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Fix issue #459 - Remove offset for compose view
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Thomas
parent
23cecbf3c4
commit
7500f1cd7b
1 changed files with 88 additions and 50 deletions
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@ -15,17 +15,19 @@ package app.fedilab.android.helper;
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* see <http://www.gnu.org/licenses>. */
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.graphics.Canvas;
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import android.graphics.DashPathEffect;
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import android.graphics.Paint;
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import android.graphics.Path;
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import android.graphics.Rect;
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import android.view.View;
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import androidx.annotation.NonNull;
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import androidx.core.content.res.ResourcesCompat;
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import androidx.preference.PreferenceManager;
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import androidx.recyclerview.widget.RecyclerView;
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import java.util.Arrays;
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import java.util.List;
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import app.fedilab.android.R;
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@ -36,86 +38,122 @@ public class DividerDecorationSimple extends RecyclerView.ItemDecoration {
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private final Context _mContext;
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private final List<Status> statusList;
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private final float fontScale;
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private final int indentationMax;
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private final List<Integer> colorList = Arrays.asList(
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R.color.decoration_1,
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R.color.decoration_2,
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R.color.decoration_3,
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R.color.decoration_4,
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R.color.decoration_5,
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R.color.decoration_6,
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R.color.decoration_7,
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R.color.decoration_8,
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R.color.decoration_9,
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R.color.decoration_10,
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R.color.decoration_11,
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R.color.decoration_12
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);
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public DividerDecorationSimple(Context context, List<Status> statuses) {
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_mContext = context;
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statusList = statuses;
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(_mContext);
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fontScale = prefs.getFloat(_mContext.getString(R.string.SET_FONT_SCALE), 1.1f);
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indentationMax = prefs.getInt(_mContext.getString(R.string.SET_MAX_INDENTATION), 5);
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}
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@Override
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public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
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int position = ((RecyclerView.LayoutParams) view.getLayoutParams()).getViewAdapterPosition();
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ComposeAdapter composeAdapter = ((ComposeAdapter) parent.getAdapter());
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if (composeAdapter != null && composeAdapter.getItemCount() > position && position >= 0) {
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if (composeAdapter != null && composeAdapter.getItemCount() > position && position > 0) {
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Status status = composeAdapter.getItem(position);
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if (status != null) {
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int start = (int) Helper.convertDpToPixel(
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4 * CommentDecorationHelper.getIndentation(status.in_reply_to_id, statusList, 15),
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_mContext);
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if (parent.getLayoutDirection() == View.LAYOUT_DIRECTION_LTR) {
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outRect.set(start, 0, 0, 0);
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} else {
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outRect.set(0, 0, start, 0);
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}
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int start = (int) Helper.convertDpToPixel(
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6 * fontScale * CommentDecorationHelper.getIndentation(status.in_reply_to_id, statusList, indentationMax),
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_mContext);
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if (status.id == null || status.id.startsWith("@fedilab_compose_")) {
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start = 0;
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}
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if (parent.getLayoutDirection() == View.LAYOUT_DIRECTION_LTR) {
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outRect.set(start, 0, 0, 0);
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} else {
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outRect.set(0, 0, start, 0);
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}
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}
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}
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@Override
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public void onDraw(@NonNull Canvas c, RecyclerView parent, @NonNull RecyclerView.State state) {
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int margin = (int) Helper.convertDpToPixel(12, _mContext);
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for (int i = 0; i < parent.getChildCount(); i++) {
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View view = parent.getChildAt(i);
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int position = parent.getChildAdapterPosition(view);
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ComposeAdapter composeAdapter = ((ComposeAdapter) parent.getAdapter());
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if (composeAdapter != null && composeAdapter.getItemCount() > position && position >= 0) {
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if (composeAdapter != null && position >= 0) {
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Status status = composeAdapter.getItem(position);
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if (status != null) {
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int indentation = CommentDecorationHelper.getIndentation(status.in_reply_to_id, statusList, 15);
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int indentation = Math.min(
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CommentDecorationHelper.getIndentation(status.in_reply_to_id, statusList, indentationMax),
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indentationMax);
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if (indentation > 0) {
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Paint paint = new Paint();
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paint.setDither(false);
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paint.setStyle(Paint.Style.STROKE);
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paint.setStrokeWidth(Helper.convertDpToPixel(2F, _mContext));
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paint.setStrokeCap(Paint.Cap.ROUND);
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paint.setStrokeJoin(Paint.Join.ROUND);
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paint.setColor(ResourcesCompat.getColor(_mContext.getResources(), R.color.cyanea_accent, _mContext.getTheme()));
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if (indentation == 15) {
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if (indentation > 0) {
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Paint paint = new Paint();
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paint.setDither(false);
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paint.setStrokeWidth(Helper.convertDpToPixel(1.5F, _mContext));
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paint.setStrokeCap(Paint.Cap.BUTT);
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paint.setStrokeJoin(Paint.Join.MITER);
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for (int j = 0; j < indentation; j++) {
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float startPx = Helper.convertDpToPixel(6 * fontScale + 6 * fontScale * j, _mContext);
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if (parent.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL)
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startPx = c.getWidth() - startPx;
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float bottomPx = view.getBottom();
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int color;
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if (j >= colorList.size()) {
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color = colorList.get(j - colorList.size());
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} else {
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color = colorList.get(j);
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}
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paint.setColor(ResourcesCompat.getColor(_mContext.getResources(), color, _mContext.getTheme()));
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if (j == indentationMax - 1) {
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paint.setPathEffect(new DashPathEffect(
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new float[]{Helper.convertDpToPixel(3, _mContext), Helper.convertDpToPixel(3, _mContext)},
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0));
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bottomPx = bottomPx - view.getHeight() / 2F;
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}
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float startDp = 12 + 4 * (indentation - 1);
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if (i > 0) startDp = startDp - 6;
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float endDp = startDp + 4;
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if (i > 0) endDp = endDp + 4;
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float startPx = Helper.convertDpToPixel(startDp, _mContext);
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if (parent.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
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startPx = c.getWidth() - startPx;
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}
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float topPx = view.getTop() - Helper.convertDpToPixel(12, _mContext);
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if (i > 0) {
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View aboveView = parent.getChildAt(i - 1);
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topPx = topPx - (aboveView.getHeight() / 2F);
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}
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float bottomPx = view.getBottom() - view.getHeight() / 2F;
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float endPx = Helper.convertDpToPixel(endDp, _mContext);
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Path path = new Path();
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path.moveTo(startPx, topPx);
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path.lineTo(startPx, bottomPx);
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path.lineTo(endPx, bottomPx);
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c.drawPath(path, paint);
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c.drawLine(startPx, view.getTop() - margin, startPx, bottomPx, paint);
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}
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int color;
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if (indentation - 1 >= colorList.size()) {
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color = colorList.get(indentation - 1 - colorList.size());
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} else {
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color = colorList.get(indentation - 1);
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}
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paint.setColor(ResourcesCompat.getColor(_mContext.getResources(), color, _mContext.getTheme()));
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float startDp = 6 * fontScale * (indentation - 1) + 6 * fontScale;
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float centerPx = view.getBottom() - view.getHeight() / 2F;
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float endDp = startDp + 12 * fontScale;
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float endPx = Helper.convertDpToPixel(endDp, _mContext);
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float startPx = Helper.convertDpToPixel(startDp, _mContext);
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if (parent.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
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startPx = c.getWidth() - startPx;
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endPx = c.getWidth() - endPx;
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}
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if (i > 0) {
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View aboveView = parent.getChildAt(i - 1);
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float aboveViewLineTopPx = (aboveView.getTop() + aboveView.getHeight() / 2F) + Helper.convertDpToPixel(0.75F, _mContext);
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float aboveViewLineBottomPx = parent.getChildAt(i - 1).getBottom();
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c.drawLine(startPx, aboveViewLineTopPx, startPx, aboveViewLineBottomPx, paint);
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}
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c.drawLine(startPx, centerPx, endPx, centerPx, paint);
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}
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}
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}
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