94 lines
3.9 KiB
Java
94 lines
3.9 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin;
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import android.text.TextUtils;
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import com.android.inputmethod.event.Event;
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import com.android.inputmethod.latin.common.InputPointers;
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import com.android.inputmethod.latin.define.DecoderSpecificConstants;
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import java.util.ArrayList;
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/**
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* This class encapsulates data about a word previously composed, but that has been
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* committed already. This is used for resuming suggestion, and cancel auto-correction.
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*/
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public final class LastComposedWord {
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// COMMIT_TYPE_USER_TYPED_WORD is used when the word committed is the exact typed word, with
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// no hinting from the IME. It happens when some external event happens (rotating the device,
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// for example) or when auto-correction is off by settings or editor attributes.
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public static final int COMMIT_TYPE_USER_TYPED_WORD = 0;
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// COMMIT_TYPE_MANUAL_PICK is used when the user pressed a field in the suggestion strip.
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public static final int COMMIT_TYPE_MANUAL_PICK = 1;
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// COMMIT_TYPE_DECIDED_WORD is used when the IME commits the word it decided was best
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// for the current user input. It may be different from what the user typed (true auto-correct)
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// or it may be exactly what the user typed if it's in the dictionary or the IME does not have
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// enough confidence in any suggestion to auto-correct (auto-correct to typed word).
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public static final int COMMIT_TYPE_DECIDED_WORD = 2;
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// COMMIT_TYPE_CANCEL_AUTO_CORRECT is used upon committing back the old word upon cancelling
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// an auto-correction.
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public static final int COMMIT_TYPE_CANCEL_AUTO_CORRECT = 3;
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public static final String NOT_A_SEPARATOR = "";
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public final ArrayList<Event> mEvents;
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public final String mTypedWord;
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public final CharSequence mCommittedWord;
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public final String mSeparatorString;
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public final NgramContext mNgramContext;
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public final int mCapitalizedMode;
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public final InputPointers mInputPointers =
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new InputPointers(DecoderSpecificConstants.DICTIONARY_MAX_WORD_LENGTH);
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private boolean mActive;
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public static final LastComposedWord NOT_A_COMPOSED_WORD =
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new LastComposedWord(new ArrayList<Event>(), null, "", "",
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NOT_A_SEPARATOR, null, WordComposer.CAPS_MODE_OFF);
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// Warning: this is using the passed objects as is and fully expects them to be
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// immutable. Do not fiddle with their contents after you passed them to this constructor.
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public LastComposedWord(final ArrayList<Event> events,
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final InputPointers inputPointers, final String typedWord,
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final CharSequence committedWord, final String separatorString,
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final NgramContext ngramContext, final int capitalizedMode) {
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if (inputPointers != null) {
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mInputPointers.copy(inputPointers);
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}
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mTypedWord = typedWord;
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mEvents = new ArrayList<>(events);
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mCommittedWord = committedWord;
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mSeparatorString = separatorString;
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mActive = true;
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mNgramContext = ngramContext;
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mCapitalizedMode = capitalizedMode;
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}
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public void deactivate() {
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mActive = false;
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}
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public boolean canRevertCommit() {
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return mActive && !TextUtils.isEmpty(mCommittedWord) && !didCommitTypedWord();
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}
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private boolean didCommitTypedWord() {
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return TextUtils.equals(mTypedWord, mCommittedWord);
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}
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}
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