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package org.robolectric.shadows;
import static android.os.Build.VERSION_CODES.Q;
import static android.os.Build.VERSION_CODES.S;
import static org.robolectric.util.reflector.Reflector.reflector;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.graphics.fonts.Font;
import android.graphics.fonts.FontCustomizationParser;
import android.graphics.fonts.FontFamily;
import android.graphics.fonts.SystemFonts;
import android.os.Build;
import android.os.Build.VERSION_CODES;
import android.text.FontConfig;
import android.util.ArrayMap;
import android.util.Log;
import com.google.common.base.Preconditions;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.util.ArrayList;
import java.util.Map;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.nativeruntime.DefaultNativeRuntimeLoader;
import org.robolectric.shadows.ShadowNativeSystemFonts.Picker;
import org.robolectric.util.reflector.Direct;
import org.robolectric.util.reflector.ForType;
import org.robolectric.util.reflector.Static;
/**
* Shadow for {@link SystemFonts} for the Robolectric native runtime. It supports getting system
* font config using a custom fonts path.
*/
@Implements(
value = SystemFonts.class,
minSdk = Build.VERSION_CODES.Q,
isInAndroidSdk = false,
shadowPicker = Picker.class)
public class ShadowNativeSystemFonts {
@Implementation(minSdk = S)
protected static FontConfig getSystemFontConfigInternal(
String fontsXml,
String systemFontDir,
String oemXml,
String productFontDir,
Map<String, File> updatableFontMap,
long lastModifiedDate,
int configVersion) {
String fontDir = System.getProperty("robolectric.nativeruntime.fontdir");
Preconditions.checkNotNull(fontDir);
Preconditions.checkState(new File(fontDir).isDirectory(), "Missing fonts directory");
Preconditions.checkState(
fontDir.endsWith(File.separator), "Fonts directory must end with a slash");
return reflector(SystemFontsReflector.class)
.getSystemFontConfigInternal(
fontDir + "fonts.xml",
fontDir,
null,
null,
updatableFontMap,
lastModifiedDate,
configVersion);
}
@Implementation(maxSdk = VERSION_CODES.R)
public static FontConfig.Alias[] buildSystemFallback(
String xmlPath,
String systemFontDir,
FontCustomizationParser.Result oemCustomization,
ArrayMap<String, FontFamily[]> fallbackMap,
ArrayList<Font> availableFonts) {
// In Q and R, calling SystemFonts.getAvailableFonts does not automatically result in RNG being
// loaded, so we must ensure it is loaded for `robolectric.nativeruntime.fontdir` to be defined.
DefaultNativeRuntimeLoader.injectAndLoad();
String fontDir = System.getProperty("robolectric.nativeruntime.fontdir");
Preconditions.checkNotNull(fontDir);
Preconditions.checkState(new File(fontDir).isDirectory(), "Missing fonts directory");
Preconditions.checkState(
fontDir.endsWith(File.separator), "Fonts directory must end with a slash");
return reflector(SystemFontsReflector.class)
.buildSystemFallback(
fontDir + "fonts.xml", fontDir, oemCustomization, fallbackMap, availableFonts);
}
@Implementation(minSdk = Q, maxSdk = Q)
@Nullable
protected static ByteBuffer mmap(@NonNull String fullPath) {
try (FileInputStream file = new FileInputStream(fullPath)) {
final FileChannel fileChannel = file.getChannel();
final long fontSize = fileChannel.size();
return fileChannel.map(FileChannel.MapMode.READ_ONLY, 0, fontSize);
} catch (IOException e) {
Log.w("SystemFonts", e.getMessage());
return null;
}
}
@ForType(SystemFonts.class)
interface SystemFontsReflector {
@Static
@Direct
FontConfig getSystemFontConfigInternal(
String fontsXml,
String systemFontDir,
String oemXml,
String productFontDir,
Map<String, File> updatableFontMap,
long lastModifiedDate,
int configVersion);
@Static
@Direct
FontConfig.Alias[] buildSystemFallback(
String xmlPath,
String fontDir,
FontCustomizationParser.Result oemCustomization,
ArrayMap<String, FontFamily[]> fallbackMap,
ArrayList<Font> availableFonts);
}
/** Shadow picker for {@link SystemFonts}. */
public static final class Picker extends GraphicsShadowPicker<Object> {
public Picker() {
super(null, ShadowNativeSystemFonts.class);
}
}
}
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