/*
* Firetweet - Twitter client for Android
*
* Copyright (C) 2012-2014 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 org.getlantern.firetweet.fragment.support;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.Rect;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.util.LongSparseArray;
import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v4.widget.SwipeRefreshLayout.OnRefreshListener;
import android.support.v7.widget.FixedLinearLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import com.squareup.otto.Bus;
import com.squareup.otto.Subscribe;
import org.getlantern.querybuilder.Columns.Column;
import org.getlantern.querybuilder.Expression;
import org.getlantern.querybuilder.RawItemArray;
import org.getlantern.firetweet.R;
import org.getlantern.firetweet.activity.iface.IControlBarActivity;
import org.getlantern.firetweet.activity.iface.IControlBarActivity.ControlBarOffsetListener;
import org.getlantern.firetweet.activity.support.BaseActionBarActivity;
import org.getlantern.firetweet.adapter.MessageEntriesAdapter;
import org.getlantern.firetweet.adapter.MessageEntriesAdapter.DirectMessageEntry;
import org.getlantern.firetweet.adapter.MessageEntriesAdapter.MessageEntriesAdapterListener;
import org.getlantern.firetweet.adapter.decorator.DividerItemDecoration;
import org.getlantern.firetweet.app.FiretweetApplication;
import org.getlantern.firetweet.fragment.iface.RefreshScrollTopInterface;
import org.getlantern.firetweet.provider.FiretweetDataStore.Accounts;
import org.getlantern.firetweet.provider.FiretweetDataStore.DirectMessages;
import org.getlantern.firetweet.provider.FiretweetDataStore.DirectMessages.Inbox;
import org.getlantern.firetweet.provider.FiretweetDataStore.Statuses;
import org.getlantern.firetweet.util.AsyncTaskUtils;
import org.getlantern.firetweet.util.AsyncTwitterWrapper;
import org.getlantern.firetweet.util.ContentListScrollListener;
import org.getlantern.firetweet.util.ContentListScrollListener.ContentListSupport;
import org.getlantern.firetweet.util.MultiSelectManager;
import org.getlantern.firetweet.util.ThemeUtils;
import org.getlantern.firetweet.util.Utils;
import org.getlantern.firetweet.util.content.SupportFragmentReloadCursorObserver;
import org.getlantern.firetweet.util.message.GetMessagesTaskEvent;
import org.getlantern.firetweet.util.message.TaskStateChangedEvent;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import static org.getlantern.firetweet.util.Utils.getActivatedAccountIds;
import static org.getlantern.firetweet.util.Utils.openMessageConversation;
public class DirectMessagesFragment extends BaseSupportFragment implements LoaderCallbacks<Cursor>,
RefreshScrollTopInterface, OnRefreshListener, MessageEntriesAdapterListener,
ControlBarOffsetListener, ContentListSupport {
private final SupportFragmentReloadCursorObserver mReloadContentObserver = new SupportFragmentReloadCursorObserver(
this, 0, this);
private final LongSparseArray<Set<Long>> mUnreadCountsToRemove = new LongSparseArray<>();
private final Set<Integer> mReadPositions = Collections.synchronizedSet(new HashSet<Integer>());
private MultiSelectManager mMultiSelectManager;
private SharedPreferences mPreferences;
private RecyclerView mRecyclerView;
private MessageEntriesAdapter mAdapter;
private int mFirstVisibleItem;
private RemoveUnreadCountsTask mRemoveUnreadCountsTask;
private SwipeRefreshLayout mSwipeRefreshLayout;
private View mProgressContainer;
private LinearLayoutManager mLayoutManager;
public final LongSparseArray<Set<Long>> getUnreadCountsToRemove() {
return mUnreadCountsToRemove;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
if (activity instanceof IControlBarActivity) {
((IControlBarActivity) activity).registerControlBarOffsetListener(this);
}
}
private Rect mSystemWindowsInsets = new Rect();
private int mControlBarOffsetPixels;
@Override
protected void fitSystemWindows(Rect insets) {
super.fitSystemWindows(insets);
mRecyclerView.setPadding(insets.left, insets.top, insets.right, insets.bottom);
mSystemWindowsInsets.set(insets);
updateRefreshProgressOffset();
}
@Override
public void onControlBarOffsetChanged(IControlBarActivity activity, float offset) {
mControlBarOffsetPixels = Math.round(activity.getControlBarHeight() * (1 - offset));
updateRefreshProgressOffset();
}
private void updateRefreshProgressOffset() {
if (mSystemWindowsInsets.top == 0 || mSwipeRefreshLayout == null || isRefreshing()) return;
final float density = getResources().getDisplayMetrics().density;
final int progressCircleDiameter = mSwipeRefreshLayout.getProgressCircleDiameter();
final int swipeStart = (mSystemWindowsInsets.top - mControlBarOffsetPixels) - progressCircleDiameter;
// 64: SwipeRefreshLayout.DEFAULT_CIRCLE_TARGET
final int swipeDistance = Math.round(64 * density);
mSwipeRefreshLayout.setProgressViewOffset(true, swipeStart, swipeStart + swipeDistance);
}
@Override
public void onDetach() {
final FragmentActivity activity = getActivity();
if (activity instanceof IControlBarActivity) {
((IControlBarActivity) activity).unregisterControlBarOffsetListener(this);
}
super.onDetach();
}
@Override
public void onEntryClick(int position, DirectMessageEntry entry) {
Utils.openMessageConversation(getActivity(), entry.account_id, entry.conversation_id);
}
@Override
public void onRefresh() {
AsyncTaskUtils.executeTask(new AsyncTask<Object, Object, long[][]>() {
@Override
protected long[][] doInBackground(final Object... params) {
final long[][] result = new long[2][];
result[0] = Utils.getActivatedAccountIds(getActivity());
result[1] = Utils.getNewestMessageIdsFromDatabase(getActivity(), DirectMessages.Inbox.CONTENT_URI);
return result;
}
@Override
protected void onPostExecute(final long[][] result) {
final AsyncTwitterWrapper twitter = getTwitterWrapper();
if (twitter == null) return;
twitter.getReceivedDirectMessagesAsync(result[0], null, result[1]);
twitter.getSentDirectMessagesAsync(result[0], null, null);
}
});
}
private void setListShown(boolean shown) {
mProgressContainer.setVisibility(shown ? View.GONE : View.VISIBLE);
mSwipeRefreshLayout.setVisibility(shown ? View.VISIBLE : View.GONE);
}
@Override
public void onBaseViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onBaseViewCreated(view, savedInstanceState);
mProgressContainer = view.findViewById(R.id.progress_container);
mSwipeRefreshLayout = (SwipeRefreshLayout) view.findViewById(R.id.swipe_layout);
mRecyclerView = (RecyclerView) view.findViewById(R.id.recycler_view);
}
@Override
public Loader<Cursor> onCreateLoader(final int id, final Bundle args) {
final Uri uri = DirectMessages.ConversationEntries.CONTENT_URI;
final long account_id = getAccountId();
final long[] account_ids = account_id > 0 ? new long[]{account_id} : getActivatedAccountIds(getActivity());
final boolean no_account_selected = account_ids.length == 0;
// setEmptyText(no_account_selected ? getString(R.string.no_account_selected) : null);
// if (!no_account_selected) {
// getListView().setEmptyView(null);
// }
final Expression account_where = Expression.in(new Column(Statuses.ACCOUNT_ID), new RawItemArray(account_ids));
return new CursorLoader(getActivity(), uri, null, account_where.getSQL(), null, null);
}
@Override
public void onLoadFinished(final Loader<Cursor> loader, final Cursor cursor) {
if (getActivity() == null) return;
mFirstVisibleItem = -1;
mAdapter.setCursor(cursor);
mAdapter.setLoadMoreIndicatorVisible(false);
mAdapter.setLoadMoreSupported(cursor != null && cursor.getCount() > 0);
mSwipeRefreshLayout.setEnabled(true);
// mAdapter.setShowAccountColor(getActivatedAccountIds(getActivity()).length > 1);
setListShown(true);
}
@Override
public void onLoaderReset(final Loader<Cursor> loader) {
mAdapter.setCursor(null);
}
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_recycler_view, container, false);
}
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
final View view = getView();
if (view == null) throw new AssertionError();
mPreferences = getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
final Context viewContext = view.getContext();
mMultiSelectManager = getMultiSelectManager();
mAdapter = new MessageEntriesAdapter(viewContext);
mAdapter.setListener(this);
mLayoutManager = new FixedLinearLayoutManager(viewContext);
mLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
mSwipeRefreshLayout.setOnRefreshListener(this);
mSwipeRefreshLayout.setColorSchemeColors(ThemeUtils.getUserAccentColor(viewContext));
mRecyclerView.setLayoutManager(mLayoutManager);
mRecyclerView.setAdapter(mAdapter);
final ContentListScrollListener scrollListener = new ContentListScrollListener(this);
scrollListener.setTouchSlop(ViewConfiguration.get(viewContext).getScaledTouchSlop());
mRecyclerView.setOnScrollListener(scrollListener);
final DividerItemDecoration itemDecoration = new DividerItemDecoration(viewContext, mLayoutManager.getOrientation());
final Resources res = viewContext.getResources();
final int decorPaddingLeft = res.getDimensionPixelSize(R.dimen.element_spacing_normal) * 3
+ res.getDimensionPixelSize(R.dimen.icon_size_status_profile_image);
itemDecoration.setPadding(decorPaddingLeft, 0, 0, 0);
itemDecoration.setDecorationEndOffset(1);
mRecyclerView.addItemDecoration(itemDecoration);
getLoaderManager().initLoader(0, null, this);
setListShown(false);
}
@Override
public void onStart() {
super.onStart();
final ContentResolver resolver = getContentResolver();
resolver.registerContentObserver(Accounts.CONTENT_URI, true, mReloadContentObserver);
final Bus bus = FiretweetApplication.getInstance(getActivity()).getMessageBus();
bus.register(this);
mAdapter.updateReadState();
updateRefreshState();
}
@Subscribe
public void onGetMessagesTaskChanged(GetMessagesTaskEvent event) {
if (event.uri.equals(Inbox.CONTENT_URI) && !event.running) {
setRefreshing(false);
mAdapter.setLoadMoreIndicatorVisible(false);
mSwipeRefreshLayout.setEnabled(true);
}
}
@Override
public void onStop() {
final Bus bus = FiretweetApplication.getInstance(getActivity()).getMessageBus();
bus.unregister(this);
final ContentResolver resolver = getContentResolver();
resolver.unregisterContentObserver(mReloadContentObserver);
super.onStop();
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId()) {
case MENU_COMPOSE: {
openMessageConversation(getActivity(), -1, -1);
break;
}
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean scrollToStart() {
final AsyncTwitterWrapper twitter = getTwitterWrapper();
final int tabPosition = getTabPosition();
if (twitter != null && tabPosition >= 0) {
twitter.clearUnreadCountAsync(tabPosition);
}
mRecyclerView.smoothScrollToPosition(0);
return true;
}
@Override
public boolean triggerRefresh() {
return true;
}
@Override
public void setUserVisibleHint(final boolean isVisibleToUser) {
super.setUserVisibleHint(isVisibleToUser);
}
protected long getAccountId() {
final Bundle args = getArguments();
return args != null ? args.getLong(EXTRA_ACCOUNT_ID, -1) : -1;
}
protected void updateRefreshState() {
final AsyncTwitterWrapper twitter = getTwitterWrapper();
setRefreshing(twitter != null && (twitter.isReceivedDirectMessagesRefreshing() || twitter.isSentDirectMessagesRefreshing()));
}
public void setRefreshing(boolean refreshing) {
if (mAdapter == null || refreshing == mSwipeRefreshLayout.isRefreshing()) return;
mSwipeRefreshLayout.setRefreshing(refreshing && !mAdapter.isLoadMoreIndicatorVisible());
}
public boolean isRefreshing() {
if (mSwipeRefreshLayout == null || mAdapter == null) return false;
return mSwipeRefreshLayout.isRefreshing() || mAdapter.isLoadMoreIndicatorVisible();
}
private void addReadPosition(final int firstVisibleItem) {
if (mFirstVisibleItem != firstVisibleItem) {
mReadPositions.add(firstVisibleItem);
}
mFirstVisibleItem = firstVisibleItem;
}
private void addUnreadCountsToRemove(final long accountId, final long id) {
if (mUnreadCountsToRemove.indexOfKey(accountId) < 0) {
final Set<Long> counts = new HashSet<>();
counts.add(id);
mUnreadCountsToRemove.put(accountId, counts);
} else {
final Set<Long> counts = mUnreadCountsToRemove.get(accountId);
counts.add(id);
}
}
//
private void loadMoreMessages() {
if (isRefreshing()) return;
mAdapter.setLoadMoreIndicatorVisible(true);
mSwipeRefreshLayout.setEnabled(false);
AsyncTaskUtils.executeTask(new AsyncTask<Object, Object, long[][]>() {
@Override
protected long[][] doInBackground(final Object... params) {
final long[][] result = new long[3][];
result[0] = Utils.getActivatedAccountIds(getActivity());
result[1] = Utils.getOldestMessageIdsFromDatabase(getActivity(), DirectMessages.Inbox.CONTENT_URI);
result[2] = Utils.getOldestMessageIdsFromDatabase(getActivity(), DirectMessages.Outbox.CONTENT_URI);
return result;
}
@Override
protected void onPostExecute(final long[][] result) {
final AsyncTwitterWrapper twitter = getTwitterWrapper();
if (twitter == null) return;
twitter.getReceivedDirectMessagesAsync(result[0], result[1], null);
twitter.getSentDirectMessagesAsync(result[0], result[2], null);
}
});
}
public MessageEntriesAdapter getAdapter() {
return mAdapter;
}
@Override
public void setControlVisible(boolean visible) {
final FragmentActivity activity = getActivity();
if (activity instanceof BaseActionBarActivity) {
((BaseActionBarActivity) activity).setControlBarVisibleAnimate(visible);
}
}
@Override
public void onLoadMoreContents() {
loadMoreMessages();
}
private void removeUnreadCounts() {
if (mRemoveUnreadCountsTask != null && mRemoveUnreadCountsTask.getStatus() == AsyncTask.Status.RUNNING)
return;
mRemoveUnreadCountsTask = new RemoveUnreadCountsTask(mReadPositions, this);
AsyncTaskUtils.executeTask(mRemoveUnreadCountsTask);
}
static class RemoveUnreadCountsTask extends AsyncTask<Object, Object, Object> {
private final Set<Integer> read_positions;
private final MessageEntriesAdapter adapter;
private final DirectMessagesFragment fragment;
RemoveUnreadCountsTask(final Set<Integer> read_positions, final DirectMessagesFragment fragment) {
this.read_positions = Collections.synchronizedSet(new HashSet<>(read_positions));
this.fragment = fragment;
adapter = fragment.getAdapter();
}
@Override
protected Object doInBackground(final Object... params) {
for (final int pos : read_positions) {
final DirectMessageEntry entry = adapter.getEntry(pos);
final long id = entry.conversation_id, account_id = entry.account_id;
fragment.addUnreadCountsToRemove(account_id, id);
}
return null;
}
@Override
protected void onPostExecute(final Object result) {
final AsyncTwitterWrapper twitter = fragment.getTwitterWrapper();
if (twitter != null) {
twitter.removeUnreadCountsAsync(fragment.getTabPosition(), fragment.getUnreadCountsToRemove());
}
}
}
}