hasEmailSupport patch

[Tick Chen]

Hi Holger, 
  I created a patch to solve unusable Email button on overview dialog. 
The VCard view is not done yet, for that will need something more to
deal with. 

Cheers, 
Tick
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diff --git a/src/applications/addressbook/contactoverview.cpp b/src/applications/addressbook/contactoverview.cpp
index 078ddb7..850d5fc 100644
--- a/src/applications/addressbook/contactoverview.cpp
+++ b/src/applications/addressbook/contactoverview.cpp
@@ -36,6 +36,7 @@
 #include <QResizeEvent>
 
 #include <QtopiaService>
+#include <qemailsupport.h>
 
 // -------------------------------------------------------------
 // ContactOverview
@@ -92,7 +93,7 @@ void ContactOverview::updateCommands()
 #endif
 
         mCall->setVisible( bDialer && numbers.count() > 0 );
-        mEmail->setVisible(bEmail && !ent.defaultEmail().isEmpty() );
+        mEmail->setVisible(bEmail && !ent.defaultEmail().isEmpty() && QEmailSupport::hasEmailSupport());
         mText->setVisible( bSMS && numbers.count() > 0 );
 
         if (numbers.count() > 1) {
diff --git a/src/libraries/qtopiamail/qemailsupport.cpp b/src/libraries/qtopiamail/qemailsupport.cpp
new file mode 100644
index 0000000..c32b70f
--- /dev/null
+++ b/src/libraries/qtopiamail/qemailsupport.cpp
@@ -0,0 +1,45 @@
+/***************************************************************************
+**
+** Copyright (C) 2008 Openmoko Inc.
+**
+** This software is licensed under the terms of the GNU General Public
+** License (GPL) version 2 or at your option any later version.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+***************************************************************************/
+
+#include <qsettings.h>
+#include <qdebug.h>
+#include "qemailsupport.h"
+
+
+namespace QEmailSupport {
+
+bool _getEmailConf(QSettings *conf, int count) 
+{
+    int i;
+    for (i=0;i< count;i++) {
+        conf->beginGroup( "account_" + QString::number(i) );
+        if (!conf->value("smtpserver").toString().isEmpty()) {
+            return true;
+        }
+        conf->endGroup();
+    }
+    return false;
+}
+
+bool hasEmailSupport() 
+{
+    int count;
+    QSettings accountconf("Trolltech","qtmail_account");
+    accountconf.beginGroup( "accountglobal" );
+    count =  accountconf.value("accounts", 0).toInt();
+    accountconf.endGroup();
+    if(count==0) 
+        return false;
+    return _getEmailConf(&accountconf, count);
+}
+
+}
diff --git a/src/libraries/qtopiamail/qemailsupport.h b/src/libraries/qtopiamail/qemailsupport.h
new file mode 100644
index 0000000..eb5e81a
--- /dev/null
+++ b/src/libraries/qtopiamail/qemailsupport.h
@@ -0,0 +1,21 @@
+/***************************************************************************
+**
+** Copyright (C) 2008 Openmoko Inc.
+**
+** This software is licensed under the terms of the GNU General Public
+** License (GPL) version 2 or at your option any later version.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+***************************************************************************/
+
+
+#ifndef _QEMAILSUPPORT_H_
+#define _QEMAILSUPPORT_H_
+
+namespace QEmailSupport {
+    bool hasEmailSupport();
+};
+
+#endif
diff --git a/src/libraries/qtopiamail/qtopiamail.pro b/src/libraries/qtopiamail/qtopiamail.pro
index 144b6e0..822c72e 100644
--- a/src/libraries/qtopiamail/qtopiamail.pro
+++ b/src/libraries/qtopiamail/qtopiamail.pro
@@ -33,7 +33,8 @@ HEADERS+=\
     qmailid.h\
 	mailbodystore_p.h\
     qprivateimplementation_p.h\
-    qprivateimplementationdef_p.h
+    qprivateimplementationdef_p.h\
+    qemailsupport.h 
 
 SOURCES+=\
     qmailaddress.cpp\
@@ -55,7 +56,8 @@ SOURCES+=\
     qmailviewerplugin.cpp\
     qmailid.cpp\
 	mailbodystore.cpp\
-    qprivateimplementation.cpp
+    qprivateimplementation.cpp\
+    qemailsupport.cpp
 
 depends(libraries/qtopiapim)
 
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