Show image flairs properly. Minor bugs fixed.

4 files changed, 188 insertions, 13 deletions

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
index 52372b76..80887700 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
@@ -6,6 +6,8 @@ import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
+import android.text.Html;
+import android.text.Spannable;
 import android.text.Spanned;
 import android.text.style.SuperscriptSpan;
 import android.text.util.Linkify;
@@ -81,6 +83,7 @@ import ml.docilealligator.infinityforreddit.Post.PostDataSource;
 import ml.docilealligator.infinityforreddit.R;
 import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
 import ml.docilealligator.infinityforreddit.SaveThing;
+import ml.docilealligator.infinityforreddit.Utils.GlideImageGetter;
 import ml.docilealligator.infinityforreddit.Utils.RedditUtils;
 import ml.docilealligator.infinityforreddit.Utils.Utils;
 import ml.docilealligator.infinityforreddit.VoteThing;
@@ -704,7 +707,14 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
 
             if (comment.getAuthorFlair() != null && !comment.getAuthorFlair().equals("")) {
                 ((CommentViewHolder) holder).authorFlairTextView.setVisibility(View.VISIBLE);
-                ((CommentViewHolder) holder).authorFlairTextView.setText(comment.getAuthorFlair());
+                Spannable flairHTML;
+                GlideImageGetter glideImageGetter = new GlideImageGetter(((CommentViewHolder) holder).authorFlairTextView);
+                if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
+                    flairHTML = (Spannable) Html.fromHtml(comment.getAuthorFlair(), Html.FROM_HTML_MODE_LEGACY, glideImageGetter, null);
+                } else {
+                    flairHTML = (Spannable) Html.fromHtml(comment.getAuthorFlair(), glideImageGetter, null);
+                }
+                ((CommentViewHolder) holder).authorFlairTextView.setText(flairHTML);
                 ((CommentViewHolder) holder).authorFlairTextView.setOnClickListener(view -> ((CommentViewHolder) holder).authorTextView.performClick());
             }
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/ParseComment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/ParseComment.java
index 1650b6bc..0891e7f1 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/ParseComment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/ParseComment.java
@@ -118,11 +118,18 @@ public class ParseComment {
         String id = singleCommentData.getString(JSONUtils.ID_KEY);
         String fullName = singleCommentData.getString(JSONUtils.NAME_KEY);
         String author = singleCommentData.getString(JSONUtils.AUTHOR_KEY);
-        String authorFlair;
-        if (!singleCommentData.has(JSONUtils.AUTHOR_FLAIR_TEXT_KEY) || singleCommentData.isNull(JSONUtils.AUTHOR_FLAIR_TEXT_KEY)) {
-            authorFlair = "";
-        } else {
-            authorFlair = singleCommentData.getString(JSONUtils.AUTHOR_FLAIR_TEXT_KEY);
+        StringBuilder authorFlairHTMLBuilder = new StringBuilder();
+        if (singleCommentData.has(JSONUtils.AUTHOR_FLAIR_RICHTEXT_KEY)) {
+            JSONArray flairArray = singleCommentData.getJSONArray(JSONUtils.AUTHOR_FLAIR_RICHTEXT_KEY);
+            for (int i = 0; i < flairArray.length(); i++) {
+                JSONObject flairObject = flairArray.getJSONObject(i);
+                String e = flairObject.getString(JSONUtils.E_KEY);
+                if (e.equals("text")) {
+                    authorFlairHTMLBuilder.append(flairObject.getString(JSONUtils.T_KEY));
+                } else if (e.equals("emoji")) {
+                    authorFlairHTMLBuilder.append("<img src=\"").append(flairObject.getString(JSONUtils.U_KEY)).append("\">");
+                }
+            }
         }
         String linkAuthor = singleCommentData.has(JSONUtils.LINK_AUTHOR_KEY) ? singleCommentData.getString(JSONUtils.LINK_AUTHOR_KEY) : null;
         String linkId = singleCommentData.getString(JSONUtils.LINK_ID_KEY).substring(3);
@@ -161,10 +168,10 @@ public class ParseComment {
         boolean collapsed = singleCommentData.getBoolean(JSONUtils.COLLAPSED_KEY);
         boolean hasReply = !(singleCommentData.get(JSONUtils.REPLIES_KEY) instanceof String);
 
-        return new CommentData(id, fullName, author, authorFlair, linkAuthor, formattedSubmitTime,
-                submitTime, commentMarkdown, commentRawText, linkId, subredditName, parentId, score,
-                voteType, isSubmitter, distinguished, permalink, depth, collapsed, hasReply,
-                scoreHidden, saved);
+        return new CommentData(id, fullName, author, authorFlairHTMLBuilder.toString(), linkAuthor,
+                formattedSubmitTime, submitTime, commentMarkdown, commentRawText, linkId, subredditName,
+                parentId, score, voteType, isSubmitter, distinguished, permalink, depth, collapsed,
+                hasReply, scoreHidden, saved);
     }
 
     @Nullable
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/GlideImageGetter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/GlideImageGetter.java
new file mode 100644
index 00000000..b38f5b52
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/GlideImageGetter.java
@@ -0,0 +1,157 @@
+package ml.docilealligator.infinityforreddit.Utils;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.text.Html;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.request.Request;
+import com.bumptech.glide.request.target.SizeReadyCallback;
+import com.bumptech.glide.request.target.Target;
+import com.bumptech.glide.request.transition.Transition;
+
+import java.lang.ref.WeakReference;
+
+public class GlideImageGetter implements Html.ImageGetter {
+
+    private WeakReference<TextView> container;
+    private boolean matchParentWidth;
+    private HtmlImagesHandler imagesHandler;
+    private float density = 1.0f;
+    private float textSize;
+
+    public GlideImageGetter(TextView textView) {
+        this(textView, false, false, null);
+    }
+
+    public GlideImageGetter(TextView textView, boolean matchParentWidth, HtmlImagesHandler imagesHandler) {
+        this(textView, matchParentWidth, false, imagesHandler);
+    }
+
+    public GlideImageGetter(TextView textView, boolean matchParentWidth, boolean densityAware,
+                            @Nullable HtmlImagesHandler imagesHandler) {
+        this.container = new WeakReference<>(textView);
+        this.matchParentWidth = matchParentWidth;
+        this.imagesHandler = imagesHandler;
+        if (densityAware) {
+            density = container.get().getResources().getDisplayMetrics().density;
+        }
+        textSize = container.get().getTextSize();
+    }
+
+    @Override
+    public Drawable getDrawable(String source) {
+        if (imagesHandler != null) {
+            imagesHandler.addImage(source);
+        }
+
+        BitmapDrawablePlaceholder drawable = new BitmapDrawablePlaceholder(textSize);
+
+        container.get().post(() -> Glide.with(container.get().getContext())
+                .asBitmap()
+                .load(source)
+                .into(drawable));
+
+        return drawable;
+    }
+
+    private class BitmapDrawablePlaceholder extends BitmapDrawable implements Target<Bitmap> {
+
+        protected Drawable drawable;
+
+        BitmapDrawablePlaceholder(float textSize) {
+            super(container.get().getResources(),
+                    Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888));
+        }
+
+        @Override
+        public void draw(final Canvas canvas) {
+            if (drawable != null) {
+                drawable.draw(canvas);
+            }
+        }
+
+        private void setDrawable(Drawable drawable) {
+            this.drawable = drawable;
+            int drawableWidth = (int) (drawable.getIntrinsicWidth() * density);
+            int drawableHeight = (int) (drawable.getIntrinsicHeight() * density);
+            float ratio = (float) drawableWidth / (float) drawableHeight;
+            drawableHeight = (int) textSize + 10;
+            drawableWidth = (int) (drawableHeight * ratio);
+            int maxWidth = container.get().getMeasuredWidth();
+            if ((drawableWidth > maxWidth) || matchParentWidth) {
+                int calculatedHeight = maxWidth * drawableHeight / drawableWidth;
+                drawable.setBounds(0, 0, maxWidth, calculatedHeight);
+                setBounds(0, 0, maxWidth, calculatedHeight);
+            } else {
+                drawable.setBounds(0, 0, drawableWidth, drawableHeight);
+                setBounds(0, 0, drawableWidth, drawableHeight);
+            }
+
+            container.get().setText(container.get().getText());
+        }
+
+        @Override
+        public void onLoadStarted(@Nullable Drawable placeholderDrawable) {
+            if(placeholderDrawable != null) {
+                setDrawable(placeholderDrawable);
+            }
+        }
+
+        @Override
+        public void onLoadFailed(@Nullable Drawable errorDrawable) {
+            if (errorDrawable != null) {
+                setDrawable(errorDrawable);
+            }
+        }
+
+        @Override
+        public void onResourceReady(@NonNull Bitmap bitmap, @Nullable Transition<? super Bitmap> transition) {
+            setDrawable(new BitmapDrawable(container.get().getResources(), bitmap));
+        }
+
+        @Override
+        public void onLoadCleared(@Nullable Drawable placeholderDrawable) {
+            if(placeholderDrawable != null) {
+                setDrawable(placeholderDrawable);
+            }
+        }
+
+        @Override
+        public void getSize(@NonNull SizeReadyCallback cb) {
+            cb.onSizeReady(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL);
+        }
+
+        @Override
+        public void removeCallback(@NonNull SizeReadyCallback cb) {}
+
+        @Override
+        public void setRequest(@Nullable Request request) {}
+
+        @Nullable
+        @Override
+        public Request getRequest() {
+            return null;
+        }
+
+        @Override
+        public void onStart() {}
+
+        @Override
+        public void onStop() {}
+
+        @Override
+        public void onDestroy() {}
+
+    }
+
+    public interface HtmlImagesHandler {
+        void addImage(String uri);
+    }
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/JSONUtils.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/JSONUtils.java
index 77338813..577b16e0 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/JSONUtils.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Utils/JSONUtils.java
@@ -17,6 +17,10 @@ public class JSONUtils {
     public static final String SELFTEXT_HTML_KEY = "selftext_html";
     public static final String AUTHOR_KEY = "author";
     public static final String AUTHOR_FLAIR_TEXT_KEY = "author_flair_text";
+    public static final String AUTHOR_FLAIR_RICHTEXT_KEY = "author_flair_richtext";
+    public static final String E_KEY = "e";
+    public static final String T_KEY = "t";
+    public static final String U_KEY = "u";
     public static final String LINK_AUTHOR_KEY = "link_author";
     public static final String LINK_FLAIR_TEXT_KEY = "link_flair_text";
     public static final String SCORE_KEY = "score";
@@ -29,9 +33,6 @@ public class JSONUtils {
     public static final String IMAGES_KEY = "images";
     public static final String WIDTH_KEY = "width";
     public static final String HEIGHT_KEY = "height";
-    public static final String VARIANTS_KEY = "variants";
-    public static final String GIF_KEY = "gif";
-    public static final String MP4_KEY = "mp4";
     public static final String SOURCE_KEY = "source";
     public static final String URL_KEY = "url";
     public static final String MEDIA_KEY = "media";