FBReaderJ/src/org/geometerplus/android/fbreader/library/LibraryBaseActivity.java

/*
 * Copyright (C) 2010 Geometer Plus <contact@geometerplus.com>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

package org.geometerplus.android.fbreader.library;

import java.util.List;

import android.app.ListActivity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.util.Log;
import android.view.*;
import android.widget.*;

import org.geometerplus.zlibrary.core.resources.ZLResource;
import org.geometerplus.zlibrary.core.image.ZLImage;

import org.geometerplus.zlibrary.ui.android.image.ZLAndroidImageData;
import org.geometerplus.zlibrary.ui.android.image.ZLAndroidImageManager;

import org.geometerplus.fbreader.tree.FBTree;

import org.geometerplus.zlibrary.ui.android.R;

import org.geometerplus.android.fbreader.tree.ZLAndroidTree;

abstract class LibraryBaseActivity extends ListActivity {
	public static final String SELECTED_BOOK_PATH_KEY = "SelectedBookPath";

	protected final ZLResource myResource = ZLResource.resource("libraryView");
	protected String mySelectedBookPath;

	@Override
	public void onCreate(Bundle icicle) {
		super.onCreate(icicle);
		Thread.setDefaultUncaughtExceptionHandler(new org.geometerplus.zlibrary.ui.android.library.UncaughtExceptionHandler(this));
		mySelectedBookPath = getIntent().getStringExtra(SELECTED_BOOK_PATH_KEY);
	}

	@Override
	public void onListItemClick(ListView listView, View view, int position, long rowId) {
		FBTree tree = ((LibraryAdapter)getListAdapter()).getItem(position);
	}

	protected final class LibraryAdapter extends BaseAdapter {
		private final List<FBTree> myItems;

		public LibraryAdapter(List<FBTree> items) {
			myItems = items;
		}

		public final int getCount() {
			return myItems.size();
		}

		public final FBTree getItem(int position) {
			return myItems.get(position);
		}

		public final long getItemId(int position) {
			return position;
		}

		private int myCoverWidth = -1;
		private int myCoverHeight = -1;

		public View getView(int position, View convertView, final ViewGroup parent) {
			final FBTree tree = getItem(position);
			final View view = (convertView != null) ?  convertView :
				LayoutInflater.from(parent.getContext()).inflate(R.layout.library_ng_tree_item, parent, false);

			((TextView)view.findViewById(R.id.library_ng_tree_item_name)).setText(tree.getName());
			((TextView)view.findViewById(R.id.library_ng_tree_item_childrenlist)).setText(tree.getSecondString());

			if (myCoverWidth == -1) {
				view.measure(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
				myCoverHeight = view.getMeasuredHeight();
				myCoverWidth = myCoverHeight * 15 / 32;
				view.requestLayout();
			}

			final ImageView coverView = (ImageView)view.findViewById(R.id.library_ng_tree_item_icon);
			coverView.getLayoutParams().width = myCoverWidth;
			coverView.getLayoutParams().height = myCoverHeight;
			coverView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
			coverView.requestLayout();

			if (tree instanceof ZLAndroidTree) {
				coverView.setImageResource(((ZLAndroidTree)tree).getCoverResourceId());
			} else {
				Bitmap coverBitmap = null;
				ZLImage cover = tree.getCover();
				if (cover != null) {
					final ZLAndroidImageData data =
						((ZLAndroidImageManager)ZLAndroidImageManager.Instance()).getImageData(cover);
					if (data != null) {
						coverBitmap = data.getBitmap(2 * myCoverWidth, 2 * myCoverHeight);
					}
				}
				if (coverBitmap != null) {
					coverView.setImageBitmap(coverBitmap);
				} else {
					coverView.setImageResource(R.drawable.fbreader);
				}
			}
                
			return view;
		}
	}

	protected class OpenTreeRunnable implements Runnable {
		private final String myTreePath;
		private final String mySelectedBookPath;

		public OpenTreeRunnable(String treePath, String selectedBookPath) {
			myTreePath = treePath;
			mySelectedBookPath = selectedBookPath;
			
			// TODO delete later 
			Log.v(FileManager.FILE_MANAGER_LOG_TAG, "===" + myTreePath + mySelectedBookPath);
		}

		public void run() {
			startActivity(
				new Intent(LibraryBaseActivity.this, LibraryTreeActivity.class)
					.putExtra(SELECTED_BOOK_PATH_KEY, mySelectedBookPath)
					.putExtra(LibraryTreeActivity.TREE_PATH_KEY, myTreePath)
			);
		}
	}
}