/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.mediarouter.media;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
@RequiresApi(16)
final class MediaRouterJellybean {
private static final String TAG = "MediaRouterJellybean";
// android.media.AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP = 0x80;
// android.media.AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100;
// android.media.AudioSystem.DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200;
public static final int DEVICE_OUT_BLUETOOTH = 0x80 | 0x100 | 0x200;
public static final int ROUTE_TYPE_LIVE_AUDIO = 0x1;
public static final int ROUTE_TYPE_LIVE_VIDEO = 0x2;
public static final int ROUTE_TYPE_USER = 0x00800000;
public static final int ALL_ROUTE_TYPES =
MediaRouterJellybean.ROUTE_TYPE_LIVE_AUDIO
| MediaRouterJellybean.ROUTE_TYPE_LIVE_VIDEO
| MediaRouterJellybean.ROUTE_TYPE_USER;
public static Object getMediaRouter(Context context) {
return context.getSystemService(Context.MEDIA_ROUTER_SERVICE);
}
@SuppressWarnings({"rawtypes", "unchecked"})
public static List getRoutes(Object routerObj) {
final android.media.MediaRouter router = (android.media.MediaRouter) routerObj;
final int count = router.getRouteCount();
List out = new ArrayList(count);
for (int i = 0; i < count; i++) {
out.add(router.getRouteAt(i));
}
return out;
}
@SuppressWarnings({"rawtypes", "unchecked"})
public static List getCategories(Object routerObj) {
final android.media.MediaRouter router = (android.media.MediaRouter) routerObj;
final int count = router.getCategoryCount();
List out = new ArrayList(count);
for (int i = 0; i < count; i++) {
out.add(router.getCategoryAt(i));
}
return out;
}
public static Object getSelectedRoute(Object routerObj, int type) {
return ((android.media.MediaRouter) routerObj).getSelectedRoute(type);
}
public static void selectRoute(Object routerObj, int types, Object routeObj) {
((android.media.MediaRouter) routerObj).selectRoute(types,
(android.media.MediaRouter.RouteInfo) routeObj);
}
public static void addCallback(Object routerObj, int types, Object callbackObj) {
((android.media.MediaRouter) routerObj).addCallback(types,
(android.media.MediaRouter.Callback) callbackObj);
}
public static void removeCallback(Object routerObj, Object callbackObj) {
((android.media.MediaRouter) routerObj).removeCallback(
(android.media.MediaRouter.Callback) callbackObj);
}
public static Object createRouteCategory(Object routerObj,
String name, boolean isGroupable) {
return ((android.media.MediaRouter) routerObj).createRouteCategory(name, isGroupable);
}
public static Object createUserRoute(Object routerObj, Object categoryObj) {
return ((android.media.MediaRouter) routerObj).createUserRoute(
(android.media.MediaRouter.RouteCategory) categoryObj);
}
public static void addUserRoute(Object routerObj, Object routeObj) {
((android.media.MediaRouter) routerObj).addUserRoute(
(android.media.MediaRouter.UserRouteInfo) routeObj);
}
public static void removeUserRoute(Object routerObj, Object routeObj) {
try {
((android.media.MediaRouter) routerObj).removeUserRoute(
(android.media.MediaRouter.UserRouteInfo) routeObj);
} catch (IllegalArgumentException e) {
// Work around for https://issuetracker.google.com/issues/202931542.
Log.w(TAG, "Failed to remove user route", e);
}
}
public static Object createCallback(Callback callback) {
return new CallbackProxy<Callback>(callback);
}
public static Object createVolumeCallback(VolumeCallback callback) {
return new VolumeCallbackProxy<VolumeCallback>(callback);
}
public static final class RouteInfo {
@NonNull
public static CharSequence getName(@NonNull Object routeObj, @NonNull Context context) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getName(context);
}
@NonNull
public static CharSequence getStatus(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getStatus();
}
public static int getSupportedTypes(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getSupportedTypes();
}
@Nullable
public static Object getCategory(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getCategory();
}
@Nullable
public static Drawable getIconDrawable(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getIconDrawable();
}
public static int getPlaybackType(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getPlaybackType();
}
public static int getPlaybackStream(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getPlaybackStream();
}
public static int getVolume(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getVolume();
}
public static int getVolumeMax(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getVolumeMax();
}
public static int getVolumeHandling(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getVolumeHandling();
}
@Nullable
public static Object getTag(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getTag();
}
public static void setTag(@NonNull Object routeObj, @Nullable Object tag) {
((android.media.MediaRouter.RouteInfo) routeObj).setTag(tag);
}
public static void requestSetVolume(@NonNull Object routeObj, int volume) {
((android.media.MediaRouter.RouteInfo) routeObj).requestSetVolume(volume);
}
public static void requestUpdateVolume(@NonNull Object routeObj, int direction) {
((android.media.MediaRouter.RouteInfo) routeObj).requestUpdateVolume(direction);
}
@Nullable
public static Object getGroup(@NonNull Object routeObj) {
return ((android.media.MediaRouter.RouteInfo) routeObj).getGroup();
}
public static boolean isGroup(@NonNull Object routeObj) {
return routeObj instanceof android.media.MediaRouter.RouteGroup;
}
private RouteInfo() {
}
}
public static final class RouteGroup {
@SuppressWarnings({"rawtypes", "unchecked"})
@NonNull
public static List getGroupedRoutes(@NonNull Object groupObj) {
final android.media.MediaRouter.RouteGroup group =
(android.media.MediaRouter.RouteGroup) groupObj;
final int count = group.getRouteCount();
List out = new ArrayList(count);
for (int i = 0; i < count; i++) {
out.add(group.getRouteAt(i));
}
return out;
}
private RouteGroup() {
}
}
public static final class UserRouteInfo {
public static void setName(@NonNull Object routeObj, @NonNull CharSequence name) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setName(name);
}
public static void setStatus(@NonNull Object routeObj, @NonNull CharSequence status) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setStatus(status);
}
public static void setIconDrawable(@NonNull Object routeObj, @Nullable Drawable icon) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setIconDrawable(icon);
}
public static void setPlaybackType(@NonNull Object routeObj, int type) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setPlaybackType(type);
}
public static void setPlaybackStream(@NonNull Object routeObj, int stream) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setPlaybackStream(stream);
}
public static void setVolume(@NonNull Object routeObj, int volume) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setVolume(volume);
}
public static void setVolumeMax(@NonNull Object routeObj, int volumeMax) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setVolumeMax(volumeMax);
}
public static void setVolumeHandling(@NonNull Object routeObj, int volumeHandling) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setVolumeHandling(volumeHandling);
}
public static void setVolumeCallback(@NonNull Object routeObj,
@NonNull Object volumeCallbackObj) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setVolumeCallback(
(android.media.MediaRouter.VolumeCallback) volumeCallbackObj);
}
public static void setRemoteControlClient(@NonNull Object routeObj,
@Nullable Object rccObj) {
((android.media.MediaRouter.UserRouteInfo) routeObj).setRemoteControlClient(
(android.media.RemoteControlClient) rccObj);
}
private UserRouteInfo() {
}
}
public static final class RouteCategory {
@Nullable
public static CharSequence getName(@NonNull Object categoryObj, @NonNull Context context) {
return ((android.media.MediaRouter.RouteCategory) categoryObj).getName(context);
}
@SuppressWarnings({"rawtypes", "unchecked"})
@NonNull
public static List getRoutes(@NonNull Object categoryObj) {
ArrayList out = new ArrayList();
((android.media.MediaRouter.RouteCategory) categoryObj).getRoutes(out);
return out;
}
public static int getSupportedTypes(@NonNull Object categoryObj) {
return ((android.media.MediaRouter.RouteCategory) categoryObj).getSupportedTypes();
}
public static boolean isGroupable(@NonNull Object categoryObj) {
return ((android.media.MediaRouter.RouteCategory) categoryObj).isGroupable();
}
private RouteCategory() {
}
}
public interface Callback {
void onRouteSelected(int type, @NonNull Object routeObj);
void onRouteUnselected(int type, @NonNull Object routeObj);
void onRouteAdded(@NonNull Object routeObj);
void onRouteRemoved(@NonNull Object routeObj);
void onRouteChanged(@NonNull Object routeObj);
void onRouteGrouped(@NonNull Object routeObj, @NonNull Object groupObj, int index);
void onRouteUngrouped(@NonNull Object routeObj, @NonNull Object groupObj);
void onRouteVolumeChanged(@NonNull Object routeObj);
}
public interface VolumeCallback {
void onVolumeSetRequest(@NonNull Object routeObj, int volume);
void onVolumeUpdateRequest(@NonNull Object routeObj, int direction);
}
/**
* Workaround for limitations of selectRoute() on JB and JB MR1.
* Do not use on JB MR2 and above.
*/
public static final class SelectRouteWorkaround {
private Method mSelectRouteIntMethod;
SelectRouteWorkaround() {
if (Build.VERSION.SDK_INT < 16 || Build.VERSION.SDK_INT > 17) {
throw new UnsupportedOperationException();
}
try {
mSelectRouteIntMethod = android.media.MediaRouter.class.getMethod(
"selectRouteInt", int.class, android.media.MediaRouter.RouteInfo.class);
} catch (NoSuchMethodException ex) {
}
}
@SuppressLint("BanUncheckedReflection") // TODO: b/232075564
public void selectRoute(@NonNull Object routerObj, int types, @NonNull Object routeObj) {
android.media.MediaRouter router = (android.media.MediaRouter) routerObj;
android.media.MediaRouter.RouteInfo route =
(android.media.MediaRouter.RouteInfo) routeObj;
int routeTypes = route.getSupportedTypes();
if ((routeTypes & ROUTE_TYPE_USER) == 0) {
// Handle non-user routes.
// On JB and JB MR1, the selectRoute() API only supports programmatically
// selecting user routes. So instead we rely on the hidden selectRouteInt()
// method on these versions of the platform.
// This limitation was removed in JB MR2.
if (mSelectRouteIntMethod != null) {
try {
mSelectRouteIntMethod.invoke(router, types, route);
return; // success!
} catch (IllegalAccessException ex) {
Log.w(TAG, "Cannot programmatically select non-user route. "
+ "Media routing may not work.", ex);
} catch (InvocationTargetException ex) {
Log.w(TAG, "Cannot programmatically select non-user route. "
+ "Media routing may not work.", ex);
}
} else {
Log.w(TAG, "Cannot programmatically select non-user route "
+ "because the platform is missing the selectRouteInt() "
+ "method. Media routing may not work.");
}
}
// Default handling.
router.selectRoute(types, route);
}
}
/**
* Workaround the fact that the getDefaultRoute() method does not exist in JB and JB MR1.
* Do not use on JB MR2 and above.
*/
public static final class GetDefaultRouteWorkaround {
private Method mGetSystemAudioRouteMethod;
GetDefaultRouteWorkaround() {
if (Build.VERSION.SDK_INT < 16 || Build.VERSION.SDK_INT > 17) {
throw new UnsupportedOperationException();
}
try {
mGetSystemAudioRouteMethod =
android.media.MediaRouter.class.getMethod("getSystemAudioRoute");
} catch (NoSuchMethodException ex) {
}
}
@SuppressLint("BanUncheckedReflection") // TODO: b/232075564
@NonNull
public Object getDefaultRoute(@NonNull Object routerObj) {
android.media.MediaRouter router = (android.media.MediaRouter) routerObj;
if (mGetSystemAudioRouteMethod != null) {
try {
return mGetSystemAudioRouteMethod.invoke(router);
} catch (IllegalAccessException ex) {
} catch (InvocationTargetException ex) {
}
}
// Could not find the method or it does not work.
// Return the first route and hope for the best.
return router.getRouteAt(0);
}
}
static class CallbackProxy<T extends Callback>
extends android.media.MediaRouter.Callback {
protected final T mCallback;
CallbackProxy(T callback) {
mCallback = callback;
}
@Override
public void onRouteSelected(android.media.MediaRouter router,
int type, android.media.MediaRouter.RouteInfo route) {
mCallback.onRouteSelected(type, route);
}
@Override
public void onRouteUnselected(android.media.MediaRouter router,
int type, android.media.MediaRouter.RouteInfo route) {
mCallback.onRouteUnselected(type, route);
}
@Override
public void onRouteAdded(android.media.MediaRouter router,
android.media.MediaRouter.RouteInfo route) {
mCallback.onRouteAdded(route);
}
@Override
public void onRouteRemoved(android.media.MediaRouter router,
android.media.MediaRouter.RouteInfo route) {
mCallback.onRouteRemoved(route);
}
@Override
public void onRouteChanged(android.media.MediaRouter router,
android.media.MediaRouter.RouteInfo route) {
mCallback.onRouteChanged(route);
}
@Override
public void onRouteGrouped(android.media.MediaRouter router,
android.media.MediaRouter.RouteInfo route,
android.media.MediaRouter.RouteGroup group, int index) {
mCallback.onRouteGrouped(route, group, index);
}
@Override
public void onRouteUngrouped(android.media.MediaRouter router,
android.media.MediaRouter.RouteInfo route,
android.media.MediaRouter.RouteGroup group) {
mCallback.onRouteUngrouped(route, group);
}
@Override
public void onRouteVolumeChanged(android.media.MediaRouter router,
android.media.MediaRouter.RouteInfo route) {
mCallback.onRouteVolumeChanged(route);
}
}
static class VolumeCallbackProxy<T extends VolumeCallback>
extends android.media.MediaRouter.VolumeCallback {
protected final T mCallback;
VolumeCallbackProxy(T callback) {
mCallback = callback;
}
@Override
public void onVolumeSetRequest(android.media.MediaRouter.RouteInfo route,
int volume) {
mCallback.onVolumeSetRequest(route, volume);
}
@Override
public void onVolumeUpdateRequest(android.media.MediaRouter.RouteInfo route,
int direction) {
mCallback.onVolumeUpdateRequest(route, direction);
}
}
private MediaRouterJellybean() {
}
}