From 2c6ca51e5c772f30490a35bf73305b43eef91b56 Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Thu, 15 Aug 2019 16:25:20 +0800
Subject: Handle invalid uri when opening in Custom Tabs.

---
 .../main/java/CustomView/CustomMarkwonView.java    |  6 ++++-
 .../CommentAndPostRecyclerViewAdapter.java         | 29 ++++++++++++++++++++--
 .../infinityforreddit/LinkResolverActivity.java    | 20 +++++++++++++--
 .../infinityforreddit/PostRecyclerViewAdapter.java | 20 +++++++++++++--
 app/src/main/res/values/colors.xml                 |  2 ++
 5 files changed, 70 insertions(+), 7 deletions(-)

(limited to 'app/src/main')

diff --git a/app/src/main/java/CustomView/CustomMarkwonView.java b/app/src/main/java/CustomView/CustomMarkwonView.java
index da6b2f55..d5828f13 100644
--- a/app/src/main/java/CustomView/CustomMarkwonView.java
+++ b/app/src/main/java/CustomView/CustomMarkwonView.java
@@ -44,7 +44,11 @@ public class CustomMarkwonView extends MarkwonView {
                 if(uri.getHost() != null && uri.getHost().contains("reddit.com")) {
                     customTabsIntent.intent.setPackage(context.getPackageName());
                 }
-                customTabsIntent.launchUrl(context, uri);
+                String uriString = uri.toString();
+                if(!uriString.startsWith("http://") && (!uriString.startsWith("https://"))) {
+                    uriString = "http://" + uriString;
+                }
+                customTabsIntent.launchUrl(context, Uri.parse(uriString));
             }
         }).build();
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/CommentAndPostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/CommentAndPostRecyclerViewAdapter.java
index 5ecc81df..9816946c 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/CommentAndPostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/CommentAndPostRecyclerViewAdapter.java
@@ -374,7 +374,15 @@ class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVie
                         builder.addDefaultShareMenuItem();
                         builder.setToolbarColor(mActivity.getResources().getColor(R.color.colorPrimary));
                         CustomTabsIntent customTabsIntent = builder.build();
-                        customTabsIntent.launchUrl(mActivity, Uri.parse(mPost.getUrl()));
+                        Uri uri = Uri.parse(mPost.getUrl());
+                        if(uri.getHost() != null && uri.getHost().contains("reddit.com")) {
+                            customTabsIntent.intent.setPackage(mActivity.getPackageName());
+                        }
+                        String uriString = mPost.getUrl();
+                        if(!uriString.startsWith("http://") && !uriString.startsWith("https://")) {
+                            uriString = "http://" + uriString;
+                        }
+                        customTabsIntent.launchUrl(mActivity, Uri.parse(uriString));
                     });
                     break;
                 case Post.GIF_VIDEO_TYPE:
@@ -431,7 +439,15 @@ class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVie
                         builder.addDefaultShareMenuItem();
                         builder.setToolbarColor(mActivity.getResources().getColor(R.color.colorPrimary));
                         CustomTabsIntent customTabsIntent = builder.build();
-                        customTabsIntent.launchUrl(mActivity, Uri.parse(mPost.getUrl()));
+                        Uri uri = Uri.parse(mPost.getUrl());
+                        if(uri.getHost() != null && uri.getHost().contains("reddit.com")) {
+                            customTabsIntent.intent.setPackage(mActivity.getPackageName());
+                        }
+                        String uriString = mPost.getUrl();
+                        if(!uriString.startsWith("http://") && !uriString.startsWith("https://")) {
+                            uriString = "http://" + uriString;
+                        }
+                        customTabsIntent.launchUrl(mActivity, Uri.parse(uriString));
                     });
                     break;
                 case Post.TEXT_TYPE:
@@ -451,6 +467,11 @@ class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVie
                 comment = mVisibleComments.get(holder.getAdapterPosition() - 1);
             }
 
+            if(mIsSingleCommentThreadMode && comment.getId().equals(mSingleCommentId)) {
+                ((CommentViewHolder) holder).itemView.setBackgroundColor(
+                        mActivity.getResources().getColor(R.color.singleCommentThreadBackgroundColor));
+            }
+
             String authorPrefixed = "u/" + comment.getAuthor();
             ((CommentViewHolder) holder).authorTextView.setText(authorPrefixed);
 
@@ -722,6 +743,8 @@ class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVie
             ((CommentViewHolder) holder).expandButton.setVisibility(View.GONE);
             ((CommentViewHolder) holder).upVoteButton.clearColorFilter();
             ((CommentViewHolder) holder).downVoteButton.clearColorFilter();
+            ((CommentViewHolder) holder).itemView.setBackgroundColor(
+                    mActivity.getResources().getColor(R.color.cardViewBackgroundColor));
         }
     }
 
@@ -1297,6 +1320,8 @@ class CommentAndPostRecyclerViewAdapter extends RecyclerView.Adapter<RecyclerVie
 
             itemView.setOnClickListener(view -> {
                 if(mActivity != null && mActivity instanceof ViewPostDetailActivity) {
+                    mIsSingleCommentThreadMode = false;
+                    mSingleCommentId = null;
                     ((ViewPostDetailActivity) mActivity).changeToSingleThreadMode();
                 }
             });
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/LinkResolverActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/LinkResolverActivity.java
index 8df02968..a091cef0 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/LinkResolverActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/LinkResolverActivity.java
@@ -17,7 +17,8 @@ import static androidx.browser.customtabs.CustomTabsService.ACTION_CUSTOM_TABS_C
 
 public class LinkResolverActivity extends AppCompatActivity {
 
-    private static final String POST_PATTERN = "/r/\\w+/comments/\\w+/*[\\w+]*/*";
+    private static final String POST_PATTERN = "/r/\\w+/comments/\\w+/{0,1}\\w+/{0,1}";
+    private static final String COMMENT_PATTERN = "/r/\\w+/comments/\\w+/{0,1}\\w+/\\w+/{0,1}";
     private static final String SUBREDDIT_PATTERN = "/r/\\w+/*";
     private static final String USER_PATTERN = "/user/\\w+/*";
 
@@ -41,6 +42,17 @@ public class LinkResolverActivity extends AppCompatActivity {
             } else {
                 deepLinkError(uri);
             }
+        } else if(path.matches(COMMENT_PATTERN)) {
+            List<String> segments = uri.getPathSegments();
+            int commentsIndex = segments.lastIndexOf("comments");
+            if(commentsIndex >=0 && commentsIndex < segments.size() - 1) {
+                Intent intent = new Intent(this, ViewPostDetailActivity.class);
+                intent.putExtra(ViewPostDetailActivity.EXTRA_POST_ID, segments.get(commentsIndex + 1));
+                intent.putExtra(ViewPostDetailActivity.EXTRA_SINGLE_COMMENT_ID, segments.get(segments.size() - 1));
+                startActivity(intent);
+            } else {
+                deepLinkError(uri);
+            }
         } else if(path.matches(SUBREDDIT_PATTERN)) {
             String subredditName = path.substring(3);
             if(subredditName.equals("popular") || subredditName.equals("all")) {
@@ -73,7 +85,11 @@ public class LinkResolverActivity extends AppCompatActivity {
             builder.setToolbarColor(getResources().getColor(R.color.colorPrimary));
             CustomTabsIntent customTabsIntent = builder.build();
             customTabsIntent.intent.setPackage(resolveInfos.get(0).activityInfo.packageName);
-            customTabsIntent.launchUrl(this, uri);
+            String uriString = uri.toString();
+            if(!uriString.startsWith("http://") || (!uriString.startsWith("https://"))) {
+                uriString = "http://" + uriString;
+            }
+            customTabsIntent.launchUrl(this, Uri.parse(uriString));
         } else {
             Intent intent = new Intent(Intent.ACTION_VIEW);
             intent.setData(uri);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/PostRecyclerViewAdapter.java b/app/src/main/java/ml/docilealligator/infinityforreddit/PostRecyclerViewAdapter.java
index 07b620ca..239bf8c0 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/PostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/PostRecyclerViewAdapter.java
@@ -390,7 +390,15 @@ class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView.ViewHo
                             builder.addDefaultShareMenuItem();
                             builder.setToolbarColor(mContext.getResources().getColor(R.color.colorPrimary));
                             CustomTabsIntent customTabsIntent = builder.build();
-                            customTabsIntent.launchUrl(mContext, Uri.parse(post.getUrl()));
+                            Uri uri = Uri.parse(post.getUrl());
+                            if(uri.getHost() != null && uri.getHost().contains("reddit.com")) {
+                                customTabsIntent.intent.setPackage(mContext.getPackageName());
+                            }
+                            String uriString = post.getUrl();
+                            if(!uriString.startsWith("http://") && !uriString.startsWith("https://")) {
+                                uriString = "http://" + uriString;
+                            }
+                            customTabsIntent.launchUrl(mContext, Uri.parse(uriString));
                         });
                         break;
                     case Post.GIF_VIDEO_TYPE:
@@ -443,7 +451,15 @@ class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView.ViewHo
                             builder.addDefaultShareMenuItem();
                             builder.setToolbarColor(mContext.getResources().getColor(R.color.colorPrimary));
                             CustomTabsIntent customTabsIntent = builder.build();
-                            customTabsIntent.launchUrl(mContext, Uri.parse(noPreviewLinkUrl));
+                            Uri uri = Uri.parse(post.getUrl());
+                            if(uri.getHost() != null && uri.getHost().contains("reddit.com")) {
+                                customTabsIntent.intent.setPackage(mContext.getPackageName());
+                            }
+                            String uriString = noPreviewLinkUrl;
+                            if(!uriString.startsWith("http://") && !uriString.startsWith("https://")) {
+                                uriString = "http://" + uriString;
+                            }
+                            customTabsIntent.launchUrl(mContext, Uri.parse(uriString));
                         });
                         break;
                     case Post.TEXT_TYPE:
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index bf91858c..ee3bdeed 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -45,4 +45,6 @@
     <color name="navBarColor">#FFFFFF</color>
 
     <color name="cardViewBackgroundColor">#FFFFFF</color>
+
+    <color name="singleCommentThreadBackgroundColor">#B3E5F9</color>
 </resources>
-- 
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