Adam Powell | 33b9743 | 2010-04-20 10:01:14 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.internal.view.menu; |
| 18 | |
| 19 | import java.util.ArrayList; |
| 20 | import java.util.List; |
| 21 | |
| 22 | import android.content.ComponentName; |
| 23 | import android.content.Context; |
| 24 | import android.content.Intent; |
| 25 | import android.content.pm.PackageManager; |
| 26 | import android.content.pm.ResolveInfo; |
| 27 | import android.view.KeyEvent; |
| 28 | import android.view.Menu; |
| 29 | import android.view.MenuItem; |
| 30 | import android.view.SubMenu; |
| 31 | |
| 32 | /** |
| 33 | * @hide |
| 34 | */ |
| 35 | public class ActionMenu implements Menu { |
| 36 | private Context mContext; |
| 37 | |
| 38 | private boolean mIsQwerty; |
| 39 | |
| 40 | private ArrayList<ActionMenuItem> mItems; |
| 41 | |
| 42 | public ActionMenu(Context context) { |
| 43 | mContext = context; |
| 44 | mItems = new ArrayList<ActionMenuItem>(); |
| 45 | } |
| 46 | |
| 47 | public Context getContext() { |
| 48 | return mContext; |
| 49 | } |
| 50 | |
| 51 | public MenuItem add(CharSequence title) { |
| 52 | return add(0, 0, 0, title); |
| 53 | } |
| 54 | |
| 55 | public MenuItem add(int titleRes) { |
| 56 | return add(0, 0, 0, titleRes); |
| 57 | } |
| 58 | |
| 59 | public MenuItem add(int groupId, int itemId, int order, int titleRes) { |
| 60 | return add(groupId, itemId, order, mContext.getResources().getString(titleRes)); |
| 61 | } |
| 62 | |
| 63 | public MenuItem add(int groupId, int itemId, int order, CharSequence title) { |
| 64 | ActionMenuItem item = new ActionMenuItem(getContext(), |
| 65 | groupId, itemId, 0, order, title); |
| 66 | mItems.add(order, item); |
| 67 | return item; |
| 68 | } |
| 69 | |
| 70 | public int addIntentOptions(int groupId, int itemId, int order, |
| 71 | ComponentName caller, Intent[] specifics, Intent intent, int flags, |
| 72 | MenuItem[] outSpecificItems) { |
| 73 | PackageManager pm = mContext.getPackageManager(); |
| 74 | final List<ResolveInfo> lri = |
| 75 | pm.queryIntentActivityOptions(caller, specifics, intent, 0); |
| 76 | final int N = lri != null ? lri.size() : 0; |
| 77 | |
| 78 | if ((flags & FLAG_APPEND_TO_GROUP) == 0) { |
| 79 | removeGroup(groupId); |
| 80 | } |
| 81 | |
| 82 | for (int i=0; i<N; i++) { |
| 83 | final ResolveInfo ri = lri.get(i); |
| 84 | Intent rintent = new Intent( |
| 85 | ri.specificIndex < 0 ? intent : specifics[ri.specificIndex]); |
| 86 | rintent.setComponent(new ComponentName( |
| 87 | ri.activityInfo.applicationInfo.packageName, |
| 88 | ri.activityInfo.name)); |
| 89 | final MenuItem item = add(groupId, itemId, order, ri.loadLabel(pm)) |
| 90 | .setIcon(ri.loadIcon(pm)) |
| 91 | .setIntent(rintent); |
| 92 | if (outSpecificItems != null && ri.specificIndex >= 0) { |
| 93 | outSpecificItems[ri.specificIndex] = item; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | return N; |
| 98 | } |
| 99 | |
| 100 | public SubMenu addSubMenu(CharSequence title) { |
| 101 | // TODO Implement submenus |
| 102 | return null; |
| 103 | } |
| 104 | |
| 105 | public SubMenu addSubMenu(int titleRes) { |
| 106 | // TODO Implement submenus |
| 107 | return null; |
| 108 | } |
| 109 | |
| 110 | public SubMenu addSubMenu(int groupId, int itemId, int order, |
| 111 | CharSequence title) { |
| 112 | // TODO Implement submenus |
| 113 | return null; |
| 114 | } |
| 115 | |
| 116 | public SubMenu addSubMenu(int groupId, int itemId, int order, int titleRes) { |
| 117 | // TODO Implement submenus |
| 118 | return null; |
| 119 | } |
| 120 | |
| 121 | public void clear() { |
| 122 | mItems.clear(); |
| 123 | } |
| 124 | |
| 125 | public void close() { |
| 126 | } |
| 127 | |
| 128 | private int findItemIndex(int id) { |
| 129 | final ArrayList<ActionMenuItem> items = mItems; |
| 130 | final int itemCount = items.size(); |
| 131 | for (int i = 0; i < itemCount; i++) { |
| 132 | if (items.get(i).getItemId() == id) { |
| 133 | return i; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | return -1; |
| 138 | } |
| 139 | |
| 140 | public MenuItem findItem(int id) { |
| 141 | return mItems.get(findItemIndex(id)); |
| 142 | } |
| 143 | |
| 144 | public MenuItem getItem(int index) { |
| 145 | return mItems.get(index); |
| 146 | } |
| 147 | |
| 148 | public boolean hasVisibleItems() { |
| 149 | final ArrayList<ActionMenuItem> items = mItems; |
| 150 | final int itemCount = items.size(); |
| 151 | |
| 152 | for (int i = 0; i < itemCount; i++) { |
| 153 | if (items.get(i).isVisible()) { |
| 154 | return true; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | return false; |
| 159 | } |
| 160 | |
| 161 | private ActionMenuItem findItemWithShortcut(int keyCode, KeyEvent event) { |
| 162 | // TODO Make this smarter. |
| 163 | final boolean qwerty = mIsQwerty; |
| 164 | final ArrayList<ActionMenuItem> items = mItems; |
| 165 | final int itemCount = items.size(); |
| 166 | |
| 167 | for (int i = 0; i < itemCount; i++) { |
| 168 | ActionMenuItem item = items.get(i); |
| 169 | final char shortcut = qwerty ? item.getAlphabeticShortcut() : |
| 170 | item.getNumericShortcut(); |
| 171 | if (keyCode == shortcut) { |
| 172 | return item; |
| 173 | } |
| 174 | } |
| 175 | return null; |
| 176 | } |
| 177 | |
| 178 | public boolean isShortcutKey(int keyCode, KeyEvent event) { |
| 179 | return findItemWithShortcut(keyCode, event) != null; |
| 180 | } |
| 181 | |
| 182 | public boolean performIdentifierAction(int id, int flags) { |
| 183 | final int index = findItemIndex(id); |
| 184 | if (index < 0) { |
| 185 | return false; |
| 186 | } |
| 187 | |
| 188 | return mItems.get(index).invoke(); |
| 189 | } |
| 190 | |
| 191 | public boolean performShortcut(int keyCode, KeyEvent event, int flags) { |
| 192 | ActionMenuItem item = findItemWithShortcut(keyCode, event); |
| 193 | if (item == null) { |
| 194 | return false; |
| 195 | } |
| 196 | |
| 197 | return item.invoke(); |
| 198 | } |
| 199 | |
| 200 | public void removeGroup(int groupId) { |
| 201 | final ArrayList<ActionMenuItem> items = mItems; |
| 202 | int itemCount = items.size(); |
| 203 | int i = 0; |
| 204 | while (i < itemCount) { |
| 205 | if (items.get(i).getGroupId() == groupId) { |
| 206 | items.remove(i); |
| 207 | itemCount--; |
| 208 | } else { |
| 209 | i++; |
| 210 | } |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | public void removeItem(int id) { |
| 215 | mItems.remove(findItemIndex(id)); |
| 216 | } |
| 217 | |
| 218 | public void setGroupCheckable(int group, boolean checkable, |
| 219 | boolean exclusive) { |
| 220 | final ArrayList<ActionMenuItem> items = mItems; |
| 221 | final int itemCount = items.size(); |
| 222 | |
| 223 | for (int i = 0; i < itemCount; i++) { |
| 224 | ActionMenuItem item = items.get(i); |
| 225 | if (item.getGroupId() == group) { |
| 226 | item.setCheckable(checkable); |
| 227 | item.setExclusiveCheckable(exclusive); |
| 228 | } |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | public void setGroupEnabled(int group, boolean enabled) { |
| 233 | final ArrayList<ActionMenuItem> items = mItems; |
| 234 | final int itemCount = items.size(); |
| 235 | |
| 236 | for (int i = 0; i < itemCount; i++) { |
| 237 | ActionMenuItem item = items.get(i); |
| 238 | if (item.getGroupId() == group) { |
| 239 | item.setEnabled(enabled); |
| 240 | } |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | public void setGroupVisible(int group, boolean visible) { |
| 245 | final ArrayList<ActionMenuItem> items = mItems; |
| 246 | final int itemCount = items.size(); |
| 247 | |
| 248 | for (int i = 0; i < itemCount; i++) { |
| 249 | ActionMenuItem item = items.get(i); |
| 250 | if (item.getGroupId() == group) { |
| 251 | item.setVisible(visible); |
| 252 | } |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | public void setQwertyMode(boolean isQwerty) { |
| 257 | mIsQwerty = isQwerty; |
| 258 | } |
| 259 | |
| 260 | public int size() { |
| 261 | return mItems.size(); |
| 262 | } |
| 263 | } |