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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 com.android.messaging.ui;
import android.app.Fragment;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnLayoutChangeListener;
import android.view.ViewGroup;
import android.widget.ExpandableListAdapter;
import android.widget.ExpandableListView;
import android.widget.ExpandableListView.OnChildClickListener;
import com.android.messaging.R;
import com.android.messaging.datamodel.DataModel;
import com.android.messaging.datamodel.MediaScratchFileProvider;
import com.android.messaging.datamodel.binding.Binding;
import com.android.messaging.datamodel.binding.BindingBase;
import com.android.messaging.datamodel.data.PersonItemData;
import com.android.messaging.datamodel.data.VCardContactItemData;
import com.android.messaging.datamodel.data.PersonItemData.PersonItemDataListener;
import com.android.messaging.util.Assert;
import com.android.messaging.util.SafeAsyncTask;
import com.android.messaging.util.UiUtils;
import com.android.messaging.util.UriUtil;
/**
* A fragment that shows the content of a VCard that contains one or more contacts.
*/
public class VCardDetailFragment extends Fragment implements PersonItemDataListener {
private final Binding<VCardContactItemData> mBinding =
BindingBase.createBinding(this);
private ExpandableListView mListView;
private VCardDetailAdapter mAdapter;
private Uri mVCardUri;
/**
* We need to persist the VCard in the scratch directory before letting the user view it.
* We save this Uri locally, so that if the user cancels the action and re-perform the add
* to contacts action we don't have to persist it again.
*/
private Uri mScratchSpaceUri;
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setHasOptionsMenu(true);
}
@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
final Bundle savedInstanceState) {
Assert.notNull(mVCardUri);
final View view = inflater.inflate(R.layout.vcard_detail_fragment, container, false);
mListView = (ExpandableListView) view.findViewById(R.id.list);
mListView.addOnLayoutChangeListener(new OnLayoutChangeListener() {
@Override
public void onLayoutChange(final View v, final int left, final int top, final int right,
final int bottom, final int oldLeft, final int oldTop, final int oldRight,
final int oldBottom) {
mListView.setIndicatorBounds(mListView.getWidth() - getResources()
.getDimensionPixelSize(R.dimen.vcard_detail_group_indicator_width),
mListView.getWidth());
}
});
mListView.setOnChildClickListener(new OnChildClickListener() {
@Override
public boolean onChildClick(ExpandableListView expandableListView, View clickedView,
int groupPosition, int childPosition, long childId) {
if (!(clickedView instanceof PersonItemView)) {
return false;
}
final Intent intent = ((PersonItemView) clickedView).getClickIntent();
if (intent != null) {
try {
startActivity(intent);
} catch (ActivityNotFoundException e) {
return false;
}
return true;
}
return false;
}
});
mBinding.bind(DataModel.get().createVCardContactItemData(getActivity(), mVCardUri));
mBinding.getData().setListener(this);
return view;
}
@Override
public void onDestroy() {
super.onDestroy();
if (mBinding.isBound()) {
mBinding.unbind();
}
mListView.setAdapter((ExpandableListAdapter) null);
}
private boolean shouldShowAddToContactsItem() {
return mBinding.isBound() && mBinding.getData().hasValidVCard();
}
@Override
public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
super.onCreateOptionsMenu(menu, inflater);
inflater.inflate(R.menu.vcard_detail_fragment_menu, menu);
final MenuItem addToContactsItem = menu.findItem(R.id.action_add_contact);
addToContactsItem.setVisible(shouldShowAddToContactsItem());
}
@Override
public boolean onOptionsItemSelected(final MenuItem item) {
switch (item.getItemId()) {
case R.id.action_add_contact:
mBinding.ensureBound();
final Uri vCardUri = mBinding.getData().getVCardUri();
// We have to do things in the background in case we need to copy the vcard data.
new SafeAsyncTask<Void, Void, Uri>() {
@Override
protected Uri doInBackgroundTimed(final Void... params) {
// We can't delete the persisted vCard file because we don't know when to
// delete it, since the app that uses it (contacts, dialer) may start or
// shut down at any point. Therefore, we rely on the system to clean up
// the cache directory for us.
return mScratchSpaceUri != null ? mScratchSpaceUri :
UriUtil.persistContentToScratchSpace(vCardUri);
}
@Override
protected void onPostExecute(final Uri result) {
if (result != null) {
mScratchSpaceUri = result;
if (getActivity() != null) {
MediaScratchFileProvider.addUriToDisplayNameEntry(
result, mBinding.getData().getDisplayName());
UIIntents.get().launchSaveVCardToContactsActivity(getActivity(),
result);
}
}
}
}.executeOnThreadPool();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
public void setVCardUri(final Uri vCardUri) {
Assert.isTrue(!mBinding.isBound());
mVCardUri = vCardUri;
}
@Override
public void onPersonDataUpdated(final PersonItemData data) {
Assert.isTrue(data instanceof VCardContactItemData);
mBinding.ensureBound();
final VCardContactItemData vCardData = (VCardContactItemData) data;
Assert.isTrue(vCardData.hasValidVCard());
mAdapter = new VCardDetailAdapter(getActivity(), vCardData.getVCardResource().getVCards());
mListView.setAdapter(mAdapter);
// Expand the contact card if there's only one contact.
if (mAdapter.getGroupCount() == 1) {
mListView.expandGroup(0);
}
getActivity().invalidateOptionsMenu();
}
@Override
public void onPersonDataFailed(final PersonItemData data, final Exception exception) {
mBinding.ensureBound();
UiUtils.showToastAtBottom(R.string.failed_loading_vcard);
getActivity().finish();
}
}
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