Add preliminary support for viewing events

Bug: 5011918

Change-Id: I573ed44b09f5e695d04fd081ea8af221fb396d94

email2/AndroidManifest.xml

@@ -117,6 +117,23 @@
             </intent-filter>
         </activity>
 
+        <activity
+            android:name=".activity.EventViewer"
+            android:label="@string/app_name"
+            android:theme="@android:style/Theme.Holo.Light"
+            >
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category
+                    android:name="android.intent.category.DEFAULT" />
+                <data
+                    android:scheme="content"
+                    android:host="ui.email2.android.com"
+                    android:pathPrefix="/event"
+                    />
+            </intent-filter>
+        </activity>
+            
         <!-- TODO: this activity doesn't exist.  Determine what to do here -->
         <activity android:name=".ui.CreateShortcutActivity"
             android:label="@string/activity_folder_selection" />

email2/src/com/android/email/activity/ActivityHelper.java

@@ -75,18 +75,6 @@ public final class ActivityHelper {
         return result;
     }
 
-    /**
-     * Open Calendar app with specific time
-     */
-    public static void openCalendar(Activity activity, long epochEventStartTime) {
-        Uri uri = Uri.parse("content://com.android.calendar/time/" + epochEventStartTime);
-        Intent intent = new Intent(Intent.ACTION_VIEW);
-        intent.setData(uri);
-        intent.putExtra("VIEW", "DAY");
-        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
-        activity.startActivity(intent);
-    }
-
     /**
      * If configured via debug flags, inhibit hardware graphics acceleration.  Must be called
      * early in onCreate().

email2/src/com/android/email/activity/EventViewer.java

@@ -0,0 +1,50 @@
+/**
+ * Copyright (c) 2012, Google Inc.
+ *
+ * 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.email.activity;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+
+import com.android.emailcommon.mail.MeetingInfo;
+import com.android.emailcommon.mail.PackedString;
+import com.android.emailcommon.provider.EmailContent.Message;
+import com.android.emailcommon.utility.Utility;
+
+public class EventViewer extends Activity {
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        Uri uri = getIntent().getData();
+        long messageId = Long.parseLong(uri.getLastPathSegment());
+        Message msg = Message.restoreMessageWithId(this, messageId);
+        if (msg == null) {
+            finish();
+        } else {
+            PackedString info = new PackedString(msg.mMeetingInfo);
+            long time = Utility.parseEmailDateTimeToMillis(info.get(MeetingInfo.MEETING_DTSTART));
+            uri = Uri.parse("content://com.android.calendar/time/" + time);
+            Intent intent = new Intent(Intent.ACTION_VIEW);
+            intent.setData(uri);
+            intent.putExtra("VIEW", "DAY");
+            intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
+            startActivity(intent);
+            finish();
+        }
+    }
+}

email2/src/com/android/email/provider/EmailProvider.java

@@ -2289,6 +2289,10 @@ outer:
                         com.android.mail.providers.Attachment.toJSONArray(uiAtts));
             }
         }
+        if ((msg.mFlags & Message.FLAG_INCOMING_MEETING_INVITE) != 0) {
+            values.put(UIProvider.MessageColumns.EVENT_INTENT_URI,
+                    "content://ui.email2.android.com/event/" + msg.mId);
+        }
         StringBuilder sb = genSelect(sMessageViewMap, uiProjection, values);
         sb.append(" FROM " + Message.TABLE_NAME + "," + Body.TABLE_NAME + " WHERE " +
                 Body.MESSAGE_KEY + "=" + Message.TABLE_NAME + "." + Message.RECORD_ID + " AND " +