[List UI Unification] Basic list unification for phones

chrome/android/java/src/org/chromium/chrome/browser/download/ui/DownloadItemView.java

 // 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.download.ui;
 
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.graphics.Bitmap;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.download.DownloadUtils;
 import org.chromium.chrome.browser.widget.MaterialProgressBar;
 import org.chromium.chrome.browser.widget.TintedImageButton;
 import org.chromium.chrome.browser.widget.TintedImageView;
 import org.chromium.chrome.browser.widget.selection.SelectableItemView;
 import org.chromium.ui.UiUtils;
+import org.chromium.ui.base.DeviceFormFactor;
 
 /**
  * The view for a downloaded item displayed in the Downloads list.
  */
 public class DownloadItemView extends SelectableItemView<DownloadHistoryItemWrapper>
         implements ThumbnailProvider.ThumbnailRequest {
     private final int mMargin;
     private final int mIconBackgroundColor;
     private final int mIconBackgroundColorSelected;
     private final ColorStateList mIconForegroundColorList;
@@ skipping 63 matching lines @@
                     mItem.pause();
                 }
             }
         });
         mCancelButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 mItem.cancel();
             }
         });
+
+        if (!DeviceFormFactor.isLargeTablet(getContext())) {
+            setLateralMarginsForDefaultDisplay(mLayoutContainer);
+        }
     }
 
     @Override
     public String getFilePath() {
         return mItem == null ? null : mItem.getFilePath();
     }
 
     @Override
     public void onThumbnailRetrieved(String filePath, Bitmap thumbnail) {
         if (TextUtils.equals(getFilePath(), filePath) && thumbnail != null
@@ skipping 69 matching lines @@
                 mDownloadPercentageView.setText(null);
                 ApiCompatibilityUtils.setMarginEnd(
                         (MarginLayoutParams) mDownloadPercentageView.getLayoutParams(), 0);
             } else {
                 mDownloadPercentageView.setText(
                         DownloadUtils.getPercentageString(item.getDownloadProgress()));
                 ApiCompatibilityUtils.setMarginEnd(
                         (MarginLayoutParams) mDownloadPercentageView.getLayoutParams(), mMargin);
             }
         }
+
+        setBackgroundResourceForGroupPosition(
+                getItem().isFirstInGroup(), getItem().isLastInGroup());
     }
 
     /**
      * @param thumbnail The Bitmap to use for the icon ImageView.
      */
     public void setThumbnailBitmap(Bitmap thumbnail) {
         mThumbnailBitmap = thumbnail;
         updateIconView();
     }
 
@@ skipping 10 matching lines @@
             return true;
         }
     }
 
     @Override
     public void setChecked(boolean checked) {
         super.setChecked(checked);
         updateIconView();
     }
 
+    @Override
+    public void setBackgroundResourceForGroupPosition(
+            boolean isFirstInGroup, boolean isLastInGroup) {
+        if (DeviceFormFactor.isLargeTablet(getContext())) return;
+        super.setBackgroundResourceForGroupPosition(isFirstInGroup, isLastInGroup);
+    }
+
     private void updateIconView() {
         if (isChecked()) {
             mIconView.setBackgroundColor(mIconBackgroundColorSelected);
             mIconView.setImageResource(R.drawable.ic_check_googblue_24dp);
             mIconView.setTint(mIconForegroundColorList);
         } else if (mThumbnailBitmap != null) {
             assert !mThumbnailBitmap.isRecycled();
             mIconView.setBackground(null);
             mIconView.setImageBitmap(mThumbnailBitmap);
             mIconView.setTint(null);
         } else {
             mIconView.setBackgroundColor(mIconBackgroundColor);
             mIconView.setImageResource(mIconResId);
             mIconView.setTint(mIconForegroundColorList);
         }
     }
 
     private void showLayout(View layoutToShow) {
         if (mLayoutCompleted != layoutToShow) UiUtils.removeViewFromParent(mLayoutCompleted);
         if (mLayoutInProgress != layoutToShow) UiUtils.removeViewFromParent(mLayoutInProgress);
 
         if (layoutToShow.getParent() == null) {
             LinearLayout.LayoutParams params =
                     new LinearLayout.LayoutParams(0, LayoutParams.WRAP_CONTENT);
             params.weight = 1;
             mLayoutContainer.addView(layoutToShow, params);
         }
     }
 }