From 9dc596b9076963d48a9ac7d08b965cb540f9983f Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Sat, 1 Feb 2020 19:56:55 +0800
Subject: Show image preview for some posts which were classified as link posts
 before.

---
 .../Adapter/CommentAndPostRecyclerViewAdapter.java |  7 ++++++
 .../Adapter/PostRecyclerViewAdapter.java           | 12 +++++++--
 .../infinityforreddit/ParsePost.java               | 29 ++++++++++++++++------
 app/src/main/res/values/strings.xml                |  3 ---
 4 files changed, 38 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 b58c87ee..e001e632 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/CommentAndPostRecyclerViewAdapter.java
@@ -125,6 +125,7 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
     private boolean mHasMoreComments;
     private boolean loadMoreCommentsFailed;
     private int mCommentBackgroundColor;
+    private float mScale;
     private ShareLinkBottomSheetFragment mShareLinkBottomSheetFragment;
     private CopyTextBottomSheetFragment mCopyTextBottomSheetFragment;
 
@@ -228,6 +229,7 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
         isInitiallyLoadingFailed = false;
         mHasMoreComments = false;
         loadMoreCommentsFailed = false;
+        mScale = activity.getResources().getDisplayMetrics().density;
 
         TypedValue typedValue = new TypedValue();
         mActivity.getTheme().resolveAttribute(R.attr.cardViewBackgroundColor, typedValue, true);
@@ -498,6 +500,11 @@ public class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<Recy
                                 + "-" + mPost.getId().substring(3) + ".jpg");
                         mActivity.startActivity(intent);
                     });
+
+                    if (mPost.getPreviewWidth() <= 0 || mPost.getPreviewHeight() <= 0) {
+                        ((PostDetailViewHolder) holder).mImageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
+                        ((PostDetailViewHolder) holder).mImageView.getLayoutParams().height = (int) (400 * mScale);
+                    }
                     break;
                 case Post.LINK_TYPE:
                     ((PostDetailViewHolder) holder).mTypeTextView.setText("LINK");
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
index ad9c215d..12d6ac8e 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
@@ -9,6 +9,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
+import android.widget.FrameLayout;
 import android.widget.ImageView;
 import android.widget.ProgressBar;
 import android.widget.RelativeLayout;
@@ -97,6 +98,7 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
     private boolean canStartActivity = true;
     private int mPostType;
     private int mPostLayout;
+    private float mScale;
     private boolean mDisplaySubredditName;
     private boolean mVoteButtonsOnTheRight;
     private boolean mNeedBlurNSFW;
@@ -126,6 +128,7 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
             mShowElapsedTime = showElapsedTime;
             mShowDividerInCompactLayout = showDividerInCompactLayout;
             mPostLayout = postLayout;
+            mScale = activity.getResources().getDisplayMetrics().density;
             mGlide = Glide.with(mActivity.getApplicationContext());
             mRedditDataRoomDatabase = redditDataRoomDatabase;
             mUserDao = redditDataRoomDatabase.userDao();
@@ -170,7 +173,6 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
                 String authorPrefixed = "u/" + post.getAuthor();
                 final String postTime = post.getPostTime();
                 final String title = post.getTitle();
-                final String permalink = post.getPermalink();
                 int voteType = post.getVoteType();
                 int gilded = post.getGilded();
                 boolean nsfw = post.isNSFW();
@@ -439,6 +441,11 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
                                     + "-" + id + ".jpg");
                             mActivity.startActivity(intent);
                         });
+
+                        if (post.getPreviewWidth() <= 0 || post.getPreviewHeight() <= 0) {
+                            ((PostViewHolder) holder).imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
+                            ((PostViewHolder) holder).imageView.getLayoutParams().height = (int) (400 * mScale);
+                        }
                         break;
                     case Post.LINK_TYPE:
                         ((PostViewHolder) holder).typeTextView.setText(R.string.link);
@@ -727,7 +734,6 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
                 String authorPrefixed = "u/" + post.getAuthor();
                 final String postTime = post.getPostTime();
                 final String title = post.getTitle();
-                final String permalink = post.getPermalink();
                 int voteType = post.getVoteType();
                 int gilded = post.getGilded();
                 boolean nsfw = post.isNSFW();
@@ -1433,6 +1439,8 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
             ((PostViewHolder) holder).flairTextView.setVisibility(View.GONE);
             ((PostViewHolder) holder).linkTextView.setVisibility(View.GONE);
             ((PostViewHolder) holder).progressBar.setVisibility(View.GONE);
+            ((PostViewHolder) holder).imageView.setScaleType(ImageView.ScaleType.FIT_START);
+            ((PostViewHolder) holder).imageView.getLayoutParams().height = FrameLayout.LayoutParams.WRAP_CONTENT;
             ((PostViewHolder) holder).imageView.setVisibility(View.GONE);
             ((PostViewHolder) holder).playButtonImageView.setVisibility(View.GONE);
             ((PostViewHolder) holder).errorRelativeLayout.setVisibility(View.GONE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/ParsePost.java b/app/src/main/java/ml/docilealligator/infinityforreddit/ParsePost.java
index 435cce53..1d2e2e6f 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/ParsePost.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/ParsePost.java
@@ -141,15 +141,28 @@ public class ParsePost {
                     }
                 }
             } else {
-                //No preview link post
-                int postType = Post.NO_PREVIEW_LINK_TYPE;
-                post = new Post(id, fullName, subredditName, subredditNamePrefixed, author, formattedPostTime, postTimeMillis,
-                        title, previewUrl, thumbnailPreviewUrl, url, permalink, score, postType, voteType,
-                        gilded, nComments, flair, hidden, spoiler, nsfw, stickied, archived, locked, saved, isCrosspost);
-                if (data.isNull(JSONUtils.SELFTEXT_KEY)) {
-                    post.setSelfText("");
+                if (url.endsWith("jpg") || url.endsWith("png")) {
+                    //Image post
+                    int postType = Post.IMAGE_TYPE;
+
+                    post = new Post(id, fullName, subredditName, subredditNamePrefixed, author,
+                            formattedPostTime, postTimeMillis, title, url, thumbnailPreviewUrl, url, permalink,
+                            score, postType, voteType, gilded, nComments, flair, hidden, spoiler,
+                            nsfw, stickied, archived, locked, saved, isCrosspost);
+
+                    post.setPreviewWidth(previewWidth);
+                    post.setPreviewHeight(previewHeight);
                 } else {
-                    post.setSelfText(Utils.modifyMarkdown(data.getString(JSONUtils.SELFTEXT_KEY).trim()));
+                    //No preview link post
+                    int postType = Post.NO_PREVIEW_LINK_TYPE;
+                    post = new Post(id, fullName, subredditName, subredditNamePrefixed, author, formattedPostTime, postTimeMillis,
+                            title, previewUrl, thumbnailPreviewUrl, url, permalink, score, postType, voteType,
+                            gilded, nComments, flair, hidden, spoiler, nsfw, stickied, archived, locked, saved, isCrosspost);
+                    if (data.isNull(JSONUtils.SELFTEXT_KEY)) {
+                        post.setSelfText("");
+                    } else {
+                        post.setSelfText(Utils.modifyMarkdown(data.getString(JSONUtils.SELFTEXT_KEY).trim()));
+                    }
                 }
             }
         } else {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 8ca45ac6..d95e7be9 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -419,7 +419,4 @@
 
     <string name="save_comment">Save comment</string>
     <string name="unsave_comment">Unsave comment</string>
-
-    <!-- TODO: Remove or change this placeholder text -->
-    <string name="hello_blank_fragment">Hello blank fragment</string>
 </resources>
-- 
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