From fc74261655883f332ce9a87654e837a03c697e0b Mon Sep 17 00:00:00 2001
From: Adam Mills <adam@armills.info>
Date: Wed, 18 Apr 2018 16:01:49 -0400
Subject: [PATCH] More interface details for the cast framework

---
 .gitignore                                    |   1 +
 build.gradle                                  |   2 +-
 extern/GmsApi                                 |   2 +-
 extern/GmsLib                                 |   2 +-
 play-services-core/build.gradle               |   2 +
 .../src/main/AndroidManifest.xml              |   8 ++
 .../framework/internal/CastContextImpl.java   | 126 ++++++++++++++++++
 .../internal/CastDynamiteModuleImpl.java      |  80 +++--------
 .../framework/internal/CastSessionImpl.java   |  23 ++++
 .../internal/DiscoveryManagerImpl.java        |  69 ++++++++++
 .../internal/MediaRouterCallbackImpl.java     |  49 +++++++
 .../cast/framework/internal/SessionImpl.java  |  49 +++++++
 .../internal/SessionManagerImpl.java          |  79 +++++++++++
 .../media/CastMediaRouteProviderService.java  |  32 +++++
 .../gms/cast/CastMediaRouteProvider.java      | 103 ++++++++++++++
 15 files changed, 564 insertions(+), 63 deletions(-)
 create mode 100644 play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastContextImpl.java
 create mode 100644 play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastSessionImpl.java
 create mode 100644 play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/DiscoveryManagerImpl.java
 create mode 100644 play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/MediaRouterCallbackImpl.java
 create mode 100644 play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/SessionImpl.java
 create mode 100644 play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/SessionManagerImpl.java
 create mode 100644 play-services-core/src/main/java/com/google/android/gms/cast/media/CastMediaRouteProviderService.java
 create mode 100644 play-services-core/src/main/java/org/microg/gms/cast/CastMediaRouteProvider.java

diff --git a/.gitignore b/.gitignore
index 6265e60a..25ed3657 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ gen/
 bin/
 build/
 .gradle/
+.idea/
 user.gradle
 local.properties
 .directory
diff --git a/build.gradle b/build.gradle
index eb2ee5dc..98380e1f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,7 +37,7 @@ def androidCompileSdk() { return 27 }
 
 def androidTargetSdk() { return 27 }
 
-def androidMinSdk() { return 9 }
+def androidMinSdk() { return 14 }
 
 def versionCode() {
     def stdout = new ByteArrayOutputStream()
diff --git a/extern/GmsApi b/extern/GmsApi
index db0be6ba..a811b2f6 160000
--- a/extern/GmsApi
+++ b/extern/GmsApi
@@ -1 +1 @@
-Subproject commit db0be6ba010f52b4d12e69aed2482c38a3c2406c
+Subproject commit a811b2f64572a10e34a0fd9a0eac189735849f5b
diff --git a/extern/GmsLib b/extern/GmsLib
index 90e9b7b7..a3b7236b 160000
--- a/extern/GmsLib
+++ b/extern/GmsLib
@@ -1 +1 @@
-Subproject commit 90e9b7b79dcaddfce887f87b94f80adeed8791e6
+Subproject commit a3b7236b5efa09bcd2bcb65c4946b41c63e3e98f
diff --git a/play-services-core/build.gradle b/play-services-core/build.gradle
index b43dfe90..6444474d 100644
--- a/play-services-core/build.gradle
+++ b/play-services-core/build.gradle
@@ -19,12 +19,14 @@ apply plugin: 'com.android.application'
 dependencies {
     implementation "com.android.support:support-v4:$supportLibraryVersion"
     implementation "com.android.support:appcompat-v7:$supportLibraryVersion"
+    implementation "com.android.support:mediarouter-v7:$supportLibraryVersion"
     implementation "com.takisoft.fix:preference-v7:$supportLibraryVersion.0"
     implementation "de.hdodenhof:circleimageview:1.3.0"
     implementation "com.squareup.wire:wire-runtime:1.6.1"
 
     implementation project(':microg-ui-tools')
     implementation project(':play-services-api')
+    implementation project(':play-services-cast-api')
     implementation project(':play-services-wearable')
     implementation project(':unifiednlp-base')
     implementation project(':wearable-lib')
diff --git a/play-services-core/src/main/AndroidManifest.xml b/play-services-core/src/main/AndroidManifest.xml
index 2a8b7dd6..5f1ebe13 100644
--- a/play-services-core/src/main/AndroidManifest.xml
+++ b/play-services-core/src/main/AndroidManifest.xml
@@ -395,6 +395,14 @@
             </intent-filter>
         </activity>
 
+        <!-- Cast -->
+
+        <service android:name="com.google.android.gms.cast.media.CastMediaRouteProviderService">
+            <intent-filter>
+                <action android:name="android.media.MediaRouteProviderService" />
+            </intent-filter>
+        </service>
+
         <!-- Chimera spoof -->
         <provider
             android:name="org.microg.gms.ChimeraSpoofProvider"
diff --git a/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastContextImpl.java b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastContextImpl.java
new file mode 100644
index 00000000..bb0ecda0
--- /dev/null
+++ b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastContextImpl.java
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2013-2017 microG Project Team
+ *
+ * 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 com.google.android.gms.cast.framework.internal;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.support.v7.media.MediaControlIntent;
+import android.support.v7.media.MediaRouteSelector;
+import android.util.Log;
+
+import com.google.android.gms.cast.framework.CastOptions;
+import com.google.android.gms.cast.framework.ICastContext;
+import com.google.android.gms.cast.framework.IDiscoveryManager;
+import com.google.android.gms.cast.framework.ISessionManager;
+import com.google.android.gms.dynamic.IObjectWrapper;
+import com.google.android.gms.dynamic.ObjectWrapper;
+
+import java.util.Map;
+
+public class CastContextImpl extends ICastContext.Stub {
+    private static final String TAG = CastContextImpl.class.getSimpleName();
+
+    private SessionManagerImpl sessionManager;
+    private DiscoveryManagerImpl discoveryManager;
+
+    private Context context;
+    private CastOptions options;
+    private IMediaRouter router;
+    private Map map;
+
+    private MediaRouteSelector mergedSelector;
+
+    public CastContextImpl(IObjectWrapper context, CastOptions options, IMediaRouter router, Map map) {
+        Log.d(TAG, "Creating new cast context");
+        this.context = (Context) ObjectWrapper.unwrap(context);
+        this.options = options;
+        this.router = router;
+        this.map = map;
+
+        // TODO: This should incorporate passed options
+        this.mergedSelector = new MediaRouteSelector.Builder()
+            .addControlCategory(MediaControlIntent.CATEGORY_LIVE_VIDEO)
+            .addControlCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK)
+            .build();
+    }
+
+    @Override
+    public Bundle getMergedSelectorAsBundle() throws RemoteException {
+        return this.mergedSelector.asBundle();
+    }
+
+    @Override
+    public boolean isApplicationVisible() throws RemoteException {
+        Log.d(TAG, "unimplemented Method: isApplicationVisible");
+        return true;
+    }
+
+    @Override
+    public ISessionManager getSessionManagerImpl() throws RemoteException {
+        if (this.sessionManager == null) {
+            this.sessionManager = new SessionManagerImpl();
+        }
+        return this.sessionManager;
+    }
+
+    @Override
+    public IDiscoveryManager getDiscoveryManagerImpl() throws RemoteException {
+        if (this.discoveryManager == null) {
+            this.discoveryManager = new DiscoveryManagerImpl(this);
+        }
+        return this.discoveryManager;
+    }
+
+    @Override
+    public void destroy() throws RemoteException {
+        Log.d(TAG, "unimplemented Method: destroy");
+    }
+
+    @Override
+    public void onActivityResumed(IObjectWrapper activity) throws RemoteException {
+        Log.d(TAG, "unimplemented Method: onActivityResumed");
+
+    }
+
+    @Override
+    public void onActivityPaused(IObjectWrapper activity) throws RemoteException {
+        Log.d(TAG, "unimplemented Method: onActivityPaused");
+    }
+
+    @Override
+    public void unknown(String s1, Map m1) throws RemoteException {
+        Log.d(TAG, "unimplemented Method: unknown");
+    }
+
+    public Context getContext() {
+        return this.context;
+    }
+
+    public IMediaRouter getRouter() {
+        return this.router;
+    }
+
+    public MediaRouteSelector getMergedSelector() {
+        return this.mergedSelector;
+    }
+
+    @Override
+    public IObjectWrapper getWrappedThis() throws RemoteException {
+        return ObjectWrapper.wrap(this);
+    }
+}
diff --git a/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastDynamiteModuleImpl.java b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastDynamiteModuleImpl.java
index b5770fee..cd40264f 100644
--- a/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastDynamiteModuleImpl.java
+++ b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastDynamiteModuleImpl.java
@@ -16,8 +16,10 @@
 
 package com.google.android.gms.cast.framework.internal;
 
+import android.content.Context;
 import android.os.Bundle;
 import android.os.RemoteException;
+import android.support.v7.media.MediaRouter;
 import android.util.Log;
 
 import com.google.android.gms.cast.framework.CastOptions;
@@ -26,14 +28,16 @@ import com.google.android.gms.cast.framework.ICastContext;
 import com.google.android.gms.cast.framework.ICastSession;
 import com.google.android.gms.cast.framework.IReconnectionService;
 import com.google.android.gms.cast.framework.ISession;
-import com.google.android.gms.cast.framework.ISessionManager;
 import com.google.android.gms.cast.framework.ISessionProxy;
 import com.google.android.gms.cast.framework.media.CastMediaOptions;
+import com.google.android.gms.cast.framework.internal.CastContextImpl;
+import com.google.android.gms.cast.framework.internal.CastSessionImpl;
+import com.google.android.gms.cast.framework.internal.MediaRouterCallbackImpl;
+import com.google.android.gms.cast.framework.internal.SessionImpl;
 import com.google.android.gms.cast.framework.media.IMediaNotificationService;
 import com.google.android.gms.cast.framework.media.internal.IFetchBitmapTask;
 import com.google.android.gms.cast.framework.media.internal.IFetchBitmapTaskProgressPublisher;
 import com.google.android.gms.dynamic.IObjectWrapper;
-import com.google.android.gms.dynamic.ObjectWrapper;
 
 import java.util.Map;
 
@@ -42,77 +46,33 @@ public class CastDynamiteModuleImpl extends ICastDynamiteModule.Stub {
 
     @Override
     public ICastContext newCastContextImpl(IObjectWrapper context, CastOptions options, IMediaRouter router, Map map) throws RemoteException {
-        Log.d(TAG, "unimplemented Method: newCastContextImpl");
-        return new ICastContext.Stub() {
+        CastContextImpl castContextImpl = new CastContextImpl(context, options, router, map);
 
-            @Override
-            public Bundle getMergedSelectorAsBundle() throws RemoteException {
-                Log.d(TAG, "unimplemented Method: getMergedSelectorAsBundle");
-                return new Bundle();
-            }
+        // TODO: Find a home for this once the rest of the implementation
+        // becomes more clear. Uncomment this to enable discovery of devices.
+        // Note that the scan currently isn't ever disabled as part of the
+        // lifecycle, so we don't want to ship with this.
+        /*
+        Bundle selectorBundle = castContextImpl.getMergedSelector().asBundle();
 
-            @Override
-            public boolean isApplicationVisible() throws RemoteException {
-                Log.d(TAG, "unimplemented Method: isApplicationVisible");
-                return true;
-            }
+        router.clearCallbacks();
+        router.registerMediaRouterCallbackImpl(selectorBundle, new MediaRouterCallbackImpl());
+        router.addCallback(selectorBundle, MediaRouter.CALLBACK_FLAG_PERFORM_ACTIVE_SCAN);
+        */
 
-            @Override
-            public ISessionManager getSessionManager() throws RemoteException {
-                Log.d(TAG, "unimplemented Method: getSessionManager");
-                return new ISessionManager.Stub(){
-                    @Override
-                    public IObjectWrapper getWrappedCurrentSession() throws RemoteException {
-                        Log.d(TAG, "unimplemented Method: getWrappedCurrentSession");
-                        return ObjectWrapper.wrap(null);
-                    }
-
-                    @Override
-                    public void endCurrentSession(boolean b, boolean stopCasting) throws RemoteException {
-                        Log.d(TAG, "unimplemented Method: endCurrentSession");
-
-                    }
-
-                    @Override
-                    public IObjectWrapper getWrappedThis() throws RemoteException {
-                        Log.d(TAG, "unimplemented Method: getWrappedThis");
-                        return ObjectWrapper.wrap(this);
-                    }
-                };
-            }
-
-            @Override
-            public void destroy() throws RemoteException {
-                Log.d(TAG, "unimplemented Method: destroy");
-
-            }
-
-            @Override
-            public void onActivityResumed(IObjectWrapper activity) throws RemoteException {
-                Log.d(TAG, "unimplemented Method: onActivityResumed");
-
-            }
-
-            @Override
-            public void onActivityPaused(IObjectWrapper activity) throws RemoteException {
-                Log.d(TAG, "unimplemented Method: onActivityPaused");
-
-            }
-        };
+        return castContextImpl;
     }
 
     @Override
     public ISession newSessionImpl(String s1, String s2, ISessionProxy proxy) throws RemoteException {
         Log.d(TAG, "unimplemented Method: newSessionImpl");
-        return new ISession.Stub() {
-        };
+        return new SessionImpl();
     }
 
     @Override
     public ICastSession newCastSessionImpl(CastOptions options, IObjectWrapper session, ICastConnectionController controller) throws RemoteException {
         Log.d(TAG, "unimplemented Method: newCastSessionImpl");
-        return new ICastSession.Stub() {
-        };
+        return new CastSessionImpl();
     }
 
     @Override
diff --git a/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastSessionImpl.java b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastSessionImpl.java
new file mode 100644
index 00000000..993e5da1
--- /dev/null
+++ b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/CastSessionImpl.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2013-2017 microG Project Team
+ *
+ * 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 com.google.android.gms.cast.framework.internal;
+
+import com.google.android.gms.cast.framework.ICastSession;
+
+public class CastSessionImpl extends ICastSession.Stub {
+    private static final String TAG = CastSessionImpl.class.getSimpleName();
+}
diff --git a/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/DiscoveryManagerImpl.java b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/DiscoveryManagerImpl.java
new file mode 100644
index 00000000..53c67b8b
--- /dev/null
+++ b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/DiscoveryManagerImpl.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2013-2017 microG Project Team
+ *
+ * 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 com.google.android.gms.cast.framework.internal;
+
+import android.os.RemoteException;
+import android.util.Log;
+
+import com.google.android.gms.cast.framework.IDiscoveryManager;
+import com.google.android.gms.cast.framework.IDiscoveryManagerListener;
+import com.google.android.gms.cast.framework.internal.CastContextImpl;
+import com.google.android.gms.dynamic.IObjectWrapper;
+import com.google.android.gms.dynamic.ObjectWrapper;
+
+import java.util.Set;
+import java.util.HashSet;
+
+public class DiscoveryManagerImpl extends IDiscoveryManager.Stub {
+    private static final String TAG = DiscoveryManagerImpl.class.getSimpleName();
+
+    private CastContextImpl castContextImpl;
+
+    private Set discoveryManagerListeners = new HashSet();
+
+    public DiscoveryManagerImpl(CastContextImpl castContextImpl) {
+        Log.d(TAG, "Creating new discovery manager");
+        this.castContextImpl = castContextImpl;
+    }
+
+    @Override
+    public void startDiscovery() {
+        Log.d(TAG, "unimplemented Method: startDiscovery");
+    }
+
+    @Override
+    public void stopDiscovery() {
+        Log.d(TAG, "unimplemented Method: stopDiscovery");
+    }
+
+    @Override
+    public void addDiscoveryManagerListener(IDiscoveryManagerListener listener) {
+        Log.d(TAG, "unimplemented Method: addDiscoveryManagerListener");
+        this.discoveryManagerListeners.add(listener);
+    }
+
+    @Override
+    public void removeDiscoveryManagerListener(IDiscoveryManagerListener listener) {
+        Log.d(TAG, "unimplemented Method: removeDiscoveryManagerListener");
+        this.discoveryManagerListeners.remove(listener);
+    }
+
+    @Override
+    public IObjectWrapper getWrappedThis() throws RemoteException {
+        return ObjectWrapper.wrap(this);
+    }
+}
diff --git a/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/MediaRouterCallbackImpl.java b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/MediaRouterCallbackImpl.java
new file mode 100644
index 00000000..59ea5742
--- /dev/null
+++ b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/MediaRouterCallbackImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2013-2017 microG Project Team
+ *
+ * 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 com.google.android.gms.cast.framework.internal;
+
+import android.os.Bundle;
+import android.util.Log;
+
+public class MediaRouterCallbackImpl extends IMediaRouterCallback.Stub {
+    private static final String TAG = MediaRouterCallbackImpl.class.getSimpleName();
+
+    @Override
+    public void onRouteAdded(String routeId, Bundle extras) {
+        Log.d(TAG, "unimplemented Method: onRouteAdded");
+    }
+    @Override
+    public void onRouteChanged(String routeId, Bundle extras) {
+        Log.d(TAG, "unimplemented Method: onRouteChanged");
+    }
+    @Override
+    public void onRouteRemoved(String routeId, Bundle extras) {
+        Log.d(TAG, "unimplemented Method: onRouteRemoved");
+    }
+    @Override
+    public void onRouteSelected(String routeId, Bundle extras) {
+        Log.d(TAG, "unimplemented Method: onRouteSelected");
+    }
+    @Override
+    public void unknown(String routeId, Bundle extras) {
+        Log.d(TAG, "unimplemented Method: unknown");
+    }
+    @Override
+    public void onRouteUnselected(String routeId, Bundle extras, int reason) {
+        Log.d(TAG, "unimplemented Method: onRouteUnselected");
+    }
+}
diff --git a/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/SessionImpl.java b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/SessionImpl.java
new file mode 100644
index 00000000..5d0185c3
--- /dev/null
+++ b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/SessionImpl.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2013-2017 microG Project Team
+ *
+ * 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 com.google.android.gms.cast.framework.internal;
+
+import android.util.Log;
+
+import com.google.android.gms.cast.framework.ISession;
+import com.google.android.gms.dynamic.IObjectWrapper;
+import com.google.android.gms.dynamic.ObjectWrapper;
+
+public class SessionImpl extends ISession.Stub {
+    private static final String TAG = SessionImpl.class.getSimpleName();
+
+    @Override
+    public void notifySessionEnded(int error) {
+        Log.d(TAG, "unimplemented Method: notifySessionEnded");
+    }
+
+    @Override
+    public boolean isConnected() {
+        Log.d(TAG, "unimplemented Method: isConnected");
+        return true;
+    }
+
+    @Override
+    public boolean isResuming() {
+        Log.d(TAG, "unimplemented Method: isResuming");
+        return false;
+    }
+
+    @Override
+    public IObjectWrapper getWrappedThis() {
+        return ObjectWrapper.wrap(this);
+    }
+}
diff --git a/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/SessionManagerImpl.java b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/SessionManagerImpl.java
new file mode 100644
index 00000000..6b0bc005
--- /dev/null
+++ b/play-services-core/src/main/java/com/google/android/gms/cast/framework/internal/SessionManagerImpl.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2013-2017 microG Project Team
+ *
+ * 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 com.google.android.gms.cast.framework.internal;
+
+import android.os.RemoteException;
+import android.util.Log;
+
+import com.google.android.gms.cast.framework.ICastStateListener;
+import com.google.android.gms.cast.framework.ISessionManager;
+import com.google.android.gms.cast.framework.ISessionManagerListener;
+import com.google.android.gms.cast.framework.internal.SessionImpl;
+import com.google.android.gms.dynamic.IObjectWrapper;
+import com.google.android.gms.dynamic.ObjectWrapper;
+
+import java.util.Set;
+import java.util.HashSet;
+
+public class SessionManagerImpl extends ISessionManager.Stub {
+    private static final String TAG = SessionManagerImpl.class.getSimpleName();
+
+    private Set sessionManagerListeners = new HashSet();
+    private Set castStateListeners = new HashSet();
+
+    private SessionImpl currentSession;
+
+    @Override
+    public IObjectWrapper getWrappedCurrentSession() throws RemoteException {
+        Log.d(TAG, "unimplemented Method: getWrappedCurrentSession");
+        return ObjectWrapper.wrap(this.currentSession);
+    }
+
+    @Override
+    public void endCurrentSession(boolean b, boolean stopCasting) throws RemoteException {
+        Log.d(TAG, "unimplemented Method: endCurrentSession");
+    }
+
+    @Override
+    public void addSessionManagerListener(ISessionManagerListener listener) {
+        Log.d(TAG, "unimplemented Method: addSessionManagerListener");
+        this.sessionManagerListeners.add(listener);
+    }
+
+    @Override
+    public void removeSessionManagerListener(ISessionManagerListener listener) {
+        Log.d(TAG, "unimplemented Method: removeSessionManagerListener");
+        this.sessionManagerListeners.remove(listener);
+    }
+
+    @Override
+    public void addCastStateListener(ICastStateListener listener) {
+        Log.d(TAG, "unimplemented Method: addCastStateListener");
+        this.castStateListeners.add(listener);
+    }
+
+    @Override
+    public void removeCastStateListener(ICastStateListener listener) {
+        Log.d(TAG, "unimplemented Method: removeCastStateListener");
+        this.castStateListeners.remove(listener);
+    }
+
+    @Override
+    public IObjectWrapper getWrappedThis() throws RemoteException {
+        return ObjectWrapper.wrap(this);
+    }
+}
diff --git a/play-services-core/src/main/java/com/google/android/gms/cast/media/CastMediaRouteProviderService.java b/play-services-core/src/main/java/com/google/android/gms/cast/media/CastMediaRouteProviderService.java
new file mode 100644
index 00000000..47d18154
--- /dev/null
+++ b/play-services-core/src/main/java/com/google/android/gms/cast/media/CastMediaRouteProviderService.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2013-2017 microG Project Team
+ *
+ * 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 com.google.android.gms.cast.media;
+
+import org.microg.gms.cast.CastMediaRouteProvider;
+
+import android.support.v7.media.MediaRouteProviderService;
+import android.support.v7.media.MediaRouteProvider;
+import android.util.Log;
+
+public class CastMediaRouteProviderService extends MediaRouteProviderService {
+    private static final String TAG = CastMediaRouteProviderService.class.getSimpleName();
+
+    @Override
+    public MediaRouteProvider onCreateMediaRouteProvider() {
+        return new CastMediaRouteProvider(this);
+    }
+}
diff --git a/play-services-core/src/main/java/org/microg/gms/cast/CastMediaRouteProvider.java b/play-services-core/src/main/java/org/microg/gms/cast/CastMediaRouteProvider.java
new file mode 100644
index 00000000..efd99955
--- /dev/null
+++ b/play-services-core/src/main/java/org/microg/gms/cast/CastMediaRouteProvider.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2013-2017 microG Project Team
+ *
+ * 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 org.microg.gms.cast;
+
+import android.content.Context;
+import android.content.IntentFilter;
+import android.net.Uri;
+import android.os.Bundle;
+import android.support.v7.media.MediaControlIntent;
+import android.support.v7.media.MediaRouteDescriptor;
+import android.support.v7.media.MediaRouteDiscoveryRequest;
+import android.support.v7.media.MediaRouteProvider;
+import android.support.v7.media.MediaRouteProviderDescriptor;
+import android.support.v7.media.MediaRouter;
+import android.util.Log;
+
+import com.google.android.gms.common.images.WebImage;
+import com.google.android.gms.cast.CastDevice;
+
+import java.util.ArrayList;
+import java.net.InetAddress;
+import java.net.Inet4Address;
+
+public class CastMediaRouteProvider extends MediaRouteProvider {
+    private static final String TAG = CastMediaRouteProvider.class.getSimpleName();
+
+    public CastMediaRouteProvider(Context context) {
+        super(context);
+        Log.d(TAG, "unimplemented Method: CastMediaRouteProvider");
+
+        // Uncomment this to create the mock device
+        // publishRoutes();
+    }
+
+    /**
+     * TODO: Mock control filters for chromecast; Will likely need to be
+     * adjusted.
+     */
+    private static final ArrayList<IntentFilter> CONTROL_FILTERS;
+    static {
+        IntentFilter f2 = new IntentFilter();
+        f2.addCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK);
+        f2.addAction(MediaControlIntent.ACTION_PLAY);
+
+        CONTROL_FILTERS = new ArrayList<IntentFilter>();
+        CONTROL_FILTERS.add(f2);
+    }
+
+    @Override
+    public void onDiscoveryRequestChanged(MediaRouteDiscoveryRequest request) {
+        Log.d(TAG, "unimplemented Method: onDiscoveryRequestChanged");
+    }
+
+    @Override
+    public RouteController onCreateRouteController(String routeId) {
+        Log.d(TAG, "unimplemented Method: onCreateRouteController");
+        return null;
+    }
+
+    /**
+     * TODO: Currently this method simply publishes a single cast route for
+     * testing.
+     */
+    private void publishRoutes() {
+        Log.d(TAG, "unimplemented Method: publishRoutes");
+        Bundle extras = new Bundle();
+        CastDevice castDevice = new CastDevice("abc123");
+        castDevice.putInBundle(extras);
+        MediaRouteDescriptor routeDescriptor1 = new MediaRouteDescriptor.Builder(
+            "abc123",
+            "Rotue Friendly Name")
+            .setDescription("Chromecast")
+            .addControlFilters(CONTROL_FILTERS)
+            .setDeviceType(MediaRouter.RouteInfo.DEVICE_TYPE_TV)
+            .setPlaybackType(MediaRouter.RouteInfo.PLAYBACK_TYPE_REMOTE)
+            .setVolumeHandling(MediaRouter.RouteInfo.PLAYBACK_VOLUME_FIXED)
+            .setVolumeMax(20)
+            .setVolume(0)
+            .setEnabled(true)
+            .setExtras(extras)
+            .setConnectionState(MediaRouter.RouteInfo.CONNECTION_STATE_DISCONNECTED)
+            .build();
+        MediaRouteProviderDescriptor providerDescriptor =
+            new MediaRouteProviderDescriptor.Builder()
+            .addRoute(routeDescriptor1)
+            .build();
+        this.setDescriptor(providerDescriptor);
+    }
+}