Separate QSB and Voice buttons, aligned with QSB app.

Add EditText style underscores for the icons.
Get VoiceSearch icon from the activity that handles the RecognizerIntent.ACTION_WEB_SEARCH
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 9954f39..55a6176 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -73,6 +73,7 @@
 import android.os.SystemProperties;
 import android.provider.LiveFolders;
 import android.provider.Settings;
+import android.speech.RecognizerIntent;
 import android.text.Selection;
 import android.text.SpannableStringBuilder;
 import android.text.TextUtils;
@@ -1925,6 +1926,21 @@
     }
 
     /**
+     * Event handler for the voice button
+     *
+     * @param v The view that was clicked.
+     */
+    public void onClickVoiceButton(View v) {
+        startVoiceSearch();
+    }
+
+    private void startVoiceSearch() {
+        Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        startActivity(intent);
+    }
+
+    /**
      * Event handler for the "gear" button that appears on the home screen, which
      * enters home screen customization mode.
      *
@@ -2477,7 +2493,7 @@
      * @param hideSeq AnimatorSet in which to put "hide" animations, or null.
      */
     private void hideAndShowToolbarButtons(State newState, AnimatorSet showSeq, AnimatorSet hideSeq) {
-        final View searchButton = findViewById(R.id.search_button);
+        final View searchButton = findViewById(R.id.search_button_cluster);
         final View allAppsButton = findViewById(R.id.all_apps_button);
         final View configureButton = findViewById(R.id.configure_button);
 
@@ -2898,6 +2914,21 @@
             if (activityName != null) {
                 updateButtonWithIconFromExternalActivity(
                         R.id.search_button, activityName, R.drawable.search_button_generic);
+            } else {
+                findViewById(R.id.search_button).setVisibility(View.GONE);
+            }
+        }
+    }
+
+    private void updateVoiceSearchIcon() {
+        if (LauncherApplication.isScreenXLarge()) {
+            Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
+            ComponentName activityName = intent.resolveActivity(getPackageManager());
+            if (activityName != null) {
+                updateButtonWithIconFromExternalActivity(
+                        R.id.voice_button, activityName, R.drawable.ic_voice_search);
+            } else {
+                findViewById(R.id.voice_button).setVisibility(View.GONE);
             }
         }
     }
@@ -3249,6 +3280,16 @@
     }
 
     /**
+     * Updates the icons on the launcher that are affected by changes to the package list
+     * on the device.
+     */
+    private void updateIconsAffectedByPackageManagerChanges() {
+        updateAppMarketIcon();
+        updateGlobalSearchIcon();
+        updateVoiceSearchIcon();
+    }
+
+    /**
      * Add the icons for all apps.
      *
      * Implementation of the method from LauncherModel.Callbacks.
@@ -3258,8 +3299,7 @@
         if (mCustomizePagedView != null) {
             mCustomizePagedView.setApps(apps);
         }
-        updateAppMarketIcon();
-        updateGlobalSearchIcon();
+        updateIconsAffectedByPackageManagerChanges();
     }
 
     /**
@@ -3274,8 +3314,7 @@
         if (mCustomizePagedView != null) {
             mCustomizePagedView.addApps(apps);
         }
-        updateAppMarketIcon();
-        updateGlobalSearchIcon();
+        updateIconsAffectedByPackageManagerChanges();
     }
 
     /**
@@ -3291,8 +3330,7 @@
         if (mCustomizePagedView != null) {
             mCustomizePagedView.updateApps(apps);
         }
-        updateAppMarketIcon();
-        updateGlobalSearchIcon();
+        updateIconsAffectedByPackageManagerChanges();
     }
 
     /**
@@ -3309,8 +3347,7 @@
         if (mCustomizePagedView != null) {
             mCustomizePagedView.removeApps(apps);
         }
-        updateAppMarketIcon();
-        updateGlobalSearchIcon();
+        updateIconsAffectedByPackageManagerChanges();
     }
 
     /**