/*
* Copyright (C) 2011 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.contacts.detail;
import com.android.contacts.ContactLoader;
import com.android.contacts.R;
import com.android.contacts.activities.ContactDetailActivity.FragmentKeyListener;
import com.android.contacts.detail.ContactDetailDisplayUtils.StreamPhotoTag;
import com.android.contacts.model.AccountType;
import com.android.contacts.model.AccountTypeManager;
import com.android.contacts.util.StreamItemEntry;
import android.app.ListFragment;
import android.content.ContentUris;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract.StreamItems;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AbsListView.OnScrollListener;
import android.widget.ListView;
public class ContactDetailUpdatesFragment extends ListFragment
implements FragmentKeyListener, ViewOverlay {
private static final String TAG = "ContactDetailUpdatesFragment";
private ContactLoader.Result mContactData;
private Uri mLookupUri;
private LayoutInflater mInflater;
private StreamItemAdapter mStreamItemAdapter;
private float mInitialAlphaValue;
/**
* This optional view adds an alpha layer over the entire fragment.
*/
private View mAlphaLayer;
/**
* This optional view adds a layer over the entire fragment so that when visible, it intercepts
* all touch events on the fragment.
*/
private View mTouchInterceptLayer;
private OnScrollListener mVerticalScrollListener;
/**
* Listener on clicks on a stream item.
* <p>
* It assumes the view has a tag of type {@link StreamItemEntry} associated with it.
*/
private final View.OnClickListener mStreamItemClickListener = new View.OnClickListener() {
@Override
public void onClick(View view) {
StreamItemEntry streamItemEntry = (StreamItemEntry) view.getTag();
if (streamItemEntry == null) {
// Ignore if this item does not have a stream item associated with it.
return;
}
final AccountType accountType = getAccountTypeForStreamItemEntry(streamItemEntry);
final Uri uri = ContentUris.withAppendedId(StreamItems.CONTENT_URI,
streamItemEntry.getId());
final Intent intent = new Intent(Intent.ACTION_VIEW, uri);
intent.setClassName(accountType.resPackageName,
accountType.getViewStreamItemActivity());
startActivity(intent);
}
};
private final View.OnClickListener mStreamItemPhotoItemClickListener
= new View.OnClickListener() {
@Override
public void onClick(View view) {
StreamPhotoTag tag = (StreamPhotoTag) view.getTag();
if (tag == null) {
return;
}
final AccountType accountType = getAccountTypeForStreamItemEntry(tag.streamItem);
final Intent intent = new Intent(Intent.ACTION_VIEW, tag.getStreamItemPhotoUri());
intent.setClassName(accountType.resPackageName,
accountType.getViewStreamItemPhotoActivity());
startActivity(intent);
}
};
private AccountType getAccountTypeForStreamItemEntry(StreamItemEntry streamItemEntry) {
return AccountTypeManager.getInstance(getActivity()).getAccountType(
streamItemEntry.getAccountType(), streamItemEntry.getDataSet());
}
public ContactDetailUpdatesFragment() {
// Explicit constructor for inflation
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedState) {
mInflater = inflater;
View rootView = mInflater.inflate(R.layout.contact_detail_updates_fragment, container,
false);
mTouchInterceptLayer = rootView.findViewById(R.id.touch_intercept_overlay);
mAlphaLayer = rootView.findViewById(R.id.alpha_overlay);
ContactDetailDisplayUtils.setAlphaOnViewBackground(mAlphaLayer, mInitialAlphaValue);
return rootView;
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
mStreamItemAdapter = new StreamItemAdapter(getActivity(), mStreamItemClickListener,
mStreamItemPhotoItemClickListener);
setListAdapter(mStreamItemAdapter);
getListView().setOnScrollListener(mVerticalScrollListener);
// It is possible that the contact data was set to the fragment when it was first attached
// to the activity, but before this method was called because the fragment was not
// visible on screen yet (i.e. using a {@link ViewPager}), so display the data if we already
// have it.
if (mContactData != null) {
mStreamItemAdapter.setStreamItems(mContactData.getStreamItems());
}
}
public void setData(Uri lookupUri, ContactLoader.Result result) {
if (result == null) {
return;
}
mLookupUri = lookupUri;
mContactData = result;
// If the adapter has been created already, then try to set stream items. Otherwise,
// wait for the adapter to get initialized, after which we will try to set the stream items
// again.
if (mStreamItemAdapter != null) {
mStreamItemAdapter.setStreamItems(mContactData.getStreamItems());
}
}
/**
* Reset the list adapter in this {@link Fragment} to get rid of any saved scroll position
* from a previous contact.
*/
public void resetAdapter() {
setListAdapter(mStreamItemAdapter);
}
@Override
public void setAlphaLayerValue(float alpha) {
// If the alpha layer is not ready yet, store it for later when the view is initialized
if (mAlphaLayer == null) {
mInitialAlphaValue = alpha;
} else {
// Otherwise set the value immediately
ContactDetailDisplayUtils.setAlphaOnViewBackground(mAlphaLayer, alpha);
}
}
@Override
public void enableTouchInterceptor(OnClickListener clickListener) {
if (mTouchInterceptLayer != null) {
mTouchInterceptLayer.setVisibility(View.VISIBLE);
mTouchInterceptLayer.setOnClickListener(clickListener);
}
}
@Override
public void disableTouchInterceptor() {
if (mTouchInterceptLayer != null) {
mTouchInterceptLayer.setVisibility(View.GONE);
}
}
@Override
public boolean handleKeyDown(int keyCode) {
return false;
}
public void setVerticalScrollListener(OnScrollListener listener) {
mVerticalScrollListener = listener;
}
/**
* Returns the top coordinate of the first item in the {@link ListView}. If the first item
* in the {@link ListView} is not visible or there are no children in the list, then return
* Integer.MIN_VALUE. Note that the returned value will be <= 0 because the first item in the
* list cannot have a positive offset.
*/
public int getFirstListItemOffset() {
return ContactDetailDisplayUtils.getFirstListItemOffset(getListView());
}
/**
* Tries to scroll the first item to the given offset (this can be a no-op if the list is
* already in the correct position).
* @param offset which should be <= 0
*/
public void requestToMoveToOffset(int offset) {
ContactDetailDisplayUtils.requestToMoveToOffset(getListView(), offset);
}
}