/*
* Tweetings - Twitter client for Android
*
* Copyright (C) 2012-2013 RBD Solutions Limited <apps@tweetings.net>
* Copyright (C) 2012 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.dwdesign.tweetings.fragment;
import static com.dwdesign.tweetings.util.Utils.getActivatedAccountIds;
import java.util.ArrayList;
import java.util.List;
import com.dwdesign.popupmenu.PopupMenu;
import com.dwdesign.popupmenu.PopupMenu.OnMenuItemClickListener;
import com.dwdesign.tweetings.R;
import com.dwdesign.tweetings.activity.HomeActivity;
import com.dwdesign.tweetings.adapter.UsersAdapter;
import com.dwdesign.tweetings.app.TweetingsApplication;
import com.dwdesign.tweetings.model.Panes;
import com.dwdesign.tweetings.model.ParcelableUser;
import com.dwdesign.tweetings.util.NoDuplicatesLinkedList;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.Loader;
import android.view.MenuItem;
import android.view.View;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;
import com.handmark.pulltorefresh.library.PullToRefreshBase.Mode;
abstract class BaseUsersListFragment extends PullToRefreshListFragment implements
LoaderCallbacks<List<ParcelableUser>>, OnItemClickListener, OnScrollListener, OnItemLongClickListener,
Panes.Left, OnMenuItemClickListener {
private SharedPreferences mPreferences;
private PopupMenu mPopupMenu;
protected TweetingsApplication mApplication;
protected UsersAdapter mAdapter;
private boolean mLoadMoreAutomatically;
private ListView mListView;
private long mAccountId;
private final ArrayList<ParcelableUser> mData = new ArrayList<ParcelableUser>();
private volatile boolean mReachedBottom, mNotReachedBottomBefore = true;
private Fragment mDetailFragment;
private ParcelableUser mSelectedUser;
private final BroadcastReceiver mStateReceiver = new BroadcastReceiver() {
@Override
public void onReceive(final Context context, final Intent intent) {
final String action = intent.getAction();
if (BROADCAST_MULTI_SELECT_STATE_CHANGED.equals(action)) {
mAdapter.setMultiSelectEnabled(mApplication.isMultiSelectActive());
} else if (BROADCAST_MULTI_SELECT_ITEM_CHANGED.equals(action)) {
mAdapter.notifyDataSetChanged();
}
}
};
public long getAccountId() {
return mAccountId;
}
public final ArrayList<ParcelableUser> getData() {
return mData;
}
@Override
public UsersAdapter getListAdapter() {
return mAdapter;
}
public SharedPreferences getSharedPreferences() {
return mPreferences;
}
public abstract Loader<List<ParcelableUser>> newLoaderInstance();
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mApplication = getApplication();
mPreferences = getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
mAdapter = new UsersAdapter(getActivity());
mListView = getListView();
final Bundle args = getArguments() != null ? getArguments() : new Bundle();
final long account_id = args.getLong(INTENT_KEY_ACCOUNT_ID, -1);
if (mAccountId != account_id) {
mAdapter.clear();
mData.clear();
}
mAccountId = account_id;
mListView.setOnItemClickListener(this);
mListView.setOnItemLongClickListener(this);
mListView.setOnScrollListener(this);
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
mListView.setCacheColorHint(0);
}
setMode(Mode.BOTH);
setListAdapter(mAdapter);
getLoaderManager().initLoader(0, getArguments(), this);
setListShown(false);
}
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Tell the framework to try to keep this fragment around
// during a configuration change.
setRetainInstance(true);
}
@Override
public Loader<List<ParcelableUser>> onCreateLoader(final int id, final Bundle args) {
setProgressBarIndeterminateVisibility(true);
return newLoaderInstance();
}
@Override
public void onItemClick(final AdapterView<?> adapter, final View view, final int position, final long id) {
final ParcelableUser user = mAdapter.findItem(id);
if (user == null) return;
if (mApplication.isMultiSelectActive()) {
final NoDuplicatesLinkedList<Object> list = mApplication.getSelectedItems();
if (!list.contains(user)) {
list.add(user);
} else {
list.remove(user);
}
return;
}
openUserProfile(user.user_id, user.screen_name);
}
@Override
public boolean onItemLongClick(final AdapterView<?> parent, final View view, final int position, final long id) {
mSelectedUser = null;
final UsersAdapter adapter = getListAdapter();
mSelectedUser = adapter.findItem(id);
if (mApplication.isMultiSelectActive()) {
final NoDuplicatesLinkedList<Object> list = mApplication.getSelectedItems();
if (!list.contains(mSelectedUser)) {
list.add(mSelectedUser);
} else {
list.remove(mSelectedUser);
}
return true;
}
mPopupMenu = PopupMenu.getInstance(getActivity(), view);
mPopupMenu.inflate(R.menu.action_user);
mPopupMenu.setOnMenuItemClickListener(this);
mPopupMenu.show();
return true;
}
@Override
public void onLoaderReset(final Loader<List<ParcelableUser>> loader) {
setProgressBarIndeterminateVisibility(false);
}
@Override
public void onLoadFinished(final Loader<List<ParcelableUser>> loader, final List<ParcelableUser> data) {
setProgressBarIndeterminateVisibility(false);
mAdapter.setData(data);
mAdapter.setShowAccountColor(getActivatedAccountIds(getActivity()).length > 1);
onRefreshComplete();
setListShown(true);
}
@Override
public boolean onMenuItemClick(final MenuItem item) {
if (mSelectedUser == null) return false;
switch (item.getItemId()) {
case MENU_VIEW_PROFILE: {
openUserProfile(mSelectedUser.user_id, mSelectedUser.screen_name);
break;
}
case MENU_EXTENSIONS: {
final Intent intent = new Intent(INTENT_ACTION_EXTENSION_OPEN_USER);
final Bundle extras = new Bundle();
extras.putParcelable(INTENT_KEY_USER, mSelectedUser);
intent.putExtras(extras);
startActivity(Intent.createChooser(intent, getString(R.string.open_with_extensions)));
break;
}
case MENU_MULTI_SELECT: {
if (!mApplication.isMultiSelectActive()) {
mApplication.startMultiSelect();
}
final NoDuplicatesLinkedList<Object> list = mApplication.getSelectedItems();
if (!list.contains(mSelectedUser)) {
list.add(mSelectedUser);
}
break;
}
}
return true;
}
@Override
public void onPullDownToRefresh() {
getLoaderManager().restartLoader(0, getArguments(), this);
}
@Override
public void onPullUpToRefresh() {
final int count = mAdapter.getCount();
if (count - 1 > 0) {
final Bundle args = getArguments();
if (args != null) {
args.putLong(INTENT_KEY_MAX_ID, mAdapter.getItem(count - 1).user_id);
}
if (!getLoaderManager().hasRunningLoaders()) {
getLoaderManager().restartLoader(0, args, this);
}
}
}
@Override
public void onResume() {
super.onResume();
mLoadMoreAutomatically = mPreferences.getBoolean(PREFERENCE_KEY_LOAD_MORE_AUTOMATICALLY, false);
final float text_size = mPreferences.getFloat(PREFERENCE_KEY_TEXT_SIZE, PREFERENCE_DEFAULT_TEXT_SIZE);
final boolean display_profile_image = mPreferences.getBoolean(PREFERENCE_KEY_DISPLAY_PROFILE_IMAGE, true);
final boolean display_name = mPreferences.getBoolean(PREFERENCE_KEY_DISPLAY_NAME, false);
mAdapter.setMultiSelectEnabled(mApplication.isMultiSelectActive());
mAdapter.setDisplayProfileImage(display_profile_image);
mAdapter.setTextSize(text_size);
mAdapter.setDisplayName(display_name);
mAdapter.notifyDataSetChanged();
}
@Override
public void onScroll(final AbsListView view, final int firstVisibleItem, final int visibleItemCount, final int totalItemCount) {
final boolean reached = firstVisibleItem + visibleItemCount >= totalItemCount
&& totalItemCount >= visibleItemCount;
if (mReachedBottom != reached) {
mReachedBottom = reached;
if (mReachedBottom && mNotReachedBottomBefore) {
mNotReachedBottomBefore = false;
return;
}
final int count = mAdapter.getCount();
if (mLoadMoreAutomatically && mReachedBottom && count > visibleItemCount) {
onPullUpToRefresh();
}
}
}
@Override
public void onScrollStateChanged(final AbsListView view, final int scrollState) {
}
@Override
public void onStart() {
super.onStart();
final IntentFilter filter = new IntentFilter();
filter.addAction(BROADCAST_MULTI_SELECT_STATE_CHANGED);
filter.addAction(BROADCAST_MULTI_SELECT_ITEM_CHANGED);
registerReceiver(mStateReceiver, filter);
}
@Override
public void onStop() {
if (mPopupMenu != null) {
mPopupMenu.dismiss();
}
unregisterReceiver(mStateReceiver);
super.onStop();
}
protected void openUserProfile(final long user_id, final String screen_name) {
final FragmentActivity activity = getActivity();
if (activity instanceof HomeActivity && ((HomeActivity) activity).isDualPaneMode()) {
final HomeActivity home_activity = (HomeActivity) activity;
if (mDetailFragment instanceof UserProfileFragment && mDetailFragment.isAdded()) {
((UserProfileFragment) mDetailFragment).getUserInfo(mAccountId, user_id, screen_name);
} else {
mDetailFragment = new UserProfileFragment();
final Bundle args = new Bundle();
args.putLong(INTENT_KEY_ACCOUNT_ID, mAccountId);
args.putLong(INTENT_KEY_USER_ID, user_id);
args.putString(INTENT_KEY_SCREEN_NAME, screen_name);
mDetailFragment.setArguments(args);
home_activity.showAtPane(HomeActivity.PANE_RIGHT, mDetailFragment, true);
}
} else {
final Uri.Builder builder = new Uri.Builder();
builder.scheme(SCHEME_TWEETINGS);
builder.authority(AUTHORITY_USER);
builder.appendQueryParameter(QUERY_PARAM_ACCOUNT_ID, String.valueOf(mAccountId));
builder.appendQueryParameter(QUERY_PARAM_USER_ID, String.valueOf(user_id));
builder.appendQueryParameter(QUERY_PARAM_SCREEN_NAME, screen_name);
startActivity(new Intent(Intent.ACTION_VIEW, builder.build()));
}
}
}