1 files changed, 63 insertions, 0 deletions
diff --git a/src/de/danoeh/antennapod/adapter/ActionButtonUtils.java b/src/de/danoeh/antennapod/adapter/ActionButtonUtils.java
new file mode 100644
index 000000000..78d62a8de
--- /dev/null
+++ b/src/de/danoeh/antennapod/adapter/ActionButtonUtils.java
@@ -0,0 +1,63 @@
+package de.danoeh.antennapod.adapter;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.view.View;
+import android.widget.ImageButton;
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.feed.FeedItem;
+import de.danoeh.antennapod.feed.FeedMedia;
+import de.danoeh.antennapod.storage.DownloadRequester;
+
+/**
+ * Utility methods for the action button that is displayed on the right hand side
+ * of a listitem.
+ */
+public class ActionButtonUtils {
+
+    private final int[] labels;
+    private final TypedArray drawables;
+    private final Context context;
+
+    public ActionButtonUtils(Context context) {
+        if (context == null) throw new IllegalArgumentException("context = null");
+        this.context = context;
+        drawables = context.obtainStyledAttributes(new int[]{
+                R.attr.av_play, R.attr.navigation_cancel, R.attr.av_download});
+        labels = new int[]{R.string.play_label, R.string.cancel_download_label, R.string.download_label};
+    }
+
+    /**
+     * Sets the displayed bitmap and content description of the given
+     * action button so that it matches the state of the FeedItem.
+     */
+    public void configureActionButton(ImageButton butSecondary, FeedItem item) {
+        if (butSecondary == null || item == null) throw new IllegalArgumentException("butSecondary or item was null");
+        final FeedMedia media = item.getMedia();
+        if (media != null) {
+            final boolean isDownloadingMedia = DownloadRequester.getInstance().isDownloadingFile(media);
+            if (!media.isDownloaded()) {
+                if (isDownloadingMedia) {
+                    // item is being downloaded
+                    butSecondary.setVisibility(View.VISIBLE);
+                    butSecondary.setImageDrawable(drawables
+                            .getDrawable(1));
+                    butSecondary.setContentDescription(context.getString(labels[1]));
+                } else {
+                    // item is not downloaded and not being downloaded
+                    butSecondary.setVisibility(View.VISIBLE);
+                    butSecondary.setImageDrawable(drawables.getDrawable(2));
+                    butSecondary.setContentDescription(context.getString(labels[2]));
+                }
+            } else {
+                // item is not being downloaded
+                butSecondary.setVisibility(View.VISIBLE);
+                butSecondary
+                        .setImageDrawable(drawables.getDrawable(0));
+                butSecondary.setContentDescription(context.getString(labels[0]));
+            }
+        } else {
+            butSecondary.setVisibility(View.INVISIBLE);
+        }
+    }
+}