Separate candidate divider from candidate view

This change is one of the preparations for suggestion strip redesign.

Bug: 4175031
Change-Id: Ia0dc487c11c3005ef19b87ec0efcc18e48411f76

java/res/layout/candidate.xml

@@ -24,17 +24,6 @@
     android:layout_height="match_parent"
     android:orientation="horizontal"
 >
-    <ImageView
-        android:id="@+id/candidate_divider"
-        android:layout_width="wrap_content"
-        android:layout_height="match_parent"
-        android:src="@drawable/keyboard_suggest_strip_divider"
-        android:paddingRight="@dimen/candidate_padding"
-        android:paddingLeft="@dimen/candidate_padding"
-        android:visibility="invisible"
-        android:focusable="false"
-        android:clickable="false"
-        android:gravity="center_vertical|center_horizontal" />
     <Button
         android:id="@+id/candidate_word"
         android:layout_width="wrap_content"

java/res/layout/candidate_divider.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2010, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<ImageView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/candidate_divider"
+    android:layout_width="wrap_content"
+    android:layout_height="match_parent"
+    android:src="@drawable/keyboard_suggest_strip_divider"
+    android:paddingRight="@dimen/candidate_padding"
+    android:paddingLeft="@dimen/candidate_padding"
+    android:focusable="false"
+    android:clickable="false"
+    android:gravity="center_vertical|center_horizontal" />

java/src/com/android/inputmethod/latin/CandidateView.java

@@ -16,8 +16,6 @@
 
 package com.android.inputmethod.latin;
 
-import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
-
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Color;
@@ -40,11 +38,12 @@ import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.View.OnLongClickListener;
 import android.view.ViewGroup;
-import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.PopupWindow;
 import android.widget.TextView;
 
+import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -57,6 +56,7 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
     private static final boolean DBG = LatinImeLogger.sDBG;
 
     private final ArrayList<View> mWords = new ArrayList<View>();
+    private final ArrayList<View> mDividers = new ArrayList<View>();
     private final boolean mConfigCandidateHighlightFontColorEnabled;
     private final CharacterStyle mInvertedForegroundColorSpan;
     private final CharacterStyle mInvertedBackgroundColorSpan;
@@ -148,10 +148,11 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
             tv.setOnClickListener(this);
             if (i == 0)
                 tv.setOnLongClickListener(this);
-            ImageView divider = (ImageView)v.findViewById(R.id.candidate_divider);
-            // Do not display divider of first candidate.
-            divider.setVisibility(i == 0 ? INVISIBLE : VISIBLE);
             mWords.add(v);
+            if (i > 0) {
+                View divider = inflater.inflate(R.layout.candidate_divider, null);
+                mDividers.add(divider);
+            }
         }
 
         scrollTo(0, getScrollY());
@@ -237,6 +238,8 @@ public class CandidateView extends LinearLayout implements OnClickListener, OnLo
             } else {
                 dv.setVisibility(GONE);
             }
+            if (i > 0)
+                addView(mDividers.get(i - 1));
             addView(v);
         }