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package org.robolectric.shadows;
import static android.os.Build.VERSION_CODES.JELLY_BEAN;
import static android.os.Build.VERSION_CODES.JELLY_BEAN_MR1;
import android.media.AudioRoutesInfo;
import android.media.MediaRouter;
import android.media.MediaRouter.RouteInfo;
import android.os.Parcel;
import android.text.TextUtils;
import javax.annotation.Nullable;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Implements;
import org.robolectric.annotation.RealObject;
import org.robolectric.annotation.Resetter;
import org.robolectric.util.ReflectionHelpers;
import org.robolectric.util.ReflectionHelpers.ClassParameter;
/** Shadow class for {@link android.media.MediaRouter}. */
@Implements(MediaRouter.class)
public class ShadowMediaRouter {
public static final String BLUETOOTH_DEVICE_NAME = "TestBluetoothDevice";
private @RealObject MediaRouter realObject;
/**
* Adds the Bluetooth A2DP route and ensures it's the selected route, simulating connecting a
* Bluetooth device.
*/
public void addBluetoothRoute() {
updateBluetoothAudioRoute(BLUETOOTH_DEVICE_NAME);
if (RuntimeEnvironment.getApiLevel() <= JELLY_BEAN_MR1) {
ReflectionHelpers.callInstanceMethod(
MediaRouter.class,
realObject,
"selectRouteInt",
ClassParameter.from(int.class, MediaRouter.ROUTE_TYPE_LIVE_AUDIO),
ClassParameter.from(RouteInfo.class, getBluetoothA2dpRoute()));
} else {
realObject.selectRoute(MediaRouter.ROUTE_TYPE_LIVE_AUDIO, getBluetoothA2dpRoute());
}
}
/** Removes the Bluetooth A2DP route, simulating disconnecting the Bluetooth device. */
public void removeBluetoothRoute() {
// Android's AudioService passes a null Bluetooth device name to MediaRouter to signal that the
// A2DP route should be removed.
updateBluetoothAudioRoute(null);
}
/** Returns whether the Bluetooth A2DP route is the currently selected route. */
public boolean isBluetoothRouteSelected(int type) {
return realObject.getSelectedRoute(type).equals(getBluetoothA2dpRoute());
}
private static RouteInfo getBluetoothA2dpRoute() {
return ReflectionHelpers.getField(
ReflectionHelpers.getStaticField(MediaRouter.class, "sStatic"), "mBluetoothA2dpRoute");
}
/**
* Updates the MediaRouter's Bluetooth audio route.
*
* @param bluetoothDeviceName the name of the Bluetooth device or null to indicate that the
* already-existing Bluetooth A2DP device should be removed
*/
private void updateBluetoothAudioRoute(@Nullable String bluetoothDeviceName) {
callUpdateAudioRoutes(newAudioRouteInfo(bluetoothDeviceName));
}
/**
* Creates a new {@link AudioRoutesInfo} to be used for updating the Bluetooth audio route.
*
* @param bluetoothDeviceName the name of the Bluetooth device or null to indicate that the
* already-existing Bluetooth A2DP device should be removed
*/
private static AudioRoutesInfo newAudioRouteInfo(@Nullable String bluetoothDeviceName) {
Parcel p = Parcel.obtain();
TextUtils.writeToParcel(bluetoothDeviceName, p, /* parcelableFlags= */ 0);
p.setDataPosition(0);
return AudioRoutesInfo.CREATOR.createFromParcel(p);
}
private void callUpdateAudioRoutes(AudioRoutesInfo routesInfo) {
ReflectionHelpers.callInstanceMethod(
ReflectionHelpers.getStaticField(MediaRouter.class, "sStatic"),
RuntimeEnvironment.getApiLevel() <= JELLY_BEAN
? "updateRoutes"
: "updateAudioRoutes",
ClassParameter.from(AudioRoutesInfo.class, routesInfo));
}
@Resetter
public static void reset() {
ReflectionHelpers.setStaticField(MediaRouter.class, "sStatic", null);
}
}
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