Files
agrarian/src/qt/notificator.cpp
T
2022-02-03 23:45:47 -08:00

266 lines
8.2 KiB
C++

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