/*
* Copyright (C) 2010-2011 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 android.app.*;
import android.content.DialogInterface;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.view.*;
import android.widget.*;
import org.geometerplus.zlibrary.core.resources.ZLResource;
import org.geometerplus.zlibrary.core.image.ZLImage;
import org.geometerplus.zlibrary.core.image.ZLLoadableImage;
import org.geometerplus.zlibrary.ui.androidfly.image.ZLAndroidImageData;
import org.geometerplus.zlibrary.ui.androidfly.image.ZLAndroidImageManager;
import org.geometerplus.zlibrary.ui.androidfly.R;
import org.geometerplus.fbreader.library.*;
import org.geometerplus.android.fbreader.FBReader;
import org.geometerplus.android.fbreader.BookInfoActivity;
abstract class BaseActivity extends ListActivity {
public static final String SELECTED_BOOK_PATH_KEY = "SelectedBookPath";
private static final int OPEN_BOOK_ITEM_ID = 0;
private static final int SHOW_BOOK_INFO_ITEM_ID = 1;
private static final int ADD_TO_FAVORITES_ITEM_ID = 2;
private static final int REMOVE_FROM_FAVORITES_ITEM_ID = 3;
private static final int DELETE_BOOK_ITEM_ID = 4;
private static final int DELETE_BOOKINFO_ITEM_ID = 5;
protected static final int CHILD_LIST_REQUEST = 0;
protected static final int BOOK_INFO_REQUEST = 1;
protected static final int RESULT_DONT_INVALIDATE_VIEWS = 0;
protected static final int RESULT_DO_INVALIDATE_VIEWS = 1;
static BooksDatabase DatabaseInstance;
static Library LibraryInstance;
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.androidfly.library.UncaughtExceptionHandler(this));
mySelectedBookPath = getIntent().getStringExtra(SELECTED_BOOK_PATH_KEY);
setResult(RESULT_DONT_INVALIDATE_VIEWS);
}
protected void openBook(Book book) {
startActivity(
new Intent(getApplicationContext(), FBReader.class)
.setAction(Intent.ACTION_VIEW)
.putExtra(FBReader.BOOK_PATH_KEY, book.File.getPath())
.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
);
}
//图书操作菜单，打开图书，书文信息，收藏，删除图书
protected void createBookContextMenu(ContextMenu menu, Book book) {
menu.setHeaderTitle(book.getTitle());
menu.add(0, OPEN_BOOK_ITEM_ID, 0, myResource.getResource("openBook").getValue());
menu.add(0, SHOW_BOOK_INFO_ITEM_ID, 0, myResource.getResource("showBookInfo").getValue());
if (LibraryInstance.isBookInFavorites(book)) {
menu.add(0, REMOVE_FROM_FAVORITES_ITEM_ID, 0, myResource.getResource("removeFromFavorites").getValue());
} else {
menu.add(0, ADD_TO_FAVORITES_ITEM_ID, 0, myResource.getResource("addToFavorites").getValue());
}
//删除记录 hym
menu.add(0, DELETE_BOOKINFO_ITEM_ID, 0, myResource.getResource("deleteBookInfo").getValue());
//删除图书
if ((LibraryInstance.getRemoveBookMode(book) & Library.REMOVE_FROM_DISK) != 0) {
menu.add(0, DELETE_BOOK_ITEM_ID, 0, myResource.getResource("deleteBook").getValue());
}
}
protected View createView(View convertView, ViewGroup parent, String name, String summary) {
final View view = (convertView != null) ? convertView :
LayoutInflater.from(parent.getContext()).inflate(R.layout.library_tree_item, parent, false);
((TextView)view.findViewById(R.id.library_tree_item_name)).setText(name);
((TextView)view.findViewById(R.id.library_tree_item_childrenlist)).setText(summary);
return view;
}
private int myCoverWidth = -1;
private int myCoverHeight = -1;
private final Runnable myInvalidateViewsRunnable = new Runnable() {
public void run() {
getListView().invalidateViews();
}
};
protected ImageView getCoverView(View parent) {
if (myCoverWidth == -1) {
parent.measure(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
myCoverHeight = parent.getMeasuredHeight();
myCoverWidth = myCoverHeight * 15 / 32;
parent.requestLayout();
}
final ImageView coverView = (ImageView)parent.findViewById(R.id.library_tree_item_icon);
coverView.getLayoutParams().width = myCoverWidth;
coverView.getLayoutParams().height = myCoverHeight;
coverView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
coverView.requestLayout();
return coverView;
}
protected Bitmap getCoverBitmap(ZLImage cover) {
if (cover == null) {
return null;
}
ZLAndroidImageData data = null;
final ZLAndroidImageManager mgr = (ZLAndroidImageManager)ZLAndroidImageManager.Instance();
if (cover instanceof ZLLoadableImage) {
final ZLLoadableImage img = (ZLLoadableImage)cover;
if (img.isSynchronized()) {
data = mgr.getImageData(img);
} else {
img.startSynchronization(myInvalidateViewsRunnable);
}
} else {
data = mgr.getImageData(cover);
}
return data != null ? data.getBitmap(2 * myCoverWidth, 2 * myCoverHeight) : null;
}
private class BookDeleter implements DialogInterface.OnClickListener {
private final Book myBook;
private final int myMode;
BookDeleter(Book book, int removeMode) {
myBook = book;
myMode = removeMode;
}
public void onClick(DialogInterface dialog, int which) {
deleteBook(myBook, myMode);
setResult(RESULT_DO_INVALIDATE_VIEWS);
}
}
private void tryToDeleteBook(Book book) {
final ZLResource dialogResource = ZLResource.resource("dialog");
final ZLResource buttonResource = dialogResource.getResource("button");
final ZLResource boxResource = dialogResource.getResource("deleteBookBox");
new AlertDialog.Builder(this)
.setTitle(book.getTitle())
.setMessage(boxResource.getResource("message").getValue())
.setIcon(0)
.setPositiveButton(buttonResource.getResource("yes").getValue(), new BookDeleter(book, Library.REMOVE_FROM_DISK))
.setNegativeButton(buttonResource.getResource("no").getValue(), null)
.create().show();
}
private void tryToDeleteBookInfo(Book book) {
final ZLResource dialogResource = ZLResource.resource("dialog");
final ZLResource buttonResource = dialogResource.getResource("button");
final ZLResource boxResource = dialogResource.getResource("deleteBookBoxInfo");
new AlertDialog.Builder(this)
.setTitle(book.getTitle())
.setMessage(boxResource.getResource("message").getValue())
.setIcon(0)
.setPositiveButton(buttonResource.getResource("yes").getValue(), new BookDeleter(book, Library.REMOVE_FROM_LIBRARY))
.setNegativeButton(buttonResource.getResource("no").getValue(), null)
.create().show();
}
protected void deleteBook(Book book, int mode) {
LibraryInstance.removeBook(book, mode);
}
protected void showBookInfo(Book book) {
startActivityForResult(
new Intent(getApplicationContext(), BookInfoActivity.class)
.putExtra(BookInfoActivity.CURRENT_BOOK_PATH_KEY, book.File.getPath()),
BOOK_INFO_REQUEST
);
}
protected boolean onContextItemSelected(int itemId, Book book) {
switch (itemId) {
case OPEN_BOOK_ITEM_ID:
openBook(book);
return true;
case SHOW_BOOK_INFO_ITEM_ID:
showBookInfo(book);
return true;
case ADD_TO_FAVORITES_ITEM_ID:
LibraryInstance.addBookToFavorites(book);
return true;
case REMOVE_FROM_FAVORITES_ITEM_ID:
LibraryInstance.removeBookFromFavorites(book);
getListView().invalidateViews();
return true;
case DELETE_BOOKINFO_ITEM_ID:
tryToDeleteBookInfo(book);
return true;
case DELETE_BOOK_ITEM_ID:
tryToDeleteBook(book);
return true;
}
return false;
}
}