1 files changed, 107 insertions, 0 deletions
diff --git a/WordPress/src/main/java/org/wordpress/android/ui/comments/CommentUtils.java b/WordPress/src/main/java/org/wordpress/android/ui/comments/CommentUtils.java
new file mode 100644
index 000000000..d21d5231f
--- /dev/null
+++ b/WordPress/src/main/java/org/wordpress/android/ui/comments/CommentUtils.java
@@ -0,0 +1,107 @@
+package org.wordpress.android.ui.comments;
+
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.drawable.Drawable;
+import android.support.v4.content.ContextCompat;
+import android.text.Layout;
+import android.text.SpannableString;
+import android.text.Spanned;
+import android.text.style.LeadingMarginSpan;
+import android.text.util.Linkify;
+import android.widget.TextView;
+
+import org.wordpress.android.R;
+import org.wordpress.android.WordPress;
+import org.wordpress.android.util.EmoticonsUtils;
+import org.wordpress.android.util.HtmlUtils;
+import org.wordpress.android.util.helpers.WPImageGetter;
+
+public class CommentUtils {
+    /*
+     * displays comment text as html, including retrieving images
+     */
+    public static void displayHtmlComment(TextView textView, String content, int maxImageSize) {
+        if (textView == null) {
+            return;
+        }
+
+        if (content == null) {
+            textView.setText(null);
+            return;
+        }
+
+        // skip performance hit of html conversion if content doesn't contain html
+        if (!content.contains("<") && !content.contains("&")) {
+            content = content.trim();
+            textView.setText(content);
+            // make sure unnamed links are clickable
+            if (content.contains("://")) {
+                Linkify.addLinks(textView, Linkify.WEB_URLS);
+            }
+            return;
+        }
+
+        // convert emoticons first (otherwise they'll be downloaded)
+        content = EmoticonsUtils.replaceEmoticonsWithEmoji(content);
+
+        // now convert to HTML with an image getter that enforces a max image size
+        final Spanned html;
+        if (maxImageSize > 0 && content.contains("<img")) {
+            Drawable loading = ContextCompat.getDrawable(textView.getContext(),
+                    R.drawable.legacy_dashicon_format_image_big_grey);
+            Drawable failed = ContextCompat.getDrawable(textView.getContext(),
+                    R.drawable.noticon_warning_big_grey);
+            html = HtmlUtils.fromHtml(content, new WPImageGetter(textView, maxImageSize, WordPress.imageLoader, loading,
+                    failed));
+        } else {
+            html = HtmlUtils.fromHtml(content);
+        }
+
+        // remove extra \n\n added by Html.convert()
+        int start = 0;
+        int end = html.length();
+        while (start < end && Character.isWhitespace(html.charAt(start))) {
+            start++;
+        }
+        while (end > start && Character.isWhitespace(html.charAt(end - 1))) {
+            end--;
+        }
+
+        textView.setText(html.subSequence(start, end));
+    }
+
+    // Assumes all lines after first line will not be indented
+    public static void indentTextViewFirstLine(TextView textView, int textOffsetX) {
+        if (textView == null || textOffsetX < 0) return;
+
+        SpannableString text = new SpannableString(textView.getText());
+        text.setSpan(new TextWrappingLeadingMarginSpan(textOffsetX), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
+        textView.setText(text);
+    }
+
+    private static class TextWrappingLeadingMarginSpan implements LeadingMarginSpan.LeadingMarginSpan2 {
+        private final int margin;
+        private final int lines;
+
+        public TextWrappingLeadingMarginSpan(int margin) {
+            this.margin = margin;
+            this.lines = 1;
+        }
+
+        @Override
+        public int getLeadingMargin(boolean first) {
+            return first ? margin : 0;
+        }
+
+        @Override
+        public void drawLeadingMargin(Canvas c, Paint p, int x, int dir, int top, int baseline, int bottom, CharSequence text, int start, int end, boolean first, Layout layout) {
+
+        }
+
+        @Override
+        public int getLeadingMarginLineCount() {
+            return lines;
+        }
+    }
+}