Move suggestions layout code into parameter class
Bug: 5023981 Change-Id: I30f45191524c38bfe550845b003e8972abd2ee49
This commit is contained in:
Tadashi G. Takaoka
parent
80ba224fff
commit
16713e5630
1 changed files with 202 additions and 155 deletions
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@ -76,8 +76,6 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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private final ArrayList<TextView> mInfos = new ArrayList<TextView>();
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private final ArrayList<View> mDividers = new ArrayList<View>();
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private final int mCandidateStripHeight;
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private final PopupWindow mPreviewPopup;
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private final TextView mPreviewText;
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@ -149,19 +147,113 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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public final int mDividerWidth;
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public final int mDividerHeight;
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public final int mControlWidth;
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public final int mCandidateStripHeight;
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protected CandidateViewParams(TextView word, View divider, View control) {
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protected final List<TextView> mWords;
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protected final List<View> mDividers;
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protected final List<TextView> mInfos;
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protected CandidateViewParams(List<TextView> words, List<View> dividers,
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List<TextView> infos, View control) {
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mWords = words;
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mDividers = dividers;
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mInfos = infos;
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final TextView word = words.get(0);
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final View divider = dividers.get(0);
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mPadding = word.getCompoundPaddingLeft() + word.getCompoundPaddingRight();
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divider.measure(WRAP_CONTENT, MATCH_PARENT);
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mDividerWidth = divider.getMeasuredWidth();
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mDividerHeight = divider.getMeasuredHeight();
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mControlWidth = control.getMeasuredWidth();
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final Resources res = word.getResources();
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mCandidateStripHeight = res.getDimensionPixelOffset(R.dimen.candidate_strip_height);
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}
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}
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private static class SuggestionsPaneParams extends CandidateViewParams {
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public SuggestionsPaneParams(List<TextView> words, List<View> dividers, View control) {
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super(words.get(0), dividers.get(0), control);
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public SuggestionsPaneParams(List<TextView> words, List<View> dividers,
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List<TextView> infos, View control) {
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super(words, dividers, infos, control);
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}
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public int layout(SuggestedWords suggestions, ViewGroup paneView, int from, int textColor,
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int paneWidth) {
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final int count = Math.min(mWords.size(), suggestions.size());
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View centeringFrom = null, lastView = null;
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int x = 0, y = 0;
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for (int index = from; index < count; index++) {
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final int pos = index;
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final TextView word = mWords.get(pos);
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final View divider = mDividers.get(pos);
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final TextPaint paint = word.getPaint();
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word.setTextColor(textColor);
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final CharSequence styled = suggestions.getWord(pos);
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final TextView info;
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if (DBG) {
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final CharSequence debugInfo = getDebugInfo(suggestions, index);
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if (debugInfo != null) {
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info = mInfos.get(index);
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info.setText(debugInfo);
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} else {
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info = null;
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}
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} else {
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info = null;
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}
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final CharSequence text;
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final float scaleX;
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paint.setTextScaleX(1.0f);
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final int textWidth = getTextWidth(styled, paint);
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int available = paneWidth - x - mPadding;
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if (textWidth >= available) {
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// Needs new row, centering previous row.
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centeringCandidates(paneView, centeringFrom, lastView, x, paneWidth);
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x = 0;
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y += mCandidateStripHeight;
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}
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if (x != 0) {
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// Add divider if this isn't the left most suggestion in current row.
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paneView.addView(divider);
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FrameLayoutCompatUtils.placeViewAt(divider, x, y
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+ (mCandidateStripHeight - mDividerHeight) / 2, mDividerWidth,
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mDividerHeight);
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x += mDividerWidth;
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}
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available = paneWidth - x - mPadding;
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text = getEllipsizedText(styled, available, paint);
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scaleX = paint.getTextScaleX();
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word.setText(text);
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word.setTextScaleX(scaleX);
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paneView.addView(word);
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lastView = word;
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if (x == 0)
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centeringFrom = word;
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word.measure(WRAP_CONTENT,
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MeasureSpec.makeMeasureSpec(mCandidateStripHeight, MeasureSpec.EXACTLY));
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final int width = word.getMeasuredWidth();
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final int height = word.getMeasuredHeight();
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FrameLayoutCompatUtils.placeViewAt(word, x, y + (mCandidateStripHeight - height)
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/ 2, width, height);
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x += width;
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if (info != null) {
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paneView.addView(info);
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lastView = info;
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info.measure(WRAP_CONTENT, WRAP_CONTENT);
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final int infoWidth = info.getMeasuredWidth();
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FrameLayoutCompatUtils.placeViewAt(info, x - infoWidth, y, infoWidth,
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info.getMeasuredHeight());
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}
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}
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if (x != 0) {
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// Centering last candidates row.
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centeringCandidates(paneView, centeringFrom, lastView, x, paneWidth);
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}
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return count - from;
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}
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}
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@ -182,25 +274,25 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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private static final int AUTO_CORRECT_UNDERLINE = 0x02;
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private static final int AUTO_CORRECT_INVERT = 0x04;
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public final TextPaint mPaint;
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private final TextPaint mPaint;
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private final int mAutoCorrectHighlight;
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private final ArrayList<CharSequence> mTexts = new ArrayList<CharSequence>();
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private SuggestedWords mSuggestedWords;
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public int mCountInStrip;
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private int mCountInStrip;
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// True if the mCountInStrip suggestions can fit in suggestion strip in equally divided
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// width without squeezing the text.
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public boolean mCanUseFixedWidthColumns;
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public int mMaxWidth;
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public int mAvailableWidthForWords;
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public int mConstantWidthForPaddings;
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public int mVariableWidthForWords;
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public float mScaleX;
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private boolean mCanUseFixedWidthColumns;
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private int mMaxWidth;
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private int mAvailableWidthForWords;
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private int mConstantWidthForPaddings;
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private int mVariableWidthForWords;
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private float mScaleX;
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public SuggestionsStripParams(Context context, AttributeSet attrs, int defStyle,
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List<TextView> words, List<View> dividers, View control) {
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super(words.get(0), dividers.get(0), control);
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List<TextView> words, List<View> dividers, List<TextView> infos, View control) {
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super(words, dividers, infos, control);
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final TypedArray a = context.obtainStyledAttributes(
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attrs, R.styleable.CandidateView, defStyle, R.style.CandidateViewStyle);
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mAutoCorrectHighlight = a.getInt(R.styleable.CandidateView_autoCorrectHighlight, 0);
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@ -220,24 +312,11 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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mPaint.setTextSize(textSize);
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}
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public CharSequence getWord(int pos) {
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return mTexts.get(pos);
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public int getTextColor() {
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return mColorTypedWord;
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}
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public CharSequence getDebugInfo(int pos) {
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if (DBG) {
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final SuggestedWordInfo wordInfo = mSuggestedWords.getInfo(pos);
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if (wordInfo != null) {
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final CharSequence debugInfo = wordInfo.getDebugString();
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if (!TextUtils.isEmpty(debugInfo)) {
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return debugInfo;
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}
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}
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}
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return null;
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}
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public CharSequence getStyledCandidateWord(CharSequence word, boolean isAutoCorrect) {
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private CharSequence getStyledCandidateWord(CharSequence word, boolean isAutoCorrect) {
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if (!isAutoCorrect)
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return word;
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final int len = word.length();
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@ -249,7 +328,7 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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return spannedWord;
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}
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public int getWordPosition(int index) {
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private int getWordPosition(int index) {
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if (index >= 2) {
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return index;
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}
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@ -258,7 +337,7 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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return willAutoCorrect ? 1 - index : index;
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}
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public int getCandidateTextColor(int pos) {
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private int getCandidateTextColor(int pos) {
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final SuggestedWords suggestions = mSuggestedWords;
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final boolean isAutoCorrect = suggestions.mHasMinimalSuggestion
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&& ((pos == 1 && !suggestions.mTypedWordValid)
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@ -300,7 +379,8 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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return word;
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}
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public void layoutStrip(SuggestedWords suggestions, int maxWidth) {
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public int layout(SuggestedWords suggestions, ViewGroup stripView, ViewGroup paneView,
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int stripWidth) {
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mSuggestedWords = suggestions;
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final int maxCount = suggestions.isPunctuationSuggestions()
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? PUNCTUATIONS_IN_STRIP : mCandidateCountInStrip;
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@ -308,7 +388,68 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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setupTexts(suggestions, size);
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mCountInStrip = Math.min(maxCount, size);
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mScaleX = 1.0f;
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calculateParameters(size, stripWidth);
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int infoX = 0;
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for (int index = 0; index < mCountInStrip; index++) {
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final int pos = getWordPosition(index);
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final TextView word = mWords.get(pos);
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final View divider = mDividers.get(pos);
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final TextPaint paint = word.getPaint();
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// TODO: Reorder candidates in strip as appropriate. The center candidate should
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// hold the word when space is typed (valid typed word or auto corrected word).
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word.setTextColor(getCandidateTextColor(pos));
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final CharSequence styled = mTexts.get(pos);
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final TextView info;
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if (DBG) {
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final CharSequence debugInfo = getDebugInfo(mSuggestedWords, index);
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if (debugInfo != null) {
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info = mInfos.get(index);
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info.setText(debugInfo);
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} else {
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info = null;
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}
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} else {
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info = null;
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}
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final CharSequence text;
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final float scaleX;
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if (index == 0 && mCountInStrip == 1) {
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text = getEllipsizedText(styled, mMaxWidth, paint);
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scaleX = paint.getTextScaleX();
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} else {
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text = styled;
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scaleX = mScaleX;
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}
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word.setText(text);
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word.setTextScaleX(scaleX);
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if (index != 0) {
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// Add divider if this isn't the left most suggestion in candidate strip.
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stripView.addView(divider);
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}
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stripView.addView(word);
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if (mCanUseFixedWidthColumns) {
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setLayoutWeight(word, 1.0f, mCandidateStripHeight);
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} else {
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final int width = getTextWidth(text, paint) + mPadding;
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setLayoutWeight(word, width, mCandidateStripHeight);
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}
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if (info != null) {
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paneView.addView(info);
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info.measure(WRAP_CONTENT, WRAP_CONTENT);
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final int width = info.getMeasuredWidth();
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final int y = info.getMeasuredHeight();
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FrameLayoutCompatUtils.placeViewAt(info, infoX, 0, width, y);
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infoX += width * 2;
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}
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}
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return mCountInStrip;
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}
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private void calculateParameters(int size, int maxWidth) {
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do {
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mMaxWidth = maxWidth;
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if (size > mCountInStrip) {
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@ -334,7 +475,7 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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} while (mCountInStrip > 1);
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}
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public void tryLayout() {
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private void tryLayout() {
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final int maxCount = mCountInStrip;
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final int dividers = mDividerWidth * (maxCount - 1);
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mConstantWidthForPaddings = dividers + mPadding * maxCount;
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@ -396,8 +537,7 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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setBackgroundDrawable(LinearLayoutCompatUtils.getBackgroundDrawable(
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context, attrs, defStyle, R.style.CandidateViewStyle));
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Resources res = context.getResources();
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LayoutInflater inflater = LayoutInflater.from(context);
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final LayoutInflater inflater = LayoutInflater.from(context);
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inflater.inflate(R.layout.candidates_strip, this);
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mPreviewPopup = new PopupWindow(context);
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@ -408,7 +548,6 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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mPreviewPopup.setBackgroundDrawable(null);
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mCandidatesStrip = (ViewGroup)findViewById(R.id.candidates_strip);
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mCandidateStripHeight = res.getDimensionPixelOffset(R.dimen.candidate_strip_height);
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for (int i = 0; i < MAX_SUGGESTIONS; i++) {
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final TextView word = (TextView)inflater.inflate(R.layout.candidate_word, null);
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word.setTag(i);
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@ -457,8 +596,9 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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mCandidatesPaneControl.measure(WRAP_CONTENT, WRAP_CONTENT);
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mStripParams = new SuggestionsStripParams(context, attrs, defStyle,
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mWords, mDividers, mCandidatesPaneControl);
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mPaneParams = new SuggestionsPaneParams(mWords, mDividers, mCandidatesPaneControl);
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mWords, mDividers, mInfos, mCandidatesPaneControl);
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mPaneParams = new SuggestionsPaneParams(
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mWords, mDividers, mInfos, mCandidatesPaneControl);
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}
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/**
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@ -490,128 +630,35 @@ public class CandidateView extends LinearLayout implements OnClickListener {
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private void updateSuggestions() {
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clear();
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closeCandidatesPane();
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final SuggestedWords suggestions = mSuggestions;
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if (suggestions.size() == 0)
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if (mSuggestions.size() == 0)
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return;
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final int paneWidth = getWidth();
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final SuggestionsStripParams stripParams = mStripParams;
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final SuggestionsPaneParams paneParams = mPaneParams;
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stripParams.layoutStrip(suggestions, paneWidth);
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final int width = getWidth();
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final int countInStrip = mStripParams.layout(
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mSuggestions, mCandidatesStrip, mCandidatesPane, width);
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final int countInPane = mPaneParams.layout(
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mSuggestions, mCandidatesPane, countInStrip, mStripParams.getTextColor(), width);
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final int count = Math.min(mWords.size(), suggestions.size());
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if (count <= stripParams.mCountInStrip && !DBG) {
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if (countInPane <= 0 && !DBG) {
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mCandidatesPaneControl.setVisibility(GONE);
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} else {
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mCandidatesPaneControl.setVisibility(VISIBLE);
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mExpandCandidatesPane.setVisibility(VISIBLE);
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mExpandCandidatesPane.setEnabled(true);
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}
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}
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final int countInStrip = stripParams.mCountInStrip;
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View centeringFrom = null, lastView = null;
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int x = 0, y = 0, infoX = 0;
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for (int index = 0; index < count; index++) {
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final int pos = stripParams.getWordPosition(index);
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final TextView word = mWords.get(pos);
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final View divider = mDividers.get(pos);
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final TextPaint paint = word.getPaint();
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// TODO: Reorder candidates in strip as appropriate. The center candidate should hold
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// the word when space is typed (valid typed word or auto corrected word).
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word.setTextColor(stripParams.getCandidateTextColor(pos));
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final CharSequence styled = stripParams.getWord(pos);
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final TextView info;
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if (DBG) {
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final CharSequence debugInfo = stripParams.getDebugInfo(index);
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if (debugInfo != null) {
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info = mInfos.get(index);
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info.setText(debugInfo);
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} else {
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info = null;
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}
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} else {
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info = null;
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}
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final CharSequence text;
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final float scaleX;
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if (index < countInStrip) {
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if (index == 0 && stripParams.mCountInStrip == 1) {
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text = getEllipsizedText(styled, stripParams.mMaxWidth, paint);
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scaleX = paint.getTextScaleX();
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} else {
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text = styled;
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scaleX = stripParams.mScaleX;
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}
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word.setText(text);
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word.setTextScaleX(scaleX);
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if (index != 0) {
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// Add divider if this isn't the left most suggestion in candidate strip.
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mCandidatesStrip.addView(divider);
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}
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mCandidatesStrip.addView(word);
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if (stripParams.mCanUseFixedWidthColumns) {
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setLayoutWeight(word, 1.0f, mCandidateStripHeight);
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} else {
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final int width = getTextWidth(text, paint) + stripParams.mPadding;
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setLayoutWeight(word, width, mCandidateStripHeight);
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}
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if (info != null) {
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mCandidatesPane.addView(info);
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info.measure(WRAP_CONTENT, WRAP_CONTENT);
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final int width = info.getMeasuredWidth();
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y = info.getMeasuredHeight();
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FrameLayoutCompatUtils.placeViewAt(info, infoX, 0, width, y);
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infoX += width * 2;
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}
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} else {
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paint.setTextScaleX(1.0f);
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final int textWidth = getTextWidth(styled, paint);
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int available = paneWidth - x - paneParams.mPadding;
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if (textWidth >= available) {
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// Needs new row, centering previous row.
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centeringCandidates(centeringFrom, lastView, x, paneWidth);
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x = 0;
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y += mCandidateStripHeight;
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}
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if (x != 0) {
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// Add divider if this isn't the left most suggestion in current row.
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mCandidatesPane.addView(divider);
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FrameLayoutCompatUtils.placeViewAt(
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divider, x, y + (mCandidateStripHeight - paneParams.mDividerHeight) / 2,
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paneParams.mDividerWidth, paneParams.mDividerHeight);
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x += paneParams.mDividerWidth;
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}
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available = paneWidth - x - paneParams.mPadding;
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text = getEllipsizedText(styled, available, paint);
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scaleX = paint.getTextScaleX();
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word.setText(text);
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word.setTextScaleX(scaleX);
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mCandidatesPane.addView(word);
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lastView = word;
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if (x == 0) centeringFrom = word;
|
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word.measure(WRAP_CONTENT,
|
||||
MeasureSpec.makeMeasureSpec(mCandidateStripHeight, MeasureSpec.EXACTLY));
|
||||
final int width = word.getMeasuredWidth();
|
||||
final int height = word.getMeasuredHeight();
|
||||
FrameLayoutCompatUtils.placeViewAt(
|
||||
word, x, y + (mCandidateStripHeight - height) / 2, width, height);
|
||||
x += width;
|
||||
if (info != null) {
|
||||
mCandidatesPane.addView(info);
|
||||
lastView = info;
|
||||
info.measure(WRAP_CONTENT, WRAP_CONTENT);
|
||||
final int infoWidth = info.getMeasuredWidth();
|
||||
FrameLayoutCompatUtils.placeViewAt(
|
||||
info, x - infoWidth, y, infoWidth, info.getMeasuredHeight());
|
||||
private static CharSequence getDebugInfo(SuggestedWords suggestions, int pos) {
|
||||
if (DBG) {
|
||||
final SuggestedWordInfo wordInfo = suggestions.getInfo(pos);
|
||||
if (wordInfo != null) {
|
||||
final CharSequence debugInfo = wordInfo.getDebugString();
|
||||
if (!TextUtils.isEmpty(debugInfo)) {
|
||||
return debugInfo;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (x != 0) {
|
||||
// Centering last candidates row.
|
||||
centeringCandidates(centeringFrom, lastView, x, paneWidth);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
private static void setLayoutWeight(View v, float weight, int height) {
|
||||
|
|
@ -624,13 +671,13 @@ public class CandidateView extends LinearLayout implements OnClickListener {
|
|||
}
|
||||
}
|
||||
|
||||
private void centeringCandidates(View from, View to, int width, int paneWidth) {
|
||||
final ViewGroup pane = mCandidatesPane;
|
||||
final int fromIndex = pane.indexOfChild(from);
|
||||
final int toIndex = pane.indexOfChild(to);
|
||||
final int offset = (paneWidth - width) / 2;
|
||||
private static void centeringCandidates(ViewGroup parent, View from, View to, int width,
|
||||
int parentWidth) {
|
||||
final int fromIndex = parent.indexOfChild(from);
|
||||
final int toIndex = parent.indexOfChild(to);
|
||||
final int offset = (parentWidth - width) / 2;
|
||||
for (int index = fromIndex; index <= toIndex; index++) {
|
||||
offsetMargin(pane.getChildAt(index), offset, 0);
|
||||
offsetMargin(parent.getChildAt(index), offset, 0);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue