Merge java_staging/src into java/src.

chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkRecyclerView.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkRecyclerView.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkRecyclerView.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkRecyclerView.java
deleted file mode 100644
index e4352d74c281080a5ef1be657aa04c333feaf893..0000000000000000000000000000000000000000
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkRecyclerView.java
+++ /dev/null
@@ -1,161 +0,0 @@
-// 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.enhancedbookmarks;
-
-import android.content.Context;
-import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.Checkable;
-
-import org.chromium.base.VisibleForTesting;
-import org.chromium.chrome.R;
-import org.chromium.components.bookmarks.BookmarkId;
-
-import java.util.List;
-
-/**
- * Container for all bookmark items shown in enhanced bookmark manager.
- */
-public class EnhancedBookmarkRecyclerView extends RecyclerView implements
-        EnhancedBookmarkUIObserver {
-    private static final int MINIMUM_LARGE_TABLET_WIDTH_DP = 720;
-    private static Boolean sIsLargeTablet = null;
-
-    private EnhancedBookmarkDelegate mDelegate;
-    private View mEmptyView;
-
-    /**
-     * @return True if the current device's minimum dimension is larger than 720dp.
-     */
-    static boolean isLargeTablet(Context context) {
-        // TODO(ianwen): move this function to DeviceFormFactor.java in upstream.
-        if (sIsLargeTablet == null) {
-            int minimumScreenWidthDp = context.getResources().getConfiguration()
-                    .smallestScreenWidthDp;
-            sIsLargeTablet = minimumScreenWidthDp >= MINIMUM_LARGE_TABLET_WIDTH_DP;
-        }
-        return sIsLargeTablet;
-    }
-
-    /**
-     * Constructs a new instance of enhanced bookmark recycler view.
-     */
-    public EnhancedBookmarkRecyclerView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-
-        setLayoutManager(new LinearLayoutManager(context));
-        setHasFixedSize(true);
-    }
-
-    /**
-     * Sets the view to be shown if there are no items in adapter.
-     */
-    void setEmptyView(View emptyView) {
-        mEmptyView = emptyView;
-    }
-
-    // RecyclerView implementation
-
-    @Override
-    public void setLayoutParams(android.view.ViewGroup.LayoutParams params) {
-        if (isLargeTablet(getContext())) {
-            int marginPx = getContext().getResources().getDimensionPixelSize(
-                    R.dimen.enhanced_bookmark_list_mode_background_margin);
-            assert params instanceof MarginLayoutParams;
-            ((MarginLayoutParams) params).setMargins(marginPx, marginPx, marginPx, marginPx);
-        }
-
-        super.setLayoutParams(params);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        super.onFinishInflate();
-
-        if (isLargeTablet(getContext())) {
-            setBackgroundResource(R.drawable.eb_large_tablet_list_background);
-        } else {
-            setBackgroundColor(getContext().getResources().getColor(android.R.color.white));
-        }
-    }
-
-    @Override
-    public void setAdapter(final Adapter adapter) {
-        super.setAdapter(adapter);
-        adapter.registerAdapterDataObserver(new AdapterDataObserver() {
-            @Override
-            public void onChanged() {
-                super.onChanged();
-                updateEmptyViewVisibility(adapter);
-            }
-
-            @Override
-            public void onItemRangeInserted(int positionStart, int itemCount) {
-                super.onItemRangeInserted(positionStart, itemCount);
-                updateEmptyViewVisibility(adapter);
-            }
-
-            @Override
-            public void onItemRangeRemoved(int positionStart, int itemCount) {
-                super.onItemRangeRemoved(positionStart, itemCount);
-                updateEmptyViewVisibility(adapter);
-            }
-        });
-        updateEmptyViewVisibility(adapter);
-    }
-
-    @VisibleForTesting
-    @Override
-    public EnhancedBookmarkItemsAdapter getAdapter() {
-        return (EnhancedBookmarkItemsAdapter) super.getAdapter();
-    }
-
-    /**
-     * Unlike ListView or GridView, RecyclerView does not provide default empty
-     * view implementation. We need to check it ourselves.
-     */
-    private void updateEmptyViewVisibility(Adapter adapter) {
-        mEmptyView.setVisibility(adapter.getItemCount() == 0 ? View.VISIBLE : View.GONE);
-    }
-
-    // EnhancedBookmarkUIObserver implementations
-
-    @Override
-    public void onEnhancedBookmarkDelegateInitialized(EnhancedBookmarkDelegate delegate) {
-        mDelegate = delegate;
-        mDelegate.addUIObserver(this);
-
-        EnhancedBookmarkItemsAdapter adapter = new EnhancedBookmarkItemsAdapter(getContext());
-        adapter.onEnhancedBookmarkDelegateInitialized(mDelegate);
-        setAdapter(adapter);
-    }
-
-    @Override
-    public void onDestroy() {
-        mDelegate.removeUIObserver(this);
-    }
-
-    @Override
-    public void onAllBookmarksStateSet() {
-        scrollToPosition(0);
-    }
-
-    @Override
-    public void onFolderStateSet(BookmarkId folder) {
-        scrollToPosition(0);
-    }
-
-    @Override
-    public void onSelectionStateChange(List<BookmarkId> selectedBookmarks) {
-        if (!mDelegate.isSelectionEnabled()) {
-            for (int i = 0; i < getLayoutManager().getChildCount(); ++i) {
-                View child = getLayoutManager().getChildAt(i);
-                if (child instanceof Checkable) ((Checkable) child).setChecked(false);
-            }
-        }
-    }
-}