1 files changed, 162 insertions, 0 deletions
diff --git a/util/accessibilityinspector/screenreader.cpp b/util/accessibilityinspector/screenreader.cpp
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+++ b/util/accessibilityinspector/screenreader.cpp
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+/****************************************************************************
+ **
+ ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+ ** All rights reserved.
+ ** Contact: Nokia Corporation (qt-info@nokia.com)
+ **
+ ** This file is part of the tools applications of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+ ** GNU Lesser General Public License Usage
+ ** This file may be used under the terms of the GNU Lesser General Public
+ ** License version 2.1 as published by the Free Software Foundation and
+ ** appearing in the file LICENSE.LGPL included in the packaging of this
+ ** file. Please review the following information to ensure the GNU Lesser
+ ** General Public License version 2.1 requirements will be met:
+ ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+ **
+ ** In addition, as a special exception, Nokia gives you certain additional
+ ** rights. These rights are described in the Nokia Qt LGPL Exception
+ ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+ **
+ ** GNU General Public License Usage
+ ** Alternatively, this file may be used under the terms of the GNU General
+ ** Public License version 3.0 as published by the Free Software Foundation
+ ** and appearing in the file LICENSE.GPL included in the packaging of this
+ ** file. Please review the following information to ensure the GNU General
+ ** Public License version 3.0 requirements will be met:
+ ** http://www.gnu.org/copyleft/gpl.html.
+ **
+ ** Other Usage
+ ** Alternatively, this file may be used in accordance with the terms and
+ ** conditions contained in a signed written agreement between you and Nokia.
+ **
+ **
+ **
+ **
+ **
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+#include "screenreader.h"
+#include "optionswidget.h"
+#include "accessibilityscenemanager.h"
+#include <QtGui>
+
+#ifdef Q_OS_MAC
+#include <private/qt_mac_p.h>
+#endif
+
+ScreenReader::ScreenReader(QObject *parent) :
+    QObject(parent)
+{
+    m_selectedInterface = 0;
+    m_rootInterface = 0;
+    bool activateCalled = false;
+}
+
+ScreenReader::~ScreenReader()
+{
+    delete m_selectedInterface;
+    delete m_rootInterface;
+}
+
+void ScreenReader::setRootObject(QObject *rootObject)
+{
+    m_rootInterface = QAccessible::queryAccessibleInterface(rootObject);
+}
+
+void ScreenReader::setOptionsWidget(OptionsWidget *optionsWidget)
+{
+    m_optionsWidget = optionsWidget;
+}
+
+void ScreenReader::touchPoint(const QPoint &point)
+{
+    qDebug() << "touch" << point;
+    // Wait and see if this touch is the start of a double-tap
+    // (activate will then be called and cancel the touch processing)
+    m_activateCalled = false;
+    m_currentTouchPoint = point;
+    QTimer::singleShot(200, this, SLOT(processTouchPoint()));
+}
+
+void ScreenReader::processTouchPoint()
+{
+    if (m_activateCalled) {
+        return;
+    }
+
+    if (m_rootInterface == 0) {
+        return;
+    }
+
+    QAccessibleInterface * currentInterface = m_rootInterface;
+
+    int hit = -2;
+    int guardCounter = 0;
+    const int guardMax = 40;
+    while (hit != 0) {
+        ++guardCounter;
+        if (guardCounter > guardMax) {
+            qDebug() << "touchPoint exit recursion overflow";
+            return; // outside
+        }
+
+        hit = currentInterface->childAt(m_currentTouchPoint.x(), m_currentTouchPoint.y());
+        //qDebug() << "hit" << hit;
+        if (hit == -1) {
+            return; // outside
+        } else if (hit == 0) {
+            break; // found it.
+        } else {
+            QAccessibleInterface *childInterface = 0;
+            int child = currentInterface->navigate(QAccessible::Child, hit, &childInterface);
+            if (childInterface == 0) {
+                return; // navigation error
+            }
+
+            if (currentInterface != m_rootInterface)
+                delete currentInterface;
+            currentInterface = childInterface;
+        }
+    }
+
+    m_selectedInterface = currentInterface;
+    emit selected(m_selectedInterface->object());
+    if (m_optionsWidget->enableTextToSpeach())
+        speak(m_selectedInterface->text(QAccessible::Name, 0)
+              /*+ "," + translateRole(m_selectedInterface->role(0)) */);
+
+//    qDebug() << "touchPoint exit found" << m_selectedInterface->text(QAccessible::Name, 0) << m_selectedInterface->object() << m_selectedInterface->rect(0);
+}
+
+void ScreenReader::activate()
+{
+    qDebug() << "ScreenReader::activate";
+    m_activateCalled = true;
+    if (m_selectedInterface) {
+        m_selectedInterface->doAction(QAccessible::Press, 0);
+    }
+}
+
+#ifdef Q_OS_MAC
+
+    // screenreader.mm
+
+#else
+
+void ScreenReader::speak(const QString &text, const QString &/*voice*/)
+{
+    QFile f("festivalspeachhack");
+    f.open(QIODevice::WriteOnly);
+    f.write(text.toLocal8Bit());
+    f.close();
+
+    QProcess *process = new QProcess;
+    process->start("/usr/bin/festival", QStringList() << "--tts" << "festivalspeachhack");
+}
+
+#endif
+