QuickLook/QuickLook.Plugin/QuickLook.Plugin.ArchiveViewer/Plugin.cs

// Copyright © 2017 Paddy Xu
// 
// This file is part of QuickLook program.
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

using System;
using System.IO;
using System.Linq;
using System.Windows;
using QuickLook.Common.Plugin;

namespace QuickLook.Plugin.ArchiveViewer
{
    public class Plugin : IViewer
    {
        private static readonly string[] Extensions =
            {".rar", ".zip", ".tar", ".tgz", ".gz", ".bz2", ".lz", ".xz", ".7z", ".jar", ".crx", ".nupkg"};

        private ArchiveInfoPanel _panel;

        public int Priority => -5;

        public void Init()
        {
        }

        public bool CanHandle(string path)
        {
            return !Directory.Exists(path) && Extensions.Any(path.ToLower().EndsWith);
        }

        public void Prepare(string path, ContextObject context)
        {
            context.PreferredSize = new Size {Width = 800, Height = 400};
        }

        public void View(string path, ContextObject context)
        {
            _panel = new ArchiveInfoPanel(path);

            context.ViewerContent = _panel;
            context.Title = $"{Path.GetFileName(path)}";

            context.IsBusy = false;
        }

        public void Cleanup()
        {
            GC.SuppressFinalize(this);

            _panel?.Dispose();
            _panel = null;
        }
    }
}