Add feature for condensed NTP tiles.

chrome/android/java/src/org/chromium/chrome/browser/suggestions/TileGroup.java

 // Copyright 2017 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.suggestions;
 
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
@@ skipping 175 matching lines @@
     public void startObserving(int maxResults) {
         mTileGroupDelegate.setMostVisitedSitesObserver(this, maxResults);
     }
 
     /**
      * Renders tile views in the given {@link TileGridLayout}, reusing existing tile views where
      * possible because view inflation and icon loading are slow.
      * @param tileGridLayout The layout to render the tile views into.
      * @param trackLoadTasks Whether to track load tasks.
      * @param titleLines The number of text lines to use for each tile title.
+     * @param condensed Whether to use a condensed layout.
      */
-    public void renderTileViews(
-            TileGridLayout tileGridLayout, boolean trackLoadTasks, int titleLines) {
+    public void renderTileViews(TileGridLayout tileGridLayout, boolean trackLoadTasks,
+            int titleLines, boolean condensed) {
         // Map the old tile views by url so they can be reused later.
         Map<String, TileView> oldTileViews = new HashMap<>();
         int childCount = tileGridLayout.getChildCount();
         for (int i = 0; i < childCount; i++) {
             TileView tileView = (TileView) tileGridLayout.getChildAt(i);
             oldTileViews.put(tileView.getTile().getUrl(), tileView);
         }
 
         // Remove all views from the layout because even if they are reused later they'll have to be
         // added back in the correct order.
@@ skipping 13 matching lines @@
 
                     tileGridLayout.addView(oldTileView);
 
                     // Re-render the icon because it may not have been painted when re-added.
                     oldTileView.renderIcon();
                     continue;
                 }
             }
 
             // No view was reused, create a new one.
-            TileView tileView = buildTileView(tile, tileGridLayout, trackLoadTasks, titleLines);
+            TileView tileView =
+                    buildTileView(tile, tileGridLayout, trackLoadTasks, titleLines, condensed);
 
             tileView.setOnClickListener(new OnClickListener() {
                 @Override
                 public void onClick(View view) {
                     mTileGroupDelegate.openMostVisitedItem(WindowOpenDisposition.CURRENT_TAB, tile);
                 }
             });
 
             tileView.setOnCreateContextMenuListener(new OnCreateContextMenuListener() {
                 @Override
@@ skipping 56 matching lines @@
         if (isInitialLoad) mObserver.onLoadTaskCompleted();
         mObserver.onTileDataChanged();
     }
 
     /**
      * Inflates a new tile view, initializes it, and loads an icon for it.
      * @param tile The tile that holds the data to populate the new tile view.
      * @param parentView The parent of the new tile view.
      * @param trackLoadTask Whether to track a load task.
      * @param titleLines The number of text lines to use for each tile title.
+     * @param condensed Whether to use a condensed layout.
      * @return The new tile view.
      */
-    private TileView buildTileView(
-            Tile tile, ViewGroup parentView, boolean trackLoadTask, int titleLines) {
+    private TileView buildTileView(Tile tile, ViewGroup parentView, boolean trackLoadTask,
+            int titleLines, boolean condensed) {
         TileView tileView = (TileView) LayoutInflater.from(parentView.getContext())
                                     .inflate(R.layout.tile_view, parentView, false);
-        tileView.initialize(tile, titleLines);
+        tileView.initialize(tile, titleLines, condensed);
 
         LargeIconCallback iconCallback = new LargeIconCallbackImpl(tile, trackLoadTask);
         if (trackLoadTask) mObserver.onLoadTaskAdded();
         if (!loadWhitelistIcon(tile, iconCallback)) {
             mUiDelegate.getLargeIconForUrl(tile.getUrl(), mMinIconSize, iconCallback);
         }
 
         return tileView;
     }
 
@@ skipping 38 matching lines @@
                 roundedIcon.setAntiAlias(true);
                 roundedIcon.setFilterBitmap(true);
                 mTile.setIcon(roundedIcon);
                 mTile.setType(MostVisitedTileType.ICON_REAL);
             }
             mObserver.onTileIconChanged(mTile);
             if (mTrackLoadTask) mObserver.onLoadTaskCompleted();
         }
     }
 }