1 files changed, 112 insertions, 0 deletions
diff --git a/src/com/android/calendar/LaunchActivity.java b/src/com/android/calendar/LaunchActivity.java
new file mode 100644
index 00000000..d6880597
--- /dev/null
+++ b/src/com/android/calendar/LaunchActivity.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.calendar;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.ContentResolver;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.DialogInterface.OnCancelListener;
+import android.content.DialogInterface.OnClickListener;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.provider.Calendar.Calendars;
+
+public class LaunchActivity extends Activity implements OnCancelListener,
+        OnClickListener, Runnable {
+
+    private static final String[] PROJECTION = new String[] {
+        Calendars._ID,
+    };
+    
+    public void run() {
+        /* Start a query to refresh the list of calendars if for some reason
+         * the list was not fetched from the server.  We don't care about
+         * the contents of the returned cursor; we do the query strictly for
+         * the side-effect of refreshing the list of calendars from the server.
+         */
+        final ContentResolver cr = getContentResolver();
+        Cursor cursor = cr.query(Calendars.LIVE_CONTENT_URI, PROJECTION,
+            null, null, null);
+        
+        if (cursor != null) {
+            cursor.close();
+        }
+    }
+    
+    @Override
+    protected void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        
+        // Check to see if there are no calendars
+        final ContentResolver cr = getContentResolver();
+        Cursor cursor = cr.query(Calendars.CONTENT_URI, PROJECTION,
+                null /* selection */,
+                null /* selectionArgs */,
+                Calendars.DEFAULT_SORT_ORDER);
+        
+        boolean missingCalendars = false;
+        if ((cursor == null) || (cursor.getCount() == 0)) {
+            missingCalendars = true;
+        }
+        
+        if (cursor != null) {
+            cursor.close();
+        }
+        
+        if (missingCalendars) {
+            new AlertDialog.Builder(this)
+                    .setTitle(R.string.no_calendars)
+                    .setMessage(R.string.no_calendars_msg)
+                    .setCancelable(true)
+                    .setOnCancelListener(this)
+                    .setPositiveButton(R.string.ok_label, this)
+                    .show();
+            new Thread(this).start();
+            return;
+        }
+            
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+        String startActivity = prefs.getString(CalendarPreferenceActivity.KEY_START_VIEW,
+                CalendarPreferenceActivity.DEFAULT_START_VIEW);
+            
+        // Get the data for from this intent, if any
+        Intent myIntent = getIntent();
+        Uri myData = myIntent.getData();
+            
+        // Set up the intent for the start activity
+        Intent intent = new Intent();
+        if (myData != null) {
+            intent.setData(myData);
+        }
+        intent.setClassName(this, startActivity);
+        startActivity(intent);
+        finish();
+    }
+
+    public void onCancel(DialogInterface dialog) {
+        finish();
+    }
+
+    public void onClick(DialogInterface dialog, int which) {
+        finish();
+    }
+}