package org.carelife.creader.bookfile;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.io.UnsupportedEncodingException;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.sql.Date;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Map;
import java.util.Vector;
import org.carelife.creader.bean.BookLineBean;
import org.carelife.creader.dao.UrlHelper;
import org.carelife.creader.util.DesUtil;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Paint.Align;
public class BookPageFactory {
private File book_file = null;
private MappedByteBuffer m_mbBuf = null;
private int m_mbBufLen = 0;
private int m_mbBufBegin = 0;
private int m_mbBufEnd = 0;
private String m_strCharsetName = "GBK";
private int mWidth;
private int mHeight;
private Bitmap m_book_bg_day = null;
private Bitmap m_book_bg_night = null;
private int m_textColor_day = Color.BLACK;
private int m_textColor_night = 0xffd5c9bb;
// private int m_textColor_night = 0xffE6E6FA;
private boolean flag_day = true;
private Vector<BookLineBean> m_lines = new Vector<BookLineBean>();
private int m_fontSize = 24; //Ĭ���ֺ�
private int m_backColor = 0xffff9e85;
private int marginWidth = 15;
private int drawmarginWidth = 17;
private int marginHeight = 20; //������϶
private int marginHeight2 = 35; //�ײ���϶
private int mLineCount;
private float mVisibleHeight;
private float mVisibleWidth;
private boolean m_isfirstPage,m_islastPage;
private Matrix matrix;
private boolean isopenfile = false;
private String book_name ="";
private float level = 1;
private int banner_size = 24;
private int batter_width = 2;
private int batter_c = 27;
private int batter_k = 18;
private int batter_nc = 21;
private int batter_nk = 12;
private int batter_b = 3;
private int batter_tb = 4;
private int batter_tc = 5;
private int batter_tk = 10;
private int m_nLineSpaceing = 0;
private Paint mPaint;
SimpleDateFormat formatter = new SimpleDateFormat ("HH:mm");
private static BookPageFactory instance;
public static BookPageFactory get_Instance(){
if (instance == null){
instance = new BookPageFactory();
}
return instance;
}
public void setScreen(int w, int h){
mWidth = w;
mHeight = h;
int wl = h > w ? w : h;
mVisibleWidth = mWidth - marginWidth * 2;
mVisibleHeight = mHeight - marginHeight - (int) (marginHeight2*((float)wl*0.9/480));
mLineCount = (int) (mVisibleHeight / (m_fontSize+m_nLineSpaceing));
banner_size = (int) (24*((float)wl*0.8/480));
batter_width = (int) (2*((float)wl*0.8/480));
batter_c = (int) (27*((float)wl*0.8/480));
batter_k = (int) (18*((float)wl*0.8/480));
batter_nc = (int) (21*((float)wl*0.8/480));
batter_nk = (int) (12*((float)wl*0.8/480));
batter_b = (int) (3*((float)wl*0.8/480));
batter_tb = (int) (4*((float)wl*0.8/480));
batter_tc = (int) (5*((float)wl*0.8/480));
batter_tk = (int) (10*((float)wl*0.8/480));
}
private BookPageFactory() {
// TODO Auto-generated constructor stub
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setTextAlign(Align.LEFT);
mPaint.setTextSize(m_fontSize);
mPaint.setColor(m_textColor_day);
}
public boolean changefront(int fs){
m_fontSize = fs;
mPaint.setTextSize(m_fontSize);
mLineCount = (int) (mVisibleHeight / (m_fontSize+m_nLineSpaceing));
return true;
}
public void openbook(String strFilePath) throws Exception {
DesUtil ds = new DesUtil(UrlHelper.key_string);
File temp_f = new File(strFilePath);
File temp_dir = new File(temp_f.getParent()+"/temp/");
if(!temp_dir.exists()){
temp_dir.mkdirs();
}
ds.decryptFile(strFilePath, temp_dir.getPath()+"/"+temp_f.getName()+".ds");
book_file = new File(temp_dir.getPath()+"/"+temp_f.getName()+".ds");
long lLen = book_file.length();
m_mbBufLen = (int) lLen;
m_mbBuf = new RandomAccessFile(book_file, "r").getChannel().map(
FileChannel.MapMode.READ_ONLY, 0, lLen);
// book_file.delete();
isopenfile = true;
}
protected byte[] readParagraphBack(int nFromPos) {
int nEnd = nFromPos;
int i;
byte b0, b1;
if (m_strCharsetName.equals("UTF-16LE")) {
i = nEnd - 2;
while (i > 0) {
b0 = m_mbBuf.get(i);
b1 = m_mbBuf.get(i + 1);
if (b0 == 0x0a && b1 == 0x00 && i != nEnd - 2) {
i += 2;
break;
}
i--;
}
} else if (m_strCharsetName.equals("UTF-16BE")) {
i = nEnd - 2;
while (i > 0) {
b0 = m_mbBuf.get(i);
b1 = m_mbBuf.get(i + 1);
if (b0 == 0x00 && b1 == 0x0a && i != nEnd - 2) {
i += 2;
break;
}
i--;
}
} else {
i = nEnd - 1;
while (i > 0) {
b0 = m_mbBuf.get(i);
//0x0a��"\n" 0x0d��"\r"
if (b0 == 0x0a && i != nEnd - 1) {
i++;
break;
}
i--;
}
//fix when i = 0 m_mbBuf.get(0)='\n' make page_up replace fault;
// if(i == 0 && m_mbBuf.get(0) == 0x0a){
// i = 1;
// }
}
if (i < 0)
i = 0;
int nParaSize = nEnd - i;
int j;
byte[] buf = new byte[nParaSize];
for (j = 0; j < nParaSize; j++) {
buf[j] = m_mbBuf.get(i + j);
}
return buf;
}
protected byte[] readParagraphForward(int nFromPos) {
int nStart = nFromPos;
int i = nStart;
byte b0, b1;
if (m_strCharsetName.equals("UTF-16LE")) {
while (i < m_mbBufLen - 1) {
b0 = m_mbBuf.get(i++);
b1 = m_mbBuf.get(i++);
if (b0 == 0x0a && b1 == 0x00) {
break;
}
}
} else if (m_strCharsetName.equals("UTF-16BE")) {
while (i < m_mbBufLen - 1) {
b0 = m_mbBuf.get(i++);
b1 = m_mbBuf.get(i++);
if (b0 == 0x00 && b1 == 0x0a) {
break;
}
}
} else {
while (i < m_mbBufLen) {
b0 = m_mbBuf.get(i++);
if (b0 == 0x0a) {
break;
}
}
}
int nParaSize = i - nStart;
byte[] buf = new byte[nParaSize];
for (i = 0; i < nParaSize; i++) {
buf[i] = m_mbBuf.get(nFromPos + i);
}
return buf;
}
protected Vector<BookLineBean> pageDown() {
// System.out.println("down ---begin ="+m_mbBufBegin);
String strParagraph = "";
Vector<BookLineBean> lines = new Vector<BookLineBean>();
while (lines.size() < mLineCount && m_mbBufEnd < m_mbBufLen) {
byte[] paraBuf = readParagraphForward(m_mbBufEnd); // ȡ��һ��
m_mbBufEnd += paraBuf.length;
try {
strParagraph = new String(paraBuf, m_strCharsetName);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String strReturn = "";
if (strParagraph.indexOf("\r\n") != -1) {
strReturn = "\r\n";
strParagraph = strParagraph.replaceAll("\r\n", "");
} else if (strParagraph.indexOf("\n") != -1) {
strReturn = "\n";
strParagraph = strParagraph.replaceAll("\n", "");
}
//�������еĿ���
if (strParagraph.length() == 0) {
lines.add(new BookLineBean(strParagraph,0,0));
}
while (strParagraph.length() > 0) {
strParagraph = strParagraph.replaceAll("\t", " ");
int nSize = mPaint.breakText(strParagraph, true, mVisibleWidth,
null);
int usedWidth = (int) mPaint.measureText(strParagraph.substring(0, nSize));
lines.add(new BookLineBean(strParagraph.substring(0, nSize),nSize,usedWidth));
strParagraph = strParagraph.substring(nSize);
if (lines.size() >= mLineCount) {
break;
}
}
if (strParagraph.length() != 0) {
try {
m_mbBufEnd -= (strParagraph + strReturn)
.getBytes(m_strCharsetName).length;
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
// System.out.println("down ---end ="+m_mbBufEnd);
return lines;
}
protected void pageUp() {
if (m_mbBufBegin < 0)
m_mbBufBegin = 0;
Vector<String> lines = new Vector<String>();
String strParagraph = "";
while (lines.size() < mLineCount && m_mbBufBegin > 0) {
Vector<String> paraLines = new Vector<String>();
byte[] paraBuf = readParagraphBack(m_mbBufBegin);
//fix i = 0 bug
if(paraBuf.length == 0){
break;
}
m_mbBufBegin -= paraBuf.length;
try {
strParagraph = new String(paraBuf, m_strCharsetName);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
strParagraph = strParagraph.replaceAll("\r\n", "");
strParagraph = strParagraph.replaceAll("\n", "");
if (strParagraph.length() == 0) {
//����
paraLines.add(strParagraph);
}
while (strParagraph.length() > 0) {
int nSize = mPaint.breakText(strParagraph, true, mVisibleWidth,
null);
paraLines.add(strParagraph.substring(0, nSize));
strParagraph = strParagraph.substring(nSize);
}
lines.addAll(0, paraLines);
}
while (lines.size() > mLineCount) {
try {
m_mbBufBegin += lines.get(0).getBytes(m_strCharsetName).length;
lines.remove(0);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
m_mbBufEnd = m_mbBufBegin;
return;
}
public boolean cheakpage_begin(){
if (m_mbBufBegin <= 0){
return true;
}
return false;
}
public boolean cheakpage_end(){
if (m_mbBufEnd >= m_mbBufLen){
return true;
}
return false;
}
public void set_book_name(String n){
book_name = n;
return;
}
public String get_book_name(){
return book_name;
}
public void prePage() throws IOException {
//fix i=0 bug
if (m_mbBufBegin <= 0) {
m_mbBufBegin = 0;
m_isfirstPage=true;
return;
}else m_isfirstPage=false;
m_lines.clear();
pageUp();
m_lines = pageDown();
}
public void nextPage() throws IOException {
if (m_mbBufEnd >= m_mbBufLen) {
m_islastPage=true;
return;
}else m_islastPage=false;
m_lines.clear();
m_mbBufBegin = m_mbBufEnd;
m_lines = pageDown();
}
public void refreshpage(){
m_mbBufEnd = m_mbBufBegin;
m_lines.clear();
m_lines = pageDown();
}
public File getBookFile(){
return book_file;
}
public void delBookFile(){
if(book_file != null){
book_file.delete();
}
return;
}
public void refreshchapter(){
m_mbBufEnd = 0;
m_mbBufBegin = 0;
m_lines.clear();
m_lines = pageDown();
}
public void Destory(){
if(m_mbBuf != null){
m_mbBuf.clear();
m_mbBuf = null;
}
if(book_file != null){
book_file.delete();
book_file = null;
}
m_mbBufLen = 0;
m_mbBufBegin = 0;
m_mbBufEnd = 0;
m_lines.clear();
}
public void onDraw(Canvas c) {
if (m_lines.size() == 0)
m_lines = pageDown();
if (m_lines.size() > 0) {
if(flag_day){
if (m_book_bg_day == null)
c.drawColor(m_backColor);
matrix = new Matrix();
matrix.postScale(((float)mWidth/m_book_bg_day.getWidth()), ((float)mHeight/m_book_bg_day.getHeight()));
c.drawBitmap(m_book_bg_day, matrix, null);
mPaint.setColor(m_textColor_day);
}else{
if (m_book_bg_night == null)
c.drawColor(m_backColor);
matrix = new Matrix();
matrix.postScale(((float)mWidth/m_book_bg_night.getWidth()), ((float)mHeight/m_book_bg_night.getHeight()));
c.drawBitmap(m_book_bg_night, matrix, null);
mPaint.setColor(m_textColor_night);
}
int y = marginHeight;
for (int i = 0 ;i < m_lines.size() ; i++){
y += m_fontSize+m_nLineSpaceing;
int usedwidth = m_lines.get(i).width;
String str = m_lines.get(i).str;
if(usedwidth < mVisibleWidth - m_fontSize||mVisibleWidth == usedwidth){
c.drawText(str, marginWidth, y, mPaint);
continue;
}
float block_size = ((float)mVisibleWidth - (float)usedwidth)/(float)(m_lines.get(i).size - 1);
float x = marginWidth;
for(int j = 0; j < str.length() ; j++){
String temp_str = str.subSequence(j, j+1).toString();
c.drawText(temp_str, x, y, mPaint);
x += block_size + mPaint.measureText(temp_str);
}
}
}else{
if(flag_day){
if (m_book_bg_day == null)
c.drawColor(m_backColor);
matrix = new Matrix();
matrix.postScale(((float)mWidth/m_book_bg_day.getWidth()), ((float)mHeight/m_book_bg_day.getHeight()));
c.drawBitmap(m_book_bg_day, matrix, null);
mPaint.setColor(m_textColor_day);
}else{
if (m_book_bg_night == null)
c.drawColor(m_backColor);
matrix = new Matrix();
matrix.postScale(((float)mWidth/m_book_bg_night.getWidth()), ((float)mHeight/m_book_bg_night.getHeight()));
c.drawBitmap(m_book_bg_night, matrix, null);
mPaint.setColor(m_textColor_night);
}
}
mPaint.setTextSize(banner_size);
float fPercent = (float) (m_mbBufBegin * 1.0 / (m_mbBufLen == 0 ? 1 : m_mbBufLen));
DecimalFormat df = new DecimalFormat("#0");
String strPercent = df.format(fPercent * 100) + "%";
int nPercentWidth = (int) mPaint.measureText("999.9%") + 1;
c.drawText(book_name, mWidth/2-(book_name.length()*banner_size/2), mHeight - 6, mPaint);
c.drawText(strPercent, mWidth - nPercentWidth, mHeight - 6, mPaint);
//�����
mPaint.setStyle(Paint.Style.STROKE);//����
mPaint.setStrokeWidth(batter_width);
c.drawRect(drawmarginWidth ,mHeight-6-batter_k,drawmarginWidth +batter_c,mHeight-6,mPaint);
mPaint.setStyle(Paint.Style.FILL); //ʵ��
c.drawRect(drawmarginWidth +batter_c,mHeight-6-batter_tb-batter_tk,drawmarginWidth +batter_c+batter_tc,mHeight-6-batter_tb,mPaint);
c.drawRect(drawmarginWidth +batter_b,mHeight-6-batter_b-batter_nk,drawmarginWidth +batter_b+batter_nc*level,mHeight-6-batter_b,mPaint);
//��ʱ��
Date curDate = new Date(System.currentTimeMillis());//��ȡ��ǰʱ��
String time_str = formatter.format(curDate);
c.drawText(time_str, drawmarginWidth +batter_c+batter_tc + 5, mHeight - 6, mPaint);
mPaint.setTextSize(m_fontSize);
}
private String String(char c) {
// TODO Auto-generated method stub
return null;
}
public int get_percent_num(){
float fPercent = (float) (m_mbBufBegin * 1.0 / (m_mbBufLen == 0 ? 1 : m_mbBufLen));
DecimalFormat df = new DecimalFormat("#0");
return Integer.valueOf(df.format(fPercent * 100));
}
public String get_percent(){
float fPercent = (float) (m_mbBufBegin * 1.0 / (m_mbBufLen == 0 ? 1 : m_mbBufLen));
DecimalFormat df = new DecimalFormat("#0");
String strPercent = df.format(fPercent * 100) + "%";
return strPercent;
}
public void set_m_mbBufBegin_bypercent(int percent){
m_lines.clear();
int s_m_mbBufBegin = m_mbBufLen * percent / 100;
m_mbBufBegin = s_m_mbBufBegin;
byte[] paraBuf = readParagraphBack(m_mbBufBegin);
m_mbBufBegin -= paraBuf.length;
m_mbBufEnd = m_mbBufBegin;
//��������
paraBuf = readParagraphForward(m_mbBufEnd); // ȡ��һ��
m_mbBufEnd += paraBuf.length;
int temp_percent = (s_m_mbBufBegin - m_mbBufBegin) * 100 /( m_mbBufEnd - m_mbBufBegin);
String temp_str = null;
try {
temp_str = new String(paraBuf, m_strCharsetName);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
int index = temp_str.length() * temp_percent / 100;
temp_str = temp_str.substring(index);
if (temp_str.length() != 0) {
try {
m_mbBufEnd -= temp_str
.getBytes(m_strCharsetName).length;
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
m_mbBufBegin = m_mbBufEnd;
}
public void set_m_mbBufBegin(int s_m_mbBufBegin){
m_lines.clear();
m_mbBufBegin = s_m_mbBufBegin;
m_mbBufEnd = s_m_mbBufBegin;
}
public int get_m_mbBufBegin(){
return m_mbBufBegin;
}
public void setBgBitmap_day(Bitmap BG) {
m_book_bg_day = BG;
}
public void setBgBitmap_night(Bitmap BG) {
m_book_bg_night = BG;
}
public void changeMode(){
if (flag_day){
flag_day = false;
}else{
flag_day = true;
}
return;
}
public boolean getMode(){
return flag_day;
}
public void setMode(boolean flagd){
flag_day = flagd;
return;
}
public boolean isfirstPage() {
return m_isfirstPage;
}
public boolean islastPage() {
return m_islastPage;
}
public boolean get_isopenfile(){
return isopenfile;
}
public void set_null(){
isopenfile = false;
return;
}
public MappedByteBuffer get_m_mbBuf(){
return m_mbBuf;
}
public int get_m_mbBufLen(){
return m_mbBufLen;
}
//��ҳ�ã���һ����һ����
public void chapter_down_copy(Pre_BookPageFactory book){
// if(m_mbBuf != null){
// m_mbBuf.clear();
// }
m_mbBuf = book.get_m_mbBuf();
m_mbBufLen = book.get_m_mbBufLen();
book_file = book.getBookFile();
clear_chapter();
return;
}
//��ǰ��ҳ��
public void chapter_up_copy(Pre_BookPageFactory book) throws IOException{
// if(m_mbBuf != null){
// m_mbBuf.clear();
// }
m_mbBuf = book.get_m_mbBuf();
m_mbBufLen = book.get_m_mbBufLen();
book_file = book.getBookFile();
clear_chapter();
tolastpage();
return;
}
public void clear_chapter(){
m_mbBufEnd = 0;
m_mbBufBegin = 0;
m_lines.clear();
m_isfirstPage = true;
m_islastPage = false;
return;
}
public void tolastpage() throws IOException{
m_mbBufEnd = 0;
m_mbBufBegin = 0;
while(true){
if(islastPage()){
break;
}
nextPage();
}
return;
}
public void setlevel(float l_temp){
level = l_temp;
return;
}
public void set_fontcolor_day(int color){
this.m_textColor_day = color;
mPaint.setColor(m_textColor_day);
// System.out.println(m_textColor_day);
return;
}
public void setm_nLineSpaceing(int lineblock){
m_nLineSpaceing = lineblock;
changefront(m_fontSize);
return;
}
}