KadecotCoreActivity.java

/*
 * Copyright (C) 2013-2014 Sony Computer Science Laboratories, Inc. All Rights Reserved.
 * Copyright (C) 2014 Sony Corporation. All Rights Reserved.
 */

package com.sonycsl.Kadecot.core;

import android.annotation.SuppressLint;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.graphics.Color;
import android.os.Build;
import android.os.Build.VERSION_CODES;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.Window;
import android.webkit.ConsoleMessage;
import android.webkit.ConsoleMessage.MessageLevel;
import android.webkit.GeolocationPermissions;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.FrameLayout;
import android.widget.Toast;

import com.sonycsl.Kadecot.call.KadecotCall;
import com.sonycsl.Kadecot.call.LocalRequestProcessor;
import com.sonycsl.Kadecot.call.NotificationProcessor;
import com.sonycsl.Kadecot.server.KadecotServerService;
import com.sonycsl.Kadecot.server.ServerBinder;

import org.json.JSONObject;

import java.util.concurrent.Executors;

public class KadecotCoreActivity extends FragmentActivity {
    private static final String TAG = KadecotCoreActivity.class.getSimpleName();

    private final KadecotCoreActivity self = this;

    // layout
    private FrameLayout mMainLayout;

    private WebView mKadecotMyPage;

    private WebView mAppView;

    private KadecotCall mKadecotCall;

    // javascript interface(mKadecotMyPage & mAppView)
    private LocalCoreObject mLocal;

    // javascript interface(mKadecotMyPage)
    private ServerCall mServerCall;

    private UserApp mUserApp;

    // javascript interface(mAppView)
    private MyPageCall mMyPageCall;

    private ExitApp mExitApp;

    private LocalInterface mLocalInterface;

    private ServerBinder mServerBinder;

    private ServiceConnection mServerConn = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            mServerBinder = (ServerBinder) service;
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {
        }
    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);

        // KadecotServerServiceにbind
        Intent intent = new Intent(this, KadecotServerService.class);
        startService(intent);
        bindService(intent, mServerConn, Context.BIND_AUTO_CREATE);

        mKadecotCall =
                new KadecotCall(this, 0, new LocalRequestProcessor(this),
                        new NotificationProcessor(this, 0)) {
                    @Override
                    public void send(JSONObject obj) {
                        StringBuilder builder = new StringBuilder();
                        // builder.append("if(\"kHAPI\" in window){kHAPI.net.callFromServer(");
                        builder
                                .append("if((\"kHAPI\" in window) && (\"net\" in kHAPI) && (\"callFromServer\" in kHAPI.net)){kHAPI.net.callFromServer(");
                        builder.append("\"");
                        // this in String,so we must espace double quotes.
                        String jsonObjStr = obj.toString().replaceAll("\\\\", "\\\\\\\\");
                        jsonObjStr = jsonObjStr.replaceAll("\\\"", "\\\\\"");
                        builder.append(jsonObjStr);
                        builder.append("\"");
                        builder.append(");};");
                        final String script = new String(builder);
                        // System.out.println(script);
                        callJsOnKadecotMyPage(script);
                    }
                };

        mLocal = new LocalCoreObject(self);

        setupLayout();

        // startKadecot();
    }

    @Override
    protected void onDestroy() {
        // TODO Auto-generated method stub
        super.onDestroy();

        unbindService(mServerConn);
    }

    @Override
    protected void onResume() {
        super.onResume();

        if (mServerBinder != null) {
            mServerBinder.reqStartServer();
        }
        mKadecotMyPage.resumeTimers();
        Executors.newSingleThreadExecutor().execute(new Runnable() {
            @Override
            public void run() {
                mKadecotCall.start();
            }
        });
    }

    @Override
    protected void onPause() {
        super.onPause();

        Executors.newSingleThreadExecutor().execute(new Runnable() {
            @Override
            public void run() {
                mKadecotCall.stop();
            }
        });
        mKadecotMyPage.pauseTimers();
        if (mServerBinder != null) {
            mServerBinder.reqStopServer();
        }
    }

    private void setupLayout() {
        // mMainLayout
        mMainLayout = new FrameLayout(this);
        this.setContentView(mMainLayout);

        // mKadecotMyPage
        mKadecotMyPage = new WebView(this);
        setupWebView(mKadecotMyPage);

        mMainLayout.addView(mKadecotMyPage, new FrameLayout.LayoutParams(
                FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT));

        // mAppView
        mAppView = new WebView(this);

        setupWebView(mAppView);
        mAppView.setVisibility(WebView.INVISIBLE);

        mMainLayout.addView(mAppView, 1, new FrameLayout.LayoutParams(
                FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT));

        // JS interface
        mKadecotMyPage.addJavascriptInterface(getLocalObject(), "Local");
        mAppView.addJavascriptInterface(getLocalObject(), "Local");

        mServerCall = new ServerCall(this, getKadecotCall());
        mKadecotMyPage.addJavascriptInterface(mServerCall, "ServerCall");

        mUserApp = new UserApp(this);
        mKadecotMyPage.addJavascriptInterface(mUserApp, "UserApp");

        mMyPageCall = new MyPageCall(this);
        mAppView.addJavascriptInterface(mMyPageCall, "MyPageCall");

        mExitApp = new ExitApp(this);
        mKadecotMyPage.addJavascriptInterface(mExitApp, "ExitApp");

        mLocalInterface = new LocalInterface(this);
        mKadecotMyPage.addJavascriptInterface(mLocalInterface, "LocalInterface");

        mKadecotMyPage.loadUrl("file:///android_asset/boot.html");

    }

    @SuppressWarnings("deprecation")
    @SuppressLint({ "SetJavaScriptEnabled", "NewApi" })
    protected void setupWebView(final WebView webView) {
        webView.setScrollBarStyle(WebView.SCROLLBARS_INSIDE_OVERLAY);
        WebSettings wsets = webView.getSettings();
        wsets.setJavaScriptEnabled(true);
        wsets.setDomStorageEnabled(true);
        wsets.setDatabaseEnabled(true);
        wsets.setDatabasePath(getFilesDir() + "/localstrage");
        // for AJAX.
        // http://stackoverflow.com/questions/11318703/access-control-allow-origin-error-at-android-4-1
        if (Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
            wsets.setAllowUniversalAccessFromFileURLs(true);
        }
        wsets.setGeolocationEnabled(true);
        webView.setBackgroundColor(Color.BLACK);

        webView.setOnLongClickListener(new View.OnLongClickListener() {
            @Override
            public boolean onLongClick(View view) {
                return true;
            } // 長押し選択回避
        });

        webView.setWebChromeClient(new WebChromeClient() {

            @Override
            public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
                Toast.makeText(self, message, Toast.LENGTH_SHORT).show();
                result.confirm();
                return true;
            }

            @Override
            public void onGeolocationPermissionsShowPrompt(String origin,
                    GeolocationPermissions.Callback callback) {
                super.onGeolocationPermissionsShowPrompt(origin, callback);
                callback.invoke(origin, true, false);
            }

            @Override
            public boolean onConsoleMessage(ConsoleMessage consoleMessage) {
                if (consoleMessage.messageLevel() != MessageLevel.ERROR) {
                    return true;
                }
                Log.e(TAG, consoleMessage.message() + " -- From line "
                        + consoleMessage.lineNumber() + " of "
                        + consoleMessage.sourceId());
                return true;
            }

        });

        webView.setWebViewClient(new WebViewClient() {

            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
                view.requestFocus(View.FOCUS_DOWN);
            }

        });

        wsets.setCacheMode(WebSettings.LOAD_NO_CACHE);
        wsets.setAppCacheEnabled(false);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // getMenuInflater().inflate(R.menu.activity_kadecot_core, menu);
        // return true;
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean dispatchKeyEvent(KeyEvent e) {
        if (e.getKeyCode() == KeyEvent.KEYCODE_BACK && e.getAction() == KeyEvent.ACTION_DOWN) {
            if (mAppView.getVisibility() == WebView.VISIBLE) {
                backAtApp();
                return true;
            }
            backAtMyPage();
            return true;
        }
        return super.dispatchKeyEvent(e);
    }

    private void backAtApp() {
        callJsOnKadecotMyPage("kHAPI.onBackBtn('appView')");
    }

    private void backAtMyPage() {
        callJsOnKadecotMyPage("kHAPI.onBackBtn('myPageView')");
    }

    protected void startKadecot() {
        loadUrlOnKadecotMyPage("file:///android_asset/html/index.html");
    }

    public WebView getKadecotMyPage() {
        return mKadecotMyPage;
    }

    public WebView getAppView() {
        return mAppView;
    }

    public void loadUrlOnKadecotMyPage(final String url) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                mKadecotMyPage.loadUrl(url);
            }
        });
    }

    public void loadUrlOnAppView(final String url) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                // System.out.println("url : "+url) ;
                mAppView.loadUrl(url);
            }
        });
    }

    public void callJsOnKadecotMyPage(final String cmd) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                mKadecotMyPage.loadUrl("javascript:" + cmd);
            }
        });
    }

    public void callJsOnAppView(final String cmd) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                mAppView.loadUrl("javascript:" + cmd);
            }
        });
    }

    protected LocalCoreObject getLocalObject() {
        return mLocal;
    }

    protected KadecotCall getKadecotCall() {
        return mKadecotCall;
    }

}