From 16584dc70ef9121876ded1604daf32774d1862e2 Mon Sep 17 00:00:00 2001
From: Weng Xuetian <wengxt@gmail.com>
Date: Tue, 1 Mar 2016 08:05:23 -0800
Subject: [PATCH] Workaround by always reset model when insert and remove from
 model.

CCBUG: 352055
---
 applets/systemtray/plugin/tasklistmodel.cpp | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/applets/systemtray/plugin/tasklistmodel.cpp b/applets/systemtray/plugin/tasklistmodel.cpp
index 1fa306c82..473d61cdc 100644
--- a/applets/systemtray/plugin/tasklistmodel.cpp
+++ b/applets/systemtray/plugin/tasklistmodel.cpp
@@ -102,10 +102,10 @@ void SystemTray::TaskListModel::addTask(Task *task)
 {
     if (!m_tasks.contains(task)) {
         auto it = qLowerBound(m_tasks.begin(), m_tasks.end(), task, taskLessThan);
-        int index = it - m_tasks.begin();
-        beginInsertRows(QModelIndex(), index, index);
+        // use ResetModel as a workaround for bug 352055
+        beginResetModel();
         m_tasks.insert(it, task);
-        endInsertRows();
+        endResetModel();
     }
 }
 
@@ -113,9 +113,10 @@ void SystemTray::TaskListModel::removeTask(Task *task)
 {
     int index = m_tasks.indexOf(task);
     if (index >= 0 ) {
-        beginRemoveRows(QModelIndex(), index, index);
+        // use ResetModel as a workaround for bug 352055
+        beginResetModel();
         m_tasks.removeAt(index);
-        endRemoveRows();
+        endResetModel();
     }
 }