mirror of https://github.com/TeamNewPipe/NewPipe
278 lines
11 KiB
Java
278 lines
11 KiB
Java
package org.schabi.newpipe.info_list.holder;
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import static android.text.TextUtils.isEmpty;
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import static org.schabi.newpipe.util.ServiceHelper.getServiceById;
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import android.graphics.Paint;
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import android.text.Layout;
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import android.text.method.LinkMovementMethod;
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import android.text.style.URLSpan;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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import androidx.annotation.Nullable;
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import androidx.core.text.HtmlCompat;
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import androidx.fragment.app.FragmentActivity;
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import org.schabi.newpipe.R;
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import org.schabi.newpipe.extractor.InfoItem;
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import org.schabi.newpipe.extractor.StreamingService;
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import org.schabi.newpipe.extractor.comments.CommentsInfo;
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import org.schabi.newpipe.extractor.comments.CommentsInfoItem;
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import org.schabi.newpipe.extractor.stream.Description;
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import org.schabi.newpipe.info_list.InfoItemBuilder;
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import org.schabi.newpipe.local.history.HistoryRecordManager;
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import org.schabi.newpipe.util.DeviceUtils;
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import org.schabi.newpipe.util.Localization;
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import org.schabi.newpipe.util.NavigationHelper;
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import org.schabi.newpipe.util.image.ImageStrategy;
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import org.schabi.newpipe.util.image.PicassoHelper;
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import org.schabi.newpipe.util.external_communication.ShareUtils;
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import org.schabi.newpipe.util.text.CommentTextOnTouchListener;
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import org.schabi.newpipe.util.text.TextLinkifier;
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import java.util.function.Consumer;
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import io.reactivex.rxjava3.disposables.CompositeDisposable;
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public class CommentInfoItemHolder extends InfoItemHolder {
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private static final String ELLIPSIS = "…";
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private static final int COMMENT_DEFAULT_LINES = 2;
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private static final int COMMENT_EXPANDED_LINES = 1000;
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private final int commentHorizontalPadding;
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private final int commentVerticalPadding;
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private final Paint paintAtContentSize;
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private final float ellipsisWidthPx;
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private final RelativeLayout itemRoot;
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private final ImageView itemThumbnailView;
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private final TextView itemContentView;
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private final ImageView itemThumbsUpView;
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private final TextView itemLikesCountView;
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private final TextView itemTitleView;
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private final ImageView itemHeartView;
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private final ImageView itemPinnedView;
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private final Button repliesButton;
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private final CompositeDisposable disposables = new CompositeDisposable();
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@Nullable
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private Description commentText;
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@Nullable
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private StreamingService streamService;
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@Nullable
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private String streamUrl;
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public CommentInfoItemHolder(final InfoItemBuilder infoItemBuilder,
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final ViewGroup parent) {
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super(infoItemBuilder, R.layout.list_comment_item, parent);
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itemRoot = itemView.findViewById(R.id.itemRoot);
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itemThumbnailView = itemView.findViewById(R.id.itemThumbnailView);
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itemContentView = itemView.findViewById(R.id.itemCommentContentView);
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itemThumbsUpView = itemView.findViewById(R.id.detail_thumbs_up_img_view);
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itemLikesCountView = itemView.findViewById(R.id.detail_thumbs_up_count_view);
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itemTitleView = itemView.findViewById(R.id.itemTitleView);
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itemHeartView = itemView.findViewById(R.id.detail_heart_image_view);
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itemPinnedView = itemView.findViewById(R.id.detail_pinned_view);
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repliesButton = itemView.findViewById(R.id.replies_button);
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commentHorizontalPadding = (int) infoItemBuilder.getContext()
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.getResources().getDimension(R.dimen.comments_horizontal_padding);
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commentVerticalPadding = (int) infoItemBuilder.getContext()
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.getResources().getDimension(R.dimen.comments_vertical_padding);
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paintAtContentSize = new Paint();
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paintAtContentSize.setTextSize(itemContentView.getTextSize());
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ellipsisWidthPx = paintAtContentSize.measureText(ELLIPSIS);
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}
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@Override
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public void updateFromItem(final InfoItem infoItem,
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final HistoryRecordManager historyRecordManager) {
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if (!(infoItem instanceof CommentsInfoItem)) {
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return;
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}
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final CommentsInfoItem item = (CommentsInfoItem) infoItem;
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// load the author avatar
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PicassoHelper.loadAvatar(item.getUploaderAvatars()).into(itemThumbnailView);
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if (ImageStrategy.shouldLoadImages()) {
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itemThumbnailView.setVisibility(View.VISIBLE);
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itemRoot.setPadding(commentVerticalPadding, commentVerticalPadding,
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commentVerticalPadding, commentVerticalPadding);
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} else {
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itemThumbnailView.setVisibility(View.GONE);
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itemRoot.setPadding(commentHorizontalPadding, commentVerticalPadding,
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commentHorizontalPadding, commentVerticalPadding);
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}
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itemThumbnailView.setOnClickListener(view -> openCommentAuthor(item));
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// setup the top row, with pinned icon, author name and comment date
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itemPinnedView.setVisibility(item.isPinned() ? View.VISIBLE : View.GONE);
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itemTitleView.setText(Localization.concatenateStrings(item.getUploaderName(),
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Localization.relativeTimeOrTextual(item.getUploadDate(),
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item.getTextualUploadDate(), itemBuilder.getContext())));
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// setup bottom row, with likes, heart and replies button
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itemLikesCountView.setText(
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Localization.likeCount(itemBuilder.getContext(), item.getLikeCount()));
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itemHeartView.setVisibility(item.isHeartedByUploader() ? View.VISIBLE : View.GONE);
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final boolean hasReplies = item.getReplies() != null;
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repliesButton.setOnClickListener(hasReplies ? v -> openCommentReplies(item) : null);
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repliesButton.setVisibility(hasReplies ? View.VISIBLE : View.GONE);
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repliesButton.setText(hasReplies
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? Localization.replyCount(itemBuilder.getContext(), item.getReplyCount()) : "");
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((RelativeLayout.LayoutParams) itemThumbsUpView.getLayoutParams()).topMargin =
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hasReplies ? 0 : DeviceUtils.dpToPx(6, itemBuilder.getContext());
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// setup comment content and click listeners to expand/ellipsize it
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streamService = getServiceById(item.getServiceId());
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streamUrl = item.getUrl();
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commentText = item.getCommentText();
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ellipsize();
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//noinspection ClickableViewAccessibility
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itemContentView.setOnTouchListener(CommentTextOnTouchListener.INSTANCE);
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itemView.setOnClickListener(view -> {
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toggleEllipsize();
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if (itemBuilder.getOnCommentsSelectedListener() != null) {
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itemBuilder.getOnCommentsSelectedListener().selected(item);
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}
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});
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itemView.setOnLongClickListener(view -> {
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if (DeviceUtils.isTv(itemBuilder.getContext())) {
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openCommentAuthor(item);
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} else {
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final CharSequence text = itemContentView.getText();
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if (text != null) {
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ShareUtils.copyToClipboard(itemBuilder.getContext(), text.toString());
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}
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}
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return true;
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});
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}
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private void openCommentAuthor(final CommentsInfoItem item) {
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NavigationHelper.openCommentAuthorIfPresent((FragmentActivity) itemBuilder.getContext(),
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item);
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}
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private void openCommentReplies(final CommentsInfoItem item) {
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NavigationHelper.openCommentRepliesFragment((FragmentActivity) itemBuilder.getContext(),
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(CommentsInfo) itemBuilder.getSourceListInfo(), item);
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}
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private void allowLinkFocus() {
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itemContentView.setMovementMethod(LinkMovementMethod.getInstance());
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}
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private void denyLinkFocus() {
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itemContentView.setMovementMethod(null);
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}
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private boolean shouldFocusLinks() {
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if (itemView.isInTouchMode()) {
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return false;
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}
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final URLSpan[] urls = itemContentView.getUrls();
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return urls != null && urls.length != 0;
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}
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private void determineMovementMethod() {
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if (shouldFocusLinks()) {
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allowLinkFocus();
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} else {
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denyLinkFocus();
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}
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}
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private void ellipsize() {
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itemContentView.setMaxLines(COMMENT_EXPANDED_LINES);
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linkifyCommentContentView(v -> {
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boolean hasEllipsis = false;
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final CharSequence charSeqText = itemContentView.getText();
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if (charSeqText != null && itemContentView.getLineCount() > COMMENT_DEFAULT_LINES) {
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// Note that converting to String removes spans (i.e. links), but that's something
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// we actually want since when the text is ellipsized we want all clicks on the
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// comment to expand the comment, not to open links.
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final String text = charSeqText.toString();
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final Layout layout = itemContentView.getLayout();
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final float lineWidth = layout.getLineWidth(COMMENT_DEFAULT_LINES - 1);
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final float layoutWidth = layout.getWidth();
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final int lineStart = layout.getLineStart(COMMENT_DEFAULT_LINES - 1);
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final int lineEnd = layout.getLineEnd(COMMENT_DEFAULT_LINES - 1);
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// remove characters up until there is enough space for the ellipsis
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// (also summing 2 more pixels, just to be sure to avoid float rounding errors)
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int end = lineEnd;
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float removedCharactersWidth = 0.0f;
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while (lineWidth - removedCharactersWidth + ellipsisWidthPx + 2.0f > layoutWidth
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&& end >= lineStart) {
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end -= 1;
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// recalculate each time to account for ligatures or other similar things
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removedCharactersWidth = paintAtContentSize.measureText(
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text.substring(end, lineEnd));
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}
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// remove trailing spaces and newlines
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while (end > 0 && Character.isWhitespace(text.charAt(end - 1))) {
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end -= 1;
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}
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final String newVal = text.substring(0, end) + ELLIPSIS;
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itemContentView.setText(newVal);
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hasEllipsis = true;
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}
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itemContentView.setMaxLines(COMMENT_DEFAULT_LINES);
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if (hasEllipsis) {
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denyLinkFocus();
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} else {
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determineMovementMethod();
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}
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});
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}
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private void toggleEllipsize() {
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final CharSequence text = itemContentView.getText();
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if (!isEmpty(text) && text.charAt(text.length() - 1) == ELLIPSIS.charAt(0)) {
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expand();
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} else if (itemContentView.getLineCount() > COMMENT_DEFAULT_LINES) {
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ellipsize();
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}
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}
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private void expand() {
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itemContentView.setMaxLines(COMMENT_EXPANDED_LINES);
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linkifyCommentContentView(v -> determineMovementMethod());
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}
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private void linkifyCommentContentView(@Nullable final Consumer<TextView> onCompletion) {
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disposables.clear();
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if (commentText != null) {
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TextLinkifier.fromDescription(itemContentView, commentText,
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HtmlCompat.FROM_HTML_MODE_LEGACY, streamService, streamUrl, disposables,
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onCompletion);
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}
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}
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}
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