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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.home;
import org.mozilla.gecko.R;
import org.mozilla.gecko.home.HomePager.OnUrlOpenListener;
import android.content.Context;
import android.content.res.TypedArray;
import android.database.Cursor;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ListView;
/**
* HomeListView is a custom extension of ListView, that packs a HomeContextMenuInfo
* when any of its rows is long pressed.
*/
public class HomeListView extends ListView
implements OnItemLongClickListener {
// ContextMenuInfo associated with the currently long pressed list item.
private HomeContextMenuInfo mContextMenuInfo;
// On URL open listener
protected OnUrlOpenListener mUrlOpenListener;
// Top divider
private final boolean mShowTopDivider;
// ContextMenuInfo maker
private HomeContextMenuInfo.Factory mContextMenuInfoFactory;
public HomeListView(Context context) {
this(context, null);
}
public HomeListView(Context context, AttributeSet attrs) {
this(context, attrs, R.attr.homeListViewStyle);
}
public HomeListView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.HomeListView, defStyle, 0);
mShowTopDivider = a.getBoolean(R.styleable.HomeListView_topDivider, false);
a.recycle();
setOnItemLongClickListener(this);
}
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
final Drawable divider = getDivider();
if (mShowTopDivider && divider != null) {
final int dividerHeight = getDividerHeight();
final View view = new View(getContext());
view.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, dividerHeight));
addHeaderView(view);
}
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
mUrlOpenListener = null;
}
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
Object item = parent.getItemAtPosition(position);
// HomeListView could hold headers too. Add a context menu info only for its children.
if (item instanceof Cursor) {
Cursor cursor = (Cursor) item;
if (cursor == null || mContextMenuInfoFactory == null) {
mContextMenuInfo = null;
return false;
}
mContextMenuInfo = mContextMenuInfoFactory.makeInfoForCursor(view, position, id, cursor);
return showContextMenuForChild(HomeListView.this);
} else if (mContextMenuInfoFactory instanceof HomeContextMenuInfo.ListFactory) {
mContextMenuInfo = ((HomeContextMenuInfo.ListFactory) mContextMenuInfoFactory).makeInfoForAdapter(view, position, id, getAdapter());
return showContextMenuForChild(HomeListView.this);
} else {
mContextMenuInfo = null;
return false;
}
}
@Override
public ContextMenuInfo getContextMenuInfo() {
return mContextMenuInfo;
}
@Override
public void setOnItemClickListener(final AdapterView.OnItemClickListener listener) {
if (listener == null) {
super.setOnItemClickListener(null);
return;
}
super.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (mShowTopDivider) {
position--;
}
listener.onItemClick(parent, view, position, id);
}
});
}
public void setContextMenuInfoFactory(final HomeContextMenuInfo.Factory factory) {
mContextMenuInfoFactory = factory;
}
public OnUrlOpenListener getOnUrlOpenListener() {
return mUrlOpenListener;
}
public void setOnUrlOpenListener(OnUrlOpenListener listener) {
mUrlOpenListener = listener;
}
}
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