package com.sunvote.xpadapp.base;

import android.Manifest;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.FragmentActivity;
import android.support.v4.content.ContextCompat;
import android.util.DisplayMetrics;
import android.view.KeyEvent;
import android.view.WindowManager;
import android.widget.Toast;

import com.sunvote.util.LogUtil;

public class BaseActivity extends FragmentActivity {
	
	private String TAG = "BaseActivity";
	public static final int FLAG_HOMEKEY_DISPATCHED = 0x80000000; //需要自己定义标志

	private static final int READ_EXTERNAL_STORAGE = 101;
	private static final int WRITE_EXTERNAL_STORAGE = 102;
	private static final int CAMERA = 103;
	private static final int ACCESS_COARSE_LOCATION = 103;

	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		this.getWindow().setFlags(FLAG_HOMEKEY_DISPATCHED, FLAG_HOMEKEY_DISPATCHED);//关键代码
		setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
		getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON, WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
//		if(Build.VERSION.SDK_INT>= Build.VERSION_CODES.KITKAT){
//			getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
//		}
		super.onCreate(savedInstanceState);
		checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE, READ_EXTERNAL_STORAGE);
		checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE);
		checkSelfPermission(Manifest.permission.CAMERA,CAMERA);
		checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION,ACCESS_COARSE_LOCATION);
		getScreenDensity_ByWindowManager();
	}
	
	@Override  
	public boolean onKeyDown(int keyCode, KeyEvent event) {
		LogUtil.i(TAG,"onKeyDown keycode="+keyCode );
	    switch (keyCode) {  
	        case KeyEvent.KEYCODE_BACK:
				LogUtil.i(TAG,"KEYCODE_BACK");
	        return true;  
	        case KeyEvent.KEYCODE_HOME:
                return true;
         
	    }  
	    return super.onKeyDown(keyCode, event);  
	}

	@Override
	public void onAttachedToWindow() {
		super.onAttachedToWindow();
	}

	@Override
	public void onDetachedFromWindow() {
		super.onDetachedFromWindow();
	}



	@Override
    public boolean dispatchKeyEvent(KeyEvent event) {
           //返回true，不响应其他key
	 int keyCode=	event.getKeyCode();
		LogUtil.i(TAG,"dispatchKeyEvent keycode="+keyCode );
		    switch (keyCode) {  
		        case KeyEvent.KEYCODE_BACK:
					LogUtil.i(TAG,"KEYCODE_BACK");
		        return true;  
		        case KeyEvent.KEYCODE_HOME:
		        	if(event.isLongPress()){
		        		moveTaskToBack(false); 
		        	}
	                return true;
	         
		    }  
           return true;
    }


	public boolean checkSelfPermission(String permission, int requestCode) {
		LogUtil.i(getClass().getSimpleName(), "checkSelfPermission " + permission + " " + requestCode);
		if (ContextCompat.checkSelfPermission(this,
				permission)
				!= PackageManager.PERMISSION_GRANTED) {

			ActivityCompat.requestPermissions(this,
					new String[]{permission},
					requestCode);
			return false;
		}
		return true;
	}

	@Override
	public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
		super.onRequestPermissionsResult(requestCode, permissions, grantResults);
		switch (requestCode){
			case WRITE_EXTERNAL_STORAGE:
				if (grantResults.length > 0
						&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {

				} else {
					finish();
				}
				break;
			case READ_EXTERNAL_STORAGE:
				if (grantResults.length > 0
						&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {

				} else {
				}
			case CAMERA:
				if (grantResults.length > 0
						&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {

				} else {
					Toast.makeText(this,"相机权限获取失败!",Toast.LENGTH_SHORT).show();
				}
		}
	}

	public void getScreenDensity_ByWindowManager(){
		DisplayMetrics mDisplayMetrics = new DisplayMetrics();//屏幕分辨率容器
		getWindowManager().getDefaultDisplay().getMetrics(mDisplayMetrics);
		int width = mDisplayMetrics.widthPixels;
		int height = mDisplayMetrics.heightPixels;
		float density = mDisplayMetrics.density;
		int densityDpi = mDisplayMetrics.densityDpi;
//        showToast("Screen Ratio: ["+width+"x"+height+"],density="+density+",densityDpi="+densityDpi);
//        showToast("Screen mDisplayMetrics: "+mDisplayMetrics);
		LogUtil.i(TAG,"Screen Ratio: ["+width+"x"+height+"],density="+density+",densityDpi="+densityDpi);
		LogUtil.i(TAG,"Screen mDisplayMetrics: "+mDisplayMetrics);
	}
}