EditorInfo.java revision 15a4d2ffd04dc6c70f2cd17dae12ac6bc14c69ab
1/* 2 * Copyright (C) 2008 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 17package android.view.inputmethod; 18 19import android.os.Bundle; 20import android.os.Parcel; 21import android.os.Parcelable; 22import android.text.InputType; 23import android.text.TextUtils; 24import android.util.Printer; 25 26/** 27 * An EditorInfo describes several attributes of a text editing object 28 * that an input method is communicating with (typically an EditText), most 29 * importantly the type of text content it contains. 30 */ 31public class EditorInfo implements InputType, Parcelable { 32 /** 33 * The content type of the text box, whose bits are defined by 34 * {@link InputType}. 35 * 36 * @see InputType 37 * @see #TYPE_MASK_CLASS 38 * @see #TYPE_MASK_VARIATION 39 * @see #TYPE_MASK_FLAGS 40 */ 41 public int inputType = TYPE_NULL; 42 43 /** 44 * Set of bits in {@link #imeOptions} that provide alternative actions 45 * associated with the "enter" key. This both helps the IME provide 46 * better feedback about what the enter key will do, and also allows it 47 * to provide alternative mechanisms for providing that command. 48 */ 49 public static final int IME_MASK_ACTION = 0x000000ff; 50 51 /** 52 * Bits of {@link #IME_MASK_ACTION}: no specific action has been 53 * associated with this editor, let the editor come up with its own if 54 * it can. 55 */ 56 public static final int IME_ACTION_UNSPECIFIED = 0x00000000; 57 58 /** 59 * Bits of {@link #IME_MASK_ACTION}: there is no available action. 60 */ 61 public static final int IME_ACTION_NONE = 0x00000001; 62 63 /** 64 * Bits of {@link #IME_MASK_ACTION}: the action key performs a "go" 65 * operation to take the user to the target of the text they typed. 66 * Typically used, for example, when entering a URL. 67 */ 68 public static final int IME_ACTION_GO = 0x00000002; 69 70 /** 71 * Bits of {@link #IME_MASK_ACTION}: the action key performs a "search" 72 * operation, taking the user to the results of searching for the text 73 * the have typed (in whatever context is appropriate). 74 */ 75 public static final int IME_ACTION_SEARCH = 0x00000003; 76 77 /** 78 * Bits of {@link #IME_MASK_ACTION}: the action key performs a "send" 79 * operation, delivering the text to its target. This is typically used 80 * when composing a message. 81 */ 82 public static final int IME_ACTION_SEND = 0x00000004; 83 84 /** 85 * Bits of {@link #IME_MASK_ACTION}: the action key performs a "next" 86 * operation, taking the user to the next field that will accept text. 87 */ 88 public static final int IME_ACTION_NEXT = 0x00000005; 89 90 /** 91 * Bits of {@link #IME_MASK_ACTION}: the action key performs a "done" 92 * operation, typically meaning the IME will be closed. 93 */ 94 public static final int IME_ACTION_DONE = 0x00000006; 95 96 /** 97 * Flag of {@link #imeOptions}: used to specify that the IME does not need 98 * to show its extracted text UI. For input methods that may be fullscreen, 99 * often when in landscape mode, this allows them to be smaller and let part 100 * of the application be shown behind. Though there will likely be limited 101 * access to the application available from the user, it can make the 102 * experience of a (mostly) fullscreen IME less jarring. Note that when 103 * this flag is specified the IME may <em>not</em> be set up to be able 104 * to display text, so it should only be used in situations where this is 105 * not needed. 106 */ 107 public static final int IME_FLAG_NO_EXTRACT_UI = 0x10000000; 108 109 /** 110 * Flag of {@link #imeOptions}: used in conjunction with 111 * {@link #IME_MASK_ACTION}, this indicates that the action should not 112 * be available as an accessory button when the input method is full-screen. 113 * Note that by setting this flag, there can be cases where the action 114 * is simply never available to the user. Setting this generally means 115 * that you think showing text being edited is more important than the 116 * action you have supplied. 117 */ 118 public static final int IME_FLAG_NO_ACCESSORY_ACTION = 0x20000000; 119 120 /** 121 * Flag of {@link #imeOptions}: used in conjunction with 122 * {@link #IME_MASK_ACTION}, this indicates that the action should not 123 * be available in-line as a replacement for "enter" key. Typically this is 124 * because the action has such a significant impact or is not recoverable 125 * enough that accidentally hitting it should be avoided, such as sending 126 * a message. Note that {@link android.widget.TextView} will automatically set this 127 * flag for you on multi-line text views. 128 */ 129 public static final int IME_FLAG_NO_ENTER_ACTION = 0x40000000; 130 131 /** 132 * Flag of {@link #imeOptions}: used to request that the IME never go 133 * into fullscreen mode. Applications need to be aware that the flag is not 134 * a guarantee, and not all IMEs will respect it. 135 * @hide 136 */ 137 public static final int IME_FLAG_NO_FULLSCREEN = 0x80000000; 138 139 /** 140 * Generic unspecified type for {@link #imeOptions}. 141 */ 142 public static final int IME_NULL = 0x00000000; 143 144 /** 145 * Extended type information for the editor, to help the IME better 146 * integrate with it. 147 */ 148 public int imeOptions = IME_NULL; 149 150 /** 151 * A string supplying additional information options that are 152 * private to a particular IME implementation. The string must be 153 * scoped to a package owned by the implementation, to ensure there are 154 * no conflicts between implementations, but other than that you can put 155 * whatever you want in it to communicate with the IME. For example, 156 * you could have a string that supplies an argument like 157 * <code>"com.example.myapp.SpecialMode=3"</code>. This field is can be 158 * filled in from the {@link android.R.attr#privateImeOptions} 159 * attribute of a TextView. 160 */ 161 public String privateImeOptions = null; 162 163 /** 164 * In some cases an IME may be able to display an arbitrary label for 165 * a command the user can perform, which you can specify here. You can 166 * not count on this being used. 167 */ 168 public CharSequence actionLabel = null; 169 170 /** 171 * If {@link #actionLabel} has been given, this is the id for that command 172 * when the user presses its button that is delivered back with 173 * {@link InputConnection#performEditorAction(int) 174 * InputConnection.performEditorAction()}. 175 */ 176 public int actionId = 0; 177 178 /** 179 * The text offset of the start of the selection at the time editing 180 * began; -1 if not known. 181 */ 182 public int initialSelStart = -1; 183 184 /** 185 * The text offset of the end of the selection at the time editing 186 * began; -1 if not known. 187 */ 188 public int initialSelEnd = -1; 189 190 /** 191 * The capitalization mode of the first character being edited in the 192 * text. Values may be any combination of 193 * {@link TextUtils#CAP_MODE_CHARACTERS TextUtils.CAP_MODE_CHARACTERS}, 194 * {@link TextUtils#CAP_MODE_WORDS TextUtils.CAP_MODE_WORDS}, and 195 * {@link TextUtils#CAP_MODE_SENTENCES TextUtils.CAP_MODE_SENTENCES}, though 196 * you should generally just take a non-zero value to mean start out in 197 * caps mode. 198 */ 199 public int initialCapsMode = 0; 200 201 /** 202 * The "hint" text of the text view, typically shown in-line when the 203 * text is empty to tell the user what to enter. 204 */ 205 public CharSequence hintText; 206 207 /** 208 * A label to show to the user describing the text they are writing. 209 */ 210 public CharSequence label; 211 212 /** 213 * Name of the package that owns this editor. 214 */ 215 public String packageName; 216 217 /** 218 * Identifier for the editor's field. This is optional, and may be 219 * 0. By default it is filled in with the result of 220 * {@link android.view.View#getId() View.getId()} on the View that 221 * is being edited. 222 */ 223 public int fieldId; 224 225 /** 226 * Additional name for the editor's field. This can supply additional 227 * name information for the field. By default it is null. The actual 228 * contents have no meaning. 229 */ 230 public String fieldName; 231 232 /** 233 * Any extra data to supply to the input method. This is for extended 234 * communication with specific input methods; the name fields in the 235 * bundle should be scoped (such as "com.mydomain.im.SOME_FIELD") so 236 * that they don't conflict with others. This field is can be 237 * filled in from the {@link android.R.attr#editorExtras} 238 * attribute of a TextView. 239 */ 240 public Bundle extras; 241 242 /** 243 * Write debug output of this object. 244 */ 245 public void dump(Printer pw, String prefix) { 246 pw.println(prefix + "inputType=0x" + Integer.toHexString(inputType) 247 + " imeOptions=0x" + Integer.toHexString(imeOptions) 248 + " privateImeOptions=" + privateImeOptions); 249 pw.println(prefix + "actionLabel=" + actionLabel 250 + " actionId=" + actionId); 251 pw.println(prefix + "initialSelStart=" + initialSelStart 252 + " initialSelEnd=" + initialSelEnd 253 + " initialCapsMode=0x" 254 + Integer.toHexString(initialCapsMode)); 255 pw.println(prefix + "hintText=" + hintText 256 + " label=" + label); 257 pw.println(prefix + "packageName=" + packageName 258 + " fieldId=" + fieldId 259 + " fieldName=" + fieldName); 260 pw.println(prefix + "extras=" + extras); 261 } 262 263 /** 264 * Used to package this object into a {@link Parcel}. 265 * 266 * @param dest The {@link Parcel} to be written. 267 * @param flags The flags used for parceling. 268 */ 269 public void writeToParcel(Parcel dest, int flags) { 270 dest.writeInt(inputType); 271 dest.writeInt(imeOptions); 272 dest.writeString(privateImeOptions); 273 TextUtils.writeToParcel(actionLabel, dest, flags); 274 dest.writeInt(actionId); 275 dest.writeInt(initialSelStart); 276 dest.writeInt(initialSelEnd); 277 dest.writeInt(initialCapsMode); 278 TextUtils.writeToParcel(hintText, dest, flags); 279 TextUtils.writeToParcel(label, dest, flags); 280 dest.writeString(packageName); 281 dest.writeInt(fieldId); 282 dest.writeString(fieldName); 283 dest.writeBundle(extras); 284 } 285 286 /** 287 * Used to make this class parcelable. 288 */ 289 public static final Parcelable.Creator<EditorInfo> CREATOR = new Parcelable.Creator<EditorInfo>() { 290 public EditorInfo createFromParcel(Parcel source) { 291 EditorInfo res = new EditorInfo(); 292 res.inputType = source.readInt(); 293 res.imeOptions = source.readInt(); 294 res.privateImeOptions = source.readString(); 295 res.actionLabel = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 296 res.actionId = source.readInt(); 297 res.initialSelStart = source.readInt(); 298 res.initialSelEnd = source.readInt(); 299 res.initialCapsMode = source.readInt(); 300 res.hintText = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 301 res.label = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(source); 302 res.packageName = source.readString(); 303 res.fieldId = source.readInt(); 304 res.fieldName = source.readString(); 305 res.extras = source.readBundle(); 306 return res; 307 } 308 309 public EditorInfo[] newArray(int size) { 310 return new EditorInfo[size]; 311 } 312 }; 313 314 public int describeContents() { 315 return 0; 316 } 317 318} 319