added methods to check if a certain application is available

2 files changed, 144 insertions, 3 deletions

diff --git a/libkdepim/externalapphandler.cpp b/libkdepim/externalapphandler.cpp
index 0128cf7..5a56d68 100644
--- a/libkdepim/externalapphandler.cpp
+++ b/libkdepim/externalapphandler.cpp
@@ -21,512 +21,634 @@
     without including the source code for Qt in the source distribution.
 */
 
 /*
 Enhanced Version of the file for platform independent KDE tools.
 Copyright (c) 2004 Ulf Schenk
 
 $Id$
 */
 #include <stdlib.h>
 
 #include <qfile.h>
 #include <qmap.h>
 #include <qregexp.h>
 
 #ifndef DESKTOP_VERSION
 #include <qtopia/qcopenvelope_qws.h>
 #endif
 
 #include <kstaticdeleter.h>
 #include <kmessagebox.h>
 
 
 #include "externalapphandler.h"
 
 #include "kpimglobalprefs.h"
 
 
 
 
 
 
 
 ExternalAppHandler *ExternalAppHandler::sInstance = 0;
 static KStaticDeleter<ExternalAppHandler> staticDeleter;
 
 
 ExternalAppHandler::ExternalAppHandler()
 {
   mDefaultItems.setAutoDelete(true);
 }
 
 ExternalAppHandler::~ExternalAppHandler()
 {
 }
 
 void ExternalAppHandler::loadConfig()
 {
+
   mDefaultItems.clear();
 
+  mEmailAppAvailable = UNDEFINED;
+  mPhoneAppAvailable = UNDEFINED;
+  mFaxAppAvailable = UNDEFINED;
+  mSMSAppAvailable = UNDEFINED;
+  mPagerAppAvailable = UNDEFINED;
 
 
   QString opiepath = QString::fromLatin1( getenv("OPIEDIR") );
   QString qtopiapath = QString::fromLatin1( getenv("QPEDIR") );
 
   if (opiepath.isEmpty())
     opiepath = qtopiapath;
 
   //mailclients
   QString mailmsg1 = "writeMail(QString,QString)";
   QString mailmsg2 = "writeMail(QMap(QString,QString))";
 
-  QString undefined = "undefined";
+  QString undefined = "";
 
   addDefaultAppItem(ExternalAppHandler::EMAIL, KPimGlobalPrefs::NONE_EMC,   "No email client installed",       undefined,                undefined,        undefined, undefined, undefined);
   addDefaultAppItem(ExternalAppHandler::EMAIL, KPimGlobalPrefs::OTHER_EMC,  "Userdefined email client",       undefined,                undefined,        undefined, undefined, undefined);
 
   if (( QFile::exists( qtopiapath + "/bin/ompi" )) ||
      ( QFile::exists( opiepath + "/bin/ompi" )))
     addDefaultAppItem(ExternalAppHandler::EMAIL, KPimGlobalPrefs::OMPI_EMC,   "OM/Pi email client",       "QPE/Application/ompi",     "newMail(QString)", "%1",        mailmsg2,    "ATTACHMENT=%1");
 
   if ( QFile::exists( qtopiapath + "/bin/qtmail" ))
     addDefaultAppItem(ExternalAppHandler::EMAIL, KPimGlobalPrefs::QTOPIA_EMC, "Qtopia email client", "QPE/Application/qtmail",   mailmsg1,           ";%1",       mailmsg2,    "ATTACHMENT=%1");
 
   if ( QFile::exists( opiepath + "/bin/opiemail" ))
     addDefaultAppItem(ExternalAppHandler::EMAIL, KPimGlobalPrefs::OPIE_EMC,   "Opie email client",   "QPE/Application/opiemail", mailmsg1,           ";%1",       mailmsg2,    "ATTACHMENT=%1");
 
 
 
   //phoneclients
 
   addDefaultAppItem(ExternalAppHandler::PHONE, KPimGlobalPrefs::NONE_PHC,  "No phone client installed",       undefined,            undefined, undefined, undefined, undefined);
   addDefaultAppItem(ExternalAppHandler::PHONE, KPimGlobalPrefs::OTHER_PHC,  "Other phone client",       undefined,            undefined, undefined, undefined, undefined);
   if (( QFile::exists( qtopiapath + "/bin/kppi" )) ||
      ( QFile::exists( opiepath + "/bin/kppi" )))
     addDefaultAppItem(ExternalAppHandler::PHONE, KPimGlobalPrefs::KPPI_PHC,   "KP/Pi phone client",       "QPE/Application/kppi", "-ring:%1", "", undefined, undefined);
 
   //faxclients
   addDefaultAppItem(ExternalAppHandler::FAX,   KPimGlobalPrefs::NONE_FAC,  "No fax client installed",       undefined,            undefined, undefined, undefined, undefined);
   addDefaultAppItem(ExternalAppHandler::FAX,   KPimGlobalPrefs::OTHER_FAC,  "Other fax client",       undefined,            undefined, undefined, undefined, undefined);
 
   //smsclients
   addDefaultAppItem(ExternalAppHandler::SMS,   KPimGlobalPrefs::NONE_SMC,  "No sms client installed",       undefined,            undefined, undefined, undefined, undefined);
   addDefaultAppItem(ExternalAppHandler::SMS,   KPimGlobalPrefs::OTHER_SMC,  "Other sms client",       undefined,            undefined, undefined, undefined, undefined);
 
   //pagerclients
   addDefaultAppItem(ExternalAppHandler::PAGER, KPimGlobalPrefs::NONE_PAC,  "No pager client installed",       undefined,            undefined, undefined, undefined, undefined);
   addDefaultAppItem(ExternalAppHandler::PAGER, KPimGlobalPrefs::OTHER_PAC,  "Other pager client",       undefined,            undefined, undefined, undefined, undefined);
 
 }
 
 ExternalAppHandler *ExternalAppHandler::instance()
 {
   if ( !sInstance ) {
     sInstance = staticDeleter.setObject( new ExternalAppHandler() );
     sInstance->loadConfig();
   }
 
   return sInstance;
 }
 
 void ExternalAppHandler::addDefaultAppItem(Types type, int id, const QString& label,  const QString& channel, const QString& message, const QString& parameter, const QString& message2, const QString& parameter2)
 {
   DefaultAppItem* dai = new DefaultAppItem(type, id, label,  channel, message, parameter, message2, parameter2);
 
   mDefaultItems.append(dai);
 }
 
 
 QList<DefaultAppItem> ExternalAppHandler::getAvailableDefaultItems(Types type)
 {
   QList<DefaultAppItem> list;
 
   DefaultAppItem* dai;
 
   for ( dai=mDefaultItems.first(); dai != 0; dai=mDefaultItems.next() )
   {
     if (dai->_type == type)
       list.append(dai);
   }
 
   return list;
 }
 
 DefaultAppItem* ExternalAppHandler::getDefaultItem(Types type, int clientid)
 {
   DefaultAppItem* dai;
 
   for ( dai=mDefaultItems.first(); dai != 0; dai=mDefaultItems.next() )
   {
     if (dai->_type == type && dai->_id == clientid)
       return dai;
   }
 
   return 0;
 }
 
+bool ExternalAppHandler::isEmailAppAvailable()
+{
+#ifndef DESKTOP_VERSION
+  if (mEmailAppAvailable == UNDEFINED)
+  {
+    int client = KPimGlobalPrefs::instance()->mEmailClient;
+    if (client == KPimGlobalPrefs::NONE_EMC)
+      mEmailAppAvailable = UNAVAILABLE;
+    else
+      mEmailAppAvailable = AVAILABLE;
+  }
+  return (mEmailAppAvailable == AVAILABLE);
+
+#else //DESKTOP_VERSION
+  return false;
+#endif //DESKTOP_VERSION
+}
+
+bool ExternalAppHandler::isSMSAppAvailable()
+{
+#ifndef DESKTOP_VERSION
+  if (mSMSAppAvailable == UNDEFINED)
+  {
+    int client = KPimGlobalPrefs::instance()->mSMSClient;
+    if (client == KPimGlobalPrefs::NONE_SMC)
+      mSMSAppAvailable = UNAVAILABLE;
+    else
+      mSMSAppAvailable = AVAILABLE;
+  }
+
+  return (mSMSAppAvailable == AVAILABLE);
+#else //DESKTOP_VERSION
+  return false;
+#endif //DESKTOP_VERSION
+}
+
+bool ExternalAppHandler::isPhoneAppAvailable()
+{
+#ifndef DESKTOP_VERSION
+  if (mPhoneAppAvailable == UNDEFINED)
+  {
+    int client = KPimGlobalPrefs::instance()->mPhoneClient;
+    if (client == KPimGlobalPrefs::NONE_PHC)
+      mPhoneAppAvailable = UNAVAILABLE;
+    else
+      mPhoneAppAvailable = AVAILABLE;
+  }
+
+  return (mPhoneAppAvailable == AVAILABLE);
+#else //DESKTOP_VERSION
+  return false;
+#endif //DESKTOP_VERSION
+}
+
+bool ExternalAppHandler::isFaxAppAvailable()
+{
+#ifndef DESKTOP_VERSION
+  if (mFaxAppAvailable == UNDEFINED)
+  {
+    int client = KPimGlobalPrefs::instance()->mFaxClient;
+    if (client == KPimGlobalPrefs::NONE_FAC)
+      mFaxAppAvailable = UNAVAILABLE;
+    else
+      mFaxAppAvailable = AVAILABLE;
+  }
+
+  return (mFaxAppAvailable == AVAILABLE);
+#else //DESKTOP_VERSION
+  return false;
+#endif //DESKTOP_VERSION
+}
+
+bool ExternalAppHandler::isPagerAppAvailable()
+{
+#ifndef DESKTOP_VERSION
+  if (mPagerAppAvailable == UNDEFINED)
+  {
+    int client = KPimGlobalPrefs::instance()->mPagerClient;
+    if (client == KPimGlobalPrefs::NONE_PAC)
+      mPagerAppAvailable = UNAVAILABLE;
+    else
+      mPagerAppAvailable = AVAILABLE;
+  }
+
+  return (mPagerAppAvailable == AVAILABLE);
+#else //DESKTOP_VERSION
+  return false;
+#endif //DESKTOP_VERSION
+}
+
+/**************************************************************************
+ *
+ **************************************************************************/
 
 
 //calls the emailapplication with a number of attachments that need to be send (Seperated by Comma)
 bool ExternalAppHandler::mailAttachments( const QString& urls )
 {
 
 #ifndef DESKTOP_VERSION 
   QString channel;
   QString message2;
   QString parameters2;
 
 
   int client = KPimGlobalPrefs::instance()->mEmailClient;
   if (client == KPimGlobalPrefs::OTHER_EMC)
   {
     channel = KPimGlobalPrefs::instance()->mEmailOtherChannel;
     message2 = KPimGlobalPrefs::instance()->mEmailOtherMessage;
     parameters2 = KPimGlobalPrefs::instance()->mEmailOtherMessageParameters;
   }
   else
   {
     DefaultAppItem* dai = getDefaultItem(EMAIL, client);
     if (!dai)
     {
       qDebug("could not find configured email application.");
           return false;
     }
     channel = dai->_channel;
     message2 = dai->_message2;
     parameters2 = dai->_parameters2;
   }
 
 
   qDebug("Using QCopEnvelope e(\"%s\",\"%s\")", channel.latin1(), message2.latin1());
   qDebug("passing attachmenturls:(%s) as parameter in the form %s to QCopEnvelope", urls.latin1(), parameters2.latin1());
 
 
   QCopEnvelope e(channel.latin1(), message2.latin1());
     //US we need no names in the To field. The emailadresses are enough
 
   passParameter(&e, parameters2, urls);
 
 
 
 #else
   KMessageBox::sorry( 0, i18n( "This version does not support the sending of emails." ) );
 #endif
 
   return true;
 }
 
+/**************************************************************************
+ *
+ **************************************************************************/
 
 
 //calls the emailapplication and creates a mail with parameter emails as recipients
 bool ExternalAppHandler::mailToContacts( const QString& emails )
 {
 #ifndef DESKTOP_VERSION 
   QString channel;
   QString message;
   QString parameters;
 
 
   int client = KPimGlobalPrefs::instance()->mEmailClient;
   if (client == KPimGlobalPrefs::OTHER_EMC)
   {
     channel = KPimGlobalPrefs::instance()->mEmailOtherChannel;
     message = KPimGlobalPrefs::instance()->mEmailOtherMessage;
     parameters = KPimGlobalPrefs::instance()->mEmailOtherMessageParameters;
   }
   else
   {
     DefaultAppItem* dai = ExternalAppHandler::getDefaultItem(EMAIL, client);
     if (!dai)
     {
       qDebug("could not find configured email application.");
           return false;
     }
     channel = dai->_channel;
     message = dai->_message;
     parameters = dai->_parameters;
   }
 
 
   //first check if one of the mailers need the emails right in the message.
   message = translateMessage(message, emails);
 
 
   qDebug("Using QCopEnvelope e(\"%s\",\"%s\")", channel.latin1(), message.latin1());
   qDebug("passing emailadresses:(%s) as parameter in the form %s to QCopEnvelope", emails.latin1(), parameters.latin1());
 
   QCopEnvelope e(channel.latin1(), message.latin1());
     //US we need no names in the To field. The emailadresses are enough
 
   passParameter(&e, parameters, emails);
 
 
 #else
   KMessageBox::sorry( 0, i18n( "This version does not support the sending of emails." ) );
 #endif
 
 
   return true;
 }
 
+/**************************************************************************
+ *
+ **************************************************************************/
 
 //calls the phoneapplication with the number
 bool ExternalAppHandler::callByPhone( const QString& phonenumber )
 {
 #ifndef DESKTOP_VERSION 
   QString channel;
   QString message;
   QString parameters;
 
 
   int client = KPimGlobalPrefs::instance()->mPhoneClient;
   if (client == KPimGlobalPrefs::OTHER_PHC)
   {
     channel = KPimGlobalPrefs::instance()->mPhoneOtherChannel;
     message = KPimGlobalPrefs::instance()->mPhoneOtherMessage;
     parameters = KPimGlobalPrefs::instance()->mPhoneOtherMessageParameters;
   }
   else
   {
     DefaultAppItem* dai = ExternalAppHandler::getDefaultItem(PHONE, client);
     if (!dai)
     {
       qDebug("could not find configured phone application.");
           return false;
     }
     channel = dai->_channel;
     message = dai->_message;
     parameters = dai->_parameters;
   }
 
 
   //first check if one of the mailers need the emails right in the message.
   message = translateMessage(message, phonenumber);
 
 
   qDebug("Using QCopEnvelope e(\"%s\",\"%s\")", channel.latin1(), message.latin1());
   qDebug("passing phonenumber:(%s) as parameter in the form %s to QCopEnvelope", phonenumber.latin1(), parameters.latin1());
 
   QCopEnvelope e(channel.latin1(), message.latin1());
     //US we need no names in the To field. The emailadresses are enough
 
   passParameter(&e, parameters, phonenumber);
 
 
 #else
   KMessageBox::sorry( 0, i18n( "This version does not support phonecalls." ) );
 #endif
 
 
   return true;
 }
 
+/**************************************************************************
+ *
+ **************************************************************************/
+
 //calls the smsapplication with the number
 bool ExternalAppHandler::callBySMS( const QString& phonenumber )
 {
 #ifndef DESKTOP_VERSION 
   QString channel;
   QString message;
   QString parameters;
 
 
   int client = KPimGlobalPrefs::instance()->mSMSClient;
   if (client == KPimGlobalPrefs::OTHER_SMC)
   {
     channel = KPimGlobalPrefs::instance()->mSMSOtherChannel;
     message = KPimGlobalPrefs::instance()->mSMSOtherMessage;
     parameters = KPimGlobalPrefs::instance()->mSMSOtherMessageParameters;
   }
   else
   {
     DefaultAppItem* dai = ExternalAppHandler::getDefaultItem(SMS, client);
     if (!dai)
     {
       qDebug("could not find configured sms application.");
           return false;
     }
     channel = dai->_channel;
     message = dai->_message;
     parameters = dai->_parameters;
   }
 
 
   //first check if one of the mailers need the emails right in the message.
   message = translateMessage(message, phonenumber);
 
 
   qDebug("Using QCopEnvelope e(\"%s\",\"%s\")", channel.latin1(), message.latin1());
   qDebug("passing phonenumber:(%s) as parameter in the form %s to QCopEnvelope", phonenumber.latin1(), parameters.latin1());
 
   QCopEnvelope e(channel.latin1(), message.latin1());
     //US we need no names in the To field. The emailadresses are enough
 
   passParameter(&e, parameters, phonenumber);
 
 
 #else
   KMessageBox::sorry( 0, i18n( "This version does not support the sending of sms." ) );
 #endif
 
 
   return true;
 }
 
+/**************************************************************************
+ *
+ **************************************************************************/
+
 //calls the pagerapplication with the number
 bool ExternalAppHandler::callByPager( const QString& pagernumber )
 {
 #ifndef DESKTOP_VERSION 
   QString channel;
   QString message;
   QString parameters;
 
 
   int client = KPimGlobalPrefs::instance()->mPagerClient;
   if (client == KPimGlobalPrefs::OTHER_PAC)
   {
     channel = KPimGlobalPrefs::instance()->mPagerOtherChannel;
     message = KPimGlobalPrefs::instance()->mPagerOtherMessage;
     parameters = KPimGlobalPrefs::instance()->mPagerOtherMessageParameters;
   }
   else
   {
     DefaultAppItem* dai = ExternalAppHandler::getDefaultItem(PAGER, client);
     if (!dai)
     {
       qDebug("could not find configured pager application.");
           return false;
     }
     channel = dai->_channel;
     message = dai->_message;
     parameters = dai->_parameters;
   }
 
 
   //first check if one of the mailers need the emails right in the message.
   message = translateMessage(message, pagernumber);
 
 
   qDebug("Using QCopEnvelope e(\"%s\",\"%s\")", channel.latin1(), message.latin1());
   qDebug("passing pagernumber:(%s) as parameter in the form %s to QCopEnvelope", pagernumber.latin1(), parameters.latin1());
 
   QCopEnvelope e(channel.latin1(), message.latin1());
     //US we need no names in the To field. The emailadresses are enough
 
   passParameter(&e, parameters, pagernumber);
 
 
 #else
   KMessageBox::sorry( 0, i18n( "This version does not support paging." ) );
 #endif
 
 
   return true;
 }
 
+/**************************************************************************
+ *
+ **************************************************************************/
+
 //calls the faxapplication with the number
 bool ExternalAppHandler::callByFax( const QString& faxnumber )
 {
 #ifndef DESKTOP_VERSION 
   QString channel;
   QString message;
   QString parameters;
 
 
   int client = KPimGlobalPrefs::instance()->mFaxClient;
   if (client == KPimGlobalPrefs::OTHER_FAC)
   {
     channel = KPimGlobalPrefs::instance()->mFaxOtherChannel;
     message = KPimGlobalPrefs::instance()->mFaxOtherMessage;
     parameters = KPimGlobalPrefs::instance()->mFaxOtherMessageParameters;
   }
   else
   {
     DefaultAppItem* dai = ExternalAppHandler::getDefaultItem(FAX, client);
     if (!dai)
     {
       qDebug("could not find configured fax application.");
           return false;
     }
     channel = dai->_channel;
     message = dai->_message;
     parameters = dai->_parameters;
   }
 
 
   //first check if one of the mailers need the emails right in the message.
   message = translateMessage(message, faxnumber);
 
 
   qDebug("Using QCopEnvelope e(\"%s\",\"%s\")", channel.latin1(), message.latin1());
   qDebug("passing faxnumber:(%s) as parameter in the form %s to QCopEnvelope", faxnumber.latin1(), parameters.latin1());
 
   QCopEnvelope e(channel.latin1(), message.latin1());
     //US we need no names in the To field. The emailadresses are enough
 
   passParameter(&e, parameters, faxnumber);
 
 
 #else
   KMessageBox::sorry( 0, i18n( "This version does not support the sending of faxes." ) );
 #endif
 
 
   return true;
 }
 
-
-
+/**************************************************************************
+ *
+ **************************************************************************/
 
 
 
 QString& ExternalAppHandler::translateMessage(QString& message, const QString& param1) const
 {
   return message.replace( QRegExp("%1"), param1 );
 }
 
+/**************************************************************************
+ *
+ **************************************************************************/
+
 void ExternalAppHandler::passParameter(QCopEnvelope* e, const QString& parameters, const QString& param1) const
 {
 #ifndef DESKTOP_VERSION 
   QMap<QString, QString> valmap;
   bool useValMap = false;
 
   // first extract all parts of the parameters.
   QStringList paramlist = QStringList::split(";", parameters);
 
   //Now check how many parts we have.
   //=0 :no params to pass
   //>0 :parameters to pass
   for ( QStringList::Iterator it = paramlist.begin(); it != paramlist.end(); ++it )
   {
     QString param = (*it);
     QStringList keyvallist = QStringList::split("=", param);
 
     //if we have keyvalue pairs, we assume that we pass a map to the envelope
     QStringList::Iterator it2 = keyvallist.begin();
     QString key = (*it2);
     key = key.replace( QRegExp("%1"), param1 );
     ++it2;
 
     if(it2 != keyvallist.end())
     {
       QString value = (*it2);
       value = value.replace( QRegExp("%1"), param1 );
 
           valmap.insert(key, value);
           useValMap = true;
     }
     else
     {
             (*e) << key.latin1();
     }
   }
 
   if (useValMap == true)
     (*e) << valmap;
 
 #endif
 
 }
 
 
 
diff --git a/libkdepim/externalapphandler.h b/libkdepim/externalapphandler.h
index 3ecf1b1..efcdd89 100644
--- a/libkdepim/externalapphandler.h
+++ b/libkdepim/externalapphandler.h
@@ -30,91 +30,110 @@ $Id$
 
 #ifndef EXTERNALAPPHANDLER_H
 #define EXTERNALAPPHANDLER_H
 
 #include <qlist.h>
 
 class QCopEnvelope;
 
 
 class ExternalAppHandler;
 
 class DefaultAppItem
 {
   public:
     DefaultAppItem(int type, int id, const QString& label,  const QString& channel, const QString& message, const QString& parameters, const QString& message2, const QString& parameters2)
       : _type(type), _id(id), _label(label), _channel(channel), _message(message), _parameters(parameters), _message2(message2), _parameters2(parameters2)
               {}
 
         DefaultAppItem()
         {  }
 
   public:
     int _type;
     int _id;
     QString _label;
     QString _channel;
     QString _message;
             QString _parameters;// a list of parameters in stringrepresentation. Delimiter is ;
     QString _message2;
     QString _parameters2;  // a list of parameters in stringrepresentation. Delimiter is ;
 
 };
 
 class ExternalAppHandler
 {
   public:
     virtual ~ExternalAppHandler();
 
     static ExternalAppHandler *instance();
 
     enum Types {
                 EMAIL = 0,
                 PHONE = 1,
                 SMS   = 2,
                 FAX   = 3,
                 PAGER = 4
         };
 
+    enum Availability {
+                UNDEFINED = -1,
+                UNAVAILABLE   = 0,
+                AVAILABLE = 1
+        };
+
     //calls the emailapplication with a number of attachments that need to be send
     bool mailAttachments( const QString& urls );
 
     //calls the emailapplication and creates a mail with parameter emails as recipients
     bool mailToContacts( const QString& emails );
 
     //calls the phoneapplication with the number
     bool callByPhone( const QString& phonenumber );
 
     //calls the smsapplication with the number
     bool callBySMS( const QString& phonenumber );
 
     //calls the pagerapplication with the number
     bool callByPager( const QString& pagernumber );
 
     //calls the faxapplication with the number
     bool callByFax( const QString& faxnumber );
 
+    bool isEmailAppAvailable();
+    bool isSMSAppAvailable();
+    bool isPhoneAppAvailable();
+    bool isFaxAppAvailable();
+    bool isPagerAppAvailable();
+
+
 
     //loadConfig clears the cache and checks again if the applications are available or not
     void loadConfig();
 
     QList<DefaultAppItem> getAvailableDefaultItems(Types);
     DefaultAppItem* getDefaultItem(Types, int);
 
 
   private:
     ExternalAppHandler();
     QList<DefaultAppItem> mDefaultItems;
 
+    Availability mEmailAppAvailable;
+    Availability mPhoneAppAvailable;
+    Availability mFaxAppAvailable;
+    Availability mSMSAppAvailable;
+    Availability mPagerAppAvailable;
+
 
     void addDefaultAppItem(Types type, int id, const QString& label,  const QString& channel, const QString& message, const QString& parameters, const QString& message2, const QString& parameters2);
 
     QString& translateMessage(QString& message, const QString& emails) const;
         void passParameter(QCopEnvelope* e, const QString& parameters, const QString& param1) const;
 
 
     static ExternalAppHandler *sInstance;
 
 
 };
 
 #endif