Fetch snippets from ChromeReader and show them on the NTP

chrome/android/java/src/org/chromium/chrome/browser/ntp/NewTabPageView.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.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
@@ skipping 69 matching lines @@
     private View mMostVisitedPlaceholder;
     private View mOptOutView;
     private View mNoSearchLogoSpacer;
     private RecyclerView mSnippetsView;
 
     private OnSearchBoxScrollListener mSearchBoxScrollListener;
 
     private NewTabPageManager mManager;
     private MostVisitedDesign mMostVisitedDesign;
     private MostVisitedItem[] mMostVisitedItems;
-    private SnippetsManager mSnippetsManager;
     private boolean mFirstShow = true;
     private boolean mSearchProviderHasLogo = true;
     private boolean mHasReceivedMostVisitedSites;
     private boolean mPendingSnapScroll;
 
     /**
      * The number of asynchronous tasks that need to complete before the page is done loading.
      * This starts at one to track when the view is finished attaching to the window.
      */
     private int mPendingLoadTasks = 1;
@@ skipping 142 matching lines @@
     /**
      * Initializes the NTP. This must be called immediately after inflation, before this object is
      * used in any other way.
      *
      * @param manager NewTabPageManager used to perform various actions when the user interacts
      *                with the page.
      * @param isSingleUrlBarMode Whether the NTP is in single URL bar mode.
      * @param searchProviderHasLogo Whether the search provider has a logo.
      */
     public void initialize(NewTabPageManager manager, boolean isSingleUrlBarMode,
-            boolean searchProviderHasLogo) {
+            boolean searchProviderHasLogo, SnippetsManager snippetsManager) {
         mManager = manager;
 
         mScrollView = (NewTabScrollView) findViewById(R.id.ntp_scrollview);
         mScrollView.enableBottomShadow(SHADOW_COLOR);
         mContentView = (ViewGroup) findViewById(R.id.ntp_content);
 
         mMostVisitedDesign = new MostVisitedDesign(getContext());
         mMostVisitedLayout = (MostVisitedLayout) findViewById(R.id.most_visited_layout);
         mMostVisitedDesign.initMostVisitedLayout(mMostVisitedLayout, searchProviderHasLogo);
 
@@ skipping 69 matching lines @@
 
         if (mManager.shouldShowOptOutPromo()) showOptOutPromo();
 
         // Set up snippets
         if (CommandLine.getInstance().hasSwitch(ChromeSwitches.ENABLE_NTP_SNIPPETS)) {
             mSnippetsView = (RecyclerView) findViewById(R.id.snippets_card_list);
             mSnippetsView.setVisibility(View.VISIBLE);
             RecordHistogram.recordEnumeratedHistogram(SnippetsManager.SNIPPETS_STATE_HISTOGRAM,
                     SnippetsManager.SNIPPETS_SHOWN, SnippetsManager.NUM_SNIPPETS_ACTIONS);
             mSnippetsView.setLayoutManager(new LinearLayoutManager(getContext()));
-            mSnippetsManager = new SnippetsManager(mManager, mSnippetsView);
             mSnippetsView.addOnScrollListener(new RecyclerView.OnScrollListener() {
                 private boolean mScrolledOnce = false;
                 @Override
                 public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                     if (newState != RecyclerView.SCROLL_STATE_DRAGGING) return;
                     RecordUserAction.record("MobileNTP.Snippets.Scrolled");
                     if (mScrolledOnce) return;
                     mScrolledOnce = true;
                     RecordHistogram.recordEnumeratedHistogram(
                             SnippetsManager.SNIPPETS_STATE_HISTOGRAM,
                             SnippetsManager.SNIPPETS_SCROLLED,
                             SnippetsManager.NUM_SNIPPETS_ACTIONS);
                 }
             });
+            snippetsManager.setSnippetsView(mSnippetsView);
         }
 
         // Set up interests
         if (manager.isInterestsEnabled()) {
             toolbar.getInterestsButton().setVisibility(View.VISIBLE);
         }
     }
 
     private int getTabsMovedIllustration() {
         switch (Build.MANUFACTURER.toLowerCase(Locale.US)) {
@@ skipping 616 matching lines @@
             for (MostVisitedItem item : mMostVisitedItems) {
                 if (item.getUrl().equals(url)) {
                     LargeIconCallback iconCallback = new LargeIconCallbackImpl(item, false);
                     mManager.getLargeIconForUrl(url, mMinIconSize, iconCallback);
                     break;
                 }
             }
         }
     }
 }