WebPopupMenuProxyQt.cpp [plain text]
#include "config.h"
#include "WebPopupMenuProxyQt.h"
#include "PlatformPopupMenuData.h"
#include "WebPopupItem.h"
#include "qquickwebview_p.h"
#include "qquickwebview_p_p.h"
#include <QtCore/QAbstractListModel>
#include <QtQml/QQmlContext>
#include <QtQml/QQmlEngine>
using namespace WebCore;
namespace WebKit {
static QHash<int, QByteArray> createRoleNamesHash();
class PopupMenuItemModel : public QAbstractListModel {
Q_OBJECT
public:
enum Roles {
GroupRole = Qt::UserRole,
EnabledRole = Qt::UserRole + 1,
SelectedRole = Qt::UserRole + 2,
IsSeparatorRole = Qt::UserRole + 3
};
PopupMenuItemModel(const Vector<WebPopupItem>&, int selectedOriginalIndex);
virtual int rowCount(const QModelIndex& parent = QModelIndex()) const { return m_items.size(); }
virtual QVariant data(const QModelIndex&, int role = Qt::DisplayRole) const;
Q_INVOKABLE void select(int);
int selectedOriginalIndex() const;
private:
struct Item {
Item(const WebPopupItem& webPopupItem, const QString& group, int originalIndex, bool selected)
: text(webPopupItem.m_text)
, toolTip(webPopupItem.m_toolTip)
, group(group)
, originalIndex(originalIndex)
, enabled(webPopupItem.m_isEnabled)
, selected(selected)
, isSeparator(webPopupItem.m_type == WebPopupItem::Separator)
{ }
QString text;
QString toolTip;
QString group;
int originalIndex;
bool enabled;
bool selected;
bool isSeparator;
};
void buildItems(const Vector<WebPopupItem>& webPopupItems, int selectedOriginalIndex);
Vector<Item> m_items;
int m_selectedModelIndex;
};
class ItemSelectorContextObject : public QObject {
Q_OBJECT
Q_PROPERTY(QRect elementRect READ elementRect CONSTANT FINAL)
Q_PROPERTY(QObject* items READ items CONSTANT FINAL)
public:
ItemSelectorContextObject(const IntRect& elementRect, const Vector<WebPopupItem>&, int selectedIndex);
QRect elementRect() const { return m_elementRect; }
PopupMenuItemModel* items() { return &m_items; }
Q_INVOKABLE void accept(int index = -1);
Q_INVOKABLE void reject() { emit rejected(); }
Q_SIGNALS:
void acceptedWithOriginalIndex(int);
void rejected();
private:
QRect m_elementRect;
PopupMenuItemModel m_items;
};
ItemSelectorContextObject::ItemSelectorContextObject(const IntRect& elementRect, const Vector<WebPopupItem>& webPopupItems, int selectedIndex)
: m_elementRect(elementRect)
, m_items(webPopupItems, selectedIndex)
{
}
void ItemSelectorContextObject::accept(int index)
{
if (index != -1)
m_items.select(index);
int originalIndex = m_items.selectedOriginalIndex();
emit acceptedWithOriginalIndex(originalIndex);
}
static QHash<int, QByteArray> createRoleNamesHash()
{
QHash<int, QByteArray> roles;
roles[Qt::DisplayRole] = "text";
roles[Qt::ToolTipRole] = "tooltip";
roles[PopupMenuItemModel::GroupRole] = "group";
roles[PopupMenuItemModel::EnabledRole] = "enabled";
roles[PopupMenuItemModel::SelectedRole] = "selected";
roles[PopupMenuItemModel::IsSeparatorRole] = "isSeparator";
return roles;
}
PopupMenuItemModel::PopupMenuItemModel(const Vector<WebPopupItem>& webPopupItems, int selectedOriginalIndex)
: m_selectedModelIndex(-1)
{
static QHash<int, QByteArray> roles = createRoleNamesHash();
setRoleNames(roles);
buildItems(webPopupItems, selectedOriginalIndex);
}
QVariant PopupMenuItemModel::data(const QModelIndex& index, int role) const
{
if (!index.isValid() || index.row() < 0 || index.row() >= m_items.size())
return QVariant();
const Item& item = m_items[index.row()];
if (item.isSeparator) {
if (role == IsSeparatorRole)
return true;
return QVariant();
}
switch (role) {
case Qt::DisplayRole:
return item.text;
case Qt::ToolTipRole:
return item.toolTip;
case GroupRole:
return item.group;
case EnabledRole:
return item.enabled;
case SelectedRole:
return item.selected;
case IsSeparatorRole:
return false;
}
return QVariant();
}
void PopupMenuItemModel::select(int index)
{
int oldIndex = m_selectedModelIndex;
if (index == oldIndex)
return;
if (index < 0 || index >= m_items.size())
return;
Item& item = m_items[index];
if (!item.enabled)
return;
Item& oldItem = m_items[oldIndex];
oldItem.selected = false;
item.selected = true;
m_selectedModelIndex = index;
emit dataChanged(this->index(oldIndex), this->index(oldIndex));
emit dataChanged(this->index(index), this->index(index));
}
int PopupMenuItemModel::selectedOriginalIndex() const
{
if (m_selectedModelIndex == -1)
return -1;
return m_items[m_selectedModelIndex].originalIndex;
}
void PopupMenuItemModel::buildItems(const Vector<WebPopupItem>& webPopupItems, int selectedOriginalIndex)
{
QString currentGroup;
m_items.reserveInitialCapacity(webPopupItems.size());
for (int i = 0; i < webPopupItems.size(); i++) {
const WebPopupItem& webPopupItem = webPopupItems[i];
if (webPopupItem.m_isLabel) {
currentGroup = webPopupItem.m_text;
continue;
}
const bool selected = i == selectedOriginalIndex;
if (selected)
m_selectedModelIndex = m_items.size();
m_items.append(Item(webPopupItem, currentGroup, i, selected));
}
}
WebPopupMenuProxyQt::WebPopupMenuProxyQt(WebPopupMenuProxy::Client* client, QQuickWebView* webView)
: WebPopupMenuProxy(client)
, m_webView(webView)
{
}
WebPopupMenuProxyQt::~WebPopupMenuProxyQt()
{
}
void WebPopupMenuProxyQt::showPopupMenu(const IntRect& rect, WebCore::TextDirection, double, const Vector<WebPopupItem>& items, const PlatformPopupMenuData&, int32_t selectedIndex)
{
m_selectedIndex = selectedIndex;
ItemSelectorContextObject* contextObject = new ItemSelectorContextObject(rect, items, m_selectedIndex);
createItem(contextObject);
if (!m_itemSelector) {
notifyValueChanged();
return;
}
QQuickWebViewPrivate::get(m_webView)->setDialogActive(true);
}
void WebPopupMenuProxyQt::hidePopupMenu()
{
m_itemSelector.clear();
QQuickWebViewPrivate::get(m_webView)->setDialogActive(false);
m_context.clear();
notifyValueChanged();
}
void WebPopupMenuProxyQt::selectIndex(int index)
{
m_selectedIndex = index;
}
void WebPopupMenuProxyQt::createItem(QObject* contextObject)
{
QQmlComponent* component = m_webView->experimental()->itemSelector();
if (!component) {
delete contextObject;
return;
}
createContext(component, contextObject);
QObject* object = component->beginCreate(m_context.get());
if (!object) {
m_context.clear();
return;
}
m_itemSelector = adoptPtr(qobject_cast<QQuickItem*>(object));
if (!m_itemSelector) {
m_context.clear();
m_itemSelector.clear();
return;
}
connect(contextObject, SIGNAL(acceptedWithOriginalIndex(int)), SLOT(selectIndex(int)));
connect(contextObject, SIGNAL(acceptedWithOriginalIndex(int)), SLOT(hidePopupMenu()), Qt::QueuedConnection);
connect(contextObject, SIGNAL(rejected()), SLOT(hidePopupMenu()), Qt::QueuedConnection);
QQuickWebViewPrivate::get(m_webView)->setViewInAttachedProperties(m_itemSelector.get());
component->completeCreate();
m_itemSelector->setParentItem(m_webView);
}
void WebPopupMenuProxyQt::createContext(QQmlComponent* component, QObject* contextObject)
{
QQmlContext* baseContext = component->creationContext();
if (!baseContext)
baseContext = QQmlEngine::contextForObject(m_webView);
m_context = adoptPtr(new QQmlContext(baseContext));
contextObject->setParent(m_context.get());
m_context->setContextProperty(QLatin1String("model"), contextObject);
m_context->setContextObject(contextObject);
}
void WebPopupMenuProxyQt::notifyValueChanged()
{
if (m_client) {
m_client->valueChangedForPopupMenu(this, m_selectedIndex);
invalidate();
}
}
}
#include "WebPopupMenuProxyQt.moc"
#include "moc_WebPopupMenuProxyQt.cpp"