add qrcode scanner

1 files changed, 108 insertions, 0 deletions

diff --git a/src/QR-Code-scanner/QrCodeScanner.cpp b/src/QR-Code-scanner/QrCodeScanner.cpp
new file mode 100644
index 00000000..94102429
--- /dev/null
+++ b/src/QR-Code-scanner/QrCodeScanner.cpp
@@ -0,0 +1,108 @@
+// Copyright (c) 2014-2017, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "QrCodeScanner.h"
+#include <WalletManager.h>
+#include <QVideoProbe>
+#include <QCamera>
+
+QrCodeScanner::QrCodeScanner(QObject *parent)
+    : QObject(parent)
+    , m_processTimerId(-1)
+    , m_processInterval(750)
+    , m_enabled(true)
+{
+#ifdef WITH_SCANNER
+    m_probe = new QVideoProbe(this);
+    m_thread = new QrScanThread(this);
+    m_thread->start();
+    QObject::connect(m_thread, SIGNAL(decoded(int,QString)), this, SLOT(processCode(int,QString)));
+    QObject::connect(m_thread, SIGNAL(notifyError(const QString &, bool)), this, SIGNAL(notifyError(const QString &, bool)));
+    connect(m_probe, SIGNAL(videoFrameProbed(QVideoFrame)), this, SLOT(processFrame(QVideoFrame)));
+#endif
+}
+void QrCodeScanner::setSource(QCamera *camera)
+{
+    m_probe->setSource(camera);
+}
+void QrCodeScanner::processCode(int type, const QString &data)
+{
+    if (! m_enabled) return;
+    qDebug() << "decoded - type: " << type << " data: " << data;
+    QString address, payment_id, tx_description, recipient_name, error;
+    QVector<QString> unknown_parameters;
+    uint64_t amount(0);
+    if( ! WalletManager::instance()->parse_uri(data, address, payment_id, amount, tx_description, recipient_name, unknown_parameters, error) )
+    {
+        qDebug() << "Failed to parse_uri : " << error;
+        emit notifyError(error);
+        return;
+    }
+    if(unknown_parameters.size() > 0)
+    {
+        qDebug() << "unknown parameters " << unknown_parameters;
+        emit notifyError(error, true);
+    }
+    qDebug() << "Parsed URI : " << address << " " << payment_id << " " << amount << " " << tx_description << " " << recipient_name << " " << error;
+    QString s_amount = WalletManager::instance()->displayAmount(amount);
+    qDebug() << "Amount passed " << s_amount ;
+    emit decoded(address, payment_id, s_amount, tx_description, recipient_name);
+}
+void QrCodeScanner::processFrame(QVideoFrame frame)
+{
+    if(frame.isValid()){
+        m_curFrame = frame;
+    }
+}
+bool QrCodeScanner::enabled() const
+{
+    return m_enabled;
+}
+void QrCodeScanner::setEnabled(bool enabled)
+{
+    m_enabled = enabled;
+    if(!enabled && (m_processTimerId != -1) )
+    {
+        this->killTimer(m_processTimerId);
+        m_processTimerId = -1;
+    }
+    else if (enabled && (m_processTimerId == -1) )
+    {
+        m_processTimerId = this->startTimer(m_processInterval);
+    }
+    emit enabledChanged();
+}
+#ifdef WITH_SCANNER
+void QrCodeScanner::timerEvent(QTimerEvent *event)
+{
+    if( (event->timerId() == m_processTimerId) ){
+        m_thread->addFrame(m_curFrame);
+    }
+}
+#endif
+