implement custom mediaroute playback controller

11 files changed, 363 insertions, 18 deletions

diff --git a/app/src/free/java/de/danoeh/antennapod/config/CastCallbackImpl.java b/app/src/free/java/de/danoeh/antennapod/config/CastCallbackImpl.java
new file mode 100644
index 000000000..5e714f02c
--- /dev/null
+++ b/app/src/free/java/de/danoeh/antennapod/config/CastCallbackImpl.java
@@ -0,0 +1,7 @@
+package de.danoeh.antennapod.config;
+
+import de.danoeh.antennapod.core.CastCallbacks;
+
+public class CastCallbackImpl implements CastCallbacks {
+
+}
diff --git a/app/src/main/java/de/danoeh/antennapod/config/ClientConfigurator.java b/app/src/main/java/de/danoeh/antennapod/config/ClientConfigurator.java
index 932b9d22f..f26f2ea76 100644
--- a/app/src/main/java/de/danoeh/antennapod/config/ClientConfigurator.java
+++ b/app/src/main/java/de/danoeh/antennapod/config/ClientConfigurator.java
@@ -16,5 +16,6 @@ public class ClientConfigurator {
         ClientConfig.playbackServiceCallbacks = new PlaybackServiceCallbacksImpl();
         ClientConfig.flattrCallbacks = new FlattrCallbacksImpl();
         ClientConfig.dbTasksCallbacks = new DBTasksCallbacksImpl();
+        ClientConfig.castCallbacks = new CastCallbackImpl();
     }
 }
diff --git a/app/src/play/java/de/danoeh/antennapod/cast/CustomMRControllerDialog.java b/app/src/play/java/de/danoeh/antennapod/cast/CustomMRControllerDialog.java
new file mode 100644
index 000000000..7469e830a
--- /dev/null
+++ b/app/src/play/java/de/danoeh/antennapod/cast/CustomMRControllerDialog.java
@@ -0,0 +1,226 @@
+package de.danoeh.antennapod.cast;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.support.v4.media.MediaDescriptionCompat;
+import android.support.v4.media.MediaMetadataCompat;
+import android.support.v4.media.session.MediaControllerCompat;
+import android.support.v4.media.session.MediaSessionCompat;
+import android.support.v4.media.session.PlaybackStateCompat;
+import android.support.v7.app.MediaRouteControllerDialog;
+import android.support.v7.media.MediaRouter;
+import android.text.TextUtils;
+import android.util.Log;
+import android.util.TypedValue;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+import android.widget.ImageButton;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import de.danoeh.antennapod.R;
+
+public class CustomMRControllerDialog extends MediaRouteControllerDialog {
+    public static final String TAG = "CustomMRContrDialog";
+
+    private MediaRouter mediaRouter;
+    private MediaSessionCompat.Token token;
+
+    private ImageView artView;
+    private TextView titleView;
+    private TextView subtitleView;
+    private ImageButton playPauseButton;
+    private LinearLayout rootView;
+
+    private MediaControllerCompat mediaController;
+    private MediaControllerCompat.Callback mediaControllerCallback;
+
+    public CustomMRControllerDialog(Context context) {
+        this(context, 0);
+    }
+
+    public CustomMRControllerDialog(Context context, int theme) {
+        super(context, theme);
+        mediaRouter = MediaRouter.getInstance(getContext());
+        token = mediaRouter.getMediaSessionToken();
+        try {
+            if (token != null) {
+                mediaController = new MediaControllerCompat(getContext(), token);
+            }
+        } catch (RemoteException e) {
+            Log.e(TAG, "Error creating media controller", e);
+        }
+
+        if (mediaController != null) {
+            mediaControllerCallback = new MediaControllerCompat.Callback() {
+                @Override
+                public void onSessionDestroyed() {
+                    if (mediaController != null) {
+                        mediaController.unregisterCallback(mediaControllerCallback);
+                        mediaController = null;
+                    }
+                }
+
+                @Override
+                public void onMetadataChanged(MediaMetadataCompat metadata) {
+                    updateViews();
+                }
+
+                @Override
+                public void onPlaybackStateChanged(PlaybackStateCompat state) {
+                    updateState();
+                }
+            };
+            mediaController.registerCallback(mediaControllerCallback);
+        }
+    }
+
+    @Override
+    public View onCreateMediaControlView(Bundle savedInstanceState) {
+        rootView = new LinearLayout(getContext());
+        rootView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT));
+        rootView.setOrientation(LinearLayout.VERTICAL);
+
+        artView = new ImageView(getContext()) {
+            @Override
+            protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+                int desiredWidth = widthMeasureSpec;
+                int desiredHeight = heightMeasureSpec;
+                if (MeasureSpec.getMode(heightMeasureSpec) != MeasureSpec.EXACTLY) {
+                    Drawable drawable = getDrawable();
+                    if (drawable != null) {
+                        int originalWidth = MeasureSpec.getSize(widthMeasureSpec);
+                        int intrHeight = drawable.getIntrinsicHeight();
+                        int intrWidth = drawable.getIntrinsicWidth();
+                        float scale;
+                        if (intrHeight*16 > intrWidth*9) {
+                            // image is taller than 16:9
+                            scale = (float) originalWidth * 9 / 16 / intrHeight;
+                        } else {
+                            // image is more horizontal than 16:9
+                            scale = (float) originalWidth / intrWidth;
+                        }
+                        desiredHeight = MeasureSpec.makeMeasureSpec((int) (intrHeight * scale + 0.5f), MeasureSpec.EXACTLY);
+                    }
+                }
+
+                super.onMeasure(desiredWidth, desiredHeight);
+            }
+        };
+        artView.setLayoutParams(new FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT));
+        artView.setScaleType(ImageView.ScaleType.FIT_CENTER);
+
+        rootView.addView(artView);
+        View playbackControlLayout = View.inflate(getContext(), R.layout.media_router_controller, rootView);
+
+        titleView = (TextView) playbackControlLayout.findViewById(R.id.mrc_control_title);
+        subtitleView = (TextView) playbackControlLayout.findViewById(R.id.mrc_control_subtitle);
+        playPauseButton = (ImageButton) playbackControlLayout.findViewById(R.id.mrc_control_play_pause);
+
+        updateViews();
+        return rootView;
+    }
+
+    private void updateViews() {
+        if (token == null || artView == null || mediaController == null) {
+            rootView.setVisibility(View.GONE);
+            return;
+        }
+        MediaMetadataCompat metadata = mediaController.getMetadata();
+        MediaDescriptionCompat description = metadata == null ? null : metadata.getDescription();
+        if (description == null) {
+            rootView.setVisibility(View.GONE);
+            return;
+        }
+
+        PlaybackStateCompat state = mediaController.getPlaybackState();
+        MediaRouter.RouteInfo route = MediaRouter.getInstance(getContext()).getSelectedRoute();
+
+        CharSequence title = description.getTitle();
+        boolean hasTitle = !TextUtils.isEmpty(title);
+        CharSequence subtitle = description.getSubtitle();
+        boolean hasSubtitle = !TextUtils.isEmpty(subtitle);
+
+        boolean showTitle = false;
+        boolean showSubtitle = false;
+        if (route.getPresentationDisplayId() != MediaRouter.RouteInfo.PRESENTATION_DISPLAY_ID_NONE) {
+            // The user is currently casting screen.
+            titleView.setText(android.support.v7.mediarouter.R.string.mr_controller_casting_screen);
+            showTitle = true;
+        } else if (state == null || state.getState() == PlaybackStateCompat.STATE_NONE) {
+            // Show "No media selected" as we don't yet know the playback state.
+            // (Only exception is bluetooth where we don't show anything.)
+            if (!route.isDeviceTypeBluetooth()) {
+                titleView.setText(android.support.v7.mediarouter.R.string.mr_controller_no_media_selected);
+                showTitle = true;
+            }
+        } else if (!hasTitle && !hasSubtitle) {
+            titleView.setText(android.support.v7.mediarouter.R.string.mr_controller_no_info_available);
+            showTitle = true;
+        } else {
+            if (hasTitle) {
+                titleView.setText(title);
+                showTitle = true;
+            }
+            if (hasSubtitle) {
+                subtitleView.setText(subtitle);
+                showSubtitle = true;
+            }
+        }
+        titleView.setVisibility(showTitle ? View.VISIBLE : View.GONE);
+        subtitleView.setVisibility(showSubtitle ? View.VISIBLE : View.GONE);
+
+        updateState();
+
+        Bitmap art = metadata.getBitmap(MediaMetadataCompat.METADATA_KEY_ART);
+        if (art == null) {
+            artView.setVisibility(View.GONE);
+            return;
+        }
+        artView.setImageBitmap(art);
+        artView.setVisibility(View.VISIBLE);
+        rootView.setVisibility(View.VISIBLE);
+    }
+
+    private void updateState() {
+        if (mediaController == null) {
+            return;
+        }
+        PlaybackStateCompat state = mediaController.getPlaybackState();
+        if (state != null) {
+            boolean isPlaying = state.getState() == PlaybackStateCompat.STATE_BUFFERING
+                    || state.getState() == PlaybackStateCompat.STATE_PLAYING;
+            boolean supportsPlay = (state.getActions() & (PlaybackStateCompat.ACTION_PLAY
+                    | PlaybackStateCompat.ACTION_PLAY_PAUSE)) != 0;
+            boolean supportsPause = (state.getActions() & (PlaybackStateCompat.ACTION_PAUSE
+                    | PlaybackStateCompat.ACTION_PLAY_PAUSE)) != 0;
+            if (isPlaying && supportsPause) {
+                playPauseButton.setVisibility(View.VISIBLE);
+                playPauseButton.setImageResource(getThemeResource(getContext(),
+                        android.support.v7.mediarouter.R.attr.mediaRoutePauseDrawable));
+                playPauseButton.setContentDescription(getContext().getResources()
+                        .getText(android.support.v7.mediarouter.R.string.mr_controller_pause));
+            } else if (!isPlaying && supportsPlay) {
+                playPauseButton.setVisibility(View.VISIBLE);
+                playPauseButton.setImageResource(getThemeResource(getContext(),
+                        android.support.v7.mediarouter.R.attr.mediaRoutePlayDrawable));
+                playPauseButton.setContentDescription(getContext().getResources()
+                        .getText(android.support.v7.mediarouter.R.string.mr_controller_play));
+            } else {
+                playPauseButton.setVisibility(View.GONE);
+            }
+        }
+    }
+
+    private static int getThemeResource(Context context, int attr) {
+        TypedValue value = new TypedValue();
+        return context.getTheme().resolveAttribute(attr, value, true) ? value.resourceId : 0;
+    }
+}
diff --git a/app/src/play/java/de/danoeh/antennapod/config/CastCallbackImpl.java b/app/src/play/java/de/danoeh/antennapod/config/CastCallbackImpl.java
new file mode 100644
index 000000000..ca3758351
--- /dev/null
+++ b/app/src/play/java/de/danoeh/antennapod/config/CastCallbackImpl.java
@@ -0,0 +1,29 @@
+package de.danoeh.antennapod.config;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v7.app.MediaRouteControllerDialog;
+import android.support.v7.app.MediaRouteControllerDialogFragment;
+import android.support.v7.app.MediaRouteDialogFactory;
+
+import de.danoeh.antennapod.cast.CustomMRControllerDialog;
+import de.danoeh.antennapod.core.CastCallbacks;
+
+public class CastCallbackImpl implements CastCallbacks {
+    @Override
+    public MediaRouteDialogFactory getMediaRouterDialogFactory() {
+        return new MediaRouteDialogFactory() {
+            @NonNull
+            @Override
+            public MediaRouteControllerDialogFragment onCreateControllerDialogFragment() {
+                return new MediaRouteControllerDialogFragment() {
+                    @Override
+                    public MediaRouteControllerDialog onCreateControllerDialog(Context context, Bundle savedInstanceState) {
+                        return new CustomMRControllerDialog(context);
+                    }
+                };
+            }
+        };
+    }
+}
diff --git a/app/src/play/res/layout/media_router_controller.xml b/app/src/play/res/layout/media_router_controller.xml
new file mode 100644
index 000000000..15c2f9731
--- /dev/null
+++ b/app/src/play/res/layout/media_router_controller.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <!--<ImageView android:id="@+id/mrc_art"-->
+        <!--android:layout_width="match_parent"-->
+        <!--android:layout_height="wrap_content"-->
+        <!--android:adjustViewBounds="true"-->
+        <!--android:scaleType="fitCenter"-->
+        <!--android:background="?attr/colorPrimary"-->
+        <!--android:layout_gravity="top"-->
+        <!--android:visibility="gone"/>-->
+
+    <RelativeLayout android:id="@+id/mrc_playback_control"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:paddingTop="16dp"
+        android:paddingBottom="16dp"
+        android:paddingLeft="24dp"
+        android:paddingStart="24dp"
+        android:paddingRight="12dp"
+        android:paddingEnd="12dp">
+        <ImageButton android:id="@+id/mrc_control_play_pause"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="12dp"
+            android:layout_marginStart="12dp"
+            android:layout_alignParentRight="true"
+            android:layout_alignParentEnd="true"
+            android:contentDescription="@string/mr_controller_play"
+            android:background="?attr/selectableItemBackgroundBorderless"/>
+
+        <LinearLayout android:id="@+id/mrc_control_title_container"
+            android:orientation="vertical"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignParentLeft="true"
+            android:layout_alignParentStart="true"
+            android:layout_toLeftOf="@id/mrc_control_play_pause"
+            android:layout_toStartOf="@id/mrc_control_play_pause">
+            <TextView android:id="@+id/mrc_control_title"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textAppearance="?attr/mediaRouteControllerPrimaryTextStyle"
+                android:singleLine="true" />
+            <TextView android:id="@+id/mrc_control_subtitle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:textAppearance="?attr/mediaRouteControllerSecondaryTextStyle"
+                android:singleLine="true" />
+        </LinearLayout>
+    </RelativeLayout>
+
+    <View android:id="@+id/mrc_control_divider"
+        android:layout_width="fill_parent"
+        android:layout_height="8dp"/>
+</LinearLayout>
\ No newline at end of file
diff --git a/core/src/free/java/de/danoeh/antennapod/core/CastCallbacks.java b/core/src/free/java/de/danoeh/antennapod/core/CastCallbacks.java
new file mode 100644
index 000000000..2e266c736
--- /dev/null
+++ b/core/src/free/java/de/danoeh/antennapod/core/CastCallbacks.java
@@ -0,0 +1,7 @@
+package de.danoeh.antennapod.core;
+
+/**
+ * Callbacks for Chromecast support on the core module
+ */
+public interface CastCallbacks {
+}
diff --git a/core/src/free/java/de/danoeh/antennapod/core/ClientConfig.java b/core/src/free/java/de/danoeh/antennapod/core/ClientConfig.java
index d1c93d782..eb2e6fc9e 100644
--- a/core/src/free/java/de/danoeh/antennapod/core/ClientConfig.java
+++ b/core/src/free/java/de/danoeh/antennapod/core/ClientConfig.java
@@ -30,6 +30,8 @@ public class ClientConfig {
 
     public static DBTasksCallbacks dbTasksCallbacks;
 
+    public static CastCallbacks castCallbacks;
+
     private static boolean initialized = false;
 
     public static synchronized void initialize(Context context) {
diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java b/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java
index 76c960607..c79d662cb 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java
@@ -28,11 +28,9 @@ import android.support.v7.app.NotificationCompat;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;
-import android.view.Display;
 import android.view.InputDevice;
 import android.view.KeyEvent;
 import android.view.SurfaceHolder;
-import android.view.WindowManager;
 import android.widget.Toast;
 
 import com.bumptech.glide.Glide;
@@ -945,31 +943,32 @@ public class PlaybackService extends Service {
             builder.putString(MediaMetadataCompat.METADATA_KEY_DISPLAY_TITLE, p.getEpisodeTitle());
             builder.putString(MediaMetadataCompat.METADATA_KEY_ALBUM, p.getFeedTitle());
 
-            if (p.getImageLocation() != null && UserPreferences.setLockscreenBackground()) {
-                builder.putString(MediaMetadataCompat.METADATA_KEY_ART_URI, p.getImageLocation().toString());
-                try {
-                    if (isCasting) {
+            String imageLocation = p.getImageLocation();
+
+            if (!TextUtils.isEmpty(imageLocation)) {
+                if (isCasting || UserPreferences.setLockscreenBackground()) {
+                    builder.putString(MediaMetadataCompat.METADATA_KEY_ART_URI, imageLocation);
+                    builder.putString(MediaMetadataCompat.METADATA_KEY_DISPLAY_ICON_URI, imageLocation);
+                    try {
                         Bitmap art = Glide.with(this)
-                                .load(p.getImageLocation())
+                                .load(imageLocation)
                                 .asBitmap()
                                 .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY)
                                 .into(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
                                 .get();
                         builder.putBitmap(MediaMetadataCompat.METADATA_KEY_ART, art);
-                    } else {
-                        WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
-                        Display display = wm.getDefaultDisplay();
-                        Bitmap art = Glide.with(this)
-                                .load(p.getImageLocation())
+                        // Icon is useful for MediaDescription,
+                        Bitmap icon = Glide.with(this)
+                                .load(imageLocation)
                                 .asBitmap()
                                 .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY)
-                                .centerCrop()
-                                .into(display.getWidth(), display.getHeight())
+                                .fitCenter()
+                                .into(128, 128)
                                 .get();
-                        builder.putBitmap(MediaMetadataCompat.METADATA_KEY_ART, art);
+                        builder.putBitmap(MediaMetadataCompat.METADATA_KEY_DISPLAY_ICON, icon);
+                    } catch (Throwable tr) {
+                        Log.e(TAG, Log.getStackTraceString(tr));
                     }
-                } catch (Throwable tr) {
-                    Log.e(TAG, Log.getStackTraceString(tr));
                 }
             }
             if (!Thread.currentThread().isInterrupted() && started) {
diff --git a/core/src/play/java/de/danoeh/antennapod/core/CastCallbacks.java b/core/src/play/java/de/danoeh/antennapod/core/CastCallbacks.java
new file mode 100644
index 000000000..770fee9b9
--- /dev/null
+++ b/core/src/play/java/de/danoeh/antennapod/core/CastCallbacks.java
@@ -0,0 +1,12 @@
+package de.danoeh.antennapod.core;
+
+import android.support.annotation.Nullable;
+import android.support.v7.app.MediaRouteDialogFactory;
+
+/**
+ * Callbacks for Chromecast support on the core module
+ */
+public interface CastCallbacks {
+
+    @Nullable MediaRouteDialogFactory getMediaRouterDialogFactory();
+}
diff --git a/core/src/play/java/de/danoeh/antennapod/core/ClientConfig.java b/core/src/play/java/de/danoeh/antennapod/core/ClientConfig.java
index 9bbccbb82..3dfd6ea65 100644
--- a/core/src/play/java/de/danoeh/antennapod/core/ClientConfig.java
+++ b/core/src/play/java/de/danoeh/antennapod/core/ClientConfig.java
@@ -31,6 +31,8 @@ public class ClientConfig {
 
     public static DBTasksCallbacks dbTasksCallbacks;
 
+    public static CastCallbacks castCallbacks;
+
     private static boolean initialized = false;
 
     public static synchronized void initialize(Context context) {
diff --git a/core/src/play/java/de/danoeh/antennapod/core/cast/CastManager.java b/core/src/play/java/de/danoeh/antennapod/core/cast/CastManager.java
index 66b4558be..0674990f1 100644
--- a/core/src/play/java/de/danoeh/antennapod/core/cast/CastManager.java
+++ b/core/src/play/java/de/danoeh/antennapod/core/cast/CastManager.java
@@ -62,6 +62,7 @@ import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.CopyOnWriteArraySet;
 import java.util.concurrent.TimeUnit;
 
+import de.danoeh.antennapod.core.ClientConfig;
 import de.danoeh.antennapod.core.R;
 
 import static com.google.android.gms.cast.RemoteMediaPlayer.RESUME_STATE_PLAY;
@@ -130,12 +131,12 @@ public class CastManager extends BaseCastManager implements OnFailedListener {
 
     public static synchronized CastManager init(Context context) {
         if (INSTANCE == null) {
-            //TODO also setup dialog factory if necessary
             CastConfiguration castConfiguration = new CastConfiguration.Builder(CAST_APP_ID)
                     .enableDebug()
                     .enableAutoReconnect()
                     .enableWifiReconnection()
                     .setLaunchOptions(true, Locale.getDefault())
+                    .setMediaRouteDialogFactory(ClientConfig.castCallbacks.getMediaRouterDialogFactory())
                     .build();
             Log.d(TAG, "New instance of CastManager is created");
             if (ConnectionResult.SUCCESS != GoogleApiAvailability.getInstance()