java/com/android/dialer/app/list/SpeedDialFragment.java - platform/packages/apps/Dialer - Gitiles

 /*
  * 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.app.list;

 import static android.Manifest.permission.READ_CONTACTS;

 import android.animation.Animator;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.app.Activity;
 import android.app.Fragment;
 import android.app.LoaderManager;
 import android.content.CursorLoader;
 import android.content.Loader;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.graphics.Rect;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.Trace;
 import android.support.annotation.Nullable;
 import android.support.v13.app.FragmentCompat;
 import android.support.v4.util.LongSparseArray;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.animation.AnimationUtils;
 import android.view.animation.LayoutAnimationController;
 import android.widget.AbsListView;
 import android.widget.AdapterView;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.FrameLayout;
 import android.widget.FrameLayout.LayoutParams;
 import android.widget.ImageView;
 import android.widget.ListView;
 import com.android.contacts.common.ContactPhotoManager;
 import com.android.contacts.common.ContactTileLoaderFactory;
 import com.android.contacts.common.list.ContactTileView;
 import com.android.contacts.common.list.OnPhoneNumberPickerActionListener;
 import com.android.dialer.app.R;
 import com.android.dialer.app.list.ListsFragment.ListsPage;
 import com.android.dialer.app.widget.EmptyContentView;
 import com.android.dialer.callintent.nano.CallInitiationType;
 import com.android.dialer.callintent.nano.CallSpecificAppData;
 import com.android.dialer.common.LogUtil;
 import com.android.dialer.util.PermissionsUtil;
 import com.android.dialer.util.ViewUtil;
 import java.util.ArrayList;

 /** This fragment displays the user's favorite/frequent contacts in a grid. */
 public class SpeedDialFragment extends Fragment
     implements ListsPage,
         OnItemClickListener,
         PhoneFavoritesTileAdapter.OnDataSetChangedForAnimationListener,
         EmptyContentView.OnEmptyViewActionButtonClickedListener,
         FragmentCompat.OnRequestPermissionsResultCallback {

   private static final int READ_CONTACTS_PERMISSION_REQUEST_CODE = 1;

   /**
    * By default, the animation code assumes that all items in a list view are of the same height
    * when animating new list items into view (e.g. from the bottom of the screen into view). This
    * can cause incorrect translation offsets when a item that is larger or smaller than other list
    * item is removed from the list. This key is used to provide the actual height of the removed
    * object so that the actual translation appears correct to the user.
    */
   private static final long KEY_REMOVED_ITEM_HEIGHT = Long.MAX_VALUE;

   private static final String TAG = "SpeedDialFragment";
   private static final boolean DEBUG = false;
   /** Used with LoaderManager. */
   private static final int LOADER_ID_CONTACT_TILE = 1;

   private final LongSparseArray<Integer> mItemIdTopMap = new LongSparseArray<>();
   private final LongSparseArray<Integer> mItemIdLeftMap = new LongSparseArray<>();
   private final ContactTileView.Listener mContactTileAdapterListener =
       new ContactTileAdapterListener();
   private final LoaderManager.LoaderCallbacks<Cursor> mContactTileLoaderListener =
       new ContactTileLoaderListener();
   private final ScrollListener mScrollListener = new ScrollListener();
   private int mAnimationDuration;
   private OnPhoneNumberPickerActionListener mPhoneNumberPickerActionListener;
   private OnListFragmentScrolledListener mActivityScrollListener;
   private PhoneFavoritesTileAdapter mContactTileAdapter;
   private View mParentView;
   private PhoneFavoriteListView mListView;
   private View mContactTileFrame;
   /** Layout used when there are no favorites. */
   private EmptyContentView mEmptyView;

   @Override
   public void onCreate(Bundle savedState) {
     if (DEBUG) {
       LogUtil.d("SpeedDialFragment.onCreate", null);
     }
     Trace.beginSection(TAG + " onCreate");
     super.onCreate(savedState);

     // 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(getActivity(), mContactTileAdapterListener, this);
     mContactTileAdapter.setPhotoLoader(ContactPhotoManager.getInstance(getActivity()));
     mAnimationDuration = getResources().getInteger(R.integer.fade_duration);
     Trace.endSection();
   }

   @Override
   public void onResume() {
     Trace.beginSection(TAG + " onResume");
     super.onResume();
     if (mContactTileAdapter != null) {
       mContactTileAdapter.refreshContactsPreferences();
     }
     if (PermissionsUtil.hasContactsPermissions(getActivity())) {
       if (getLoaderManager().getLoader(LOADER_ID_CONTACT_TILE) == null) {
         getLoaderManager().initLoader(LOADER_ID_CONTACT_TILE, null, mContactTileLoaderListener);

       } else {
         getLoaderManager().getLoader(LOADER_ID_CONTACT_TILE).forceLoad();
       }

       mEmptyView.setDescription(R.string.speed_dial_empty);
       mEmptyView.setActionLabel(R.string.speed_dial_empty_add_favorite_action);
     } else {
       mEmptyView.setDescription(R.string.permission_no_speeddial);
       mEmptyView.setActionLabel(R.string.permission_single_turn_on);
     }
     Trace.endSection();
   }

   @Override
   public View onCreateView(
       LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     Trace.beginSection(TAG + " onCreateView");
     mParentView = inflater.inflate(R.layout.speed_dial_fragment, container, false);

     mListView = (PhoneFavoriteListView) mParentView.findViewById(R.id.contact_tile_list);
     mListView.setOnItemClickListener(this);
     mListView.setVerticalScrollBarEnabled(false);
     mListView.setVerticalScrollbarPosition(View.SCROLLBAR_POSITION_RIGHT);
     mListView.setScrollBarStyle(ListView.SCROLLBARS_OUTSIDE_OVERLAY);
     mListView.getDragDropController().addOnDragDropListener(mContactTileAdapter);

     final ImageView dragShadowOverlay =
         (ImageView) getActivity().findViewById(R.id.contact_tile_drag_shadow_overlay);
     mListView.setDragShadowOverlay(dragShadowOverlay);

     mEmptyView = (EmptyContentView) mParentView.findViewById(R.id.empty_list_view);
     mEmptyView.setImage(R.drawable.empty_speed_dial);
     mEmptyView.setActionClickedListener(this);

     mContactTileFrame = mParentView.findViewById(R.id.contact_tile_frame);

     final LayoutAnimationController controller =
         new LayoutAnimationController(
             AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in));
     controller.setDelay(0);
     mListView.setLayoutAnimation(controller);
     mListView.setAdapter(mContactTileAdapter);

     mListView.setOnScrollListener(mScrollListener);
     mListView.setFastScrollEnabled(false);
     mListView.setFastScrollAlwaysVisible(false);

     //prevent content changes of the list from firing accessibility events.
     mListView.setAccessibilityLiveRegion(View.ACCESSIBILITY_LIVE_REGION_NONE);
     ContentChangedFilter.addToParent(mListView);

     Trace.endSection();
     return mParentView;
   }

   public boolean hasFrequents() {
     if (mContactTileAdapter == null) {
       return false;
     }
     return mContactTileAdapter.getNumFrequents() > 0;
   }

   /* package */ void setEmptyViewVisibility(final boolean visible) {
     final int previousVisibility = mEmptyView.getVisibility();
     final int emptyViewVisibility = visible ? View.VISIBLE : View.GONE;
     final int listViewVisibility = visible ? View.GONE : View.VISIBLE;

     if (previousVisibility != emptyViewVisibility) {
       final FrameLayout.LayoutParams params = (LayoutParams) mContactTileFrame.getLayoutParams();
       params.height = visible ? LayoutParams.WRAP_CONTENT : LayoutParams.MATCH_PARENT;
       mContactTileFrame.setLayoutParams(params);
       mEmptyView.setVisibility(emptyViewVisibility);
       mListView.setVisibility(listViewVisibility);
     }
   }

   @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 {
       OnDragDropListener listener = (OnDragDropListener) activity;
       mListView.getDragDropController().addOnDragDropListener(listener);
       ((HostInterface) activity).setDragDropController(mListView.getDragDropController());
     } catch (ClassCastException e) {
       throw new ClassCastException(
           activity.toString() + " must implement OnDragDropListener and HostInterface");
     }

     try {
       mPhoneNumberPickerActionListener = (OnPhoneNumberPickerActionListener) activity;
     } catch (ClassCastException e) {
       throw new ClassCastException(
           activity.toString() + " must implement PhoneFavoritesFragment.listener");
     }

     // 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.
     if (PermissionsUtil.hasContactsPermissions(activity)) {
       getLoaderManager().initLoader(LOADER_ID_CONTACT_TILE, null, mContactTileLoaderListener);
     } else {
       setEmptyViewVisibility(true);
     }
   }

   /**
    * {@inheritDoc}
    *
    * <p>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) {
       LogUtil.e(
           "SpeedDialFragment.onItemClick",
           "event for unexpected position. The position "
               + position
               + " is before \"all\" section. Ignored.");
     }
   }

   /**
    * Cache the current view offsets into memory. Once a relayout of views in the ListView has
    * happened due to a dataset change, the cached offsets are used to create animations that slide
    * views from their previous positions to their new ones, to give the appearance that the views
    * are sliding into their new positions.
    */
   private void saveOffsets(int removedItemHeight) {
     final int firstVisiblePosition = mListView.getFirstVisiblePosition();
     if (DEBUG) {
       LogUtil.d("SpeedDialFragment.saveOffsets", "Child count : " + mListView.getChildCount());
     }
     for (int i = 0; i < mListView.getChildCount(); i++) {
       final View child = mListView.getChildAt(i);
       final int position = firstVisiblePosition + i;
       // Since we are getting the position from mListView and then querying
       // mContactTileAdapter, its very possible that things are out of sync
       // and we might index out of bounds.  Let's make sure that this doesn't happen.
       if (!mContactTileAdapter.isIndexInBound(position)) {
         continue;
       }
       final long itemId = mContactTileAdapter.getItemId(position);
       if (DEBUG) {
         LogUtil.d(
             "SpeedDialFragment.saveOffsets",
             "Saving itemId: " + itemId + " for listview child " + i + " Top: " + child.getTop());
       }
       mItemIdTopMap.put(itemId, child.getTop());
       mItemIdLeftMap.put(itemId, child.getLeft());
     }
     mItemIdTopMap.put(KEY_REMOVED_ITEM_HEIGHT, removedItemHeight);
   }

   /*
    * Performs animations for the gridView
    */
   private void animateGridView(final long... idsInPlace) {
     if (mItemIdTopMap.size() == 0) {
       // 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;
     }

     ViewUtil.doOnPreDraw(
         mListView,
         true,
         new Runnable() {
           @Override
           public void run() {

             final int firstVisiblePosition = mListView.getFirstVisiblePosition();
             final AnimatorSet animSet = new AnimatorSet();
             final ArrayList<Animator> animators = new ArrayList<Animator>();
             for (int i = 0; i < mListView.getChildCount(); i++) {
               final View child = mListView.getChildAt(i);
               int position = firstVisiblePosition + i;

               // Since we are getting the position from mListView and then querying
               // mContactTileAdapter, its very possible that things are out of sync
               // and we might index out of bounds.  Let's make sure that this doesn't happen.
               if (!mContactTileAdapter.isIndexInBound(position)) {
                 continue;
               }

               final long itemId = mContactTileAdapter.getItemId(position);

               if (containsId(idsInPlace, itemId)) {
                 animators.add(ObjectAnimator.ofFloat(child, "alpha", 0.0f, 1.0f));
                 break;
               } else {
                 Integer startTop = mItemIdTopMap.get(itemId);
                 Integer startLeft = mItemIdLeftMap.get(itemId);
                 final int top = child.getTop();
                 final int left = child.getLeft();
                 int deltaX = 0;
                 int deltaY = 0;

                 if (startLeft != null) {
                   if (startLeft != left) {
                     deltaX = startLeft - left;
                     animators.add(ObjectAnimator.ofFloat(child, "translationX", deltaX, 0.0f));
                   }
                 }

                 if (startTop != null) {
                   if (startTop != top) {
                     deltaY = startTop - top;
                     animators.add(ObjectAnimator.ofFloat(child, "translationY", deltaY, 0.0f));
                   }
                 }

                 if (DEBUG) {
                   LogUtil.d(
                       "SpeedDialFragment.onPreDraw",
                       "Found itemId: "
                           + itemId
                           + " for listview child "
                           + i
                           + " Top: "
                           + top
                           + " Delta: "
                           + deltaY);
                 }
               }
             }

             if (animators.size() > 0) {
               animSet.setDuration(mAnimationDuration).playTogether(animators);
               animSet.start();
             }

             mItemIdTopMap.clear();
             mItemIdLeftMap.clear();
           }
         });
   }

   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) {
     animateGridView(idsInPlace);
   }

   @Override
   public void cacheOffsetsForDatasetChange() {
     saveOffsets(0);
   }

   @Override
   public void onEmptyViewActionButtonClicked() {
     final Activity activity = getActivity();
     if (activity == null) {
       return;
     }

     if (!PermissionsUtil.hasPermission(activity, READ_CONTACTS)) {
       FragmentCompat.requestPermissions(
           this, new String[] {READ_CONTACTS}, READ_CONTACTS_PERMISSION_REQUEST_CODE);
     } else {
       // Switch tabs
       ((HostInterface) activity).showAllContactsTab();
     }
   }

   @Override
   public void onRequestPermissionsResult(
       int requestCode, String[] permissions, int[] grantResults) {
     if (requestCode == READ_CONTACTS_PERMISSION_REQUEST_CODE) {
       if (grantResults.length == 1 && PackageManager.PERMISSION_GRANTED == grantResults[0]) {
         PermissionsUtil.notifyPermissionGranted(getActivity(), READ_CONTACTS);
       }
     }
   }

   @Override
   public void onPageResume(@Nullable Activity activity) {
     LogUtil.i("SpeedDialFragment.onPageResume", null);
   }

   @Override
   public void onPagePause(@Nullable Activity activity) {
     LogUtil.i("SpeedDialFragment.onPagePause", null);
   }

   public interface HostInterface {

     void setDragDropController(DragDropController controller);

     void showAllContactsTab();
   }

   private class ContactTileLoaderListener implements LoaderManager.LoaderCallbacks<Cursor> {

     @Override
     public CursorLoader onCreateLoader(int id, Bundle args) {
       if (DEBUG) {
         LogUtil.d("ContactTileLoaderListener.onCreateLoader", null);
       }
       return ContactTileLoaderFactory.createStrequentPhoneOnlyLoader(getActivity());
     }

     @Override
     public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
       if (DEBUG) {
         LogUtil.d("ContactTileLoaderListener.onLoadFinished", null);
       }
       mContactTileAdapter.setContactCursor(data);
       setEmptyViewVisibility(mContactTileAdapter.getCount() == 0);
     }

     @Override
     public void onLoaderReset(Loader<Cursor> loader) {
       if (DEBUG) {
         LogUtil.d("ContactTileLoaderListener.onLoaderReset", null);
       }
     }
   }

   private class ContactTileAdapterListener implements ContactTileView.Listener {

     @Override
     public void onContactSelected(Uri contactUri, Rect targetRect) {
       if (mPhoneNumberPickerActionListener != null) {
         CallSpecificAppData callSpecificAppData = new CallSpecificAppData();
         callSpecificAppData.callInitiationType = CallInitiationType.Type.SPEED_DIAL;
         mPhoneNumberPickerActionListener.onPickDataUri(
             contactUri, false /* isVideoCall */, callSpecificAppData);
       }
     }

     @Override
     public void onCallNumberDirectly(String phoneNumber) {
       if (mPhoneNumberPickerActionListener != null) {
         CallSpecificAppData callSpecificAppData = new CallSpecificAppData();
         callSpecificAppData.callInitiationType = CallInitiationType.Type.SPEED_DIAL;
         mPhoneNumberPickerActionListener.onPickPhoneNumber(
             phoneNumber, false /* isVideoCall */, callSpecificAppData);
       }
     }
   }

   private class ScrollListener implements ListView.OnScrollListener {

     @Override
     public void onScroll(
         AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
       if (mActivityScrollListener != null) {
         mActivityScrollListener.onListFragmentScroll(
             firstVisibleItem, visibleItemCount, totalItemCount);
       }
     }

     @Override
     public void onScrollStateChanged(AbsListView view, int scrollState) {
       mActivityScrollListener.onListFragmentScrollStateChange(scrollState);
     }
   }
 }
	/*
	* 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.app.list;

	import static android.Manifest.permission.READ_CONTACTS;

	import android.animation.Animator;
	import android.animation.AnimatorSet;
	import android.animation.ObjectAnimator;
	import android.app.Activity;
	import android.app.Fragment;
	import android.app.LoaderManager;
	import android.content.CursorLoader;
	import android.content.Loader;
	import android.content.pm.PackageManager;
	import android.database.Cursor;
	import android.graphics.Rect;
	import android.net.Uri;
	import android.os.Bundle;
	import android.os.Trace;
	import android.support.annotation.Nullable;
	import android.support.v13.app.FragmentCompat;
	import android.support.v4.util.LongSparseArray;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.view.animation.AnimationUtils;
	import android.view.animation.LayoutAnimationController;
	import android.widget.AbsListView;
	import android.widget.AdapterView;
	import android.widget.AdapterView.OnItemClickListener;
	import android.widget.FrameLayout;
	import android.widget.FrameLayout.LayoutParams;
	import android.widget.ImageView;
	import android.widget.ListView;
	import com.android.contacts.common.ContactPhotoManager;
	import com.android.contacts.common.ContactTileLoaderFactory;
	import com.android.contacts.common.list.ContactTileView;
	import com.android.contacts.common.list.OnPhoneNumberPickerActionListener;
	import com.android.dialer.app.R;
	import com.android.dialer.app.list.ListsFragment.ListsPage;
	import com.android.dialer.app.widget.EmptyContentView;
	import com.android.dialer.callintent.nano.CallInitiationType;
	import com.android.dialer.callintent.nano.CallSpecificAppData;
	import com.android.dialer.common.LogUtil;
	import com.android.dialer.util.PermissionsUtil;
	import com.android.dialer.util.ViewUtil;
	import java.util.ArrayList;

	/** This fragment displays the user's favorite/frequent contacts in a grid. */
	public class SpeedDialFragment extends Fragment
	implements ListsPage,
	OnItemClickListener,
	PhoneFavoritesTileAdapter.OnDataSetChangedForAnimationListener,
	EmptyContentView.OnEmptyViewActionButtonClickedListener,
	FragmentCompat.OnRequestPermissionsResultCallback {

	private static final int READ_CONTACTS_PERMISSION_REQUEST_CODE = 1;

	/**
	* By default, the animation code assumes that all items in a list view are of the same height
	* when animating new list items into view (e.g. from the bottom of the screen into view). This
	* can cause incorrect translation offsets when a item that is larger or smaller than other list
	* item is removed from the list. This key is used to provide the actual height of the removed
	* object so that the actual translation appears correct to the user.
	*/
	private static final long KEY_REMOVED_ITEM_HEIGHT = Long.MAX_VALUE;

	private static final String TAG = "SpeedDialFragment";
	private static final boolean DEBUG = false;
	/** Used with LoaderManager. */
	private static final int LOADER_ID_CONTACT_TILE = 1;

	private final LongSparseArray<Integer> mItemIdTopMap = new LongSparseArray<>();
	private final LongSparseArray<Integer> mItemIdLeftMap = new LongSparseArray<>();
	private final ContactTileView.Listener mContactTileAdapterListener =
	new ContactTileAdapterListener();
	private final LoaderManager.LoaderCallbacks<Cursor> mContactTileLoaderListener =
	new ContactTileLoaderListener();
	private final ScrollListener mScrollListener = new ScrollListener();
	private int mAnimationDuration;
	private OnPhoneNumberPickerActionListener mPhoneNumberPickerActionListener;
	private OnListFragmentScrolledListener mActivityScrollListener;
	private PhoneFavoritesTileAdapter mContactTileAdapter;
	private View mParentView;
	private PhoneFavoriteListView mListView;
	private View mContactTileFrame;
	/** Layout used when there are no favorites. */
	private EmptyContentView mEmptyView;

	@Override
	public void onCreate(Bundle savedState) {
	if (DEBUG) {
	LogUtil.d("SpeedDialFragment.onCreate", null);
	}
	Trace.beginSection(TAG + " onCreate");
	super.onCreate(savedState);

	// 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(getActivity(), mContactTileAdapterListener, this);
	mContactTileAdapter.setPhotoLoader(ContactPhotoManager.getInstance(getActivity()));
	mAnimationDuration = getResources().getInteger(R.integer.fade_duration);
	Trace.endSection();
	}

	@Override
	public void onResume() {
	Trace.beginSection(TAG + " onResume");
	super.onResume();
	if (mContactTileAdapter != null) {
	mContactTileAdapter.refreshContactsPreferences();
	}
	if (PermissionsUtil.hasContactsPermissions(getActivity())) {
	if (getLoaderManager().getLoader(LOADER_ID_CONTACT_TILE) == null) {
	getLoaderManager().initLoader(LOADER_ID_CONTACT_TILE, null, mContactTileLoaderListener);

	} else {
	getLoaderManager().getLoader(LOADER_ID_CONTACT_TILE).forceLoad();
	}

	mEmptyView.setDescription(R.string.speed_dial_empty);
	mEmptyView.setActionLabel(R.string.speed_dial_empty_add_favorite_action);
	} else {
	mEmptyView.setDescription(R.string.permission_no_speeddial);
	mEmptyView.setActionLabel(R.string.permission_single_turn_on);
	}
	Trace.endSection();
	}

	@Override
	public View onCreateView(
	LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
	Trace.beginSection(TAG + " onCreateView");
	mParentView = inflater.inflate(R.layout.speed_dial_fragment, container, false);

	mListView = (PhoneFavoriteListView) mParentView.findViewById(R.id.contact_tile_list);
	mListView.setOnItemClickListener(this);
	mListView.setVerticalScrollBarEnabled(false);
	mListView.setVerticalScrollbarPosition(View.SCROLLBAR_POSITION_RIGHT);
	mListView.setScrollBarStyle(ListView.SCROLLBARS_OUTSIDE_OVERLAY);
	mListView.getDragDropController().addOnDragDropListener(mContactTileAdapter);

	final ImageView dragShadowOverlay =
	(ImageView) getActivity().findViewById(R.id.contact_tile_drag_shadow_overlay);
	mListView.setDragShadowOverlay(dragShadowOverlay);

	mEmptyView = (EmptyContentView) mParentView.findViewById(R.id.empty_list_view);
	mEmptyView.setImage(R.drawable.empty_speed_dial);
	mEmptyView.setActionClickedListener(this);

	mContactTileFrame = mParentView.findViewById(R.id.contact_tile_frame);

	final LayoutAnimationController controller =
	new LayoutAnimationController(
	AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in));
	controller.setDelay(0);
	mListView.setLayoutAnimation(controller);
	mListView.setAdapter(mContactTileAdapter);

	mListView.setOnScrollListener(mScrollListener);
	mListView.setFastScrollEnabled(false);
	mListView.setFastScrollAlwaysVisible(false);

	//prevent content changes of the list from firing accessibility events.
	mListView.setAccessibilityLiveRegion(View.ACCESSIBILITY_LIVE_REGION_NONE);
	ContentChangedFilter.addToParent(mListView);

	Trace.endSection();
	return mParentView;
	}

	public boolean hasFrequents() {
	if (mContactTileAdapter == null) {
	return false;
	}
	return mContactTileAdapter.getNumFrequents() > 0;
	}

	/* package */ void setEmptyViewVisibility(final boolean visible) {
	final int previousVisibility = mEmptyView.getVisibility();
	final int emptyViewVisibility = visible ? View.VISIBLE : View.GONE;
	final int listViewVisibility = visible ? View.GONE : View.VISIBLE;

	if (previousVisibility != emptyViewVisibility) {
	final FrameLayout.LayoutParams params = (LayoutParams) mContactTileFrame.getLayoutParams();
	params.height = visible ? LayoutParams.WRAP_CONTENT : LayoutParams.MATCH_PARENT;
	mContactTileFrame.setLayoutParams(params);
	mEmptyView.setVisibility(emptyViewVisibility);
	mListView.setVisibility(listViewVisibility);
	}
	}

	@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 {
	OnDragDropListener listener = (OnDragDropListener) activity;
	mListView.getDragDropController().addOnDragDropListener(listener);
	((HostInterface) activity).setDragDropController(mListView.getDragDropController());
	} catch (ClassCastException e) {
	throw new ClassCastException(
	activity.toString() + " must implement OnDragDropListener and HostInterface");
	}

	try {
	mPhoneNumberPickerActionListener = (OnPhoneNumberPickerActionListener) activity;
	} catch (ClassCastException e) {
	throw new ClassCastException(
	activity.toString() + " must implement PhoneFavoritesFragment.listener");
	}

	// 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.
	if (PermissionsUtil.hasContactsPermissions(activity)) {
	getLoaderManager().initLoader(LOADER_ID_CONTACT_TILE, null, mContactTileLoaderListener);
	} else {
	setEmptyViewVisibility(true);
	}
	}

	/**
	* {@inheritDoc}
	*
	* <p>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) {
	LogUtil.e(
	"SpeedDialFragment.onItemClick",
	"event for unexpected position. The position "
	+ position
	+ " is before \"all\" section. Ignored.");
	}
	}

	/**
	* Cache the current view offsets into memory. Once a relayout of views in the ListView has
	* happened due to a dataset change, the cached offsets are used to create animations that slide
	* views from their previous positions to their new ones, to give the appearance that the views
	* are sliding into their new positions.
	*/
	private void saveOffsets(int removedItemHeight) {
	final int firstVisiblePosition = mListView.getFirstVisiblePosition();
	if (DEBUG) {
	LogUtil.d("SpeedDialFragment.saveOffsets", "Child count : " + mListView.getChildCount());
	}
	for (int i = 0; i < mListView.getChildCount(); i++) {
	final View child = mListView.getChildAt(i);
	final int position = firstVisiblePosition + i;
	// Since we are getting the position from mListView and then querying
	// mContactTileAdapter, its very possible that things are out of sync
	// and we might index out of bounds. Let's make sure that this doesn't happen.
	if (!mContactTileAdapter.isIndexInBound(position)) {
	continue;
	}
	final long itemId = mContactTileAdapter.getItemId(position);
	if (DEBUG) {
	LogUtil.d(
	"SpeedDialFragment.saveOffsets",
	"Saving itemId: " + itemId + " for listview child " + i + " Top: " + child.getTop());
	}
	mItemIdTopMap.put(itemId, child.getTop());
	mItemIdLeftMap.put(itemId, child.getLeft());
	}
	mItemIdTopMap.put(KEY_REMOVED_ITEM_HEIGHT, removedItemHeight);
	}

	/*
	* Performs animations for the gridView
	*/
	private void animateGridView(final long... idsInPlace) {
	if (mItemIdTopMap.size() == 0) {
	// 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;
	}

	ViewUtil.doOnPreDraw(
	mListView,
	true,
	new Runnable() {
	@Override
	public void run() {

	final int firstVisiblePosition = mListView.getFirstVisiblePosition();
	final AnimatorSet animSet = new AnimatorSet();
	final ArrayList<Animator> animators = new ArrayList<Animator>();
	for (int i = 0; i < mListView.getChildCount(); i++) {
	final View child = mListView.getChildAt(i);
	int position = firstVisiblePosition + i;

	// Since we are getting the position from mListView and then querying
	// mContactTileAdapter, its very possible that things are out of sync
	// and we might index out of bounds. Let's make sure that this doesn't happen.
	if (!mContactTileAdapter.isIndexInBound(position)) {
	continue;
	}

	final long itemId = mContactTileAdapter.getItemId(position);

	if (containsId(idsInPlace, itemId)) {
	animators.add(ObjectAnimator.ofFloat(child, "alpha", 0.0f, 1.0f));
	break;
	} else {
	Integer startTop = mItemIdTopMap.get(itemId);
	Integer startLeft = mItemIdLeftMap.get(itemId);
	final int top = child.getTop();
	final int left = child.getLeft();
	int deltaX = 0;
	int deltaY = 0;

	if (startLeft != null) {
	if (startLeft != left) {
	deltaX = startLeft - left;
	animators.add(ObjectAnimator.ofFloat(child, "translationX", deltaX, 0.0f));
	}
	}

	if (startTop != null) {
	if (startTop != top) {
	deltaY = startTop - top;
	animators.add(ObjectAnimator.ofFloat(child, "translationY", deltaY, 0.0f));
	}
	}

	if (DEBUG) {
	LogUtil.d(
	"SpeedDialFragment.onPreDraw",
	"Found itemId: "
	+ itemId
	+ " for listview child "
	+ i
	+ " Top: "
	+ top
	+ " Delta: "
	+ deltaY);
	}
	}
	}

	if (animators.size() > 0) {
	animSet.setDuration(mAnimationDuration).playTogether(animators);
	animSet.start();
	}

	mItemIdTopMap.clear();
	mItemIdLeftMap.clear();
	}
	});
	}

	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) {
	animateGridView(idsInPlace);
	}

	@Override
	public void cacheOffsetsForDatasetChange() {
	saveOffsets(0);
	}

	@Override
	public void onEmptyViewActionButtonClicked() {
	final Activity activity = getActivity();
	if (activity == null) {
	return;
	}

	if (!PermissionsUtil.hasPermission(activity, READ_CONTACTS)) {
	FragmentCompat.requestPermissions(
	this, new String[] {READ_CONTACTS}, READ_CONTACTS_PERMISSION_REQUEST_CODE);
	} else {
	// Switch tabs
	((HostInterface) activity).showAllContactsTab();
	}
	}

	@Override
	public void onRequestPermissionsResult(
	int requestCode, String[] permissions, int[] grantResults) {
	if (requestCode == READ_CONTACTS_PERMISSION_REQUEST_CODE) {
	if (grantResults.length == 1 && PackageManager.PERMISSION_GRANTED == grantResults[0]) {
	PermissionsUtil.notifyPermissionGranted(getActivity(), READ_CONTACTS);
	}
	}
	}

	@Override
	public void onPageResume(@Nullable Activity activity) {
	LogUtil.i("SpeedDialFragment.onPageResume", null);
	}

	@Override
	public void onPagePause(@Nullable Activity activity) {
	LogUtil.i("SpeedDialFragment.onPagePause", null);
	}

	public interface HostInterface {

	void setDragDropController(DragDropController controller);

	void showAllContactsTab();
	}

	private class ContactTileLoaderListener implements LoaderManager.LoaderCallbacks<Cursor> {

	@Override
	public CursorLoader onCreateLoader(int id, Bundle args) {
	if (DEBUG) {
	LogUtil.d("ContactTileLoaderListener.onCreateLoader", null);
	}
	return ContactTileLoaderFactory.createStrequentPhoneOnlyLoader(getActivity());
	}

	@Override
	public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
	if (DEBUG) {
	LogUtil.d("ContactTileLoaderListener.onLoadFinished", null);
	}
	mContactTileAdapter.setContactCursor(data);
	setEmptyViewVisibility(mContactTileAdapter.getCount() == 0);
	}

	@Override
	public void onLoaderReset(Loader<Cursor> loader) {
	if (DEBUG) {
	LogUtil.d("ContactTileLoaderListener.onLoaderReset", null);
	}
	}
	}

	private class ContactTileAdapterListener implements ContactTileView.Listener {

	@Override
	public void onContactSelected(Uri contactUri, Rect targetRect) {
	if (mPhoneNumberPickerActionListener != null) {
	CallSpecificAppData callSpecificAppData = new CallSpecificAppData();
	callSpecificAppData.callInitiationType = CallInitiationType.Type.SPEED_DIAL;
	mPhoneNumberPickerActionListener.onPickDataUri(
	contactUri, false /* isVideoCall */, callSpecificAppData);
	}
	}

	@Override
	public void onCallNumberDirectly(String phoneNumber) {
	if (mPhoneNumberPickerActionListener != null) {
	CallSpecificAppData callSpecificAppData = new CallSpecificAppData();
	callSpecificAppData.callInitiationType = CallInitiationType.Type.SPEED_DIAL;
	mPhoneNumberPickerActionListener.onPickPhoneNumber(
	phoneNumber, false /* isVideoCall */, callSpecificAppData);
	}
	}
	}

	private class ScrollListener implements ListView.OnScrollListener {

	@Override
	public void onScroll(
	AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
	if (mActivityScrollListener != null) {
	mActivityScrollListener.onListFragmentScroll(
	firstVisibleItem, visibleItemCount, totalItemCount);
	}
	}

	@Override
	public void onScrollStateChanged(AbsListView view, int scrollState) {
	mActivityScrollListener.onListFragmentScrollStateChange(scrollState);
	}
	}
	}