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313 lines
10 KiB
C++
313 lines
10 KiB
C++
/*
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* Copyright (C) 2008 Dmitry Suzdalev <dimsuz@gmail.com>
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*
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* This program is free software you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "notificationsengine.h"
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#include "notificationservice.h"
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#include "notificationsadaptor.h"
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#include <KDebug>
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#include <KConfigGroup>
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#include <KGlobal>
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#include <KNotifyConfigWidget>
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#include <KStandardDirs>
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#include <KIconLoader>
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#include <Plasma/DataContainer>
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#include <Plasma/Service>
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#include <QImage>
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#include <QTimerEvent>
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// for reference:
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// https://specifications.freedesktop.org/notification-spec/notification-spec-latest.html
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NotificationsEngine::NotificationsEngine( QObject* parent, const QVariantList& args )
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: Plasma::DataEngine( parent, args ), m_nextId( 1 )
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{
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new NotificationsAdaptor(this);
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QDBusConnection dbus = QDBusConnection::sessionBus();
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dbus.registerService( "org.freedesktop.Notifications" );
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dbus.registerObject( "/org/freedesktop/Notifications", this );
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}
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NotificationsEngine::~NotificationsEngine()
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{
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QDBusConnection dbus = QDBusConnection::sessionBus();
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dbus.unregisterService( "org.freedesktop.Notifications" );
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}
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void NotificationsEngine::init()
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{
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}
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inline void copyLineRGB32(QRgb* dst, const char* src, int width)
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{
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const char* end = src + width * 3;
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for (; src != end; ++dst, src+=3) {
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*dst = qRgb(src[0], src[1], src[2]);
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}
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}
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inline void copyLineARGB32(QRgb* dst, const char* src, int width)
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{
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const char* end = src + width * 4;
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for (; src != end; ++dst, src+=4) {
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*dst = qRgba(src[0], src[1], src[2], src[3]);
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}
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}
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static QImage decodeNotificationSpecImageHint(const QDBusArgument& arg)
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{
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int width = 0;
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int height = 0;
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int rowStride = 0;
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bool hasAlpha = false;
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int bitsPerSample = 0;
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int channels = 0;
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QByteArray pixels;
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arg.beginStructure();
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arg >> width >> height >> rowStride >> hasAlpha >> bitsPerSample >> channels >> pixels;
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arg.endStructure();
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// kDebug() << width << height << rowStride << hasAlpha << bitsPerSample << channels;
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#define SANITY_CHECK(condition) \
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if (!(condition)) { \
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kWarning() << "Sanity check failed on" << #condition; \
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return QImage(); \
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}
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SANITY_CHECK(width > 0);
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SANITY_CHECK(width < 2048);
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SANITY_CHECK(height > 0);
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SANITY_CHECK(height < 2048);
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SANITY_CHECK(rowStride > 0);
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#undef SANITY_CHECK
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QImage::Format format = QImage::Format_Invalid;
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void (*fcn)(QRgb*, const char*, int) = 0;
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if (bitsPerSample == 8) {
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if (channels == 4) {
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format = QImage::Format_ARGB32;
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fcn = copyLineARGB32;
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} else if (channels == 3) {
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format = QImage::Format_RGB32;
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fcn = copyLineRGB32;
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}
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}
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if (format == QImage::Format_Invalid) {
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kWarning() << "Unsupported image format (hasAlpha:" << hasAlpha << "bitsPerSample:" << bitsPerSample << "channels:" << channels << ")";
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return QImage();
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}
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QImage image(width, height, format);
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const char* ptr = pixels.constData();
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const char* end = ptr + pixels.length();
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for (int y=0; y<height; ++y, ptr += rowStride) {
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if (ptr + channels * width > end) {
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kWarning() << "Image data is incomplete. y:" << y << "height:" << height;
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break;
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}
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fcn((QRgb*)image.scanLine(y), ptr, width);
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}
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return image;
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}
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static QString findImageForSpecImagePath(const QString &_path)
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{
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QString path = _path;
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if (path.startsWith(QLatin1String("file:"))) {
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KUrl url(path);
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path = url.toLocalFile();
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}
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return KIconLoader::global()->iconPath(path, -KIconLoader::SizeHuge,
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true /* canReturnNull */);
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}
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uint NotificationsEngine::Notify(const QString &app_name, uint replaces_id,
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const QString &app_icon, const QString &summary, const QString &body,
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const QStringList &actions, const QVariantMap &hints, int timeout)
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{
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uint id = 0;
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id = replaces_id ? replaces_id : m_nextId++;
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QString appname_str = app_name;
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if (appname_str.isEmpty()) {
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appname_str = i18n("Unknown Application");
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}
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if (timeout == -1) {
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const int AVERAGE_WORD_LENGTH = 6;
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const int WORD_PER_MINUTE = 250;
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int count = summary.length() + body.length();
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timeout = 60000 * count / AVERAGE_WORD_LENGTH / WORD_PER_MINUTE;
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// Add two seconds for the user to notice the notification, and ensure
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// it last at least five seconds, otherwise all the user see is a
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// flash
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timeout = 2000 + qMax(timeout, 3000);
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}
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const QString source = QString("notification %1").arg(id);
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if (replaces_id) {
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Plasma::DataContainer *container = containerForSource(source);
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if (container && container->data()["expireTimeout"].toInt() != timeout) {
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int timerId = m_sourceTimers.value(source);
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killTimer(timerId);
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m_sourceTimers.remove(source);
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m_timeouts.remove(timerId);
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}
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}
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Plasma::DataEngine::Data notificationData;
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notificationData.insert("id", QString::number(id));
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notificationData.insert("appName", appname_str);
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notificationData.insert("appIcon", app_icon);
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notificationData.insert("summary", summary);
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notificationData.insert("body", body);
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notificationData.insert("actions", actions);
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notificationData.insert("expireTimeout", timeout);
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QString appRealName;
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bool configurable = false;
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if (hints.contains("x-kde-appname")) {
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appRealName = hints["x-kde-appname"].toString();
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configurable = true;
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}
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notificationData.insert("appRealName", appRealName);
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notificationData.insert("configurable", configurable);
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QImage image;
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if (hints.contains("image_data")) { // v1.1
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QDBusArgument arg = hints["image_data"].value<QDBusArgument>();
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image = decodeNotificationSpecImageHint(arg);
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} else if (hints.contains("image-data")) { // v1.2
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QDBusArgument arg = hints["image-data"].value<QDBusArgument>();
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image = decodeNotificationSpecImageHint(arg);
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} else if (hints.contains("image_path")) { // v1.1
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QString path = findImageForSpecImagePath(hints["image_path"].toString());
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if (!path.isEmpty()) {
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image.load(path);
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}
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} else if (hints.contains("image-path")) { // v1.2
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QString path = findImageForSpecImagePath(hints["image-path"].toString());
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if (!path.isEmpty()) {
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image.load(path);
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}
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} else if (hints.contains("icon_data")) { // v1.0
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QDBusArgument arg = hints["icon_data"].value<QDBusArgument>();
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image = decodeNotificationSpecImageHint(arg);
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}
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notificationData.insert("image", image);
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if (hints.contains("urgency")) {
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notificationData.insert("urgency", hints["urgency"].toInt());
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}
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setData(source, notificationData);
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if (timeout) {
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int timerId = startTimer(timeout);
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m_sourceTimers.insert(source, timerId);
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m_timeouts.insert(timerId, source);
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}
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return id;
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}
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void NotificationsEngine::timerEvent(QTimerEvent *event)
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{
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const QString source = m_timeouts.value(event->timerId());
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if (!source.isEmpty()) {
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killTimer(event->timerId());
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m_sourceTimers.remove(source);
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m_timeouts.remove(event->timerId());
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removeSource(source);
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emit NotificationClosed(source.split(" ").last().toInt(), 1);
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return;
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}
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Plasma::DataEngine::timerEvent(event);
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}
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void NotificationsEngine::CloseNotification(uint id)
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{
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removeSource(QString("notification %1").arg(id));
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emit NotificationClosed(id, 3);
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}
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void NotificationsEngine::userClosedNotification(uint id)
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{
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removeSource(QString("notification %1").arg(id));
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emit NotificationClosed(id, 2);
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}
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Plasma::Service* NotificationsEngine::serviceForSource(const QString& source)
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{
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return new NotificationService(this, source);
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}
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QStringList NotificationsEngine::GetCapabilities()
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{
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return QStringList()
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<< "body"
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<< "body-hyperlinks"
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<< "body-markup"
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<< "icon-static"
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<< "actions"
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;
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}
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// FIXME: Signature is ugly
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QString NotificationsEngine::GetServerInformation(QString& vendor, QString& version, QString& specVersion)
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{
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vendor = "KDE";
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version = KDE_VERSION_STRING;
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specVersion = "1.2";
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return "Plasma";
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}
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int NotificationsEngine::createNotification(const QString &appName, const QString &appIcon, const QString &summary, const QString &body, int timeout, bool configurable, const QString &appRealName)
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{
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const QString source = QString("notification %1").arg(++m_nextId);
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Plasma::DataEngine::Data notificationData;
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notificationData.insert("id", QString::number(m_nextId));
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notificationData.insert("appName", appName);
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notificationData.insert("appIcon", appIcon);
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notificationData.insert("summary", summary);
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notificationData.insert("body", body);
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notificationData.insert("expireTimeout", timeout);
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notificationData.insert("configurable", configurable);
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notificationData.insert("appRealName", appRealName);
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setData(source, notificationData);
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return m_nextId;
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}
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void NotificationsEngine::configureNotification(const QString &appName)
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{
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KNotifyConfigWidget::configure(0, appName);
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}
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K_EXPORT_PLASMA_DATAENGINE(notifications, NotificationsEngine)
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#include "moc_notificationsengine.cpp"
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