Added support to blimp to be usable as a default browser

blimp/client/app/android/java/src/org/chromium/blimp/toolbar/Toolbar.java

Index: blimp/client/app/android/java/src/org/chromium/blimp/toolbar/Toolbar.java
diff --git a/blimp/client/app/android/java/src/org/chromium/blimp/toolbar/Toolbar.java b/blimp/client/app/android/java/src/org/chromium/blimp/toolbar/Toolbar.java
index c213d8592a53b13a5f03ba37fa02f201aef8d7df..b564001b8f4f5ce7d4c0c5513f7f0f72d6603fe3 100644
--- a/blimp/client/app/android/java/src/org/chromium/blimp/toolbar/Toolbar.java
+++ b/blimp/client/app/android/java/src/org/chromium/blimp/toolbar/Toolbar.java
@@ -4,17 +4,24 @@
 
 package org.chromium.blimp.toolbar;
 
+import android.content.ActivityNotFoundException;
 import android.content.Context;
+import android.content.Intent;
 import android.graphics.Bitmap;
+import android.net.Uri;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ArrayAdapter;
 import android.widget.ImageButton;
 import android.widget.LinearLayout;
+import android.widget.ListPopupWindow;
 
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
-
 import org.chromium.blimp.R;
 import org.chromium.blimp.session.BlimpClientSession;
 
@@ -27,8 +34,11 @@ public class Toolbar extends LinearLayout implements UrlBar.UrlBarObserver,
         View.OnClickListener {
     private long mNativeToolbarPtr;
 
+    private Context mContext;
     private UrlBar mUrlBar;
     private ImageButton mReloadButton;
+    private ImageButton mMenuButton;
+    private ListPopupWindow mPopupMenu;
 
     /**
      * A URL to load when this object is initialized.  This handles the case where there is a URL
@@ -43,6 +53,7 @@ public class Toolbar extends LinearLayout implements UrlBar.UrlBarObserver,
      */
     public Toolbar(Context context, AttributeSet attrs) {
         super(context, attrs);
+        mContext = context;
     }
 
     /**
@@ -106,6 +117,14 @@ public class Toolbar extends LinearLayout implements UrlBar.UrlBarObserver,
 
         mReloadButton = (ImageButton) findViewById(R.id.toolbar_reload_btn);
         mReloadButton.setOnClickListener(this);
+
+        mMenuButton = (ImageButton) findViewById(R.id.menu_button);
+        mMenuButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                showMenu(v);
+            }
+        });
     }
 
     // UrlBar.UrlBarObserver interface.
@@ -133,6 +152,54 @@ public class Toolbar extends LinearLayout implements UrlBar.UrlBarObserver,
         nativeOnUrlTextEntered(mNativeToolbarPtr, text);
     }
 
+    private void showMenu(View view) {
+        if (mPopupMenu == null) {
+            mPopupMenu = new ListPopupWindow(mContext);
+            mPopupMenu.setAdapter(new ArrayAdapter<String>(mContext, R.layout.toolbar_popup_item,
+                    new String[] {mContext.getString(R.string.new_tab),
+                            mContext.getString(R.string.open_in_chrome),
+                            mContext.getString(R.string.send_feedback),
+                            mContext.getString(R.string.show_debug_info)}) {
+
+                @Override
+                public View getView(int position, View convertView, ViewGroup parent) {
+                    return super.getView(position, convertView, parent);
+                }
+
+            });
+            mPopupMenu.setAnchorView(view);
+            mPopupMenu.setWidth(
+                    getResources().getDimensionPixelSize(R.dimen.toolbar_popup_item_width));
+            mPopupMenu.setVerticalOffset(-view.getHeight());
+            mPopupMenu.setModal(true);
+            mPopupMenu.setOnItemClickListener(new OnItemClickListener() {
+                @Override
+                public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                    // TODO(shaktisahu): Add functionality for other menu options.
+                    if (position == 1) {
+                        openInChrome();
+                    }
+                    mPopupMenu.dismiss();
+                }
+            });
+        }
+        mPopupMenu.show();
+        mPopupMenu.getListView().setDivider(null);
+    }
+
+    private void openInChrome() {
+        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(mUrlBar.getText().toString()));
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        intent.setPackage("com.android.chrome");
+        try {
+            mContext.startActivity(intent);
+        } catch (ActivityNotFoundException e) {
+            // Chrome is probably not installed, so try with the default browser
+            intent.setPackage(null);
+            mContext.startActivity(intent);
+        }
+    }
+
     // Methods that are called by native via JNI.
     @CalledByNative
     private void onEngineSentUrl(String url) {