Fix focus highlight bug

    Bug: 5240233
    post the layout change on state change
    add clear button when editing

Change-Id: I9db16619cd39611153503b28757d4b16e52ab9e3
diff --git a/src/com/android/browser/NavigationBarPhone.java b/src/com/android/browser/NavigationBarPhone.java
index fee9604..7e8695b 100644
--- a/src/com/android/browser/NavigationBarPhone.java
+++ b/src/com/android/browser/NavigationBarPhone.java
@@ -36,6 +36,8 @@
 
     private ImageView mStopButton;
     private ImageView mVoiceButton;
+    private ImageView mMagnify;
+    private ImageView mClearButton;
     private Drawable mStopDrawable;
     private Drawable mRefreshDrawable;
     private String mStopDescription;
@@ -69,6 +71,9 @@
         mStopButton.setOnClickListener(this);
         mVoiceButton = (ImageView) findViewById(R.id.voice);
         mVoiceButton.setOnClickListener(this);
+        mClearButton = (ImageView) findViewById(R.id.clear);
+        mClearButton.setOnClickListener(this);
+        mMagnify = (ImageView) findViewById(R.id.magnify);
         mTabSwitcher = findViewById(R.id.tab_switcher);
         mTabSwitcher.setOnClickListener(this);
         mMore = findViewById(R.id.more);
@@ -156,6 +161,8 @@
             ((PhoneUi) mBaseUi).toggleNavScreen();
         } else if (mMore == v) {
             showMenu(mMore);
+        } else if (mClearButton == v) {
+            mUrlInput.setText("");
         } else {
             super.onClick(v);
         }
@@ -209,6 +216,8 @@
         case StateListener.STATE_NORMAL:
             mComboIcon.setVisibility(View.VISIBLE);
             mStopButton.setVisibility(View.GONE);
+            mClearButton.setVisibility(View.GONE);
+            mMagnify.setVisibility(View.GONE);
             setSearchMode(mInVoiceMode);
             mTabSwitcher.setVisibility(View.VISIBLE);
             mTitleContainer.setBackgroundDrawable(null);
@@ -217,6 +226,8 @@
         case StateListener.STATE_HIGHLIGHTED:
             mComboIcon.setVisibility(View.GONE);
             mStopButton.setVisibility(View.VISIBLE);
+            mClearButton.setVisibility(View.GONE);
+            mMagnify.setVisibility(View.GONE);
             setSearchMode(true);
             mTabSwitcher.setVisibility(View.GONE);
             mMore.setVisibility(View.GONE);
@@ -225,6 +236,8 @@
         case StateListener.STATE_EDITED:
             mComboIcon.setVisibility(View.GONE);
             mStopButton.setVisibility(View.GONE);
+            mClearButton.setVisibility(View.VISIBLE);
+            mMagnify.setVisibility(View.VISIBLE);
             setSearchMode(false);
             mTabSwitcher.setVisibility(View.GONE);
             mMore.setVisibility(View.GONE);