104 lines
4.0 KiB
Java
104 lines
4.0 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.messaging.datamodel.data;
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import android.app.LoaderManager;
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import android.content.Context;
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import android.content.Loader;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Bundle;
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import com.android.messaging.datamodel.BoundCursorLoader;
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import com.android.messaging.datamodel.DatabaseHelper.ParticipantColumns;
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import com.android.messaging.datamodel.MessagingContentProvider;
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import com.android.messaging.datamodel.binding.BindableData;
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import com.android.messaging.datamodel.binding.BindingBase;
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import com.android.messaging.util.Assert;
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/**
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* Services data needs for BlockedParticipantsFragment
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*/
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public class BlockedParticipantsData extends BindableData implements
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LoaderManager.LoaderCallbacks<Cursor> {
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public interface BlockedParticipantsDataListener {
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public void onBlockedParticipantsCursorUpdated(final Cursor cursor);
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}
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private static final String BINDING_ID = "bindingId";
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private static final int BLOCKED_PARTICIPANTS_LOADER = 1;
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private final Context mContext;
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private LoaderManager mLoaderManager;
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private BlockedParticipantsDataListener mListener;
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public BlockedParticipantsData(final Context context,
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final BlockedParticipantsDataListener listener) {
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mContext = context;
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mListener = listener;
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}
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@Override
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public Loader<Cursor> onCreateLoader(final int id, final Bundle args) {
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Assert.isTrue(id == BLOCKED_PARTICIPANTS_LOADER);
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final String bindingId = args.getString(BINDING_ID);
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// Check if data still bound to the requesting ui element
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if (isBound(bindingId)) {
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final Uri uri = MessagingContentProvider.PARTICIPANTS_URI;
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return new BoundCursorLoader(bindingId, mContext, uri,
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ParticipantData.ParticipantsQuery.PROJECTION,
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ParticipantColumns.BLOCKED + "=1", null, null);
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}
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return null;
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}
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@Override
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public void onLoadFinished(final Loader<Cursor> loader, final Cursor cursor) {
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Assert.isTrue(loader.getId() == BLOCKED_PARTICIPANTS_LOADER);
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final BoundCursorLoader cursorLoader = (BoundCursorLoader) loader;
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Assert.isTrue(isBound(cursorLoader.getBindingId()));
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mListener.onBlockedParticipantsCursorUpdated(cursor);
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}
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@Override
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public void onLoaderReset(final Loader<Cursor> loader) {
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Assert.isTrue(loader.getId() == BLOCKED_PARTICIPANTS_LOADER);
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final BoundCursorLoader cursorLoader = (BoundCursorLoader) loader;
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Assert.isTrue(isBound(cursorLoader.getBindingId()));
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mListener.onBlockedParticipantsCursorUpdated(null);
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}
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public void init(final LoaderManager loaderManager,
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final BindingBase<BlockedParticipantsData> binding) {
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final Bundle args = new Bundle();
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args.putString(BINDING_ID, binding.getBindingId());
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mLoaderManager = loaderManager;
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mLoaderManager.initLoader(BLOCKED_PARTICIPANTS_LOADER, args, this);
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}
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@Override
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protected void unregisterListeners() {
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mListener = null;
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if (mLoaderManager != null) {
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mLoaderManager.destroyLoader(BLOCKED_PARTICIPANTS_LOADER);
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mLoaderManager = null;
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}
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}
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public ParticipantListItemData createParticipantListItemData(Cursor cursor) {
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return new ParticipantListItemData(ParticipantData.getFromCursor(cursor));
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}
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}
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