Remove deprecated WebRuntime code

/*

 * Copyright (C) 2010 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package android.webruntime;

import android.app.Activity;

import android.content.Intent;

import android.content.ComponentName;

import android.content.pm.ActivityInfo;

import android.content.pm.PackageManager;

import android.content.res.Resources;

import android.net.Uri;

import android.os.Bundle;

import android.util.Log;

import android.view.KeyEvent;

import android.view.Menu;

import android.view.View;

import android.view.Window;

import android.webkit.GeolocationPermissions;

import android.webkit.WebChromeClient;

import android.webkit.WebView;

import android.webkit.WebViewClient;

import android.widget.ImageView;

import android.widget.Toast;

import com.android.internal.R;

import java.net.MalformedURLException;

import java.net.URL;

/**

 * The runtime used to display installed web applications.

 * @hide

 */

public class WebRuntimeActivity extends Activity

{

    private final static String LOGTAG = "WebRuntimeActivity";

    private WebView mWebView;

    private URL mBaseUrl;

    private ImageView mSplashScreen;

    public static class SensitiveFeatures {

        // All of the sensitive features

        private boolean mGeolocation;

        // On Android, the Browser doesn't prompt for database access, so we don't require an

        // explicit permission here in the WebRuntimeActivity, and there's no Android system

        // permission required for it either.

        //private boolean mDatabase;

        public boolean getGeolocation() {

            return mGeolocation;

        }

        public void setGeolocation(boolean geolocation) {

            mGeolocation = geolocation;

        }

    }

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState)

    {

        super.onCreate(savedInstanceState);

        // Can't get meta data using getApplicationInfo() as it doesn't pass GET_META_DATA

        PackageManager packageManager = getPackageManager();

        ComponentName componentName = new ComponentName(this, getClass());

        ActivityInfo activityInfo = null;

        try {

            activityInfo = packageManager.getActivityInfo(componentName, PackageManager.GET_META_DATA);

        } catch (PackageManager.NameNotFoundException e) {

            Log.d(LOGTAG, "Failed to find component");

            return;

        }

        if (activityInfo == null) {

            Log.d(LOGTAG, "Failed to get activity info");

            return;

        }

        Bundle metaData = activityInfo.metaData;

        if (metaData == null) {

            Log.d(LOGTAG, "No meta data");

            return;

        }

        String url = metaData.getString("android.webruntime.url");

        if (url == null) {

            Log.d(LOGTAG, "No URL");

            return;

        }

        try {

            mBaseUrl = new URL(url);

        } catch (MalformedURLException e) {

            Log.d(LOGTAG, "Invalid URL");

        }

        // All false by default, and reading non-existent bundle properties gives false too.

        final SensitiveFeatures sensitiveFeatures = new SensitiveFeatures();

        sensitiveFeatures.setGeolocation(metaData.getBoolean("android.webruntime.SensitiveFeaturesGeolocation"));

        getWindow().requestFeature(Window.FEATURE_NO_TITLE);

        setContentView(R.layout.web_runtime);

        mWebView = (WebView) findViewById(R.id.webview);

        mSplashScreen = (ImageView) findViewById(R.id.splashscreen);

        mSplashScreen.setImageResource(

                getResources().getIdentifier("splash_screen", "drawable", getPackageName()));

        mWebView.getSettings().setJavaScriptEnabled(true);

        mWebView.setWebViewClient(new WebViewClient() {

            @Override

            public boolean shouldOverrideUrlLoading(WebView view, String url) {

                try {

                    URL newOrigin = new URL(url);

                    if (areSameOrigin(mBaseUrl, newOrigin)) {

                        // If simple same origin test passes, load in the webview.

                        return false;

                    }

                } catch(MalformedURLException e) {

                    // Don't load anything if this wasn't a proper URL.

                    return true;

                }

                // Otherwise this is a URL that is not same origin so pass it to the

                // Browser to load.

                startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));

                return true;

            }

            @Override

            public void onPageFinished(WebView view, String url) {

                if (mSplashScreen != null && mSplashScreen.getVisibility() == View.VISIBLE) {

                    mSplashScreen.setVisibility(View.GONE);

                    mSplashScreen = null;

                }

            }

        });

        // Use a custom WebChromeClient with geolocation permissions handling.

        mWebView.setWebChromeClient(new WebChromeClient() {

            public void onGeolocationPermissionsShowPrompt(

                        String origin, GeolocationPermissions.Callback callback) {

                // Allow this origin if it has Geolocation permissions, otherwise deny.

                boolean allowed = false;

                if (sensitiveFeatures.getGeolocation()) {

                    try {

                        URL originUrl = new URL(origin);

                        allowed = areSameOrigin(mBaseUrl, originUrl);

                    } catch(MalformedURLException e) {

                    }

                }

                callback.invoke(origin, allowed, false);

            }

        });

        // Set the DB location. Optional. Geolocation works without DBs.

        mWebView.getSettings().setGeolocationDatabasePath(

                getDir("geolocation", MODE_PRIVATE).getPath());

        String title = metaData.getString("android.webruntime.title");

        // We turned off the title bar to go full screen so display the

        // webapp's title as a toast.

        if (title != null) {

            Toast.makeText(this, title, Toast.LENGTH_SHORT).show();

        }

        // Load the webapp's base URL.

        mWebView.loadUrl(url);

    }

    @Override

    public boolean onKeyDown(int keyCode, KeyEvent event) {

        if (keyCode == KeyEvent.KEYCODE_BACK && mWebView.canGoBack()) {

            mWebView.goBack();

            return true;

        }

        return super.onKeyDown(keyCode, event);

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        menu.add(0, 0, 0, "Menu item 1");

        menu.add(0, 1, 0, "Menu item 2");

        return true;

    }

    private static boolean areSameOrigin(URL a, URL b) {

        int aPort = a.getPort() == -1 ? a.getDefaultPort() : a.getPort();

        int bPort = b.getPort() == -1 ? b.getDefaultPort() : b.getPort();

        return a.getProtocol().equals(b.getProtocol()) && aPort == bPort && a.getHost().equals(b.getHost());

    }

}