The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/home/HomeListView.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,135 @@
     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.R;
    1.12 +import org.mozilla.gecko.home.HomePager.OnUrlOpenListener;
    1.13 +
    1.14 +import android.content.Context;
    1.15 +import android.content.res.TypedArray;
    1.16 +import android.database.Cursor;
    1.17 +import android.graphics.drawable.Drawable;
    1.18 +import android.util.AttributeSet;
    1.19 +import android.view.ContextMenu.ContextMenuInfo;
    1.20 +import android.view.View;
    1.21 +import android.widget.AdapterView;
    1.22 +import android.widget.AdapterView.OnItemLongClickListener;
    1.23 +import android.widget.ListView;
    1.24 +
    1.25 +/**
    1.26 + * HomeListView is a custom extension of ListView, that packs a HomeContextMenuInfo
    1.27 + * when any of its rows is long pressed.
    1.28 + */
    1.29 +public class HomeListView extends ListView
    1.30 +                          implements OnItemLongClickListener {
    1.31 +
    1.32 +    // ContextMenuInfo associated with the currently long pressed list item.
    1.33 +    private HomeContextMenuInfo mContextMenuInfo;
    1.34 +
    1.35 +    // On URL open listener
    1.36 +    protected OnUrlOpenListener mUrlOpenListener;
    1.37 +
    1.38 +    // Top divider
    1.39 +    private boolean mShowTopDivider;
    1.40 +
    1.41 +    // ContextMenuInfo maker
    1.42 +    private HomeContextMenuInfo.Factory mContextMenuInfoFactory;
    1.43 +
    1.44 +    public HomeListView(Context context) {
    1.45 +        this(context, null);
    1.46 +    }
    1.47 +
    1.48 +    public HomeListView(Context context, AttributeSet attrs) {
    1.49 +        this(context, attrs, R.attr.homeListViewStyle);
    1.50 +    }
    1.51 +
    1.52 +    public HomeListView(Context context, AttributeSet attrs, int defStyle) {
    1.53 +        super(context, attrs, defStyle);
    1.54 +
    1.55 +        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.HomeListView, defStyle, 0);
    1.56 +        mShowTopDivider = a.getBoolean(R.styleable.HomeListView_topDivider, false);
    1.57 +        a.recycle();
    1.58 +
    1.59 +        setOnItemLongClickListener(this);
    1.60 +    }
    1.61 +
    1.62 +    @Override
    1.63 +    public void onAttachedToWindow() {
    1.64 +        super.onAttachedToWindow();
    1.65 +
    1.66 +        final Drawable divider = getDivider();
    1.67 +        if (mShowTopDivider && divider != null) {
    1.68 +            final int dividerHeight = getDividerHeight();
    1.69 +            final View view = new View(getContext());
    1.70 +            view.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, dividerHeight));
    1.71 +            addHeaderView(view);
    1.72 +        }
    1.73 +    }
    1.74 +
    1.75 +    @Override
    1.76 +    public void onDetachedFromWindow() {
    1.77 +        super.onDetachedFromWindow();
    1.78 +
    1.79 +        mUrlOpenListener = null;
    1.80 +    }
    1.81 +
    1.82 +    @Override
    1.83 +    public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
    1.84 +        Object item = parent.getItemAtPosition(position);
    1.85 +
    1.86 +        // HomeListView could hold headers too. Add a context menu info only for its children.
    1.87 +        if (item instanceof Cursor) {
    1.88 +            Cursor cursor = (Cursor) item;
    1.89 +            if (cursor == null || mContextMenuInfoFactory == null) {
    1.90 +                mContextMenuInfo = null;
    1.91 +                return false;
    1.92 +            }
    1.93 +
    1.94 +            mContextMenuInfo = mContextMenuInfoFactory.makeInfoForCursor(view, position, id, cursor);
    1.95 +            return showContextMenuForChild(HomeListView.this);
    1.96 +
    1.97 +        } else {
    1.98 +            mContextMenuInfo = null;
    1.99 +            return false;
   1.100 +        }
   1.101 +    }
   1.102 +
   1.103 +    @Override
   1.104 +    public ContextMenuInfo getContextMenuInfo() {
   1.105 +        return mContextMenuInfo;
   1.106 +    }
   1.107 +
   1.108 +    @Override
   1.109 +    public void setOnItemClickListener(final AdapterView.OnItemClickListener listener) {
   1.110 +        if (listener == null) {
   1.111 +            super.setOnItemClickListener(null);
   1.112 +            return;
   1.113 +        }
   1.114 +
   1.115 +        super.setOnItemClickListener(new AdapterView.OnItemClickListener() {
   1.116 +            @Override
   1.117 +            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
   1.118 +                if (mShowTopDivider) {
   1.119 +                    position--;
   1.120 +                }
   1.121 +
   1.122 +                listener.onItemClick(parent, view, position, id);
   1.123 +            }
   1.124 +        });
   1.125 +    }
   1.126 +
   1.127 +    public void setContextMenuInfoFactory(final HomeContextMenuInfo.Factory factory) {
   1.128 +        mContextMenuInfoFactory = factory;
   1.129 +    }
   1.130 +
   1.131 +    public OnUrlOpenListener getOnUrlOpenListener() {
   1.132 +        return mUrlOpenListener;
   1.133 +    }
   1.134 +
   1.135 +    public void setOnUrlOpenListener(OnUrlOpenListener listener) {
   1.136 +        mUrlOpenListener = listener;
   1.137 +    }
   1.138 +}