Implement layout transition animations for the Autofill dialog

chrome/android/java/src/org/chromium/chrome/browser/autofill/AutofillDialogTitleView.java

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.autofill;
 
 import java.util.List;
 
 import android.content.Context;
-import android.view.LayoutInflater;
+import android.util.AttributeSet;
 import android.view.View;
 import android.widget.ArrayAdapter;
 import android.widget.FrameLayout;
 import android.widget.Spinner;
 import android.widget.AdapterView.OnItemSelectedListener;
 
 import org.chromium.chrome.R;
 
 /**
  * This is the layout that contains the title items for the autofill dialog.
  * In principle it shouldn't contain any logic related with the
  * actual workflow, but rather respond to any UI update messages coming to it
  * from the AutofillDialog. It should also be not dependent on the UI state of
  * the content.
  */
 public class AutofillDialogTitleView extends FrameLayout {
     private ArrayAdapter<String> mAdapter;
 
-    /**
-     * Creates a title using the given context with only the default dropdown items.
-     * @param context The context to create the title within.
-     */
-    public AutofillDialogTitleView(Context context) {
-        super(context);
+    public AutofillDialogTitleView(Context context, AttributeSet attrs) {
+        super(context, attrs);
 
-        LayoutInflater.from(context).inflate(R.layout.autofill_dialog_title, this, true);
-        Spinner accountsSpinner = (Spinner) findViewById(R.id.accounts_spinner);
         mAdapter = new ArrayAdapter<String>(context, android.R.layout.simple_spinner_item);
         mAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+    }
+
+    @Override
+    protected void onFinishInflate () {
+        Spinner accountsSpinner = (Spinner) findViewById(R.id.accounts_spinner);
         accountsSpinner.setAdapter(mAdapter);
         accountsSpinner.setEnabled(false);
     }
 
     /**
      * Updates account chooser dropdown with given accounts and creates the title view if needed.
      * @param accountNames The dropdown items to be listed.
      * @param selectedAccountIndex The index of a currently selected account or
      *                             -1 if nothing is selected.
      */
@@ skipping 33 matching lines @@
 
     /**
      * Sets the listener for all the dropdown members in the layout.
      * @param listener The listener object to attach to the dropdowns.
      */
     public void setOnItemSelectedListener(OnItemSelectedListener listener) {
         Spinner accounts_spinner = (Spinner) findViewById(R.id.accounts_spinner);
         accounts_spinner.setOnItemSelectedListener(listener);
     }
 }