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#include <QtGui/qtguiglobal.h>
#if QT_CONFIG(accessibility)

#include "qwinrtuiagriditemprovider.h"
#include "qwinrtuiamainprovider.h"
#include "qwinrtuiametadatacache.h"
#include "qwinrtuiautils.h"

#include <QtGui/QAccessible>
#include <QtGui/QAccessibleInterface>
#include <QtCore/QLoggingCategory>
#include <QtCore/QString>
#include <QtCore/private/qeventdispatcher_winrt_p.h>

QT_BEGIN_NAMESPACE

using namespace QWinRTUiAutomation;
using namespace ABI::Windows::UI::Xaml::Automation;
using namespace ABI::Windows::UI::Xaml::Automation::Provider;
using namespace ABI::Windows::UI::Xaml::Automation::Peers;

QWinRTUiaGridItemProvider::QWinRTUiaGridItemProvider(QAccessible::Id id) :
    QWinRTUiaBaseProvider(id)
{
    qCDebug(lcQpaUiAutomation) << __FUNCTION__;
}

QWinRTUiaGridItemProvider::~QWinRTUiaGridItemProvider()
{
    qCDebug(lcQpaUiAutomation) << __FUNCTION__;
}

// Returns the column index of the item.
HRESULT STDMETHODCALLTYPE QWinRTUiaGridItemProvider::get_Column(INT32 *value)
{
    qCDebug(lcQpaUiAutomation) << __FUNCTION__;

    if (!value)
        return E_INVALIDARG;

    QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
    *value = metadata->columnIndex();
    return S_OK;
}

// Returns the number of columns occupied by the item.
HRESULT STDMETHODCALLTYPE QWinRTUiaGridItemProvider::get_ColumnSpan(INT32 *value)
{
    qCDebug(lcQpaUiAutomation) << __FUNCTION__;

    if (!value)
        return E_INVALIDARG;

    QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
    *value = metadata->columnCount();
    return S_OK;
}

// Returns the provider for the containing table/tree.
HRESULT STDMETHODCALLTYPE QWinRTUiaGridItemProvider::get_ContainingGrid(IIRawElementProviderSimple **value)
{
    qCDebug(lcQpaUiAutomation) << __FUNCTION__;

    if (!value)
        return E_INVALIDARG;
    *value = nullptr;

    auto accid = id();
    auto elementId = QSharedPointer<QAccessible::Id>(new QAccessible::Id(0));
    auto ptrElementId = new QSharedPointer<QAccessible::Id>(elementId);

    if (!SUCCEEDED(QEventDispatcherWinRT::runOnMainThread([accid, ptrElementId]() {
        if (QAccessibleInterface *accessible = accessibleForId(accid)) {
            if (QAccessibleTableCellInterface *tableCellInterface = accessible->tableCellInterface()) {
                if (QAccessibleInterface *table = tableCellInterface->table()) {
                    **ptrElementId = idForAccessible(table);
                    QWinRTUiaMetadataCache::instance()->load(**ptrElementId);
                }
            }
        }
        delete ptrElementId;
        return S_OK;
    }))) {
        return E_FAIL;
    }

    if (!*elementId)
        return S_OK;

    return QWinRTUiaMainProvider::rawProviderForAccessibleId(*elementId, value);
}

// Returns the row index of the item.
HRESULT STDMETHODCALLTYPE QWinRTUiaGridItemProvider::get_Row(INT32 *value)
{
    qCDebug(lcQpaUiAutomation) << __FUNCTION__;

    if (!value)
        return E_INVALIDARG;

    QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
    *value = metadata->rowIndex();
    return S_OK;
}

// Returns the number of rows occupied by the item.
HRESULT STDMETHODCALLTYPE QWinRTUiaGridItemProvider::get_RowSpan(INT32 *value)
{
    qCDebug(lcQpaUiAutomation) << __FUNCTION__;

    if (!value)
        return E_INVALIDARG;

    QSharedPointer<QWinRTUiaControlMetadata> metadata = QWinRTUiaMetadataCache::instance()->metadataForId(id());
    *value = metadata->rowCount();
    return S_OK;
}

QT_END_NAMESPACE

#endif // QT_CONFIG(accessibility)