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API enhancements

This commit is contained in:
Nikolay Pultsin 2011-06-19 14:02:10 +01:00
parent 37924e0072
commit 9296cef55e
6 changed files with 95 additions and 30 deletions

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@ -1,126 +0,0 @@
/*
* Copyright (C) 2009-2011 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.api;
import org.geometerplus.zlibrary.core.library.ZLibrary;
import org.geometerplus.zlibrary.text.view.*;
import org.geometerplus.fbreader.fbreader.FBReaderApp;
public class ApiImplementation extends ApiInterface.Stub implements ApiMethods {
private final FBReaderApp myReader = (FBReaderApp)FBReaderApp.Instance();
@Override
public ApiObject request(int method, ApiObject[] parameters) {
try {
switch (method) {
case GET_FBREADER_VERSION:
return ApiObject.envelope(
ZLibrary.Instance().getVersionName()
);
case GET_BOOK_LANGUAGE:
return ApiObject.envelope(
myReader.Model.Book.getLanguage()
);
case GET_BOOK_TITLE:
return ApiObject.envelope(
myReader.Model.Book.getTitle()
);
case GET_PARAGRAPHS_NUMBER:
return ApiObject.envelope(getParagraphsNumber());
case GET_ELEMENTS_NUMBER:
return ApiObject.envelope(getElementsNumber(
((ApiObject.Integer)parameters[0]).Value
));
case GET_PARAGRAPH_TEXT:
return ApiObject.envelope(getParagraphText(
((ApiObject.Integer)parameters[0]).Value
));
case GET_PAGE_START:
return getTextPosition(myReader.getTextView().getStartCursor());
case GET_PAGE_END:
return getTextPosition(myReader.getTextView().getEndCursor());
case IS_PAGE_END_OF_SECTION:
return ApiObject.envelope(isPageEndOfSection());
case IS_PAGE_END_OF_TEXT:
return ApiObject.envelope(isPageEndOfText());
case SET_PAGE_START:
setPageStart(
(TextPosition)parameters[0]
);
return ApiObject.Void.Instance;
default:
return new ApiObject.Error("Unsupported method code: " + method);
}
} catch (Throwable e) {
return new ApiObject.Error("Exception in method " + method + ": " + e);
}
}
private TextPosition getTextPosition(ZLTextWordCursor cursor) {
return new TextPosition(
cursor.getParagraphIndex(),
cursor.getElementIndex(),
cursor.getCharIndex()
);
}
private boolean isPageEndOfSection() {
final ZLTextWordCursor cursor = myReader.getTextView().getEndCursor();
return cursor.isEndOfParagraph() && cursor.getParagraphCursor().isEndOfSection();
}
private boolean isPageEndOfText() {
final ZLTextWordCursor cursor = myReader.getTextView().getEndCursor();
return cursor.isEndOfParagraph() && cursor.getParagraphCursor().isLast();
}
private void setPageStart(TextPosition position) {
myReader.getTextView().gotoPosition(position.ParagraphIndex, position.ElementIndex, position.CharIndex);
myReader.getViewWidget().repaint();
}
private int getParagraphsNumber() {
return myReader.Model.BookTextModel.getParagraphsNumber();
}
private int getElementsNumber(int paragraphIndex) {
final ZLTextWordCursor cursor = new ZLTextWordCursor(myReader.getTextView().getStartCursor());
cursor.moveToParagraph(paragraphIndex);
cursor.moveToParagraphEnd();
return cursor.getElementIndex();
}
private String getParagraphText(int paragraphIndex) {
final StringBuffer sb = new StringBuffer();
final ZLTextWordCursor cursor = new ZLTextWordCursor(myReader.getTextView().getStartCursor());
cursor.moveToParagraph(paragraphIndex);
cursor.moveToParagraphStart();
while (!cursor.isEndOfParagraph()) {
ZLTextElement element = cursor.getElement();
if (element instanceof ZLTextWord) {
sb.append(element.toString() + " ");
}
cursor.nextWord();
}
return sb.toString();
}
}