1 files changed, 146 insertions, 0 deletions
diff --git a/WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderUserListActivity.java b/WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderUserListActivity.java
new file mode 100644
index 000000000..9272c2e4f
--- /dev/null
+++ b/WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderUserListActivity.java
@@ -0,0 +1,146 @@
+package org.wordpress.android.ui.reader;
+
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+
+import org.wordpress.android.R;
+import org.wordpress.android.datasets.ReaderCommentTable;
+import org.wordpress.android.datasets.ReaderPostTable;
+import org.wordpress.android.datasets.ReaderUserTable;
+import org.wordpress.android.models.ReaderUserList;
+import org.wordpress.android.ui.reader.adapters.ReaderUserAdapter;
+import org.wordpress.android.ui.reader.utils.ReaderUtils;
+import org.wordpress.android.ui.reader.views.ReaderRecyclerView;
+import org.wordpress.android.util.DisplayUtils;
+import org.wordpress.android.widgets.RecyclerItemDecoration;
+
+/*
+ * displays a list of users who like a specific reader post
+ */
+public class ReaderUserListActivity extends AppCompatActivity {
+
+    private ReaderRecyclerView mRecyclerView;
+    private ReaderUserAdapter mAdapter;
+    private int mRestorePosition;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setContentView(R.layout.reader_activity_userlist);
+        setTitle(null);
+
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        if (toolbar != null) {
+            setSupportActionBar(toolbar);
+            toolbar.setNavigationOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    onBackPressed();
+                }
+            });
+        }
+
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            getSupportActionBar().setDisplayShowTitleEnabled(true);
+            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+        }
+
+        if (savedInstanceState != null) {
+            mRestorePosition = savedInstanceState.getInt(ReaderConstants.KEY_RESTORE_POSITION);
+        }
+
+        int spacingHorizontal = 0;
+        int spacingVertical = DisplayUtils.dpToPx(this, 1);
+        mRecyclerView = (ReaderRecyclerView) findViewById(R.id.recycler_view);
+        mRecyclerView.addItemDecoration(new RecyclerItemDecoration(spacingHorizontal, spacingVertical));
+
+        long blogId = getIntent().getLongExtra(ReaderConstants.ARG_BLOG_ID, 0);
+        long postId = getIntent().getLongExtra(ReaderConstants.ARG_POST_ID, 0);
+        long commentId = getIntent().getLongExtra(ReaderConstants.ARG_COMMENT_ID, 0);
+        loadUsers(blogId, postId, commentId);
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        int position = ((LinearLayoutManager) mRecyclerView.getLayoutManager()).findFirstVisibleItemPosition();
+        if (position > 0) {
+            outState.putInt(ReaderConstants.KEY_RESTORE_POSITION, position);
+        }
+        super.onSaveInstanceState(outState);
+    }
+
+    private ReaderUserAdapter getAdapter() {
+        if (mAdapter == null) {
+            mAdapter = new ReaderUserAdapter(this);
+            mAdapter.setDataLoadedListener(new ReaderInterfaces.DataLoadedListener() {
+                @Override
+                public void onDataLoaded(boolean isEmpty) {
+                    if (!isEmpty && mRestorePosition > 0) {
+                        mRecyclerView.scrollToPosition(mRestorePosition);
+                    }
+                    mRestorePosition = 0;
+                }
+            });
+            mRecyclerView.setAdapter(mAdapter);
+        }
+        return mAdapter;
+    }
+
+    private void loadUsers(final long blogId,
+                           final long postId,
+                           final long commentId) {
+        new Thread() {
+            @Override
+            public void run() {
+                final String title = getTitleString(blogId, postId, commentId);
+
+                final ReaderUserList users;
+                if (commentId == 0) {
+                    // commentId is empty (not passed), so we're showing users who like a post
+                    users = ReaderUserTable.getUsersWhoLikePost(
+                            blogId,
+                            postId,
+                            ReaderConstants.READER_MAX_USERS_TO_DISPLAY);
+                } else {
+                    // commentId is non-empty, so we're showing users who like a comment
+                    users = ReaderUserTable.getUsersWhoLikeComment(
+                            blogId,
+                            commentId,
+                            ReaderConstants.READER_MAX_USERS_TO_DISPLAY);
+                }
+
+                runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        if (!isFinishing()) {
+                            setTitle(title);
+                            getAdapter().setUsers(users);
+                        }
+                    }
+                });
+            }
+        }.start();
+    }
+
+    private String getTitleString(final long blogId,
+                                  final long postId,
+                                  final long commentId) {
+        final int numLikes;
+        final boolean isLikedByCurrentUser;
+        if (commentId == 0) {
+            numLikes = ReaderPostTable.getNumLikesForPost(blogId, postId);
+            isLikedByCurrentUser = ReaderPostTable.isPostLikedByCurrentUser(blogId, postId);
+        } else {
+            numLikes = ReaderCommentTable.getNumLikesForComment(blogId, postId, commentId);
+            isLikedByCurrentUser = ReaderCommentTable.isCommentLikedByCurrentUser(blogId, postId, commentId);
+        }
+        return ReaderUtils.getLongLikeLabelText(this, numLikes, isLikedByCurrentUser);
+    }
+
+}