The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/home/PanelViewAdapter.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,113 @@
     1.4 +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +package org.mozilla.gecko.home;
    1.10 +
    1.11 +import org.mozilla.gecko.home.HomeConfig.ItemType;
    1.12 +import org.mozilla.gecko.home.HomeConfig.ViewConfig;
    1.13 +import org.mozilla.gecko.home.PanelLayout.FilterManager;
    1.14 +
    1.15 +import org.mozilla.gecko.R;
    1.16 +
    1.17 +import android.content.Context;
    1.18 +import android.database.Cursor;
    1.19 +import android.support.v4.widget.CursorAdapter;
    1.20 +import android.view.View;
    1.21 +import android.view.ViewGroup;
    1.22 +
    1.23 +class PanelViewAdapter extends CursorAdapter {
    1.24 +    private static final int VIEW_TYPE_ITEM = 0;
    1.25 +    private static final int VIEW_TYPE_BACK = 1;
    1.26 +
    1.27 +    private final ViewConfig viewConfig;
    1.28 +    private FilterManager filterManager;
    1.29 +    private final Context context;
    1.30 +
    1.31 +    public PanelViewAdapter(Context context, ViewConfig viewConfig) {
    1.32 +        super(context, null, 0);
    1.33 +        this.context = context;
    1.34 +        this.viewConfig = viewConfig;
    1.35 +    }
    1.36 +
    1.37 +    public void setFilterManager(FilterManager manager) {
    1.38 +        this.filterManager = manager;
    1.39 +    }
    1.40 +
    1.41 +    @Override
    1.42 +    public final int getViewTypeCount() {
    1.43 +        return 2;
    1.44 +    }
    1.45 +
    1.46 +    @Override
    1.47 +    public int getCount() {
    1.48 +        return super.getCount() + (isShowingBack() ? 1 : 0);
    1.49 +    }
    1.50 +
    1.51 +    @Override
    1.52 +    public int getItemViewType(int position) {
    1.53 +        if (isShowingBack() && position == 0) {
    1.54 +            return VIEW_TYPE_BACK;
    1.55 +        } else {
    1.56 +            return VIEW_TYPE_ITEM;
    1.57 +        }
    1.58 +    }
    1.59 +
    1.60 +    @Override
    1.61 +    public final View getView(int position, View convertView, ViewGroup parent) {
    1.62 +        if (convertView == null) {
    1.63 +            convertView = newView(parent.getContext(), position, parent);
    1.64 +        }
    1.65 +
    1.66 +        bindView(convertView, position);
    1.67 +        return convertView;
    1.68 +    }
    1.69 +
    1.70 +    private View newView(Context context, int position, ViewGroup parent) {
    1.71 +        if (getItemViewType(position) == VIEW_TYPE_BACK) {
    1.72 +            return new PanelBackItemView(context, viewConfig.getBackImageUrl());
    1.73 +        } else {
    1.74 +            return PanelItemView.create(context, viewConfig.getItemType());
    1.75 +        }
    1.76 +    }
    1.77 +
    1.78 +    private void bindView(View view, int position) {
    1.79 +        if (isShowingBack()) {
    1.80 +            if (position == 0) {
    1.81 +                final PanelBackItemView item = (PanelBackItemView) view;
    1.82 +                item.updateFromFilter(filterManager.getPreviousFilter());
    1.83 +                return;
    1.84 +            }
    1.85 +
    1.86 +            position--;
    1.87 +        }
    1.88 +
    1.89 +        final Cursor cursor = getCursor(position);
    1.90 +        final PanelItemView item = (PanelItemView) view;
    1.91 +        item.updateFromCursor(cursor);
    1.92 +    }
    1.93 +
    1.94 +    private boolean isShowingBack() {
    1.95 +        return (filterManager != null ? filterManager.canGoBack() : false);
    1.96 +    }
    1.97 +
    1.98 +    private final Cursor getCursor(int position) {
    1.99 +        final Cursor cursor = getCursor();
   1.100 +        if (cursor == null || !cursor.moveToPosition(position)) {
   1.101 +            throw new IllegalStateException("Couldn't move cursor to position " + position);
   1.102 +        }
   1.103 +
   1.104 +        return cursor;
   1.105 +    }
   1.106 +
   1.107 +    @Override
   1.108 +    public final void bindView(View view, Context context, Cursor cursor) {
   1.109 +        // Do nothing.
   1.110 +    }
   1.111 +
   1.112 +    @Override
   1.113 +    public final View newView(Context context, Cursor cursor, ViewGroup parent) {
   1.114 +        return null;
   1.115 +    }
   1.116 +}