ListPopupWindow.java revision 5e66021c8a24c27c470cc6b9fe49e5653f3fa05d
1c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell/* 2c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Copyright (C) 2010 The Android Open Source Project 3c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 4c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Licensed under the Apache License, Version 2.0 (the "License"); 5c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * you may not use this file except in compliance with the License. 6c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * You may obtain a copy of the License at 7c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 8c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * http://www.apache.org/licenses/LICENSE-2.0 9c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 10c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Unless required by applicable law or agreed to in writing, software 11c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * distributed under the License is distributed on an "AS IS" BASIS, 12c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * See the License for the specific language governing permissions and 14c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * limitations under the License. 15c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 16c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 17c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellpackage android.widget; 18c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 19c05027214f1f4dda67296a072dfc9af9176dc590Alan Viveretteimport android.animation.Animator; 20c05027214f1f4dda67296a072dfc9af9176dc590Alan Viveretteimport android.animation.AnimatorListenerAdapter; 21c05027214f1f4dda67296a072dfc9af9176dc590Alan Viveretteimport android.animation.ObjectAnimator; 22c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.content.Context; 23c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.database.DataSetObserver; 24c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.graphics.Rect; 25c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.graphics.drawable.Drawable; 26c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.os.Handler; 27d3d9f3f1004dfee2649a26cfe8dba948cd364904Fabrice Di Meglioimport android.text.TextUtils; 28c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.util.AttributeSet; 29c05027214f1f4dda67296a072dfc9af9176dc590Alan Viveretteimport android.util.IntProperty; 30c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.util.Log; 31c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.view.KeyEvent; 32c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.view.MotionEvent; 33c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.view.View; 34c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.view.View.MeasureSpec; 35c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellimport android.view.View.OnTouchListener; 36ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viveretteimport android.view.ViewConfiguration; 37711734a2f8d7529df0ed1bce36da651fc835c144Gilles Debunneimport android.view.ViewGroup; 38711734a2f8d7529df0ed1bce36da651fc835c144Gilles Debunneimport android.view.ViewParent; 39c05027214f1f4dda67296a072dfc9af9176dc590Alan Viveretteimport android.view.animation.AccelerateDecelerateInterpolator; 40c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 415e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viveretteimport com.android.internal.widget.AutoScrollHelper.AbsListViewAutoScroller; 425e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette 431d3d7da331a3e9dc783819ab6fe29ea21c873f1eFabrice Di Meglioimport java.util.Locale; 441d3d7da331a3e9dc783819ab6fe29ea21c873f1eFabrice Di Meglio 45c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell/** 46c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * A ListPopupWindow anchors itself to a host view and displays a 4765d79fbe55c017edd9419ddb71939c8916471390Adam Powell * list of choices. 48c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 49c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>ListPopupWindow contains a number of tricky behaviors surrounding 50c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * positioning, scrolling parents to fit the dropdown, interacting 51c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * sanely with the IME if present, and others. 52c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 53c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see android.widget.AutoCompleteTextView 54c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see android.widget.Spinner 55c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 56c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powellpublic class ListPopupWindow { 57c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private static final String TAG = "ListPopupWindow"; 58c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private static final boolean DEBUG = false; 59c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 60c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 61c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * This value controls the length of time that the user 62c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * must leave a pointer down without scrolling to expand 63c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * the autocomplete dropdown list to cover the IME. 64c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 65c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private static final int EXPAND_LIST_TIMEOUT = 250; 66c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 67c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private Context mContext; 68c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private PopupWindow mPopup; 69c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private ListAdapter mAdapter; 70c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private DropDownListView mDropDownList; 71c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 72c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private int mDropDownHeight = ViewGroup.LayoutParams.WRAP_CONTENT; 73c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private int mDropDownWidth = ViewGroup.LayoutParams.WRAP_CONTENT; 74c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private int mDropDownHorizontalOffset; 75c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private int mDropDownVerticalOffset; 768132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell private boolean mDropDownVerticalOffsetSet; 77c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 78c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private boolean mDropDownAlwaysVisible = false; 79c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private boolean mForceIgnoreOutsideTouch = false; 80348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell int mListItemExpandMaximum = Integer.MAX_VALUE; 81c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 82c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private View mPromptView; 83c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private int mPromptPosition = POSITION_PROMPT_ABOVE; 84c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 85c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private DataSetObserver mObserver; 86c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 87c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private View mDropDownAnchorView; 88c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 89c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private Drawable mDropDownListHighlight; 90c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 91c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private AdapterView.OnItemClickListener mItemClickListener; 92c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private AdapterView.OnItemSelectedListener mItemSelectedListener; 93c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 944267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell private final ResizePopupRunnable mResizePopupRunnable = new ResizePopupRunnable(); 95c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private final PopupTouchInterceptor mTouchInterceptor = new PopupTouchInterceptor(); 96c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private final PopupScrollListener mScrollListener = new PopupScrollListener(); 97c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private final ListSelectorHider mHideSelector = new ListSelectorHider(); 98c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private Runnable mShowDropDownRunnable; 99c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 100c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private Handler mHandler = new Handler(); 101c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 102c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private Rect mTempRect = new Rect(); 103c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 104c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private boolean mModal; 105c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1061d3d7da331a3e9dc783819ab6fe29ea21c873f1eFabrice Di Meglio private int mLayoutDirection; 1071d3d7da331a3e9dc783819ab6fe29ea21c873f1eFabrice Di Meglio 108c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 109c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * The provided prompt view should appear above list content. 110c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 111c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #setPromptPosition(int) 112c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #getPromptPosition() 113c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #setPromptView(View) 114c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 115c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public static final int POSITION_PROMPT_ABOVE = 0; 116c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 117c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 118c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * The provided prompt view should appear below list content. 119c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 120c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #setPromptPosition(int) 121c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #getPromptPosition() 122c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #setPromptView(View) 123c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 124c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public static final int POSITION_PROMPT_BELOW = 1; 125c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 126c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 127c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Alias for {@link ViewGroup.LayoutParams#MATCH_PARENT}. 128c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * If used to specify a popup width, the popup will match the width of the anchor view. 129c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * If used to specify a popup height, the popup will fill available space. 130c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 131c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public static final int MATCH_PARENT = ViewGroup.LayoutParams.MATCH_PARENT; 132c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 133c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 134c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Alias for {@link ViewGroup.LayoutParams#WRAP_CONTENT}. 135c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * If used to specify a popup width, the popup will use the width of its content. 136c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 137c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public static final int WRAP_CONTENT = ViewGroup.LayoutParams.WRAP_CONTENT; 138c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 139c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 140c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Mode for {@link #setInputMethodMode(int)}: the requirements for the 141c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * input method should be based on the focusability of the popup. That is 142c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * if it is focusable than it needs to work with the input method, else 143c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * it doesn't. 144c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 145c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public static final int INPUT_METHOD_FROM_FOCUSABLE = PopupWindow.INPUT_METHOD_FROM_FOCUSABLE; 146c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 147c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 148c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Mode for {@link #setInputMethodMode(int)}: this popup always needs to 149c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * work with an input method, regardless of whether it is focusable. This 150c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * means that it will always be displayed so that the user can also operate 151c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * the input method while it is shown. 152c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 153c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public static final int INPUT_METHOD_NEEDED = PopupWindow.INPUT_METHOD_NEEDED; 154c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 155c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 156c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Mode for {@link #setInputMethodMode(int)}: this popup never needs to 157c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * work with an input method, regardless of whether it is focusable. This 158c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * means that it will always be displayed to use as much space on the 159c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * screen as needed, regardless of whether this covers the input method. 160c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 161c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public static final int INPUT_METHOD_NOT_NEEDED = PopupWindow.INPUT_METHOD_NOT_NEEDED; 162c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 163c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 164c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Create a new, empty popup window capable of displaying items from a ListAdapter. 165c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Backgrounds should be set using {@link #setBackgroundDrawable(Drawable)}. 166c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 167c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param context Context used for contained views. 168c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 169c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public ListPopupWindow(Context context) { 170c2238d006237ebf1296074d80fb4f4a2741ef880Daniel Lehmann this(context, null, com.android.internal.R.attr.listPopupWindowStyle, 0); 171c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 172c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 173c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 174c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Create a new, empty popup window capable of displaying items from a ListAdapter. 175c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Backgrounds should be set using {@link #setBackgroundDrawable(Drawable)}. 176c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 177c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param context Context used for contained views. 178c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param attrs Attributes from inflating parent views used to style the popup. 179c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 180c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public ListPopupWindow(Context context, AttributeSet attrs) { 1810b2d306e7000f4c0c6ad4e00d494bb401d8a9fc2Adam Powell this(context, attrs, com.android.internal.R.attr.listPopupWindowStyle, 0); 182c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 183c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 184c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 185c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Create a new, empty popup window capable of displaying items from a ListAdapter. 186c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Backgrounds should be set using {@link #setBackgroundDrawable(Drawable)}. 187c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 188c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param context Context used for contained views. 189c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param attrs Attributes from inflating parent views used to style the popup. 190c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param defStyleAttr Default style attribute to use for popup content. 191c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 192c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public ListPopupWindow(Context context, AttributeSet attrs, int defStyleAttr) { 193c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell this(context, attrs, defStyleAttr, 0); 194c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 195c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 196c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 197c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Create a new, empty popup window capable of displaying items from a ListAdapter. 198c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Backgrounds should be set using {@link #setBackgroundDrawable(Drawable)}. 199c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 200c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param context Context used for contained views. 201c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param attrs Attributes from inflating parent views used to style the popup. 202c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param defStyleAttr Style attribute to read for default styling of popup content. 203c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param defStyleRes Style resource ID to use for default styling of popup content. 204c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 205c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public ListPopupWindow(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 206c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mContext = context; 207c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup = new PopupWindow(context, attrs, defStyleAttr, defStyleRes); 2086f5e934b96c400f610b1c5ad228cc60cab5d443fAdam Powell mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED); 2091d3d7da331a3e9dc783819ab6fe29ea21c873f1eFabrice Di Meglio // Set the default layout direction to match the default locale one 2101d3d7da331a3e9dc783819ab6fe29ea21c873f1eFabrice Di Meglio final Locale locale = mContext.getResources().getConfiguration().locale; 211d3d9f3f1004dfee2649a26cfe8dba948cd364904Fabrice Di Meglio mLayoutDirection = TextUtils.getLayoutDirectionFromLocale(locale); 212c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 213c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 214c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 215c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets the adapter that provides the data and the views to represent the data 216c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * in this popup window. 217c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 218c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param adapter The adapter to use to create this window's content. 219c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 220c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setAdapter(ListAdapter adapter) { 221c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mObserver == null) { 222c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mObserver = new PopupDataSetObserver(); 223c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else if (mAdapter != null) { 22499969da3772d9a0f5079672847ca4f2ad819c1bbAdam Powell mAdapter.unregisterDataSetObserver(mObserver); 225c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 226c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mAdapter = adapter; 227c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mAdapter != null) { 228c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell adapter.registerDataSetObserver(mObserver); 229c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 230c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 231c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownList != null) { 232c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setAdapter(mAdapter); 233c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 234c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 235c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 236c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 237c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Set where the optional prompt view should appear. The default is 238c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * {@link #POSITION_PROMPT_ABOVE}. 239c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 240c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param position A position constant declaring where the prompt should be displayed. 241c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 242c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #POSITION_PROMPT_ABOVE 243c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #POSITION_PROMPT_BELOW 244c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 245c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setPromptPosition(int position) { 246c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPromptPosition = position; 247c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 248c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 249c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 250c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return Where the optional prompt view should appear. 251c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 252c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #POSITION_PROMPT_ABOVE 253c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #POSITION_PROMPT_BELOW 254c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 255c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public int getPromptPosition() { 256c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mPromptPosition; 257c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 258c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 259c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 260c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Set whether this window should be modal when shown. 261c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 262c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>If a popup window is modal, it will receive all touch and key input. 263c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * If the user touches outside the popup window's content area the popup window 264c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * will be dismissed. 265c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 266c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param modal {@code true} if the popup window should be modal, {@code false} otherwise. 267c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 268c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setModal(boolean modal) { 269c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mModal = true; 270c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setFocusable(modal); 271c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 272c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 273c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 274c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Returns whether the popup window will be modal when shown. 275c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 276c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return {@code true} if the popup window will be modal, {@code false} otherwise. 277c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 278c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean isModal() { 279c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mModal; 280c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 281c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 282c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 283c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Forces outside touches to be ignored. Normally if {@link #isDropDownAlwaysVisible()} is 284c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * false, we allow outside touch to dismiss the dropdown. If this is set to true, then we 285c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * ignore outside touch even when the drop down is not set to always visible. 286c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 287c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @hide Used only by AutoCompleteTextView to handle some internal special cases. 288c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 289c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setForceIgnoreOutsideTouch(boolean forceIgnoreOutsideTouch) { 290c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mForceIgnoreOutsideTouch = forceIgnoreOutsideTouch; 291c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 292c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 293c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 294c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets whether the drop-down should remain visible under certain conditions. 295c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 296c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * The drop-down will occupy the entire screen below {@link #getAnchorView} regardless 297c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * of the size or content of the list. {@link #getBackground()} will fill any space 298c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * that is not used by the list. 299c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 300c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param dropDownAlwaysVisible Whether to keep the drop-down visible. 301c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 302c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @hide Only used by AutoCompleteTextView under special conditions. 303c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 304c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setDropDownAlwaysVisible(boolean dropDownAlwaysVisible) { 305c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownAlwaysVisible = dropDownAlwaysVisible; 306c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 307c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 308c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 309c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return Whether the drop-down is visible under special conditions. 310c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 311c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @hide Only used by AutoCompleteTextView under special conditions. 312c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 313c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean isDropDownAlwaysVisible() { 314c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownAlwaysVisible; 315c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 316c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 317c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 318c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets the operating mode for the soft input area. 319c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 320c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param mode The desired mode, see 321c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * {@link android.view.WindowManager.LayoutParams#softInputMode} 322c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * for the full list 323c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 324c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see android.view.WindowManager.LayoutParams#softInputMode 325c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #getSoftInputMode() 326c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 327c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setSoftInputMode(int mode) { 328c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setSoftInputMode(mode); 329c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 330c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 331c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 332c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Returns the current value in {@link #setSoftInputMode(int)}. 333c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 334c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #setSoftInputMode(int) 335c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see android.view.WindowManager.LayoutParams#softInputMode 336c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 337c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public int getSoftInputMode() { 338c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mPopup.getSoftInputMode(); 339c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 340c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 341c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 342c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets a drawable to use as the list item selector. 343c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 344c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param selector List selector drawable to use in the popup. 345c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 346c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setListSelector(Drawable selector) { 347c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownListHighlight = selector; 348c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 349c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 350c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 351c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The background drawable for the popup window. 352c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 353c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public Drawable getBackground() { 354c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mPopup.getBackground(); 355c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 356c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 357c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 358c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets a drawable to be the background for the popup window. 359c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 360c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param d A drawable to set as the background. 361c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 362c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setBackgroundDrawable(Drawable d) { 363c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setBackgroundDrawable(d); 364c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 365c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 366c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 367c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Set an animation style to use when the popup window is shown or dismissed. 368c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 369c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param animationStyle Animation style to use. 370c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 371c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setAnimationStyle(int animationStyle) { 372c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setAnimationStyle(animationStyle); 373c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 374c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 375c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 376c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Returns the animation style that will be used when the popup window is 377c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * shown or dismissed. 378c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 379c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return Animation style that will be used. 380c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 381c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public int getAnimationStyle() { 382c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mPopup.getAnimationStyle(); 383c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 384c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 385c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 386c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Returns the view that will be used to anchor this popup. 387c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 388c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The popup's anchor view 389c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 390c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public View getAnchorView() { 391c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownAnchorView; 392c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 393c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 394c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 395c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets the popup's anchor view. This popup will always be positioned relative to 396c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * the anchor view when shown. 397c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 398c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param anchor The view to use as an anchor. 399c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 400c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setAnchorView(View anchor) { 401c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownAnchorView = anchor; 402c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 403c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 404c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 405c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The horizontal offset of the popup from its anchor in pixels. 406c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 407c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public int getHorizontalOffset() { 408c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownHorizontalOffset; 409c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 410c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 411c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 412c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Set the horizontal offset of this popup from its anchor view in pixels. 413c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 414a984b38df5cfe6db0ba792bf2a6221f6b6072448Adam Powell * @param offset The horizontal offset of the popup from its anchor. 415c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 416c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setHorizontalOffset(int offset) { 417c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownHorizontalOffset = offset; 418c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 419c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 420c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 421c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The vertical offset of the popup from its anchor in pixels. 422c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 423c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public int getVerticalOffset() { 4248132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell if (!mDropDownVerticalOffsetSet) { 4258132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell return 0; 4268132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell } 427c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownVerticalOffset; 428c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 429c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 430c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 431c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Set the vertical offset of this popup from its anchor view in pixels. 432c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 433a984b38df5cfe6db0ba792bf2a6221f6b6072448Adam Powell * @param offset The vertical offset of the popup from its anchor. 434c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 435c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setVerticalOffset(int offset) { 436c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownVerticalOffset = offset; 4378132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell mDropDownVerticalOffsetSet = true; 438c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 439c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 440c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 441c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The width of the popup window in pixels. 442c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 443c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public int getWidth() { 444c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownWidth; 445c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 446c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 447c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 448c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets the width of the popup window in pixels. Can also be {@link #MATCH_PARENT} 449c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * or {@link #WRAP_CONTENT}. 450c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 451c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param width Width of the popup window. 452c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 453c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setWidth(int width) { 454c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownWidth = width; 455c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 456c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 457c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 4584267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell * Sets the width of the popup window by the size of its content. The final width may be 4594267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell * larger to accommodate styled window dressing. 4604267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell * 4614267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell * @param width Desired width of content in pixels. 4624267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell */ 4634267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell public void setContentWidth(int width) { 4644267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell Drawable popupBackground = mPopup.getBackground(); 4654267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell if (popupBackground != null) { 466a39b987bb761899636ae1e3669d1343499d04ebdAdam Powell popupBackground.getPadding(mTempRect); 467a39b987bb761899636ae1e3669d1343499d04ebdAdam Powell mDropDownWidth = mTempRect.left + mTempRect.right + width; 46862e2bdecc21819a71c04204f20fc051886fdabd6Adam Powell } else { 46962e2bdecc21819a71c04204f20fc051886fdabd6Adam Powell setWidth(width); 4704267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell } 4714267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell } 4724267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell 4734267534d1c42af847ed0cefd1c88c99f66b36571Adam Powell /** 474c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The height of the popup window in pixels. 475c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 476c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public int getHeight() { 477c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownHeight; 478c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 479c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 480c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 481c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets the height of the popup window in pixels. Can also be {@link #MATCH_PARENT}. 482c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 483c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param height Height of the popup window. 484c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 485c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setHeight(int height) { 486c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownHeight = height; 487c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 488c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 489c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 490c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets a listener to receive events when a list item is clicked. 491c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 492c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param clickListener Listener to register 493c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 494c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see ListView#setOnItemClickListener(android.widget.AdapterView.OnItemClickListener) 495c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 496c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setOnItemClickListener(AdapterView.OnItemClickListener clickListener) { 497c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mItemClickListener = clickListener; 498c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 499c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 500c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 501c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Sets a listener to receive events when a list item is selected. 502c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 503c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param selectedListener Listener to register. 504c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 505c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see ListView#setOnItemSelectedListener(android.widget.AdapterView.OnItemSelectedListener) 506c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 507c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setOnItemSelectedListener(AdapterView.OnItemSelectedListener selectedListener) { 508c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mItemSelectedListener = selectedListener; 509c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 510c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 511c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 512c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Set a view to act as a user prompt for this popup window. Where the prompt view will appear 513c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * is controlled by {@link #setPromptPosition(int)}. 514c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 515c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param prompt View to use as an informational prompt. 516c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 517c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setPromptView(View prompt) { 518c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell boolean showing = isShowing(); 519c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (showing) { 520c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell removePromptView(); 521c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 522c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPromptView = prompt; 523c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (showing) { 524c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell show(); 525c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 526c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 527c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 528c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 529c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Post a {@link #show()} call to the UI thread. 530c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 531c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void postShow() { 532c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mHandler.post(mShowDropDownRunnable); 533c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 534c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 535c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 536c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Show the popup list. If the list is already showing, this method 537c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * will recalculate the popup's size and position. 538c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 539c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void show() { 540c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int height = buildDropDown(); 541c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 542c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int widthSpec = 0; 543c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int heightSpec = 0; 544c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 545c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell boolean noInputMethod = isInputMethodNotNeeded(); 546348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell mPopup.setAllowScrollingAnchorParent(!noInputMethod); 547c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 548c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mPopup.isShowing()) { 549c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownWidth == ViewGroup.LayoutParams.MATCH_PARENT) { 550c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // The call to PopupWindow's update method below can accept -1 for any 551c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // value you do not want to update. 552c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell widthSpec = -1; 553c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else if (mDropDownWidth == ViewGroup.LayoutParams.WRAP_CONTENT) { 554c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell widthSpec = getAnchorView().getWidth(); 555c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 556c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell widthSpec = mDropDownWidth; 557c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 558c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 559c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownHeight == ViewGroup.LayoutParams.MATCH_PARENT) { 560c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // The call to PopupWindow's update method below can accept -1 for any 561c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // value you do not want to update. 562c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell heightSpec = noInputMethod ? height : ViewGroup.LayoutParams.MATCH_PARENT; 563c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (noInputMethod) { 564c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setWindowLayoutMode( 565c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownWidth == ViewGroup.LayoutParams.MATCH_PARENT ? 566c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell ViewGroup.LayoutParams.MATCH_PARENT : 0, 0); 567c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 568c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setWindowLayoutMode( 569c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownWidth == ViewGroup.LayoutParams.MATCH_PARENT ? 570c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell ViewGroup.LayoutParams.MATCH_PARENT : 0, 571c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell ViewGroup.LayoutParams.MATCH_PARENT); 572c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 573c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else if (mDropDownHeight == ViewGroup.LayoutParams.WRAP_CONTENT) { 574c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell heightSpec = height; 575c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 576c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell heightSpec = mDropDownHeight; 577c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 578c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 579c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setOutsideTouchable(!mForceIgnoreOutsideTouch && !mDropDownAlwaysVisible); 580c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 581c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.update(getAnchorView(), mDropDownHorizontalOffset, 582c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownVerticalOffset, widthSpec, heightSpec); 583c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 584c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownWidth == ViewGroup.LayoutParams.MATCH_PARENT) { 585c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell widthSpec = ViewGroup.LayoutParams.MATCH_PARENT; 586c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 587c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownWidth == ViewGroup.LayoutParams.WRAP_CONTENT) { 588c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setWidth(getAnchorView().getWidth()); 589c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 590c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setWidth(mDropDownWidth); 591c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 592c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 593c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 594c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownHeight == ViewGroup.LayoutParams.MATCH_PARENT) { 595c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell heightSpec = ViewGroup.LayoutParams.MATCH_PARENT; 596c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 597c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownHeight == ViewGroup.LayoutParams.WRAP_CONTENT) { 598c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setHeight(height); 599c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 600c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setHeight(mDropDownHeight); 601c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 602c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 603c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 604c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setWindowLayoutMode(widthSpec, heightSpec); 60556c2d337e02a275397fc9d0460dca90977f199acAdam Powell mPopup.setClipToScreenEnabled(true); 606c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 607c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // use outside touchable to dismiss drop down when touching outside of it, so 608c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // only set this if the dropdown is not always visible 609c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setOutsideTouchable(!mForceIgnoreOutsideTouch && !mDropDownAlwaysVisible); 610c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setTouchInterceptor(mTouchInterceptor); 611c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.showAsDropDown(getAnchorView(), 612c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownHorizontalOffset, mDropDownVerticalOffset); 613c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setSelection(ListView.INVALID_POSITION); 614c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 615c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (!mModal || mDropDownList.isInTouchMode()) { 616c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell clearListSelection(); 617c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 618c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (!mModal) { 619c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mHandler.post(mHideSelector); 620c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 621c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 622c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 623c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 624c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 625c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Dismiss the popup window. 626c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 627c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void dismiss() { 628c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.dismiss(); 629c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell removePromptView(); 630c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setContentView(null); 631c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList = null; 632ca51e8788a58f2af3525b7214a675f2d0233e5daAdam Powell mHandler.removeCallbacks(mResizePopupRunnable); 633c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 634c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 6356c6f575423d6718c3ff322224c1520901ce881e1Adam Powell /** 6366c6f575423d6718c3ff322224c1520901ce881e1Adam Powell * Set a listener to receive a callback when the popup is dismissed. 6376c6f575423d6718c3ff322224c1520901ce881e1Adam Powell * 6386c6f575423d6718c3ff322224c1520901ce881e1Adam Powell * @param listener Listener that will be notified when the popup is dismissed. 6396c6f575423d6718c3ff322224c1520901ce881e1Adam Powell */ 6406c6f575423d6718c3ff322224c1520901ce881e1Adam Powell public void setOnDismissListener(PopupWindow.OnDismissListener listener) { 6416c6f575423d6718c3ff322224c1520901ce881e1Adam Powell mPopup.setOnDismissListener(listener); 6426c6f575423d6718c3ff322224c1520901ce881e1Adam Powell } 6436c6f575423d6718c3ff322224c1520901ce881e1Adam Powell 644c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private void removePromptView() { 645c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mPromptView != null) { 646c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final ViewParent parent = mPromptView.getParent(); 647c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (parent instanceof ViewGroup) { 648c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final ViewGroup group = (ViewGroup) parent; 649c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell group.removeView(mPromptView); 650c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 651c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 652c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 653c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 654c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 655c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Control how the popup operates with an input method: one of 656c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * {@link #INPUT_METHOD_FROM_FOCUSABLE}, {@link #INPUT_METHOD_NEEDED}, 657c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * or {@link #INPUT_METHOD_NOT_NEEDED}. 658c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 659c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>If the popup is showing, calling this method will take effect only 660c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * the next time the popup is shown or through a manual call to the {@link #show()} 661c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * method.</p> 662c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 663c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #getInputMethodMode() 664c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #show() 665c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 666c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setInputMethodMode(int mode) { 667c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setInputMethodMode(mode); 668c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 669c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 670c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 671c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Return the current value in {@link #setInputMethodMode(int)}. 672c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 673c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #setInputMethodMode(int) 674c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 675c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public int getInputMethodMode() { 676c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mPopup.getInputMethodMode(); 677c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 678c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 679c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 680c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Set the selected position of the list. 681c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Only valid when {@link #isShowing()} == {@code true}. 682c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 683c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param position List position to set as selected. 684c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 685c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void setSelection(int position) { 686c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell DropDownListView list = mDropDownList; 687c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (isShowing() && list != null) { 688c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell list.mListSelectionHidden = false; 689c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell list.setSelection(position); 690c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (list.getChoiceMode() != ListView.CHOICE_MODE_NONE) { 691c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell list.setItemChecked(position, true); 692c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 693c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 694c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 695c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 696c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 697c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Clear any current list selection. 698c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Only valid when {@link #isShowing()} == {@code true}. 699c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 700c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void clearListSelection() { 701c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final DropDownListView list = mDropDownList; 702c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (list != null) { 703c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // WARNING: Please read the comment where mListSelectionHidden is declared 704c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell list.mListSelectionHidden = true; 705c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell list.hideSelector(); 706c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell list.requestLayout(); 707c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 708c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 709c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 710c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 711c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return {@code true} if the popup is currently showing, {@code false} otherwise. 712c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 713c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean isShowing() { 714c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mPopup.isShowing(); 715c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 716c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 717c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 718c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return {@code true} if this popup is configured to assume the user does not need 719c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * to interact with the IME while it is showing, {@code false} otherwise. 720c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 721c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean isInputMethodNotNeeded() { 722c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mPopup.getInputMethodMode() == INPUT_METHOD_NOT_NEEDED; 723c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 724c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 725c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 726c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Perform an item click operation on the specified list adapter position. 727c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 728c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param position Adapter position for performing the click 729c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return true if the click action could be performed, false if not. 730c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * (e.g. if the popup was not showing, this method would return false.) 731c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 732c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean performItemClick(int position) { 733c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (isShowing()) { 734c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mItemClickListener != null) { 735c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final DropDownListView list = mDropDownList; 736c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final View child = list.getChildAt(position - list.getFirstVisiblePosition()); 737cdee446075811e871fc2af295377bd99c100d16dAdam Powell final ListAdapter adapter = list.getAdapter(); 738cdee446075811e871fc2af295377bd99c100d16dAdam Powell mItemClickListener.onItemClick(list, child, position, adapter.getItemId(position)); 739c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 740c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return true; 741c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 742c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return false; 743c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 744c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 745c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 746c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The currently selected item or null if the popup is not showing. 747c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 748c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public Object getSelectedItem() { 749c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (!isShowing()) { 750c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return null; 751c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 752c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownList.getSelectedItem(); 753c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 754c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 755c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 756c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The position of the currently selected item or {@link ListView#INVALID_POSITION} 757c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * if {@link #isShowing()} == {@code false}. 758c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 759c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see ListView#getSelectedItemPosition() 760c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 761c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public int getSelectedItemPosition() { 762c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (!isShowing()) { 763c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return ListView.INVALID_POSITION; 764c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 765c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownList.getSelectedItemPosition(); 766c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 767c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 768c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 769c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The ID of the currently selected item or {@link ListView#INVALID_ROW_ID} 770c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * if {@link #isShowing()} == {@code false}. 771c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 772c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see ListView#getSelectedItemId() 773c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 774c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public long getSelectedItemId() { 775c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (!isShowing()) { 776c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return ListView.INVALID_ROW_ID; 777c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 778c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownList.getSelectedItemId(); 779c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 780c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 781c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 782c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The View for the currently selected item or null if 783c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * {@link #isShowing()} == {@code false}. 784c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 785c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see ListView#getSelectedView() 786c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 787c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public View getSelectedView() { 788c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (!isShowing()) { 789c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return null; 790c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 791c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownList.getSelectedView(); 792c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 793c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 794c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 795c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return The {@link ListView} displayed within the popup window. 796c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Only valid when {@link #isShowing()} == {@code true}. 797c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 798c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public ListView getListView() { 799c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mDropDownList; 800c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 801c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 802c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 803348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell * The maximum number of list items that can be visible and still have 804348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell * the list expand when touched. 805348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell * 806348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell * @param max Max number of items that can be visible and still allow the list to expand. 807348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell */ 808348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell void setListItemExpandMax(int max) { 809348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell mListItemExpandMaximum = max; 810348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell } 811348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell 812348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell /** 8138d6d3b83fb765eefc6fd38de77f1f45d2523ab89Jeff Brown * Filter key down events. By forwarding key down events to this function, 814c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * views using non-modal ListPopupWindow can have it handle key selection of items. 815c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 816c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param keyCode keyCode param passed to the host view's onKeyDown 817c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param event event param passed to the host view's onKeyDown 818c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return true if the event was handled, false if it was ignored. 819c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 820c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #setModal(boolean) 821c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 822c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean onKeyDown(int keyCode, KeyEvent event) { 823c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // when the drop down is shown, we drive it directly 824c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (isShowing()) { 825c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // the key events are forwarded to the list in the drop down view 826c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // note that ListView handles space but we don't want that to happen 827c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // also if selection is not currently in the drop down, then don't 828c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // let center or enter presses go there since that would cause it 829c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // to select one of its items 830c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (keyCode != KeyEvent.KEYCODE_SPACE 831c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell && (mDropDownList.getSelectedItemPosition() >= 0 83224d36f592224d1316165f579bb0937df0bf42f7cMichael Wright || !KeyEvent.isConfirmKey(keyCode))) { 833c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int curIndex = mDropDownList.getSelectedItemPosition(); 834c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell boolean consumed; 835c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 836c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final boolean below = !mPopup.isAboveAnchor(); 837c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 838c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final ListAdapter adapter = mAdapter; 839c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 840c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell boolean allEnabled; 841c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int firstItem = Integer.MAX_VALUE; 842c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int lastItem = Integer.MIN_VALUE; 843c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 844c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (adapter != null) { 845c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell allEnabled = adapter.areAllItemsEnabled(); 846c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell firstItem = allEnabled ? 0 : 847c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.lookForSelectablePosition(0, true); 848c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell lastItem = allEnabled ? adapter.getCount() - 1 : 849c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.lookForSelectablePosition(adapter.getCount() - 1, false); 850c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 851c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 852c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if ((below && keyCode == KeyEvent.KEYCODE_DPAD_UP && curIndex <= firstItem) || 853c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell (!below && keyCode == KeyEvent.KEYCODE_DPAD_DOWN && curIndex >= lastItem)) { 854c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // When the selection is at the top, we block the key 855c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // event to prevent focus from moving. 856c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell clearListSelection(); 857c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NEEDED); 858c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell show(); 859c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return true; 860c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 861c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // WARNING: Please read the comment where mListSelectionHidden 862c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // is declared 863c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.mListSelectionHidden = false; 864c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 865c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 866c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell consumed = mDropDownList.onKeyDown(keyCode, event); 867c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (DEBUG) Log.v(TAG, "Key down: code=" + keyCode + " list consumed=" + consumed); 868c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 869c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (consumed) { 870c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // If it handled the key event, then the user is 871c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // navigating in the list, so we should put it in front. 872c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED); 873c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // Here's a little trick we need to do to make sure that 874c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // the list view is actually showing its focus indicator, 875c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // by ensuring it has focus and getting its window out 876c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // of touch mode. 877c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.requestFocusFromTouch(); 878c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell show(); 879c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 880c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell switch (keyCode) { 881c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // avoid passing the focus from the text view to the 882c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // next component 883c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell case KeyEvent.KEYCODE_ENTER: 884c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell case KeyEvent.KEYCODE_DPAD_CENTER: 885c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell case KeyEvent.KEYCODE_DPAD_DOWN: 886c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell case KeyEvent.KEYCODE_DPAD_UP: 887c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return true; 888c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 889c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 890c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (below && keyCode == KeyEvent.KEYCODE_DPAD_DOWN) { 891c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // when the selection is at the bottom, we block the 892c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // event to avoid going to the next focusable widget 893c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (curIndex == lastItem) { 894c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return true; 895c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 896c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else if (!below && keyCode == KeyEvent.KEYCODE_DPAD_UP && 897c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell curIndex == firstItem) { 898c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return true; 899c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 900c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 901c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 902c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 903c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 904c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return false; 905c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 906c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 907c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 908c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Filter key down events. By forwarding key up events to this function, 909c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * views using non-modal ListPopupWindow can have it handle key selection of items. 910c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 911c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param keyCode keyCode param passed to the host view's onKeyUp 912c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param event event param passed to the host view's onKeyUp 913c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return true if the event was handled, false if it was ignored. 914c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 915c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #setModal(boolean) 916c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 917c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean onKeyUp(int keyCode, KeyEvent event) { 918c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (isShowing() && mDropDownList.getSelectedItemPosition() >= 0) { 919c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell boolean consumed = mDropDownList.onKeyUp(keyCode, event); 92024d36f592224d1316165f579bb0937df0bf42f7cMichael Wright if (consumed && KeyEvent.isConfirmKey(keyCode)) { 92124d36f592224d1316165f579bb0937df0bf42f7cMichael Wright // if the list accepts the key events and the key event was a click, the text view 92224d36f592224d1316165f579bb0937df0bf42f7cMichael Wright // gets the selected item from the drop down as its content 92324d36f592224d1316165f579bb0937df0bf42f7cMichael Wright dismiss(); 924c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 925c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return consumed; 926c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 927c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return false; 928c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 929c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 930c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 931c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Filter pre-IME key events. By forwarding {@link View#onKeyPreIme(int, KeyEvent)} 932c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * events to this function, views using ListPopupWindow can have it dismiss the popup 933c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * when the back key is pressed. 934c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 935c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param keyCode keyCode param passed to the host view's onKeyPreIme 936c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param event event param passed to the host view's onKeyPreIme 937c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return true if the event was handled, false if it was ignored. 938c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 939c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @see #setModal(boolean) 940c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 941c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean onKeyPreIme(int keyCode, KeyEvent event) { 942c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (keyCode == KeyEvent.KEYCODE_BACK && isShowing()) { 943c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // special case for the back key, we do not even try to send it 944c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // to the drop down list but instead, consume it immediately 945c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final View anchorView = mDropDownAnchorView; 946c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount() == 0) { 947b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown KeyEvent.DispatcherState state = anchorView.getKeyDispatcherState(); 948b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown if (state != null) { 949b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown state.startTracking(event, this); 950b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown } 951c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return true; 952c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else if (event.getAction() == KeyEvent.ACTION_UP) { 953b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown KeyEvent.DispatcherState state = anchorView.getKeyDispatcherState(); 954b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown if (state != null) { 955b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown state.handleUpEvent(event); 956b3ea92235c9ccc1ff295839a8f324dcd1c83dd6fJeff Brown } 957c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (event.isTracking() && !event.isCanceled()) { 958c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell dismiss(); 959c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return true; 960c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 961c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 962c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 963c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return false; 964c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 965c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 966c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 967c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>Builds the popup window's content and returns the height the popup 968c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * should have. Returns -1 when the content already exists.</p> 969c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 970c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return the content's height or -1 if content already exists 971c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 972c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private int buildDropDown() { 973c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell ViewGroup dropDownView; 974c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int otherHeights = 0; 975c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 976c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownList == null) { 977c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell Context context = mContext; 978c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 979c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 980c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * This Runnable exists for the sole purpose of checking if the view layout has got 981c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * completed and if so call showDropDown to display the drop down. This is used to show 982c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * the drop down as soon as possible after user opens up the search dialog, without 983c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * waiting for the normal UI pipeline to do it's job which is slower than this method. 984c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 985c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mShowDropDownRunnable = new Runnable() { 986c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void run() { 987c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // View layout should be all done before displaying the drop down. 988c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell View view = getAnchorView(); 989c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (view != null && view.getWindowToken() != null) { 990c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell show(); 991c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 992c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 993c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell }; 994c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 995c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList = new DropDownListView(context, !mModal); 996c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownListHighlight != null) { 997c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setSelector(mDropDownListHighlight); 998c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 999c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setAdapter(mAdapter); 1000c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setOnItemClickListener(mItemClickListener); 1001c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setFocusable(true); 1002c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setFocusableInTouchMode(true); 1003c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { 1004c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void onItemSelected(AdapterView<?> parent, View view, 1005c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int position, long id) { 1006c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1007c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (position != -1) { 1008c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell DropDownListView dropDownList = mDropDownList; 1009c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1010c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (dropDownList != null) { 1011c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell dropDownList.mListSelectionHidden = false; 1012c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1013c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1014c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1015c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1016c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void onNothingSelected(AdapterView<?> parent) { 1017c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1018c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell }); 1019c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setOnScrollListener(mScrollListener); 1020c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1021c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mItemSelectedListener != null) { 1022c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mDropDownList.setOnItemSelectedListener(mItemSelectedListener); 1023c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1024c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1025c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell dropDownView = mDropDownList; 1026c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1027c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell View hintView = mPromptView; 1028c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (hintView != null) { 1029f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa // if a hint has been specified, we accomodate more space for it and 1030c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // add a text view in the drop down menu, at the bottom of the list 1031c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell LinearLayout hintContainer = new LinearLayout(context); 1032c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell hintContainer.setOrientation(LinearLayout.VERTICAL); 1033c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1034c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell LinearLayout.LayoutParams hintParams = new LinearLayout.LayoutParams( 1035c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell ViewGroup.LayoutParams.MATCH_PARENT, 0, 1.0f 1036c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell ); 1037c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1038c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell switch (mPromptPosition) { 1039c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell case POSITION_PROMPT_BELOW: 1040c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell hintContainer.addView(dropDownView, hintParams); 1041c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell hintContainer.addView(hintView); 1042c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell break; 1043c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1044c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell case POSITION_PROMPT_ABOVE: 1045c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell hintContainer.addView(hintView); 1046c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell hintContainer.addView(dropDownView, hintParams); 1047c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell break; 1048c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1049c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell default: 1050c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell Log.e(TAG, "Invalid hint position " + mPromptPosition); 1051c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell break; 1052c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1053c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1054c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // measure the hint's height to find how much more vertical space 1055c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // we need to add to the drop down's height 1056c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int widthSpec = MeasureSpec.makeMeasureSpec(mDropDownWidth, MeasureSpec.AT_MOST); 1057c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int heightSpec = MeasureSpec.UNSPECIFIED; 1058c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell hintView.measure(widthSpec, heightSpec); 1059c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1060c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell hintParams = (LinearLayout.LayoutParams) hintView.getLayoutParams(); 1061c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell otherHeights = hintView.getMeasuredHeight() + hintParams.topMargin 1062c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell + hintParams.bottomMargin; 1063c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1064c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell dropDownView = hintContainer; 1065c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1066c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1067c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup.setContentView(dropDownView); 1068c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else { 1069c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell dropDownView = (ViewGroup) mPopup.getContentView(); 1070c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final View view = mPromptView; 1071c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (view != null) { 1072c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell LinearLayout.LayoutParams hintParams = 1073c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell (LinearLayout.LayoutParams) view.getLayoutParams(); 1074c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell otherHeights = view.getMeasuredHeight() + hintParams.topMargin 1075c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell + hintParams.bottomMargin; 1076c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1077c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1078c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 10798132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell // getMaxAvailableHeight() subtracts the padding, so we put it back 1080c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // to get the available height for the whole window 1081c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int padding = 0; 1082c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell Drawable background = mPopup.getBackground(); 1083c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (background != null) { 1084c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell background.getPadding(mTempRect); 1085c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell padding = mTempRect.top + mTempRect.bottom; 10868132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell 10878132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell // If we don't have an explicit vertical offset, determine one from the window 10888132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell // background so that content will line up. 10898132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell if (!mDropDownVerticalOffsetSet) { 10908132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell mDropDownVerticalOffset = -mTempRect.top; 10918132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell } 10927507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell } else { 10937507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell mTempRect.setEmpty(); 1094c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1095c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 10968132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell // Max height available on the screen for a popup. 10978132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell boolean ignoreBottomDecorations = 10988132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell mPopup.getInputMethodMode() == PopupWindow.INPUT_METHOD_NOT_NEEDED; 10998132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell final int maxHeight = mPopup.getMaxAvailableHeight( 11008132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell getAnchorView(), mDropDownVerticalOffset, ignoreBottomDecorations); 11018132ba5e2e82d02697ef0570142abb8fc8054a67Adam Powell 1102c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (mDropDownAlwaysVisible || mDropDownHeight == ViewGroup.LayoutParams.MATCH_PARENT) { 1103c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return maxHeight + padding; 1104c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1105c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 11067507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell final int childWidthSpec; 11077507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell switch (mDropDownWidth) { 11087507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell case ViewGroup.LayoutParams.WRAP_CONTENT: 11097507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell childWidthSpec = MeasureSpec.makeMeasureSpec( 11107507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell mContext.getResources().getDisplayMetrics().widthPixels - 11117507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell (mTempRect.left + mTempRect.right), 11127507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell MeasureSpec.AT_MOST); 11137507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell break; 11147507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell case ViewGroup.LayoutParams.MATCH_PARENT: 11157507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell childWidthSpec = MeasureSpec.makeMeasureSpec( 11167507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell mContext.getResources().getDisplayMetrics().widthPixels - 11177507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell (mTempRect.left + mTempRect.right), 11187507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell MeasureSpec.EXACTLY); 11197507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell break; 11207507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell default: 11217507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell childWidthSpec = MeasureSpec.makeMeasureSpec(mDropDownWidth, MeasureSpec.EXACTLY); 11227507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell break; 11237507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell } 11247507d3d31cb3d0ca190efc9d6b7ead5d6336f8d6Adam Powell final int listContent = mDropDownList.measureHeightOfChildren(childWidthSpec, 1125a7845ed44a3722e7d96ca9b677be213da7e8c8feAdam Powell 0, ListView.NO_POSITION, maxHeight - otherHeights, -1); 1126c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // add padding only if the list has items in it, that way we don't show 1127c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // the popup if it is not needed 1128c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (listContent > 0) otherHeights += padding; 1129c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1130c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return listContent + otherHeights; 1131c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1132c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 11331d3d7da331a3e9dc783819ab6fe29ea21c873f1eFabrice Di Meglio /** 1134ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * Abstract class that forwards touch events to a {@link ListPopupWindow}. 1135ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * 1136ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @hide 1137ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette */ 1138ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette public static abstract class ForwardingListener implements View.OnTouchListener { 1139ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette /** Scaled touch slop, used for detecting movement outside bounds. */ 1140ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette private final float mScaledTouchSlop; 1141ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1142ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette /** Whether this listener is currently forwarding touch events. */ 1143ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette private boolean mForwarding; 1144ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1145ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette /** The id of the first pointer down in the current event stream. */ 1146ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette private int mActivePointerId; 1147ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1148ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette public ForwardingListener(Context context) { 1149ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette mScaledTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop(); 1150ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1151ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1152ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette /** 1153ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * Returns the popup to which this listener is forwarding events. 1154ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * <p> 1155ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * Override this to return the correct popup. If the popup is displayed 1156ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * asynchronously, you may also need to override 1157ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * {@link #onForwardingStopped} to prevent premature cancelation of 1158ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * forwarding. 1159ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * 1160ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @return the popup to which this listener is forwarding events 1161ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette */ 1162ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette public abstract ListPopupWindow getPopup(); 1163ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1164ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette @Override 1165ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette public boolean onTouch(View v, MotionEvent event) { 1166ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final boolean wasForwarding = mForwarding; 1167ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final boolean forwarding; 1168ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette if (wasForwarding) { 1169ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette forwarding = onTouchForwarded(v, event) || !onForwardingStopped(); 1170ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } else { 1171ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette forwarding = onTouchObserved(v, event) && onForwardingStarted(); 1172ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1173ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1174ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette mForwarding = forwarding; 1175ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette return forwarding || wasForwarding; 1176ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1177ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1178ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette /** 1179ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * Called when forwarding would like to start. 1180ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * <p> 1181ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * By default, this will show the popup returned by {@link #getPopup()}. 1182ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * It may be overridden to perform another action, like clicking the 1183ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * source view or preparing the popup before showing it. 1184ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * 1185ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @return true to start forwarding, false otherwise 1186ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette */ 1187ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette public boolean onForwardingStarted() { 1188ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final ListPopupWindow popup = getPopup(); 1189ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette if (popup != null && !popup.isShowing()) { 1190ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette popup.show(); 1191ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1192ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette return true; 1193ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1194ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1195ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette /** 1196ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * Called when forwarding would like to stop. 1197ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * <p> 1198ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * By default, this will dismiss the popup returned by 1199ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * {@link #getPopup()}. It may be overridden to perform some other 1200ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * action. 1201ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * 1202ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @return true to stop forwarding, false otherwise 1203ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette */ 1204ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette public boolean onForwardingStopped() { 1205ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final ListPopupWindow popup = getPopup(); 1206ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette if (popup != null && popup.isShowing()) { 1207ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette popup.dismiss(); 1208ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1209ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette return true; 1210ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1211ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1212ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette /** 1213ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * Observes motion events and determines when to start forwarding. 1214ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * 1215ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @param src view from which the event originated 1216ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @param srcEvent motion event in source view coordinates 1217ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @return true to start forwarding motion events, false otherwise 1218ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette */ 1219ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette private boolean onTouchObserved(View src, MotionEvent srcEvent) { 1220ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette if (!src.isEnabled()) { 1221ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette return false; 1222ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1223ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1224ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette // The first pointer down is always the active pointer. 1225ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final int actionMasked = srcEvent.getActionMasked(); 1226ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette if (actionMasked == MotionEvent.ACTION_DOWN) { 1227ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette mActivePointerId = srcEvent.getPointerId(0); 1228ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1229ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1230ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final int activePointerIndex = srcEvent.findPointerIndex(mActivePointerId); 1231ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette if (activePointerIndex >= 0) { 1232ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final float x = srcEvent.getX(activePointerIndex); 1233ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final float y = srcEvent.getY(activePointerIndex); 1234ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette if (!src.pointInView(x, y, mScaledTouchSlop)) { 1235ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette // The pointer has moved outside of the view. 1236ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette return true; 1237ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1238ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1239ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1240ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette return false; 1241ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1242ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1243ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette /** 1244ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * Handled forwarded motion events and determines when to stop 1245ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * forwarding. 1246ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * 1247ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @param src view from which the event originated 1248ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @param srcEvent motion event in source view coordinates 1249ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette * @return true to continue forwarding motion events, false to cancel 1250ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette */ 1251ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette private boolean onTouchForwarded(View src, MotionEvent srcEvent) { 1252ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final ListPopupWindow popup = getPopup(); 1253ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette if (popup == null || !popup.isShowing()) { 1254ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette return false; 1255ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1256ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1257ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final DropDownListView dst = popup.mDropDownList; 1258ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette if (dst == null || !dst.isShown()) { 1259ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette return false; 1260ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1261ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1262ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette // Convert event to destination-local coordinates. 1263ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final MotionEvent dstEvent = MotionEvent.obtainNoHistory(srcEvent); 1264ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette src.toGlobalMotionEvent(dstEvent); 1265ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette dst.toLocalMotionEvent(dstEvent); 1266ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1267ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette // Forward converted event to destination view, then recycle it. 1268ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette final boolean handled = dst.onForwardedEvent(dstEvent, mActivePointerId); 1269ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette dstEvent.recycle(); 1270ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette return handled; 1271ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1272ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette } 1273ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette 1274ca6a3611cdb28a514834adba35fcce2da6f2e7c2Alan Viverette /** 1275c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>Wrapper class for a ListView. This wrapper can hijack the focus to 1276c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * make sure the list uses the appropriate drawables and states when 1277c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * displayed on screen within a drop down. The focus is never actually 1278c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * passed to the drop down in this mode; the list only looks focused.</p> 1279c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 1280c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private static class DropDownListView extends ListView { 1281c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette /** Duration in milliseconds of the drag-to-open click animation. */ 1282c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette private static final long CLICK_ANIM_DURATION = 150; 1283c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1284c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette /** Target alpha value for drag-to-open click animation. */ 1285c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette private static final int CLICK_ANIM_ALPHA = 0x80; 1286c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1287c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette /** Wrapper around Drawable's <code>alpha</code> property. */ 1288c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette private static final IntProperty<Drawable> DRAWABLE_ALPHA = 1289c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette new IntProperty<Drawable>("alpha") { 1290c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette @Override 1291c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette public void setValue(Drawable object, int value) { 1292c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette object.setAlpha(value); 1293c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1294c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1295c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette @Override 1296c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette public Integer get(Drawable object) { 1297c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette return object.getAlpha(); 1298c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1299c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette }; 1300c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1301c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /* 1302c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * WARNING: This is a workaround for a touch mode issue. 1303c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1304c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Touch mode is propagated lazily to windows. This causes problems in 1305c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * the following scenario: 1306c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * - Type something in the AutoCompleteTextView and get some results 1307c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * - Move down with the d-pad to select an item in the list 1308c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * - Move up with the d-pad until the selection disappears 1309c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * - Type more text in the AutoCompleteTextView *using the soft keyboard* 1310c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * and get new results; you are now in touch mode 1311c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * - The selection comes back on the first item in the list, even though 1312c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * the list is supposed to be in touch mode 1313c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1314c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * Using the soft keyboard triggers the touch mode change but that change 1315c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * is propagated to our window only after the first list layout, therefore 1316c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * after the list attempts to resurrect the selection. 1317c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1318c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * The trick to work around this issue is to pretend the list is in touch 1319c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * mode when we know that the selection should not appear, that is when 1320c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * we know the user moved the selection away from the list. 1321c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1322c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * This boolean is set to true whenever we explicitly hide the list's 1323c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * selection and reset to false whenever we know the user moved the 1324c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * selection back to the list. 1325c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1326c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * When this boolean is true, isInTouchMode() returns true, otherwise it 1327c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * returns super.isInTouchMode(). 1328c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 1329c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private boolean mListSelectionHidden; 1330c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1331c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 1332c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * True if this wrapper should fake focus. 1333c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 1334c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private boolean mHijackFocus; 1335c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1336c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette /** Whether to force drawing of the pressed state selector. */ 1337c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette private boolean mDrawsInPressedState; 1338c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1339c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette /** Current drag-to-open click animation, if any. */ 1340c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette private Animator mClickAnimation; 1341c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 13425e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette /** Helper for drag-to-open auto scrolling. */ 13435e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette private AbsListViewAutoScroller mScrollHelper; 13445e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette 1345c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 1346c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>Creates a new list view wrapper.</p> 1347c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1348c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param context this view's context 1349c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 1350c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public DropDownListView(Context context, boolean hijackFocus) { 1351c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell super(context, null, com.android.internal.R.attr.dropDownListViewStyle); 1352c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mHijackFocus = hijackFocus; 1353b1818e83f4a81bc4e4e30b99bb48830415be731bAmith Yamasani // TODO: Add an API to control this 1354b1818e83f4a81bc4e4e30b99bb48830415be731bAmith Yamasani setCacheColorHint(0); // Transparent, since the background drawable could be anything. 1355c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1356c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1357c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 1358c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette * Handles forwarded events. 1359c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette * 1360c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette * @param activePointerId id of the pointer that activated forwarding 1361c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette * @return whether the event was handled 1362c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette */ 1363c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette public boolean onForwardedEvent(MotionEvent event, int activePointerId) { 1364c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette boolean handledEvent = true; 1365c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette boolean clearPressedItem = false; 1366c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1367c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette final int actionMasked = event.getActionMasked(); 1368c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette switch (actionMasked) { 1369c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette case MotionEvent.ACTION_CANCEL: 1370c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette handledEvent = false; 1371c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette break; 1372c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette case MotionEvent.ACTION_UP: 1373c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette handledEvent = false; 1374c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette // $FALL-THROUGH$ 1375c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette case MotionEvent.ACTION_MOVE: 1376c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette final int activeIndex = event.findPointerIndex(activePointerId); 1377c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette if (activeIndex < 0) { 1378c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette handledEvent = false; 1379c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette break; 1380c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1381c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1382c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette final int x = (int) event.getX(activeIndex); 1383c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette final int y = (int) event.getY(activeIndex); 1384c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette final int position = pointToPosition(x, y); 1385c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette if (position == INVALID_POSITION) { 1386c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette clearPressedItem = true; 1387c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette break; 1388c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1389c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1390c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette final View child = getChildAt(position - getFirstVisiblePosition()); 1391c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette setPressedItem(child, position); 1392c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette handledEvent = true; 1393c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1394c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette if (actionMasked == MotionEvent.ACTION_UP) { 1395c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette clickPressedItem(child, position); 1396c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1397c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette break; 1398c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1399c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1400c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette // Failure to handle the event cancels forwarding. 1401c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette if (!handledEvent || clearPressedItem) { 1402c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette clearPressedItem(); 1403c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1404c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 14055e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette // Manage automatic scrolling. 14065e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette if (handledEvent) { 14075e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette if (mScrollHelper == null) { 14085e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette mScrollHelper = new AbsListViewAutoScroller(this); 14095e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette } 14105e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette mScrollHelper.setEnabled(true); 14115e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette mScrollHelper.onTouch(this, event); 14125e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette } else if (mScrollHelper != null) { 14135e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette mScrollHelper.setEnabled(false); 14145e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette } 14155e66021c8a24c27c470cc6b9fe49e5653f3fa05dAlan Viverette 1416c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette return handledEvent; 1417c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1418c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1419c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette /** 1420c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette * Starts an alpha animation on the selector. When the animation ends, 1421c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette * the list performs a click on the item. 1422c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette */ 1423c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette private void clickPressedItem(final View child, final int position) { 1424c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette final long id = getItemIdAtPosition(position); 1425c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette final Animator anim = ObjectAnimator.ofInt( 1426c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette mSelector, DRAWABLE_ALPHA, 0xFF, CLICK_ANIM_ALPHA, 0xFF); 1427c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette anim.setDuration(CLICK_ANIM_DURATION); 1428c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette anim.setInterpolator(new AccelerateDecelerateInterpolator()); 1429c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette anim.addListener(new AnimatorListenerAdapter() { 1430c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette @Override 1431c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette public void onAnimationEnd(Animator animation) { 1432c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette performItemClick(child, position, id); 1433c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1434c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette }); 1435c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette anim.start(); 1436c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1437c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette if (mClickAnimation != null) { 1438c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette mClickAnimation.cancel(); 1439c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1440c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette mClickAnimation = anim; 1441c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1442c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1443c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette private void clearPressedItem() { 1444c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette mDrawsInPressedState = false; 1445c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette setPressed(false); 1446c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette updateSelectorState(); 1447c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1448c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette if (mClickAnimation != null) { 1449c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette mClickAnimation.cancel(); 1450c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette mClickAnimation = null; 1451c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1452c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1453c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1454c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette private void setPressedItem(View child, int position) { 1455c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette mDrawsInPressedState = true; 1456c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1457c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette // Ordering is essential. First update the pressed state and layout 1458c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette // the children. This will ensure the selector actually gets drawn. 1459c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette setPressed(true); 1460c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette layoutChildren(); 1461c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1462c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette // Ensure that keyboard focus starts from the last touched position. 1463c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette setSelectedPositionInt(position); 1464c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette positionSelector(position, child); 1465c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1466c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette // Refresh the drawable state to reflect the new pressed state, 1467c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette // which will also update the selector state. 1468c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette refreshDrawableState(); 1469c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1470c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette if (mClickAnimation != null) { 1471c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette mClickAnimation.cancel(); 1472c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette mClickAnimation = null; 1473c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1474c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1475c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1476c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette @Override 1477c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette boolean touchModeDrawsInPressedState() { 1478c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette return mDrawsInPressedState || super.touchModeDrawsInPressedState(); 1479c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette } 1480c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette 1481c05027214f1f4dda67296a072dfc9af9176dc590Alan Viverette /** 1482c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>Avoids jarring scrolling effect by ensuring that list elements 1483c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * made of a text view fit on a single line.</p> 1484c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1485c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @param position the item index in the list to get a view for 1486c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return the view for the specified item 1487c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 1488c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell @Override 1489c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell View obtainView(int position, boolean[] isScrap) { 1490c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell View view = super.obtainView(position, isScrap); 1491c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1492c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (view instanceof TextView) { 1493c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell ((TextView) view).setHorizontallyScrolling(true); 1494c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1495c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1496c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return view; 1497c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1498c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1499c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell @Override 1500c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean isInTouchMode() { 1501c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // WARNING: Please read the comment where mListSelectionHidden is declared 1502c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return (mHijackFocus && mListSelectionHidden) || super.isInTouchMode(); 1503c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1504c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1505c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 1506c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>Returns the focus state in the drop down.</p> 1507c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1508c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return true always if hijacking focus 1509c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 1510c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell @Override 1511c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean hasWindowFocus() { 1512c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mHijackFocus || super.hasWindowFocus(); 1513c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1514c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1515c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 1516c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>Returns the focus state in the drop down.</p> 1517c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1518c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return true always if hijacking focus 1519c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 1520c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell @Override 1521c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean isFocused() { 1522c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mHijackFocus || super.isFocused(); 1523c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1524c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1525c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell /** 1526c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * <p>Returns the focus state in the drop down.</p> 1527c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * 1528c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell * @return true always if hijacking focus 1529c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell */ 1530c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell @Override 1531c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean hasFocus() { 1532c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return mHijackFocus || super.hasFocus(); 1533c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1534c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1535c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1536c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private class PopupDataSetObserver extends DataSetObserver { 1537c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell @Override 1538c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void onChanged() { 1539c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (isShowing()) { 1540c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell // Resize the popup to fit new content 1541c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell show(); 1542c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1543c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1544c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1545c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell @Override 1546c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void onInvalidated() { 1547c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell dismiss(); 1548c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1549c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1550c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1551c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private class ListSelectorHider implements Runnable { 1552c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void run() { 1553c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell clearListSelection(); 1554c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1555c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1556c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1557c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private class ResizePopupRunnable implements Runnable { 1558c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void run() { 1559348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell if (mDropDownList != null && mDropDownList.getCount() > mDropDownList.getChildCount() && 1560348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell mDropDownList.getChildCount() <= mListItemExpandMaximum) { 1561348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell mPopup.setInputMethodMode(PopupWindow.INPUT_METHOD_NOT_NEEDED); 1562348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell show(); 1563348e69cfabec21ccfbe708df06f0a7ea541a3053Adam Powell } 1564c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1565c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1566c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1567c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private class PopupTouchInterceptor implements OnTouchListener { 1568c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public boolean onTouch(View v, MotionEvent event) { 1569c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final int action = event.getAction(); 1570c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final int x = (int) event.getX(); 1571c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell final int y = (int) event.getY(); 1572c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1573c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (action == MotionEvent.ACTION_DOWN && 1574c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mPopup != null && mPopup.isShowing() && 1575711734a2f8d7529df0ed1bce36da651fc835c144Gilles Debunne (x >= 0 && x < mPopup.getWidth() && y >= 0 && y < mPopup.getHeight())) { 1576c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mHandler.postDelayed(mResizePopupRunnable, EXPAND_LIST_TIMEOUT); 1577c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } else if (action == MotionEvent.ACTION_UP) { 1578c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mHandler.removeCallbacks(mResizePopupRunnable); 1579c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1580c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell return false; 1581c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1582c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1583c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1584c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell private class PopupScrollListener implements ListView.OnScrollListener { 1585c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, 1586c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell int totalItemCount) { 1587c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1588c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1589c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell 1590c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell public void onScrollStateChanged(AbsListView view, int scrollState) { 1591c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell if (scrollState == SCROLL_STATE_TOUCH_SCROLL && 1592c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell !isInputMethodNotNeeded() && mPopup.getContentView() != null) { 1593c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mHandler.removeCallbacks(mResizePopupRunnable); 1594c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell mResizePopupRunnable.run(); 1595c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1596c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1597c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell } 1598c3fa6304c997ccecf8ed15a4cbb7bd245128f3c3Adam Powell} 1599