bc18005948
Bug: 11330140 Bug: 17875601 Bug: 17623275 Change-Id: Ie4620f36f312c54c7b01b5f6cbdb0bc9171b6179
539 lines
23 KiB
Java
539 lines
23 KiB
Java
/*
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* Copyright (C) 2011 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.suggestions;
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import android.content.Context;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.graphics.Color;
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import android.graphics.drawable.Drawable;
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import android.support.v4.view.ViewCompat;
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import android.text.TextUtils;
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import android.util.AttributeSet;
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import android.util.TypedValue;
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import android.view.GestureDetector;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.View.OnLongClickListener;
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import android.view.ViewGroup;
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import android.view.ViewParent;
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import android.view.accessibility.AccessibilityEvent;
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import android.widget.ImageButton;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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import com.android.inputmethod.accessibility.AccessibilityUtils;
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import com.android.inputmethod.keyboard.Keyboard;
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import com.android.inputmethod.keyboard.MainKeyboardView;
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import com.android.inputmethod.keyboard.MoreKeysPanel;
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import com.android.inputmethod.latin.AudioAndHapticFeedbackManager;
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import com.android.inputmethod.latin.Constants;
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import com.android.inputmethod.latin.R;
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import com.android.inputmethod.latin.SuggestedWords;
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import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
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import com.android.inputmethod.latin.define.DebugFlags;
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import com.android.inputmethod.latin.settings.Settings;
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import com.android.inputmethod.latin.settings.SettingsValues;
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import com.android.inputmethod.latin.suggestions.MoreSuggestionsView.MoreSuggestionsListener;
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import com.android.inputmethod.latin.utils.ImportantNoticeUtils;
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import java.util.ArrayList;
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public final class SuggestionStripView extends RelativeLayout implements OnClickListener,
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OnLongClickListener {
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public interface Listener {
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public void addWordToUserDictionary(String word);
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public void showImportantNoticeContents();
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public void pickSuggestionManually(SuggestedWordInfo word);
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public void onCodeInput(int primaryCode, int x, int y, boolean isKeyRepeat);
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}
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static final boolean DBG = DebugFlags.DEBUG_ENABLED;
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private static final float DEBUG_INFO_TEXT_SIZE_IN_DIP = 6.0f;
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private final ViewGroup mSuggestionsStrip;
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private final ImageButton mVoiceKey;
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private final ViewGroup mAddToDictionaryStrip;
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private final View mImportantNoticeStrip;
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MainKeyboardView mMainKeyboardView;
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private final View mMoreSuggestionsContainer;
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private final MoreSuggestionsView mMoreSuggestionsView;
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private final MoreSuggestions.Builder mMoreSuggestionsBuilder;
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private final ArrayList<TextView> mWordViews = new ArrayList<>();
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private final ArrayList<TextView> mDebugInfoViews = new ArrayList<>();
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private final ArrayList<View> mDividerViews = new ArrayList<>();
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Listener mListener;
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private SuggestedWords mSuggestedWords = SuggestedWords.getEmptyInstance();
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private int mStartIndexOfMoreSuggestions;
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private final SuggestionStripLayoutHelper mLayoutHelper;
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private final StripVisibilityGroup mStripVisibilityGroup;
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private static class StripVisibilityGroup {
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private final View mSuggestionStripView;
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private final View mSuggestionsStrip;
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private final View mAddToDictionaryStrip;
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private final View mImportantNoticeStrip;
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public StripVisibilityGroup(final View suggestionStripView,
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final ViewGroup suggestionsStrip, final ViewGroup addToDictionaryStrip,
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final View importantNoticeStrip) {
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mSuggestionStripView = suggestionStripView;
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mSuggestionsStrip = suggestionsStrip;
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mAddToDictionaryStrip = addToDictionaryStrip;
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mImportantNoticeStrip = importantNoticeStrip;
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showSuggestionsStrip();
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}
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public void setLayoutDirection(final boolean isRtlLanguage) {
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final int layoutDirection = isRtlLanguage ? ViewCompat.LAYOUT_DIRECTION_RTL
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: ViewCompat.LAYOUT_DIRECTION_LTR;
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ViewCompat.setLayoutDirection(mSuggestionStripView, layoutDirection);
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ViewCompat.setLayoutDirection(mSuggestionsStrip, layoutDirection);
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ViewCompat.setLayoutDirection(mAddToDictionaryStrip, layoutDirection);
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ViewCompat.setLayoutDirection(mImportantNoticeStrip, layoutDirection);
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}
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public void showSuggestionsStrip() {
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mSuggestionsStrip.setVisibility(VISIBLE);
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mAddToDictionaryStrip.setVisibility(INVISIBLE);
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mImportantNoticeStrip.setVisibility(INVISIBLE);
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}
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public void showAddToDictionaryStrip() {
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mSuggestionsStrip.setVisibility(INVISIBLE);
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mAddToDictionaryStrip.setVisibility(VISIBLE);
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mImportantNoticeStrip.setVisibility(INVISIBLE);
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}
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public void showImportantNoticeStrip() {
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mSuggestionsStrip.setVisibility(INVISIBLE);
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mAddToDictionaryStrip.setVisibility(INVISIBLE);
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mImportantNoticeStrip.setVisibility(VISIBLE);
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}
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public boolean isShowingImportantNoticeStrip() {
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return mImportantNoticeStrip.getVisibility() == VISIBLE;
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}
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public boolean isShowingAddToDictionaryStrip() {
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return mAddToDictionaryStrip.getVisibility() == VISIBLE;
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}
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}
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/**
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* Construct a {@link SuggestionStripView} for showing suggestions to be picked by the user.
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* @param context
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* @param attrs
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*/
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public SuggestionStripView(final Context context, final AttributeSet attrs) {
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this(context, attrs, R.attr.suggestionStripViewStyle);
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}
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public SuggestionStripView(final Context context, final AttributeSet attrs,
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final int defStyle) {
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super(context, attrs, defStyle);
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final LayoutInflater inflater = LayoutInflater.from(context);
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inflater.inflate(R.layout.suggestions_strip, this);
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mSuggestionsStrip = (ViewGroup)findViewById(R.id.suggestions_strip);
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mVoiceKey = (ImageButton)findViewById(R.id.suggestions_strip_voice_key);
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mAddToDictionaryStrip = (ViewGroup)findViewById(R.id.add_to_dictionary_strip);
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mImportantNoticeStrip = findViewById(R.id.important_notice_strip);
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mStripVisibilityGroup = new StripVisibilityGroup(this, mSuggestionsStrip,
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mAddToDictionaryStrip, mImportantNoticeStrip);
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for (int pos = 0; pos < SuggestedWords.MAX_SUGGESTIONS; pos++) {
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final TextView word = new TextView(context, null, R.attr.suggestionWordStyle);
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word.setOnClickListener(this);
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word.setOnLongClickListener(this);
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mWordViews.add(word);
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final View divider = inflater.inflate(R.layout.suggestion_divider, null);
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mDividerViews.add(divider);
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final TextView info = new TextView(context, null, R.attr.suggestionWordStyle);
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info.setTextColor(Color.WHITE);
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info.setTextSize(TypedValue.COMPLEX_UNIT_DIP, DEBUG_INFO_TEXT_SIZE_IN_DIP);
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mDebugInfoViews.add(info);
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}
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mLayoutHelper = new SuggestionStripLayoutHelper(
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context, attrs, defStyle, mWordViews, mDividerViews, mDebugInfoViews);
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mMoreSuggestionsContainer = inflater.inflate(R.layout.more_suggestions, null);
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mMoreSuggestionsView = (MoreSuggestionsView)mMoreSuggestionsContainer
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.findViewById(R.id.more_suggestions_view);
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mMoreSuggestionsBuilder = new MoreSuggestions.Builder(context, mMoreSuggestionsView);
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final Resources res = context.getResources();
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mMoreSuggestionsModalTolerance = res.getDimensionPixelOffset(
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R.dimen.config_more_suggestions_modal_tolerance);
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mMoreSuggestionsSlidingDetector = new GestureDetector(
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context, mMoreSuggestionsSlidingListener);
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final TypedArray keyboardAttr = context.obtainStyledAttributes(attrs,
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R.styleable.Keyboard, defStyle, R.style.SuggestionStripView);
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final Drawable iconVoice = keyboardAttr.getDrawable(R.styleable.Keyboard_iconShortcutKey);
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keyboardAttr.recycle();
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mVoiceKey.setImageDrawable(iconVoice);
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mVoiceKey.setOnClickListener(this);
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}
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/**
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* A connection back to the input method.
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* @param listener
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*/
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public void setListener(final Listener listener, final View inputView) {
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mListener = listener;
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mMainKeyboardView = (MainKeyboardView)inputView.findViewById(R.id.keyboard_view);
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}
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public void updateVisibility(final boolean shouldBeVisible, final boolean isFullscreenMode) {
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final int visibility = shouldBeVisible ? VISIBLE : (isFullscreenMode ? GONE : INVISIBLE);
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setVisibility(visibility);
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final SettingsValues currentSettingsValues = Settings.getInstance().getCurrent();
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mVoiceKey.setVisibility(currentSettingsValues.mShowsVoiceInputKey ? VISIBLE : INVISIBLE);
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}
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public void setSuggestions(final SuggestedWords suggestedWords, final boolean isRtlLanguage) {
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clear();
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mStripVisibilityGroup.setLayoutDirection(isRtlLanguage);
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mSuggestedWords = suggestedWords;
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mStartIndexOfMoreSuggestions = mLayoutHelper.layoutAndReturnStartIndexOfMoreSuggestions(
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mSuggestedWords, mSuggestionsStrip, this);
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mStripVisibilityGroup.showSuggestionsStrip();
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}
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public void setMoreSuggestionsHeight(final int remainingHeight) {
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mLayoutHelper.setMoreSuggestionsHeight(remainingHeight);
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}
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public boolean isShowingAddToDictionaryHint() {
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return mStripVisibilityGroup.isShowingAddToDictionaryStrip();
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}
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public void showAddToDictionaryHint(final String word, final boolean shouldShowWordToSave) {
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mLayoutHelper.layoutAddToDictionaryHint(word, mAddToDictionaryStrip, shouldShowWordToSave);
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// {@link TextView#setTag()} is used to hold the word to be added to dictionary. The word
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// will be extracted at {@link #onClick(View)}.
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mAddToDictionaryStrip.setTag(word);
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mAddToDictionaryStrip.setOnClickListener(this);
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mStripVisibilityGroup.showAddToDictionaryStrip();
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}
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public boolean dismissAddToDictionaryHint() {
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if (isShowingAddToDictionaryHint()) {
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clear();
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return true;
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}
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return false;
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}
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// This method checks if we should show the important notice (checks on permanent storage if
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// it has been shown once already or not, and if in the setup wizard). If applicable, it shows
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// the notice. In all cases, it returns true if it was shown, false otherwise.
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public boolean maybeShowImportantNoticeTitle() {
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if (!ImportantNoticeUtils.shouldShowImportantNotice(getContext())) {
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return false;
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}
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if (getWidth() <= 0) {
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return false;
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}
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final String importantNoticeTitle = ImportantNoticeUtils.getNextImportantNoticeTitle(
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getContext());
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if (TextUtils.isEmpty(importantNoticeTitle)) {
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return false;
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}
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if (isShowingMoreSuggestionPanel()) {
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dismissMoreSuggestionsPanel();
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}
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mLayoutHelper.layoutImportantNotice(mImportantNoticeStrip, importantNoticeTitle);
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mStripVisibilityGroup.showImportantNoticeStrip();
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mImportantNoticeStrip.setOnClickListener(this);
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return true;
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}
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public void clear() {
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mSuggestionsStrip.removeAllViews();
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removeAllDebugInfoViews();
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mStripVisibilityGroup.showSuggestionsStrip();
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dismissMoreSuggestionsPanel();
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}
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private void removeAllDebugInfoViews() {
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// The debug info views may be placed as children views of this {@link SuggestionStripView}.
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for (final View debugInfoView : mDebugInfoViews) {
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final ViewParent parent = debugInfoView.getParent();
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if (parent instanceof ViewGroup) {
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((ViewGroup)parent).removeView(debugInfoView);
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}
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}
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}
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private final MoreSuggestionsListener mMoreSuggestionsListener = new MoreSuggestionsListener() {
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@Override
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public void onSuggestionSelected(final SuggestedWordInfo wordInfo) {
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mListener.pickSuggestionManually(wordInfo);
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dismissMoreSuggestionsPanel();
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}
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@Override
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public void onCancelInput() {
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dismissMoreSuggestionsPanel();
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}
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};
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private final MoreKeysPanel.Controller mMoreSuggestionsController =
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new MoreKeysPanel.Controller() {
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@Override
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public void onDismissMoreKeysPanel() {
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mMainKeyboardView.onDismissMoreKeysPanel();
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}
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@Override
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public void onShowMoreKeysPanel(final MoreKeysPanel panel) {
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mMainKeyboardView.onShowMoreKeysPanel(panel);
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}
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@Override
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public void onCancelMoreKeysPanel() {
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dismissMoreSuggestionsPanel();
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}
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};
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public boolean isShowingMoreSuggestionPanel() {
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return mMoreSuggestionsView.isShowingInParent();
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}
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public void dismissMoreSuggestionsPanel() {
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mMoreSuggestionsView.dismissMoreKeysPanel();
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}
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@Override
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public boolean onLongClick(final View view) {
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AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(
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Constants.NOT_A_CODE, this);
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return showMoreSuggestions();
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}
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boolean showMoreSuggestions() {
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final Keyboard parentKeyboard = mMainKeyboardView.getKeyboard();
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if (parentKeyboard == null) {
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return false;
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}
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final SuggestionStripLayoutHelper layoutHelper = mLayoutHelper;
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if (mSuggestedWords.size() <= mStartIndexOfMoreSuggestions) {
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return false;
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}
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// Dismiss another {@link MoreKeysPanel} that may be being showed, for example
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// {@link MoreKeysKeyboardView}.
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mMainKeyboardView.onDismissMoreKeysPanel();
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// Dismiss all key previews and sliding key input preview that may be being showed.
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mMainKeyboardView.dismissAllKeyPreviews();
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mMainKeyboardView.dismissSlidingKeyInputPreview();
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final int stripWidth = getWidth();
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final View container = mMoreSuggestionsContainer;
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final int maxWidth = stripWidth - container.getPaddingLeft() - container.getPaddingRight();
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final MoreSuggestions.Builder builder = mMoreSuggestionsBuilder;
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builder.layout(mSuggestedWords, mStartIndexOfMoreSuggestions, maxWidth,
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(int)(maxWidth * layoutHelper.mMinMoreSuggestionsWidth),
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layoutHelper.getMaxMoreSuggestionsRow(), parentKeyboard);
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mMoreSuggestionsView.setKeyboard(builder.build());
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container.measure(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
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final MoreKeysPanel moreKeysPanel = mMoreSuggestionsView;
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final int pointX = stripWidth / 2;
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final int pointY = -layoutHelper.mMoreSuggestionsBottomGap;
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moreKeysPanel.showMoreKeysPanel(this, mMoreSuggestionsController, pointX, pointY,
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mMoreSuggestionsListener);
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mOriginX = mLastX;
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mOriginY = mLastY;
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for (int i = 0; i < mStartIndexOfMoreSuggestions; i++) {
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mWordViews.get(i).setPressed(false);
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}
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return true;
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}
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// Working variables for {@link onInterceptTouchEvent(MotionEvent)} and
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// {@link onTouchEvent(MotionEvent)}.
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private int mLastX;
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private int mLastY;
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private int mOriginX;
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private int mOriginY;
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private final int mMoreSuggestionsModalTolerance;
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private boolean mNeedsToTransformTouchEventToHoverEvent;
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private boolean mIsDispatchingHoverEventToMoreSuggestions;
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private final GestureDetector mMoreSuggestionsSlidingDetector;
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private final GestureDetector.OnGestureListener mMoreSuggestionsSlidingListener =
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new GestureDetector.SimpleOnGestureListener() {
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@Override
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public boolean onScroll(MotionEvent down, MotionEvent me, float deltaX, float deltaY) {
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final float dy = me.getY() - down.getY();
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if (deltaY > 0 && dy < 0) {
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return showMoreSuggestions();
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}
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return false;
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}
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};
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@Override
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public boolean onInterceptTouchEvent(final MotionEvent me) {
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if (mStripVisibilityGroup.isShowingImportantNoticeStrip()) {
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return false;
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}
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// Detecting sliding up finger to show {@link MoreSuggestionsView}.
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if (!mMoreSuggestionsView.isShowingInParent()) {
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mLastX = (int)me.getX();
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mLastY = (int)me.getY();
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return mMoreSuggestionsSlidingDetector.onTouchEvent(me);
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}
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if (mMoreSuggestionsView.isInModalMode()) {
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return false;
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}
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final int action = me.getAction();
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final int index = me.getActionIndex();
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final int x = (int)me.getX(index);
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final int y = (int)me.getY(index);
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if (Math.abs(x - mOriginX) >= mMoreSuggestionsModalTolerance
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|| mOriginY - y >= mMoreSuggestionsModalTolerance) {
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// Decided to be in the sliding suggestion mode only when the touch point has been moved
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// upward. Further {@link MotionEvent}s will be delivered to
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// {@link #onTouchEvent(MotionEvent)}.
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mNeedsToTransformTouchEventToHoverEvent =
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AccessibilityUtils.getInstance().isTouchExplorationEnabled();
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mIsDispatchingHoverEventToMoreSuggestions = false;
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return true;
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}
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if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_POINTER_UP) {
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// Decided to be in the modal input mode.
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mMoreSuggestionsView.setModalMode();
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}
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return false;
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}
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@Override
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public boolean dispatchPopulateAccessibilityEvent(final AccessibilityEvent event) {
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// Don't populate accessibility event with suggested words and voice key.
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return true;
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}
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@Override
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public boolean onTouchEvent(final MotionEvent me) {
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if (!mMoreSuggestionsView.isShowingInParent()) {
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// Ignore any touch event while more suggestions panel hasn't been shown.
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// Detecting sliding up is done at {@link #onInterceptTouchEvent}.
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return true;
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}
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// In the sliding input mode. {@link MotionEvent} should be forwarded to
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// {@link MoreSuggestionsView}.
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final int index = me.getActionIndex();
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final int x = mMoreSuggestionsView.translateX((int)me.getX(index));
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final int y = mMoreSuggestionsView.translateY((int)me.getY(index));
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me.setLocation(x, y);
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if (!mNeedsToTransformTouchEventToHoverEvent) {
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mMoreSuggestionsView.onTouchEvent(me);
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return true;
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}
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// In sliding suggestion mode with accessibility mode on, a touch event should be
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// transformed to a hover event.
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final int width = mMoreSuggestionsView.getWidth();
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final int height = mMoreSuggestionsView.getHeight();
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final boolean onMoreSuggestions = (x >= 0 && x < width && y >= 0 && y < height);
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if (!onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
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// Just drop this touch event because dispatching hover event isn't started yet and
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// the touch event isn't on {@link MoreSuggestionsView}.
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return true;
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}
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final int hoverAction;
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if (onMoreSuggestions && !mIsDispatchingHoverEventToMoreSuggestions) {
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// Transform this touch event to a hover enter event and start dispatching a hover
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// event to {@link MoreSuggestionsView}.
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|
mIsDispatchingHoverEventToMoreSuggestions = true;
|
|
hoverAction = MotionEvent.ACTION_HOVER_ENTER;
|
|
} else if (me.getActionMasked() == MotionEvent.ACTION_UP) {
|
|
// Transform this touch event to a hover exit event and stop dispatching a hover event
|
|
// after this.
|
|
mIsDispatchingHoverEventToMoreSuggestions = false;
|
|
mNeedsToTransformTouchEventToHoverEvent = false;
|
|
hoverAction = MotionEvent.ACTION_HOVER_EXIT;
|
|
} else {
|
|
// Transform this touch event to a hover move event.
|
|
hoverAction = MotionEvent.ACTION_HOVER_MOVE;
|
|
}
|
|
me.setAction(hoverAction);
|
|
mMoreSuggestionsView.onHoverEvent(me);
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public void onClick(final View view) {
|
|
AudioAndHapticFeedbackManager.getInstance().performHapticAndAudioFeedback(
|
|
Constants.CODE_UNSPECIFIED, this);
|
|
if (view == mImportantNoticeStrip) {
|
|
mListener.showImportantNoticeContents();
|
|
return;
|
|
}
|
|
if (view == mVoiceKey) {
|
|
mListener.onCodeInput(Constants.CODE_SHORTCUT,
|
|
Constants.SUGGESTION_STRIP_COORDINATE, Constants.SUGGESTION_STRIP_COORDINATE,
|
|
false /* isKeyRepeat */);
|
|
return;
|
|
}
|
|
final Object tag = view.getTag();
|
|
// {@link String} tag is set at {@link #suggestAddingToDictionary(String,CharSequence)}.
|
|
if (tag instanceof String) {
|
|
final String wordToSave = (String)tag;
|
|
mListener.addWordToUserDictionary(wordToSave);
|
|
clear();
|
|
return;
|
|
}
|
|
|
|
// {@link Integer} tag is set at
|
|
// {@link SuggestionStripLayoutHelper#setupWordViewsTextAndColor(SuggestedWords,int)} and
|
|
// {@link SuggestionStripLayoutHelper#layoutPunctuationSuggestions(SuggestedWords,ViewGroup}
|
|
if (tag instanceof Integer) {
|
|
final int index = (Integer) tag;
|
|
if (index >= mSuggestedWords.size()) {
|
|
return;
|
|
}
|
|
final SuggestedWordInfo wordInfo = mSuggestedWords.getInfo(index);
|
|
mListener.pickSuggestionManually(wordInfo);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected void onDetachedFromWindow() {
|
|
super.onDetachedFromWindow();
|
|
dismissMoreSuggestionsPanel();
|
|
}
|
|
|
|
@Override
|
|
protected void onSizeChanged(final int w, final int h, final int oldw, final int oldh) {
|
|
// Called by the framework when the size is known. Show the important notice if applicable.
|
|
// This may be overriden by showing suggestions later, if applicable.
|
|
if (oldw <= 0 && w > 0) {
|
|
maybeShowImportantNoticeTitle();
|
|
}
|
|
}
|
|
}
|