Move dependencies in prep for PhoneNumberInteraction move.
Committing this change first which is a pre-factor to moving
PhoneNumberInteraction into Dialer completely.
Bug: 6993891
Change-Id: Iceca505f6cd0dcbc1ebb39b98ab63a13bb263eda
diff --git a/src/com/android/contacts/common/activity/TransactionSafeActivity.java b/src/com/android/contacts/common/activity/TransactionSafeActivity.java
new file mode 100644
index 0000000..6c2e4fe
--- /dev/null
+++ b/src/com/android/contacts/common/activity/TransactionSafeActivity.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2011 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.contacts.common.activity;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+/**
+ * A common superclass that keeps track of whether an {@link Activity} has saved its state yet or
+ * not.
+ */
+public abstract class TransactionSafeActivity extends Activity {
+
+ private boolean mIsSafeToCommitTransactions;
+
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ mIsSafeToCommitTransactions = true;
+ }
+
+ @Override
+ protected void onStart() {
+ super.onStart();
+ mIsSafeToCommitTransactions = true;
+ }
+
+ @Override
+ protected void onResume() {
+ super.onResume();
+ mIsSafeToCommitTransactions = true;
+ }
+
+ @Override
+ protected void onSaveInstanceState(Bundle outState) {
+ super.onSaveInstanceState(outState);
+ mIsSafeToCommitTransactions = false;
+ }
+
+ /**
+ * Returns true if it is safe to commit {@link FragmentTransaction}s at this time, based on
+ * whether {@link Activity#onSaveInstanceState} has been called or not.
+ *
+ * Make sure that the current activity calls into
+ * {@link super.onSaveInstanceState(Bundle outState)} (if that method is overridden),
+ * so the flag is properly set.
+ */
+ public boolean isSafeToCommitTransactions() {
+ return mIsSafeToCommitTransactions;
+ }
+}