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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 package org.chromium.webapk.lib.common; | |
6 | |
7 import android.content.Context; | |
8 import android.content.pm.ApplicationInfo; | |
9 import android.content.pm.PackageManager; | |
10 import android.content.pm.PackageManager.NameNotFoundException; | |
11 import android.os.Bundle; | |
12 | |
13 /** | |
14 * Contains utility methods for interacting with WebAPKs. | |
15 */ | |
16 public class WebApkUtils { | |
17 | |
18 private static final String DEFAULT_CHROME_PACKAGE_NAME = "com.google.androi d.apps.chrome"; | |
gone
2016/05/25 21:11:02
nit: Kind of weird to hard-code this. Is there an
pkotwicz
2016/05/26 01:11:41
Ok, I have removed the default.
| |
19 | |
20 /** | |
21 * Caches the value read from Application Metadata which specifies the host browser's package | |
22 * name. | |
23 */ | |
24 private static String sHostPackage; | |
25 | |
26 /** | |
27 * Returns a Context for the host browser that was specified when building t he WebAPK. | |
28 * @param context A context. | |
29 * @return The remote context. Returns null on an error. | |
30 */ | |
31 public static Context getHostBrowserContext(Context context) { | |
32 try { | |
33 String hostPackage = getHostBrowserPackageName(context); | |
34 return context.getApplicationContext().createPackageContext( | |
gone
2016/05/25 21:11:02
ContextUtils.getApplicationContext()?
pkotwicz
2016/05/26 01:11:41
Unfortunately the code in chrome/android/webapk ca
| |
35 hostPackage, | |
36 Context.CONTEXT_IGNORE_SECURITY | Context.CONTEXT_IN CLUDE_CODE); | |
37 } catch (NameNotFoundException e) { | |
38 e.printStackTrace(); | |
39 } | |
40 return null; | |
41 } | |
42 | |
43 /** | |
44 * Returns the package name for the host browser that was specified when bui lding the WebAPK. | |
45 * @param context A context. | |
46 * @return The package name. Returns null on an error. | |
47 */ | |
48 public static String getHostBrowserPackageName(Context context) { | |
49 if (sHostPackage != null) return sHostPackage; | |
50 String hostPackage = null; | |
51 try { | |
52 ApplicationInfo ai = context.getPackageManager().getApplicationInfo( | |
53 context.getPackageName(), PackageManager.GET_META_DATA); | |
54 Bundle bundle = ai.metaData; | |
55 hostPackage = bundle.getString("runtimeHost"); | |
56 } catch (NameNotFoundException e) { | |
57 e.printStackTrace(); | |
58 } | |
59 sHostPackage = hostPackage != null ? hostPackage : DEFAULT_CHROME_PACKAG E_NAME; | |
60 return sHostPackage; | |
61 } | |
62 } | |
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