Bug 1386735 - Support disabling titles in StreamRecyclerView. r=mcomella

MozReview-Commit-ID: 15h7Lp497JN

--HG--
extra : rebase_source : 540b9b97975addab569f0f490959c0dc10755e36

mobile/android/base/java/org/mozilla/gecko/activitystream/homepanel/ActivityStreamPanel.java

@@ -92,7 +92,9 @@ public class ActivityStreamPanel extends FrameLayout {
     public void load(LoaderManager lm) {
         lm.initLoader(LOADER_ID_TOPSITES, null, new TopSitesCallback());
         lm.initLoader(LOADER_ID_HIGHLIGHTS, null, new HighlightsCallbacks());
-        lm.initLoader(LOADER_ID_POCKET, null, new PocketStoriesCallbacks());
+        if (StreamRecyclerAdapter.POCKET_ENABLED) {
+            lm.initLoader(LOADER_ID_POCKET, null, new PocketStoriesCallbacks());
+        }
 
     }
 

mobile/android/base/java/org/mozilla/gecko/activitystream/homepanel/HighlightsDividerItemDecoration.java

@@ -39,6 +39,9 @@ import android.view.View;
         final int childCount = parent.getChildCount();
         for (int i = START_DRAWING_AT_POSITION; i < childCount; i++) {
             final View child = parent.getChildAt(i);
+            if (child.getVisibility() == View.GONE) {
+                continue;
+            }
             final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child
                     .getLayoutParams();
             final int top = child.getBottom() + params.bottomMargin;

mobile/android/base/java/org/mozilla/gecko/activitystream/homepanel/StreamRecyclerAdapter.java

@@ -51,6 +51,9 @@ public class StreamRecyclerAdapter extends RecyclerView.Adapter<StreamViewHolder
     private List<RowModel> recyclerViewModel; // List of item types backing this RecyclerView.
     private List<TopStory> topStoriesQueue;
 
+    // TODO: Replace temporary pref placeholder with pref
+    public static final boolean POCKET_ENABLED = false;
+
     private final RowItemType[] FIXED_ROWS = {RowItemType.TOP_PANEL, RowItemType.WELCOME, RowItemType.TOP_STORIES_TITLE, RowItemType.HIGHLIGHTS_TITLE};
     private final int MAX_TOP_STORIES = 3;
 
@@ -124,7 +127,7 @@ public class StreamRecyclerAdapter extends RecyclerView.Adapter<StreamViewHolder
         if (type == RowItemType.TOP_PANEL.getViewType()) {
             return new TopPanelRow(inflater.inflate(TopPanelRow.LAYOUT_ID, parent, false), onUrlOpenListener, onUrlOpenInBackgroundListener);
         } else if (type == RowItemType.TOP_STORIES_TITLE.getViewType()) {
-            return new StreamTitleRow(inflater.inflate(StreamTitleRow.LAYOUT_ID, parent, false), R.string.activity_stream_topstories);
+            return new StreamTitleRow(inflater.inflate(StreamTitleRow.LAYOUT_ID, parent, false), R.string.activity_stream_topstories, POCKET_ENABLED);
         } else if (type == RowItemType.TOP_STORIES_ITEM.getViewType()) {
             return new WebpageItemRow(inflater.inflate(WebpageItemRow.LAYOUT_ID, parent, false), this);
         } else if (type == RowItemType.WELCOME.getViewType()) {
@@ -132,7 +135,7 @@ public class StreamRecyclerAdapter extends RecyclerView.Adapter<StreamViewHolder
         } else if (type == RowItemType.HIGHLIGHT_ITEM.getViewType()) {
             return new WebpageItemRow(inflater.inflate(WebpageItemRow.LAYOUT_ID, parent, false), this);
         } else if (type == RowItemType.HIGHLIGHTS_TITLE.getViewType()) {
-            return new StreamTitleRow(inflater.inflate(StreamTitleRow.LAYOUT_ID, parent, false), R.string.activity_stream_highlights);
+            return new StreamTitleRow(inflater.inflate(StreamTitleRow.LAYOUT_ID, parent, false), R.string.activity_stream_highlights, true);
         } else {
             throw new IllegalStateException("Missing inflation for ViewType " + type);
         }

mobile/android/base/java/org/mozilla/gecko/activitystream/homepanel/stream/StreamTitleRow.java

@@ -7,6 +7,7 @@ package org.mozilla.gecko.activitystream.homepanel.stream;
 
 import android.support.annotation.NonNull;
 import android.support.annotation.StringRes;
+import android.support.v7.widget.RecyclerView;
 import android.view.View;
 import android.widget.TextView;
 
@@ -15,10 +16,23 @@ import org.mozilla.gecko.R;
 public class StreamTitleRow extends StreamViewHolder {
     public static final int LAYOUT_ID = R.layout.activity_stream_main_highlightstitle;
 
-    public StreamTitleRow(final View itemView, final @StringRes @NonNull int titleResId) {
+    public StreamTitleRow(final View itemView, final @StringRes @NonNull int titleResId, boolean isEnabled) {
         super(itemView);
         final TextView titleView = (TextView) itemView.findViewById(R.id.title_highlights);
         titleView.setText(titleResId);
+        if (!isEnabled) {
+            hideView(itemView);
+        }
+    }
+
+    private static void hideView(final View itemView) {
+        itemView.setVisibility(View.GONE);
+        // We also need to set the layout height, width, and margins to 0 for the RecyclerView child.
+        final RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) itemView.getLayoutParams();
+        layoutParams.setMargins(0, 0, 0, 0);
+        layoutParams.height = 0;
+        layoutParams.width = 0;
+        itemView.setLayoutParams(layoutParams);
     }
 }