Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/ntp/BookmarkFolderHierarchyItem.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.ntp;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.drawable.Drawable;
+import android.support.v7.widget.AppCompatTextView;
+import android.util.TypedValue;
+import android.view.Gravity;
+import android.view.View;
+import android.view.View.OnClickListener;
+
+import com.google.android.apps.chrome.R;
+
+import org.chromium.chrome.browser.ntp.BookmarksPageView.BookmarksPageManager;
+import org.chromium.components.bookmarks.BookmarkId;
+
+/**
+ * Displays the folder hierarchy item. This item can be clicked to be taken to that folder's
+ * contents.
+ */
+public class BookmarkFolderHierarchyItem extends AppCompatTextView implements OnClickListener  {
+
+    private static final int PADDING_DP = 5;
+
+    private final BookmarksPageManager mManager;
+    private final String mTitle;
+    private final BookmarkId mId;
+
+    BookmarkFolderHierarchyItem(Context context, BookmarksPageManager manager, BookmarkId id,
+            String title, boolean isCurrentFolder) {
+        super(context);
+
+        mManager = manager;
+        mTitle = title;
+        mId = id;
+        if (!isCurrentFolder) setOnClickListener(this);
+        setText(mTitle);
+        float density = getResources().getDisplayMetrics().density;
+        int horizontalPadding = Math.round(PADDING_DP * density);
+        setMinHeight(Math.round(getResources().getDimension(R.dimen.bookmark_folder_min_height)));
+        setTextSize(TypedValue.COMPLEX_UNIT_PX,
+                getResources().getDimension(R.dimen.bookmark_folder_text_size));
+        int textColorId = isCurrentFolder ? R.color.light_active_color
+                : R.color.ntp_list_header_subtext;
+        setTextColor(getResources().getColor(textColorId));
+        setGravity(Gravity.CENTER_VERTICAL);
+
+        TypedArray a = context.getTheme().obtainStyledAttributes(new int[] {
+                R.attr.listChoiceBackgroundIndicator });
+        Drawable background = a.getDrawable(0);
+        a.recycle();
+        setBackground(background);
+        setPadding(horizontalPadding, 0, horizontalPadding, 0);
+    }
+
+    @Override
+    public void onClick(View v) {
+        mManager.openFolder(this);
+    }
+
+    /**
+     * @return The folder id.
+     */
+    public BookmarkId getFolderId() {
+        return mId;
+    }
+}