GuidedActionAdapterGroup.java revision c39d9c75590eca86a5e7e32a8824ba04a0d42e9b
1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14package android.support.v17.leanback.widget; 15 16import android.content.Context; 17import android.support.annotation.RestrictTo; 18import android.support.v17.leanback.widget.GuidedActionAdapter.ClickListener; 19import android.support.v17.leanback.widget.GuidedActionAdapter.EditListener; 20import android.util.Log; 21import android.util.Pair; 22import android.view.KeyEvent; 23import android.view.View; 24import android.view.ViewParent; 25import android.view.inputmethod.InputMethodManager; 26import android.widget.EditText; 27import android.widget.TextView; 28import android.widget.TextView.OnEditorActionListener; 29 30import java.util.ArrayList; 31 32import static android.support.annotation.RestrictTo.Scope.GROUP_ID; 33 34/** 35 * Internal implementation manages a group of GuidedActionAdapters, control the next action after 36 * editing finished, maintain the Ime open/close status. 37 * @hide 38 */ 39@RestrictTo(GROUP_ID) 40public class GuidedActionAdapterGroup { 41 42 private static final String TAG_EDIT = "EditableAction"; 43 private static final boolean DEBUG_EDIT = false; 44 45 ArrayList<Pair<GuidedActionAdapter, GuidedActionAdapter>> mAdapters = 46 new ArrayList<Pair<GuidedActionAdapter, GuidedActionAdapter>>(); 47 private boolean mImeOpened; 48 private EditListener mEditListener; 49 50 public void addAdpter(GuidedActionAdapter adapter1, GuidedActionAdapter adapter2) { 51 mAdapters.add(new Pair<GuidedActionAdapter, GuidedActionAdapter>(adapter1, adapter2)); 52 if (adapter1 != null) { 53 adapter1.mGroup = this; 54 } 55 if (adapter2 != null) { 56 adapter2.mGroup = this; 57 } 58 } 59 60 public GuidedActionAdapter getNextAdapter(GuidedActionAdapter adapter) { 61 for (int i = 0; i < mAdapters.size(); i++) { 62 Pair<GuidedActionAdapter, GuidedActionAdapter> pair = mAdapters.get(i); 63 if (pair.first == adapter) { 64 return pair.second; 65 } 66 } 67 return null; 68 } 69 70 public void setEditListener(EditListener listener) { 71 mEditListener = listener; 72 } 73 74 boolean focusToNextAction(GuidedActionAdapter adapter, GuidedAction action, long nextActionId) { 75 // for ACTION_ID_NEXT, we first find out the matching index in Actions list. 76 int index = 0; 77 if (nextActionId == GuidedAction.ACTION_ID_NEXT) { 78 index = adapter.indexOf(action); 79 if (index < 0) { 80 return false; 81 } 82 // start from next, if reach end, will go next Adapter below 83 index++; 84 } 85 86 do { 87 int size = adapter.getCount(); 88 if (nextActionId == GuidedAction.ACTION_ID_NEXT) { 89 while (index < size && !adapter.getItem(index).isFocusable()) { 90 index++; 91 } 92 } else { 93 while (index < size && adapter.getItem(index).getId() != nextActionId) { 94 index++; 95 } 96 } 97 if (index < size) { 98 GuidedActionsStylist.ViewHolder vh = 99 (GuidedActionsStylist.ViewHolder) adapter.getGuidedActionsStylist() 100 .getActionsGridView().findViewHolderForPosition(index); 101 if (vh != null) { 102 if (vh.getAction().hasTextEditable()) { 103 if (DEBUG_EDIT) Log.v(TAG_EDIT, "openIme of next Action"); 104 // open Ime on next action. 105 openIme(adapter, vh); 106 } else { 107 if (DEBUG_EDIT) Log.v(TAG_EDIT, "closeIme and focus to next Action"); 108 // close IME and focus to next (not editable) action 109 closeIme(vh.itemView); 110 vh.itemView.requestFocus(); 111 } 112 return true; 113 } 114 return false; 115 } 116 // search from index 0 of next Adapter 117 adapter = getNextAdapter(adapter); 118 if (adapter == null) { 119 break; 120 } 121 index = 0; 122 } while (true); 123 return false; 124 } 125 126 public void openIme(GuidedActionAdapter adapter, GuidedActionsStylist.ViewHolder avh) { 127 adapter.getGuidedActionsStylist().setEditingMode(avh, avh.getAction(), true); 128 View v = avh.getEditingView(); 129 if (v == null || !avh.isInEditingText()) { 130 return; 131 } 132 InputMethodManager mgr = (InputMethodManager) 133 v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 134 // Make the TextView focusable during editing, avoid the TextView gets accessibility focus 135 // before editing started. see also GuidedActionEditText where setFocusable(false). 136 v.setFocusable(true); 137 v.requestFocus(); 138 mgr.showSoftInput(v, 0); 139 if (!mImeOpened) { 140 mImeOpened = true; 141 mEditListener.onImeOpen(); 142 } 143 } 144 145 public void closeIme(View v) { 146 if (mImeOpened) { 147 mImeOpened = false; 148 InputMethodManager mgr = (InputMethodManager) 149 v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 150 mgr.hideSoftInputFromWindow(v.getWindowToken(), 0); 151 mEditListener.onImeClose(); 152 } 153 } 154 155 public void fillAndStay(GuidedActionAdapter adapter, TextView v) { 156 GuidedActionsStylist.ViewHolder avh = adapter.findSubChildViewHolder(v); 157 updateTextIntoAction(avh, v); 158 mEditListener.onGuidedActionEditCanceled(avh.getAction()); 159 adapter.getGuidedActionsStylist().setEditingMode(avh, avh.getAction(), false); 160 closeIme(v); 161 avh.itemView.requestFocus(); 162 } 163 164 public void fillAndGoNext(GuidedActionAdapter adapter, TextView v) { 165 boolean handled = false; 166 GuidedActionsStylist.ViewHolder avh = adapter.findSubChildViewHolder(v); 167 updateTextIntoAction(avh, v); 168 adapter.performOnActionClick(avh); 169 long nextActionId = mEditListener.onGuidedActionEditedAndProceed(avh.getAction()); 170 adapter.getGuidedActionsStylist().setEditingMode(avh, avh.getAction(), false); 171 if (nextActionId != GuidedAction.ACTION_ID_CURRENT 172 && nextActionId != avh.getAction().getId()) { 173 handled = focusToNextAction(adapter, avh.getAction(), nextActionId); 174 } 175 if (!handled) { 176 if (DEBUG_EDIT) Log.v(TAG_EDIT, "closeIme no next action"); 177 handled = true; 178 closeIme(v); 179 avh.itemView.requestFocus(); 180 } 181 } 182 183 private void updateTextIntoAction(GuidedActionsStylist.ViewHolder avh, TextView v) { 184 GuidedAction action = avh.getAction(); 185 if (v == avh.getDescriptionView()) { 186 if (action.getEditDescription() != null) { 187 action.setEditDescription(v.getText()); 188 } else { 189 action.setDescription(v.getText()); 190 } 191 } else if (v == avh.getTitleView()) { 192 if (action.getEditTitle() != null) { 193 action.setEditTitle(v.getText()); 194 } else { 195 action.setTitle(v.getText()); 196 } 197 } 198 } 199 200} 201