Rahul Ravikumar | 0533600 | 2019-10-14 15:04:32 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 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 android.app; |
| 18 | |
| 19 | import org.xmlpull.v1.XmlPullParser; |
| 20 | import org.xmlpull.v1.XmlPullParserException; |
| 21 | |
| 22 | import android.annotation.StringRes; |
| 23 | import android.annotation.UnsupportedAppUsage; |
| 24 | import android.content.ComponentName; |
| 25 | import android.content.Context; |
| 26 | import android.content.pm.ActivityInfo; |
| 27 | import android.content.pm.PackageManager; |
| 28 | import android.content.pm.ProviderInfo; |
| 29 | import android.content.pm.PackageManager.NameNotFoundException; |
| 30 | import android.content.res.TypedArray; |
| 31 | import android.content.res.XmlResourceParser; |
| 32 | import android.os.Parcel; |
| 33 | import android.os.Parcelable; |
| 34 | import android.os.UserHandle; |
| 35 | import android.text.InputType; |
| 36 | import android.util.AttributeSet; |
| 37 | import android.util.Log; |
| 38 | import android.util.Xml; |
| 39 | import android.view.inputmethod.EditorInfo; |
| 40 | |
| 41 | import java.io.IOException; |
| 42 | import java.util.HashMap; |
| 43 | |
| 44 | /** |
| 45 | * Searchability meta-data for an activity. Only applications that search other applications |
| 46 | * should need to use this class. |
| 47 | * See <a href="{@docRoot}guide/topics/search/searchable-config.html">Searchable Configuration</a> |
| 48 | * for more information about declaring searchability meta-data for your application. |
| 49 | * |
| 50 | * @see SearchManager#getSearchableInfo(ComponentName) |
| 51 | * @see SearchManager#getSearchablesInGlobalSearch() |
| 52 | */ |
| 53 | public final class SearchableInfo implements Parcelable { |
| 54 | |
| 55 | // general debugging support |
| 56 | private static final boolean DBG = false; |
| 57 | private static final String LOG_TAG = "SearchableInfo"; |
| 58 | |
| 59 | // static strings used for XML lookups. |
| 60 | // TODO how should these be documented for the developer, in a more structured way than |
| 61 | // the current long wordy javadoc in SearchManager.java ? |
| 62 | private static final String MD_LABEL_SEARCHABLE = "android.app.searchable"; |
| 63 | private static final String MD_XML_ELEMENT_SEARCHABLE = "searchable"; |
| 64 | private static final String MD_XML_ELEMENT_SEARCHABLE_ACTION_KEY = "actionkey"; |
| 65 | |
| 66 | // flags in the searchMode attribute |
| 67 | private static final int SEARCH_MODE_BADGE_LABEL = 0x04; |
| 68 | private static final int SEARCH_MODE_BADGE_ICON = 0x08; |
| 69 | private static final int SEARCH_MODE_QUERY_REWRITE_FROM_DATA = 0x10; |
| 70 | private static final int SEARCH_MODE_QUERY_REWRITE_FROM_TEXT = 0x20; |
| 71 | |
| 72 | // true member variables - what we know about the searchability |
| 73 | private final int mLabelId; |
| 74 | private final ComponentName mSearchActivity; |
| 75 | private final int mHintId; |
| 76 | private final int mSearchMode; |
| 77 | private final int mIconId; |
| 78 | private final int mSearchButtonText; |
| 79 | private final int mSearchInputType; |
| 80 | private final int mSearchImeOptions; |
| 81 | private final boolean mIncludeInGlobalSearch; |
| 82 | private final boolean mQueryAfterZeroResults; |
| 83 | private final boolean mAutoUrlDetect; |
| 84 | private final int mSettingsDescriptionId; |
| 85 | private final String mSuggestAuthority; |
| 86 | private final String mSuggestPath; |
| 87 | private final String mSuggestSelection; |
| 88 | private final String mSuggestIntentAction; |
| 89 | private final String mSuggestIntentData; |
| 90 | private final int mSuggestThreshold; |
| 91 | // Maps key codes to action key information. auto-boxing is not so bad here, |
| 92 | // since keycodes for the hard keys are < 127. For such values, Integer.valueOf() |
| 93 | // uses shared Integer objects. |
| 94 | // This is not final, to allow lazy initialization. |
| 95 | private HashMap<Integer,ActionKeyInfo> mActionKeys = null; |
| 96 | private final String mSuggestProviderPackage; |
| 97 | |
| 98 | // Flag values for Searchable_voiceSearchMode |
| 99 | private static final int VOICE_SEARCH_SHOW_BUTTON = 1; |
| 100 | private static final int VOICE_SEARCH_LAUNCH_WEB_SEARCH = 2; |
| 101 | private static final int VOICE_SEARCH_LAUNCH_RECOGNIZER = 4; |
| 102 | private final int mVoiceSearchMode; |
| 103 | private final int mVoiceLanguageModeId; // voiceLanguageModel |
| 104 | private final int mVoicePromptTextId; // voicePromptText |
| 105 | private final int mVoiceLanguageId; // voiceLanguage |
| 106 | private final int mVoiceMaxResults; // voiceMaxResults |
| 107 | |
| 108 | /** |
| 109 | * Gets the search suggestion content provider authority. |
| 110 | * |
| 111 | * @return The search suggestions authority, or {@code null} if not set. |
| 112 | * @see android.R.styleable#Searchable_searchSuggestAuthority |
| 113 | */ |
| 114 | public String getSuggestAuthority() { |
| 115 | return mSuggestAuthority; |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Gets the name of the package where the suggestion provider lives, |
| 120 | * or {@code null}. |
| 121 | */ |
| 122 | public String getSuggestPackage() { |
| 123 | return mSuggestProviderPackage; |
| 124 | } |
| 125 | |
| 126 | /** |
| 127 | * Gets the component name of the searchable activity. |
| 128 | * |
| 129 | * @return A component name, never {@code null}. |
| 130 | */ |
| 131 | public ComponentName getSearchActivity() { |
| 132 | return mSearchActivity; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Checks whether the badge should be a text label. |
| 137 | * |
| 138 | * @see android.R.styleable#Searchable_searchMode |
| 139 | * |
| 140 | * @hide This feature is deprecated, no need to add it to the API. |
| 141 | */ |
| 142 | public boolean useBadgeLabel() { |
| 143 | return 0 != (mSearchMode & SEARCH_MODE_BADGE_LABEL); |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Checks whether the badge should be an icon. |
| 148 | * |
| 149 | * @see android.R.styleable#Searchable_searchMode |
| 150 | * |
| 151 | * @hide This feature is deprecated, no need to add it to the API. |
| 152 | */ |
| 153 | public boolean useBadgeIcon() { |
| 154 | return (0 != (mSearchMode & SEARCH_MODE_BADGE_ICON)) && (mIconId != 0); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Checks whether the text in the query field should come from the suggestion intent data. |
| 159 | * |
| 160 | * @see android.R.styleable#Searchable_searchMode |
| 161 | */ |
| 162 | public boolean shouldRewriteQueryFromData() { |
| 163 | return 0 != (mSearchMode & SEARCH_MODE_QUERY_REWRITE_FROM_DATA); |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Checks whether the text in the query field should come from the suggestion title. |
| 168 | * |
| 169 | * @see android.R.styleable#Searchable_searchMode |
| 170 | */ |
| 171 | public boolean shouldRewriteQueryFromText() { |
| 172 | return 0 != (mSearchMode & SEARCH_MODE_QUERY_REWRITE_FROM_TEXT); |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Gets the resource id of the description string to use for this source in system search |
| 177 | * settings, or {@code 0} if none has been specified. |
| 178 | * |
| 179 | * @see android.R.styleable#Searchable_searchSettingsDescription |
| 180 | */ |
| 181 | public int getSettingsDescriptionId() { |
| 182 | return mSettingsDescriptionId; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Gets the content provider path for obtaining search suggestions. |
| 187 | * |
| 188 | * @return The suggestion path, or {@code null} if not set. |
| 189 | * @see android.R.styleable#Searchable_searchSuggestPath |
| 190 | */ |
| 191 | public String getSuggestPath() { |
| 192 | return mSuggestPath; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Gets the selection for obtaining search suggestions. |
| 197 | * |
| 198 | * @see android.R.styleable#Searchable_searchSuggestSelection |
| 199 | */ |
| 200 | public String getSuggestSelection() { |
| 201 | return mSuggestSelection; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Gets the optional intent action for use with these suggestions. This is |
| 206 | * useful if all intents will have the same action |
| 207 | * (e.g. {@link android.content.Intent#ACTION_VIEW}) |
| 208 | * |
| 209 | * This can be overriden in any given suggestion using the column |
| 210 | * {@link SearchManager#SUGGEST_COLUMN_INTENT_ACTION}. |
| 211 | * |
| 212 | * @return The default intent action, or {@code null} if not set. |
| 213 | * @see android.R.styleable#Searchable_searchSuggestIntentAction |
| 214 | */ |
| 215 | public String getSuggestIntentAction() { |
| 216 | return mSuggestIntentAction; |
| 217 | } |
| 218 | |
| 219 | /** |
| 220 | * Gets the optional intent data for use with these suggestions. This is |
| 221 | * useful if all intents will have similar data URIs, |
| 222 | * but you'll likely need to provide a specific ID as well via the column |
| 223 | * {@link SearchManager#SUGGEST_COLUMN_INTENT_DATA_ID}, which will be appended to the |
| 224 | * intent data URI. |
| 225 | * |
| 226 | * This can be overriden in any given suggestion using the column |
| 227 | * {@link SearchManager#SUGGEST_COLUMN_INTENT_DATA}. |
| 228 | * |
| 229 | * @return The default intent data, or {@code null} if not set. |
| 230 | * @see android.R.styleable#Searchable_searchSuggestIntentData |
| 231 | */ |
| 232 | public String getSuggestIntentData() { |
| 233 | return mSuggestIntentData; |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Gets the suggestion threshold. |
| 238 | * |
| 239 | * @return The suggestion threshold, or {@code 0} if not set. |
| 240 | * @see android.R.styleable#Searchable_searchSuggestThreshold |
| 241 | */ |
| 242 | public int getSuggestThreshold() { |
| 243 | return mSuggestThreshold; |
| 244 | } |
| 245 | |
| 246 | /** |
| 247 | * Get the context for the searchable activity. |
| 248 | * |
| 249 | * @param context You need to supply a context to start with |
| 250 | * @return Returns a context related to the searchable activity |
| 251 | * @hide |
| 252 | */ |
| 253 | @UnsupportedAppUsage |
| 254 | public Context getActivityContext(Context context) { |
| 255 | return createActivityContext(context, mSearchActivity); |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * Creates a context for another activity. |
| 260 | */ |
| 261 | private static Context createActivityContext(Context context, ComponentName activity) { |
| 262 | Context theirContext = null; |
| 263 | try { |
| 264 | theirContext = context.createPackageContext(activity.getPackageName(), 0); |
| 265 | } catch (PackageManager.NameNotFoundException e) { |
| 266 | Log.e(LOG_TAG, "Package not found " + activity.getPackageName()); |
| 267 | } catch (java.lang.SecurityException e) { |
| 268 | Log.e(LOG_TAG, "Can't make context for " + activity.getPackageName(), e); |
| 269 | } |
| 270 | |
| 271 | return theirContext; |
| 272 | } |
| 273 | |
| 274 | /** |
| 275 | * Get the context for the suggestions provider. |
| 276 | * |
| 277 | * @param context You need to supply a context to start with |
| 278 | * @param activityContext If we can determine that the provider and the activity are the |
| 279 | * same, we'll just return this one. |
| 280 | * @return Returns a context related to the suggestion provider |
| 281 | * @hide |
| 282 | */ |
| 283 | @UnsupportedAppUsage |
| 284 | public Context getProviderContext(Context context, Context activityContext) { |
| 285 | Context theirContext = null; |
| 286 | if (mSearchActivity.getPackageName().equals(mSuggestProviderPackage)) { |
| 287 | return activityContext; |
| 288 | } |
| 289 | if (mSuggestProviderPackage != null) { |
| 290 | try { |
| 291 | theirContext = context.createPackageContext(mSuggestProviderPackage, 0); |
| 292 | } catch (PackageManager.NameNotFoundException e) { |
| 293 | // unexpected, but we deal with this by null-checking theirContext |
| 294 | } catch (java.lang.SecurityException e) { |
| 295 | // unexpected, but we deal with this by null-checking theirContext |
| 296 | } |
| 297 | } |
| 298 | return theirContext; |
| 299 | } |
| 300 | |
| 301 | /** |
| 302 | * Constructor |
| 303 | * |
| 304 | * Given a ComponentName, get the searchability info |
| 305 | * and build a local copy of it. Use the factory, not this. |
| 306 | * |
| 307 | * @param activityContext runtime context for the activity that the searchable info is about. |
| 308 | * @param attr The attribute set we found in the XML file, contains the values that are used to |
| 309 | * construct the object. |
| 310 | * @param cName The component name of the searchable activity |
| 311 | * @throws IllegalArgumentException if the searchability info is invalid or insufficient |
| 312 | */ |
| 313 | @UnsupportedAppUsage |
| 314 | private SearchableInfo(Context activityContext, AttributeSet attr, final ComponentName cName) { |
| 315 | mSearchActivity = cName; |
| 316 | |
| 317 | TypedArray a = activityContext.obtainStyledAttributes(attr, |
| 318 | com.android.internal.R.styleable.Searchable); |
| 319 | mSearchMode = a.getInt(com.android.internal.R.styleable.Searchable_searchMode, 0); |
| 320 | mLabelId = a.getResourceId(com.android.internal.R.styleable.Searchable_label, 0); |
| 321 | mHintId = a.getResourceId(com.android.internal.R.styleable.Searchable_hint, 0); |
| 322 | mIconId = a.getResourceId(com.android.internal.R.styleable.Searchable_icon, 0); |
| 323 | mSearchButtonText = a.getResourceId( |
| 324 | com.android.internal.R.styleable.Searchable_searchButtonText, 0); |
| 325 | mSearchInputType = a.getInt(com.android.internal.R.styleable.Searchable_inputType, |
| 326 | InputType.TYPE_CLASS_TEXT | |
| 327 | InputType.TYPE_TEXT_VARIATION_NORMAL); |
| 328 | mSearchImeOptions = a.getInt(com.android.internal.R.styleable.Searchable_imeOptions, |
| 329 | EditorInfo.IME_ACTION_GO); |
| 330 | mIncludeInGlobalSearch = a.getBoolean( |
| 331 | com.android.internal.R.styleable.Searchable_includeInGlobalSearch, false); |
| 332 | mQueryAfterZeroResults = a.getBoolean( |
| 333 | com.android.internal.R.styleable.Searchable_queryAfterZeroResults, false); |
| 334 | mAutoUrlDetect = a.getBoolean( |
| 335 | com.android.internal.R.styleable.Searchable_autoUrlDetect, false); |
| 336 | |
| 337 | mSettingsDescriptionId = a.getResourceId( |
| 338 | com.android.internal.R.styleable.Searchable_searchSettingsDescription, 0); |
| 339 | mSuggestAuthority = a.getString( |
| 340 | com.android.internal.R.styleable.Searchable_searchSuggestAuthority); |
| 341 | mSuggestPath = a.getString( |
| 342 | com.android.internal.R.styleable.Searchable_searchSuggestPath); |
| 343 | mSuggestSelection = a.getString( |
| 344 | com.android.internal.R.styleable.Searchable_searchSuggestSelection); |
| 345 | mSuggestIntentAction = a.getString( |
| 346 | com.android.internal.R.styleable.Searchable_searchSuggestIntentAction); |
| 347 | mSuggestIntentData = a.getString( |
| 348 | com.android.internal.R.styleable.Searchable_searchSuggestIntentData); |
| 349 | mSuggestThreshold = a.getInt( |
| 350 | com.android.internal.R.styleable.Searchable_searchSuggestThreshold, 0); |
| 351 | |
| 352 | mVoiceSearchMode = |
| 353 | a.getInt(com.android.internal.R.styleable.Searchable_voiceSearchMode, 0); |
| 354 | // TODO this didn't work - came back zero from YouTube |
| 355 | mVoiceLanguageModeId = |
| 356 | a.getResourceId(com.android.internal.R.styleable.Searchable_voiceLanguageModel, 0); |
| 357 | mVoicePromptTextId = |
| 358 | a.getResourceId(com.android.internal.R.styleable.Searchable_voicePromptText, 0); |
| 359 | mVoiceLanguageId = |
| 360 | a.getResourceId(com.android.internal.R.styleable.Searchable_voiceLanguage, 0); |
| 361 | mVoiceMaxResults = |
| 362 | a.getInt(com.android.internal.R.styleable.Searchable_voiceMaxResults, 0); |
| 363 | |
| 364 | a.recycle(); |
| 365 | |
| 366 | // get package info for suggestions provider (if any) |
| 367 | String suggestProviderPackage = null; |
| 368 | if (mSuggestAuthority != null) { |
| 369 | PackageManager pm = activityContext.getPackageManager(); |
| 370 | ProviderInfo pi = pm.resolveContentProvider(mSuggestAuthority, |
| 371 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING); |
| 372 | if (pi != null) { |
| 373 | suggestProviderPackage = pi.packageName; |
| 374 | } |
| 375 | } |
| 376 | mSuggestProviderPackage = suggestProviderPackage; |
| 377 | |
| 378 | // for now, implement some form of rules - minimal data |
| 379 | if (mLabelId == 0) { |
| 380 | throw new IllegalArgumentException("Search label must be a resource reference."); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * Information about an action key in searchability meta-data. |
| 386 | * |
| 387 | * @see SearchableInfo#findActionKey(int) |
| 388 | * |
| 389 | * @hide This feature is used very little, and on many devices there are no reasonable |
| 390 | * keys to use for actions. |
| 391 | */ |
| 392 | public static class ActionKeyInfo implements Parcelable { |
| 393 | |
| 394 | private final int mKeyCode; |
| 395 | private final String mQueryActionMsg; |
| 396 | private final String mSuggestActionMsg; |
| 397 | private final String mSuggestActionMsgColumn; |
| 398 | |
| 399 | /** |
| 400 | * Create one object using attributeset as input data. |
| 401 | * @param activityContext runtime context of the activity that the action key information |
| 402 | * is about. |
| 403 | * @param attr The attribute set we found in the XML file, contains the values that are used to |
| 404 | * construct the object. |
| 405 | * @throws IllegalArgumentException if the action key configuration is invalid |
| 406 | */ |
| 407 | ActionKeyInfo(Context activityContext, AttributeSet attr) { |
| 408 | TypedArray a = activityContext.obtainStyledAttributes(attr, |
| 409 | com.android.internal.R.styleable.SearchableActionKey); |
| 410 | |
| 411 | mKeyCode = a.getInt( |
| 412 | com.android.internal.R.styleable.SearchableActionKey_keycode, 0); |
| 413 | mQueryActionMsg = a.getString( |
| 414 | com.android.internal.R.styleable.SearchableActionKey_queryActionMsg); |
| 415 | mSuggestActionMsg = a.getString( |
| 416 | com.android.internal.R.styleable.SearchableActionKey_suggestActionMsg); |
| 417 | mSuggestActionMsgColumn = a.getString( |
| 418 | com.android.internal.R.styleable.SearchableActionKey_suggestActionMsgColumn); |
| 419 | a.recycle(); |
| 420 | |
| 421 | // sanity check. |
| 422 | if (mKeyCode == 0) { |
| 423 | throw new IllegalArgumentException("No keycode."); |
| 424 | } else if ((mQueryActionMsg == null) && |
| 425 | (mSuggestActionMsg == null) && |
| 426 | (mSuggestActionMsgColumn == null)) { |
| 427 | throw new IllegalArgumentException("No message information."); |
| 428 | } |
| 429 | } |
| 430 | |
| 431 | /** |
| 432 | * Instantiate a new ActionKeyInfo from the data in a Parcel that was |
| 433 | * previously written with {@link #writeToParcel(Parcel, int)}. |
| 434 | * |
| 435 | * @param in The Parcel containing the previously written ActionKeyInfo, |
| 436 | * positioned at the location in the buffer where it was written. |
| 437 | */ |
| 438 | private ActionKeyInfo(Parcel in) { |
| 439 | mKeyCode = in.readInt(); |
| 440 | mQueryActionMsg = in.readString(); |
| 441 | mSuggestActionMsg = in.readString(); |
| 442 | mSuggestActionMsgColumn = in.readString(); |
| 443 | } |
| 444 | |
| 445 | /** |
| 446 | * Gets the key code that this action key info is for. |
| 447 | * @see android.R.styleable#SearchableActionKey_keycode |
| 448 | */ |
| 449 | public int getKeyCode() { |
| 450 | return mKeyCode; |
| 451 | } |
| 452 | |
| 453 | /** |
| 454 | * Gets the action message to use for queries. |
| 455 | * @see android.R.styleable#SearchableActionKey_queryActionMsg |
| 456 | */ |
| 457 | @UnsupportedAppUsage |
| 458 | public String getQueryActionMsg() { |
| 459 | return mQueryActionMsg; |
| 460 | } |
| 461 | |
| 462 | /** |
| 463 | * Gets the action message to use for suggestions. |
| 464 | * @see android.R.styleable#SearchableActionKey_suggestActionMsg |
| 465 | */ |
| 466 | @UnsupportedAppUsage |
| 467 | public String getSuggestActionMsg() { |
| 468 | return mSuggestActionMsg; |
| 469 | } |
| 470 | |
| 471 | /** |
| 472 | * Gets the name of the column to get the suggestion action message from. |
| 473 | * @see android.R.styleable#SearchableActionKey_suggestActionMsgColumn |
| 474 | */ |
| 475 | @UnsupportedAppUsage |
| 476 | public String getSuggestActionMsgColumn() { |
| 477 | return mSuggestActionMsgColumn; |
| 478 | } |
| 479 | |
| 480 | public int describeContents() { |
| 481 | return 0; |
| 482 | } |
| 483 | |
| 484 | public void writeToParcel(Parcel dest, int flags) { |
| 485 | dest.writeInt(mKeyCode); |
| 486 | dest.writeString(mQueryActionMsg); |
| 487 | dest.writeString(mSuggestActionMsg); |
| 488 | dest.writeString(mSuggestActionMsgColumn); |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | /** |
| 493 | * If any action keys were defined for this searchable activity, look up and return. |
| 494 | * |
| 495 | * @param keyCode The key that was pressed |
| 496 | * @return Returns the action key info, or {@code null} if none defined. |
| 497 | * |
| 498 | * @hide ActionKeyInfo is hidden |
| 499 | */ |
| 500 | @UnsupportedAppUsage |
| 501 | public ActionKeyInfo findActionKey(int keyCode) { |
| 502 | if (mActionKeys == null) { |
| 503 | return null; |
| 504 | } |
| 505 | return mActionKeys.get(keyCode); |
| 506 | } |
| 507 | |
| 508 | private void addActionKey(ActionKeyInfo keyInfo) { |
| 509 | if (mActionKeys == null) { |
| 510 | mActionKeys = new HashMap<Integer,ActionKeyInfo>(); |
| 511 | } |
| 512 | mActionKeys.put(keyInfo.getKeyCode(), keyInfo); |
| 513 | } |
| 514 | |
| 515 | /** |
| 516 | * Gets search information for the given activity. |
| 517 | * |
| 518 | * @param context Context to use for reading activity resources. |
| 519 | * @param activityInfo Activity to get search information from. |
| 520 | * @return Search information about the given activity, or {@code null} if |
| 521 | * the activity has no or invalid searchability meta-data. |
| 522 | * |
| 523 | * @hide For use by SearchManagerService. |
| 524 | */ |
| 525 | public static SearchableInfo getActivityMetaData(Context context, ActivityInfo activityInfo, |
| 526 | int userId) { |
| 527 | Context userContext = null; |
| 528 | try { |
| 529 | userContext = context.createPackageContextAsUser("system", 0, |
| 530 | new UserHandle(userId)); |
| 531 | } catch (NameNotFoundException nnfe) { |
| 532 | Log.e(LOG_TAG, "Couldn't create package context for user " + userId); |
| 533 | return null; |
| 534 | } |
| 535 | // for each component, try to find metadata |
| 536 | XmlResourceParser xml = |
| 537 | activityInfo.loadXmlMetaData(userContext.getPackageManager(), MD_LABEL_SEARCHABLE); |
| 538 | if (xml == null) { |
| 539 | return null; |
| 540 | } |
| 541 | ComponentName cName = new ComponentName(activityInfo.packageName, activityInfo.name); |
| 542 | |
| 543 | SearchableInfo searchable = getActivityMetaData(userContext, xml, cName); |
| 544 | xml.close(); |
| 545 | |
| 546 | if (DBG) { |
| 547 | if (searchable != null) { |
| 548 | Log.d(LOG_TAG, "Checked " + activityInfo.name |
| 549 | + ",label=" + searchable.getLabelId() |
| 550 | + ",icon=" + searchable.getIconId() |
| 551 | + ",suggestAuthority=" + searchable.getSuggestAuthority() |
| 552 | + ",target=" + searchable.getSearchActivity().getClassName() |
| 553 | + ",global=" + searchable.shouldIncludeInGlobalSearch() |
| 554 | + ",settingsDescription=" + searchable.getSettingsDescriptionId() |
| 555 | + ",threshold=" + searchable.getSuggestThreshold()); |
| 556 | } else { |
| 557 | Log.d(LOG_TAG, "Checked " + activityInfo.name + ", no searchable meta-data"); |
| 558 | } |
| 559 | } |
| 560 | return searchable; |
| 561 | } |
| 562 | |
| 563 | /** |
| 564 | * Get the metadata for a given activity |
| 565 | * |
| 566 | * @param context runtime context |
| 567 | * @param xml XML parser for reading attributes |
| 568 | * @param cName The component name of the searchable activity |
| 569 | * |
| 570 | * @result A completely constructed SearchableInfo, or null if insufficient XML data for it |
| 571 | */ |
| 572 | private static SearchableInfo getActivityMetaData(Context context, XmlPullParser xml, |
| 573 | final ComponentName cName) { |
| 574 | SearchableInfo result = null; |
| 575 | Context activityContext = createActivityContext(context, cName); |
| 576 | if (activityContext == null) return null; |
| 577 | |
| 578 | // in order to use the attributes mechanism, we have to walk the parser |
| 579 | // forward through the file until it's reading the tag of interest. |
| 580 | try { |
| 581 | int tagType = xml.next(); |
| 582 | while (tagType != XmlPullParser.END_DOCUMENT) { |
| 583 | if (tagType == XmlPullParser.START_TAG) { |
| 584 | if (xml.getName().equals(MD_XML_ELEMENT_SEARCHABLE)) { |
| 585 | AttributeSet attr = Xml.asAttributeSet(xml); |
| 586 | if (attr != null) { |
| 587 | try { |
| 588 | result = new SearchableInfo(activityContext, attr, cName); |
| 589 | } catch (IllegalArgumentException ex) { |
| 590 | Log.w(LOG_TAG, "Invalid searchable metadata for " + |
| 591 | cName.flattenToShortString() + ": " + ex.getMessage()); |
| 592 | return null; |
| 593 | } |
| 594 | } |
| 595 | } else if (xml.getName().equals(MD_XML_ELEMENT_SEARCHABLE_ACTION_KEY)) { |
| 596 | if (result == null) { |
| 597 | // Can't process an embedded element if we haven't seen the enclosing |
| 598 | return null; |
| 599 | } |
| 600 | AttributeSet attr = Xml.asAttributeSet(xml); |
| 601 | if (attr != null) { |
| 602 | try { |
| 603 | result.addActionKey(new ActionKeyInfo(activityContext, attr)); |
| 604 | } catch (IllegalArgumentException ex) { |
| 605 | Log.w(LOG_TAG, "Invalid action key for " + |
| 606 | cName.flattenToShortString() + ": " + ex.getMessage()); |
| 607 | return null; |
| 608 | } |
| 609 | } |
| 610 | } |
| 611 | } |
| 612 | tagType = xml.next(); |
| 613 | } |
| 614 | } catch (XmlPullParserException e) { |
| 615 | Log.w(LOG_TAG, "Reading searchable metadata for " + cName.flattenToShortString(), e); |
| 616 | return null; |
| 617 | } catch (IOException e) { |
| 618 | Log.w(LOG_TAG, "Reading searchable metadata for " + cName.flattenToShortString(), e); |
| 619 | return null; |
| 620 | } |
| 621 | |
| 622 | return result; |
| 623 | } |
| 624 | |
| 625 | /** |
| 626 | * Gets the "label" (user-visible name) of this searchable context. This must be |
| 627 | * read using the searchable Activity's resources. |
| 628 | * |
| 629 | * @return A resource id, or {@code 0} if no label was specified. |
| 630 | * @see android.R.styleable#Searchable_label |
| 631 | * |
| 632 | * @hide deprecated functionality |
| 633 | */ |
| 634 | @UnsupportedAppUsage |
| 635 | public int getLabelId() { |
| 636 | return mLabelId; |
| 637 | } |
| 638 | |
| 639 | /** |
| 640 | * Gets the resource id of the hint text. This must be |
| 641 | * read using the searchable Activity's resources. |
| 642 | * |
| 643 | * @return A resource id, or {@code 0} if no hint was specified. |
| 644 | * @see android.R.styleable#Searchable_hint |
| 645 | */ |
| 646 | public int getHintId() { |
| 647 | return mHintId; |
| 648 | } |
| 649 | |
| 650 | /** |
| 651 | * Gets the icon id specified by the Searchable_icon meta-data entry. This must be |
| 652 | * read using the searchable Activity's resources. |
| 653 | * |
| 654 | * @return A resource id, or {@code 0} if no icon was specified. |
| 655 | * @see android.R.styleable#Searchable_icon |
| 656 | * |
| 657 | * @hide deprecated functionality |
| 658 | */ |
| 659 | @UnsupportedAppUsage |
| 660 | public int getIconId() { |
| 661 | return mIconId; |
| 662 | } |
| 663 | |
| 664 | /** |
| 665 | * Checks if the searchable activity wants the voice search button to be shown. |
| 666 | * |
| 667 | * @see android.R.styleable#Searchable_voiceSearchMode |
| 668 | */ |
| 669 | public boolean getVoiceSearchEnabled() { |
| 670 | return 0 != (mVoiceSearchMode & VOICE_SEARCH_SHOW_BUTTON); |
| 671 | } |
| 672 | |
| 673 | /** |
| 674 | * Checks if voice search should start web search. |
| 675 | * |
| 676 | * @see android.R.styleable#Searchable_voiceSearchMode |
| 677 | */ |
| 678 | public boolean getVoiceSearchLaunchWebSearch() { |
| 679 | return 0 != (mVoiceSearchMode & VOICE_SEARCH_LAUNCH_WEB_SEARCH); |
| 680 | } |
| 681 | |
| 682 | /** |
| 683 | * Checks if voice search should start in-app search. |
| 684 | * |
| 685 | * @see android.R.styleable#Searchable_voiceSearchMode |
| 686 | */ |
| 687 | public boolean getVoiceSearchLaunchRecognizer() { |
| 688 | return 0 != (mVoiceSearchMode & VOICE_SEARCH_LAUNCH_RECOGNIZER); |
| 689 | } |
| 690 | |
| 691 | /** |
| 692 | * Gets the resource id of the voice search language model string. |
| 693 | * |
| 694 | * @return A resource id, or {@code 0} if no language model was specified. |
| 695 | * @see android.R.styleable#Searchable_voiceLanguageModel |
| 696 | */ |
| 697 | @StringRes |
| 698 | public int getVoiceLanguageModeId() { |
| 699 | return mVoiceLanguageModeId; |
| 700 | } |
| 701 | |
| 702 | /** |
| 703 | * Gets the resource id of the voice prompt text string. |
| 704 | * |
| 705 | * @return A resource id, or {@code 0} if no voice prompt text was specified. |
| 706 | * @see android.R.styleable#Searchable_voicePromptText |
| 707 | */ |
| 708 | @StringRes |
| 709 | public int getVoicePromptTextId() { |
| 710 | return mVoicePromptTextId; |
| 711 | } |
| 712 | |
| 713 | /** |
| 714 | * Gets the resource id of the spoken language to recognize in voice search. |
| 715 | * |
| 716 | * @return A resource id, or {@code 0} if no language was specified. |
| 717 | * @see android.R.styleable#Searchable_voiceLanguage |
| 718 | */ |
| 719 | @StringRes |
| 720 | public int getVoiceLanguageId() { |
| 721 | return mVoiceLanguageId; |
| 722 | } |
| 723 | |
| 724 | /** |
| 725 | * The maximum number of voice recognition results to return. |
| 726 | * |
| 727 | * @return the max results count, if specified in the searchable |
| 728 | * activity's metadata, or {@code 0} if not specified. |
| 729 | * @see android.R.styleable#Searchable_voiceMaxResults |
| 730 | */ |
| 731 | public int getVoiceMaxResults() { |
| 732 | return mVoiceMaxResults; |
| 733 | } |
| 734 | |
| 735 | /** |
| 736 | * Gets the resource id of replacement text for the "Search" button. |
| 737 | * |
| 738 | * @return A resource id, or {@code 0} if no replacement text was specified. |
| 739 | * @see android.R.styleable#Searchable_searchButtonText |
| 740 | * @hide This feature is deprecated, no need to add it to the API. |
| 741 | */ |
| 742 | public int getSearchButtonText() { |
| 743 | return mSearchButtonText; |
| 744 | } |
| 745 | |
| 746 | /** |
| 747 | * Gets the input type as specified in the searchable attributes. This will default to |
| 748 | * {@link InputType#TYPE_CLASS_TEXT} if not specified (which is appropriate |
| 749 | * for free text input). |
| 750 | * |
| 751 | * @return the input type |
| 752 | * @see android.R.styleable#Searchable_inputType |
| 753 | */ |
| 754 | public int getInputType() { |
| 755 | return mSearchInputType; |
| 756 | } |
| 757 | |
| 758 | /** |
| 759 | * Gets the input method options specified in the searchable attributes. |
| 760 | * This will default to {@link EditorInfo#IME_ACTION_GO} if not specified (which is |
| 761 | * appropriate for a search box). |
| 762 | * |
| 763 | * @return the input type |
| 764 | * @see android.R.styleable#Searchable_imeOptions |
| 765 | */ |
| 766 | public int getImeOptions() { |
| 767 | return mSearchImeOptions; |
| 768 | } |
| 769 | |
| 770 | /** |
| 771 | * Checks whether the searchable should be included in global search. |
| 772 | * |
| 773 | * @return The value of the {@link android.R.styleable#Searchable_includeInGlobalSearch} |
| 774 | * attribute, or {@code false} if the attribute is not set. |
| 775 | * @see android.R.styleable#Searchable_includeInGlobalSearch |
| 776 | */ |
| 777 | public boolean shouldIncludeInGlobalSearch() { |
| 778 | return mIncludeInGlobalSearch; |
| 779 | } |
| 780 | |
| 781 | /** |
| 782 | * Checks whether this searchable activity should be queried for suggestions if a prefix |
| 783 | * of the query has returned no results. |
| 784 | * |
| 785 | * @see android.R.styleable#Searchable_queryAfterZeroResults |
| 786 | */ |
| 787 | public boolean queryAfterZeroResults() { |
| 788 | return mQueryAfterZeroResults; |
| 789 | } |
| 790 | |
| 791 | /** |
| 792 | * Checks whether this searchable activity has auto URL detection turned on. |
| 793 | * |
| 794 | * @see android.R.styleable#Searchable_autoUrlDetect |
| 795 | */ |
| 796 | public boolean autoUrlDetect() { |
| 797 | return mAutoUrlDetect; |
| 798 | } |
| 799 | |
| 800 | /** |
| 801 | * Support for parcelable and aidl operations. |
| 802 | */ |
| 803 | public static final @android.annotation.NonNull Parcelable.Creator<SearchableInfo> CREATOR |
| 804 | = new Parcelable.Creator<SearchableInfo>() { |
| 805 | public SearchableInfo createFromParcel(Parcel in) { |
| 806 | return new SearchableInfo(in); |
| 807 | } |
| 808 | |
| 809 | public SearchableInfo[] newArray(int size) { |
| 810 | return new SearchableInfo[size]; |
| 811 | } |
| 812 | }; |
| 813 | |
| 814 | /** |
| 815 | * Instantiates a new SearchableInfo from the data in a Parcel that was |
| 816 | * previously written with {@link #writeToParcel(Parcel, int)}. |
| 817 | * |
| 818 | * @param in The Parcel containing the previously written SearchableInfo, |
| 819 | * positioned at the location in the buffer where it was written. |
| 820 | */ |
| 821 | SearchableInfo(Parcel in) { |
| 822 | mLabelId = in.readInt(); |
| 823 | mSearchActivity = ComponentName.readFromParcel(in); |
| 824 | mHintId = in.readInt(); |
| 825 | mSearchMode = in.readInt(); |
| 826 | mIconId = in.readInt(); |
| 827 | mSearchButtonText = in.readInt(); |
| 828 | mSearchInputType = in.readInt(); |
| 829 | mSearchImeOptions = in.readInt(); |
| 830 | mIncludeInGlobalSearch = in.readInt() != 0; |
| 831 | mQueryAfterZeroResults = in.readInt() != 0; |
| 832 | mAutoUrlDetect = in.readInt() != 0; |
| 833 | |
| 834 | mSettingsDescriptionId = in.readInt(); |
| 835 | mSuggestAuthority = in.readString(); |
| 836 | mSuggestPath = in.readString(); |
| 837 | mSuggestSelection = in.readString(); |
| 838 | mSuggestIntentAction = in.readString(); |
| 839 | mSuggestIntentData = in.readString(); |
| 840 | mSuggestThreshold = in.readInt(); |
| 841 | |
| 842 | for (int count = in.readInt(); count > 0; count--) { |
| 843 | addActionKey(new ActionKeyInfo(in)); |
| 844 | } |
| 845 | |
| 846 | mSuggestProviderPackage = in.readString(); |
| 847 | |
| 848 | mVoiceSearchMode = in.readInt(); |
| 849 | mVoiceLanguageModeId = in.readInt(); |
| 850 | mVoicePromptTextId = in.readInt(); |
| 851 | mVoiceLanguageId = in.readInt(); |
| 852 | mVoiceMaxResults = in.readInt(); |
| 853 | } |
| 854 | |
| 855 | public int describeContents() { |
| 856 | return 0; |
| 857 | } |
| 858 | |
| 859 | public void writeToParcel(Parcel dest, int flags) { |
| 860 | dest.writeInt(mLabelId); |
| 861 | mSearchActivity.writeToParcel(dest, flags); |
| 862 | dest.writeInt(mHintId); |
| 863 | dest.writeInt(mSearchMode); |
| 864 | dest.writeInt(mIconId); |
| 865 | dest.writeInt(mSearchButtonText); |
| 866 | dest.writeInt(mSearchInputType); |
| 867 | dest.writeInt(mSearchImeOptions); |
| 868 | dest.writeInt(mIncludeInGlobalSearch ? 1 : 0); |
| 869 | dest.writeInt(mQueryAfterZeroResults ? 1 : 0); |
| 870 | dest.writeInt(mAutoUrlDetect ? 1 : 0); |
| 871 | |
| 872 | dest.writeInt(mSettingsDescriptionId); |
| 873 | dest.writeString(mSuggestAuthority); |
| 874 | dest.writeString(mSuggestPath); |
| 875 | dest.writeString(mSuggestSelection); |
| 876 | dest.writeString(mSuggestIntentAction); |
| 877 | dest.writeString(mSuggestIntentData); |
| 878 | dest.writeInt(mSuggestThreshold); |
| 879 | |
| 880 | if (mActionKeys == null) { |
| 881 | dest.writeInt(0); |
| 882 | } else { |
| 883 | dest.writeInt(mActionKeys.size()); |
| 884 | for (ActionKeyInfo actionKey : mActionKeys.values()) { |
| 885 | actionKey.writeToParcel(dest, flags); |
| 886 | } |
| 887 | } |
| 888 | |
| 889 | dest.writeString(mSuggestProviderPackage); |
| 890 | |
| 891 | dest.writeInt(mVoiceSearchMode); |
| 892 | dest.writeInt(mVoiceLanguageModeId); |
| 893 | dest.writeInt(mVoicePromptTextId); |
| 894 | dest.writeInt(mVoiceLanguageId); |
| 895 | dest.writeInt(mVoiceMaxResults); |
| 896 | } |
| 897 | } |