Merge java_staging/src into java/src.

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

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkItemsAdapter.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkItemsAdapter.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkItemsAdapter.java
deleted file mode 100644
index 4a194c78ddf92defbaccf04ff1d0e3ab5a055c34..0000000000000000000000000000000000000000
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/enhancedbookmarks/EnhancedBookmarkItemsAdapter.java
+++ /dev/null
@@ -1,329 +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.RecyclerView;
-import android.support.v7.widget.RecyclerView.ViewHolder;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.View.OnLongClickListener;
-import android.view.ViewGroup;
-import android.widget.Checkable;
-
-import org.chromium.base.annotations.SuppressFBWarnings;
-import org.chromium.chrome.R;
-import org.chromium.chrome.browser.BookmarksBridge.BookmarkItem;
-import org.chromium.chrome.browser.BookmarksBridge.BookmarkModelObserver;
-import org.chromium.chrome.browser.enhancedbookmarks.EnhancedBookmarkPromoHeader.PromoHeaderShowingChangeListener;
-import org.chromium.components.bookmarks.BookmarkId;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * BaseAdapter for EnhancedBookmarkItemsContainer. It manages bookmarks to list there.
- */
-class EnhancedBookmarkItemsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> implements
-        EnhancedBookmarkUIObserver, PromoHeaderShowingChangeListener {
-
-    /**
-     * An abstraction for the common functionalities for {@link EnhancedBookmarkFolder} and
-     * {@link EnhancedBookmarkItem}
-     */
-    interface BookmarkGrid extends OnClickListener, Checkable {
-        /**
-         * Sets the bookmarkId the object is holding. Corresponding UI changes might occur.
-         */
-        void setBookmarkId(BookmarkId id);
-
-        /**
-         * @return The bookmark that the object is holding.
-         */
-        BookmarkId getBookmarkId();
-    }
-
-    private static final int PROMO_HEADER_VIEW = 0;
-    private static final int FOLDER_VIEW = 1;
-    private static final int DIVIDER_VIEW = 2;
-    private static final int BOOKMARK_VIEW = 3;
-
-    private EnhancedBookmarkDelegate mDelegate;
-    private Context mContext;
-    private EnhancedBookmarkPromoHeader mPromoHeaderManager;
-
-    private List<List<? extends Object>> mSections;
-    private List<Object> mPromoHeaderSection = new ArrayList<>();
-    private List<Object> mFolderDividerSection = new ArrayList<>();
-    private List<BookmarkId> mFolderSection = new ArrayList<>();
-    private List<Object> mBookmarkDividerSection = new ArrayList<>();
-    private List<BookmarkId> mBookmarkSection = new ArrayList<>();
-
-    private BookmarkModelObserver mBookmarkModelObserver = new BookmarkModelObserver() {
-        @Override
-        public void bookmarkNodeChanged(BookmarkItem node) {
-            int position = getPositionForBookmark(node.getId());
-            if (position >= 0) notifyItemChanged(position);
-        }
-
-        @Override
-        public void bookmarkNodeRemoved(BookmarkItem parent, int oldIndex, BookmarkItem node,
-                boolean isDoingExtensiveChanges) {
-            if (node.isFolder()) {
-                mDelegate.notifyStateChange(EnhancedBookmarkItemsAdapter.this);
-            } else {
-                int deletedPosition = getPositionForBookmark(node.getId());
-                if (deletedPosition >= 0) {
-                    removeItem(deletedPosition);
-                }
-            }
-        }
-
-        @Override
-        public void bookmarkModelChanged() {
-            mDelegate.notifyStateChange(EnhancedBookmarkItemsAdapter.this);
-        }
-    };
-
-    EnhancedBookmarkItemsAdapter(Context context) {
-        mContext = context;
-
-        mSections = new ArrayList<>();
-        mSections.add(mPromoHeaderSection);
-        mSections.add(mFolderDividerSection);
-        mSections.add(mFolderSection);
-        mSections.add(mBookmarkDividerSection);
-        mSections.add(mBookmarkSection);
-    }
-
-    BookmarkId getItem(int position) {
-        return (BookmarkId) getSection(position).get(toSectionPosition(position));
-    }
-
-    private int toSectionPosition(int globalPosition) {
-        int sectionPosition = globalPosition;
-        for (List section : mSections) {
-            if (sectionPosition < section.size()) break;
-            sectionPosition -= section.size();
-        }
-        return sectionPosition;
-    }
-
-    private List<? extends Object> getSection(int position) {
-        int i = position;
-        for (List<? extends Object> section : mSections) {
-            if (i < section.size()) {
-                return section;
-            }
-            i -= section.size();
-        }
-        return null;
-    }
-
-    /**
-     * @return The position of the given bookmark in adapter. Will return -1 if not found.
-     */
-    private int getPositionForBookmark(BookmarkId bookmark) {
-        assert bookmark != null;
-        int position = -1;
-        for (int i = 0; i < getItemCount(); i++) {
-            if (bookmark.equals(getItem(i))) {
-                position = i;
-                break;
-            }
-        }
-        return position;
-    }
-
-    /**
-     * Set folders and bookmarks to show.
-     * @param folders This can be null if there is no folders to show.
-     */
-    private void setBookmarks(List<BookmarkId> folders, List<BookmarkId> bookmarks) {
-        if (folders == null) folders = new ArrayList<BookmarkId>();
-
-        mFolderSection.clear();
-        mFolderSection.addAll(folders);
-        mBookmarkSection.clear();
-        mBookmarkSection.addAll(bookmarks);
-
-        updateDividerSections();
-
-        // TODO(kkimlabs): Animation is disabled due to a performance issue on bookmark undo.
-        //                 http://crbug.com/484174
-        notifyDataSetChanged();
-    }
-
-    private void updateDividerSections() {
-        mFolderDividerSection.clear();
-        mBookmarkDividerSection.clear();
-        if (!mPromoHeaderSection.isEmpty() && !mFolderSection.isEmpty()) {
-            mFolderDividerSection.add(null);
-        }
-        if ((!mPromoHeaderSection.isEmpty() || !mFolderSection.isEmpty())
-                && !mBookmarkSection.isEmpty()) {
-            mBookmarkDividerSection.add(null);
-        }
-    }
-
-    private void removeItem(int position) {
-        List section = getSection(position);
-        assert section == mFolderSection || section == mBookmarkSection;
-        section.remove(toSectionPosition(position));
-        notifyItemRemoved(position);
-    }
-
-    // RecyclerView.Adapter implementation.
-
-    @Override
-    public int getItemCount() {
-        int count = 0;
-        for (List section : mSections) {
-            count += section.size();
-        }
-        return count;
-    }
-
-    @Override
-    public int getItemViewType(int position) {
-        List section = getSection(position);
-
-        if (section == mPromoHeaderSection) {
-            return PROMO_HEADER_VIEW;
-        } else if (section == mFolderDividerSection
-                || section == mBookmarkDividerSection) {
-            return DIVIDER_VIEW;
-        } else if (section == mFolderSection) {
-            return FOLDER_VIEW;
-        } else if (section == mBookmarkSection) {
-            return BOOKMARK_VIEW;
-        }
-
-        assert false : "Invalid position requested";
-        return -1;
-    }
-
-    @Override
-    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        switch (viewType) {
-            case PROMO_HEADER_VIEW:
-                return mPromoHeaderManager.createHolder(parent);
-            case FOLDER_VIEW:
-                EnhancedBookmarkFolder folder = (EnhancedBookmarkFolder) LayoutInflater.from(
-                        parent.getContext()).inflate(R.layout.eb_folder, parent, false);
-                folder.setDelegate(mDelegate);
-                return new ItemViewHolder(folder, mDelegate);
-            case DIVIDER_VIEW:
-                return new ViewHolder(LayoutInflater.from(parent.getContext()).inflate(
-                        R.layout.eb_divider, parent, false)) {};
-            case BOOKMARK_VIEW:
-                EnhancedBookmarkItem item = (EnhancedBookmarkItem) LayoutInflater.from(
-                        parent.getContext()).inflate(R.layout.eb_item, parent, false);
-                item.onEnhancedBookmarkDelegateInitialized(mDelegate);
-                return new ItemViewHolder(item, mDelegate);
-            default:
-                assert false;
-                return null;
-        }
-    }
-
-    @SuppressFBWarnings("BC_UNCONFIRMED_CAST")
-    @Override
-    public void onBindViewHolder(ViewHolder holder, int position) {
-        BookmarkId id = getItem(position);
-        switch (getItemViewType(position)) {
-            case PROMO_HEADER_VIEW:
-                break;
-            case FOLDER_VIEW:
-                ((ItemViewHolder) holder).setBookmarkId(id);
-                break;
-            case DIVIDER_VIEW:
-                break;
-            case BOOKMARK_VIEW:
-                ((ItemViewHolder) holder).setBookmarkId(id);
-                break;
-            default:
-                assert false : "View type not supported!";
-        }
-    }
-
-    // PromoHeaderShowingChangeListener implementation.
-
-    @Override
-    public void onPromoHeaderShowingChanged(boolean isShowing) {
-        mPromoHeaderSection.clear();
-        if (isShowing) mPromoHeaderSection.add(null);
-
-        updateDividerSections();
-        notifyDataSetChanged();
-    }
-
-    // EnhancedBookmarkUIObserver implementations.
-
-    @Override
-    public void onEnhancedBookmarkDelegateInitialized(EnhancedBookmarkDelegate delegate) {
-        mDelegate = delegate;
-        mDelegate.addUIObserver(this);
-        mDelegate.getModel().addModelObserver(mBookmarkModelObserver);
-        mPromoHeaderManager = new EnhancedBookmarkPromoHeader(mContext, this);
-        if (mPromoHeaderManager.isShowing()) mPromoHeaderSection.add(null);
-
-        updateDividerSections();
-    }
-
-    @Override
-    public void onDestroy() {
-        mDelegate.removeUIObserver(this);
-        mDelegate.getModel().removeModelObserver(mBookmarkModelObserver);
-        mPromoHeaderManager.destroy();
-    }
-
-    @Override
-    public void onAllBookmarksStateSet() {
-        setBookmarks(null, mDelegate.getModel().getAllBookmarkIDsOrderedByCreationDate());
-    }
-
-    @Override
-    public void onFolderStateSet(BookmarkId folder) {
-        setBookmarks(mDelegate.getModel().getChildIDs(folder, true, false),
-                mDelegate.getModel().getChildIDs(folder, false, true));
-    }
-
-    @Override
-    public void onSelectionStateChange(List<BookmarkId> selectedBookmarks) {}
-
-    private static class ItemViewHolder extends RecyclerView.ViewHolder implements OnClickListener,
-            OnLongClickListener {
-        private EnhancedBookmarkDelegate mDelegate;
-        private BookmarkGrid mGrid;
-
-        public ItemViewHolder(View view, EnhancedBookmarkDelegate delegate) {
-            super(view);
-            mGrid = (BookmarkGrid) view;
-            mDelegate = delegate;
-            view.setOnClickListener(this);
-            view.setOnLongClickListener(this);
-        }
-
-        public void setBookmarkId(BookmarkId id) {
-            mGrid.setBookmarkId(id);
-            mGrid.setChecked(mDelegate.isBookmarkSelected(mGrid.getBookmarkId()));
-        }
-
-        @Override
-        public boolean onLongClick(View v) {
-            mGrid.setChecked(mDelegate.toggleSelectionForBookmark(mGrid.getBookmarkId()));
-            return true;
-        }
-
-        @Override
-        public void onClick(View v) {
-            if (mDelegate.isSelectionEnabled()) onLongClick(v);
-            else mGrid.onClick(itemView);
-        }
-    }
-
-}