Add search functionality

* AndroidManifest.xml: Register `DVDroidActivity' as searchable.

* res/drawable-hdpi/menu_search.png:
* res/drawable-mdpi/menu_search.png: New icons.

* res/menu/main_activity.xml: Add a search icon to the main activity's
  action menu.

* res/values/strings.xml: Add strings "search_hint" and "menu_search".

* res/xml/searchable.xml: New configuration file.

* src/ryuslash/org/dvdroid/DVDDataSource.java (getQuery): New
  function.

* src/ryuslash/org/dvdroid/DVDroidActivity.java (getData): New
  overload, calls `getQuery' to search for something instead of
  everything.
  (onCreate): If a search has been started, search, don't just show
  everything.
  (onCreateOptionsMenu): Instantiate the `SearchView' in order to use
  it.

AndroidManifest.xml

@@ -10,7 +10,10 @@
       <intent-filter>
         <action android:name="android.intent.action.MAIN" />
         <category android:name="android.intent.category.LAUNCHER" />
+        <action android:name="android.intent.action.SEARCH" />
       </intent-filter>
+      <meta-data android:name="android.app.searchable"
+                 android:resource="@xml/searchable" />
     </activity>
     <activity android:name="AddDVDActivity" />
   </application>

res/menu/main_activity.xml

@@ -4,4 +4,9 @@
         android:title="@string/main_menu_add"
         android:showAsAction="ifRoom|withText"
         android:icon="@drawable/add" />
+  <item android:id="@+id/menu_search"
+        android:title="@string/menu_search"
+        android:icon="@drawable/menu_search"
+        android:showAsAction="collapseActionView|ifRoom"
+        android:actionViewClass="android.widget.SearchView" />
 </menu>

res/values/strings.xml

@@ -1,6 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
   <string name="app_name">DVDroid</string>
+  <string name="search_hint">Search DVDs</string>
+  <string name="menu_search">Search</string>
   <string name="name_entry">Title...</string>
   <string name="wishlist_entry">On wishlist</string>
   <string name="watched_entry">Watched</string>

res/xml/searchable.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<searchable xmlns:android="http://schemas.android.com/apk/res/android"
+            android:label="@string/app_name"
+            android:hint="@string/search_hint">
+</searchable>

src/ryuslash/org/dvdroid/DVDDataSource.java

@@ -142,6 +142,15 @@ public class DVDDataSource
         return getListFromCursor(cursor);
     }
 
+    public List<DVD> getQuery(String query)
+    {
+        String params[] = { "%" + query + "%" };
+        Cursor cursor = database.query(SQLiteHelper.TABLE_DVD,
+                                       allColumns, "title LIKE ?",
+                                       params, null, null, "title");
+        return getListFromCursor(cursor);
+    }
+
     private DVD cursorToDVD(Cursor cursor)
     {
         DVD dvd = new DVD();

src/ryuslash/org/dvdroid/DVDroidActivity.java

@@ -3,6 +3,7 @@ package ryuslash.org.dvdroid;
 import java.util.List;
 
 import android.app.ListActivity;
+import android.app.SearchManager;
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
@@ -14,6 +15,7 @@ import android.view.View;
 import android.widget.ArrayAdapter;
 import android.widget.EditText;
 import android.widget.ListView;
+import android.widget.SearchView;
 
 public class DVDroidActivity extends ListActivity
     implements ActionMode.Callback
@@ -28,6 +30,11 @@ public class DVDroidActivity extends ListActivity
         return datasource.getCollection();
     }
 
+    private List<DVD> getData(String query)
+    {
+        return datasource.getQuery(query);
+    }
+
     @Override
     protected void onActivityResult(int requestCode,
                                     int resultCode,
@@ -80,7 +87,14 @@ public class DVDroidActivity extends ListActivity
         datasource = new DVDDataSource(this);
         datasource.open();
 
-        List<DVD> values = getData();
+        Intent intent = getIntent();
+        List<DVD> values;
+
+        if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
+            values = getData(intent.getStringExtra(SearchManager.QUERY));
+        } else {
+            values = getData();
+        }
 
         ArrayAdapter<DVD> adapter =
             new ArrayAdapter<DVD>(this,
@@ -104,6 +118,12 @@ public class DVDroidActivity extends ListActivity
     {
         MenuInflater inflater = getMenuInflater();
         inflater.inflate(R.menu.main_activity, menu);
+
+        // Get the SearchView and set the searchable configuration.
+        SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
+        SearchView searchView = (SearchView) menu.findItem(R.id.menu_search).getActionView();
+        searchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName()));
+
         return true;
     }