| package org.robolectric.shadows; |
| |
| import android.content.res.*; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.BitmapDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.ParcelFileDescriptor; |
| import android.util.AttributeSet; |
| import android.util.DisplayMetrics; |
| import android.util.LongSparseArray; |
| import android.util.TypedValue; |
| import android.view.Display; |
| import org.robolectric.RuntimeEnvironment; |
| import org.robolectric.annotation.HiddenApi; |
| import org.robolectric.annotation.Implementation; |
| import org.robolectric.annotation.Implements; |
| import org.robolectric.annotation.RealObject; |
| import org.robolectric.annotation.Resetter; |
| import org.robolectric.internal.ShadowExtractor; |
| import org.robolectric.res.Plural; |
| import org.robolectric.res.PluralResourceLoader; |
| import org.robolectric.res.ResType; |
| import org.robolectric.res.TypedResource; |
| import org.robolectric.util.ReflectionHelpers; |
| import org.robolectric.util.ReflectionHelpers.ClassParameter; |
| |
| import java.io.FileInputStream; |
| import java.io.InputStream; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Modifier; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Locale; |
| |
| import static android.os.Build.VERSION_CODES.M; |
| import static android.os.Build.VERSION_CODES.N; |
| import static org.robolectric.Shadows.shadowOf; |
| import static org.robolectric.internal.Shadow.directlyOn; |
| |
| /** |
| * Shadow for {@link android.content.res.Resources}. |
| */ |
| @Implements(Resources.class) |
| public class ShadowResources { |
| private static Resources system = null; |
| private static List<LongSparseArray<?>> resettableArrays; |
| |
| private float density = 1.0f; |
| private DisplayMetrics displayMetrics; |
| private Display display; |
| @RealObject Resources realResources; |
| |
| @Resetter |
| public static void reset() { |
| if (resettableArrays == null) { |
| resettableArrays = obtainResettableArrays(); |
| } |
| for (LongSparseArray<?> sparseArray : resettableArrays) { |
| sparseArray.clear(); |
| } |
| system = null; |
| } |
| |
| private static List<LongSparseArray<?>> obtainResettableArrays() { |
| List<LongSparseArray<?>> resettableArrays = new ArrayList<>(); |
| Field[] allFields = Resources.class.getDeclaredFields(); |
| for (Field field : allFields) { |
| if (Modifier.isStatic(field.getModifiers()) && field.getType().equals(LongSparseArray.class)) { |
| field.setAccessible(true); |
| try { |
| LongSparseArray<?> longSparseArray = (LongSparseArray<?>) field.get(null); |
| if (longSparseArray != null) { |
| resettableArrays.add(longSparseArray); |
| } |
| } catch (IllegalAccessException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| return resettableArrays; |
| } |
| |
| @Implementation |
| public static Resources getSystem() { |
| if (system == null) { |
| AssetManager assetManager = AssetManager.getSystem(); |
| DisplayMetrics metrics = new DisplayMetrics(); |
| Configuration config = new Configuration(); |
| system = new Resources(assetManager, metrics, config); |
| } |
| return system; |
| } |
| |
| @Implementation |
| public TypedArray obtainAttributes(AttributeSet set, int[] attrs) { |
| return shadowOf(realResources.getAssets()) |
| .attrsToTypedArray(realResources, set, attrs, 0, 0, 0); |
| } |
| |
| @Implementation |
| public String getQuantityString(int id, int quantity, Object... formatArgs) throws Resources.NotFoundException { |
| String raw = getQuantityString(id, quantity); |
| return String.format(Locale.ENGLISH, raw, formatArgs); |
| } |
| |
| @Implementation |
| public String getQuantityString(int resId, int quantity) throws Resources.NotFoundException { |
| ShadowAssetManager shadowAssetManager = shadowOf(realResources.getAssets()); |
| |
| TypedResource typedResource = shadowAssetManager.getResourceTable().getValue(resId, RuntimeEnvironment.getQualifiers()); |
| if (typedResource != null && typedResource instanceof PluralResourceLoader.PluralRules) { |
| PluralResourceLoader.PluralRules pluralRules = (PluralResourceLoader.PluralRules) typedResource; |
| Plural plural = pluralRules.find(quantity); |
| |
| if (plural == null) { |
| return null; |
| } |
| |
| TypedResource<?> resolvedTypedResource = shadowAssetManager.resolve( |
| new TypedResource<>(plural.getString(), ResType.CHAR_SEQUENCE, pluralRules.getXmlContext()), |
| RuntimeEnvironment.getQualifiers(), resId); |
| return resolvedTypedResource == null ? null : resolvedTypedResource.asString(); |
| } else { |
| return null; |
| } |
| } |
| |
| @Implementation |
| public InputStream openRawResource(int id) throws Resources.NotFoundException { |
| return shadowOf(realResources.getAssets()).getResourceTable().getRawValue(id, RuntimeEnvironment.getQualifiers()); |
| } |
| |
| @Implementation |
| public AssetFileDescriptor openRawResourceFd(int id) throws Resources.NotFoundException { |
| try { |
| FileInputStream fis = (FileInputStream)openRawResource(id); |
| return new AssetFileDescriptor(ParcelFileDescriptor.dup(fis.getFD()), 0, fis.getChannel().size()); |
| } catch (Exception e) { |
| return null; |
| } |
| } |
| |
| public void setDensity(float density) { |
| this.density = density; |
| if (displayMetrics != null) { |
| displayMetrics.density = density; |
| } |
| } |
| |
| public void setScaledDensity(float scaledDensity) { |
| if (displayMetrics != null) { |
| displayMetrics.scaledDensity = scaledDensity; |
| } |
| } |
| |
| public void setDisplay(Display display) { |
| this.display = display; |
| displayMetrics = null; |
| } |
| |
| @Implementation |
| public DisplayMetrics getDisplayMetrics() { |
| if (displayMetrics == null) { |
| if (display == null) { |
| display = ReflectionHelpers.callConstructor(Display.class); |
| } |
| |
| displayMetrics = new DisplayMetrics(); |
| display.getMetrics(displayMetrics); |
| } |
| displayMetrics.density = this.density; |
| return displayMetrics; |
| } |
| |
| @HiddenApi @Implementation |
| public XmlResourceParser loadXmlResourceParser(int resId, String type) throws Resources.NotFoundException { |
| ShadowAssetManager shadowAssetManager = shadowOf(realResources.getAssets()); |
| return shadowAssetManager.loadXmlResourceParser(resId, type); |
| } |
| |
| @HiddenApi @Implementation |
| public XmlResourceParser loadXmlResourceParser(String file, int id, int assetCookie, String type) throws Resources.NotFoundException { |
| return loadXmlResourceParser(id, type); |
| } |
| |
| @Implements(value = Resources.Theme.class) |
| public static class ShadowTheme { |
| @RealObject Resources.Theme realTheme; |
| |
| long getNativePtr() { |
| if (RuntimeEnvironment.getApiLevel() >= N) { |
| ResourcesImpl.ThemeImpl themeImpl = ReflectionHelpers.getField(realTheme, "mThemeImpl"); |
| return ((ShadowResourcesImpl.ShadowThemeImpl) ShadowExtractor.extract(themeImpl)).getNativePtr(); |
| } else { |
| return ((Number) ReflectionHelpers.getField(realTheme, "mTheme")).longValue(); |
| } |
| } |
| |
| @Implementation(maxSdk = M) |
| public TypedArray obtainStyledAttributes(int[] attrs) { |
| return obtainStyledAttributes(0, attrs); |
| } |
| |
| @Implementation(maxSdk = M) |
| public TypedArray obtainStyledAttributes(int resid, int[] attrs) throws android.content.res.Resources.NotFoundException { |
| return obtainStyledAttributes(null, attrs, 0, resid); |
| } |
| |
| @Implementation(maxSdk = M) |
| public TypedArray obtainStyledAttributes(AttributeSet set, int[] attrs, int defStyleAttr, int defStyleRes) { |
| return getShadowAssetManager().attrsToTypedArray(getResources(), set, attrs, defStyleAttr, getNativePtr(), defStyleRes); |
| } |
| |
| private ShadowAssetManager getShadowAssetManager() { |
| return shadowOf(getResources().getAssets()); |
| } |
| |
| private Resources getResources() { |
| return ReflectionHelpers.getField(realTheme, "this$0"); |
| } |
| } |
| |
| @HiddenApi @Implementation |
| public Drawable loadDrawable(TypedValue value, int id) { |
| Drawable drawable = directlyOn(realResources, Resources.class, "loadDrawable", |
| ClassParameter.from(TypedValue.class, value), ClassParameter.from(int.class, id)); |
| setCreatedFromResId(realResources, id, drawable); |
| return drawable; |
| } |
| |
| @Implementation |
| public Drawable loadDrawable(TypedValue value, int id, Resources.Theme theme) throws Resources.NotFoundException { |
| Drawable drawable = directlyOn(realResources, Resources.class, "loadDrawable", |
| ClassParameter.from(TypedValue.class, value), ClassParameter.from(int.class, id), ClassParameter.from(Resources.Theme.class, theme)); |
| setCreatedFromResId(realResources, id, drawable); |
| return drawable; |
| } |
| |
| static void setCreatedFromResId(Resources resources, int id, Drawable drawable) { |
| // todo: this kinda sucks, find some better way... |
| if (drawable != null) { |
| shadowOf(drawable).createdFromResId = id; |
| if (drawable instanceof BitmapDrawable) { |
| Bitmap bitmap = ((BitmapDrawable) drawable).getBitmap(); |
| if (bitmap != null) { |
| ShadowBitmap shadowBitmap = shadowOf(bitmap); |
| if (shadowBitmap.createdFromResId == -1) { |
| shadowBitmap.setCreatedFromResId(id, shadowOf(resources.getAssets()).getResourceName(id)); |
| } |
| } |
| } |
| } |
| } |
| |
| @Implements(Resources.NotFoundException.class) |
| public static class ShadowNotFoundException { |
| @RealObject Resources.NotFoundException realObject; |
| |
| private String message; |
| |
| public void __constructor__() { |
| } |
| |
| public void __constructor__(String name) { |
| this.message = name; |
| } |
| |
| @Implementation |
| public String toString() { |
| return realObject.getClass().getName() + ": " + message; |
| } |
| } |
| } |