homePageUrl) {
emit unloadingHomePage();
}
QList<QWebHistoryItem> backItems = webView->page()->history()->backItems(1);
if (! backItems.empty() && backItems.last().url() != homePageUrl) {
emit canGoBack(true);
} else {
emit canGoBack(false);
}
lastUrl = url;
centerOn(QPoint(0, 0));
emit urlChanged(url);
}
QList<HistoryItem> History::backItems(int maxItems) const
{
QList<HistoryItem> ret;
if (canGoBack()) {
int first = qMax(m_current - maxItems, 0);
for (int i = first; i < m_current; ++i) {
ret.append(m_entries[i]);
}
}
return ret;
}
TITANIUM_FUNCTION(WebView, canGoBack)
{
return get_context().CreateBoolean(canGoBack());
}
