Extract action button utils/callback into classes

This splits the logic in `ActionButtonUtils` and
`DefaultActionButtonCallback` into multiple specialized classes to
reduce duplication figuring out which button/action to use while at the
same time making each individual button to have a single responsability.

1 files changed, 41 insertions, 0 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/adapter/actionbutton/MarkAsPlayedActionButton.java b/app/src/main/java/de/danoeh/antennapod/adapter/actionbutton/MarkAsPlayedActionButton.java
new file mode 100644
index 000000000..4d906cee5
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/adapter/actionbutton/MarkAsPlayedActionButton.java
@@ -0,0 +1,41 @@
+package de.danoeh.antennapod.adapter.actionbutton;
+
+import android.content.Context;
+import android.support.annotation.AttrRes;
+import android.support.annotation.StringRes;
+import android.view.View;
+
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.core.feed.FeedItem;
+import de.danoeh.antennapod.core.storage.DBWriter;
+
+class MarkAsPlayedActionButton extends ItemActionButton {
+
+    MarkAsPlayedActionButton(FeedItem item) {
+        super(item);
+    }
+
+    @Override
+    @StringRes
+    public int getLabel() {
+        return R.string.mark_read_label;
+    }
+
+    @Override
+    @AttrRes
+    public int getDrawable() {
+        return R.attr.navigation_accept;
+    }
+
+    @Override
+    public void onClick(Context context) {
+        if (!item.isPlayed()) {
+            DBWriter.markItemPlayed(item, FeedItem.PLAYED, true);
+        }
+    }
+
+    @Override
+    public int getVisibility() {
+        return (item.isPlayed()) ? View.INVISIBLE : View.VISIBLE;
+    }
+}