ViewerPreferences.java

package com.poqop.document;

import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.net.Uri;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

public class ViewerPreferences
{
    private SharedPreferences sharedPreferences;
    private static final String FULL_SCREEN = "FullScreen";
    private List<Map<String, String>> list;

    public ViewerPreferences(Context context)
    {
        sharedPreferences = context.getSharedPreferences("ViewerPreferences", 0);
    }

    public void setFullScreen(boolean fullscreen)
    {
        final SharedPreferences.Editor editor = sharedPreferences.edit();
        editor.putBoolean(FULL_SCREEN, fullscreen);
        editor.commit();
    }

    public boolean isFullScreen()
    {
        return sharedPreferences.getBoolean(FULL_SCREEN, false);
    }

    public void addRecent(Uri uri)
    {
        SharedPreferences.Editor editor = sharedPreferences.edit();
        editor.putString("recent:" + uri.toString(), uri.toString() + "\n" + System.currentTimeMillis());
        editor.commit();
    }

    public List<Uri> getRecent()
    {
        TreeMap<Long, Uri> treeMap = new TreeMap<Long, Uri>();
        for (String key : sharedPreferences.getAll().keySet())
        {
            if (key.startsWith("recent"))
            {
                String uriPlusDate = sharedPreferences.getString(key, null);
                String[] uriThenDate = uriPlusDate.split("\n");
                treeMap.put(Long.parseLong(uriThenDate.length > 1 ? uriThenDate[1] : "0"), Uri.parse(uriThenDate[0]));
            }
        }
        ArrayList<Uri> list = new ArrayList<Uri>(treeMap.values());
        Collections.reverse(list);
        return list;
    }
    
//    
//    �����ǩ
    public void putYourReads(String pdfPath){
    	SharedPreferences.Editor editor = sharedPreferences.edit();
        editor.putString("readPath", pdfPath);
        editor.commit();
    }
    
   //ȡ��ǩ 
    public String getYourRead(){
    	String pdfPath = sharedPreferences.getString("readPath", ""); 
    	return pdfPath;
    }
    
    //��ӱ���ɫ
    public void putColor(int color){
    	SharedPreferences.Editor editor = sharedPreferences.edit();
    	if(color == 0){
            editor.putInt("color", 0);
    	}else if(color == 1){
    		editor.putInt("color", 1);
    	}
    	editor.commit();
    }
    
    //��ñ���ɫ
    public int getColor(){
    	int color = sharedPreferences.getInt("color", Color.BLACK); 
    	return color;
    }
}