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/*
* Copyright (C) 2010 Girish Ramakrishnan <girish@forwardbias.in>
* Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
*
* 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"
#include "QtFallbackWebPopup.h"
#ifndef QT_NO_COMBOBOX
#include "ChromeClientQt.h"
#include "QWebPageClient.h"
#include "qgraphicswebview.h"
#include <QAbstractItemView>
#include <QApplication>
#include <QGraphicsProxyWidget>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QInputContext>
#include <QMouseEvent>
#include <QStandardItemModel>
#if ENABLE(SYMBIAN_DIALOG_PROVIDERS)
#include <BrCtlDialogsProvider.h>
#include <BrowserDialogsProvider.h> // S60 platform private header file
#include <e32base.h>
#endif
namespace WebCore {
QtFallbackWebPopupCombo::QtFallbackWebPopupCombo(QtFallbackWebPopup& ownerPopup)
: m_ownerPopup(ownerPopup)
{
// Install an event filter on the view inside the combo box popup to make sure we know
// when the popup got closed. E.g. QComboBox::hidePopup() won't be called when the popup
// is closed by a mouse wheel event outside its window.
view()->installEventFilter(this);
}
void QtFallbackWebPopupCombo::showPopup()
{
QComboBox::showPopup();
m_ownerPopup.m_popupVisible = true;
}
void QtFallbackWebPopupCombo::hidePopup()
{
#ifndef QT_NO_IM
QWidget* activeFocus = QApplication::focusWidget();
if (activeFocus && activeFocus == QComboBox::view()
&& activeFocus->testAttribute(Qt::WA_InputMethodEnabled)) {
QInputContext* qic = activeFocus->inputContext();
if (qic) {
qic->reset();
qic->setFocusWidget(0);
}
}
#endif // QT_NO_IM
QComboBox::hidePopup();
if (!m_ownerPopup.m_popupVisible)
return;
m_ownerPopup.m_popupVisible = false;
emit m_ownerPopup.didHide();
m_ownerPopup.destroyPopup();
}
bool QtFallbackWebPopupCombo::eventFilter(QObject* watched, QEvent* event)
{
Q_ASSERT(watched == view());
if (event->type() == QEvent::Show && !m_ownerPopup.m_popupVisible)
showPopup();
else if (event->type() == QEvent::Hide && m_ownerPopup.m_popupVisible)
hidePopup();
return false;
}
// QtFallbackWebPopup
QtFallbackWebPopup::QtFallbackWebPopup(const ChromeClientQt* chromeClient)
: m_popupVisible(false)
, m_combo(0)
, m_chromeClient(chromeClient)
{
}
QtFallbackWebPopup::~QtFallbackWebPopup()
{
destroyPopup();
}
void QtFallbackWebPopup::show(const QWebSelectData& data)
{
if (!pageClient())
return;
#if ENABLE(SYMBIAN_DIALOG_PROVIDERS)
TRAP_IGNORE(showS60BrowserDialog());
#else
destroyPopup();
m_combo = new QtFallbackWebPopupCombo(*this);
connect(m_combo, SIGNAL(activated(int)),
SLOT(activeChanged(int)), Qt::QueuedConnection);
populate(data);
QRect rect = geometry();
if (QGraphicsWebView *webView = qobject_cast<QGraphicsWebView*>(pageClient()->pluginParent())) {
QGraphicsProxyWidget* proxy = new QGraphicsProxyWidget(webView);
proxy->setWidget(m_combo);
proxy->setGeometry(rect);
} else {
m_combo->setParent(pageClient()->ownerWidget());
m_combo->setGeometry(QRect(rect.left(), rect.top(),
rect.width(), m_combo->sizeHint().height()));
}
QMouseEvent event(QEvent::MouseButtonPress, QCursor::pos(), Qt::LeftButton,
Qt::LeftButton, Qt::NoModifier);
QCoreApplication::sendEvent(m_combo, &event);
#endif
}
#if ENABLE(SYMBIAN_DIALOG_PROVIDERS)
static void ResetAndDestroy(TAny* aPtr)
{
RPointerArray<HBufC>* items = reinterpret_cast<RPointerArray<HBufC>* >(aPtr);
items->ResetAndDestroy();
}
void QtFallbackWebPopup::showS60BrowserDialog()
{
static MBrCtlDialogsProvider* dialogs = CBrowserDialogsProvider::NewL(0);
if (!dialogs)
return;
int size = itemCount();
CArrayFix<TBrCtlSelectOptionData>* options = new CArrayFixFlat<TBrCtlSelectOptionData>(qMax(1, size));
RPointerArray<HBufC> items(qMax(1, size));
CleanupStack::PushL(TCleanupItem(&ResetAndDestroy, &items));
for (int i = 0; i < size; i++) {
if (itemType(i) == Separator) {
TBrCtlSelectOptionData data(_L("----------"), false, false, false);
options->AppendL(data);
} else {
HBufC16* itemStr = HBufC16::NewL(itemText(i).length());
itemStr->Des().Copy((const TUint16*)itemText(i).utf16(), itemText(i).length());
CleanupStack::PushL(itemStr);
TBrCtlSelectOptionData data(*itemStr, i == currentIndex(), false, itemIsEnabled(i));
options->AppendL(data);
items.AppendL(itemStr);
CleanupStack::Pop();
}
}
dialogs->DialogSelectOptionL(KNullDesC(), (TBrCtlSelectOptionType)(ESelectTypeSingle | ESelectTypeWithFindPane), *options);
CleanupStack::PopAndDestroy(&items);
int newIndex;
for (newIndex = 0; newIndex < options->Count() && !options->At(newIndex).IsSelected(); newIndex++) {}
if (newIndex == options->Count())
newIndex = currentIndex();
m_popupVisible = false;
popupDidHide();
if (currentIndex() != newIndex && newIndex >= 0)
valueChanged(newIndex);
delete options;
}
#endif
void QtFallbackWebPopup::hide()
{
// Destroying the QComboBox here cause problems if the popup is in the
// middle of its show animation. Instead we rely on the fact that the
// Qt::Popup window will hide itself on mouse events outside its window.
}
void QtFallbackWebPopup::destroyPopup()
{
if (m_combo) {
m_combo->deleteLater();
m_combo = 0;
}
}
void QtFallbackWebPopup::populate(const QWebSelectData& data)
{
QStandardItemModel* model = qobject_cast<QStandardItemModel*>(m_combo->model());
Q_ASSERT(model);
#if !defined(Q_OS_SYMBIAN)
m_combo->setFont(font());
#endif
int currentIndex = -1;
for (int i = 0; i < data.itemCount(); ++i) {
switch (data.itemType(i)) {
case QWebSelectData::Separator:
m_combo->insertSeparator(i);
break;
case QWebSelectData::Group:
m_combo->insertItem(i, data.itemText(i));
model->item(i)->setEnabled(false);
break;
case QWebSelectData::Option:
m_combo->insertItem(i, data.itemText(i));
model->item(i)->setEnabled(data.itemIsEnabled(i));
model->item(i)->setToolTip(data.itemToolTip(i));
if (data.itemIsSelected(i))
currentIndex = i;
break;
}
}
if (currentIndex >= 0)
m_combo->setCurrentIndex(currentIndex);
}
void QtFallbackWebPopup::activeChanged(int index)
{
if (index < 0)
return;
emit selectItem(index, false, false);
}
QWebPageClient* QtFallbackWebPopup::pageClient() const
{
return m_chromeClient->platformPageClient();
}
}
#endif // QT_NO_COMBOBOX
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