1 files changed, 216 insertions, 0 deletions
diff --git a/media/apex/java/android/media/Controller2Link.java b/media/apex/java/android/media/Controller2Link.java
new file mode 100644
index 000000000000..d11f7769ee5e
--- /dev/null
+++ b/media/apex/java/android/media/Controller2Link.java
@@ -0,0 +1,216 @@
+/*
+ * Copyright 2018 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 android.media;
+
+import android.os.Binder;
+import android.os.Bundle;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.os.RemoteException;
+import android.os.ResultReceiver;
+
+import java.util.Objects;
+
+/**
+ * Handles incoming commands from {@link MediaSession2} to both {@link MediaController2}.
+ * @hide
+ */
+// @SystemApi
+public final class Controller2Link implements Parcelable {
+    private static final String TAG = "Controller2Link";
+    private static final boolean DEBUG = MediaController2.DEBUG;
+
+    public static final Parcelable.Creator<Controller2Link> CREATOR =
+            new Parcelable.Creator<Controller2Link>() {
+                @Override
+                public Controller2Link createFromParcel(Parcel in) {
+                    return new Controller2Link(in);
+                }
+
+                @Override
+                public Controller2Link[] newArray(int size) {
+                    return new Controller2Link[size];
+                }
+            };
+
+
+    private final MediaController2 mController;
+    private final IMediaController2 mIController;
+
+    public Controller2Link(MediaController2 controller) {
+        mController = controller;
+        mIController = new Controller2Stub();
+    }
+
+    Controller2Link(Parcel in) {
+        mController = null;
+        mIController = IMediaController2.Stub.asInterface(in.readStrongBinder());
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeStrongBinder(mIController.asBinder());
+    }
+
+    @Override
+    public int hashCode() {
+        return mIController.asBinder().hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof Controller2Link)) {
+            return false;
+        }
+        Controller2Link other = (Controller2Link) obj;
+        return Objects.equals(mIController.asBinder(), other.mIController.asBinder());
+    }
+
+    /** Interface method for IMediaController2.notifyConnected */
+    public void notifyConnected(int seq, Bundle connectionResult) {
+        try {
+            mIController.notifyConnected(seq, connectionResult);
+        } catch (RemoteException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /** Interface method for IMediaController2.notifyDisonnected */
+    public void notifyDisconnected(int seq) {
+        try {
+            mIController.notifyDisconnected(seq);
+        } catch (RemoteException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /** Interface method for IMediaController2.notifyPlaybackActiveChanged */
+    public void notifyPlaybackActiveChanged(int seq, boolean playbackActive) {
+        try {
+            mIController.notifyPlaybackActiveChanged(seq, playbackActive);
+        } catch (RemoteException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /** Interface method for IMediaController2.sendSessionCommand */
+    public void sendSessionCommand(int seq, Session2Command command, Bundle args,
+            ResultReceiver resultReceiver) {
+        try {
+            mIController.sendSessionCommand(seq, command, args, resultReceiver);
+        } catch (RemoteException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /** Interface method for IMediaController2.cancelSessionCommand */
+    public void cancelSessionCommand(int seq) {
+        try {
+            mIController.cancelSessionCommand(seq);
+        } catch (RemoteException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /** Stub implementation for IMediaController2.notifyConnected */
+    public void onConnected(int seq, Bundle connectionResult) {
+        if (connectionResult == null) {
+            onDisconnected(seq);
+            return;
+        }
+        mController.onConnected(seq, connectionResult);
+    }
+
+    /** Stub implementation for IMediaController2.notifyDisonnected */
+    public void onDisconnected(int seq) {
+        mController.onDisconnected(seq);
+    }
+
+    /** Stub implementation for IMediaController2.notifyPlaybackActiveChanged */
+    public void onPlaybackActiveChanged(int seq, boolean playbackActive) {
+        mController.onPlaybackActiveChanged(seq, playbackActive);
+    }
+
+    /** Stub implementation for IMediaController2.sendSessionCommand */
+    public void onSessionCommand(int seq, Session2Command command, Bundle args,
+            ResultReceiver resultReceiver) {
+        mController.onSessionCommand(seq, command, args, resultReceiver);
+    }
+
+    /** Stub implementation for IMediaController2.cancelSessionCommand */
+    public void onCancelCommand(int seq) {
+        mController.onCancelCommand(seq);
+    }
+
+    private class Controller2Stub extends IMediaController2.Stub {
+        @Override
+        public void notifyConnected(int seq, Bundle connectionResult) {
+            final long token = Binder.clearCallingIdentity();
+            try {
+                Controller2Link.this.onConnected(seq, connectionResult);
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+        }
+
+        @Override
+        public void notifyDisconnected(int seq) {
+            final long token = Binder.clearCallingIdentity();
+            try {
+                Controller2Link.this.onDisconnected(seq);
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+        }
+
+        @Override
+        public void notifyPlaybackActiveChanged(int seq, boolean playbackActive) {
+            final long token = Binder.clearCallingIdentity();
+            try {
+                Controller2Link.this.onPlaybackActiveChanged(seq, playbackActive);
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+        }
+
+        @Override
+        public void sendSessionCommand(int seq, Session2Command command, Bundle args,
+                ResultReceiver resultReceiver) {
+            final long token = Binder.clearCallingIdentity();
+            try {
+                Controller2Link.this.onSessionCommand(seq, command, args, resultReceiver);
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+        }
+
+        @Override
+        public void cancelSessionCommand(int seq) {
+            final long token = Binder.clearCallingIdentity();
+            try {
+                Controller2Link.this.onCancelCommand(seq);
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+        }
+    }
+}