Bug 1220928 - Add context menu. r=sebastian

MozReview-Commit-ID: CQ01edJs3vP

--HG--
extra : rebase_source : dcd7b5ed6f48b422cf106f64b6ce9c827c387eca
extra : source : b2828872f3e78911798083fde9b196e7206aaf19

mobile/android/base/java/org/mozilla/gecko/home/CombinedHistoryAdapter.java

@@ -111,6 +111,21 @@ public class CombinedHistoryAdapter extends RecyclerView.Adapter<CombinedHistory
         }
     }
 
+    public HomeContextMenuInfo makeContextMenuInfoFromPosition(View view, int position) {
+        final ItemType itemType = ItemType.viewTypeToItemType(getItemViewType(position));
+        HomeContextMenuInfo info;
+        switch (itemType) {
+            case CHILD:
+                info = new HomeContextMenuInfo(view, position, -1);
+                return CombinedHistoryPanel.populateChildInfoFromTab(info, clientChildren.get(position));
+            case HISTORY:
+                info = new HomeContextMenuInfo(view, position, -1);
+                historyCursor.moveToPosition(transformPosition(ItemType.HISTORY, position));
+                return CombinedHistoryPanel.populateHistoryInfoFromCursor(info, historyCursor);
+        }
+        return null;
+    }
+
     @Override
     public CombinedHistoryItem onCreateViewHolder(ViewGroup viewGroup, int viewType) {
         final LayoutInflater inflater = LayoutInflater.from(viewGroup.getContext());

mobile/android/base/java/org/mozilla/gecko/home/CombinedHistoryPanel.java

@@ -37,8 +37,10 @@ import org.mozilla.gecko.R;
 import org.mozilla.gecko.Restrictions;
 import org.mozilla.gecko.Telemetry;
 import org.mozilla.gecko.TelemetryContract;
+import org.mozilla.gecko.db.BrowserContract;
 import org.mozilla.gecko.db.BrowserDB;
 import org.mozilla.gecko.db.RemoteClient;
+import org.mozilla.gecko.db.RemoteTab;
 import org.mozilla.gecko.home.HistorySectionsHelper.SectionDateRange;
 import org.mozilla.gecko.restrictions.Restrictable;
 import org.mozilla.gecko.widget.DividerItemDecoration;
@@ -105,6 +107,8 @@ public class CombinedHistoryPanel extends HomeFragment {
         mRecyclerView.addItemDecoration(new DividerItemDecoration(getContext()));
         mRecyclerView.setOnHistoryClickedListener(mUrlOpenListener);
         mRecyclerView.setOnPanelLevelChangeListener(new OnLevelChangeListener());
+        registerForContextMenu(mRecyclerView);
+
         mPanelFooterButton = (Button) view.findViewById(R.id.clear_history_button);
         mPanelFooterButton.setOnClickListener(new OnFooterButtonClickListener());
     }
@@ -381,4 +385,26 @@ public class CombinedHistoryPanel extends HomeFragment {
 
         return ssb;
     }
+
+    protected static HomeContextMenuInfo populateHistoryInfoFromCursor(HomeContextMenuInfo info, Cursor cursor) {
+        info.url = cursor.getString(cursor.getColumnIndexOrThrow(BrowserContract.Combined.URL));
+        info.title = cursor.getString(cursor.getColumnIndexOrThrow(BrowserContract.Combined.TITLE));
+        info.historyId = cursor.getInt(cursor.getColumnIndexOrThrow(BrowserContract.Combined.HISTORY_ID));
+        info.itemType = HomeContextMenuInfo.RemoveItemType.HISTORY;
+        final int bookmarkIdCol = cursor.getColumnIndexOrThrow(BrowserContract.Combined.BOOKMARK_ID);
+        if (cursor.isNull(bookmarkIdCol)) {
+            // If this is a combined cursor, we may get a history item without a
+            // bookmark, in which case the bookmarks ID column value will be null.
+            info.bookmarkId =  -1;
+        } else {
+            info.bookmarkId = cursor.getInt(bookmarkIdCol);
+        }
+        return info;
+    }
+
+    protected static HomeContextMenuInfo populateChildInfoFromTab(HomeContextMenuInfo info, RemoteTab tab) {
+        info.url = tab.url;
+        info.title = tab.title;
+        return info;
+    }
 }

mobile/android/base/java/org/mozilla/gecko/home/CombinedHistoryRecyclerView.java

@@ -23,6 +23,7 @@ public class CombinedHistoryRecyclerView extends RecyclerView
 
     protected HomePager.OnUrlOpenListener mOnUrlOpenListener;
     protected OnPanelLevelChangeListener mOnPanelLevelChangeListener;
+    protected HomeContextMenuInfo mContextMenuInfo;
 
     public CombinedHistoryRecyclerView(Context context) {
         super(context);
@@ -84,7 +85,13 @@ public class CombinedHistoryRecyclerView extends RecyclerView
 
     @Override
     public boolean onItemLongClicked(RecyclerView recyclerView, int position, View v) {
-        // TODO: open context menu if not a date title
+        mContextMenuInfo = ((CombinedHistoryAdapter) getAdapter()).makeContextMenuInfoFromPosition(v, position);
         return showContextMenuForChild(this);
     }
+
+    @Override
+    public HomeContextMenuInfo getContextMenuInfo() {
+        return mContextMenuInfo;
+    }
+
 }