| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.internal.inputmethod; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.app.AppOpsManager; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.res.Resources; |
| import android.provider.Settings; |
| import android.provider.Settings.SettingNotFoundException; |
| import android.text.TextUtils; |
| import android.util.Pair; |
| import android.util.Slog; |
| import android.view.inputmethod.InputMethodInfo; |
| import android.view.inputmethod.InputMethodSubtype; |
| import android.view.textservice.SpellCheckerInfo; |
| import android.view.textservice.TextServicesManager; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Locale; |
| |
| /** |
| * InputMethodManagerUtils contains some static methods that provides IME informations. |
| * This methods are supposed to be used in both the framework and the Settings application. |
| */ |
| public class InputMethodUtils { |
| public static final boolean DEBUG = false; |
| public static final int NOT_A_SUBTYPE_ID = -1; |
| public static final String SUBTYPE_MODE_ANY = null; |
| public static final String SUBTYPE_MODE_KEYBOARD = "keyboard"; |
| public static final String SUBTYPE_MODE_VOICE = "voice"; |
| private static final String TAG = "InputMethodUtils"; |
| private static final Locale ENGLISH_LOCALE = new Locale("en"); |
| private static final String NOT_A_SUBTYPE_ID_STR = String.valueOf(NOT_A_SUBTYPE_ID); |
| private static final String TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE = |
| "EnabledWhenDefaultIsNotAsciiCapable"; |
| private static final String TAG_ASCII_CAPABLE = "AsciiCapable"; |
| /** |
| * Used in {@link #getFallbackLocaleForDefaultIme(ArrayList, Context)} to find the fallback IMEs |
| * that are mainly used until the system becomes ready. Note that {@link Locale} in this array |
| * is checked with {@link Locale#equals(Object)}, which means that {@code Locale.ENGLISH} |
| * doesn't automatically match {@code Locale("en", "IN")}. |
| */ |
| private static final Locale[] SEARCH_ORDER_OF_FALLBACK_LOCALES = { |
| Locale.ENGLISH, // "en" |
| Locale.US, // "en_US" |
| Locale.UK, // "en_GB" |
| }; |
| |
| private InputMethodUtils() { |
| // This utility class is not publicly instantiable. |
| } |
| |
| // ---------------------------------------------------------------------- |
| // Utilities for debug |
| public static String getStackTrace() { |
| final StringBuilder sb = new StringBuilder(); |
| try { |
| throw new RuntimeException(); |
| } catch (RuntimeException e) { |
| final StackTraceElement[] frames = e.getStackTrace(); |
| // Start at 1 because the first frame is here and we don't care about it |
| for (int j = 1; j < frames.length; ++j) { |
| sb.append(frames[j].toString() + "\n"); |
| } |
| } |
| return sb.toString(); |
| } |
| |
| public static String getApiCallStack() { |
| String apiCallStack = ""; |
| try { |
| throw new RuntimeException(); |
| } catch (RuntimeException e) { |
| final StackTraceElement[] frames = e.getStackTrace(); |
| for (int j = 1; j < frames.length; ++j) { |
| final String tempCallStack = frames[j].toString(); |
| if (TextUtils.isEmpty(apiCallStack)) { |
| // Overwrite apiCallStack if it's empty |
| apiCallStack = tempCallStack; |
| } else if (tempCallStack.indexOf("Transact(") < 0) { |
| // Overwrite apiCallStack if it's not a binder call |
| apiCallStack = tempCallStack; |
| } else { |
| break; |
| } |
| } |
| } |
| return apiCallStack; |
| } |
| // ---------------------------------------------------------------------- |
| |
| public static boolean isSystemIme(InputMethodInfo inputMethod) { |
| return (inputMethod.getServiceInfo().applicationInfo.flags |
| & ApplicationInfo.FLAG_SYSTEM) != 0; |
| } |
| |
| public static boolean isSystemImeThatHasSubtypeOf(final InputMethodInfo imi, |
| final Context context, final boolean checkDefaultAttribute, |
| @Nullable final Locale requiredLocale, final boolean checkCountry, |
| final String requiredSubtypeMode) { |
| if (!isSystemIme(imi)) { |
| return false; |
| } |
| if (checkDefaultAttribute && !imi.isDefault(context)) { |
| return false; |
| } |
| if (!containsSubtypeOf(imi, requiredLocale, checkCountry, requiredSubtypeMode)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Nullable |
| public static Locale getFallbackLocaleForDefaultIme(final ArrayList<InputMethodInfo> imis, |
| final Context context) { |
| // At first, find the fallback locale from the IMEs that are declared as "default" in the |
| // current locale. Note that IME developers can declare an IME as "default" only for |
| // some particular locales but "not default" for other locales. |
| for (final Locale fallbackLocale : SEARCH_ORDER_OF_FALLBACK_LOCALES) { |
| for (int i = 0; i < imis.size(); ++i) { |
| if (isSystemImeThatHasSubtypeOf(imis.get(i), context, |
| true /* checkDefaultAttribute */, fallbackLocale, |
| true /* checkCountry */, SUBTYPE_MODE_KEYBOARD)) { |
| return fallbackLocale; |
| } |
| } |
| } |
| // If no fallback locale is found in the above condition, find fallback locales regardless |
| // of the "default" attribute as a last resort. |
| for (final Locale fallbackLocale : SEARCH_ORDER_OF_FALLBACK_LOCALES) { |
| for (int i = 0; i < imis.size(); ++i) { |
| if (isSystemImeThatHasSubtypeOf(imis.get(i), context, |
| false /* checkDefaultAttribute */, fallbackLocale, |
| true /* checkCountry */, SUBTYPE_MODE_KEYBOARD)) { |
| return fallbackLocale; |
| } |
| } |
| } |
| Slog.w(TAG, "Found no fallback locale. imis=" + Arrays.toString(imis.toArray())); |
| return null; |
| } |
| |
| private static boolean isSystemAuxilialyImeThatHasAutomaticSubtype(final InputMethodInfo imi, |
| final Context context, final boolean checkDefaultAttribute) { |
| if (!isSystemIme(imi)) { |
| return false; |
| } |
| if (checkDefaultAttribute && !imi.isDefault(context)) { |
| return false; |
| } |
| if (!imi.isAuxiliaryIme()) { |
| return false; |
| } |
| final int subtypeCount = imi.getSubtypeCount(); |
| for (int i = 0; i < subtypeCount; ++i) { |
| final InputMethodSubtype s = imi.getSubtypeAt(i); |
| if (s.overridesImplicitlyEnabledSubtype()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static Locale getSystemLocaleFromContext(final Context context) { |
| try { |
| return context.getResources().getConfiguration().locale; |
| } catch (Resources.NotFoundException ex) { |
| return null; |
| } |
| } |
| |
| private static final class InputMethodListBuilder { |
| // Note: We use LinkedHashSet instead of android.util.ArraySet because the enumeration |
| // order can have non-trivial effect in the call sites. |
| @NonNull |
| private final LinkedHashSet<InputMethodInfo> mInputMethodSet = new LinkedHashSet<>(); |
| |
| public InputMethodListBuilder fillImes(final ArrayList<InputMethodInfo> imis, |
| final Context context, final boolean checkDefaultAttribute, |
| @Nullable final Locale locale, final boolean checkCountry, |
| final String requiredSubtypeMode) { |
| for (int i = 0; i < imis.size(); ++i) { |
| final InputMethodInfo imi = imis.get(i); |
| if (isSystemImeThatHasSubtypeOf(imi, context, checkDefaultAttribute, locale, |
| checkCountry, requiredSubtypeMode)) { |
| mInputMethodSet.add(imi); |
| } |
| } |
| return this; |
| } |
| |
| // TODO: The behavior of InputMethodSubtype#overridesImplicitlyEnabledSubtype() should be |
| // documented more clearly. |
| public InputMethodListBuilder fillAuxiliaryImes(final ArrayList<InputMethodInfo> imis, |
| final Context context) { |
| // If one or more auxiliary input methods are available, OK to stop populating the list. |
| for (final InputMethodInfo imi : mInputMethodSet) { |
| if (imi.isAuxiliaryIme()) { |
| return this; |
| } |
| } |
| boolean added = false; |
| for (int i = 0; i < imis.size(); ++i) { |
| final InputMethodInfo imi = imis.get(i); |
| if (isSystemAuxilialyImeThatHasAutomaticSubtype(imi, context, |
| true /* checkDefaultAttribute */)) { |
| mInputMethodSet.add(imi); |
| added = true; |
| } |
| } |
| if (added) { |
| return this; |
| } |
| for (int i = 0; i < imis.size(); ++i) { |
| final InputMethodInfo imi = imis.get(i); |
| if (isSystemAuxilialyImeThatHasAutomaticSubtype(imi, context, |
| false /* checkDefaultAttribute */)) { |
| mInputMethodSet.add(imi); |
| } |
| } |
| return this; |
| } |
| |
| public boolean isEmpty() { |
| return mInputMethodSet.isEmpty(); |
| } |
| |
| @NonNull |
| public ArrayList<InputMethodInfo> build() { |
| return new ArrayList<>(mInputMethodSet); |
| } |
| } |
| |
| private static InputMethodListBuilder getMinimumKeyboardSetWithoutSystemLocale( |
| final ArrayList<InputMethodInfo> imis, final Context context, |
| @Nullable final Locale fallbackLocale) { |
| // Before the system becomes ready, we pick up at least one keyboard in the following order. |
| // The first user (device owner) falls into this category. |
| // 1. checkDefaultAttribute: true, locale: fallbackLocale, checkCountry: true |
| // 2. checkDefaultAttribute: false, locale: fallbackLocale, checkCountry: true |
| // 3. checkDefaultAttribute: true, locale: fallbackLocale, checkCountry: false |
| // 4. checkDefaultAttribute: false, locale: fallbackLocale, checkCountry: false |
| // TODO: We should check isAsciiCapable instead of relying on fallbackLocale. |
| |
| final InputMethodListBuilder builder = new InputMethodListBuilder(); |
| builder.fillImes(imis, context, true /* checkDefaultAttribute */, fallbackLocale, |
| true /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| builder.fillImes(imis, context, false /* checkDefaultAttribute */, fallbackLocale, |
| true /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| builder.fillImes(imis, context, true /* checkDefaultAttribute */, fallbackLocale, |
| false /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| builder.fillImes(imis, context, false /* checkDefaultAttribute */, fallbackLocale, |
| false /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| Slog.w(TAG, "No software keyboard is found. imis=" + Arrays.toString(imis.toArray()) |
| + " fallbackLocale=" + fallbackLocale); |
| return builder; |
| } |
| |
| private static InputMethodListBuilder getMinimumKeyboardSetWithSystemLocale( |
| final ArrayList<InputMethodInfo> imis, final Context context, |
| @Nullable final Locale systemLocale, @Nullable final Locale fallbackLocale) { |
| // Once the system becomes ready, we pick up at least one keyboard in the following order. |
| // Secondary users fall into this category in general. |
| // 1. checkDefaultAttribute: true, locale: systemLocale, checkCountry: true |
| // 2. checkDefaultAttribute: true, locale: systemLocale, checkCountry: false |
| // 3. checkDefaultAttribute: true, locale: fallbackLocale, checkCountry: true |
| // 4. checkDefaultAttribute: true, locale: fallbackLocale, checkCountry: false |
| // 5. checkDefaultAttribute: false, locale: fallbackLocale, checkCountry: true |
| // 6. checkDefaultAttribute: false, locale: fallbackLocale, checkCountry: false |
| // TODO: We should check isAsciiCapable instead of relying on fallbackLocale. |
| |
| final InputMethodListBuilder builder = new InputMethodListBuilder(); |
| builder.fillImes(imis, context, true /* checkDefaultAttribute */, systemLocale, |
| true /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| builder.fillImes(imis, context, true /* checkDefaultAttribute */, systemLocale, |
| false /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| builder.fillImes(imis, context, true /* checkDefaultAttribute */, fallbackLocale, |
| true /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| builder.fillImes(imis, context, true /* checkDefaultAttribute */, fallbackLocale, |
| false /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| builder.fillImes(imis, context, false /* checkDefaultAttribute */, fallbackLocale, |
| true /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| builder.fillImes(imis, context, false /* checkDefaultAttribute */, fallbackLocale, |
| false /* checkCountry */, SUBTYPE_MODE_KEYBOARD); |
| if (!builder.isEmpty()) { |
| return builder; |
| } |
| Slog.w(TAG, "No software keyboard is found. imis=" + Arrays.toString(imis.toArray()) |
| + " systemLocale=" + systemLocale + " fallbackLocale=" + fallbackLocale); |
| return builder; |
| } |
| |
| public static ArrayList<InputMethodInfo> getDefaultEnabledImes(final Context context, |
| final boolean isSystemReady, final ArrayList<InputMethodInfo> imis) { |
| final Locale fallbackLocale = getFallbackLocaleForDefaultIme(imis, context); |
| if (!isSystemReady) { |
| // When the system is not ready, the system locale is not stable and reliable. Hence |
| // we will pick up IMEs that support software keyboard based on the fallback locale. |
| // Also pick up suitable IMEs regardless of the software keyboard support. |
| // (e.g. Voice IMEs) |
| return getMinimumKeyboardSetWithoutSystemLocale(imis, context, fallbackLocale) |
| .fillImes(imis, context, true /* checkDefaultAttribute */, fallbackLocale, |
| true /* checkCountry */, SUBTYPE_MODE_ANY) |
| .build(); |
| } |
| |
| // When the system is ready, we will primarily rely on the system locale, but also keep |
| // relying on the fallback locale as a last resort. |
| // Also pick up suitable IMEs regardless of the software keyboard support (e.g. Voice IMEs), |
| // then pick up suitable auxiliary IMEs when necessary (e.g. Voice IMEs with "automatic" |
| // subtype) |
| final Locale systemLocale = getSystemLocaleFromContext(context); |
| return getMinimumKeyboardSetWithSystemLocale(imis, context, systemLocale, fallbackLocale) |
| .fillImes(imis, context, true /* checkDefaultAttribute */, systemLocale, |
| true /* checkCountry */, SUBTYPE_MODE_ANY) |
| .fillAuxiliaryImes(imis, context) |
| .build(); |
| } |
| |
| public static Locale constructLocaleFromString(String localeStr) { |
| if (TextUtils.isEmpty(localeStr)) { |
| return null; |
| } |
| // TODO: Use {@link Locale#toLanguageTag()} and {@link Locale#forLanguageTag(languageTag)}. |
| String[] localeParams = localeStr.split("_", 3); |
| // The length of localeStr is guaranteed to always return a 1 <= value <= 3 |
| // because localeStr is not empty. |
| if (localeParams.length == 1) { |
| if (localeParams.length >= 1 && "tl".equals(localeParams[0])) { |
| // Convert a locale whose language is "tl" to one whose language is "fil". |
| // For example, "tl_PH" will get converted to "fil_PH". |
| // Versions of Android earlier than Lollipop did not support three letter language |
| // codes, and used "tl" (Tagalog) as the language string for "fil" (Filipino). |
| // On Lollipop and above, the current three letter version must be used. |
| localeParams[0] = "fil"; |
| } |
| return new Locale(localeParams[0]); |
| } else if (localeParams.length == 2) { |
| return new Locale(localeParams[0], localeParams[1]); |
| } else if (localeParams.length == 3) { |
| return new Locale(localeParams[0], localeParams[1], localeParams[2]); |
| } |
| return null; |
| } |
| |
| public static boolean containsSubtypeOf(final InputMethodInfo imi, |
| @Nullable final Locale locale, final boolean checkCountry, final String mode) { |
| if (locale == null) { |
| return false; |
| } |
| final int N = imi.getSubtypeCount(); |
| for (int i = 0; i < N; ++i) { |
| final InputMethodSubtype subtype = imi.getSubtypeAt(i); |
| if (checkCountry) { |
| final Locale subtypeLocale = subtype.getLocaleObject(); |
| if (subtypeLocale == null || |
| !TextUtils.equals(subtypeLocale.getLanguage(), locale.getLanguage()) || |
| !TextUtils.equals(subtypeLocale.getCountry(), locale.getCountry())) { |
| continue; |
| } |
| } else { |
| final Locale subtypeLocale = new Locale(getLanguageFromLocaleString( |
| subtype.getLocale())); |
| if (!TextUtils.equals(subtypeLocale.getLanguage(), locale.getLanguage())) { |
| continue; |
| } |
| } |
| if (mode == SUBTYPE_MODE_ANY || TextUtils.isEmpty(mode) || |
| mode.equalsIgnoreCase(subtype.getMode())) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public static ArrayList<InputMethodSubtype> getSubtypes(InputMethodInfo imi) { |
| ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); |
| final int subtypeCount = imi.getSubtypeCount(); |
| for (int i = 0; i < subtypeCount; ++i) { |
| subtypes.add(imi.getSubtypeAt(i)); |
| } |
| return subtypes; |
| } |
| |
| public static ArrayList<InputMethodSubtype> getOverridingImplicitlyEnabledSubtypes( |
| InputMethodInfo imi, String mode) { |
| ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); |
| final int subtypeCount = imi.getSubtypeCount(); |
| for (int i = 0; i < subtypeCount; ++i) { |
| final InputMethodSubtype subtype = imi.getSubtypeAt(i); |
| if (subtype.overridesImplicitlyEnabledSubtype() && subtype.getMode().equals(mode)) { |
| subtypes.add(subtype); |
| } |
| } |
| return subtypes; |
| } |
| |
| public static InputMethodInfo getMostApplicableDefaultIME(List<InputMethodInfo> enabledImes) { |
| if (enabledImes == null || enabledImes.isEmpty()) { |
| return null; |
| } |
| // We'd prefer to fall back on a system IME, since that is safer. |
| int i = enabledImes.size(); |
| int firstFoundSystemIme = -1; |
| while (i > 0) { |
| i--; |
| final InputMethodInfo imi = enabledImes.get(i); |
| if (imi.isAuxiliaryIme()) { |
| continue; |
| } |
| if (InputMethodUtils.isSystemIme(imi) |
| && containsSubtypeOf(imi, ENGLISH_LOCALE, false /* checkCountry */, |
| SUBTYPE_MODE_KEYBOARD)) { |
| return imi; |
| } |
| if (firstFoundSystemIme < 0 && InputMethodUtils.isSystemIme(imi)) { |
| firstFoundSystemIme = i; |
| } |
| } |
| return enabledImes.get(Math.max(firstFoundSystemIme, 0)); |
| } |
| |
| public static boolean isValidSubtypeId(InputMethodInfo imi, int subtypeHashCode) { |
| return getSubtypeIdFromHashCode(imi, subtypeHashCode) != NOT_A_SUBTYPE_ID; |
| } |
| |
| public static int getSubtypeIdFromHashCode(InputMethodInfo imi, int subtypeHashCode) { |
| if (imi != null) { |
| final int subtypeCount = imi.getSubtypeCount(); |
| for (int i = 0; i < subtypeCount; ++i) { |
| InputMethodSubtype ims = imi.getSubtypeAt(i); |
| if (subtypeHashCode == ims.hashCode()) { |
| return i; |
| } |
| } |
| } |
| return NOT_A_SUBTYPE_ID; |
| } |
| |
| @VisibleForTesting |
| public static ArrayList<InputMethodSubtype> getImplicitlyApplicableSubtypesLocked( |
| Resources res, InputMethodInfo imi) { |
| final List<InputMethodSubtype> subtypes = InputMethodUtils.getSubtypes(imi); |
| final String systemLocale = res.getConfiguration().locale.toString(); |
| if (TextUtils.isEmpty(systemLocale)) return new ArrayList<InputMethodSubtype>(); |
| final String systemLanguage = res.getConfiguration().locale.getLanguage(); |
| final HashMap<String, InputMethodSubtype> applicableModeAndSubtypesMap = |
| new HashMap<String, InputMethodSubtype>(); |
| final int N = subtypes.size(); |
| for (int i = 0; i < N; ++i) { |
| // scan overriding implicitly enabled subtypes. |
| InputMethodSubtype subtype = subtypes.get(i); |
| if (subtype.overridesImplicitlyEnabledSubtype()) { |
| final String mode = subtype.getMode(); |
| if (!applicableModeAndSubtypesMap.containsKey(mode)) { |
| applicableModeAndSubtypesMap.put(mode, subtype); |
| } |
| } |
| } |
| if (applicableModeAndSubtypesMap.size() > 0) { |
| return new ArrayList<InputMethodSubtype>(applicableModeAndSubtypesMap.values()); |
| } |
| for (int i = 0; i < N; ++i) { |
| final InputMethodSubtype subtype = subtypes.get(i); |
| final String locale = subtype.getLocale(); |
| final String mode = subtype.getMode(); |
| final String language = getLanguageFromLocaleString(locale); |
| // When system locale starts with subtype's locale, that subtype will be applicable |
| // for system locale. We need to make sure the languages are the same, to prevent |
| // locales like "fil" (Filipino) being matched by "fi" (Finnish). |
| // |
| // For instance, it's clearly applicable for cases like system locale = en_US and |
| // subtype = en, but it is not necessarily considered applicable for cases like system |
| // locale = en and subtype = en_US. |
| // |
| // We just call systemLocale.startsWith(locale) in this function because there is no |
| // need to find applicable subtypes aggressively unlike |
| // findLastResortApplicableSubtypeLocked. |
| // |
| // TODO: This check is broken. It won't take scripts into account and doesn't |
| // account for the mandatory conversions performed by Locale#toString. |
| if (language.equals(systemLanguage) && systemLocale.startsWith(locale)) { |
| final InputMethodSubtype applicableSubtype = applicableModeAndSubtypesMap.get(mode); |
| // If more applicable subtypes are contained, skip. |
| if (applicableSubtype != null) { |
| if (systemLocale.equals(applicableSubtype.getLocale())) continue; |
| if (!systemLocale.equals(locale)) continue; |
| } |
| applicableModeAndSubtypesMap.put(mode, subtype); |
| } |
| } |
| final InputMethodSubtype keyboardSubtype |
| = applicableModeAndSubtypesMap.get(SUBTYPE_MODE_KEYBOARD); |
| final ArrayList<InputMethodSubtype> applicableSubtypes = new ArrayList<InputMethodSubtype>( |
| applicableModeAndSubtypesMap.values()); |
| if (keyboardSubtype != null && !keyboardSubtype.containsExtraValueKey(TAG_ASCII_CAPABLE)) { |
| for (int i = 0; i < N; ++i) { |
| final InputMethodSubtype subtype = subtypes.get(i); |
| final String mode = subtype.getMode(); |
| if (SUBTYPE_MODE_KEYBOARD.equals(mode) && subtype.containsExtraValueKey( |
| TAG_ENABLED_WHEN_DEFAULT_IS_NOT_ASCII_CAPABLE)) { |
| applicableSubtypes.add(subtype); |
| } |
| } |
| } |
| if (keyboardSubtype == null) { |
| InputMethodSubtype lastResortKeyboardSubtype = findLastResortApplicableSubtypeLocked( |
| res, subtypes, SUBTYPE_MODE_KEYBOARD, systemLocale, true); |
| if (lastResortKeyboardSubtype != null) { |
| applicableSubtypes.add(lastResortKeyboardSubtype); |
| } |
| } |
| return applicableSubtypes; |
| } |
| |
| /** |
| * Returns the language component of a given locale string. |
| * TODO: Use {@link Locale#toLanguageTag()} and {@link Locale#forLanguageTag(String)} |
| */ |
| public static String getLanguageFromLocaleString(String locale) { |
| final int idx = locale.indexOf('_'); |
| if (idx < 0) { |
| return locale; |
| } else { |
| return locale.substring(0, idx); |
| } |
| } |
| |
| /** |
| * If there are no selected subtypes, tries finding the most applicable one according to the |
| * given locale. |
| * @param subtypes this function will search the most applicable subtype in subtypes |
| * @param mode subtypes will be filtered by mode |
| * @param locale subtypes will be filtered by locale |
| * @param canIgnoreLocaleAsLastResort if this function can't find the most applicable subtype, |
| * it will return the first subtype matched with mode |
| * @return the most applicable subtypeId |
| */ |
| public static InputMethodSubtype findLastResortApplicableSubtypeLocked( |
| Resources res, List<InputMethodSubtype> subtypes, String mode, String locale, |
| boolean canIgnoreLocaleAsLastResort) { |
| if (subtypes == null || subtypes.size() == 0) { |
| return null; |
| } |
| if (TextUtils.isEmpty(locale)) { |
| locale = res.getConfiguration().locale.toString(); |
| } |
| final String language = getLanguageFromLocaleString(locale); |
| boolean partialMatchFound = false; |
| InputMethodSubtype applicableSubtype = null; |
| InputMethodSubtype firstMatchedModeSubtype = null; |
| final int N = subtypes.size(); |
| for (int i = 0; i < N; ++i) { |
| InputMethodSubtype subtype = subtypes.get(i); |
| final String subtypeLocale = subtype.getLocale(); |
| final String subtypeLanguage = getLanguageFromLocaleString(subtypeLocale); |
| // An applicable subtype should match "mode". If mode is null, mode will be ignored, |
| // and all subtypes with all modes can be candidates. |
| if (mode == null || subtypes.get(i).getMode().equalsIgnoreCase(mode)) { |
| if (firstMatchedModeSubtype == null) { |
| firstMatchedModeSubtype = subtype; |
| } |
| if (locale.equals(subtypeLocale)) { |
| // Exact match (e.g. system locale is "en_US" and subtype locale is "en_US") |
| applicableSubtype = subtype; |
| break; |
| } else if (!partialMatchFound && language.equals(subtypeLanguage)) { |
| // Partial match (e.g. system locale is "en_US" and subtype locale is "en") |
| applicableSubtype = subtype; |
| partialMatchFound = true; |
| } |
| } |
| } |
| |
| if (applicableSubtype == null && canIgnoreLocaleAsLastResort) { |
| return firstMatchedModeSubtype; |
| } |
| |
| // The first subtype applicable to the system locale will be defined as the most applicable |
| // subtype. |
| if (DEBUG) { |
| if (applicableSubtype != null) { |
| Slog.d(TAG, "Applicable InputMethodSubtype was found: " |
| + applicableSubtype.getMode() + "," + applicableSubtype.getLocale()); |
| } |
| } |
| return applicableSubtype; |
| } |
| |
| public static boolean canAddToLastInputMethod(InputMethodSubtype subtype) { |
| if (subtype == null) return true; |
| return !subtype.isAuxiliary(); |
| } |
| |
| public static void setNonSelectedSystemImesDisabledUntilUsed( |
| PackageManager packageManager, List<InputMethodInfo> enabledImis) { |
| if (DEBUG) { |
| Slog.d(TAG, "setNonSelectedSystemImesDisabledUntilUsed"); |
| } |
| final String[] systemImesDisabledUntilUsed = Resources.getSystem().getStringArray( |
| com.android.internal.R.array.config_disabledUntilUsedPreinstalledImes); |
| if (systemImesDisabledUntilUsed == null || systemImesDisabledUntilUsed.length == 0) { |
| return; |
| } |
| // Only the current spell checker should be treated as an enabled one. |
| final SpellCheckerInfo currentSpellChecker = |
| TextServicesManager.getInstance().getCurrentSpellChecker(); |
| for (final String packageName : systemImesDisabledUntilUsed) { |
| if (DEBUG) { |
| Slog.d(TAG, "check " + packageName); |
| } |
| boolean enabledIme = false; |
| for (int j = 0; j < enabledImis.size(); ++j) { |
| final InputMethodInfo imi = enabledImis.get(j); |
| if (packageName.equals(imi.getPackageName())) { |
| enabledIme = true; |
| break; |
| } |
| } |
| if (enabledIme) { |
| // enabled ime. skip |
| continue; |
| } |
| if (currentSpellChecker != null |
| && packageName.equals(currentSpellChecker.getPackageName())) { |
| // enabled spell checker. skip |
| if (DEBUG) { |
| Slog.d(TAG, packageName + " is the current spell checker. skip"); |
| } |
| continue; |
| } |
| ApplicationInfo ai = null; |
| try { |
| ai = packageManager.getApplicationInfo(packageName, |
| PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS); |
| } catch (NameNotFoundException e) { |
| Slog.w(TAG, "NameNotFoundException: " + packageName, e); |
| } |
| if (ai == null) { |
| // No app found for packageName |
| continue; |
| } |
| final boolean isSystemPackage = (ai.flags & ApplicationInfo.FLAG_SYSTEM) != 0; |
| if (!isSystemPackage) { |
| continue; |
| } |
| setDisabledUntilUsed(packageManager, packageName); |
| } |
| } |
| |
| private static void setDisabledUntilUsed(PackageManager packageManager, String packageName) { |
| final int state = packageManager.getApplicationEnabledSetting(packageName); |
| if (state == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT |
| || state == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { |
| if (DEBUG) { |
| Slog.d(TAG, "Update state(" + packageName + "): DISABLED_UNTIL_USED"); |
| } |
| packageManager.setApplicationEnabledSetting(packageName, |
| PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED, 0); |
| } else { |
| if (DEBUG) { |
| Slog.d(TAG, packageName + " is already DISABLED_UNTIL_USED"); |
| } |
| } |
| } |
| |
| public static CharSequence getImeAndSubtypeDisplayName(Context context, InputMethodInfo imi, |
| InputMethodSubtype subtype) { |
| final CharSequence imiLabel = imi.loadLabel(context.getPackageManager()); |
| return subtype != null |
| ? TextUtils.concat(subtype.getDisplayName(context, |
| imi.getPackageName(), imi.getServiceInfo().applicationInfo), |
| (TextUtils.isEmpty(imiLabel) ? |
| "" : " - " + imiLabel)) |
| : imiLabel; |
| } |
| |
| /** |
| * Returns true if a package name belongs to a UID. |
| * |
| * <p>This is a simple wrapper of {@link AppOpsManager#checkPackage(int, String)}.</p> |
| * @param appOpsManager the {@link AppOpsManager} object to be used for the validation. |
| * @param uid the UID to be validated. |
| * @param packageName the package name. |
| * @return {@code true} if the package name belongs to the UID. |
| */ |
| public static boolean checkIfPackageBelongsToUid(final AppOpsManager appOpsManager, |
| final int uid, final String packageName) { |
| try { |
| appOpsManager.checkPackage(uid, packageName); |
| return true; |
| } catch (SecurityException e) { |
| return false; |
| } |
| } |
| |
| /** |
| * Utility class for putting and getting settings for InputMethod |
| * TODO: Move all putters and getters of settings to this class. |
| */ |
| public static class InputMethodSettings { |
| // The string for enabled input method is saved as follows: |
| // example: ("ime0;subtype0;subtype1;subtype2:ime1:ime2;subtype0") |
| private static final char INPUT_METHOD_SEPARATER = ':'; |
| private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';'; |
| private final TextUtils.SimpleStringSplitter mInputMethodSplitter = |
| new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER); |
| |
| private final TextUtils.SimpleStringSplitter mSubtypeSplitter = |
| new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER); |
| |
| private final Resources mRes; |
| private final ContentResolver mResolver; |
| private final HashMap<String, InputMethodInfo> mMethodMap; |
| private final ArrayList<InputMethodInfo> mMethodList; |
| |
| private String mEnabledInputMethodsStrCache; |
| private int mCurrentUserId; |
| private int[] mCurrentProfileIds = new int[0]; |
| |
| private static void buildEnabledInputMethodsSettingString( |
| StringBuilder builder, Pair<String, ArrayList<String>> ime) { |
| builder.append(ime.first); |
| // Inputmethod and subtypes are saved in the settings as follows: |
| // ime0;subtype0;subtype1:ime1;subtype0:ime2:ime3;subtype0;subtype1 |
| for (String subtypeId: ime.second) { |
| builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtypeId); |
| } |
| } |
| |
| public static String buildInputMethodsSettingString( |
| List<Pair<String, ArrayList<String>>> allImeSettingsMap) { |
| final StringBuilder b = new StringBuilder(); |
| boolean needsSeparator = false; |
| for (Pair<String, ArrayList<String>> ime : allImeSettingsMap) { |
| if (needsSeparator) { |
| b.append(INPUT_METHOD_SEPARATER); |
| } |
| buildEnabledInputMethodsSettingString(b, ime); |
| needsSeparator = true; |
| } |
| return b.toString(); |
| } |
| |
| public static List<Pair<String, ArrayList<String>>> buildInputMethodsAndSubtypeList( |
| String enabledInputMethodsStr, |
| TextUtils.SimpleStringSplitter inputMethodSplitter, |
| TextUtils.SimpleStringSplitter subtypeSplitter) { |
| ArrayList<Pair<String, ArrayList<String>>> imsList = |
| new ArrayList<Pair<String, ArrayList<String>>>(); |
| if (TextUtils.isEmpty(enabledInputMethodsStr)) { |
| return imsList; |
| } |
| inputMethodSplitter.setString(enabledInputMethodsStr); |
| while (inputMethodSplitter.hasNext()) { |
| String nextImsStr = inputMethodSplitter.next(); |
| subtypeSplitter.setString(nextImsStr); |
| if (subtypeSplitter.hasNext()) { |
| ArrayList<String> subtypeHashes = new ArrayList<String>(); |
| // The first element is ime id. |
| String imeId = subtypeSplitter.next(); |
| while (subtypeSplitter.hasNext()) { |
| subtypeHashes.add(subtypeSplitter.next()); |
| } |
| imsList.add(new Pair<String, ArrayList<String>>(imeId, subtypeHashes)); |
| } |
| } |
| return imsList; |
| } |
| |
| public InputMethodSettings( |
| Resources res, ContentResolver resolver, |
| HashMap<String, InputMethodInfo> methodMap, ArrayList<InputMethodInfo> methodList, |
| int userId) { |
| setCurrentUserId(userId); |
| mRes = res; |
| mResolver = resolver; |
| mMethodMap = methodMap; |
| mMethodList = methodList; |
| } |
| |
| public void setCurrentUserId(int userId) { |
| if (DEBUG) { |
| Slog.d(TAG, "--- Swtich the current user from " + mCurrentUserId + " to " + userId); |
| } |
| // IMMS settings are kept per user, so keep track of current user |
| mCurrentUserId = userId; |
| } |
| |
| public void setCurrentProfileIds(int[] currentProfileIds) { |
| synchronized (this) { |
| mCurrentProfileIds = currentProfileIds; |
| } |
| } |
| |
| public boolean isCurrentProfile(int userId) { |
| synchronized (this) { |
| if (userId == mCurrentUserId) return true; |
| for (int i = 0; i < mCurrentProfileIds.length; i++) { |
| if (userId == mCurrentProfileIds[i]) return true; |
| } |
| return false; |
| } |
| } |
| |
| public List<InputMethodInfo> getEnabledInputMethodListLocked() { |
| return createEnabledInputMethodListLocked( |
| getEnabledInputMethodsAndSubtypeListLocked()); |
| } |
| |
| public List<Pair<InputMethodInfo, ArrayList<String>>> |
| getEnabledInputMethodAndSubtypeHashCodeListLocked() { |
| return createEnabledInputMethodAndSubtypeHashCodeListLocked( |
| getEnabledInputMethodsAndSubtypeListLocked()); |
| } |
| |
| public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked( |
| Context context, InputMethodInfo imi, boolean allowsImplicitlySelectedSubtypes) { |
| List<InputMethodSubtype> enabledSubtypes = |
| getEnabledInputMethodSubtypeListLocked(imi); |
| if (allowsImplicitlySelectedSubtypes && enabledSubtypes.isEmpty()) { |
| enabledSubtypes = InputMethodUtils.getImplicitlyApplicableSubtypesLocked( |
| context.getResources(), imi); |
| } |
| return InputMethodSubtype.sort(context, 0, imi, enabledSubtypes); |
| } |
| |
| public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked( |
| InputMethodInfo imi) { |
| List<Pair<String, ArrayList<String>>> imsList = |
| getEnabledInputMethodsAndSubtypeListLocked(); |
| ArrayList<InputMethodSubtype> enabledSubtypes = |
| new ArrayList<InputMethodSubtype>(); |
| if (imi != null) { |
| for (Pair<String, ArrayList<String>> imsPair : imsList) { |
| InputMethodInfo info = mMethodMap.get(imsPair.first); |
| if (info != null && info.getId().equals(imi.getId())) { |
| final int subtypeCount = info.getSubtypeCount(); |
| for (int i = 0; i < subtypeCount; ++i) { |
| InputMethodSubtype ims = info.getSubtypeAt(i); |
| for (String s: imsPair.second) { |
| if (String.valueOf(ims.hashCode()).equals(s)) { |
| enabledSubtypes.add(ims); |
| } |
| } |
| } |
| break; |
| } |
| } |
| } |
| return enabledSubtypes; |
| } |
| |
| // At the initial boot, the settings for input methods are not set, |
| // so we need to enable IME in that case. |
| public void enableAllIMEsIfThereIsNoEnabledIME() { |
| if (TextUtils.isEmpty(getEnabledInputMethodsStr())) { |
| StringBuilder sb = new StringBuilder(); |
| final int N = mMethodList.size(); |
| for (int i = 0; i < N; i++) { |
| InputMethodInfo imi = mMethodList.get(i); |
| Slog.i(TAG, "Adding: " + imi.getId()); |
| if (i > 0) sb.append(':'); |
| sb.append(imi.getId()); |
| } |
| putEnabledInputMethodsStr(sb.toString()); |
| } |
| } |
| |
| public List<Pair<String, ArrayList<String>>> getEnabledInputMethodsAndSubtypeListLocked() { |
| return buildInputMethodsAndSubtypeList(getEnabledInputMethodsStr(), |
| mInputMethodSplitter, |
| mSubtypeSplitter); |
| } |
| |
| public void appendAndPutEnabledInputMethodLocked(String id, boolean reloadInputMethodStr) { |
| if (reloadInputMethodStr) { |
| getEnabledInputMethodsStr(); |
| } |
| if (TextUtils.isEmpty(mEnabledInputMethodsStrCache)) { |
| // Add in the newly enabled input method. |
| putEnabledInputMethodsStr(id); |
| } else { |
| putEnabledInputMethodsStr( |
| mEnabledInputMethodsStrCache + INPUT_METHOD_SEPARATER + id); |
| } |
| } |
| |
| /** |
| * Build and put a string of EnabledInputMethods with removing specified Id. |
| * @return the specified id was removed or not. |
| */ |
| public boolean buildAndPutEnabledInputMethodsStrRemovingIdLocked( |
| StringBuilder builder, List<Pair<String, ArrayList<String>>> imsList, String id) { |
| boolean isRemoved = false; |
| boolean needsAppendSeparator = false; |
| for (Pair<String, ArrayList<String>> ims: imsList) { |
| String curId = ims.first; |
| if (curId.equals(id)) { |
| // We are disabling this input method, and it is |
| // currently enabled. Skip it to remove from the |
| // new list. |
| isRemoved = true; |
| } else { |
| if (needsAppendSeparator) { |
| builder.append(INPUT_METHOD_SEPARATER); |
| } else { |
| needsAppendSeparator = true; |
| } |
| buildEnabledInputMethodsSettingString(builder, ims); |
| } |
| } |
| if (isRemoved) { |
| // Update the setting with the new list of input methods. |
| putEnabledInputMethodsStr(builder.toString()); |
| } |
| return isRemoved; |
| } |
| |
| private List<InputMethodInfo> createEnabledInputMethodListLocked( |
| List<Pair<String, ArrayList<String>>> imsList) { |
| final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); |
| for (Pair<String, ArrayList<String>> ims: imsList) { |
| InputMethodInfo info = mMethodMap.get(ims.first); |
| if (info != null) { |
| res.add(info); |
| } |
| } |
| return res; |
| } |
| |
| private List<Pair<InputMethodInfo, ArrayList<String>>> |
| createEnabledInputMethodAndSubtypeHashCodeListLocked( |
| List<Pair<String, ArrayList<String>>> imsList) { |
| final ArrayList<Pair<InputMethodInfo, ArrayList<String>>> res |
| = new ArrayList<Pair<InputMethodInfo, ArrayList<String>>>(); |
| for (Pair<String, ArrayList<String>> ims : imsList) { |
| InputMethodInfo info = mMethodMap.get(ims.first); |
| if (info != null) { |
| res.add(new Pair<InputMethodInfo, ArrayList<String>>(info, ims.second)); |
| } |
| } |
| return res; |
| } |
| |
| private void putEnabledInputMethodsStr(String str) { |
| Settings.Secure.putStringForUser( |
| mResolver, Settings.Secure.ENABLED_INPUT_METHODS, str, mCurrentUserId); |
| mEnabledInputMethodsStrCache = str; |
| if (DEBUG) { |
| Slog.d(TAG, "putEnabledInputMethodStr: " + str); |
| } |
| } |
| |
| public String getEnabledInputMethodsStr() { |
| mEnabledInputMethodsStrCache = Settings.Secure.getStringForUser( |
| mResolver, Settings.Secure.ENABLED_INPUT_METHODS, mCurrentUserId); |
| if (DEBUG) { |
| Slog.d(TAG, "getEnabledInputMethodsStr: " + mEnabledInputMethodsStrCache |
| + ", " + mCurrentUserId); |
| } |
| return mEnabledInputMethodsStrCache; |
| } |
| |
| private void saveSubtypeHistory( |
| List<Pair<String, String>> savedImes, String newImeId, String newSubtypeId) { |
| StringBuilder builder = new StringBuilder(); |
| boolean isImeAdded = false; |
| if (!TextUtils.isEmpty(newImeId) && !TextUtils.isEmpty(newSubtypeId)) { |
| builder.append(newImeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( |
| newSubtypeId); |
| isImeAdded = true; |
| } |
| for (Pair<String, String> ime: savedImes) { |
| String imeId = ime.first; |
| String subtypeId = ime.second; |
| if (TextUtils.isEmpty(subtypeId)) { |
| subtypeId = NOT_A_SUBTYPE_ID_STR; |
| } |
| if (isImeAdded) { |
| builder.append(INPUT_METHOD_SEPARATER); |
| } else { |
| isImeAdded = true; |
| } |
| builder.append(imeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( |
| subtypeId); |
| } |
| // Remove the last INPUT_METHOD_SEPARATER |
| putSubtypeHistoryStr(builder.toString()); |
| } |
| |
| private void addSubtypeToHistory(String imeId, String subtypeId) { |
| List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); |
| for (Pair<String, String> ime: subtypeHistory) { |
| if (ime.first.equals(imeId)) { |
| if (DEBUG) { |
| Slog.v(TAG, "Subtype found in the history: " + imeId + ", " |
| + ime.second); |
| } |
| // We should break here |
| subtypeHistory.remove(ime); |
| break; |
| } |
| } |
| if (DEBUG) { |
| Slog.v(TAG, "Add subtype to the history: " + imeId + ", " + subtypeId); |
| } |
| saveSubtypeHistory(subtypeHistory, imeId, subtypeId); |
| } |
| |
| private void putSubtypeHistoryStr(String str) { |
| if (DEBUG) { |
| Slog.d(TAG, "putSubtypeHistoryStr: " + str); |
| } |
| Settings.Secure.putStringForUser( |
| mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, str, mCurrentUserId); |
| } |
| |
| public Pair<String, String> getLastInputMethodAndSubtypeLocked() { |
| // Gets the first one from the history |
| return getLastSubtypeForInputMethodLockedInternal(null); |
| } |
| |
| public String getLastSubtypeForInputMethodLocked(String imeId) { |
| Pair<String, String> ime = getLastSubtypeForInputMethodLockedInternal(imeId); |
| if (ime != null) { |
| return ime.second; |
| } else { |
| return null; |
| } |
| } |
| |
| private Pair<String, String> getLastSubtypeForInputMethodLockedInternal(String imeId) { |
| List<Pair<String, ArrayList<String>>> enabledImes = |
| getEnabledInputMethodsAndSubtypeListLocked(); |
| List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); |
| for (Pair<String, String> imeAndSubtype : subtypeHistory) { |
| final String imeInTheHistory = imeAndSubtype.first; |
| // If imeId is empty, returns the first IME and subtype in the history |
| if (TextUtils.isEmpty(imeId) || imeInTheHistory.equals(imeId)) { |
| final String subtypeInTheHistory = imeAndSubtype.second; |
| final String subtypeHashCode = |
| getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked( |
| enabledImes, imeInTheHistory, subtypeInTheHistory); |
| if (!TextUtils.isEmpty(subtypeHashCode)) { |
| if (DEBUG) { |
| Slog.d(TAG, "Enabled subtype found in the history: " + subtypeHashCode); |
| } |
| return new Pair<String, String>(imeInTheHistory, subtypeHashCode); |
| } |
| } |
| } |
| if (DEBUG) { |
| Slog.d(TAG, "No enabled IME found in the history"); |
| } |
| return null; |
| } |
| |
| private String getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked(List<Pair<String, |
| ArrayList<String>>> enabledImes, String imeId, String subtypeHashCode) { |
| for (Pair<String, ArrayList<String>> enabledIme: enabledImes) { |
| if (enabledIme.first.equals(imeId)) { |
| final ArrayList<String> explicitlyEnabledSubtypes = enabledIme.second; |
| final InputMethodInfo imi = mMethodMap.get(imeId); |
| if (explicitlyEnabledSubtypes.size() == 0) { |
| // If there are no explicitly enabled subtypes, applicable subtypes are |
| // enabled implicitly. |
| // If IME is enabled and no subtypes are enabled, applicable subtypes |
| // are enabled implicitly, so needs to treat them to be enabled. |
| if (imi != null && imi.getSubtypeCount() > 0) { |
| List<InputMethodSubtype> implicitlySelectedSubtypes = |
| getImplicitlyApplicableSubtypesLocked(mRes, imi); |
| if (implicitlySelectedSubtypes != null) { |
| final int N = implicitlySelectedSubtypes.size(); |
| for (int i = 0; i < N; ++i) { |
| final InputMethodSubtype st = implicitlySelectedSubtypes.get(i); |
| if (String.valueOf(st.hashCode()).equals(subtypeHashCode)) { |
| return subtypeHashCode; |
| } |
| } |
| } |
| } |
| } else { |
| for (String s: explicitlyEnabledSubtypes) { |
| if (s.equals(subtypeHashCode)) { |
| // If both imeId and subtypeId are enabled, return subtypeId. |
| try { |
| final int hashCode = Integer.valueOf(subtypeHashCode); |
| // Check whether the subtype id is valid or not |
| if (isValidSubtypeId(imi, hashCode)) { |
| return s; |
| } else { |
| return NOT_A_SUBTYPE_ID_STR; |
| } |
| } catch (NumberFormatException e) { |
| return NOT_A_SUBTYPE_ID_STR; |
| } |
| } |
| } |
| } |
| // If imeId was enabled but subtypeId was disabled. |
| return NOT_A_SUBTYPE_ID_STR; |
| } |
| } |
| // If both imeId and subtypeId are disabled, return null |
| return null; |
| } |
| |
| private List<Pair<String, String>> loadInputMethodAndSubtypeHistoryLocked() { |
| ArrayList<Pair<String, String>> imsList = new ArrayList<Pair<String, String>>(); |
| final String subtypeHistoryStr = getSubtypeHistoryStr(); |
| if (TextUtils.isEmpty(subtypeHistoryStr)) { |
| return imsList; |
| } |
| mInputMethodSplitter.setString(subtypeHistoryStr); |
| while (mInputMethodSplitter.hasNext()) { |
| String nextImsStr = mInputMethodSplitter.next(); |
| mSubtypeSplitter.setString(nextImsStr); |
| if (mSubtypeSplitter.hasNext()) { |
| String subtypeId = NOT_A_SUBTYPE_ID_STR; |
| // The first element is ime id. |
| String imeId = mSubtypeSplitter.next(); |
| while (mSubtypeSplitter.hasNext()) { |
| subtypeId = mSubtypeSplitter.next(); |
| break; |
| } |
| imsList.add(new Pair<String, String>(imeId, subtypeId)); |
| } |
| } |
| return imsList; |
| } |
| |
| private String getSubtypeHistoryStr() { |
| if (DEBUG) { |
| Slog.d(TAG, "getSubtypeHistoryStr: " + Settings.Secure.getStringForUser( |
| mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId)); |
| } |
| return Settings.Secure.getStringForUser( |
| mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, mCurrentUserId); |
| } |
| |
| public void putSelectedInputMethod(String imeId) { |
| if (DEBUG) { |
| Slog.d(TAG, "putSelectedInputMethodStr: " + imeId + ", " |
| + mCurrentUserId); |
| } |
| Settings.Secure.putStringForUser( |
| mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, imeId, mCurrentUserId); |
| } |
| |
| public void putSelectedSubtype(int subtypeId) { |
| if (DEBUG) { |
| Slog.d(TAG, "putSelectedInputMethodSubtypeStr: " + subtypeId + ", " |
| + mCurrentUserId); |
| } |
| Settings.Secure.putIntForUser(mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, |
| subtypeId, mCurrentUserId); |
| } |
| |
| public String getDisabledSystemInputMethods() { |
| return Settings.Secure.getStringForUser( |
| mResolver, Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS, mCurrentUserId); |
| } |
| |
| public String getSelectedInputMethod() { |
| if (DEBUG) { |
| Slog.d(TAG, "getSelectedInputMethodStr: " + Settings.Secure.getStringForUser( |
| mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId) |
| + ", " + mCurrentUserId); |
| } |
| return Settings.Secure.getStringForUser( |
| mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, mCurrentUserId); |
| } |
| |
| public boolean isSubtypeSelected() { |
| return getSelectedInputMethodSubtypeHashCode() != NOT_A_SUBTYPE_ID; |
| } |
| |
| private int getSelectedInputMethodSubtypeHashCode() { |
| try { |
| return Settings.Secure.getIntForUser( |
| mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, mCurrentUserId); |
| } catch (SettingNotFoundException e) { |
| return NOT_A_SUBTYPE_ID; |
| } |
| } |
| |
| public boolean isShowImeWithHardKeyboardEnabled() { |
| return Settings.Secure.getIntForUser(mResolver, |
| Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD, 0, mCurrentUserId) == 1; |
| } |
| |
| public void setShowImeWithHardKeyboard(boolean show) { |
| Settings.Secure.putIntForUser(mResolver, Settings.Secure.SHOW_IME_WITH_HARD_KEYBOARD, |
| show ? 1 : 0, mCurrentUserId); |
| } |
| |
| public int getCurrentUserId() { |
| return mCurrentUserId; |
| } |
| |
| public int getSelectedInputMethodSubtypeId(String selectedImiId) { |
| final InputMethodInfo imi = mMethodMap.get(selectedImiId); |
| if (imi == null) { |
| return NOT_A_SUBTYPE_ID; |
| } |
| final int subtypeHashCode = getSelectedInputMethodSubtypeHashCode(); |
| return getSubtypeIdFromHashCode(imi, subtypeHashCode); |
| } |
| |
| public void saveCurrentInputMethodAndSubtypeToHistory( |
| String curMethodId, InputMethodSubtype currentSubtype) { |
| String subtypeId = NOT_A_SUBTYPE_ID_STR; |
| if (currentSubtype != null) { |
| subtypeId = String.valueOf(currentSubtype.hashCode()); |
| } |
| if (canAddToLastInputMethod(currentSubtype)) { |
| addSubtypeToHistory(curMethodId, subtypeId); |
| } |
| } |
| |
| public HashMap<InputMethodInfo, List<InputMethodSubtype>> |
| getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(Context context) { |
| HashMap<InputMethodInfo, List<InputMethodSubtype>> enabledInputMethodAndSubtypes = |
| new HashMap<InputMethodInfo, List<InputMethodSubtype>>(); |
| for (InputMethodInfo imi: getEnabledInputMethodListLocked()) { |
| enabledInputMethodAndSubtypes.put( |
| imi, getEnabledInputMethodSubtypeListLocked(context, imi, true)); |
| } |
| return enabledInputMethodAndSubtypes; |
| } |
| } |
| } |
