efunbox-xyyf-mobile-android/app/src/main/java/com/edufound/mobile/util/ShowDebugUrl.java

package com.edufound.mobile.util;

import android.app.Activity;
import android.app.Dialog;
import android.os.Handler;
import android.os.Handler.Callback;
import android.os.Message;
import android.view.Display;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.EditText;

import com.edufound.mobile.R;
import com.edufound.mobile.main.MainView;

public final class ShowDebugUrl implements Callback {

    private static final int MSG_SHOW_EFKEY = Integer.MIN_VALUE;
    private Handler mHandlerUi = new Handler(this);
    private Handler mHandlerBackground = new Handler(this);
    private static final int[] EFKEY = {KeyEvent.KEYCODE_DPAD_UP, KeyEvent.KEYCODE_DPAD_DOWN,
            KeyEvent.KEYCODE_DPAD_LEFT, KeyEvent.KEYCODE_DPAD_LEFT,
            KeyEvent.KEYCODE_DPAD_UP, KeyEvent.KEYCODE_DPAD_DOWN,
            KeyEvent.KEYCODE_DPAD_RIGHT, KeyEvent.KEYCODE_DPAD_RIGHT};
    private static final int EFKEY_LENGTH = EFKEY.length;
    private static final long INPUT_INTERVAL = 10 * 1000L;
    private long mLastInputTime;
    private int mIndex;
    private static Activity mContext;
    Dialog dialog;
    static MainView mView;

    private void input(int keyCode) {
        if (System.currentTimeMillis() - mLastInputTime > INPUT_INTERVAL) {
            mIndex = 0;
        }
        if (mIndex >= EFKEY_LENGTH || mIndex < 0) {
            mIndex = 0;
        }
        if (EFKEY[mIndex] == keyCode) {
            mLastInputTime = System.currentTimeMillis();
            mIndex++;
            if (mIndex == EFKEY_LENGTH) {
                mHandlerUi.sendEmptyMessage(MSG_SHOW_EFKEY);
            }
        } else {
            mLastInputTime = System.currentTimeMillis();
            mIndex = 0;
        }
    }

    public void show(MainView mview) {
        mView = mview;
        mContext = mView.getActivity();
        Logger.e("ShowDebugUrl Dialog");
        if (dialog == null) {
            dialog = new Dialog(mContext);
            dialog.setContentView(createView());
            Window dialogWindow = dialog.getWindow();
            dialogWindow.setGravity(Gravity.CENTER);
            WindowManager m = mContext.getWindowManager();
            Display d = m.getDefaultDisplay(); // 获取屏幕宽、高用
            WindowManager.LayoutParams p = dialogWindow.getAttributes(); // 获取对话框当前的参数值
            p.height = (int) (d.getHeight() * 0.6);
            p.width = (int) (d.getWidth() * 0.8);
            dialogWindow.setAttributes(p);
            dialog.setTitle("设置");
        }
        dialog.show();
    }

    private View createView() {
        View debugUrl = LayoutInflater.from(mContext).inflate(R.layout.window_debugurl, null);
        final EditText editText = debugUrl.findViewById(R.id.window_debugurl_edit);
        Button btn = debugUrl.findViewById(R.id.window_debugurl_btn);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (editText.getText() == null || editText.getText().equals("")) {
                    return;
                }
                ToastUtil.showToast(editText.getText().toString());
                mView.loadUrl(editText.getText().toString());
            }
        });
        return debugUrl;
    }

    private static final ShowDebugUrl INSTANCE = new ShowDebugUrl();

    public static void dispatchKeyEvent(KeyEvent e, MainView mainview) {
        try {

            mContext = mView.getActivity();
            getInstance().dispathInput(e);
        } catch (final Exception ex) {
            ex.printStackTrace();
        }
    }

    public static ShowDebugUrl getInstance() {
        return INSTANCE;
    }

    private void dispathInput(final KeyEvent e) {
        mHandlerBackground.sendEmptyMessage(e.getKeyCode());
    }

    @Override
    public boolean handleMessage(Message msg) {
        try {
            switch (msg.what) {
                case MSG_SHOW_EFKEY:
//                    show();
                    break;
                default:
                    input(msg.what);
                    break;
            }
        } catch (final Exception ex) {
            ex.printStackTrace();
        }
        return true;
    }

}