allow fine control on where to show the cast button

1 files changed, 70 insertions, 0 deletions

diff --git a/core/src/main/java/de/danoeh/antennapod/core/cast/SwitchableMediaRouteActionProvider.java b/core/src/main/java/de/danoeh/antennapod/core/cast/SwitchableMediaRouteActionProvider.java
index 3d40c90fd..f063cf5e3 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/cast/SwitchableMediaRouteActionProvider.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/cast/SwitchableMediaRouteActionProvider.java
@@ -1,7 +1,15 @@
 package de.danoeh.antennapod.core.cast;
 
+import android.app.Activity;
 import android.content.Context;
+import android.content.ContextWrapper;
+import android.support.v4.app.FragmentActivity;
+import android.support.v4.app.FragmentManager;
 import android.support.v7.app.MediaRouteActionProvider;
+import android.support.v7.app.MediaRouteChooserDialogFragment;
+import android.support.v7.app.MediaRouteControllerDialogFragment;
+import android.support.v7.media.MediaRouter;
+import android.util.Log;
 
 /**
  * <p>Action Provider that extends {@link MediaRouteActionProvider} and allows the client to
@@ -11,7 +19,12 @@ import android.support.v7.app.MediaRouteActionProvider;
  * <code>setEnabled(true)</code>.</p>
  */
 public class SwitchableMediaRouteActionProvider extends MediaRouteActionProvider {
+    public static final String TAG = "SwitchblMediaRtActProv";
 
+    private static final String CHOOSER_FRAGMENT_TAG =
+            "android.support.v7.mediarouter:MediaRouteChooserDialogFragment";
+    private static final String CONTROLLER_FRAGMENT_TAG =
+            "android.support.v7.mediarouter:MediaRouteControllerDialogFragment";
     private boolean enabled;
 
     public SwitchableMediaRouteActionProvider(Context context) {
@@ -33,4 +46,61 @@ public class SwitchableMediaRouteActionProvider extends MediaRouteActionProvider
     public boolean isVisible() {
         return enabled && super.isVisible();
     }
+
+    @Override
+    public boolean onPerformDefaultAction() {
+        if (!super.onPerformDefaultAction()) {
+            // there is no button, but we should still show the dialog if it's the case.
+            if (!isVisible()) {
+                return false;
+            }
+            FragmentManager fm = getFragmentManager();
+            if (fm == null) {
+                return false;
+            }
+            MediaRouter.RouteInfo route = MediaRouter.getInstance(getContext()).getSelectedRoute();
+            if (route.isDefault() || !route.matchesSelector(getRouteSelector())) {
+                if (fm.findFragmentByTag(CHOOSER_FRAGMENT_TAG) != null) {
+                    Log.w(TAG, "showDialog(): Route chooser dialog already showing!");
+                    return false;
+                }
+                MediaRouteChooserDialogFragment f =
+                        getDialogFactory().onCreateChooserDialogFragment();
+                f.setRouteSelector(getRouteSelector());
+                f.show(fm, CHOOSER_FRAGMENT_TAG);
+            } else {
+                if (fm.findFragmentByTag(CONTROLLER_FRAGMENT_TAG) != null) {
+                    Log.w(TAG, "showDialog(): Route controller dialog already showing!");
+                    return false;
+                }
+                MediaRouteControllerDialogFragment f =
+                        getDialogFactory().onCreateControllerDialogFragment();
+                f.show(fm, CONTROLLER_FRAGMENT_TAG);
+            }
+            return true;
+
+        } else {
+            return true;
+        }
+    }
+
+    private FragmentManager getFragmentManager() {
+        Activity activity = getActivity();
+        if (activity instanceof FragmentActivity) {
+            return ((FragmentActivity)activity).getSupportFragmentManager();
+        }
+        return null;
+    }
+
+    private Activity getActivity() {
+        // Gross way of unwrapping the Activity so we can get the FragmentManager
+        Context context = getContext();
+        while (context instanceof ContextWrapper) {
+            if (context instanceof Activity) {
+                return (Activity)context;
+            }
+            context = ((ContextWrapper)context).getBaseContext();
+        }
+        return null;
+    }
 }