Java tutorial
/* * Copyright (c) 2015 Menny Even-Danan * * 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.yek.keyboard.keyboards; import android.content.Context; import android.content.res.Resources; import android.support.annotation.IntDef; import android.support.annotation.NonNull; import android.support.annotation.Nullable; import android.support.v4.util.ArrayMap; import android.text.TextUtils; import android.view.inputmethod.EditorInfo; import com.yek.keyboard.addons.AddOn; import com.yek.keyboard.addons.DefaultAddOn; import com.yek.keyboard.ime.InputViewBinder; import com.yek.keyboard.keyboards.AnyKeyboard.HardKeyboardTranslator; import com.yek.keyboard.utils.Logger; import com.yek.keyboard.AnyApplication; import com.yek.keyboard.R; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.util.List; public class KeyboardSwitcher { public interface KeyboardSwitchedListener { void onAlphabetKeyboardSet(@NonNull AnyKeyboard keyboard); void onSymbolsKeyboardSet(@NonNull AnyKeyboard keyboard); void onAvailableKeyboardsChanged(@NonNull List<KeyboardAddOnAndBuilder> builders); } private static String TAG = "ASK_KeySwitcher"; private static final AnyKeyboard[] EMPTY_AnyKeyboards = new AnyKeyboard[0]; public enum NextKeyboardType { Symbols, Alphabet, AlphabetSupportsPhysical, Any, PreviousAny, AnyInsideMode, OtherMode } public static final int INPUT_MODE_TEXT = 1; public static final int INPUT_MODE_SYMBOLS = 2; public static final int INPUT_MODE_PHONE = 3; public static final int INPUT_MODE_URL = 4; public static final int INPUT_MODE_EMAIL = 5; public static final int INPUT_MODE_IM = 6; public static final int INPUT_MODE_DATETIME = 7; public static final int INPUT_MODE_NUMBERS = 8; @Retention(RetentionPolicy.SOURCE) @IntDef({ INPUT_MODE_TEXT, INPUT_MODE_SYMBOLS, INPUT_MODE_PHONE, INPUT_MODE_URL, INPUT_MODE_EMAIL, INPUT_MODE_IM, INPUT_MODE_DATETIME, INPUT_MODE_NUMBERS }) public @interface InputModeId { } @Nullable private InputViewBinder mInputView; @NonNull private final KeyboardSwitchedListener mIME; @NonNull private final Context mContext; private static final int SYMBOLS_KEYBOARD_REGULAR_INDEX = 0; private static final int SYMBOLS_KEYBOARD_ALT_INDEX = 1; private static final int SYMBOLS_KEYBOARD_ALT_NUMBERS_INDEX = 2; private static final int SYMBOLS_KEYBOARD_LAST_CYCLE_INDEX = SYMBOLS_KEYBOARD_ALT_NUMBERS_INDEX; private static final int SYMBOLS_KEYBOARD_NUMBERS_INDEX = 3; private static final int SYMBOLS_KEYBOARD_PHONE_INDEX = 4; private static final int SYMBOLS_KEYBOARD_DATETIME_INDEX = 5; private static final int SYMBOLS_KEYBOARDS_COUNT = 6; @Keyboard.KeyboardRowModeId private int mKeyboardRowMode = Keyboard.KEYBOARD_ROW_MODE_NORMAL; private int mLastSelectedSymbolsKeyboard = SYMBOLS_KEYBOARD_REGULAR_INDEX; private AnyKeyboard[] mSymbolsKeyboardsArray = EMPTY_AnyKeyboards; // my working keyboards private AnyKeyboard[] mAlphabetKeyboards = EMPTY_AnyKeyboards; private KeyboardAddOnAndBuilder[] mAlphabetKeyboardsCreators = null; // this flag will be used for inputs which require specific layout // thus disabling the option to move to another layout private boolean mKeyboardLocked = false; private int mLastSelectedKeyboardIndex = 0; //this will hold the last used keyboard ID per app's package ID private final ArrayMap<String, String> mAlphabetKeyboardIndexByPackageId = new ArrayMap<>(); // private int mImeOptions; private boolean mAlphabetMode = true; @Nullable private EditorInfo mLastEditorInfo; private int mLatinKeyboardIndex; private final KeyboardDimens mKeyboardDimens; private final DefaultAddOn mDefaultAddOn; // Constructor hidden public KeyboardSwitcher(@NonNull KeyboardSwitchedListener ime, @NonNull Context context) { mDefaultAddOn = new DefaultAddOn(context, context); mIME = ime; mContext = context; final Resources res = mContext.getResources(); mKeyboardDimens = new KeyboardDimens() { public int getSmallKeyHeight() { return res.getDimensionPixelOffset(R.dimen.default_key_half_height); } public float getRowVerticalGap() { return res.getDimensionPixelOffset(R.dimen.default_key_vertical_gap); } public int getNormalKeyHeight() { return res.getDimensionPixelOffset(R.dimen.default_key_height); } public int getLargeKeyHeight() { return res.getDimensionPixelOffset(R.dimen.default_key_tall_height); } public int getKeyboardMaxWidth() { return mContext.getResources().getDisplayMetrics().widthPixels; } public float getKeyHorizontalGap() { return res.getDimensionPixelOffset(R.dimen.default_key_horizontal_gap); } }; mKeyboardRowMode = Keyboard.KEYBOARD_ROW_MODE_NORMAL; } public void setInputView(@NonNull InputViewBinder inputView) { mInputView = inputView; flushKeyboardsCache(); } @NonNull private synchronized AnyKeyboard getSymbolsKeyboard(int keyboardIndex) { ensureKeyboardsAreBuilt(); AnyKeyboard keyboard = mSymbolsKeyboardsArray[keyboardIndex]; if (keyboard == null || keyboard.getKeyboardMode() != mKeyboardRowMode) { switch (keyboardIndex) { case SYMBOLS_KEYBOARD_REGULAR_INDEX: if (AnyApplication.getConfig().use16KeysSymbolsKeyboards()) keyboard = createGenericKeyboard(mDefaultAddOn, mContext, R.xml.symbols_16keys, R.xml.symbols, mContext.getString(R.string.symbols_keyboard), "symbols_keyboard", mKeyboardRowMode, false); else keyboard = createGenericKeyboard(mDefaultAddOn, mContext, R.xml.symbols, R.xml.symbols, mContext.getString(R.string.symbols_keyboard), "symbols_keyboard", mKeyboardRowMode, false); break; case SYMBOLS_KEYBOARD_ALT_INDEX: if (AnyApplication.getConfig().use16KeysSymbolsKeyboards()) keyboard = createGenericKeyboard(mDefaultAddOn, mContext, R.xml.symbols_alt_16keys, R.xml.symbols_alt, mContext.getString(R.string.symbols_alt_keyboard), "alt_symbols_keyboard", mKeyboardRowMode, false); else keyboard = createGenericKeyboard(mDefaultAddOn, mContext, R.xml.symbols_alt, R.xml.symbols_alt, mContext.getString(R.string.symbols_alt_keyboard), "alt_symbols_keyboard", mKeyboardRowMode, false); break; case SYMBOLS_KEYBOARD_ALT_NUMBERS_INDEX: keyboard = createGenericKeyboard(mDefaultAddOn, mContext, R.xml.simple_alt_numbers, R.xml.simple_alt_numbers, mContext.getString(R.string.symbols_alt_num_keyboard), "alt_numbers_symbols_keyboard", mKeyboardRowMode, false); break; case SYMBOLS_KEYBOARD_PHONE_INDEX: keyboard = createGenericKeyboard(mDefaultAddOn, mContext, R.xml.simple_phone, R.xml.simple_phone, mContext.getString(R.string.symbols_phone_keyboard), "phone_symbols_keyboard", mKeyboardRowMode, true); break; case SYMBOLS_KEYBOARD_NUMBERS_INDEX: keyboard = createGenericKeyboard(mDefaultAddOn, mContext, R.xml.simple_numbers, R.xml.simple_numbers, mContext.getString(R.string.symbols_numbers_keyboard), "numbers_symbols_keyboard", mKeyboardRowMode, false); break; case SYMBOLS_KEYBOARD_DATETIME_INDEX: keyboard = createGenericKeyboard(mDefaultAddOn, mContext, R.xml.simple_datetime, R.xml.simple_datetime, mContext.getString(R.string.symbols_time_keyboard), "datetime_symbols_keyboard", mKeyboardRowMode, false); break; default: throw new IllegalArgumentException("Unknown keyboardIndex " + keyboardIndex); } mSymbolsKeyboardsArray[keyboardIndex] = keyboard; mLastSelectedSymbolsKeyboard = keyboardIndex; keyboard.loadKeyboard((mInputView != null) ? mInputView.getThemedKeyboardDimens() : mKeyboardDimens); mIME.onSymbolsKeyboardSet(keyboard); } return keyboard; } protected GenericKeyboard createGenericKeyboard(AddOn addOn, Context context, int layoutResId, int landscapeLayoutResId, String name, String keyboardId, int mode, boolean disableKeyPreview) { return new GenericKeyboard(addOn, context, layoutResId, landscapeLayoutResId, name, keyboardId, mode, disableKeyPreview); } private AnyKeyboard[] getAlphabetKeyboards() { ensureKeyboardsAreBuilt(); return mAlphabetKeyboards; } public synchronized KeyboardAddOnAndBuilder[] getEnabledKeyboardsBuilders() { ensureKeyboardsAreBuilt(); return mAlphabetKeyboardsCreators; } public void flushKeyboardsCache() { mAlphabetKeyboards = EMPTY_AnyKeyboards; mSymbolsKeyboardsArray = EMPTY_AnyKeyboards; mLastEditorInfo = null; } private synchronized void ensureKeyboardsAreBuilt() { if (mAlphabetKeyboards.length == 0 || mSymbolsKeyboardsArray.length == 0) { if (mAlphabetKeyboards.length == 0) { final List<KeyboardAddOnAndBuilder> enabledKeyboardBuilders = KeyboardFactory .getEnabledKeyboards(mContext); mIME.onAvailableKeyboardsChanged(enabledKeyboardBuilders); mAlphabetKeyboardsCreators = enabledKeyboardBuilders .toArray(new KeyboardAddOnAndBuilder[enabledKeyboardBuilders.size()]); mLatinKeyboardIndex = findFirstLatinKeyboardIndex(); mAlphabetKeyboards = new AnyKeyboard[mAlphabetKeyboardsCreators.length]; mLastSelectedKeyboardIndex = 0; } if (mSymbolsKeyboardsArray.length == 0) { mSymbolsKeyboardsArray = new AnyKeyboard[SYMBOLS_KEYBOARDS_COUNT]; if (mLastSelectedSymbolsKeyboard >= mSymbolsKeyboardsArray.length) mLastSelectedSymbolsKeyboard = 0; } // freeing old keyboards. System.gc(); } } private int findFirstLatinKeyboardIndex() { if (mAlphabetKeyboardsCreators == null) return -1; for (int index = 0; index < mAlphabetKeyboardsCreators.length; index++) { final KeyboardAddOnAndBuilder builder = mAlphabetKeyboardsCreators[index]; if ("en".equals(builder.getKeyboardLocale())) return index; } return -1; } public void setKeyboardMode(@InputModeId final int mode, final EditorInfo attr, final boolean restarting) { ensureKeyboardsAreBuilt(); final boolean keyboardGlobalModeChanged = attr.inputType != (mLastEditorInfo == null ? 0 : mLastEditorInfo.inputType); mLastEditorInfo = attr; mKeyboardRowMode = getKeyboardMode(attr); boolean resubmitToView = true; AnyKeyboard keyboard; switch (mode) { case INPUT_MODE_DATETIME: mAlphabetMode = false; mKeyboardLocked = true; keyboard = getSymbolsKeyboard(SYMBOLS_KEYBOARD_DATETIME_INDEX); break; case INPUT_MODE_NUMBERS: mAlphabetMode = false; mKeyboardLocked = true; keyboard = getSymbolsKeyboard(SYMBOLS_KEYBOARD_NUMBERS_INDEX); break; case INPUT_MODE_SYMBOLS: mAlphabetMode = false; mKeyboardLocked = true; keyboard = getSymbolsKeyboard(SYMBOLS_KEYBOARD_REGULAR_INDEX); break; case INPUT_MODE_PHONE: mAlphabetMode = false; mKeyboardLocked = true; keyboard = getSymbolsKeyboard(SYMBOLS_KEYBOARD_PHONE_INDEX); break; case INPUT_MODE_EMAIL: case INPUT_MODE_IM: case INPUT_MODE_TEXT: case INPUT_MODE_URL: default: mKeyboardLocked = false; if ((!restarting && mLatinKeyboardIndex >= 0) && (mode == INPUT_MODE_URL || mode == INPUT_MODE_EMAIL)) { // starting with English, but only in non-restarting mode // this is a fix for issue #62 mLastSelectedKeyboardIndex = mLatinKeyboardIndex; } else { //trying to re-use last keyboard the user used in this input field. if (AnyApplication.getConfig().getPersistLayoutForPackageId() && (!TextUtils.isEmpty(attr.packageName)) && mAlphabetKeyboardIndexByPackageId.containsKey(attr.packageName)) { final String reusedKeyboardAddOnId = mAlphabetKeyboardIndexByPackageId.get(attr.packageName); for (int builderIndex = 0; builderIndex < mAlphabetKeyboardsCreators.length; builderIndex++) { KeyboardAddOnAndBuilder builder = mAlphabetKeyboardsCreators[builderIndex]; if (builder.getId().equals(reusedKeyboardAddOnId)) { Logger.d(TAG, "Reusing keyboard at index %d for app %s", builderIndex, attr.packageName); mLastSelectedKeyboardIndex = builderIndex; } } } } // I'll start with a new alphabet keyboard if // 1) this is a non-restarting session, which means it is a brand // new input field. // 2) this is a restarting, but the mode changed (probably to Normal). if ((!restarting) || keyboardGlobalModeChanged) { mAlphabetMode = true; keyboard = getAlphabetKeyboard(mLastSelectedKeyboardIndex, attr); } else { // just keep doing what you did before. keyboard = getCurrentKeyboard(); resubmitToView = false; } break; } keyboard.setImeOptions(mContext.getResources(), attr); // now show if (resubmitToView) { mIME.onAlphabetKeyboardSet(keyboard); } } @Keyboard.KeyboardRowModeId private static int getKeyboardMode(EditorInfo attr) { if (attr == null) return Keyboard.KEYBOARD_ROW_MODE_NORMAL; int variation = attr.inputType & EditorInfo.TYPE_MASK_VARIATION; switch (variation) { case EditorInfo.TYPE_TEXT_VARIATION_EMAIL_ADDRESS: case EditorInfo.TYPE_TEXT_VARIATION_WEB_EMAIL_ADDRESS: return Keyboard.KEYBOARD_ROW_MODE_EMAIL; case EditorInfo.TYPE_TEXT_VARIATION_URI: return Keyboard.KEYBOARD_ROW_MODE_URL; case EditorInfo.TYPE_TEXT_VARIATION_SHORT_MESSAGE: case EditorInfo.TYPE_TEXT_VARIATION_EMAIL_SUBJECT: case EditorInfo.TYPE_TEXT_VARIATION_LONG_MESSAGE: return Keyboard.KEYBOARD_ROW_MODE_IM; case EditorInfo.TYPE_TEXT_VARIATION_PASSWORD: case EditorInfo.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD: case EditorInfo.TYPE_TEXT_VARIATION_WEB_PASSWORD: return AnyApplication.getConfig().supportPasswordKeyboardRowMode() ? Keyboard.KEYBOARD_ROW_MODE_PASSWORD : Keyboard.KEYBOARD_ROW_MODE_NORMAL; default: return Keyboard.KEYBOARD_ROW_MODE_NORMAL; } } private boolean isAlphabetMode() { return mAlphabetMode; } public AnyKeyboard nextAlphabetKeyboard(EditorInfo currentEditorInfo, String keyboardId) { AnyKeyboard current = getLockedKeyboard(currentEditorInfo); if (current != null) return current; final KeyboardAddOnAndBuilder[] enabledKeyboardsBuilders = getEnabledKeyboardsBuilders(); final int keyboardsCount = enabledKeyboardsBuilders.length; for (int keyboardIndex = 0; keyboardIndex < keyboardsCount; keyboardIndex++) { if (enabledKeyboardsBuilders[keyboardIndex].getId().equals(keyboardId)) { //iterating over builders, so we don't create keyboards just for getting ID current = getAlphabetKeyboard(keyboardIndex, currentEditorInfo); mAlphabetMode = true; mLastSelectedKeyboardIndex = keyboardIndex; // returning to the regular symbols keyboard, no matter what mLastSelectedSymbolsKeyboard = 0; current.setImeOptions(mContext.getResources(), currentEditorInfo); mIME.onAlphabetKeyboardSet(current); return current; } } Logger.w(TAG, "For some reason, I can't find keyboard with ID " + keyboardId); return null; } @Nullable private AnyKeyboard getLockedKeyboard(EditorInfo currentEditorInfo) { if (mKeyboardLocked) { AnyKeyboard current = getCurrentKeyboard(); Logger.i(TAG, "Request for keyboard but the keyboard-switcher is locked! Returning " + current.getKeyboardName()); current.setImeOptions(mContext.getResources(), currentEditorInfo); //locked keyboard is always symbols mIME.onSymbolsKeyboardSet(current); return current; } else { return null; } } public String peekNextSymbolsKeyboard() { if (mKeyboardLocked) { return mContext.getString(R.string.keyboard_change_locked); } else { int nextKeyboardIndex = getNextSymbolsKeyboardIndex(); int tooltipResId; switch (nextKeyboardIndex) { case SYMBOLS_KEYBOARD_ALT_INDEX: tooltipResId = R.string.symbols_alt_keyboard; break; case SYMBOLS_KEYBOARD_ALT_NUMBERS_INDEX: tooltipResId = R.string.symbols_alt_num_keyboard; break; case SYMBOLS_KEYBOARD_PHONE_INDEX: tooltipResId = R.string.symbols_phone_keyboard; break; case SYMBOLS_KEYBOARD_NUMBERS_INDEX: tooltipResId = R.string.symbols_numbers_keyboard; break; case SYMBOLS_KEYBOARD_DATETIME_INDEX: tooltipResId = R.string.symbols_time_keyboard; break; default: // case SYMBOLS_KEYBOARD_REGULAR_INDEX: tooltipResId = R.string.symbols_keyboard; break; } return mContext.getString(tooltipResId); } } public String peekNextAlphabetKeyboard() { if (mKeyboardLocked) { return mContext.getString(R.string.keyboard_change_locked); } else { final int keyboardsCount = mAlphabetKeyboardsCreators.length; int selectedKeyboard = mLastSelectedKeyboardIndex; if (isAlphabetMode()) selectedKeyboard++; if (selectedKeyboard >= keyboardsCount) selectedKeyboard = 0; return mAlphabetKeyboardsCreators[selectedKeyboard].getName(); } } private AnyKeyboard nextAlphabetKeyboard(EditorInfo currentEditorInfo, boolean supportsPhysical) { AnyKeyboard current = getLockedKeyboard(currentEditorInfo); if (current == null) { final int keyboardsCount = getAlphabetKeyboards().length; if (isAlphabetMode()) mLastSelectedKeyboardIndex++; mAlphabetMode = true; if (mLastSelectedKeyboardIndex >= keyboardsCount) mLastSelectedKeyboardIndex = 0; current = getAlphabetKeyboard(mLastSelectedKeyboardIndex, currentEditorInfo); // returning to the regular symbols keyboard, no matter what mLastSelectedSymbolsKeyboard = 0; if (supportsPhysical) { int testsLeft = keyboardsCount; while (!(current instanceof HardKeyboardTranslator) && (testsLeft > 0)) { mLastSelectedKeyboardIndex++; if (mLastSelectedKeyboardIndex >= keyboardsCount) mLastSelectedKeyboardIndex = 0; current = getAlphabetKeyboard(mLastSelectedKeyboardIndex, currentEditorInfo); testsLeft--; } // if we scanned all keyboards... we screwed... if (testsLeft == 0) { Logger.w(TAG, "Could not locate the next physical keyboard. Will continue with " + current.getKeyboardName()); } } current.setImeOptions(mContext.getResources(), currentEditorInfo); mIME.onAlphabetKeyboardSet(current); return current; } else { return current; } } @NonNull private AnyKeyboard nextSymbolsKeyboard(EditorInfo currentEditorInfo) { AnyKeyboard locked = getLockedKeyboard(currentEditorInfo); if (locked != null) return locked; mLastSelectedSymbolsKeyboard = getNextSymbolsKeyboardIndex(); mAlphabetMode = false; AnyKeyboard current = getSymbolsKeyboard(mLastSelectedSymbolsKeyboard); current.setImeOptions(mContext.getResources(), currentEditorInfo); mIME.onSymbolsKeyboardSet(current); return current; } private int getNextSymbolsKeyboardIndex() { int nextKeyboardIndex = mLastSelectedSymbolsKeyboard; if (AnyApplication.getConfig().getCycleOverAllSymbols()) { if (!isAlphabetMode()) { if (nextKeyboardIndex >= SYMBOLS_KEYBOARD_LAST_CYCLE_INDEX) nextKeyboardIndex = SYMBOLS_KEYBOARD_REGULAR_INDEX; else nextKeyboardIndex++; } else nextKeyboardIndex = SYMBOLS_KEYBOARD_REGULAR_INDEX; } else { nextKeyboardIndex = SYMBOLS_KEYBOARD_REGULAR_INDEX; } return nextKeyboardIndex; } public String getCurrentKeyboardSentenceSeparators() { if (isAlphabetMode()) { ensureKeyboardsAreBuilt(); if (mLastSelectedKeyboardIndex < mAlphabetKeyboardsCreators.length) { return mAlphabetKeyboardsCreators[mLastSelectedKeyboardIndex].getSentenceSeparators(); } else { return null; } } else { return null; } } private AnyKeyboard getCurrentKeyboard() { if (isAlphabetMode()) { return getAlphabetKeyboard(mLastSelectedKeyboardIndex, mLastEditorInfo); } else { return getSymbolsKeyboard(mLastSelectedSymbolsKeyboard); } } @NonNull private synchronized AnyKeyboard getAlphabetKeyboard(int index, @Nullable EditorInfo editorInfo) { AnyKeyboard[] keyboards = getAlphabetKeyboards(); if (index >= keyboards.length) index = 0; AnyKeyboard keyboard = keyboards[index]; final int mode = getKeyboardMode(editorInfo); if (keyboard == null || keyboard.getKeyboardMode() != mode) { KeyboardAddOnAndBuilder creator = mAlphabetKeyboardsCreators[index]; if ((keyboard = keyboards[index] = createKeyboardFromCreator(mode, creator)) == null) { //this is bad... Maybe the keyboard plugin was uninstalled and we did not detect. flushKeyboardsCache(); index = 0;//we always have the built-in English keyboard return getAlphabetKeyboard(index, editorInfo); } else { keyboard.loadKeyboard( (mInputView != null) ? mInputView.getThemedKeyboardDimens() : mKeyboardDimens); } } if (editorInfo != null && !TextUtils.isEmpty(editorInfo.packageName)) { mAlphabetKeyboardIndexByPackageId.put(editorInfo.packageName, keyboard.getKeyboardAddOn().getId()); } return keyboard; } protected AnyKeyboard createKeyboardFromCreator(int mode, KeyboardAddOnAndBuilder creator) { return creator.createKeyboard(mContext, mode); } @NonNull public AnyKeyboard nextKeyboard(EditorInfo currentEditorInfo, NextKeyboardType type) { AnyKeyboard locked = getLockedKeyboard(currentEditorInfo); if (locked != null) return locked; switch (type) { case Alphabet: case AlphabetSupportsPhysical: return nextAlphabetKeyboard(currentEditorInfo, (type == NextKeyboardType.AlphabetSupportsPhysical)); case Symbols: return nextSymbolsKeyboard(currentEditorInfo); case Any: case PreviousAny: // currently we'll support only one direction cycling through the alphabet, and at the end, going to the symbols. final int alphabetKeyboardsCount = getAlphabetKeyboards().length; if (mAlphabetMode) { if (mLastSelectedKeyboardIndex >= (alphabetKeyboardsCount - 1)) { // we are at the last alphabet keyboard mLastSelectedKeyboardIndex = 0; return nextSymbolsKeyboard(currentEditorInfo); } else { return nextAlphabetKeyboard(currentEditorInfo, false); } } else { if (mLastSelectedSymbolsKeyboard >= SYMBOLS_KEYBOARD_LAST_CYCLE_INDEX) { // we are at the last symbols keyboard mLastSelectedSymbolsKeyboard = 0; return nextAlphabetKeyboard(currentEditorInfo, false); } else { return nextSymbolsKeyboard(currentEditorInfo); } } case AnyInsideMode: if (mAlphabetMode) { // re-calling this function,but with Alphabet return nextKeyboard(currentEditorInfo, NextKeyboardType.Alphabet); } else { // re-calling this function,but with Symbols return nextKeyboard(currentEditorInfo, NextKeyboardType.Symbols); } case OtherMode: if (mAlphabetMode) { // re-calling this function,but with Symbols return nextKeyboard(currentEditorInfo, NextKeyboardType.Symbols); } else { // re-calling this function,but with Alphabet return nextKeyboard(currentEditorInfo, NextKeyboardType.Alphabet); } default: return nextAlphabetKeyboard(currentEditorInfo, false); } } public AnyKeyboard nextAlterKeyboard(EditorInfo currentEditorInfo) { AnyKeyboard locked = getLockedKeyboard(currentEditorInfo); if (locked != null) return locked; AnyKeyboard currentKeyboard = getCurrentKeyboard(); if (!isAlphabetMode()) { if (mLastSelectedSymbolsKeyboard == SYMBOLS_KEYBOARD_REGULAR_INDEX) { mLastSelectedSymbolsKeyboard = SYMBOLS_KEYBOARD_ALT_INDEX; } else// if (mLastSelectedSymbolsKeyboard == // SYMBOLS_KEYBOARD_ALT_INDEX) { mLastSelectedSymbolsKeyboard = SYMBOLS_KEYBOARD_REGULAR_INDEX; } // else return currentKeyboard; currentKeyboard = getSymbolsKeyboard(mLastSelectedSymbolsKeyboard); currentKeyboard.setImeOptions(mContext.getResources(), currentEditorInfo); mIME.onSymbolsKeyboardSet(currentKeyboard); return currentKeyboard; } return currentKeyboard; } public boolean isCurrentKeyboardPhysical() { AnyKeyboard current = getCurrentKeyboard(); return (current != null) && (current instanceof HardKeyboardTranslator); } public void onLowMemory() { if (mSymbolsKeyboardsArray != null) { for (int index = 0; index < mSymbolsKeyboardsArray.length; index++) { AnyKeyboard current = mSymbolsKeyboardsArray[index]; if ((current != null) && (isAlphabetMode() || (mLastSelectedSymbolsKeyboard != index))) { Logger.i(TAG, "KeyboardSwitcher::onLowMemory: Removing " + current.getKeyboardName()); mSymbolsKeyboardsArray[index] = null; } } // in alphabet we are a bit cautious.. // just removing the not selected keyboards. for (int index = 0; index < mAlphabetKeyboards.length; index++) { AnyKeyboard current = mAlphabetKeyboards[index]; if ((current != null) && (mLastSelectedKeyboardIndex != index)) { Logger.i(TAG, "KeyboardSwitcher::onLowMemory: Removing " + current.getKeyboardName()); mAlphabetKeyboards[index] = null; } } } } public boolean shouldPopupForLanguageSwitch() { // only in alphabet mode, // and only if there are more than two keyboards // and only if user requested to have a popup return mAlphabetMode && (getAlphabetKeyboards().length > 2) && AnyApplication.getConfig().shouldShowPopupForLanguageSwitch(); } }