fr.mixit.android.ui.fragments.MembersListFragment.java Source code

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Here is the source code for fr.mixit.android.ui.fragments.MembersListFragment.java

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/*
 * Copyright 2011 - 2013 Mathieu Calba
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package fr.mixit.android.ui.fragments;

import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Message;
import android.os.RemoteException;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.ViewAnimator;

import com.nostra13.universalimageloader.core.ImageLoader;

import fr.mixit.android.provider.MixItContract;
import fr.mixit.android.services.MixItService;
import fr.mixit.android.ui.MembersActivity;
import fr.mixit.android.ui.adapters.MembersAdapter;
import fr.mixit.android.utils.UIUtils;
import fr.mixit.android_2012.R;

public class MembersListFragment extends BoundServiceFragment
        implements LoaderManager.LoaderCallbacks<Cursor>, OnItemClickListener {

    public static final String TAG = MembersListFragment.class.getSimpleName();

    protected static final int CURSOR_MEMBERS = 1003;

    protected static final String STATE_CHECKED_POSITION = "fr.mixit.android.STATE_CHECKED_POSITION";

    protected ViewAnimator mAnimator;
    protected ListView mListView;
    protected MembersAdapter mAdapter;

    protected ImageLoader mImageLoader = ImageLoader.getInstance();

    protected int mCheckedPosition = -1;
    protected int mMode = MembersActivity.DISPLAY_MODE_ALL_MEMBERS;
    protected boolean mIsFirstLoad = true;

    public static MembersListFragment newInstance(Intent intent) {
        final MembersListFragment f = new MembersListFragment();
        f.setArguments(UIUtils.intentToFragmentArguments(intent));
        return f;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        final View root = inflater.inflate(R.layout.list_content, container, false);

        mAnimator = (ViewAnimator) root.findViewById(R.id.list_animator);
        mListView = (ListView) root.findViewById(android.R.id.list);
        ((TextView) root.findViewById(android.R.id.empty)).setText(R.string.empty_members);

        return root;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        mListView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
        // getListView().setDrawingCacheEnabled(false);

        if (savedInstanceState != null) {
            mCheckedPosition = savedInstanceState.getInt(STATE_CHECKED_POSITION, -1);
        }

        mAdapter = new MembersAdapter(getActivity());
        mListView.setAdapter(mAdapter);
        mListView.setOnItemClickListener(this);
    }

    @Override
    public void onStart() {
        super.onStart();

        reload();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();

        mImageLoader.stop();
        // if (mIsFirstLoad) {
        // refreshMembersData();
        // }
    }

    public void reload() {
        restartLoader(CURSOR_MEMBERS, getArguments(), this);
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt(STATE_CHECKED_POSITION, mCheckedPosition);
    }

    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        if (id == CURSOR_MEMBERS) {
            final Intent i = UIUtils.fragmentArgumentsToIntent(args);
            Uri membersUri = i.getData();
            String selection = null;
            String sortOrder = MixItContract.Members.DEFAULT_SORT;
            if (membersUri == null) {
                switch (mMode) {
                case MembersActivity.DISPLAY_MODE_ALL_MEMBERS:
                    membersUri = MixItContract.Members.CONTENT_URI;
                    break;

                case MembersActivity.DISPLAY_MODE_SPEAKERS:
                    membersUri = MixItContract.Members.CONTENT_URI_SPEAKERS;
                    break;

                case MembersActivity.DISPLAY_MODE_STAFF:
                    membersUri = MixItContract.Members.CONTENT_URI_STAFF;
                    break;

                case MembersActivity.DISPLAY_MODE_LINKERS: {
                    final int memberId = i.getIntExtra(MembersActivity.EXTRA_MEMBER_ID, -1);
                    if (memberId == -1) {
                        if (DEBUG_MODE) {
                            Log.e(TAG, "Member Linkers without member id...");
                        }
                        return null;
                    }

                    membersUri = MixItContract.Members.buildLinkersDirUri(String.valueOf(memberId));
                    break;
                }

                case MembersActivity.DISPLAY_MODE_LINKS: {
                    final int memberId = i.getIntExtra(MembersActivity.EXTRA_MEMBER_ID, -1);
                    if (memberId == -1) {
                        if (DEBUG_MODE) {
                            Log.e(TAG, "Member Linkers without member id...");
                        }
                        return null;
                    }

                    membersUri = MixItContract.Members.buildLinksDirUri(String.valueOf(memberId));
                    break;
                }

                case MembersActivity.DISPLAY_MODE_SPONSORS: {
                    membersUri = MixItContract.Members.CONTENT_URI;
                    final StringBuilder sb = new StringBuilder(MixItContract.Members.TYPE);
                    sb.append(" = ");
                    sb.append(MixItContract.Members.TYPE_SPONSOR);
                    selection = sb.toString();

                    sortOrder = MixItContract.Members.SPONSORS_SORT;

                    break;
                }

                default:
                    break;
                }
            }
            return new CursorLoader(getActivity(), membersUri, MixItContract.Members.PROJ_LIST.PROJECTION,
                    selection, null, sortOrder);
        }
        return null;
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        final int id = loader.getId();
        if (id == CURSOR_MEMBERS) {
            if (data == null) {
                switch (mAnimator.getDisplayedChild()) {
                case 0:
                    mAnimator.showPrevious();
                    break;

                case 1:
                    mAnimator.showNext();
                    break;

                default:
                    break;
                }
            } else {
                switch (mAnimator.getDisplayedChild()) {
                case 0:
                    mAnimator.showNext();
                    break;

                case 2:
                    mAnimator.showPrevious();
                    break;

                default:
                    break;
                }
            }
            mAdapter.swapCursor(data);

            if (mCheckedPosition >= 0 && getView() != null) {
                mListView.setItemChecked(mCheckedPosition, true);
            }
        }
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        final int id = loader.getId();
        if (id == CURSOR_MEMBERS) {
            mAdapter.swapCursor(null);
        }
    }

    @Override
    public void onItemClick(AdapterView<?> adapter, View v, int position, long id) {
        final Cursor cursor = (Cursor) mAdapter.getItem(position);
        final String memberId = cursor.getString(MixItContract.Members.PROJ_LIST.MEMBER_ID);
        final Uri memberUri = MixItContract.Members.buildMemberUri(memberId);
        final Intent intent = new Intent(Intent.ACTION_VIEW, memberUri);
        startActivity(intent);

        mListView.setItemChecked(position, true);
        mCheckedPosition = position;
    }

    protected void refreshMembersData() {
        if (mIsBound && mServiceReady) {
            setRefreshMode(true);

            final Message msg = Message.obtain(null, MixItService.MSG_MEMBERS, 0, 0);
            msg.replyTo = mMessenger;
            final Bundle b = new Bundle();
            msg.setData(b);
            try {
                mService.send(msg);
            } catch (final RemoteException e) {
                e.printStackTrace();
            }

            mIsFirstLoad = false;
        } else {
            setRefreshMode(false);
        }
    }

    @Override
    protected void onMessageReceivedFromService(Message msg) {
        if (msg.what == MixItService.MSG_MEMBERS) {
            setRefreshMode(false);
            switch (msg.arg1) {
            case MixItService.Response.STATUS_OK:
                // normally don't need to do that because cursor is automatically refreshed thanks to the CursorLoader and the ContentProvider notifying
                // cursor of change in their data by uri
                // restartLoader(CURSOR_MEMBERS, getArguments(), this);
                break;

            case MixItService.Response.STATUS_ERROR:
                break;

            case MixItService.Response.STATUS_NO_CONNECTIVITY:
                break;

            default:
                break;
            }
        }
    }

    public void clearCheckedPosition() {
        if (mCheckedPosition >= 0) {
            mListView.setItemChecked(mCheckedPosition, false);
            mCheckedPosition = -1;
        }
    }

    public void setDisplayMode(int displayMode) {
        mMode = displayMode;

        mIsFirstLoad = true;

        clearCheckedPosition();
    }

}