2b479cccae
This CL also tunes the width of suggestions strip to be able to display 15~16 letters without x-scaling at the center slot. Bug: 14419121 Change-Id: Ia5766cee043899533e24e2ebc621e8dc279370b3
454 lines
18 KiB
Java
454 lines
18 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.graphics.Color;
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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.widget.RelativeLayout;
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import android.widget.TextView;
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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.InputAttributes;
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import com.android.inputmethod.latin.LatinImeLogger;
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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.ProductionFlag;
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import com.android.inputmethod.latin.settings.Settings;
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import com.android.inputmethod.latin.suggestions.MoreSuggestions.MoreSuggestionsListener;
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import com.android.inputmethod.latin.utils.CollectionUtils;
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import com.android.inputmethod.latin.utils.ImportantNoticeUtils;
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import com.android.inputmethod.research.ResearchLogger;
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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(int index, SuggestedWordInfo word);
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}
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static final boolean DBG = LatinImeLogger.sDBG;
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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 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 = CollectionUtils.newArrayList();
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private final ArrayList<TextView> mDebugInfoViews = CollectionUtils.newArrayList();
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private final ArrayList<View> mDividerViews = CollectionUtils.newArrayList();
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Listener mListener;
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private SuggestedWords mSuggestedWords = SuggestedWords.EMPTY;
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private int mSuggestionsCountInStrip;
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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 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 suggestionsStrip, final View addToDictionaryStrip,
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final View importantNoticeStrip) {
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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(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 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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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(mSuggestionsStrip, mAddToDictionaryStrip,
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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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divider.setOnClickListener(this);
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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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}
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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 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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mSuggestionsCountInStrip = mLayoutHelper.layoutAndReturnSuggestionCountInStrip(
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mSuggestedWords, mSuggestionsStrip, this);
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if (ProductionFlag.USES_DEVELOPMENT_ONLY_DIAGNOSTICS) {
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ResearchLogger.suggestionStripView_setSuggestions(mSuggestedWords);
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}
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mStripVisibilityGroup.showSuggestionsStrip();
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}
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public int setMoreSuggestionsHeight(final int remainingHeight) {
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return 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) {
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mLayoutHelper.layoutAddToDictionaryHint(word, mAddToDictionaryStrip);
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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(final InputAttributes inputAttributes) {
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if (!ImportantNoticeUtils.shouldShowImportantNotice(getContext(), inputAttributes)) {
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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 int index, final SuggestedWordInfo wordInfo) {
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mListener.pickSuggestionManually(index, 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 (!layoutHelper.mMoreSuggestionsAvailable) {
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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, mSuggestionsCountInStrip, 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 < mSuggestionsCountInStrip; 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 #onLongClick(View)} and
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// {@link onInterceptTouchEvent(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 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 (!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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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 input 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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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.adjustVerticalCorrectionForModalMode();
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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 onTouchEvent(final MotionEvent me) {
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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 = (int)me.getX(index);
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final int y = (int)me.getY(index);
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me.setLocation(mMoreSuggestionsView.translateX(x), mMoreSuggestionsView.translateY(y));
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mMoreSuggestionsView.onTouchEvent(me);
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return true;
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}
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@Override
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public void onClick(final View view) {
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if (view == mImportantNoticeStrip) {
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mListener.showImportantNoticeContents();
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return;
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}
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final Object tag = view.getTag();
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// {@link String} tag is set at {@link #showAddToDictionaryHint(String,CharSequence)}.
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if (tag instanceof String) {
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final String wordToSave = (String)tag;
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mListener.addWordToUserDictionary(wordToSave);
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clear();
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return;
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}
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// {@link Integer} tag is set at
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// {@link SuggestionStripLayoutHelper#setupWordViewsTextAndColor(SuggestedWords,int)} and
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// {@link SuggestionStripLayoutHelper#layoutPunctuationSuggestions(SuggestedWords,ViewGroup}
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if (tag instanceof Integer) {
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final int index = (Integer) tag;
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if (index >= mSuggestedWords.size()) {
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return;
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}
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final SuggestedWordInfo wordInfo = mSuggestedWords.getInfo(index);
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mListener.pickSuggestionManually(index, wordInfo);
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}
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}
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@Override
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protected void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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dismissMoreSuggestionsPanel();
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}
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@Override
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protected void onSizeChanged(final int w, final int h, final int oldw, final int oldh) {
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// Called by the framework when the size is known. Show the important notice if applicable.
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// This may be overriden by showing suggestions later, if applicable.
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if (oldw <= 0 && w > 0) {
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maybeShowImportantNoticeTitle(Settings.getInstance().getCurrent().mInputAttributes);
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}
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}
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}
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