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-rw-r--r--tdecore/knotifyclient.cpp363
1 files changed, 363 insertions, 0 deletions
diff --git a/tdecore/knotifyclient.cpp b/tdecore/knotifyclient.cpp
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+++ b/tdecore/knotifyclient.cpp
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+/* This file is part of the KDE libraries
+ Copyright (C) 2000 Charles Samuels <charles@altair.dhs.org>
+ 2000 Malte Starostik <starosti@zedat.fu-berlin.de>
+ 2000,2003 Carsten Pfeiffer <pfeiffer@kde.org>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License version 2 as published by the Free Software Foundation.
+
+ This library 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. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#include "knotifyclient.h"
+
+#include <tqdatastream.h>
+#include <tqptrstack.h>
+
+#include <kapplication.h>
+#include <kstandarddirs.h>
+#include <kapplication.h>
+#include <kconfig.h>
+#include <dcopclient.h>
+#include <kdebug.h>
+#include <kstaticdeleter.h>
+
+static const char daemonName[] = "knotify";
+
+static bool canAvoidStartupEvent( const TQString& event, const TQString& appname, int present )
+{
+ static bool checkAvoid = true;
+ if( !checkAvoid )
+ return false;
+ if(( appname != "kwin" && appname != "ksmserver" ) || present > 0 ) {
+ checkAvoid = false;
+ return false;
+ }
+ // startkde event is in global events file
+ static KConfig* configfile = appname != "ksmserver"
+ ? new KConfig( appname + ".eventsrc", true, false )
+ : new KConfig( "knotify.eventsrc", true, false );
+ static KConfig* eventsfile = appname != "ksmserver"
+ ? new KConfig( appname + "/eventsrc", true, false, "data" )
+ : new KConfig( "knotify/eventsrc", true, false, "data" );
+ configfile->setGroup( event );
+ eventsfile->setGroup( event );
+ int ev1 = configfile->readNumEntry( "presentation", -2 );
+ int ev2 = eventsfile->readNumEntry( "default_presentation", -2 );
+ if(( ev1 == -2 && ev2 == -2 ) // unknown
+ || ev1 > 0 // configured to have presentation
+ || ( ev1 == -2 && ev2 > 0 )) { // not configured, has default presentation
+ checkAvoid = false;
+ return false;
+ }
+ return true;
+}
+
+static int sendNotifyEvent(const TQString &message, const TQString &text,
+ int present, int level, const TQString &sound,
+ const TQString &file, int winId )
+{
+ if (!kapp) return 0;
+
+ DCOPClient *client=kapp->dcopClient();
+ if (!client->isAttached())
+ {
+ client->attach();
+ if (!client->isAttached())
+ return 0;
+ }
+
+ TQString appname = KNotifyClient::instance()->instanceName();
+
+ if( canAvoidStartupEvent( message, appname, present ))
+ return -1; // done "successfully" - there will be no event presentation
+
+ int uniqueId = kMax( 1, kapp->random() ); // must not be 0 -- means failure!
+
+ // knotify daemon needs toplevel window
+ TQWidget* widget = TQT_TQWIDGET(TQWidget::find( (WId)winId ));
+ if( widget )
+ winId = (int)widget->tqtopLevelWidget()->winId();
+
+ TQByteArray data;
+ TQDataStream ds(data, IO_WriteOnly);
+ ds << message << appname << text << sound << file << present << level
+ << winId << uniqueId;
+
+ if ( !KNotifyClient::startDaemon() )
+ return 0;
+
+ if ( client->send(daemonName, "Notify", "notify(TQString,TQString,TQString,TQString,TQString,int,int,int,int)", data) )
+ {
+ return uniqueId;
+ }
+
+ return 0;
+}
+
+int KNotifyClient::event( StandardEvent type, const TQString& text )
+{
+ return event( 0, type, text );
+}
+
+int KNotifyClient::event(const TQString &message, const TQString &text)
+{
+ return event(0, message, text);
+}
+
+int KNotifyClient::userEvent(const TQString &text, int present, int level,
+ const TQString &sound, const TQString &file)
+{
+ return userEvent( 0, text, present, level, sound, file );
+}
+
+
+int KNotifyClient::event( int winId, StandardEvent type, const TQString& text )
+{
+ TQString message;
+ switch ( type ) {
+ case cannotOpenFile:
+ message = TQString::tqfromLatin1("cannotopenfile");
+ break;
+ case warning:
+ message = TQString::tqfromLatin1("warning");
+ break;
+ case fatalError:
+ message = TQString::tqfromLatin1("fatalerror");
+ break;
+ case catastrophe:
+ message = TQString::tqfromLatin1("catastrophe");
+ break;
+ case notification: // fall through
+ default:
+ message = TQString::tqfromLatin1("notification");
+ break;
+ }
+
+ return sendNotifyEvent( message, text, Default, Default,
+ TQString::null, TQString::null, winId );
+}
+
+int KNotifyClient::event(int winId, const TQString &message,
+ const TQString &text)
+{
+ return sendNotifyEvent(message, text, Default, Default, TQString::null, TQString::null, winId);
+}
+
+int KNotifyClient::userEvent(int winId, const TQString &text, int present,
+ int level,
+ const TQString &sound, const TQString &file)
+{
+ return sendNotifyEvent(TQString::null, text, present, level, sound, file, winId);
+}
+
+int KNotifyClient::getPresentation(const TQString &eventname)
+{
+ int present;
+ if (eventname.isEmpty()) return Default;
+
+ KConfig eventsfile( KNotifyClient::instance()->instanceName()+".eventsrc", true, false);
+ eventsfile.setGroup(eventname);
+
+ present=eventsfile.readNumEntry("presentation", -1);
+
+ return present;
+}
+
+TQString KNotifyClient::getFile(const TQString &eventname, int present)
+{
+ if (eventname.isEmpty()) return TQString::null;
+
+ KConfig eventsfile( KNotifyClient::instance()->instanceName()+".eventsrc", true, false);
+ eventsfile.setGroup(eventname);
+
+ switch (present)
+ {
+ case (Sound):
+ return eventsfile.readPathEntry("soundfile");
+ case (Logfile):
+ return eventsfile.readPathEntry("logfile");
+ }
+
+ return TQString::null;
+}
+
+int KNotifyClient::getDefaultPresentation(const TQString &eventname)
+{
+ int present;
+ if (eventname.isEmpty()) return Default;
+
+ KConfig eventsfile( KNotifyClient::instance()->instanceName()+"/eventsrc", true, false, "data");
+ eventsfile.setGroup(eventname);
+
+ present=eventsfile.readNumEntry("default_presentation", -1);
+
+ return present;
+}
+
+TQString KNotifyClient::getDefaultFile(const TQString &eventname, int present)
+{
+ if (eventname.isEmpty()) return TQString::null;
+
+ KConfig eventsfile( KNotifyClient::instance()->instanceName()+"/eventsrc", true, false, "data");
+ eventsfile.setGroup(eventname);
+
+ switch (present)
+ {
+ case (Sound):
+ return eventsfile.readPathEntry("default_sound");
+ case (Logfile):
+ return eventsfile.readPathEntry("default_logfile");
+ }
+
+ return TQString::null;
+}
+
+bool KNotifyClient::startDaemon()
+{
+ static bool firstTry = true;
+ if (!kapp->dcopClient()->isApplicationRegistered(daemonName)) {
+ if( firstTry ) {
+ firstTry = false;
+ return KApplication::startServiceByDesktopName(daemonName) == 0;
+ }
+ return false;
+ }
+ return true;
+}
+
+
+void KNotifyClient::beep(const TQString& reason)
+{
+ if ( !kapp || KNotifyClient::Instance::currentInstance()->useSystemBell() ) {
+ TQApplication::beep();
+ return;
+ }
+
+ DCOPClient *client=kapp->dcopClient();
+ if (!client->isAttached())
+ {
+ client->attach();
+ if (!client->isAttached() || !client->isApplicationRegistered(daemonName))
+ {
+ TQApplication::beep();
+ return;
+ }
+ }
+ // The kaccess daemon handles visual and other audible beeps
+ if ( client->isApplicationRegistered( "kaccess" ) )
+ {
+ TQApplication::beep();
+ return;
+ }
+
+ KNotifyClient::event(KNotifyClient::notification, reason);
+}
+
+
+KInstance * KNotifyClient::instance() {
+ return KNotifyClient::Instance::current();
+}
+
+
+class KNotifyClient::InstanceStack
+{
+public:
+ InstanceStack() { m_defaultInstance = 0; }
+ virtual ~InstanceStack() { delete m_defaultInstance; }
+ void push(Instance *instance) { m_instances.push(instance); }
+
+ void pop(Instance *instance)
+ {
+ if (m_instances.top() == instance)
+ m_instances.pop();
+ else if (!m_instances.isEmpty())
+ {
+ kdWarning(160) << "Tried to remove an Instance that is not the current," << endl;
+ kdWarning(160) << "Resetting to the main KApplication." << endl;
+ m_instances.clear();
+ }
+ else
+ kdWarning(160) << "Tried to remove an Instance, but the stack was empty." << endl;
+ }
+
+ Instance *currentInstance()
+ {
+ if (m_instances.isEmpty())
+ {
+ m_defaultInstance = new Instance(kapp);
+ }
+ return m_instances.top();
+ }
+
+private:
+ TQPtrStack<Instance> m_instances;
+ Instance *m_defaultInstance;
+};
+
+KNotifyClient::InstanceStack * KNotifyClient::Instance::s_instances = 0L;
+static KStaticDeleter<KNotifyClient::InstanceStack > instancesDeleter;
+
+struct KNotifyClient::InstancePrivate
+{
+ KInstance *instance;
+ bool useSystemBell;
+};
+
+KNotifyClient::Instance::Instance(KInstance *instance)
+{
+ d = new InstancePrivate;
+ d->instance = instance;
+ instances()->push(this);
+
+ KConfig *config = instance->config();
+ KConfigGroupSaver cs( config, "General" );
+ d->useSystemBell = config->readBoolEntry( "UseSystemBell", false );
+}
+
+KNotifyClient::Instance::~Instance()
+{
+ if (s_instances)
+ s_instances->pop(this);
+ delete d;
+}
+
+KNotifyClient::InstanceStack *KNotifyClient::Instance::instances()
+{
+ if (!s_instances)
+ instancesDeleter.setObject(s_instances, new InstanceStack);
+ return s_instances;
+}
+
+bool KNotifyClient::Instance::useSystemBell() const
+{
+ return d->useSystemBell;
+}
+
+
+// static methods
+
+// We always return a valid KNotifyClient::Instance here. If no special one
+// is available, we have a default-instance with kapp as KInstance.
+// We make sure to always have that default-instance in the stack, because
+// the stack might have gotten cleared in the destructor.
+// We can't use QStack::setAutoDelete( true ), because no instance besides
+// our default instance is owned by us.
+KNotifyClient::Instance * KNotifyClient::Instance::currentInstance()
+{
+ return instances()->currentInstance();
+}
+
+KInstance *KNotifyClient::Instance::current()
+{
+ return currentInstance()->d->instance;
+}