Revert "Prepatory CallDetailActivity tweaks."

This reverts commit 11a7350843ec13c7ca4d27523e9ba146911d2767.

Change-Id: Idf62da51c934ee598c1bbc1b5052e6cea2929feb
diff --git a/src/com/android/dialer/CallDetailActivity.java b/src/com/android/dialer/CallDetailActivity.java
index 7cb517b..d95b55e 100644
--- a/src/com/android/dialer/CallDetailActivity.java
+++ b/src/com/android/dialer/CallDetailActivity.java
@@ -321,24 +321,23 @@
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
-        final MenuItem deleteMenuItem = menu.add(
-                Menu.NONE,
-                R.id.call_detail_delete_menu_item,
-                Menu.NONE,
-                R.string.call_details_delete);
-        deleteMenuItem.setIcon(R.drawable.ic_delete_24dp);
-        deleteMenuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
-        deleteMenuItem.setOnMenuItemClickListener(this);
-
         getMenuInflater().inflate(R.menu.call_details_options, menu);
         return super.onCreateOptionsMenu(menu);
     }
 
     @Override
     public boolean onPrepareOptionsMenu(Menu menu) {
+        // This action deletes all elements in the group from the call log.
+        // We don't have this action for voicemails, because you can just use the trash button.
+        menu.findItem(R.id.menu_remove_from_call_log)
+                .setVisible(!hasVoicemail())
+                .setOnMenuItemClickListener(this);
         menu.findItem(R.id.menu_edit_number_before_call)
                 .setVisible(mHasEditNumberBeforeCallOption)
                 .setOnMenuItemClickListener(this);
+        menu.findItem(R.id.menu_trash)
+                .setVisible(hasVoicemail())
+                .setOnMenuItemClickListener(this);
         menu.findItem(R.id.menu_report)
                 .setVisible(mHasReportMenuOption)
                 .setOnMenuItemClickListener(this);
@@ -348,25 +347,24 @@
     @Override
     public boolean onMenuItemClick(MenuItem item) {
         switch (item.getItemId()) {
-            case R.id.call_detail_delete_menu_item:
-                if (hasVoicemail()) {
-                    CallLogAsyncTaskUtil.deleteVoicemail(
-                            this, mVoicemailUri, mCallLogAsyncTaskListener);
-                } else {
-                    final StringBuilder callIds = new StringBuilder();
-                    for (Uri callUri : getCallLogEntryUris()) {
-                        if (callIds.length() != 0) {
-                            callIds.append(",");
-                        }
-                        callIds.append(ContentUris.parseId(callUri));
+            case R.id.menu_remove_from_call_log:
+                final StringBuilder callIds = new StringBuilder();
+                for (Uri callUri : getCallLogEntryUris()) {
+                    if (callIds.length() != 0) {
+                        callIds.append(",");
                     }
-                    CallLogAsyncTaskUtil.deleteCalls(
-                            this, callIds.toString(), mCallLogAsyncTaskListener);
+                    callIds.append(ContentUris.parseId(callUri));
                 }
+                CallLogAsyncTaskUtil.deleteCalls(
+                        this, callIds.toString(), mCallLogAsyncTaskListener);
                 break;
             case R.id.menu_edit_number_before_call:
                 startActivity(new Intent(Intent.ACTION_DIAL, CallUtil.getCallUri(mNumber)));
                 break;
+            case R.id.menu_trash:
+                CallLogAsyncTaskUtil.deleteVoicemail(
+                        this, mVoicemailUri, mCallLogAsyncTaskListener);
+                break;
         }
         return true;
     }
diff --git a/src/com/android/dialer/calllog/CallDetailHistoryAdapter.java b/src/com/android/dialer/calllog/CallDetailHistoryAdapter.java
index ac56332..3b488a8 100644
--- a/src/com/android/dialer/calllog/CallDetailHistoryAdapter.java
+++ b/src/com/android/dialer/calllog/CallDetailHistoryAdapter.java
@@ -38,6 +38,8 @@
  * Adapter for a ListView containing history items from the details of a call.
  */
 public class CallDetailHistoryAdapter extends BaseAdapter {
+    /** The top element is a blank header, which is hidden under the rest of the UI. */
+    private static final int VIEW_TYPE_HEADER = 0;
     /** Each history item shows the detail of a call. */
     private static final int VIEW_TYPE_HISTORY_ITEM = 1;
 
@@ -67,37 +69,53 @@
 
     @Override
     public int getCount() {
-        return mPhoneCallDetails.length;
+        return mPhoneCallDetails.length + 1;
     }
 
     @Override
     public Object getItem(int position) {
-        return mPhoneCallDetails[position];
+        if (position == 0) {
+            return null;
+        }
+        return mPhoneCallDetails[position - 1];
     }
 
     @Override
     public long getItemId(int position) {
-        return position;
+        if (position == 0) {
+            return -1;
+        }
+        return position - 1;
     }
 
     @Override
     public int getViewTypeCount() {
-        return 1;
+        return 2;
     }
 
     @Override
     public int getItemViewType(int position) {
+        if (position == 0) {
+            return VIEW_TYPE_HEADER;
+        }
         return VIEW_TYPE_HISTORY_ITEM;
     }
 
     @Override
     public View getView(int position, View convertView, ViewGroup parent) {
+        if (position == 0) {
+            final View header = convertView == null
+                    ? mLayoutInflater.inflate(R.layout.call_detail_history_header, parent, false)
+                    : convertView;
+            return header;
+        }
+
         // Make sure we have a valid convertView to start with
         final View result  = convertView == null
                 ? mLayoutInflater.inflate(R.layout.call_detail_history_item, parent, false)
                 : convertView;
 
-        PhoneCallDetails details = mPhoneCallDetails[position];
+        PhoneCallDetails details = mPhoneCallDetails[position - 1];
         CallTypeIconsView callTypeIconView =
                 (CallTypeIconsView) result.findViewById(R.id.call_type_icon);
         TextView callTypeTextView = (TextView) result.findViewById(R.id.call_type_text);