From 47c1069d1e588c6c00a0a11d04593831ed51f65d Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Fri, 4 Sep 2020 00:05:27 +0800
Subject: Vibrate the phone if swiping distance exceeds threshold.

---
 app/src/main/AndroidManifest.xml                   |  1 +
 .../Adapter/PostRecyclerViewAdapter.java           |  7 -----
 .../infinityforreddit/Fragment/PostFragment.java   | 34 ++++++++++++++++++++--
 3 files changed, 33 insertions(+), 9 deletions(-)

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 1a29d099..13339b1b 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -6,6 +6,7 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.SET_WALLPAPER" />
     <uses-permission android:name="android.permission.SET_WALLPAPER_HINTS" />
+    <uses-permission android:name="android.permission.VIBRATE"/>
     <uses-permission
         android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="22" />
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 13fa5d90..7c7d8f53 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Adapter/PostRecyclerViewAdapter.java
@@ -10,7 +10,6 @@ import android.graphics.PorterDuff;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Bundle;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -511,12 +510,10 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
                 switch (post.getVoteType()) {
                     case 1:
                         //Upvoted
-                        Log.i("asdasdf", "upvoted");
                         ((PostBaseViewHolder) holder).upvoteButton.setColorFilter(mUpvotedColor, android.graphics.PorterDuff.Mode.SRC_IN);
                         ((PostBaseViewHolder) holder).scoreTextView.setTextColor(mUpvotedColor);
                         break;
                     case -1:
-                        Log.i("asdasdf", "downvoted");
                         //Downvoted
                         ((PostBaseViewHolder) holder).downvoteButton.setColorFilter(mDownvotedColor, android.graphics.PorterDuff.Mode.SRC_IN);
                         ((PostBaseViewHolder) holder).scoreTextView.setTextColor(mDownvotedColor);
@@ -1527,14 +1524,12 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
 
                     if (previousVoteType != 1) {
                         //Not upvoted before
-                        Log.i("asdasdf", "not 1 before");
                         post.setVoteType(1);
                         newVoteType = APIUtils.DIR_UPVOTE;
                         upvoteButton
                                 .setColorFilter(mUpvotedColor, android.graphics.PorterDuff.Mode.SRC_IN);
                         scoreTextView.setTextColor(mUpvotedColor);
                     } else {
-                        Log.i("asdasdf", "1 before");
                         //Upvoted before
                         post.setVoteType(0);
                         newVoteType = APIUtils.DIR_UNVOTE;
@@ -1548,13 +1543,11 @@ public class PostRecyclerViewAdapter extends PagedListAdapter<Post, RecyclerView
                         @Override
                         public void onVoteThingSuccess(int position1) {
                             if (newVoteType.equals(APIUtils.DIR_UPVOTE)) {
-                                Log.i("asdasdf", "1");
                                 post.setVoteType(1);
                                 upvoteButton
                                         .setColorFilter(mUpvotedColor, android.graphics.PorterDuff.Mode.SRC_IN);
                                 scoreTextView.setTextColor(mUpvotedColor);
                             } else {
-                                Log.i("asdasdf", "0");
                                 post.setVoteType(0);
                                 upvoteButton.setColorFilter(mPostIconAndInfoColor, android.graphics.PorterDuff.Mode.SRC_IN);
                                 scoreTextView.setTextColor(mPostIconAndInfoColor);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/PostFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/PostFragment.java
index fe33e43a..7727964a 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/PostFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/PostFragment.java
@@ -14,6 +14,8 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.CountDownTimer;
 import android.os.Handler;
+import android.os.VibrationEffect;
+import android.os.Vibrator;
 import android.util.DisplayMetrics;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
@@ -621,11 +623,15 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
             ((ActivityToolbarInterface) activity).displaySortType();
         }
 
+        Vibrator v = (Vibrator) activity.getSystemService(Context.VIBRATOR_SERVICE);
+        // Vibrate for 500 milliseconds
         backgroundLeft = new ColorDrawable(customThemeWrapper.getDownvoted());
         backgroundRight = new ColorDrawable(customThemeWrapper.getUpvoted());
         drawableLeft = ResourcesCompat.getDrawable(activity.getResources(), R.drawable.ic_arrow_downward_black_24dp, null);
         drawableRight = ResourcesCompat.getDrawable(activity.getResources(), R.drawable.ic_arrow_upward_black_24dp, null);
         touchHelper = new ItemTouchHelper(new ItemTouchHelper.Callback() {
+            boolean exceedThreshold = false;
+
             @Override
             public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
                 int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;
@@ -660,18 +666,42 @@ public class PostFragment extends Fragment implements FragmentCommunicator {
                 View itemView = viewHolder.itemView;
                 int horizontalOffset = (int) Utils.convertDpToPixel(16, activity);
                 if (dX > 0) {
-                    if (dX > (itemView.getRight() - itemView.getLeft()) * 0.3) {
+                    if (dX > (itemView.getRight() - itemView.getLeft()) * swipeActionThreshold) {
+                        if (!exceedThreshold) {
+                            exceedThreshold = true;
+                            if (v != null) {
+                                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                                    v.vibrate(VibrationEffect.createOneShot(10, 175));
+                                } else {
+                                    //deprecated in API 26
+                                    v.vibrate(50);
+                                }
+                            }
+                        }
                         backgroundLeft.setBounds(0, itemView.getTop(), itemView.getRight(), itemView.getBottom());
                     } else {
+                        exceedThreshold = false;
                         backgroundLeft.setBounds(0, 0, 0, 0);
                     }
                     drawableLeft.setBounds(itemView.getLeft() + ((int) dX) - horizontalOffset - drawableLeft.getIntrinsicWidth(), (itemView.getBottom() - itemView.getTop() - drawableLeft.getIntrinsicHeight()) / 2, itemView.getLeft() + ((int) dX) - horizontalOffset, (itemView.getBottom() - itemView.getTop() + drawableLeft.getIntrinsicHeight()) / 2);
                     backgroundLeft.draw(c);
                     drawableLeft.draw(c);
                 } else if (dX < 0) {
-                    if (-dX > (itemView.getRight() - itemView.getLeft()) * 0.3) {
+                    if (-dX > (itemView.getRight() - itemView.getLeft()) * swipeActionThreshold) {
+                        if (!exceedThreshold) {
+                            exceedThreshold = true;
+                            if (v != null) {
+                                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                                    v.vibrate(VibrationEffect.createOneShot(10, 175));
+                                } else {
+                                    //deprecated in API 26
+                                    v.vibrate(50);
+                                }
+                            }
+                        }
                         backgroundRight.setBounds(0, itemView.getTop(), itemView.getRight(), itemView.getBottom());
                     } else {
+                        exceedThreshold = false;
                         backgroundRight.setBounds(0, 0, 0, 0);
                     }
                     drawableRight.setBounds(itemView.getRight() + ((int) dX) + horizontalOffset, (itemView.getBottom() - itemView.getTop() - drawableRight.getIntrinsicHeight()) / 2, itemView.getRight() + ((int) dX) + horizontalOffset + drawableRight.getIntrinsicWidth(), (itemView.getBottom() - itemView.getTop() + drawableRight.getIntrinsicHeight()) / 2);
-- 
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