accessiblemailwebview.cpp

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/*
    Copyright 2011  José Millán Soto <fid@gpul.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "accessiblemailwebview.h"
#include "messageviewer/viewer/mailwebview.h"

#include <QWebFrame>

QString Q_GUI_EXPORT qTextAfterOffsetFromString( int offset, QAccessible2::BoundaryType boundaryType,
                                                 int *startOffset, int *endOffset, const QString& text );
QString Q_GUI_EXPORT qTextBeforeOffsetFromString( int offset, QAccessible2::BoundaryType boundaryType,
                                                  int *startOffset, int *endOffset, const QString& text );
QString Q_GUI_EXPORT qTextAtOffsetFromString( int offset, QAccessible2::BoundaryType boundaryType,
                                              int *startOffset, int *endOffset, const QString& text );

AccessibleMailWebView::AccessibleMailWebView( MessageViewer::MailWebView* widget ):
    QAccessibleWidgetEx( widget, QAccessible::Document )
{
    m_widget = widget;
}


int AccessibleMailWebView::characterCount()
{
    return m_widget->page()->mainFrame()->toPlainText().size();
}

int AccessibleMailWebView::selectionCount()
{
    return m_widget->hasSelection() ? 1 : 0;
}

void AccessibleMailWebView::addSelection( int startOffset, int endOffset )
{
    Q_UNUSED( startOffset );
    Q_UNUSED( endOffset );
}

void AccessibleMailWebView::removeSelection( int selectionIndex )
{
    if ( selectionIndex == 0 )
        m_widget->clearSelection();
}

void AccessibleMailWebView::setSelection( int selectionIndex, int startOffset, int endOffset )
{
    Q_UNUSED( selectionIndex );
    Q_UNUSED( startOffset );
    Q_UNUSED( endOffset );
}

void AccessibleMailWebView::setCursorPosition( int position )
{
    Q_UNUSED( position );
}

QString AccessibleMailWebView::text( int startOffset, int endOffset )
{
    QString text = m_widget->page()->mainFrame()->toPlainText();
    text.truncate( endOffset );
    text.remove( 0, startOffset );
    return text;
}

QString AccessibleMailWebView::attributes( int offset, int* startOffset, int* endOffset )
{
    Q_UNUSED( offset );
    Q_UNUSED( startOffset );
    Q_UNUSED( endOffset );
    return QString();
}

void AccessibleMailWebView::selection( int selectionIndex, int* startOffset, int* endOffset )
{
    Q_UNUSED( selectionIndex );
    *startOffset = -1;
    *endOffset = -1;
}

QRect AccessibleMailWebView::characterRect( int offset, QAccessible2::CoordinateType coordType )
{
    Q_UNUSED( offset );
    Q_UNUSED( coordType );
    return QRect();
}

int AccessibleMailWebView::offsetAtPoint( const QPoint& point, QAccessible2::CoordinateType coordType )
{
    Q_UNUSED( point );
    Q_UNUSED( coordType );
    return 0;
}

int AccessibleMailWebView::cursorPosition()
{
    return 0;
}

void AccessibleMailWebView::scrollToSubstring( int startIndex, int endIndex )
{
    Q_UNUSED( startIndex );
    Q_UNUSED( endIndex );
}

QString AccessibleMailWebView::textAfterOffset( int offset, QAccessible2::BoundaryType boundaryType, int* startOffset, int* endOffset )
{
    return qTextAfterOffsetFromString( offset, boundaryType, startOffset, endOffset, m_widget->page()->mainFrame()->toPlainText() );
}

QString AccessibleMailWebView::textBeforeOffset( int offset, QAccessible2::BoundaryType boundaryType, int* startOffset, int* endOffset )
{
    return qTextBeforeOffsetFromString( offset, boundaryType, startOffset, endOffset, m_widget->page()->mainFrame()->toPlainText() );
}

QString AccessibleMailWebView::textAtOffset( int offset, QAccessible2::BoundaryType boundaryType, int* startOffset, int* endOffset )
{
    return qTextAtOffsetFromString( offset, boundaryType, startOffset, endOffset, m_widget->page()->mainFrame()->toPlainText() );
}