From 997d188dd136880821f08500178b4b907e758698 Mon Sep 17 00:00:00 2001
From: Mateu Batle <mateu.batle@collabora.co.uk>
Date: Thu, 30 Jun 2011 00:41:04 -0500
Subject: Add processing for onHierarchicalDataCahnged signal coming from
 Tpy::AccountsModel for expensive operations

---
 TelepathyQt4Yell/Models/flat-model-proxy.cpp | 22 ++++++++++++++++++++++
 TelepathyQt4Yell/Models/flat-model-proxy.h   |  1 +
 2 files changed, 23 insertions(+)

diff --git a/TelepathyQt4Yell/Models/flat-model-proxy.cpp b/TelepathyQt4Yell/Models/flat-model-proxy.cpp
index 86d21e5..dae0341 100644
--- a/TelepathyQt4Yell/Models/flat-model-proxy.cpp
+++ b/TelepathyQt4Yell/Models/flat-model-proxy.cpp
@@ -21,6 +21,7 @@
 #include <TelepathyQt4Yell/Models/FlatModelProxy>
 
 #include "TelepathyQt4Yell/Models/_gen/flat-model-proxy.moc.hpp"
+#include <TelepathyQt4Yell/Models/AccountsModel>
 
 namespace Tpy
 {
@@ -66,6 +67,13 @@ FlatModelProxy::FlatModelProxy(QAbstractItemModel *source)
     connect(source,
             SIGNAL(dataChanged(QModelIndex,QModelIndex)),
             SLOT(onDataChanged(QModelIndex,QModelIndex)));
+
+    Tpy::AccountsModel *accountsModel = qobject_cast<Tpy::AccountsModel *> (source);
+    if (accountsModel) {
+        connect(accountsModel,
+                SIGNAL(hierarchicalDataChanged(QModelIndex,QModelIndex)),
+                SLOT(onHierarchicalDataChanged(QModelIndex,QModelIndex)));
+    }
 }
 
 FlatModelProxy::~FlatModelProxy()
@@ -175,4 +183,18 @@ void FlatModelProxy::onDataChanged(const QModelIndex &first, const QModelIndex &
     }
 }
 
+void FlatModelProxy::onHierarchicalDataChanged(const QModelIndex &first, const QModelIndex &last)
+{
+    if (!first.parent().isValid() && !last.parent().isValid()) {
+        int firstOffset = mPriv->offsetOf(this, first.row());
+        int lastOffset = mPriv->offsetOf(this, last.row() + 1) - 1;
+        QModelIndex firstIndex = createIndex(firstOffset, 0, first.row());
+        QModelIndex lastIndex = createIndex(lastOffset, 0, last.row());
+        emit dataChanged(firstIndex, lastIndex);
+    } else {
+        // do not do normal dataChanged, since dataChanged it was already triggered separately
+        //onDataChanged(first, last);
+    }
+}
+
 }
diff --git a/TelepathyQt4Yell/Models/flat-model-proxy.h b/TelepathyQt4Yell/Models/flat-model-proxy.h
index 116bea0..e926d41 100644
--- a/TelepathyQt4Yell/Models/flat-model-proxy.h
+++ b/TelepathyQt4Yell/Models/flat-model-proxy.h
@@ -60,6 +60,7 @@ private Q_SLOTS:
     void onRowsAboutToBeRemoved(const QModelIndex &index, int first, int last);
     void onRowsRemoved(const QModelIndex &index, int first, int last);
     void onDataChanged(const QModelIndex &first, const QModelIndex &last);
+    void onHierarchicalDataChanged(const QModelIndex &fisrt, const QModelIndex &last);
 
 private:
     struct Private;
-- 
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