The Tor Browser / file comparison
comparison: mobile/android/base/home/HomeListView.java
mobile/android/base/home/HomeListView.java
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| 1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 package org.mozilla.gecko.home; | |
| 7 | |
| 8 import org.mozilla.gecko.R; | |
| 9 import org.mozilla.gecko.home.HomePager.OnUrlOpenListener; | |
| 10 | |
| 11 import android.content.Context; | |
| 12 import android.content.res.TypedArray; | |
| 13 import android.database.Cursor; | |
| 14 import android.graphics.drawable.Drawable; | |
| 15 import android.util.AttributeSet; | |
| 16 import android.view.ContextMenu.ContextMenuInfo; | |
| 17 import android.view.View; | |
| 18 import android.widget.AdapterView; | |
| 19 import android.widget.AdapterView.OnItemLongClickListener; | |
| 20 import android.widget.ListView; | |
| 21 | |
| 22 /** | |
| 23 * HomeListView is a custom extension of ListView, that packs a HomeContextMenuInfo | |
| 24 * when any of its rows is long pressed. | |
| 25 */ | |
| 26 public class HomeListView extends ListView | |
| 27 implements OnItemLongClickListener { | |
| 28 | |
| 29 // ContextMenuInfo associated with the currently long pressed list item. | |
| 30 private HomeContextMenuInfo mContextMenuInfo; | |
| 31 | |
| 32 // On URL open listener | |
| 33 protected OnUrlOpenListener mUrlOpenListener; | |
| 34 | |
| 35 // Top divider | |
| 36 private boolean mShowTopDivider; | |
| 37 | |
| 38 // ContextMenuInfo maker | |
| 39 private HomeContextMenuInfo.Factory mContextMenuInfoFactory; | |
| 40 | |
| 41 public HomeListView(Context context) { | |
| 42 this(context, null); | |
| 43 } | |
| 44 | |
| 45 public HomeListView(Context context, AttributeSet attrs) { | |
| 46 this(context, attrs, R.attr.homeListViewStyle); | |
| 47 } | |
| 48 | |
| 49 public HomeListView(Context context, AttributeSet attrs, int defStyle) { | |
| 50 super(context, attrs, defStyle); | |
| 51 | |
| 52 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.HomeListView, defStyle, 0); | |
| 53 mShowTopDivider = a.getBoolean(R.styleable.HomeListView_topDivider, false); | |
| 54 a.recycle(); | |
| 55 | |
| 56 setOnItemLongClickListener(this); | |
| 57 } | |
| 58 | |
| 59 @Override | |
| 60 public void onAttachedToWindow() { | |
| 61 super.onAttachedToWindow(); | |
| 62 | |
| 63 final Drawable divider = getDivider(); | |
| 64 if (mShowTopDivider && divider != null) { | |
| 65 final int dividerHeight = getDividerHeight(); | |
| 66 final View view = new View(getContext()); | |
| 67 view.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, dividerHeight)); | |
| 68 addHeaderView(view); | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 @Override | |
| 73 public void onDetachedFromWindow() { | |
| 74 super.onDetachedFromWindow(); | |
| 75 | |
| 76 mUrlOpenListener = null; | |
| 77 } | |
| 78 | |
| 79 @Override | |
| 80 public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { | |
| 81 Object item = parent.getItemAtPosition(position); | |
| 82 | |
| 83 // HomeListView could hold headers too. Add a context menu info only for its children. | |
| 84 if (item instanceof Cursor) { | |
| 85 Cursor cursor = (Cursor) item; | |
| 86 if (cursor == null || mContextMenuInfoFactory == null) { | |
| 87 mContextMenuInfo = null; | |
| 88 return false; | |
| 89 } | |
| 90 | |
| 91 mContextMenuInfo = mContextMenuInfoFactory.makeInfoForCursor(view, position, id, cursor); | |
| 92 return showContextMenuForChild(HomeListView.this); | |
| 93 | |
| 94 } else { | |
| 95 mContextMenuInfo = null; | |
| 96 return false; | |
| 97 } | |
| 98 } | |
| 99 | |
| 100 @Override | |
| 101 public ContextMenuInfo getContextMenuInfo() { | |
| 102 return mContextMenuInfo; | |
| 103 } | |
| 104 | |
| 105 @Override | |
| 106 public void setOnItemClickListener(final AdapterView.OnItemClickListener listener) { | |
| 107 if (listener == null) { | |
| 108 super.setOnItemClickListener(null); | |
| 109 return; | |
| 110 } | |
| 111 | |
| 112 super.setOnItemClickListener(new AdapterView.OnItemClickListener() { | |
| 113 @Override | |
| 114 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { | |
| 115 if (mShowTopDivider) { | |
| 116 position--; | |
| 117 } | |
| 118 | |
| 119 listener.onItemClick(parent, view, position, id); | |
| 120 } | |
| 121 }); | |
| 122 } | |
| 123 | |
| 124 public void setContextMenuInfoFactory(final HomeContextMenuInfo.Factory factory) { | |
| 125 mContextMenuInfoFactory = factory; | |
| 126 } | |
| 127 | |
| 128 public OnUrlOpenListener getOnUrlOpenListener() { | |
| 129 return mUrlOpenListener; | |
| 130 } | |
| 131 | |
| 132 public void setOnUrlOpenListener(OnUrlOpenListener listener) { | |
| 133 mUrlOpenListener = listener; | |
| 134 } | |
| 135 } |
