r1
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// Copyright (c) 2011-2013 The Bitcoin developers
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// Copyright (c) 2017-2018 The PIVX developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "notificator.h"
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#include <QApplication>
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#include <QByteArray>
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#include <QIcon>
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#include <QImageWriter>
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#include <QMessageBox>
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#include <QMetaType>
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#include <QStyle>
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#include <QSystemTrayIcon>
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#include <QTemporaryFile>
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#include <QVariant>
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#ifdef USE_DBUS
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#include <QtDBus>
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#include <stdint.h>
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#endif
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// Include ApplicationServices.h after QtDbus to avoid redefinition of check().
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// This affects at least OSX 10.6. See /usr/include/AssertMacros.h for details.
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// Note: This could also be worked around using:
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// #define __ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORES 0
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#ifdef Q_OS_MAC
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#include "macnotificationhandler.h"
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#include <ApplicationServices/ApplicationServices.h>
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#endif
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#ifdef USE_DBUS
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// https://wiki.ubuntu.com/NotificationDevelopmentGuidelines recommends at least 128
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const int FREEDESKTOP_NOTIFICATION_ICON_SIZE = 128;
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#endif
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Notificator::Notificator(const QString& programName, QSystemTrayIcon* trayicon, QWidget* parent) : QObject(parent),
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parent(parent),
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programName(programName),
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mode(None),
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trayIcon(trayicon)
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#ifdef USE_DBUS
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,
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interface(0)
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#endif
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{
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if (trayicon && trayicon->supportsMessages()) {
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mode = QSystemTray;
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}
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#ifdef USE_DBUS
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interface = new QDBusInterface("org.freedesktop.Notifications",
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"/org/freedesktop/Notifications", "org.freedesktop.Notifications");
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if (interface->isValid()) {
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mode = Freedesktop;
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}
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#endif
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#ifdef Q_OS_MAC
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// check if users OS has support for NSUserNotification
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if (MacNotificationHandler::instance()->hasUserNotificationCenterSupport()) {
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mode = UserNotificationCenter;
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}
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#endif
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}
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Notificator::~Notificator()
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{
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#ifdef USE_DBUS
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delete interface;
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#endif
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}
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#ifdef USE_DBUS
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// Loosely based on http://www.qtcentre.org/archive/index.php/t-25879.html
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class FreedesktopImage
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{
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public:
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FreedesktopImage() {}
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FreedesktopImage(const QImage& img);
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static int metaType();
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// Image to variant that can be marshalled over DBus
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static QVariant toVariant(const QImage& img);
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private:
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int width, height, stride;
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bool hasAlpha;
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int channels;
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int bitsPerSample;
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QByteArray image;
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friend QDBusArgument& operator<<(QDBusArgument& a, const FreedesktopImage& i);
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friend const QDBusArgument& operator>>(const QDBusArgument& a, FreedesktopImage& i);
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};
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Q_DECLARE_METATYPE(FreedesktopImage);
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// Image configuration settings
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const int CHANNELS = 4;
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const int BYTES_PER_PIXEL = 4;
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const int BITS_PER_SAMPLE = 8;
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FreedesktopImage::FreedesktopImage(const QImage& img) : width(img.width()),
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height(img.height()),
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stride(img.width() * BYTES_PER_PIXEL),
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hasAlpha(true),
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channels(CHANNELS),
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bitsPerSample(BITS_PER_SAMPLE)
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{
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// Convert 00xAARRGGBB to RGBA bytewise (endian-independent) format
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QImage tmp = img.convertToFormat(QImage::Format_ARGB32);
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const uint32_t* data = reinterpret_cast<const uint32_t*>(tmp.bits());
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unsigned int num_pixels = width * height;
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image.resize(num_pixels * BYTES_PER_PIXEL);
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for (unsigned int ptr = 0; ptr < num_pixels; ++ptr) {
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image[ptr * BYTES_PER_PIXEL + 0] = data[ptr] >> 16; // R
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image[ptr * BYTES_PER_PIXEL + 1] = data[ptr] >> 8; // G
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image[ptr * BYTES_PER_PIXEL + 2] = data[ptr]; // B
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image[ptr * BYTES_PER_PIXEL + 3] = data[ptr] >> 24; // A
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}
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}
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QDBusArgument& operator<<(QDBusArgument& a, const FreedesktopImage& i)
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{
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a.beginStructure();
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a << i.width << i.height << i.stride << i.hasAlpha << i.bitsPerSample << i.channels << i.image;
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a.endStructure();
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return a;
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}
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const QDBusArgument& operator>>(const QDBusArgument& a, FreedesktopImage& i)
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{
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a.beginStructure();
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a >> i.width >> i.height >> i.stride >> i.hasAlpha >> i.bitsPerSample >> i.channels >> i.image;
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a.endStructure();
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return a;
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}
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int FreedesktopImage::metaType()
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{
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return qDBusRegisterMetaType<FreedesktopImage>();
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}
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QVariant FreedesktopImage::toVariant(const QImage& img)
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{
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FreedesktopImage fimg(img);
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return QVariant(FreedesktopImage::metaType(), &fimg);
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}
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void Notificator::notifyDBus(Class cls, const QString& title, const QString& text, const QIcon& icon, int millisTimeout)
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{
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Q_UNUSED(cls);
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// Arguments for DBus call:
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QList<QVariant> args;
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// Program Name:
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args.append(programName);
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// Unique ID of this notification type:
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args.append(0U);
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// Application Icon, empty string
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args.append(QString());
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// Summary
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args.append(title);
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// Body
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args.append(text);
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// Actions (none, actions are deprecated)
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QStringList actions;
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args.append(actions);
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// Hints
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QVariantMap hints;
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// If no icon specified, set icon based on class
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QIcon tmpicon;
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if (icon.isNull()) {
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QStyle::StandardPixmap sicon = QStyle::SP_MessageBoxQuestion;
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switch (cls) {
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case Information:
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sicon = QStyle::SP_MessageBoxInformation;
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break;
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case Warning:
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sicon = QStyle::SP_MessageBoxWarning;
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break;
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case Critical:
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sicon = QStyle::SP_MessageBoxCritical;
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break;
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default:
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break;
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}
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tmpicon = QApplication::style()->standardIcon(sicon);
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} else {
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tmpicon = icon;
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}
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hints["icon_data"] = FreedesktopImage::toVariant(tmpicon.pixmap(FREEDESKTOP_NOTIFICATION_ICON_SIZE).toImage());
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args.append(hints);
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// Timeout (in msec)
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args.append(millisTimeout);
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// "Fire and forget"
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interface->callWithArgumentList(QDBus::NoBlock, "Notify", args);
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}
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#endif
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void Notificator::notifySystray(Class cls, const QString& title, const QString& text, const QIcon& icon, int millisTimeout)
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{
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Q_UNUSED(icon);
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QSystemTrayIcon::MessageIcon sicon = QSystemTrayIcon::NoIcon;
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switch (cls) // Set icon based on class
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{
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case Information:
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sicon = QSystemTrayIcon::Information;
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break;
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case Warning:
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sicon = QSystemTrayIcon::Warning;
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break;
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case Critical:
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sicon = QSystemTrayIcon::Critical;
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break;
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}
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trayIcon->showMessage(title, text, sicon, millisTimeout);
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}
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// Based on Qt's tray icon implementation
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#ifdef Q_OS_MAC
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void Notificator::notifyMacUserNotificationCenter(Class cls, const QString& title, const QString& text, const QIcon& icon)
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{
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// icon is not supported by the user notification center yet. OSX will use the app icon.
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MacNotificationHandler::instance()->showNotification(title, text);
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}
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#endif
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void Notificator::notify(Class cls, const QString& title, const QString& text, const QIcon& icon, int millisTimeout)
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{
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switch (mode) {
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#ifdef USE_DBUS
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case Freedesktop:
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notifyDBus(cls, title, text, icon, millisTimeout);
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break;
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#endif
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case QSystemTray:
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notifySystray(cls, title, text, icon, millisTimeout);
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break;
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#ifdef Q_OS_MAC
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case UserNotificationCenter:
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notifyMacUserNotificationCenter(cls, title, text, icon);
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break;
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#endif
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default:
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if (cls == Critical) {
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// Fall back to old fashioned pop-up dialog if critical and no other notification available
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QMessageBox::critical(parent, title, text, QMessageBox::Ok, QMessageBox::Ok);
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}
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break;
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}
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}
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