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Code Issues Releases Wiki Activity

Refactor code to restore the list state

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This commit is contained in:
cketti 2013-01-30 21:56:16 +01:00
parent e9f57dd9c6
commit 5b8fe64917
1 changed files with 26 additions and 14 deletions
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40
src/com/fsck/k9/fragment/MessageListFragment.java
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@ -334,8 +334,6 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
SORT_COMPARATORS = Collections.unmodifiableMap(map);
}
private boolean mResumed;
private ListView mListView;
private PullToRefreshListView mPullToRefreshView;
private Parcelable mSavedListState;
@ -418,6 +416,8 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
private Preferences mPreferences;
private boolean mLoaderJustInitialized;
/**
* This class is used to run operations that modify UI elements in the UI thread.
*
@ -433,6 +433,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
private static final int ACTION_PROGRESS = 3;
private static final int ACTION_REMOTE_SEARCH_FINISHED = 4;
private static final int ACTION_GO_BACK = 5;
private static final int ACTION_RESTORE_LIST_POSITION = 6;
public void folderLoading(String folder, boolean loading) {
@ -471,6 +472,11 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
sendMessage(msg);
}
public void restoreListPosition() {
android.os.Message msg = android.os.Message.obtain(this, ACTION_RESTORE_LIST_POSITION);
sendMessage(msg);
}
@Override
public void handleMessage(android.os.Message msg) {
// The following messages don't need an attached activity.
@ -507,6 +513,11 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
mFragmentListener.goBack();
break;
}
case ACTION_RESTORE_LIST_POSITION: {
mListView.onRestoreInstanceState(mSavedListState);
mSavedListState = null;
break;
}
}
}
}
@ -747,6 +758,7 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
restoreInstanceState(savedInstanceState);
mLoaderJustInitialized = true;
LoaderManager loaderManager = getLoaderManager();
int len = mAccountUuids.length;
mCursors = new Cursor[len];
@ -915,7 +927,6 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
@Override
public void onPause() {
mResumed = false;
super.onPause();
mController.removeListener(mListener);
}
@ -929,19 +940,21 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
public void onResume() {
super.onResume();
mResumed = true;
setupFormats();
Context appContext = getActivity().getApplicationContext();
mSenderAboveSubject = K9.messageListSenderAboveSubject();
// Refresh the message list
LoaderManager loaderManager = getLoaderManager();
for (int i = 0; i < mAccountUuids.length; i++) {
loaderManager.restartLoader(i, null, this);
mCursorValid[i] = false;
if (!mLoaderJustInitialized) {
// Refresh the message list
LoaderManager loaderManager = getLoaderManager();
for (int i = 0; i < mAccountUuids.length; i++) {
loaderManager.restartLoader(i, null, this);
mCursorValid[i] = false;
}
} else {
mLoaderJustInitialized = false;
}
// Check if we have connectivity. Cache the value.
@ -3081,15 +3094,14 @@ public class MessageListFragment extends SherlockFragment implements OnItemClick
resetActionMode();
computeBatchDirection();
if (mSavedListState != null && mResumed) {
if (mSavedListState != null) {
boolean loadFinished = true;
for (int i = 0; i < mCursorValid.length; i++) {
loadFinished &= mCursorValid[i];
}
if (loadFinished && mSavedListState != null) {
mListView.onRestoreInstanceState(mSavedListState);
mSavedListState = null;
if (loadFinished) {
mHandler.restoreListPosition();
}
}
}