Move //webapk to //chrome/android/webapk

webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java

Index: webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java
diff --git a/webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java b/webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java
deleted file mode 100644
index 4fdc9a2cd00965b93a10948e1d8fb9db991433fd..0000000000000000000000000000000000000000
--- a/webapk/shell_apk/src/org/chromium/webapk/shell_apk/WebApkServiceFactory.java
+++ /dev/null
@@ -1,168 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.webapk.shell_apk;
-
-import android.app.Service;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.os.Bundle;
-import android.os.IBinder;
-import android.util.Log;
-
-import org.chromium.webapk.lib.common.WebApkUtils;
-
-import java.io.File;
-import java.lang.reflect.Constructor;
-import java.util.Scanner;
-
-/**
- * Shell class for services provided by WebAPK to Chrome. Extracts code with implementation of
- * services from .dex file in Chrome APK.
- */
-public class WebApkServiceFactory extends Service {
-    private static final String TAG = "cr.WebApkServiceFactory";
-
-    /**
-     * Name of the class with IBinder API implementation.
-     */
-    private static final String MINTED_SERVICE_IMPL_CLASS_NAME =
-            "org.chromium.webapk.lib.runtime_library.WebApkServiceImpl";
-
-    private static final String KEY_APP_ICON_ID = "app_icon_id";
-    private static final String KEY_EXPECTED_HOST_BROWSER = "expected_host_browser";
-
-    /**
-     * Name of the shared preferences file.
-     */
-    private static final String PREF_FILE_NAME = "MINT_PREFS";
-
-    /**
-     * Name of the shared preference for Chrome's version code.
-     */
-    private static final String REMOTE_VERSION_CODE_PREF =
-            "webapk_service_factory_remote_version_code";
-
-    /**
-     * Name of the shared preference for the version number of the dynamically loaded dex.
-     */
-    private static final String RUNTIME_DEX_VERSION_PREF =
-            "webapk_service_factory_runtime_dex_version";
-
-    /*
-     * ClassLoader for loading {@link MINTED_SERVICE_IMPL_CLASS_NAME}. Static so that all
-     * {@link WebApkServiceFactory} service instatiations use the same ClassLoader during the app's
-     * lifetime.
-     */
-    private static ClassLoader sClassLoader;
-
-    @Override
-    public IBinder onBind(Intent intent) {
-        if (sClassLoader == null) {
-            sClassLoader = createClassLoader(this);
-            if (sClassLoader == null) {
-                Log.w(TAG, "Unable to create ClassLoader.");
-                return null;
-            }
-        }
-
-        try {
-            Class<?> mintedServiceImplClass =
-                    sClassLoader.loadClass(MINTED_SERVICE_IMPL_CLASS_NAME);
-            Constructor<?> mintedServiceImplConstructor =
-                    mintedServiceImplClass.getConstructor(Context.class, Bundle.class);
-            String expectedHostPackageName = WebApkUtils.getHostBrowserPackageName(this);
-            Bundle bundle = new Bundle();
-            bundle.putInt(KEY_APP_ICON_ID, R.drawable.app_icon);
-            bundle.putString(KEY_EXPECTED_HOST_BROWSER, expectedHostPackageName);
-            return (IBinder) mintedServiceImplConstructor.newInstance(new Object[] {this, bundle});
-        } catch (Exception e) {
-            Log.w(TAG, "Unable to create WebApkServiceImpl.");
-            e.printStackTrace();
-            return null;
-        }
-    }
-
-    /**
-     * Creates ClassLoader for loading {@link MINTED_SERVICE_IMPL_CLASS_NAME}.
-     * @param context WebAPK's context.
-     * @return The ClassLoader.
-     */
-    private static ClassLoader createClassLoader(Context context) {
-        Context remoteContext = WebApkUtils.getHostBrowserContext(context);
-        if (remoteContext == null) {
-            Log.w(TAG, "Failed to get remote context.");
-            return null;
-        }
-
-        SharedPreferences preferences = context.getSharedPreferences(PREF_FILE_NAME, MODE_PRIVATE);
-
-        int runtimeDexVersion = preferences.getInt(RUNTIME_DEX_VERSION_PREF, -1);
-        int newRuntimeDexVersion = checkForNewRuntimeDexVersion(preferences, remoteContext);
-        if (newRuntimeDexVersion == -1) {
-            newRuntimeDexVersion = runtimeDexVersion;
-        }
-        File localDexDir = context.getDir("dex", Context.MODE_PRIVATE);
-        if (newRuntimeDexVersion != runtimeDexVersion) {
-            Log.w(TAG, "Delete cached dex files.");
-            DexLoader.deleteCachedDexes(localDexDir);
-        }
-
-        String dexAssetName = WebApkUtils.getRuntimeDexName(newRuntimeDexVersion);
-        File remoteDexFile =
-                new File(remoteContext.getDir("dex", Context.MODE_PRIVATE), dexAssetName);
-        return DexLoader.load(remoteContext, dexAssetName, MINTED_SERVICE_IMPL_CLASS_NAME,
-                remoteDexFile, localDexDir);
-    }
-
-    /**
-     * Checks if there is a new "runtime dex" version number. If there is a new version number,
-     * updates SharedPreferences.
-     * @param preferences WebAPK's SharedPreferences.
-     * @param remoteContext
-     * @return The new "runtime dex" version number. -1 if there is no new version number.
-     */
-    private static int checkForNewRuntimeDexVersion(
-            SharedPreferences preferences, Context remoteContext) {
-        // The "runtime dex" version only changes when {@link remoteContext}'s APK version code
-        // changes. Checking the APK's version code is less expensive than reading from the APK's
-        // assets.
-        PackageInfo remotePackageInfo = null;
-        try {
-            remotePackageInfo = remoteContext.getPackageManager().getPackageInfo(
-                    remoteContext.getPackageName(), 0);
-        } catch (PackageManager.NameNotFoundException e) {
-            Log.e(TAG, "Failed to get remote package info.");
-            return -1;
-        }
-
-        int cachedRemoteVersionCode = preferences.getInt(REMOTE_VERSION_CODE_PREF, -1);
-        if (cachedRemoteVersionCode == remotePackageInfo.versionCode) {
-            return -1;
-        }
-
-        int runtimeDexVersion = readAssetContentsToInt(remoteContext, "web_apk_dex_version.txt");
-        SharedPreferences.Editor editor = preferences.edit();
-        editor.putInt(REMOTE_VERSION_CODE_PREF, remotePackageInfo.versionCode);
-        editor.putInt(RUNTIME_DEX_VERSION_PREF, runtimeDexVersion);
-        editor.apply();
-        return runtimeDexVersion;
-    }
-
-    /**
-     * Returns the first integer in an asset file's contents.
-     * @param context
-     * @param assetName The name of the asset.
-     */
-    private static int readAssetContentsToInt(Context context, String assetName) {
-        try (Scanner scanner = new Scanner(context.getAssets().open(assetName))) {
-            return scanner.nextInt();
-        } catch (Exception e) {
-            return -1;
-        }
-    }
-}