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/*
* Copyright (C) 2013 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.dialer.list;
import android.app.Activity;
import android.app.Fragment;
import android.app.LoaderManager;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.graphics.Rect;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewTreeObserver;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.TextView;
import com.android.contacts.common.ContactPhotoManager;
import com.android.contacts.common.ContactTileLoaderFactory;
import com.android.contacts.common.GeoUtil;
import com.android.contacts.common.list.ContactEntry;
import com.android.contacts.common.list.ContactTileView;
import com.android.dialer.R;
import com.android.dialer.calllog.ContactInfoHelper;
import com.android.dialer.calllog.CallLogAdapter;
import com.android.dialer.calllog.CallLogQueryHandler;
import com.android.dialer.list.PhoneFavoritesTileAdapter.ContactTileRow;
import com.android.dialerbind.ObjectFactory;
import java.util.ArrayList;
import java.util.HashMap;
/**
* Fragment for Phone UI's favorite screen.
*
* This fragment contains three kinds of contacts in one screen: "starred", "frequent", and "all"
* contacts. To show them at once, this merges results from {@link com.android.contacts.common.list.ContactTileAdapter} and
* {@link com.android.contacts.common.list.PhoneNumberListAdapter} into one unified list using {@link PhoneFavoriteMergedAdapter}.
* A contact filter header is also inserted between those adapters' results.
*/
public class PhoneFavoriteFragment extends Fragment implements OnItemClickListener,
CallLogQueryHandler.Listener, CallLogAdapter.CallFetcher,
PhoneFavoritesTileAdapter.OnDataSetChangedForAnimationListener {
private static final String TAG = PhoneFavoriteFragment.class.getSimpleName();
private static final boolean DEBUG = true;
private static final int ANIMATION_DURATION = 300;
/**
* Used with LoaderManager.
*/
private static int LOADER_ID_CONTACT_TILE = 1;
public interface OnShowAllContactsListener {
public void onShowAllContacts();
}
public interface Listener {
public void onContactSelected(Uri contactUri);
public void onCallNumberDirectly(String phoneNumber);
}
private class ContactTileLoaderListener implements LoaderManager.LoaderCallbacks<Cursor> {
@Override
public CursorLoader onCreateLoader(int id, Bundle args) {
if (DEBUG) Log.d(TAG, "ContactTileLoaderListener#onCreateLoader.");
return ContactTileLoaderFactory.createStrequentPhoneOnlyLoader(getActivity());
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
if (DEBUG) Log.d(TAG, "ContactTileLoaderListener#onLoadFinished");
mContactTileAdapter.setContactCursor(data);
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
if (DEBUG) Log.d(TAG, "ContactTileLoaderListener#onLoaderReset. ");
}
}
private class ContactTileAdapterListener implements ContactTileView.Listener {
@Override
public void onContactSelected(Uri contactUri, Rect targetRect) {
if (mListener != null) {
mListener.onContactSelected(contactUri);
}
}
@Override
public void onCallNumberDirectly(String phoneNumber) {
if (mListener != null) {
mListener.onCallNumberDirectly(phoneNumber);
}
}
@Override
public int getApproximateTileWidth() {
return getView().getWidth() / mContactTileAdapter.getColumnCount();
}
}
private class ScrollListener implements ListView.OnScrollListener {
@Override
public void onScroll(AbsListView view,
int firstVisibleItem, int visibleItemCount, int totalItemCount) {
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
mActivityScrollListener.onListFragmentScrollStateChange(scrollState);
}
}
private Listener mListener;
private OnListFragmentScrolledListener mActivityScrollListener;
private OnShowAllContactsListener mShowAllContactsListener;
private PhoneFavoriteMergedAdapter mAdapter;
private PhoneFavoritesTileAdapter mContactTileAdapter;
private CallLogAdapter mCallLogAdapter;
private CallLogQueryHandler mCallLogQueryHandler;
private TextView mEmptyView;
private SwipeableListView mListView;
private View mShowAllContactsButton;
private final HashMap<Long, Integer> mItemIdTopMap = new HashMap<Long, Integer>();
private final HashMap<Long, Integer> mItemIdLeftMap = new HashMap<Long, Integer>();
/**
* Layout used when contacts load is slower than expected and thus "loading" view should be
* shown.
*/
private View mLoadingView;
private final ContactTileView.Listener mContactTileAdapterListener =
new ContactTileAdapterListener();
private final LoaderManager.LoaderCallbacks<Cursor> mContactTileLoaderListener =
new ContactTileLoaderListener();
private final ScrollListener mScrollListener = new ScrollListener();
@Override
public void onAttach(Activity activity) {
if (DEBUG) Log.d(TAG, "onAttach()");
super.onAttach(activity);
// Construct two base adapters which will become part of PhoneFavoriteMergedAdapter.
// We don't construct the resultant adapter at this moment since it requires LayoutInflater
// that will be available on onCreateView().
mContactTileAdapter = new PhoneFavoritesTileAdapter(activity, mContactTileAdapterListener,
this,
getResources().getInteger(R.integer.contact_tile_column_count_in_favorites_new),
1);
mContactTileAdapter.setPhotoLoader(ContactPhotoManager.getInstance(activity));
}
@Override
public void onCreate(Bundle savedState) {
if (DEBUG) Log.d(TAG, "onCreate()");
super.onCreate(savedState);
mCallLogQueryHandler = new CallLogQueryHandler(getActivity().getContentResolver(),
this, 1);
final String currentCountryIso = GeoUtil.getCurrentCountryIso(getActivity());
mCallLogAdapter = ObjectFactory.newCallLogAdapter(getActivity(), this,
new ContactInfoHelper(getActivity(), currentCountryIso), true, false);
setHasOptionsMenu(true);
}
@Override
public void onResume() {
super.onResume();
mCallLogQueryHandler.fetchNewCalls(CallLogQueryHandler.CALL_TYPE_ALL);
mCallLogAdapter.setLoading(true);
getLoaderManager().getLoader(LOADER_ID_CONTACT_TILE).forceLoad();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View listLayout = inflater.inflate(
R.layout.phone_favorites_fragment, container, false);
mListView = (SwipeableListView) listLayout.findViewById(R.id.contact_tile_list);
mListView.setItemsCanFocus(true);
mListView.setOnItemClickListener(this);
mListView.setVerticalScrollBarEnabled(false);
mListView.setVerticalScrollbarPosition(View.SCROLLBAR_POSITION_RIGHT);
mListView.setScrollBarStyle(ListView.SCROLLBARS_OUTSIDE_OVERLAY);
mListView.setOnItemSwipeListener(mContactTileAdapter);
mLoadingView = inflater.inflate(R.layout.phone_loading_contacts, mListView, false);
mShowAllContactsButton = inflater.inflate(R.layout.show_all_contact_button, mListView,
false);
mShowAllContactsButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
showAllContacts();
}
});
mAdapter = new PhoneFavoriteMergedAdapter(getActivity(), mContactTileAdapter,
mCallLogAdapter, mLoadingView, mShowAllContactsButton);
mListView.setAdapter(mAdapter);
mListView.setOnScrollListener(mScrollListener);
mListView.setFastScrollEnabled(false);
mListView.setFastScrollAlwaysVisible(false);
mEmptyView = (TextView) listLayout.findViewById(R.id.contact_tile_list_empty);
mEmptyView.setText(getString(R.string.listTotalAllContactsZero));
mListView.setEmptyView(mEmptyView);
return listLayout;
}
public boolean hasFrequents() {
if (mContactTileAdapter == null) return false;
return mContactTileAdapter.getNumFrequents() > 0;
}
@Override
public void onStart() {
super.onStart();
final Activity activity = getActivity();
try {
mActivityScrollListener = (OnListFragmentScrolledListener) activity;
} catch (ClassCastException e) {
throw new ClassCastException(activity.toString()
+ " must implement OnListFragmentScrolledListener");
}
try {
mShowAllContactsListener = (OnShowAllContactsListener) activity;
} catch (ClassCastException e) {
throw new ClassCastException(activity.toString()
+ " must implement OnShowAllContactsListener");
}
// Use initLoader() instead of restartLoader() to refraining unnecessary reload.
// This method call implicitly assures ContactTileLoaderListener's onLoadFinished() will
// be called, on which we'll check if "all" contacts should be reloaded again or not.
getLoaderManager().initLoader(LOADER_ID_CONTACT_TILE, null, mContactTileLoaderListener);
}
/**
* {@inheritDoc}
*
* This is only effective for elements provided by {@link #mContactTileAdapter}.
* {@link #mContactTileAdapter} has its own logic for click events.
*/
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
final int contactTileAdapterCount = mContactTileAdapter.getCount();
if (position <= contactTileAdapterCount) {
Log.e(TAG, "onItemClick() event for unexpected position. "
+ "The position " + position + " is before \"all\" section. Ignored.");
}
}
/**
* Gets called when user click on the show all contacts button.
*/
private void showAllContacts() {
mShowAllContactsListener.onShowAllContacts();
}
public void setListener(Listener listener) {
mListener = listener;
}
// TODO krelease: Implement this
@Override
public void onVoicemailStatusFetched(Cursor statusCursor) {
}
@Override
public void onCallsFetched(Cursor cursor) {
mCallLogAdapter.setLoading(false);
mCallLogAdapter.changeCursor(cursor);
mAdapter.notifyDataSetChanged();
}
// TODO krelease: Implement this
@Override
public void fetchCalls() {
}
@Override
public void onPause() {
// If there are any pending contact entries that are to be removed, remove them
mContactTileAdapter.removePendingContactEntry();
super.onPause();
}
/**
* Saves the current view offsets into memory
*/
@SuppressWarnings("unchecked")
private void saveOffsets(long... idsInPlace) {
final int firstVisiblePosition = mListView.getFirstVisiblePosition();
if (DEBUG) {
Log.d(TAG, "Child count : " + mListView.getChildCount());
}
for (int i = 0; i < mListView.getChildCount(); i++) {
final View child = mListView.getChildAt(i);
final int position = firstVisiblePosition + i;
final long itemId = mAdapter.getItemId(position);
final int itemViewType = mAdapter.getItemViewType(position);
if (itemViewType == PhoneFavoritesTileAdapter.ViewTypes.TOP) {
// This is a tiled row, so save horizontal offsets instead
saveHorizontalOffsets((ContactTileRow) child, (ArrayList<ContactEntry>)
mAdapter.getItem(position), idsInPlace);
}
if (DEBUG) {
Log.d(TAG, "Saving itemId: " + itemId + " for listview child " + i + " Top: "
+ child.getTop());
}
mItemIdTopMap.put(itemId, child.getTop());
}
}
private void saveHorizontalOffsets(ContactTileRow row, ArrayList<ContactEntry> list,
long... idsInPlace) {
for (int i = 0; i < list.size(); i++) {
final View child = row.getChildAt(i);
final ContactEntry entry = list.get(i);
final long itemId = mContactTileAdapter.getAdjustedItemId(entry.id);
if (DEBUG) {
Log.d(TAG, "Saving itemId: " + itemId + " for tileview child " + i + " Left: "
+ child.getTop());
}
mItemIdLeftMap.put(itemId, child.getLeft());
}
}
/*
* Performs a animations for a row of tiles
*/
private void performHorizontalAnimations(ContactTileRow row, ArrayList<ContactEntry> list,
long[] idsInPlace) {
if (mItemIdLeftMap.isEmpty()) {
return;
}
for (int i = 0; i < list.size(); i++) {
final View child = row.getChildAt(i);
final ContactEntry entry = list.get(i);
final long itemId = mContactTileAdapter.getAdjustedItemId(entry.id);
// Skip animation for this view if the caller specified that it should be
// kept in place
if (containsId(idsInPlace, itemId)) continue;
Integer startLeft = mItemIdLeftMap.get(itemId);
int left = child.getLeft();
if (DEBUG) {
Log.d(TAG, "Found itemId: " + itemId + " for tileview child " + i +
" Left: " + left);
}
if (startLeft != null) {
if (startLeft != left) {
int delta = startLeft - left;
child.setTranslationX(delta);
child.animate().setDuration(ANIMATION_DURATION).translationX(0);
}
}
// No need to worry about horizontal offsets of new views that come into view since
// there is no horizontal scrolling involved.
}
}
/*
* Performs animations for the list view. If the list item is a row of tiles, horizontal
* animations will be performed instead.
*/
private void animateListView(final long... idsInPlace) {
if (mItemIdTopMap.isEmpty()) {
// Don't do animations if the database is being queried for the first time and
// the previous item offsets have not been cached, or the user hasn't done anything
// (dragging, swiping etc) that requires an animation.
return;
}
final ViewTreeObserver observer = mListView.getViewTreeObserver();
observer.addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {
@SuppressWarnings("unchecked")
@Override
public boolean onPreDraw() {
observer.removeOnPreDrawListener(this);
final int firstVisiblePosition = mListView.getFirstVisiblePosition();
for (int i = 0; i < mListView.getChildCount(); i++) {
final View child = mListView.getChildAt(i);
int position = firstVisiblePosition + i;
final int itemViewType = mAdapter.getItemViewType(position);
if (itemViewType == PhoneFavoritesTileAdapter.ViewTypes.TOP) {
// This is a tiled row, so perform horizontal animations instead
performHorizontalAnimations((ContactTileRow) child, (
ArrayList<ContactEntry>) mAdapter.getItem(position), idsInPlace);
}
final long itemId = mAdapter.getItemId(position);
// Skip animation for this view if the caller specified that it should be
// kept in place
if (containsId(idsInPlace, itemId)) continue;
Integer startTop = mItemIdTopMap.get(itemId);
final int top = child.getTop();
if (DEBUG) {
Log.d(TAG, "Found itemId: " + itemId + " for listview child " + i +
" Top: " + top);
}
int delta = 0;
if (startTop != null) {
if (startTop != top) {
delta = startTop - top;
}
} else if (!mItemIdLeftMap.containsKey(itemId)) {
// Animate new views along with the others. The catch is that they did not
// exist in the start state, so we must calculate their starting position
// based on neighboring views.
int childHeight = child.getHeight() + mListView.getDividerHeight();
startTop = top + (i > 0 ? childHeight : -childHeight);
delta = startTop - top;
}
if (delta != 0) {
child.setTranslationY(delta);
child.animate().setDuration(ANIMATION_DURATION).translationY(0);
}
}
mItemIdTopMap.clear();
mItemIdLeftMap.clear();
return true;
}
});
}
private boolean containsId(long[] ids, long target) {
// Linear search on array is fine because this is typically only 0-1 elements long
for (int i = 0; i < ids.length; i++) {
if (ids[i] == target) {
return true;
}
}
return false;
}
@Override
public void onDataSetChangedForAnimation(long... idsInPlace) {
animateListView(idsInPlace);
}
@Override
public void cacheOffsetsForDatasetChange() {
saveOffsets();
}
}
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