Ntp: show AllDismissedItem when all sections have been dismissed.

chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/AllDismissedItem.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/AllDismissedItem.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/AllDismissedItem.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/AllDismissedItem.java
new file mode 100644
index 0000000000000000000000000000000000000000..4c1cc56c9c6b70cc7a378ec06d88747ebb4f56c6
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/AllDismissedItem.java
@@ -0,0 +1,74 @@
+// Copyright 2016 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.cards;
+
+import android.support.annotation.StringRes;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.TextView;
+
+import org.chromium.chrome.R;
+import org.chromium.chrome.browser.ntp.NewTabPageUma;
+import org.chromium.chrome.browser.ntp.NewTabPageView.NewTabPageManager;
+
+import java.util.Calendar;
+
+/**
+ * Displayed when all suggested content and their sections have been dismissed. Provides a button
+ * to restore the dismissed sections and load new suggestions from the server.
+ */
+public class AllDismissedItem extends SingleItemGroup {
+    @Override
+    public int getType() {
+        return NewTabPageItem.VIEW_TYPE_ALL_DISMISSED;
+    }
+
+    @Override
+    public void onBindViewHolder(NewTabPageViewHolder holder) {
+        assert holder instanceof ViewHolder;
+        ((ViewHolder) holder).onBindViewHolder();
+    }
+
+    /**
+     * ViewHolder for an item of type {@link #VIEW_TYPE_ALL_DISMISSED}.
+     */
+    public static class ViewHolder extends NewTabPageViewHolder {
+        private final TextView mBodyTextView;
+
+        public ViewHolder(
+                ViewGroup root, final NewTabPageManager manager, final NewTabPageAdapter adapter) {
+            super(LayoutInflater.from(root.getContext())
+                            .inflate(R.layout.new_tab_page_all_dismissed, root, false));
+            mBodyTextView = (TextView) itemView.findViewById(R.id.body_text);
+
+            ((Button) itemView.findViewById(R.id.action_button))
+                    .setOnClickListener(new OnClickListener() {
+                        @Override
+                        public void onClick(View v) {
+                            NewTabPageUma.recordAction(
+                                    NewTabPageUma.ACTION_CLICKED_ALL_DISMISSED_REFRESH);
+                            manager.getSuggestionsSource().restoreDismissedCategories();
+                            adapter.resetSections(/*allowEmptySections=*/true);
+                            adapter.reloadSnippets();
+                        }
+                    });
+        }
+
+        public void onBindViewHolder() {
+            int hour = Calendar.getInstance().get(Calendar.HOUR_OF_DAY);
+            @StringRes
+            int messageId = R.string.ntp_all_dismissed_body_text_morning;

[Bernhard Bauer, 2016/10/07 13:46:44]

Move the assignment into an additional else branch at the end, so the compiler
checks that we pick one of the branches?

[Michael van Ouwerkerk, 2016/10/10 16:19:32]

Done.

+            if (hour >= 12 && hour < 17) {
+                messageId = R.string.ntp_all_dismissed_body_text_afternoon;
+            } else if (hour >= 17 && hour <= 23) {
+                messageId = R.string.ntp_all_dismissed_body_text_evening;
+            }
+            mBodyTextView.setText(messageId);
+        }
+    }
+}