--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/qt/WebCoreSupport/QtFallbackWebPopup.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,250 @@
+/*
+ * 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 "HostWindow.h"
+#include "PopupMenuClient.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;
+ m_ownerPopup.popupDidHide();
+ 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()
+ : QtAbstractWebPopup()
+ , m_popupVisible(false)
+ , m_combo(0)
+{
+}
+
+QtFallbackWebPopup::~QtFallbackWebPopup()
+{
+ destroyPopup();
+}
+
+void QtFallbackWebPopup::show()
+{
+ 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();
+ m_combo->setCurrentIndex(currentIndex());
+
+ 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()
+{
+ QStandardItemModel* model = qobject_cast<QStandardItemModel*>(m_combo->model());
+ Q_ASSERT(model);
+
+#if !defined(Q_WS_S60)
+ m_combo->setFont(font());
+#endif
+ for (int i = 0; i < itemCount(); ++i) {
+ switch (itemType(i)) {
+ case Separator:
+ m_combo->insertSeparator(i);
+ break;
+ case Group:
+ m_combo->insertItem(i, itemText(i));
+ model->item(i)->setEnabled(false);
+ break;
+ case Option:
+ m_combo->insertItem(i, itemText(i));
+ model->item(i)->setEnabled(itemIsEnabled(i));
+ break;
+ }
+ }
+}
+
+void QtFallbackWebPopup::activeChanged(int index)
+{
+ if (index < 0)
+ return;
+
+ valueChanged(index);
+}
+
+}
+
+#endif // QT_NO_COMBOBOX