Add ability to throw exceptions when playing media items

Test: manual
Change-Id: I94a1a08e601bda8750797e5d1b20a04e93471382

4 files changed, 31 insertions, 5 deletions

diff --git a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaBrowser.java b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaBrowser.java
index 8292064..c795610 100644
--- a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaBrowser.java
+++ b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaBrowser.java
@@ -105,7 +105,7 @@ public class TmaBrowser extends MediaBrowserServiceCompat {
                             TmaMediaEvent.StateErrorCode.AUTHENTICATION_EXPIRED,
                             getResources().getString(R.string.no_account),
                             getResources().getString(R.string.select_account),
-                            TmaMediaEvent.ResolutionIntent.PREFS, 0));
+                            TmaMediaEvent.ResolutionIntent.PREFS, 0, null));
         } else {
             // TODO don't reset error in all cases...
             PlaybackStateCompat.Builder playbackState = new PlaybackStateCompat.Builder();
diff --git a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaMediaEvent.java b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaMediaEvent.java
index 3bec7ac..f6ec8af 100644
--- a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaMediaEvent.java
+++ b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaMediaEvent.java
@@ -42,15 +42,18 @@ import static android.support.v4.media.session.PlaybackStateCompat.STATE_SKIPPIN
 import static android.support.v4.media.session.PlaybackStateCompat.STATE_STOPPED;
 
 import android.support.v4.media.session.PlaybackStateCompat.State;
+import android.util.Log;
 
 /**
  * Contains the info needed to generate a new playback state.
  */
 public class TmaMediaEvent {
 
+    private static final String TAG = "TmaMediaEvent";
+
     public static final TmaMediaEvent INSTANT_PLAYBACK =
             new TmaMediaEvent(EventState.PLAYING, StateErrorCode.UNKNOWN_ERROR, null, null,
-                    ResolutionIntent.NONE, 0);
+                    ResolutionIntent.NONE, 0, null);
 
     /** The name of each entry is the value used in the json file. */
     public enum EventState {
@@ -109,21 +112,38 @@ public class TmaMediaEvent {
     final ResolutionIntent mResolutionIntent;
     /** How long to wait before sending the event to the app. */
     final int mPostDelayMs;
+    private final String mExceptionClass;
 
     public TmaMediaEvent(EventState state, StateErrorCode errorCode, String errorMessage,
-            String actionLabel, ResolutionIntent resolutionIntent, int postDelayMs) {
+            String actionLabel, ResolutionIntent resolutionIntent, int postDelayMs,
+            String exceptionClass) {
         mState = state;
         mErrorCode = errorCode;
         mErrorMessage = errorMessage;
         mActionLabel = actionLabel;
         mResolutionIntent = resolutionIntent;
         mPostDelayMs = postDelayMs;
+        mExceptionClass = exceptionClass;
     }
 
     boolean premiumAccountRequired() {
         return mState == EventState.ERROR && mErrorCode == StateErrorCode.PREMIUM_ACCOUNT_REQUIRED;
     }
 
+    void maybeThrow() {
+        if (mExceptionClass != null) {
+            RuntimeException exception = null;
+            try {
+                Class aClass = Class.forName(mExceptionClass);
+                exception = (RuntimeException) aClass.newInstance();
+            } catch (ClassNotFoundException | InstantiationException | IllegalAccessException e) {
+                Log.e(TAG, "Class error for " + mExceptionClass + " : " + e);
+            }
+
+            if (exception != null) throw exception;
+        }
+    }
+
     @Override
     public String toString() {
         return "TmaMediaEvent{" +
@@ -133,6 +153,7 @@ public class TmaMediaEvent {
                 ", mActionLabel='" + mActionLabel + '\'' +
                 ", mResolutionIntent=" + mResolutionIntent +
                 ", mPostDelayMs=" + mPostDelayMs +
+                ", mExceptionClass=" + mExceptionClass +
                 '}';
     }
 }
diff --git a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaPlayer.java b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaPlayer.java
index c6213b2..dc368ea 100644
--- a/TestMediaApp/src/com/android/car/media/testmediaapp/TmaPlayer.java
+++ b/TestMediaApp/src/com/android/car/media/testmediaapp/TmaPlayer.java
@@ -226,6 +226,7 @@ public class TmaPlayer extends MediaSessionCompat.Callback {
         if (mActiveItem == null) return;
 
         TmaMediaEvent event = mActiveItem.mMediaEvents.get(mNextEventIndex);
+        event.maybeThrow();
 
         if (event.premiumAccountRequired() &&
                 TmaAccountType.PAID.equals(mPrefs.mAccountType.getValue())) {
diff --git a/TestMediaApp/src/com/android/car/media/testmediaapp/loader/TmaMediaEventReader.java b/TestMediaApp/src/com/android/car/media/testmediaapp/loader/TmaMediaEventReader.java
index b6d1a7a..c2e573a 100644
--- a/TestMediaApp/src/com/android/car/media/testmediaapp/loader/TmaMediaEventReader.java
+++ b/TestMediaApp/src/com/android/car/media/testmediaapp/loader/TmaMediaEventReader.java
@@ -21,6 +21,8 @@ import static com.android.car.media.testmediaapp.loader.TmaLoaderUtils.getEnum;
 import static com.android.car.media.testmediaapp.loader.TmaLoaderUtils.getInt;
 import static com.android.car.media.testmediaapp.loader.TmaLoaderUtils.getString;
 
+import android.util.Log;
+
 import androidx.annotation.Nullable;
 
 import com.android.car.media.testmediaapp.TmaMediaEvent;
@@ -52,7 +54,8 @@ class TmaMediaEventReader {
         ACTION_LABEL,
         INTENT,
         /** How long to wait before sending the event to the app. */
-        POST_DELAY_MS
+        POST_DELAY_MS,
+        THROW_EXCEPTION
     }
 
     private static TmaMediaEventReader sInstance;
@@ -83,6 +86,7 @@ class TmaMediaEventReader {
                 getString(json, Keys.ERROR_MESSAGE),
                 getString(json, Keys.ACTION_LABEL),
                 getEnum(json, Keys.INTENT, mResolutionIntents, ResolutionIntent.NONE),
-                getInt(json, Keys.POST_DELAY_MS));
+                getInt(json, Keys.POST_DELAY_MS),
+                getString(json, Keys.THROW_EXCEPTION));
     }
 }