Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 159 insertions, 0 deletions

diff --git a/knewsticker/common/newsiconmgr.cpp b/knewsticker/common/newsiconmgr.cpp
new file mode 100644
index 00000000..69617490
--- /dev/null
+++ b/knewsticker/common/newsiconmgr.cpp
@@ -0,0 +1,159 @@
+/*
+ * newsiconmgr.cpp
+ *
+ * Copyright (c) 2001 Frerich Raabe <[email protected]>
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. For licensing and distribution details, check the
+ * accompanying file 'COPYING'.
+ */
+#include "newsiconmgr.h"
+
+#include <dcopclient.h>
+
+#include <kapplication.h>
+#include <kiconloader.h>
+#include <kstandarddirs.h>
+
+#include <qbuffer.h>
+#include <qfile.h>
+#include <qimage.h>
+
+struct KIODownload
+{
+	KURL       url;
+	QByteArray data;
+	QIODevice::Offset dataOffset;
+};
+
+NewsIconMgr *NewsIconMgr::m_instance = 0;
+
+NewsIconMgr *NewsIconMgr::self()
+{
+	if (!m_instance)
+		m_instance = new NewsIconMgr();
+
+	return m_instance;
+}
+
+NewsIconMgr::NewsIconMgr(QObject *parent, const char *name)
+	: QObject(parent, name), DCOPObject("NewsIconMgr"),
+	m_stdIcon(SmallIcon(QString::fromLatin1("news")))
+{
+	connectDCOPSignal("kded",
+			"favicons", "iconChanged(bool, QString, QString)",
+			"slotGotIcon(bool, QString, QString)",
+			false);
+}
+
+NewsIconMgr::~NewsIconMgr()
+{
+	delete m_instance;
+}
+
+void NewsIconMgr::getIcon(const KURL &url)
+{
+	if (url.isEmpty()) {
+		emit gotIcon(url, m_stdIcon);
+		return;
+	}
+
+	if (url.isLocalFile()) {
+		if (QFile::exists(url.encodedPathAndQuery())) {
+			QPixmap icon(url.encodedPathAndQuery());
+			if (!icon.isNull()) {
+				if (icon.size() != QSize(16, 16)) {
+					if (!icon.convertFromImage(icon.convertToImage().smoothScale(16, 16, QImage::ScaleMin))) {
+						emit gotIcon(url, m_stdIcon);
+						return;
+					}
+				}
+				emit gotIcon(url, icon);
+				return;
+			}
+		}
+		emit gotIcon(url, m_stdIcon);
+		return;
+	}
+
+	if (url.encodedPathAndQuery() == "/favicon.ico") {
+		if (favicon(url).isNull()) {
+			QByteArray data;
+			QDataStream ds(data, IO_WriteOnly);
+			ds << url;
+			kapp->dcopClient()->send("kded", "favicons", "downloadHostIcon(KURL)", data);
+		} else {
+			emit gotIcon(url, QPixmap(KGlobal::dirs()->findResource("cache",
+							QString::fromLatin1("favicons/%1.png").arg(url.host()))));
+		}
+	} else {
+		KIO::Job *job = KIO::get(url, true, false);
+		connect(job, SIGNAL(data(KIO::Job *, const QByteArray &)),
+				SLOT(slotData(KIO::Job *, const QByteArray &)));
+		connect(job, SIGNAL(result(KIO::Job *)), SLOT(slotResult(KIO::Job *)));
+		
+		KIODownload download;
+		download.url = url;
+		download.dataOffset = 0;
+		m_kioDownload.insert(job, download);
+	}
+}
+
+bool NewsIconMgr::isStdIcon(const QPixmap &pixmap) const
+{
+	if (!pixmap.isNull())
+		return pixmap.convertToImage() == m_stdIcon.convertToImage();
+	else
+		return false;
+}
+
+void NewsIconMgr::slotData(KIO::Job *job, const QByteArray &data)
+{
+	QBuffer buf(m_kioDownload[job].data);
+	buf.open(IO_WriteOnly);
+	buf.at(m_kioDownload[job].dataOffset);
+	buf.writeBlock(data);
+	m_kioDownload[job].dataOffset = buf.at();
+}
+
+void NewsIconMgr::slotResult(KIO::Job *job)
+{
+	emit gotIcon(m_kioDownload[job].url, QPixmap(m_kioDownload[job].data));
+	m_kioDownload.remove(job);
+}
+
+void NewsIconMgr::slotGotIcon(bool isHost, QString hostOrURL, QString iconName)
+{
+	KURL url = KURL(hostOrURL);
+	if (!isHost)
+		url.setProtocol(QString::fromLatin1("http"));
+	
+	if (iconName.isNull())
+		emit gotIcon(url, m_stdIcon);
+	else
+		emit gotIcon(url, QPixmap(KGlobal::dirs()->findResource("cache",
+						QString::fromLatin1("favicons/%1.png").arg(url.host()))));
+}
+
+QString NewsIconMgr::favicon(const KURL &url) const
+{
+	QByteArray data, reply;
+	QCString replyType;
+	QDataStream ds(data, IO_WriteOnly);
+
+	ds << url;
+	
+	kapp->dcopClient()->call("kded", "favicons", "iconForURL(KURL)", data, replyType, reply);
+	
+	if (replyType == "QString") {
+		QDataStream replyStream(reply, IO_ReadOnly);
+		QString result;
+		replyStream >> result;
+		return result;
+	}
+	
+	return QString::null;
+}
+
+#include "newsiconmgr.moc"