package com.android.systemui.screenshot;

import android.app.Service;

import android.content.Intent;

import android.os.Handler;

import android.os.IBinder;

import android.os.Message;

import android.os.Messenger;

import android.os.RemoteException;

import android.os.UserManager;

import android.util.Log;

import android.view.WindowManager;

public class TakeScreenshotService extends Service {

    private static final String TAG = "TakeScreenshotService";

    private static GlobalScreenshot mScreenshot;

    private Handler mHandler = new Handler() {

        @Override

        public void handleMessage(Message msg) {

            final Messenger callback = msg.replyTo;

            Runnable finisher = new Runnable() {

                @Override

                public void run() {

                    Message reply = Message.obtain(null, 1);

                    try {

                        callback.send(reply);

                    } catch (RemoteException e) {

                    }

                }

            };

            // If the storage for this user is locked, we have no place to store

            // the screenshot, so skip taking it instead of showing a misleading

            // animation and error notification.

            if (!getSystemService(UserManager.class).isUserUnlocked()) {

                Log.w(TAG, "Skipping screenshot because storage is locked!");

                post(finisher);

                return;

            }

            if (mScreenshot == null) {

                mScreenshot = new GlobalScreenshot(TakeScreenshotService.this);

            }

            switch (msg.what) {

                case WindowManager.TAKE_SCREENSHOT_FULLSCREEN:

                    mScreenshot.takeScreenshot(finisher, msg.arg1 > 0, msg.arg2 > 0);

                    break;

                case WindowManager.TAKE_SCREENSHOT_SELECTED_REGION:

                    mScreenshot.takeScreenshotPartial(finisher, msg.arg1 > 0, msg.arg2 > 0);

                    break;

            }

        }

    };

    @Override

    public IBinder onBind(Intent intent) {

        return new Messenger(mHandler).getBinder();

    }

    @Override

    public boolean onUnbind(Intent intent) {

        if (mScreenshot != null) mScreenshot.stopScreenshot();

        return true;

    }

}