src/com/android/dialer/list/PhoneFavoriteMergedAdapter.java - platform/packages/apps/Dialer - Git at Google

 /*
  * Copyright (C) 2011 Google Inc.
  * Licensed to 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.content.Context;
 import android.content.res.Resources;
 import android.database.DataSetObserver;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
 import android.widget.FrameLayout;
 import android.widget.SectionIndexer;

 import com.android.contacts.common.list.ContactEntryListAdapter;
 import com.android.contacts.common.list.ContactListItemView;
 import com.android.contacts.common.list.ContactTileAdapter;
 import com.android.dialer.R;

 /**
  * An adapter that combines items from {@link com.android.contacts.common.list.ContactTileAdapter} and
  * {@link com.android.contacts.common.list.ContactEntryListAdapter} into a single list. In between those two results,
  * an account filter header will be inserted.
  */
 public class PhoneFavoriteMergedAdapter extends BaseAdapter implements SectionIndexer {

     private class CustomDataSetObserver extends DataSetObserver {
         @Override
         public void onChanged() {
             notifyDataSetChanged();
         }
     }

     private final ContactTileAdapter mContactTileAdapter;
     private final ContactEntryListAdapter mContactEntryListAdapter;
     private final View mAccountFilterHeaderContainer;
     private final View mLoadingView;

     private final int mItemPaddingLeft;
     private final int mItemPaddingRight;

     // Make frequent header consistent with account filter header.
     private final int mFrequentHeaderPaddingTop;

     private final DataSetObserver mObserver;

     public PhoneFavoriteMergedAdapter(Context context,
             ContactTileAdapter contactTileAdapter,
             View accountFilterHeaderContainer,
             ContactEntryListAdapter contactEntryListAdapter,
             View loadingView) {
         Resources resources = context.getResources();
         mItemPaddingLeft = resources.getDimensionPixelSize(R.dimen.detail_item_side_margin);
         mItemPaddingRight = resources.getDimensionPixelSize(R.dimen.list_visible_scrollbar_padding);
         mFrequentHeaderPaddingTop = resources.getDimensionPixelSize(
                 R.dimen.contact_browser_list_top_margin);
         mContactTileAdapter = contactTileAdapter;
         mContactEntryListAdapter = contactEntryListAdapter;

         mAccountFilterHeaderContainer = accountFilterHeaderContainer;

         mObserver = new CustomDataSetObserver();
         mContactTileAdapter.registerDataSetObserver(mObserver);
         mContactEntryListAdapter.registerDataSetObserver(mObserver);

         mLoadingView = loadingView;
     }

     @Override
     public boolean isEmpty() {
         // Cannot use the super's method here because we add extra rows in getCount() to account
         // for headers
         return mContactTileAdapter.getCount() + mContactEntryListAdapter.getCount() == 0;
     }

     @Override
     public int getCount() {
         final int contactTileAdapterCount = mContactTileAdapter.getCount();
         final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();
         if (mContactEntryListAdapter.isLoading()) {
             // Hide "all" contacts during its being loaded. Instead show "loading" view.
             //
             // "+2" for mAccountFilterHeaderContainer and mLoadingView
             return contactTileAdapterCount + 2;
         } else {
             // "+1" for mAccountFilterHeaderContainer
             return contactTileAdapterCount + contactEntryListAdapterCount + 1;
         }
     }

     @Override
     public Object getItem(int position) {
         final int contactTileAdapterCount = mContactTileAdapter.getCount();
         final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();
         if (position < contactTileAdapterCount) {  // For "tile" and "frequent" sections
             return mContactTileAdapter.getItem(position);
         } else if (position == contactTileAdapterCount) {  // For "all" section's account header
             return mAccountFilterHeaderContainer;
         } else {  // For "all" section
             if (mContactEntryListAdapter.isLoading()) {  // "All" section is being loaded.
                 return mLoadingView;
             } else {
                 // "-1" for mAccountFilterHeaderContainer
                 final int localPosition = position - contactTileAdapterCount - 1;
                 return mContactTileAdapter.getItem(localPosition);
             }
         }
     }

     @Override
     public long getItemId(int position) {
         return position;
     }

     @Override
     public int getViewTypeCount() {
         // "+2" for mAccountFilterHeaderContainer and mLoadingView
         return (mContactTileAdapter.getViewTypeCount()
                 + mContactEntryListAdapter.getViewTypeCount()
                 + 2);
     }

     @Override
     public int getItemViewType(int position) {
         final int contactTileAdapterCount = mContactTileAdapter.getCount();
         final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();
         // There should be four kinds of types that are usually used, and one more exceptional
         // type (IGNORE_ITEM_VIEW_TYPE), which sometimes comes from mContactTileAdapter.
         //
         // The four ordinary view types have the index equal to or more than 0, and less than
         // mContactTileAdapter.getViewTypeCount()+ mContactEntryListAdapter.getViewTypeCount() + 2.
         // (See also this class's getViewTypeCount())
         //
         // We have those values for:
         // - The view types mContactTileAdapter originally has
         // - The view types mContactEntryListAdapter originally has
         // - mAccountFilterHeaderContainer ("all" section's account header), and
         // - mLoadingView
         //
         // Those types should not be mixed, so we have a different range for each kinds of types:
         // - Types for mContactTileAdapter ("tile" and "frequent" sections)
         //   They should have the index, >=0 and <mContactTileAdapter.getViewTypeCount()
         //
         // - Types for mContactEntryListAdapter ("all" sections)
         //   They should have the index, >=mContactTileAdapter.getViewTypeCount() and
         //   <(mContactTileAdapter.getViewTypeCount() + mContactEntryListAdapter.getViewTypeCount())
         //
         // - Type for "all" section's account header
         //   It should have the exact index
         //   mContactTileAdapter.getViewTypeCount()+ mContactEntryListAdapter.getViewTypeCount()
         //
         // - Type for "loading" view used during "all" section is being loaded.
         //   It should have the exact index
         //   mContactTileAdapter.getViewTypeCount()+ mContactEntryListAdapter.getViewTypeCount() + 1
         //
         // As an exception, IGNORE_ITEM_VIEW_TYPE (-1) will be remained as is, which will be used
         // by framework's Adapter implementation and thus should be left as is.
         if (position < contactTileAdapterCount) {  // For "tile" and "frequent" sections
             return mContactTileAdapter.getItemViewType(position);
         } else if (position == contactTileAdapterCount) {  // For "all" section's account header
             return mContactTileAdapter.getViewTypeCount()
                     + mContactEntryListAdapter.getViewTypeCount();
         } else {  // For "all" section
             if (mContactEntryListAdapter.isLoading()) {  // "All" section is being loaded.
                 return mContactTileAdapter.getViewTypeCount()
                         + mContactEntryListAdapter.getViewTypeCount() + 1;
             } else {
                 // "-1" for mAccountFilterHeaderContainer
                 final int localPosition = position - contactTileAdapterCount - 1;
                 final int type = mContactEntryListAdapter.getItemViewType(localPosition);
                 // IGNORE_ITEM_VIEW_TYPE must be handled differently.
                 return (type < 0) ? type : type + mContactTileAdapter.getViewTypeCount();
             }
         }
     }

     @Override
     public View getView(int position, View convertView, ViewGroup parent) {
         final int contactTileAdapterCount = mContactTileAdapter.getCount();
         final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();

         // Obtain a View relevant for that position, and adjust its horizontal padding. Each
         // View has different implementation, so we use different way to control those padding.
         if (position < contactTileAdapterCount) {  // For "tile" and "frequent" sections
             final View view = mContactTileAdapter.getView(position, convertView, parent);
             final int frequentHeaderPosition = mContactTileAdapter.getFrequentHeaderPosition();
             if (position < frequentHeaderPosition) {  // "starred" contacts
                 // No padding adjustment.
             } else if (position == frequentHeaderPosition) {
                 view.setPadding(mItemPaddingLeft, mFrequentHeaderPaddingTop,
                         mItemPaddingRight, view.getPaddingBottom());
             } else {
                 // Views for "frequent" contacts use FrameLayout's margins instead of padding.
                 final FrameLayout frameLayout = (FrameLayout) view;
                 final View child = frameLayout.getChildAt(0);
                 FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
                         FrameLayout.LayoutParams.WRAP_CONTENT,
                         FrameLayout.LayoutParams.WRAP_CONTENT);
                 params.setMargins(mItemPaddingLeft, 0, mItemPaddingRight, 0);
                 child.setLayoutParams(params);
             }
             return view;
         } else if (position == contactTileAdapterCount) {  // For "all" section's account header
             mAccountFilterHeaderContainer.setPadding(mItemPaddingLeft,
                     mAccountFilterHeaderContainer.getPaddingTop(),
                     mItemPaddingRight,
                     mAccountFilterHeaderContainer.getPaddingBottom());

             // Show a single "No Contacts" label under the "all" section account header
             // if no contacts are displayed.
             mAccountFilterHeaderContainer.findViewById(
                     R.id.contact_list_all_empty).setVisibility(
                     contactEntryListAdapterCount == 0 ? View.VISIBLE : View.GONE);
             return mAccountFilterHeaderContainer;
         } else {  // For "all" section
             if (mContactEntryListAdapter.isLoading()) {  // "All" section is being loaded.
                 mLoadingView.setPadding(mItemPaddingLeft,
                         mLoadingView.getPaddingTop(),
                         mItemPaddingRight,
                         mLoadingView.getPaddingBottom());
                 return mLoadingView;
             } else {
                 // "-1" for mAccountFilterHeaderContainer
                 final int localPosition = position - contactTileAdapterCount - 1;
                 final ContactListItemView itemView = (ContactListItemView)
                         mContactEntryListAdapter.getView(localPosition, convertView, null);
                 itemView.setPadding(mItemPaddingLeft, itemView.getPaddingTop(),
                         mItemPaddingRight, itemView.getPaddingBottom());
                 itemView.setSelectionBoundsHorizontalMargin(mItemPaddingLeft, mItemPaddingRight);
                 return itemView;
             }
         }
     }

     @Override
     public boolean areAllItemsEnabled() {
         // If "all" section is being loaded we'll show mLoadingView, which is not enabled.
         // Otherwise check the all the other components in the ListView and return appropriate
         // result.
         return !mContactEntryListAdapter.isLoading()
                 && (mContactTileAdapter.areAllItemsEnabled()
                 && mAccountFilterHeaderContainer.isEnabled()
                 && mContactEntryListAdapter.areAllItemsEnabled());
     }

     @Override
     public boolean isEnabled(int position) {
         final int contactTileAdapterCount = mContactTileAdapter.getCount();
         final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();
         if (position < contactTileAdapterCount) {  // For "tile" and "frequent" sections
             return mContactTileAdapter.isEnabled(position);
         } else if (position == contactTileAdapterCount) {  // For "all" section's account header
             // This will be handled by View's onClick event instead of ListView's onItemClick event.
             return false;
         } else {  // For "all" section
             if (mContactEntryListAdapter.isLoading()) {  // "All" section is being loaded.
                 return false;
             } else {
                 // "-1" for mAccountFilterHeaderContainer
                 final int localPosition = position - contactTileAdapterCount - 1;
                 return mContactEntryListAdapter.isEnabled(localPosition);
             }
         }
     }

     @Override
     public int getPositionForSection(int sectionIndex) {
         final int contactTileAdapterCount = mContactTileAdapter.getCount();
         final int localPosition = mContactEntryListAdapter.getPositionForSection(sectionIndex);
         return contactTileAdapterCount + 1 + localPosition;
     }

     @Override
     public int getSectionForPosition(int position) {
         final int contactTileAdapterCount = mContactTileAdapter.getCount();
         if (position <= contactTileAdapterCount) {
             return 0;
         } else {
             // "-1" for mAccountFilterHeaderContainer
             final int localPosition = position - contactTileAdapterCount - 1;
             return mContactEntryListAdapter.getSectionForPosition(localPosition);
         }
     }

     @Override
     public Object[] getSections() {
         return mContactEntryListAdapter.getSections();
     }

     public boolean shouldShowFirstScroller(int firstVisibleItem) {
         final int contactTileAdapterCount = mContactTileAdapter.getCount();
         return firstVisibleItem > contactTileAdapterCount;
     }
 }
	/*
	* Copyright (C) 2011 Google Inc.
	* Licensed to 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.content.Context;
	import android.content.res.Resources;
	import android.database.DataSetObserver;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.BaseAdapter;
	import android.widget.FrameLayout;
	import android.widget.SectionIndexer;

	import com.android.contacts.common.list.ContactEntryListAdapter;
	import com.android.contacts.common.list.ContactListItemView;
	import com.android.contacts.common.list.ContactTileAdapter;
	import com.android.dialer.R;

	/**
	* An adapter that combines items from {@link com.android.contacts.common.list.ContactTileAdapter} and
	* {@link com.android.contacts.common.list.ContactEntryListAdapter} into a single list. In between those two results,
	* an account filter header will be inserted.
	*/
	public class PhoneFavoriteMergedAdapter extends BaseAdapter implements SectionIndexer {

	private class CustomDataSetObserver extends DataSetObserver {
	@Override
	public void onChanged() {
	notifyDataSetChanged();
	}
	}

	private final ContactTileAdapter mContactTileAdapter;
	private final ContactEntryListAdapter mContactEntryListAdapter;
	private final View mAccountFilterHeaderContainer;
	private final View mLoadingView;

	private final int mItemPaddingLeft;
	private final int mItemPaddingRight;

	// Make frequent header consistent with account filter header.
	private final int mFrequentHeaderPaddingTop;

	private final DataSetObserver mObserver;

	public PhoneFavoriteMergedAdapter(Context context,
	ContactTileAdapter contactTileAdapter,
	View accountFilterHeaderContainer,
	ContactEntryListAdapter contactEntryListAdapter,
	View loadingView) {
	Resources resources = context.getResources();
	mItemPaddingLeft = resources.getDimensionPixelSize(R.dimen.detail_item_side_margin);
	mItemPaddingRight = resources.getDimensionPixelSize(R.dimen.list_visible_scrollbar_padding);
	mFrequentHeaderPaddingTop = resources.getDimensionPixelSize(
	R.dimen.contact_browser_list_top_margin);
	mContactTileAdapter = contactTileAdapter;
	mContactEntryListAdapter = contactEntryListAdapter;

	mAccountFilterHeaderContainer = accountFilterHeaderContainer;

	mObserver = new CustomDataSetObserver();
	mContactTileAdapter.registerDataSetObserver(mObserver);
	mContactEntryListAdapter.registerDataSetObserver(mObserver);

	mLoadingView = loadingView;
	}

	@Override
	public boolean isEmpty() {
	// Cannot use the super's method here because we add extra rows in getCount() to account
	// for headers
	return mContactTileAdapter.getCount() + mContactEntryListAdapter.getCount() == 0;
	}

	@Override
	public int getCount() {
	final int contactTileAdapterCount = mContactTileAdapter.getCount();
	final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();
	if (mContactEntryListAdapter.isLoading()) {
	// Hide "all" contacts during its being loaded. Instead show "loading" view.
	//
	// "+2" for mAccountFilterHeaderContainer and mLoadingView
	return contactTileAdapterCount + 2;
	} else {
	// "+1" for mAccountFilterHeaderContainer
	return contactTileAdapterCount + contactEntryListAdapterCount + 1;
	}
	}

	@Override
	public Object getItem(int position) {
	final int contactTileAdapterCount = mContactTileAdapter.getCount();
	final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();
	if (position < contactTileAdapterCount) { // For "tile" and "frequent" sections
	return mContactTileAdapter.getItem(position);
	} else if (position == contactTileAdapterCount) { // For "all" section's account header
	return mAccountFilterHeaderContainer;
	} else { // For "all" section
	if (mContactEntryListAdapter.isLoading()) { // "All" section is being loaded.
	return mLoadingView;
	} else {
	// "-1" for mAccountFilterHeaderContainer
	final int localPosition = position - contactTileAdapterCount - 1;
	return mContactTileAdapter.getItem(localPosition);
	}
	}
	}

	@Override
	public long getItemId(int position) {
	return position;
	}

	@Override
	public int getViewTypeCount() {
	// "+2" for mAccountFilterHeaderContainer and mLoadingView
	return (mContactTileAdapter.getViewTypeCount()
	+ mContactEntryListAdapter.getViewTypeCount()
	+ 2);
	}

	@Override
	public int getItemViewType(int position) {
	final int contactTileAdapterCount = mContactTileAdapter.getCount();
	final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();
	// There should be four kinds of types that are usually used, and one more exceptional
	// type (IGNORE_ITEM_VIEW_TYPE), which sometimes comes from mContactTileAdapter.
	//
	// The four ordinary view types have the index equal to or more than 0, and less than
	// mContactTileAdapter.getViewTypeCount()+ mContactEntryListAdapter.getViewTypeCount() + 2.
	// (See also this class's getViewTypeCount())
	//
	// We have those values for:
	// - The view types mContactTileAdapter originally has
	// - The view types mContactEntryListAdapter originally has
	// - mAccountFilterHeaderContainer ("all" section's account header), and
	// - mLoadingView
	//
	// Those types should not be mixed, so we have a different range for each kinds of types:
	// - Types for mContactTileAdapter ("tile" and "frequent" sections)
	// They should have the index, >=0 and <mContactTileAdapter.getViewTypeCount()
	//
	// - Types for mContactEntryListAdapter ("all" sections)
	// They should have the index, >=mContactTileAdapter.getViewTypeCount() and
	// <(mContactTileAdapter.getViewTypeCount() + mContactEntryListAdapter.getViewTypeCount())
	//
	// - Type for "all" section's account header
	// It should have the exact index
	// mContactTileAdapter.getViewTypeCount()+ mContactEntryListAdapter.getViewTypeCount()
	//
	// - Type for "loading" view used during "all" section is being loaded.
	// It should have the exact index
	// mContactTileAdapter.getViewTypeCount()+ mContactEntryListAdapter.getViewTypeCount() + 1
	//
	// As an exception, IGNORE_ITEM_VIEW_TYPE (-1) will be remained as is, which will be used
	// by framework's Adapter implementation and thus should be left as is.
	if (position < contactTileAdapterCount) { // For "tile" and "frequent" sections
	return mContactTileAdapter.getItemViewType(position);
	} else if (position == contactTileAdapterCount) { // For "all" section's account header
	return mContactTileAdapter.getViewTypeCount()
	+ mContactEntryListAdapter.getViewTypeCount();
	} else { // For "all" section
	if (mContactEntryListAdapter.isLoading()) { // "All" section is being loaded.
	return mContactTileAdapter.getViewTypeCount()
	+ mContactEntryListAdapter.getViewTypeCount() + 1;
	} else {
	// "-1" for mAccountFilterHeaderContainer
	final int localPosition = position - contactTileAdapterCount - 1;
	final int type = mContactEntryListAdapter.getItemViewType(localPosition);
	// IGNORE_ITEM_VIEW_TYPE must be handled differently.
	return (type < 0) ? type : type + mContactTileAdapter.getViewTypeCount();
	}
	}
	}

	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
	final int contactTileAdapterCount = mContactTileAdapter.getCount();
	final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();

	// Obtain a View relevant for that position, and adjust its horizontal padding. Each
	// View has different implementation, so we use different way to control those padding.
	if (position < contactTileAdapterCount) { // For "tile" and "frequent" sections
	final View view = mContactTileAdapter.getView(position, convertView, parent);
	final int frequentHeaderPosition = mContactTileAdapter.getFrequentHeaderPosition();
	if (position < frequentHeaderPosition) { // "starred" contacts
	// No padding adjustment.
	} else if (position == frequentHeaderPosition) {
	view.setPadding(mItemPaddingLeft, mFrequentHeaderPaddingTop,
	mItemPaddingRight, view.getPaddingBottom());
	} else {
	// Views for "frequent" contacts use FrameLayout's margins instead of padding.
	final FrameLayout frameLayout = (FrameLayout) view;
	final View child = frameLayout.getChildAt(0);
	FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
	FrameLayout.LayoutParams.WRAP_CONTENT,
	FrameLayout.LayoutParams.WRAP_CONTENT);
	params.setMargins(mItemPaddingLeft, 0, mItemPaddingRight, 0);
	child.setLayoutParams(params);
	}
	return view;
	} else if (position == contactTileAdapterCount) { // For "all" section's account header
	mAccountFilterHeaderContainer.setPadding(mItemPaddingLeft,
	mAccountFilterHeaderContainer.getPaddingTop(),
	mItemPaddingRight,
	mAccountFilterHeaderContainer.getPaddingBottom());

	// Show a single "No Contacts" label under the "all" section account header
	// if no contacts are displayed.
	mAccountFilterHeaderContainer.findViewById(
	R.id.contact_list_all_empty).setVisibility(
	contactEntryListAdapterCount == 0 ? View.VISIBLE : View.GONE);
	return mAccountFilterHeaderContainer;
	} else { // For "all" section
	if (mContactEntryListAdapter.isLoading()) { // "All" section is being loaded.
	mLoadingView.setPadding(mItemPaddingLeft,
	mLoadingView.getPaddingTop(),
	mItemPaddingRight,
	mLoadingView.getPaddingBottom());
	return mLoadingView;
	} else {
	// "-1" for mAccountFilterHeaderContainer
	final int localPosition = position - contactTileAdapterCount - 1;
	final ContactListItemView itemView = (ContactListItemView)
	mContactEntryListAdapter.getView(localPosition, convertView, null);
	itemView.setPadding(mItemPaddingLeft, itemView.getPaddingTop(),
	mItemPaddingRight, itemView.getPaddingBottom());
	itemView.setSelectionBoundsHorizontalMargin(mItemPaddingLeft, mItemPaddingRight);
	return itemView;
	}
	}
	}

	@Override
	public boolean areAllItemsEnabled() {
	// If "all" section is being loaded we'll show mLoadingView, which is not enabled.
	// Otherwise check the all the other components in the ListView and return appropriate
	// result.
	return !mContactEntryListAdapter.isLoading()
	&& (mContactTileAdapter.areAllItemsEnabled()
	&& mAccountFilterHeaderContainer.isEnabled()
	&& mContactEntryListAdapter.areAllItemsEnabled());
	}

	@Override
	public boolean isEnabled(int position) {
	final int contactTileAdapterCount = mContactTileAdapter.getCount();
	final int contactEntryListAdapterCount = mContactEntryListAdapter.getCount();
	if (position < contactTileAdapterCount) { // For "tile" and "frequent" sections
	return mContactTileAdapter.isEnabled(position);
	} else if (position == contactTileAdapterCount) { // For "all" section's account header
	// This will be handled by View's onClick event instead of ListView's onItemClick event.
	return false;
	} else { // For "all" section
	if (mContactEntryListAdapter.isLoading()) { // "All" section is being loaded.
	return false;
	} else {
	// "-1" for mAccountFilterHeaderContainer
	final int localPosition = position - contactTileAdapterCount - 1;
	return mContactEntryListAdapter.isEnabled(localPosition);
	}
	}
	}

	@Override
	public int getPositionForSection(int sectionIndex) {
	final int contactTileAdapterCount = mContactTileAdapter.getCount();
	final int localPosition = mContactEntryListAdapter.getPositionForSection(sectionIndex);
	return contactTileAdapterCount + 1 + localPosition;
	}

	@Override
	public int getSectionForPosition(int position) {
	final int contactTileAdapterCount = mContactTileAdapter.getCount();
	if (position <= contactTileAdapterCount) {
	return 0;
	} else {
	// "-1" for mAccountFilterHeaderContainer
	final int localPosition = position - contactTileAdapterCount - 1;
	return mContactEntryListAdapter.getSectionForPosition(localPosition);
	}
	}

	@Override
	public Object[] getSections() {
	return mContactEntryListAdapter.getSections();
	}

	public boolean shouldShowFirstScroller(int firstVisibleItem) {
	final int contactTileAdapterCount = mContactTileAdapter.getCount();
	return firstVisibleItem > contactTileAdapterCount;
	}
	}