1 package com.xtremelabs.robolectric.shadows; 2 3 import android.app.Application; 4 import android.content.Context; 5 import android.view.LayoutInflater; 6 import android.view.View; 7 import android.view.ViewGroup; 8 import com.xtremelabs.robolectric.internal.AppSingletonizer; 9 import com.xtremelabs.robolectric.internal.Implementation; 10 import com.xtremelabs.robolectric.internal.Implements; 11 import com.xtremelabs.robolectric.res.ResourceLoader; 12 13 import static com.xtremelabs.robolectric.Robolectric.shadowOf; 14 15 /** 16 * Shadow of {@code LayoutInflater} that actually inflates layouts into {@code View}s that are functional enough to 17 * support testing. 18 */ 19 20 @Implements(LayoutInflater.class) 21 public class ShadowLayoutInflater { 22 private static AppSingletonizer<LayoutInflater> instances = new LayoutInflaterAppSingletonizer(); 23 24 private Context context; 25 26 private static LayoutInflater bind(LayoutInflater layoutInflater, Context context) { 27 shadowOf(layoutInflater).context = context; 28 return layoutInflater; 29 } 30 31 @Implementation 32 public static LayoutInflater from(Context context) { 33 return bind(instances.getInstance(context), context); 34 } 35 36 @Implementation 37 public Context getContext() { 38 return context; 39 } 40 41 @Implementation 42 public View inflate(int resource, ViewGroup root, boolean attachToRoot) { 43 return getResourceLoader().inflateView(context, resource, attachToRoot ? root : null); 44 } 45 46 @Implementation 47 public View inflate(int resource, ViewGroup root) { 48 return inflate(resource, root, root != null); 49 } 50 51 private ResourceLoader getResourceLoader() { 52 return shadowOf(context.getApplicationContext()).getResourceLoader(); 53 } 54 55 private static class LayoutInflaterAppSingletonizer extends AppSingletonizer<LayoutInflater> { 56 public LayoutInflaterAppSingletonizer() { 57 super(LayoutInflater.class); 58 } 59 60 @Override protected LayoutInflater get(ShadowApplication shadowApplication) { 61 return shadowApplication.getLayoutInflater(); 62 } 63 64 @Override protected void set(ShadowApplication shadowApplication, LayoutInflater instance) { 65 shadowApplication.layoutInflater = instance; 66 } 67 68 @Override protected LayoutInflater createInstance(Application applicationContext) { 69 return new MyLayoutInflater(applicationContext); 70 } 71 72 private static class MyLayoutInflater extends LayoutInflater { 73 public MyLayoutInflater(Context context) { 74 super(context); 75 } 76 77 @Override public LayoutInflater cloneInContext(Context newContext) { 78 return bind(new MyLayoutInflater(newContext), newContext); 79 } 80 } 81 } 82 } 83
