From f2fe826fb3fef842368571700d3c8aeb3731e7e3 Mon Sep 17 00:00:00 2001
From: Thialfihar <thi@thialfihar.org>
Date: Fri, 9 Jul 2010 11:12:32 +0000
Subject: [PATCH] make MessageList remember the last selected item

---
 src/com/fsck/k9/activity/MessageList.java | 88 +++++++++++++++++++----
 1 file changed, 75 insertions(+), 13 deletions(-)

diff --git a/src/com/fsck/k9/activity/MessageList.java b/src/com/fsck/k9/activity/MessageList.java
index fb17baf39..48a30bdd8 100644
--- a/src/com/fsck/k9/activity/MessageList.java
+++ b/src/com/fsck/k9/activity/MessageList.java
@@ -1,6 +1,13 @@
 package com.fsck.k9.activity;
 // import android.os.Debug;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
@@ -15,32 +22,54 @@ import android.text.style.TextAppearanceSpan;
 import android.util.Config;
 import android.util.Log;
 import android.util.TypedValue;
-import android.view.*;
+import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
-import android.view.View.OnClickListener;
+import android.view.GestureDetector;
 import android.view.GestureDetector.SimpleOnGestureListener;
-import android.widget.*;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.view.Window;
+import android.widget.AdapterView;
 import android.widget.AdapterView.AdapterContextMenuInfo;
+import android.widget.BaseAdapter;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
 import android.widget.CompoundButton.OnCheckedChangeListener;
-import com.fsck.k9.*;
-import com.fsck.k9.activity.setup.Prefs;
+import android.widget.ImageButton;
+import android.widget.ListView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.fsck.k9.Account;
+import com.fsck.k9.AccountStats;
+import com.fsck.k9.FontSizes;
+import com.fsck.k9.K9;
+import com.fsck.k9.Preferences;
+import com.fsck.k9.R;
+import com.fsck.k9.SearchSpecification;
 import com.fsck.k9.activity.setup.AccountSettings;
 import com.fsck.k9.activity.setup.FolderSettings;
+import com.fsck.k9.activity.setup.Prefs;
 import com.fsck.k9.controller.MessagingController;
-import com.fsck.k9.controller.MessagingListener;
 import com.fsck.k9.controller.MessagingController.SORT_TYPE;
+import com.fsck.k9.controller.MessagingListener;
 import com.fsck.k9.helper.Utility;
-import com.fsck.k9.mail.*;
+import com.fsck.k9.mail.Address;
+import com.fsck.k9.mail.Flag;
+import com.fsck.k9.mail.Folder;
+import com.fsck.k9.mail.Message;
 import com.fsck.k9.mail.Message.RecipientType;
+import com.fsck.k9.mail.MessagingException;
 import com.fsck.k9.mail.store.LocalStore;
 import com.fsck.k9.mail.store.LocalStore.LocalFolder;
 import com.fsck.k9.mail.store.LocalStore.LocalMessage;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Date;
-import java.util.List;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 
 /**
@@ -71,6 +100,7 @@ public class MessageList
     private static final String EXTRA_ACCOUNT_UUIDS = "accountUuids";
     private static final String EXTRA_FOLDER_NAMES = "folderNames";
     private static final String EXTRA_TITLE = "title";
+    private static final String EXTRA_LIST_POSITION = "listPosition";
 
     private ListView mListView;
 
@@ -123,6 +153,8 @@ public class MessageList
 
     private FontSizes mFontSizes = K9.getFontSizes();
 
+    private Bundle mState = null;
+
     class MessageListHandler extends Handler
     {
         public void removeMessage(final List<MessageInfoHolder> messages)
@@ -486,8 +518,37 @@ public class MessageList
         super.onPause();
         //Debug.stopMethodTracing();
         mController.removeListener(mAdapter.mListener);
+        saveListState();
     }
 
+    public void saveListState()
+    {
+        mState = new Bundle();
+        mState.putInt(EXTRA_LIST_POSITION, mListView.getSelectedItemPosition());
+    }
+
+    public void restoreListState() {
+        if (mState == null)
+        {
+            return;
+        }
+
+        int pos = mState.getInt(EXTRA_LIST_POSITION, ListView.INVALID_POSITION);
+
+        if (pos >= mListView.getCount())
+        {
+            pos = mListView.getCount() - 1;
+        }
+
+        if (pos == ListView.INVALID_POSITION)
+        {
+            mListView.setSelected(false);
+        }
+        else
+        {
+            mListView.setSelection(pos);
+        }
+    }
 
     /**
     * On resume we refresh
@@ -526,6 +587,7 @@ public class MessageList
 
         mHandler.refreshTitle();
 
+        restoreListState();
     }
 
     private void initializeLayout()