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Diffstat (limited to 'java/src/com/android/inputmethod/latin/CandidateView.java')
| -rw-r--r-- | java/src/com/android/inputmethod/latin/CandidateView.java | 819 |
1 files changed, 0 insertions, 819 deletions
diff --git a/java/src/com/android/inputmethod/latin/CandidateView.java b/java/src/com/android/inputmethod/latin/CandidateView.java deleted file mode 100644 index fe48f0bc1..000000000 --- a/java/src/com/android/inputmethod/latin/CandidateView.java +++ /dev/null @@ -1,819 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not - * use this file except in compliance with the License. You may obtain a copy of - * the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT - * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the - * License for the specific language governing permissions and limitations under - * the License. - */ - -package com.android.inputmethod.latin; - -import android.content.Context; -import android.content.res.Resources; -import android.content.res.TypedArray; -import android.graphics.Color; -import android.graphics.Typeface; -import android.graphics.drawable.Drawable; -import android.os.Message; -import android.os.SystemClock; -import android.text.Spannable; -import android.text.SpannableString; -import android.text.Spanned; -import android.text.TextPaint; -import android.text.TextUtils; -import android.text.style.BackgroundColorSpan; -import android.text.style.CharacterStyle; -import android.text.style.ForegroundColorSpan; -import android.text.style.StyleSpan; -import android.text.style.UnderlineSpan; -import android.util.AttributeSet; -import android.util.DisplayMetrics; -import android.view.Gravity; -import android.view.LayoutInflater; -import android.view.MotionEvent; -import android.view.View; -import android.view.View.OnClickListener; -import android.view.View.OnLongClickListener; -import android.view.ViewGroup; -import android.widget.LinearLayout; -import android.widget.PopupWindow; -import android.widget.TextView; - -import com.android.inputmethod.compat.FrameLayoutCompatUtils; -import com.android.inputmethod.compat.LinearLayoutCompatUtils; -import com.android.inputmethod.keyboard.KeyboardActionListener; -import com.android.inputmethod.keyboard.MoreKeysPanel; -import com.android.inputmethod.keyboard.PointerTracker; -import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo; - -import java.util.ArrayList; -import java.util.List; - -public class CandidateView extends LinearLayout implements OnClickListener, OnLongClickListener { - public interface Listener { - public boolean addWordToDictionary(String word); - public void pickSuggestionManually(int index, CharSequence word); - } - - // The maximum number of suggestions available. See {@link Suggest#mPrefMaxSuggestions}. - public static final int MAX_SUGGESTIONS = 18; - - private static final boolean DBG = LatinImeLogger.sDBG; - - private final ViewGroup mCandidatesPlacer; - private final ViewGroup mCandidatesStrip; - private View mKeyboardView; - - private final View mMoreSuggestionsContainer; - private final MoreSuggestionsView mMoreSuggestionsView; - private final MoreSuggestions.Builder mMoreSuggestionsBuilder; - private final PopupWindow mMoreSuggestionsWindow; - - private final ArrayList<TextView> mWords = new ArrayList<TextView>(); - private final ArrayList<TextView> mInfos = new ArrayList<TextView>(); - private final ArrayList<View> mDividers = new ArrayList<View>(); - - private final PopupWindow mPreviewPopup; - private final TextView mPreviewText; - - private Listener mListener; - private SuggestedWords mSuggestions = SuggestedWords.EMPTY; - private boolean mShowingAutoCorrectionInverted; - - private final SuggestionsStripParams mStripParams; - private static final float MIN_TEXT_XSCALE = 0.70f; - - private final UiHandler mHandler = new UiHandler(this); - - private static class UiHandler extends StaticInnerHandlerWrapper<CandidateView> { - private static final int MSG_HIDE_PREVIEW = 0; - private static final int MSG_UPDATE_SUGGESTION = 1; - - private static final long DELAY_HIDE_PREVIEW = 1300; - private static final long DELAY_UPDATE_SUGGESTION = 300; - - public UiHandler(CandidateView outerInstance) { - super(outerInstance); - } - - @Override - public void dispatchMessage(Message msg) { - final CandidateView candidateView = getOuterInstance(); - switch (msg.what) { - case MSG_HIDE_PREVIEW: - candidateView.hidePreview(); - break; - case MSG_UPDATE_SUGGESTION: - candidateView.updateSuggestions(); - break; - } - } - - public void postHidePreview() { - cancelHidePreview(); - sendMessageDelayed(obtainMessage(MSG_HIDE_PREVIEW), DELAY_HIDE_PREVIEW); - } - - public void cancelHidePreview() { - removeMessages(MSG_HIDE_PREVIEW); - } - - public void postUpdateSuggestions() { - cancelUpdateSuggestions(); - sendMessageDelayed(obtainMessage(MSG_UPDATE_SUGGESTION), - DELAY_UPDATE_SUGGESTION); - } - - public void cancelUpdateSuggestions() { - removeMessages(MSG_UPDATE_SUGGESTION); - } - - public void cancelAllMessages() { - cancelHidePreview(); - cancelUpdateSuggestions(); - } - } - - private static class CandidateViewParams { - public final int mPadding; - public final int mDividerWidth; - public final int mCandidateStripHeight; - - protected final List<TextView> mWords; - protected final List<View> mDividers; - protected final List<TextView> mInfos; - - protected CandidateViewParams(List<TextView> words, List<View> dividers, - List<TextView> infos) { - mWords = words; - mDividers = dividers; - mInfos = infos; - - final TextView word = words.get(0); - final View divider = dividers.get(0); - mPadding = word.getCompoundPaddingLeft() + word.getCompoundPaddingRight(); - divider.measure( - ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT); - mDividerWidth = divider.getMeasuredWidth(); - - final Resources res = word.getResources(); - mCandidateStripHeight = res.getDimensionPixelSize(R.dimen.candidate_strip_height); - } - } - - private static class SuggestionsStripParams extends CandidateViewParams { - private static final int DEFAULT_CANDIDATE_COUNT_IN_STRIP = 3; - private static final int DEFAULT_CENTER_CANDIDATE_PERCENTILE = 40; - private static final int PUNCTUATIONS_IN_STRIP = 6; - - private final int mColorTypedWord; - private final int mColorAutoCorrect; - private final int mColorSuggestedCandidate; - public final int mCandidateCountInStrip; - private final float mCenterCandidateWeight; - private final int mCenterCandidateIndex; - private final Drawable mMoreCandidateHint; - - private static final CharacterStyle BOLD_SPAN = new StyleSpan(Typeface.BOLD); - private static final CharacterStyle UNDERLINE_SPAN = new UnderlineSpan(); - private final CharacterStyle mInvertedForegroundColorSpan; - private final CharacterStyle mInvertedBackgroundColorSpan; - private static final int AUTO_CORRECT_BOLD = 0x01; - private static final int AUTO_CORRECT_UNDERLINE = 0x02; - private static final int AUTO_CORRECT_INVERT = 0x04; - private static final int VALID_TYPED_WORD_BOLD = 0x08; - - private final int mSuggestionStripOption; - - private final ArrayList<CharSequence> mTexts = new ArrayList<CharSequence>(); - - public boolean mMoreSuggestionsAvailable; - - public final TextView mWordToSaveView; - private final TextView mHintToSaveView; - private final CharSequence mHintToSaveText; - - public SuggestionsStripParams(Context context, AttributeSet attrs, int defStyle, - List<TextView> words, List<View> dividers, List<TextView> infos) { - super(words, dividers, infos); - final TypedArray a = context.obtainStyledAttributes( - attrs, R.styleable.CandidateView, defStyle, R.style.CandidateViewStyle); - mSuggestionStripOption = a.getInt(R.styleable.CandidateView_suggestionStripOption, 0); - mColorTypedWord = a.getColor(R.styleable.CandidateView_colorTypedWord, 0); - mColorAutoCorrect = a.getColor(R.styleable.CandidateView_colorAutoCorrect, 0); - mColorSuggestedCandidate = a.getColor(R.styleable.CandidateView_colorSuggested, 0); - mCandidateCountInStrip = a.getInt( - R.styleable.CandidateView_candidateCountInStrip, - DEFAULT_CANDIDATE_COUNT_IN_STRIP); - mCenterCandidateWeight = a.getInt( - R.styleable.CandidateView_centerCandidatePercentile, - DEFAULT_CENTER_CANDIDATE_PERCENTILE) / 100.0f; - a.recycle(); - - mCenterCandidateIndex = mCandidateCountInStrip / 2; - final Resources res = context.getResources(); - mMoreCandidateHint = res.getDrawable(R.drawable.more_suggestions_hint); - - mInvertedForegroundColorSpan = new ForegroundColorSpan(mColorTypedWord ^ 0x00ffffff); - mInvertedBackgroundColorSpan = new BackgroundColorSpan(mColorTypedWord); - - final LayoutInflater inflater = LayoutInflater.from(context); - mWordToSaveView = (TextView)inflater.inflate(R.layout.candidate_word, null); - mHintToSaveView = (TextView)inflater.inflate(R.layout.candidate_word, null); - mHintToSaveText = context.getText(R.string.hint_add_to_dictionary); - } - - private CharSequence getStyledCandidateWord(SuggestedWords suggestions, int pos) { - final CharSequence word = suggestions.getWord(pos); - final boolean isAutoCorrect = pos == 1 && willAutoCorrect(suggestions); - final boolean isTypedWordValid = pos == 0 && suggestions.mTypedWordValid; - if (!isAutoCorrect && !isTypedWordValid) - return word; - - final int len = word.length(); - final Spannable spannedWord = new SpannableString(word); - final int option = mSuggestionStripOption; - if ((isAutoCorrect && (option & AUTO_CORRECT_BOLD) != 0) - || (isTypedWordValid && (option & VALID_TYPED_WORD_BOLD) != 0)) { - spannedWord.setSpan(BOLD_SPAN, 0, len, Spanned.SPAN_INCLUSIVE_EXCLUSIVE); - } - if (isAutoCorrect && (option & AUTO_CORRECT_UNDERLINE) != 0) { - spannedWord.setSpan(UNDERLINE_SPAN, 0, len, Spanned.SPAN_INCLUSIVE_EXCLUSIVE); - } - return spannedWord; - } - - private static boolean willAutoCorrect(SuggestedWords suggestions) { - return !suggestions.mTypedWordValid && suggestions.mHasMinimalSuggestion; - } - - private int getWordPosition(int index, SuggestedWords suggestions) { - // TODO: This works for 3 suggestions. Revisit this algorithm when there are 5 or more - // suggestions. - final int centerPos = willAutoCorrect(suggestions) ? 1 : 0; - if (index == mCenterCandidateIndex) { - return centerPos; - } else if (index == centerPos) { - return mCenterCandidateIndex; - } else { - return index; - } - } - - private int getCandidateTextColor(int index, SuggestedWords suggestions, int pos) { - // TODO: Need to revisit this logic with bigram suggestions - final boolean isSuggestedCandidate = (pos != 0); - - final int color; - if (index == mCenterCandidateIndex && willAutoCorrect(suggestions)) { - color = mColorAutoCorrect; - } else if (isSuggestedCandidate) { - color = mColorSuggestedCandidate; - } else { - color = mColorTypedWord; - } - - final SuggestedWordInfo info = (pos < suggestions.size()) - ? suggestions.getInfo(pos) : null; - if (info != null && info.isObsoleteSuggestedWord()) { - return applyAlpha(color, 0.5f); - } else { - return color; - } - } - - private static int applyAlpha(final int color, final float alpha) { - final int newAlpha = (int)(Color.alpha(color) * alpha); - return Color.argb(newAlpha, Color.red(color), Color.green(color), Color.blue(color)); - } - - public CharSequence getInvertedText(CharSequence text) { - if ((mSuggestionStripOption & AUTO_CORRECT_INVERT) == 0) - return null; - final int len = text.length(); - final Spannable word = new SpannableString(text); - word.setSpan(mInvertedBackgroundColorSpan, 0, len, Spanned.SPAN_INCLUSIVE_EXCLUSIVE); - word.setSpan(mInvertedForegroundColorSpan, 0, len, Spanned.SPAN_INCLUSIVE_EXCLUSIVE); - return word; - } - - public void layout(SuggestedWords suggestions, ViewGroup stripView, ViewGroup placer, - int stripWidth) { - if (suggestions.isPunctuationSuggestions()) { - layoutPunctuationSuggestions(suggestions, stripView); - return; - } - - final int countInStrip = mCandidateCountInStrip; - setupTexts(suggestions, countInStrip); - mMoreSuggestionsAvailable = (suggestions.size() > countInStrip); - int x = 0; - for (int index = 0; index < countInStrip; index++) { - final int pos = getWordPosition(index, suggestions); - - if (index != 0) { - final View divider = mDividers.get(pos); - // Add divider if this isn't the left most suggestion in candidate strip. - stripView.addView(divider); - x += divider.getMeasuredWidth(); - } - - final CharSequence styled = mTexts.get(pos); - final TextView word = mWords.get(pos); - if (index == mCenterCandidateIndex && mMoreSuggestionsAvailable) { - // TODO: This "more suggestions hint" should have nicely designed icon. - word.setCompoundDrawablesWithIntrinsicBounds( - null, null, null, mMoreCandidateHint); - // HACK: To align with other TextView that has no compound drawables. - word.setCompoundDrawablePadding(-mMoreCandidateHint.getIntrinsicHeight()); - } else { - word.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null); - } - - // Disable this candidate if the suggestion is null or empty. - word.setEnabled(!TextUtils.isEmpty(styled)); - word.setTextColor(getCandidateTextColor(index, suggestions, pos)); - final int width = getCandidateWidth(index, stripWidth); - final CharSequence text = getEllipsizedText(styled, width, word.getPaint()); - final float scaleX = word.getTextScaleX(); - word.setText(text); // TextView.setText() resets text scale x to 1.0. - word.setTextScaleX(scaleX); - stripView.addView(word); - setLayoutWeight( - word, getCandidateWeight(index), ViewGroup.LayoutParams.MATCH_PARENT); - x += word.getMeasuredWidth(); - - if (DBG) { - final CharSequence debugInfo = getDebugInfo(suggestions, pos); - if (debugInfo != null) { - final TextView info = mInfos.get(pos); - info.setText(debugInfo); - placer.addView(info); - info.measure(ViewGroup.LayoutParams.WRAP_CONTENT, - ViewGroup.LayoutParams.WRAP_CONTENT); - final int infoWidth = info.getMeasuredWidth(); - final int y = info.getMeasuredHeight(); - FrameLayoutCompatUtils.placeViewAt( - info, x - infoWidth, y, infoWidth, info.getMeasuredHeight()); - } - } - } - } - - private int getCandidateWidth(int index, int maxWidth) { - final int paddings = mPadding * mCandidateCountInStrip; - final int dividers = mDividerWidth * (mCandidateCountInStrip - 1); - final int availableWidth = maxWidth - paddings - dividers; - return (int)(availableWidth * getCandidateWeight(index)); - } - - private float getCandidateWeight(int index) { - if (index == mCenterCandidateIndex) { - return mCenterCandidateWeight; - } else { - // TODO: Revisit this for cases of 5 or more suggestions - return (1.0f - mCenterCandidateWeight) / (mCandidateCountInStrip - 1); - } - } - - private void setupTexts(SuggestedWords suggestions, int countInStrip) { - mTexts.clear(); - final int count = Math.min(suggestions.size(), countInStrip); - for (int pos = 0; pos < count; pos++) { - final CharSequence styled = getStyledCandidateWord(suggestions, pos); - mTexts.add(styled); - } - for (int pos = count; pos < countInStrip; pos++) { - // Make this inactive for touches in layout(). - mTexts.add(null); - } - } - - private void layoutPunctuationSuggestions(SuggestedWords suggestions, ViewGroup stripView) { - final int countInStrip = Math.min(suggestions.size(), PUNCTUATIONS_IN_STRIP); - for (int index = 0; index < countInStrip; index++) { - if (index != 0) { - // Add divider if this isn't the left most suggestion in candidate strip. - stripView.addView(mDividers.get(index)); - } - - final TextView word = mWords.get(index); - word.setEnabled(true); - word.setTextColor(mColorTypedWord); - final CharSequence text = suggestions.getWord(index); - word.setText(text); - word.setTextScaleX(1.0f); - word.setCompoundDrawables(null, null, null, null); - stripView.addView(word); - setLayoutWeight(word, 1.0f, mCandidateStripHeight); - } - mMoreSuggestionsAvailable = false; - } - - public void layoutAddToDictionaryHint(CharSequence word, ViewGroup stripView, - int stripWidth) { - final int width = stripWidth - mDividerWidth - mPadding * 2; - - final TextView wordView = mWordToSaveView; - wordView.setTextColor(mColorTypedWord); - final int wordWidth = (int)(width * mCenterCandidateWeight); - final CharSequence text = getEllipsizedText(word, wordWidth, wordView.getPaint()); - final float wordScaleX = wordView.getTextScaleX(); - wordView.setTag(word); - wordView.setText(text); - wordView.setTextScaleX(wordScaleX); - stripView.addView(wordView); - setLayoutWeight(wordView, mCenterCandidateWeight, ViewGroup.LayoutParams.MATCH_PARENT); - - stripView.addView(mDividers.get(0)); - - final TextView hintView = mHintToSaveView; - hintView.setTextColor(mColorAutoCorrect); - final int hintWidth = width - wordWidth; - final float hintScaleX = getTextScaleX(mHintToSaveText, hintWidth, hintView.getPaint()); - hintView.setText(mHintToSaveText); - hintView.setTextScaleX(hintScaleX); - stripView.addView(hintView); - setLayoutWeight( - hintView, 1.0f - mCenterCandidateWeight, ViewGroup.LayoutParams.MATCH_PARENT); - } - } - - /** - * Construct a CandidateView for showing suggested words for completion. - * @param context - * @param attrs - */ - public CandidateView(Context context, AttributeSet attrs) { - this(context, attrs, R.attr.candidateViewStyle); - } - - public CandidateView(Context context, AttributeSet attrs, int defStyle) { - // Note: Up to version 10 (Gingerbread) of the API, LinearLayout doesn't have 3-argument - // constructor. - // TODO: Call 3-argument constructor, super(context, attrs, defStyle), when we abandon - // backward compatibility with the version 10 or earlier of the API. - super(context, attrs); - if (defStyle != R.attr.candidateViewStyle) { - throw new IllegalArgumentException( - "can't accept defStyle other than R.attr.candidateViewStyle: defStyle=" - + defStyle); - } - setBackgroundDrawable(LinearLayoutCompatUtils.getBackgroundDrawable( - context, attrs, defStyle, R.style.CandidateViewStyle)); - - final LayoutInflater inflater = LayoutInflater.from(context); - inflater.inflate(R.layout.candidates_strip, this); - - mPreviewPopup = new PopupWindow(context); - mPreviewText = (TextView) inflater.inflate(R.layout.candidate_preview, null); - mPreviewPopup.setWindowLayoutMode( - ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); - mPreviewPopup.setContentView(mPreviewText); - mPreviewPopup.setBackgroundDrawable(null); - - mCandidatesPlacer = (ViewGroup)findViewById(R.id.candidates_placer); - mCandidatesStrip = (ViewGroup)findViewById(R.id.candidates_strip); - for (int pos = 0; pos < MAX_SUGGESTIONS; pos++) { - final TextView word = (TextView)inflater.inflate(R.layout.candidate_word, null); - word.setTag(pos); - word.setOnClickListener(this); - word.setOnLongClickListener(this); - mWords.add(word); - final View divider = inflater.inflate(R.layout.candidate_divider, null); - divider.setTag(pos); - divider.setOnClickListener(this); - mDividers.add(divider); - mInfos.add((TextView)inflater.inflate(R.layout.candidate_info, null)); - } - - mStripParams = new SuggestionsStripParams(context, attrs, defStyle, mWords, mDividers, - mInfos); - mStripParams.mWordToSaveView.setOnClickListener(this); - - mMoreSuggestionsContainer = inflater.inflate(R.layout.more_suggestions, null); - mMoreSuggestionsView = (MoreSuggestionsView)mMoreSuggestionsContainer - .findViewById(R.id.more_suggestions_view); - mMoreSuggestionsBuilder = new MoreSuggestions.Builder(mMoreSuggestionsView); - mMoreSuggestionsWindow = new PopupWindow(context); - mMoreSuggestionsWindow.setWindowLayoutMode( - ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); - mMoreSuggestionsWindow.setBackgroundDrawable(null); - } - - /** - * A connection back to the input method. - * @param listener - */ - public void setListener(Listener listener, View inputView) { - mListener = listener; - mKeyboardView = inputView.findViewById(R.id.keyboard_view); - } - - public void setSuggestions(SuggestedWords suggestions) { - if (suggestions == null) - return; - mSuggestions = suggestions; - if (mShowingAutoCorrectionInverted) { - mHandler.postUpdateSuggestions(); - } else { - updateSuggestions(); - } - } - - private void updateSuggestions() { - clear(); - if (mSuggestions.size() == 0) - return; - - mStripParams.layout(mSuggestions, mCandidatesStrip, mCandidatesPlacer, getWidth()); - } - - private static CharSequence getDebugInfo(SuggestedWords suggestions, int pos) { - if (DBG && pos < suggestions.size()) { - final SuggestedWordInfo wordInfo = suggestions.getInfo(pos); - if (wordInfo != null) { - final CharSequence debugInfo = wordInfo.getDebugString(); - if (!TextUtils.isEmpty(debugInfo)) { - return debugInfo; - } - } - } - return null; - } - - private static void setLayoutWeight(View v, float weight, int height) { - final ViewGroup.LayoutParams lp = v.getLayoutParams(); - if (lp instanceof LinearLayout.LayoutParams) { - final LinearLayout.LayoutParams llp = (LinearLayout.LayoutParams)lp; - llp.weight = weight; - llp.width = 0; - llp.height = height; - } - } - - private static float getTextScaleX(CharSequence text, int maxWidth, TextPaint paint) { - paint.setTextScaleX(1.0f); - final int width = getTextWidth(text, paint); - if (width <= maxWidth) { - return 1.0f; - } - return maxWidth / (float)width; - } - - private static CharSequence getEllipsizedText(CharSequence text, int maxWidth, - TextPaint paint) { - if (text == null) return null; - paint.setTextScaleX(1.0f); - final int width = getTextWidth(text, paint); - if (width <= maxWidth) { - return text; - } - final float scaleX = maxWidth / (float)width; - if (scaleX >= MIN_TEXT_XSCALE) { - paint.setTextScaleX(scaleX); - return text; - } - - // Note that TextUtils.ellipsize() use text-x-scale as 1.0 if ellipsize is needed. To get - // squeezed and ellipsized text, passes enlarged width (maxWidth / MIN_TEXT_XSCALE). - final CharSequence ellipsized = TextUtils.ellipsize( - text, paint, maxWidth / MIN_TEXT_XSCALE, TextUtils.TruncateAt.MIDDLE); - paint.setTextScaleX(MIN_TEXT_XSCALE); - return ellipsized; - } - - private static int getTextWidth(CharSequence text, TextPaint paint) { - if (TextUtils.isEmpty(text)) return 0; - final Typeface savedTypeface = paint.getTypeface(); - paint.setTypeface(getTextTypeface(text)); - final int len = text.length(); - final float[] widths = new float[len]; - final int count = paint.getTextWidths(text, 0, len, widths); - int width = 0; - for (int i = 0; i < count; i++) { - width += Math.round(widths[i] + 0.5f); - } - paint.setTypeface(savedTypeface); - return width; - } - - private static Typeface getTextTypeface(CharSequence text) { - if (!(text instanceof SpannableString)) - return Typeface.DEFAULT; - - final SpannableString ss = (SpannableString)text; - final StyleSpan[] styles = ss.getSpans(0, text.length(), StyleSpan.class); - if (styles.length == 0) - return Typeface.DEFAULT; - - switch (styles[0].getStyle()) { - case Typeface.BOLD: return Typeface.DEFAULT_BOLD; - // TODO: BOLD_ITALIC, ITALIC case? - default: return Typeface.DEFAULT; - } - } - - public void onAutoCorrectionInverted(CharSequence autoCorrectedWord) { - final CharSequence inverted = mStripParams.getInvertedText(autoCorrectedWord); - if (inverted == null) - return; - final TextView tv = mWords.get(1); - tv.setText(inverted); - mShowingAutoCorrectionInverted = true; - } - - public boolean isShowingAddToDictionaryHint() { - return mCandidatesStrip.getChildCount() > 0 - && mCandidatesStrip.getChildAt(0) == mStripParams.mWordToSaveView; - } - - public void showAddToDictionaryHint(CharSequence word) { - clear(); - mStripParams.layoutAddToDictionaryHint(word, mCandidatesStrip, getWidth()); - } - - public boolean dismissAddToDictionaryHint() { - if (isShowingAddToDictionaryHint()) { - clear(); - return true; - } - return false; - } - - public SuggestedWords getSuggestions() { - return mSuggestions; - } - - public void clear() { - mShowingAutoCorrectionInverted = false; - mCandidatesPlacer.removeAllViews(); - mCandidatesPlacer.addView(mCandidatesStrip); - mCandidatesStrip.removeAllViews(); - mMoreSuggestionsWindow.dismiss(); - } - - private void hidePreview() { - mPreviewPopup.dismiss(); - } - - private void showPreview(View view, CharSequence word) { - if (TextUtils.isEmpty(word)) - return; - - final TextView previewText = mPreviewText; - previewText.setTextColor(mStripParams.mColorTypedWord); - previewText.setText(word); - previewText.measure( - ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); - final int[] offsetInWindow = new int[2]; - view.getLocationInWindow(offsetInWindow); - final int posX = offsetInWindow[0]; - final int posY = offsetInWindow[1] - previewText.getMeasuredHeight(); - final PopupWindow previewPopup = mPreviewPopup; - if (previewPopup.isShowing()) { - previewPopup.update(posX, posY, previewPopup.getWidth(), previewPopup.getHeight()); - } else { - previewPopup.showAtLocation(this, Gravity.NO_GRAVITY, posX, posY); - } - previewText.setVisibility(VISIBLE); - mHandler.postHidePreview(); - } - - private void addToDictionary(CharSequence word) { - if (mListener.addWordToDictionary(word.toString())) { - final CharSequence message = getContext().getString(R.string.added_word, word); - showPreview(mStripParams.mWordToSaveView, message); - } - } - - private final KeyboardActionListener mMoreSuggestionsListener = - new KeyboardActionListener.Adapter() { - @Override - public boolean onCustomRequest(int requestCode) { - final int index = requestCode; - final CharSequence word = mSuggestions.getWord(index); - mListener.pickSuggestionManually(index, word); - mMoreSuggestionsView.dismissMoreKeysPanel(); - return true; - } - - @Override - public void onCancelInput() { - mMoreSuggestionsView.dismissMoreKeysPanel(); - } - }; - - private final MoreKeysPanel.Controller mMoreSuggestionsController = - new MoreKeysPanel.Controller() { - @Override - public boolean dismissMoreKeysPanel() { - if (mMoreSuggestionsWindow.isShowing()) { - mMoreSuggestionsWindow.dismiss(); - return true; - } - return false; - } - }; - - @Override - public boolean onLongClick(View view) { - final SuggestionsStripParams params = mStripParams; - if (params.mMoreSuggestionsAvailable) { - final int stripWidth = getWidth(); - final View container = mMoreSuggestionsContainer; - final int maxWidth = stripWidth - container.getPaddingLeft() - - container.getPaddingRight(); - final DisplayMetrics dm = getContext().getResources().getDisplayMetrics(); - // TODO: Revise how we determine the height - final int maxHeight = dm.heightPixels - mKeyboardView.getHeight() - getHeight() * 3; - final MoreSuggestions.Builder builder = mMoreSuggestionsBuilder; - builder.layout(mSuggestions, params.mCandidateCountInStrip, maxWidth, maxHeight); - mMoreSuggestionsView.setKeyboard(builder.build()); - container.measure( - ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); - - final MoreKeysPanel moreKeysPanel = mMoreSuggestionsView; - final int pointX = stripWidth / 2; - final int pointY = 0; - moreKeysPanel.showMoreKeysPanel( - this, mMoreSuggestionsController, pointX, pointY, - mMoreSuggestionsWindow, mMoreSuggestionsListener); - // TODO: Should figure out how to select the pointer tracker correctly. - final PointerTracker tracker = PointerTracker.getPointerTracker(0, moreKeysPanel); - final int translatedX = moreKeysPanel.translateX(tracker.getLastX()); - final int translatedY = moreKeysPanel.translateY(tracker.getLastY()); - tracker.onShowMoreKeysPanel( - translatedX, translatedY, SystemClock.uptimeMillis(), moreKeysPanel); - view.setPressed(false); - // TODO: Should gray out the keyboard here as well? - return true; - } - return false; - } - - @Override - public boolean dispatchTouchEvent(MotionEvent me) { - if (!mMoreSuggestionsWindow.isShowing()) { - return super.dispatchTouchEvent(me); - } - final int action = me.getAction(); - final long eventTime = me.getEventTime(); - final int index = me.getActionIndex(); - final int id = me.getPointerId(index); - final PointerTracker tracker = PointerTracker.getPointerTracker(id, mMoreSuggestionsView); - final int x = mMoreSuggestionsView.translateX((int)me.getX(index)); - final int y = mMoreSuggestionsView.translateY((int)me.getY(index)); - switch (action) { - case MotionEvent.ACTION_DOWN: - case MotionEvent.ACTION_POINTER_DOWN: - tracker.onDownEvent(x, y, eventTime, mMoreSuggestionsView); - break; - case MotionEvent.ACTION_UP: - case MotionEvent.ACTION_POINTER_UP: - tracker.onUpEvent(x, y, eventTime); - break; - case MotionEvent.ACTION_MOVE: - tracker.onMoveEvent(x, y, eventTime); - break; - case MotionEvent.ACTION_CANCEL: - tracker.onCancelEvent(x, y, eventTime); - break; - } - return true; - } - - @Override - public void onClick(View view) { - if (view == mStripParams.mWordToSaveView) { - addToDictionary((CharSequence)view.getTag()); - clear(); - return; - } - - final Object tag = view.getTag(); - if (!(tag instanceof Integer)) - return; - final int index = (Integer) tag; - if (index >= mSuggestions.size()) - return; - - final CharSequence word = mSuggestions.getWord(index); - mListener.pickSuggestionManually(index, word); - } - - @Override - public void onDetachedFromWindow() { - super.onDetachedFromWindow(); - mHandler.cancelAllMessages(); - hidePreview(); - } -} |