Satoshi Kataoka | d7443c8 | 2013-10-15 17:45:43 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 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.inputmethod; |
| 18 | |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 19 | import android.content.Context; |
| 20 | import android.content.pm.PackageManager; |
| 21 | import android.text.TextUtils; |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 22 | import android.util.Log; |
Satoshi Kataoka | d7443c8 | 2013-10-15 17:45:43 +0900 | [diff] [blame] | 23 | import android.util.Slog; |
| 24 | import android.view.inputmethod.InputMethodInfo; |
| 25 | import android.view.inputmethod.InputMethodSubtype; |
| 26 | |
Yohei Yukawa | 4013940 | 2014-05-21 22:56:40 +0900 | [diff] [blame] | 27 | import com.android.internal.annotations.VisibleForTesting; |
| 28 | import com.android.internal.inputmethod.InputMethodUtils.InputMethodSettings; |
| 29 | |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 30 | import java.util.ArrayList; |
| 31 | import java.util.Collections; |
| 32 | import java.util.Comparator; |
| 33 | import java.util.HashMap; |
| 34 | import java.util.HashSet; |
| 35 | import java.util.List; |
| 36 | import java.util.Locale; |
Yohei Yukawa | 07bd732 | 2014-06-02 15:32:59 +0900 | [diff] [blame] | 37 | import java.util.Objects; |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 38 | import java.util.TreeMap; |
Satoshi Kataoka | d7443c8 | 2013-10-15 17:45:43 +0900 | [diff] [blame] | 39 | |
| 40 | /** |
| 41 | * InputMethodSubtypeSwitchingController controls the switching behavior of the subtypes. |
Yohei Yukawa | 5a647b69 | 2014-05-22 12:49:00 +0900 | [diff] [blame] | 42 | * <p> |
| 43 | * This class is designed to be used from and only from {@link InputMethodManagerService} by using |
| 44 | * {@link InputMethodManagerService#mMethodMap} as a global lock. |
| 45 | * </p> |
Satoshi Kataoka | d7443c8 | 2013-10-15 17:45:43 +0900 | [diff] [blame] | 46 | */ |
| 47 | public class InputMethodSubtypeSwitchingController { |
| 48 | private static final String TAG = InputMethodSubtypeSwitchingController.class.getSimpleName(); |
| 49 | private static final boolean DEBUG = false; |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 50 | private static final int NOT_A_SUBTYPE_ID = InputMethodUtils.NOT_A_SUBTYPE_ID; |
| 51 | |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 52 | public static class ImeSubtypeListItem implements Comparable<ImeSubtypeListItem> { |
| 53 | public final CharSequence mImeName; |
| 54 | public final CharSequence mSubtypeName; |
| 55 | public final InputMethodInfo mImi; |
| 56 | public final int mSubtypeId; |
| 57 | private final boolean mIsSystemLocale; |
| 58 | private final boolean mIsSystemLanguage; |
| 59 | |
| 60 | public ImeSubtypeListItem(CharSequence imeName, CharSequence subtypeName, |
| 61 | InputMethodInfo imi, int subtypeId, String subtypeLocale, String systemLocale) { |
| 62 | mImeName = imeName; |
| 63 | mSubtypeName = subtypeName; |
| 64 | mImi = imi; |
| 65 | mSubtypeId = subtypeId; |
| 66 | if (TextUtils.isEmpty(subtypeLocale)) { |
| 67 | mIsSystemLocale = false; |
| 68 | mIsSystemLanguage = false; |
| 69 | } else { |
| 70 | mIsSystemLocale = subtypeLocale.equals(systemLocale); |
| 71 | mIsSystemLanguage = mIsSystemLocale |
| 72 | || subtypeLocale.startsWith(systemLocale.substring(0, 2)); |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public int compareTo(ImeSubtypeListItem other) { |
| 78 | if (TextUtils.isEmpty(mImeName)) { |
| 79 | return 1; |
| 80 | } |
| 81 | if (TextUtils.isEmpty(other.mImeName)) { |
| 82 | return -1; |
| 83 | } |
| 84 | if (!TextUtils.equals(mImeName, other.mImeName)) { |
| 85 | return mImeName.toString().compareTo(other.mImeName.toString()); |
| 86 | } |
| 87 | if (TextUtils.equals(mSubtypeName, other.mSubtypeName)) { |
| 88 | return 0; |
| 89 | } |
| 90 | if (mIsSystemLocale) { |
| 91 | return -1; |
| 92 | } |
| 93 | if (other.mIsSystemLocale) { |
| 94 | return 1; |
| 95 | } |
| 96 | if (mIsSystemLanguage) { |
| 97 | return -1; |
| 98 | } |
| 99 | if (other.mIsSystemLanguage) { |
| 100 | return 1; |
| 101 | } |
| 102 | if (TextUtils.isEmpty(mSubtypeName)) { |
| 103 | return 1; |
| 104 | } |
| 105 | if (TextUtils.isEmpty(other.mSubtypeName)) { |
| 106 | return -1; |
| 107 | } |
| 108 | return mSubtypeName.toString().compareTo(other.mSubtypeName.toString()); |
| 109 | } |
Yohei Yukawa | 1c63079 | 2014-05-22 15:55:24 +0900 | [diff] [blame] | 110 | |
| 111 | @Override |
| 112 | public String toString() { |
| 113 | return "ImeSubtypeListItem{" |
| 114 | + "mImeName=" + mImeName |
| 115 | + " mSubtypeName=" + mSubtypeName |
| 116 | + " mSubtypeId=" + mSubtypeId |
| 117 | + " mIsSystemLocale=" + mIsSystemLocale |
| 118 | + " mIsSystemLanguage=" + mIsSystemLanguage |
| 119 | + "}"; |
| 120 | } |
Yohei Yukawa | 07bd732 | 2014-06-02 15:32:59 +0900 | [diff] [blame] | 121 | |
| 122 | @Override |
| 123 | public boolean equals(Object o) { |
| 124 | if (o == this) { |
| 125 | return true; |
| 126 | } |
| 127 | if (o instanceof ImeSubtypeListItem) { |
| 128 | final ImeSubtypeListItem that = (ImeSubtypeListItem)o; |
| 129 | if (!Objects.equals(this.mImi, that.mImi)) { |
| 130 | return false; |
| 131 | } |
| 132 | if (this.mSubtypeId != that.mSubtypeId) { |
| 133 | return false; |
| 134 | } |
| 135 | return true; |
| 136 | } |
| 137 | return false; |
| 138 | } |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 139 | } |
| 140 | |
Yohei Yukawa | d1da115 | 2014-05-01 17:20:05 +0900 | [diff] [blame] | 141 | private static class InputMethodAndSubtypeList { |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 142 | private final Context mContext; |
| 143 | // Used to load label |
| 144 | private final PackageManager mPm; |
| 145 | private final String mSystemLocaleStr; |
| 146 | private final InputMethodSettings mSettings; |
| 147 | |
Yohei Yukawa | d1da115 | 2014-05-01 17:20:05 +0900 | [diff] [blame] | 148 | public InputMethodAndSubtypeList(Context context, InputMethodSettings settings) { |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 149 | mContext = context; |
| 150 | mSettings = settings; |
| 151 | mPm = context.getPackageManager(); |
| 152 | final Locale locale = context.getResources().getConfiguration().locale; |
| 153 | mSystemLocaleStr = locale != null ? locale.toString() : ""; |
| 154 | } |
| 155 | |
| 156 | private final TreeMap<InputMethodInfo, List<InputMethodSubtype>> mSortedImmis = |
| 157 | new TreeMap<InputMethodInfo, List<InputMethodSubtype>>( |
| 158 | new Comparator<InputMethodInfo>() { |
| 159 | @Override |
| 160 | public int compare(InputMethodInfo imi1, InputMethodInfo imi2) { |
| 161 | if (imi2 == null) |
| 162 | return 0; |
| 163 | if (imi1 == null) |
| 164 | return 1; |
| 165 | if (mPm == null) { |
| 166 | return imi1.getId().compareTo(imi2.getId()); |
| 167 | } |
| 168 | CharSequence imiId1 = imi1.loadLabel(mPm) + "/" + imi1.getId(); |
| 169 | CharSequence imiId2 = imi2.loadLabel(mPm) + "/" + imi2.getId(); |
| 170 | return imiId1.toString().compareTo(imiId2.toString()); |
| 171 | } |
| 172 | }); |
| 173 | |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 174 | public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList() { |
| 175 | return getSortedInputMethodAndSubtypeList(true, false, false); |
| 176 | } |
| 177 | |
| 178 | public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeList( |
| 179 | boolean showSubtypes, boolean inputShown, boolean isScreenLocked) { |
| 180 | final ArrayList<ImeSubtypeListItem> imList = |
| 181 | new ArrayList<ImeSubtypeListItem>(); |
| 182 | final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = |
| 183 | mSettings.getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked( |
| 184 | mContext); |
| 185 | if (immis == null || immis.size() == 0) { |
| 186 | return Collections.emptyList(); |
| 187 | } |
| 188 | mSortedImmis.clear(); |
| 189 | mSortedImmis.putAll(immis); |
| 190 | for (InputMethodInfo imi : mSortedImmis.keySet()) { |
| 191 | if (imi == null) { |
| 192 | continue; |
| 193 | } |
| 194 | List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); |
| 195 | HashSet<String> enabledSubtypeSet = new HashSet<String>(); |
| 196 | for (InputMethodSubtype subtype : explicitlyOrImplicitlyEnabledSubtypeList) { |
| 197 | enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); |
| 198 | } |
| 199 | final CharSequence imeLabel = imi.loadLabel(mPm); |
| 200 | if (showSubtypes && enabledSubtypeSet.size() > 0) { |
| 201 | final int subtypeCount = imi.getSubtypeCount(); |
| 202 | if (DEBUG) { |
| 203 | Slog.v(TAG, "Add subtypes: " + subtypeCount + ", " + imi.getId()); |
| 204 | } |
| 205 | for (int j = 0; j < subtypeCount; ++j) { |
| 206 | final InputMethodSubtype subtype = imi.getSubtypeAt(j); |
| 207 | final String subtypeHashCode = String.valueOf(subtype.hashCode()); |
| 208 | // We show all enabled IMEs and subtypes when an IME is shown. |
| 209 | if (enabledSubtypeSet.contains(subtypeHashCode) |
| 210 | && ((inputShown && !isScreenLocked) || !subtype.isAuxiliary())) { |
| 211 | final CharSequence subtypeLabel = |
| 212 | subtype.overridesImplicitlyEnabledSubtype() ? null : subtype |
| 213 | .getDisplayName(mContext, imi.getPackageName(), |
| 214 | imi.getServiceInfo().applicationInfo); |
| 215 | imList.add(new ImeSubtypeListItem(imeLabel, |
| 216 | subtypeLabel, imi, j, subtype.getLocale(), mSystemLocaleStr)); |
| 217 | |
| 218 | // Removing this subtype from enabledSubtypeSet because we no |
| 219 | // longer need to add an entry of this subtype to imList to avoid |
| 220 | // duplicated entries. |
| 221 | enabledSubtypeSet.remove(subtypeHashCode); |
| 222 | } |
| 223 | } |
| 224 | } else { |
| 225 | imList.add(new ImeSubtypeListItem(imeLabel, null, imi, NOT_A_SUBTYPE_ID, null, |
| 226 | mSystemLocaleStr)); |
| 227 | } |
| 228 | } |
| 229 | Collections.sort(imList); |
| 230 | return imList; |
| 231 | } |
| 232 | } |
| 233 | |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 234 | private static int calculateSubtypeId(InputMethodInfo imi, InputMethodSubtype subtype) { |
| 235 | return subtype != null ? InputMethodUtils.getSubtypeIdFromHashCode(imi, |
| 236 | subtype.hashCode()) : NOT_A_SUBTYPE_ID; |
| 237 | } |
Yohei Yukawa | d1da115 | 2014-05-01 17:20:05 +0900 | [diff] [blame] | 238 | |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 239 | private static class StaticRotationList { |
| 240 | private final List<ImeSubtypeListItem> mImeSubtypeList; |
| 241 | public StaticRotationList(final List<ImeSubtypeListItem> imeSubtypeList) { |
| 242 | mImeSubtypeList = imeSubtypeList; |
Yohei Yukawa | d1da115 | 2014-05-01 17:20:05 +0900 | [diff] [blame] | 243 | } |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 244 | |
| 245 | /** |
| 246 | * Returns the index of the specified input method and subtype in the given list. |
| 247 | * @param imi The {@link InputMethodInfo} to be searched. |
| 248 | * @param subtype The {@link InputMethodSubtype} to be searched. null if the input method |
| 249 | * does not have a subtype. |
| 250 | * @return The index in the given list. -1 if not found. |
| 251 | */ |
| 252 | private int getIndex(InputMethodInfo imi, InputMethodSubtype subtype) { |
| 253 | final int currentSubtypeId = calculateSubtypeId(imi, subtype); |
| 254 | final int N = mImeSubtypeList.size(); |
| 255 | for (int i = 0; i < N; ++i) { |
| 256 | final ImeSubtypeListItem isli = mImeSubtypeList.get(i); |
| 257 | // Skip until the current IME/subtype is found. |
| 258 | if (imi.equals(isli.mImi) && isli.mSubtypeId == currentSubtypeId) { |
| 259 | return i; |
Yohei Yukawa | a1223cf | 2014-05-01 20:26:41 +0900 | [diff] [blame] | 260 | } |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 261 | } |
| 262 | return -1; |
| 263 | } |
| 264 | |
| 265 | public ImeSubtypeListItem getNextInputMethodLocked(boolean onlyCurrentIme, |
| 266 | InputMethodInfo imi, InputMethodSubtype subtype) { |
| 267 | if (imi == null) { |
| 268 | return null; |
| 269 | } |
| 270 | if (mImeSubtypeList.size() <= 1) { |
| 271 | return null; |
| 272 | } |
| 273 | final int currentIndex = getIndex(imi, subtype); |
| 274 | if (currentIndex < 0) { |
| 275 | return null; |
| 276 | } |
| 277 | final int N = mImeSubtypeList.size(); |
| 278 | for (int offset = 1; offset < N; ++offset) { |
| 279 | // Start searching the next IME/subtype from the next of the current index. |
| 280 | final int candidateIndex = (currentIndex + offset) % N; |
| 281 | final ImeSubtypeListItem candidate = mImeSubtypeList.get(candidateIndex); |
Yohei Yukawa | a1223cf | 2014-05-01 20:26:41 +0900 | [diff] [blame] | 282 | // Skip if searching inside the current IME only, but the candidate is not |
| 283 | // the current IME. |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 284 | if (onlyCurrentIme && !imi.equals(candidate.mImi)) { |
Yohei Yukawa | a1223cf | 2014-05-01 20:26:41 +0900 | [diff] [blame] | 285 | continue; |
| 286 | } |
| 287 | return candidate; |
| 288 | } |
Yohei Yukawa | a1223cf | 2014-05-01 20:26:41 +0900 | [diff] [blame] | 289 | return null; |
Yohei Yukawa | d1da115 | 2014-05-01 17:20:05 +0900 | [diff] [blame] | 290 | } |
Yohei Yukawa | d1da115 | 2014-05-01 17:20:05 +0900 | [diff] [blame] | 291 | } |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 292 | |
Yohei Yukawa | a9bda77 | 2014-05-23 18:35:13 +0900 | [diff] [blame] | 293 | private static class DynamicRotationList { |
| 294 | private static final String TAG = DynamicRotationList.class.getSimpleName(); |
| 295 | private final List<ImeSubtypeListItem> mImeSubtypeList; |
| 296 | private final int[] mUsageHistoryOfSubtypeListItemIndex; |
| 297 | |
Yohei Yukawa | 07bd732 | 2014-06-02 15:32:59 +0900 | [diff] [blame] | 298 | private DynamicRotationList(final List<ImeSubtypeListItem> imeSubtypeListItems) { |
Yohei Yukawa | a9bda77 | 2014-05-23 18:35:13 +0900 | [diff] [blame] | 299 | mImeSubtypeList = imeSubtypeListItems; |
| 300 | mUsageHistoryOfSubtypeListItemIndex = new int[mImeSubtypeList.size()]; |
| 301 | final int N = mImeSubtypeList.size(); |
| 302 | for (int i = 0; i < N; i++) { |
| 303 | mUsageHistoryOfSubtypeListItemIndex[i] = i; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | /** |
| 308 | * Returns the index of the specified object in |
| 309 | * {@link #mUsageHistoryOfSubtypeListItemIndex}. |
| 310 | * <p>We call the index of {@link #mUsageHistoryOfSubtypeListItemIndex} as "Usage Rank" |
| 311 | * so as not to be confused with the index in {@link #mImeSubtypeList}. |
| 312 | * @return -1 when the specified item doesn't belong to {@link #mImeSubtypeList} actually. |
| 313 | */ |
| 314 | private int getUsageRank(final InputMethodInfo imi, InputMethodSubtype subtype) { |
| 315 | final int currentSubtypeId = calculateSubtypeId(imi, subtype); |
| 316 | final int N = mUsageHistoryOfSubtypeListItemIndex.length; |
| 317 | for (int usageRank = 0; usageRank < N; usageRank++) { |
| 318 | final int subtypeListItemIndex = mUsageHistoryOfSubtypeListItemIndex[usageRank]; |
| 319 | final ImeSubtypeListItem subtypeListItem = |
| 320 | mImeSubtypeList.get(subtypeListItemIndex); |
| 321 | if (subtypeListItem.mImi.equals(imi) && |
| 322 | subtypeListItem.mSubtypeId == currentSubtypeId) { |
| 323 | return usageRank; |
| 324 | } |
| 325 | } |
| 326 | // Not found in the known IME/Subtype list. |
| 327 | return -1; |
| 328 | } |
| 329 | |
| 330 | public void onUserAction(InputMethodInfo imi, InputMethodSubtype subtype) { |
| 331 | final int currentUsageRank = getUsageRank(imi, subtype); |
| 332 | // Do nothing if currentUsageRank == -1 (not found), or currentUsageRank == 0 |
| 333 | if (currentUsageRank <= 0) { |
| 334 | return; |
| 335 | } |
| 336 | final int currentItemIndex = mUsageHistoryOfSubtypeListItemIndex[currentUsageRank]; |
| 337 | System.arraycopy(mUsageHistoryOfSubtypeListItemIndex, 0, |
| 338 | mUsageHistoryOfSubtypeListItemIndex, 1, currentUsageRank); |
| 339 | mUsageHistoryOfSubtypeListItemIndex[0] = currentItemIndex; |
| 340 | } |
| 341 | |
| 342 | public ImeSubtypeListItem getNextInputMethodLocked(boolean onlyCurrentIme, |
| 343 | InputMethodInfo imi, InputMethodSubtype subtype) { |
| 344 | int currentUsageRank = getUsageRank(imi, subtype); |
| 345 | if (currentUsageRank < 0) { |
| 346 | if (DEBUG) { |
| 347 | Slog.d(TAG, "IME/subtype is not found: " + imi.getId() + ", " + subtype); |
| 348 | } |
| 349 | return null; |
| 350 | } |
| 351 | final int N = mUsageHistoryOfSubtypeListItemIndex.length; |
| 352 | for (int i = 1; i < N; i++) { |
| 353 | final int subtypeListItemRank = (currentUsageRank + i) % N; |
| 354 | final int subtypeListItemIndex = |
| 355 | mUsageHistoryOfSubtypeListItemIndex[subtypeListItemRank]; |
| 356 | final ImeSubtypeListItem subtypeListItem = |
| 357 | mImeSubtypeList.get(subtypeListItemIndex); |
| 358 | if (onlyCurrentIme && !imi.equals(subtypeListItem.mImi)) { |
| 359 | continue; |
| 360 | } |
| 361 | return subtypeListItem; |
| 362 | } |
| 363 | return null; |
| 364 | } |
| 365 | } |
| 366 | |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 367 | @VisibleForTesting |
| 368 | public static class ControllerImpl { |
Yohei Yukawa | 07bd732 | 2014-06-02 15:32:59 +0900 | [diff] [blame] | 369 | private final DynamicRotationList mSwitchingAwareRotationList; |
| 370 | private final StaticRotationList mSwitchingUnawareRotationList; |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 371 | |
Yohei Yukawa | 07bd732 | 2014-06-02 15:32:59 +0900 | [diff] [blame] | 372 | public static ControllerImpl createFrom(final ControllerImpl currentInstance, |
| 373 | final List<ImeSubtypeListItem> sortedEnabledItems) { |
| 374 | DynamicRotationList switchingAwareRotationList = null; |
| 375 | { |
| 376 | final List<ImeSubtypeListItem> switchingAwareImeSubtypes = |
| 377 | filterImeSubtypeList(sortedEnabledItems, |
| 378 | true /* supportsSwitchingToNextInputMethod */); |
| 379 | if (currentInstance != null && |
| 380 | currentInstance.mSwitchingAwareRotationList != null && |
| 381 | Objects.equals(currentInstance.mSwitchingAwareRotationList.mImeSubtypeList, |
| 382 | switchingAwareImeSubtypes)) { |
| 383 | // Can reuse the current instance. |
| 384 | switchingAwareRotationList = currentInstance.mSwitchingAwareRotationList; |
| 385 | } |
| 386 | if (switchingAwareRotationList == null) { |
| 387 | switchingAwareRotationList = new DynamicRotationList(switchingAwareImeSubtypes); |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | StaticRotationList switchingUnawareRotationList = null; |
| 392 | { |
| 393 | final List<ImeSubtypeListItem> switchingUnawareImeSubtypes = filterImeSubtypeList( |
| 394 | sortedEnabledItems, false /* supportsSwitchingToNextInputMethod */); |
| 395 | if (currentInstance != null && |
| 396 | currentInstance.mSwitchingUnawareRotationList != null && |
| 397 | Objects.equals( |
| 398 | currentInstance.mSwitchingUnawareRotationList.mImeSubtypeList, |
| 399 | switchingUnawareImeSubtypes)) { |
| 400 | // Can reuse the current instance. |
| 401 | switchingUnawareRotationList = currentInstance.mSwitchingUnawareRotationList; |
| 402 | } |
| 403 | if (switchingUnawareRotationList == null) { |
| 404 | switchingUnawareRotationList = |
| 405 | new StaticRotationList(switchingUnawareImeSubtypes); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | return new ControllerImpl(switchingAwareRotationList, switchingUnawareRotationList); |
| 410 | } |
| 411 | |
| 412 | private ControllerImpl(final DynamicRotationList switchingAwareRotationList, |
| 413 | final StaticRotationList switchingUnawareRotationList) { |
| 414 | mSwitchingAwareRotationList = switchingAwareRotationList; |
| 415 | mSwitchingUnawareRotationList = switchingUnawareRotationList; |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | public ImeSubtypeListItem getNextInputMethod(boolean onlyCurrentIme, InputMethodInfo imi, |
| 419 | InputMethodSubtype subtype) { |
| 420 | if (imi == null) { |
| 421 | return null; |
| 422 | } |
| 423 | if (imi.supportsSwitchingToNextInputMethod()) { |
Yohei Yukawa | 07bd732 | 2014-06-02 15:32:59 +0900 | [diff] [blame] | 424 | return mSwitchingAwareRotationList.getNextInputMethodLocked(onlyCurrentIme, imi, |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 425 | subtype); |
| 426 | } else { |
Yohei Yukawa | 07bd732 | 2014-06-02 15:32:59 +0900 | [diff] [blame] | 427 | return mSwitchingUnawareRotationList.getNextInputMethodLocked(onlyCurrentIme, imi, |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 428 | subtype); |
| 429 | } |
| 430 | } |
| 431 | |
Yohei Yukawa | a9bda77 | 2014-05-23 18:35:13 +0900 | [diff] [blame] | 432 | public void onUserActionLocked(InputMethodInfo imi, InputMethodSubtype subtype) { |
| 433 | if (imi == null) { |
| 434 | return; |
| 435 | } |
Yohei Yukawa | 07bd732 | 2014-06-02 15:32:59 +0900 | [diff] [blame] | 436 | if (imi.supportsSwitchingToNextInputMethod()) { |
| 437 | mSwitchingAwareRotationList.onUserAction(imi, subtype); |
| 438 | } |
Yohei Yukawa | a9bda77 | 2014-05-23 18:35:13 +0900 | [diff] [blame] | 439 | } |
| 440 | |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 441 | private static List<ImeSubtypeListItem> filterImeSubtypeList( |
| 442 | final List<ImeSubtypeListItem> items, |
| 443 | final boolean supportsSwitchingToNextInputMethod) { |
| 444 | final ArrayList<ImeSubtypeListItem> result = new ArrayList<>(); |
| 445 | final int ALL_ITEMS_COUNT = items.size(); |
| 446 | for (int i = 0; i < ALL_ITEMS_COUNT; i++) { |
| 447 | final ImeSubtypeListItem item = items.get(i); |
| 448 | if (item.mImi.supportsSwitchingToNextInputMethod() == |
| 449 | supportsSwitchingToNextInputMethod) { |
| 450 | result.add(item); |
| 451 | } |
| 452 | } |
| 453 | return result; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | private final InputMethodSettings mSettings; |
| 458 | private InputMethodAndSubtypeList mSubtypeList; |
| 459 | private ControllerImpl mController; |
| 460 | |
Yohei Yukawa | 5a647b69 | 2014-05-22 12:49:00 +0900 | [diff] [blame] | 461 | private InputMethodSubtypeSwitchingController(InputMethodSettings settings, Context context) { |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 462 | mSettings = settings; |
Yohei Yukawa | 5a647b69 | 2014-05-22 12:49:00 +0900 | [diff] [blame] | 463 | resetCircularListLocked(context); |
| 464 | } |
| 465 | |
| 466 | public static InputMethodSubtypeSwitchingController createInstanceLocked( |
| 467 | InputMethodSettings settings, Context context) { |
| 468 | return new InputMethodSubtypeSwitchingController(settings, context); |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 469 | } |
Satoshi Kataoka | d7443c8 | 2013-10-15 17:45:43 +0900 | [diff] [blame] | 470 | |
Yohei Yukawa | 0297051 | 2014-06-05 16:16:18 +0900 | [diff] [blame] | 471 | public void onUserActionLocked(InputMethodInfo imi, InputMethodSubtype subtype) { |
Yohei Yukawa | a9bda77 | 2014-05-23 18:35:13 +0900 | [diff] [blame] | 472 | if (mController == null) { |
| 473 | if (DEBUG) { |
| 474 | Log.e(TAG, "mController shouldn't be null."); |
| 475 | } |
| 476 | return; |
| 477 | } |
| 478 | mController.onUserActionLocked(imi, subtype); |
Satoshi Kataoka | d7443c8 | 2013-10-15 17:45:43 +0900 | [diff] [blame] | 479 | } |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 480 | |
| 481 | public void resetCircularListLocked(Context context) { |
Yohei Yukawa | 5a647b69 | 2014-05-22 12:49:00 +0900 | [diff] [blame] | 482 | mSubtypeList = new InputMethodAndSubtypeList(context, mSettings); |
Yohei Yukawa | 07bd732 | 2014-06-02 15:32:59 +0900 | [diff] [blame] | 483 | mController = ControllerImpl.createFrom(mController, |
| 484 | mSubtypeList.getSortedInputMethodAndSubtypeList()); |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 485 | } |
| 486 | |
Yohei Yukawa | 9b29d04 | 2014-05-22 20:26:39 +0900 | [diff] [blame] | 487 | public ImeSubtypeListItem getNextInputMethodLocked(boolean onlyCurrentIme, InputMethodInfo imi, |
| 488 | InputMethodSubtype subtype) { |
| 489 | if (mController == null) { |
| 490 | if (DEBUG) { |
| 491 | Log.e(TAG, "mController shouldn't be null."); |
| 492 | } |
| 493 | return null; |
| 494 | } |
| 495 | return mController.getNextInputMethod(onlyCurrentIme, imi, subtype); |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 496 | } |
| 497 | |
Yohei Yukawa | 5a647b69 | 2014-05-22 12:49:00 +0900 | [diff] [blame] | 498 | public List<ImeSubtypeListItem> getSortedInputMethodAndSubtypeListLocked(boolean showSubtypes, |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 499 | boolean inputShown, boolean isScreenLocked) { |
Yohei Yukawa | 5a647b69 | 2014-05-22 12:49:00 +0900 | [diff] [blame] | 500 | return mSubtypeList.getSortedInputMethodAndSubtypeList( |
| 501 | showSubtypes, inputShown, isScreenLocked); |
Satoshi Kataoka | d787f69 | 2013-10-26 04:44:21 +0900 | [diff] [blame] | 502 | } |
Satoshi Kataoka | d7443c8 | 2013-10-15 17:45:43 +0900 | [diff] [blame] | 503 | } |