1 files changed, 52 insertions, 0 deletions
diff --git a/java/com/android/incallui/answer/impl/answermethod/AnswerMethodFactory.java b/java/com/android/incallui/answer/impl/answermethod/AnswerMethodFactory.java
new file mode 100644
index 000000000..35f36f727
--- /dev/null
+++ b/java/com/android/incallui/answer/impl/answermethod/AnswerMethodFactory.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2016 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.incallui.answer.impl.answermethod;
+
+import android.app.Activity;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import com.android.dialer.compat.ActivityCompat;
+import com.android.incallui.util.AccessibilityUtil;
+
+/** Creates the appropriate {@link AnswerMethod} for the circumstances. */
+public class AnswerMethodFactory {
+
+  @NonNull
+  public static AnswerMethod createAnswerMethod(@NonNull Activity activity) {
+    if (needTwoButton(activity)) {
+      return new TwoButtonMethod();
+    } else {
+      return new FlingUpDownMethod();
+    }
+  }
+
+  public static boolean needsReplacement(@Nullable Fragment answerMethod) {
+    //noinspection SimplifiableIfStatement
+    if (answerMethod == null) {
+      return true;
+    }
+    // If we have already started showing TwoButtonMethod, we should keep showing TwoButtonMethod.
+    // Otherwise check if we need to change to TwoButtonMethod
+    return !(answerMethod instanceof TwoButtonMethod) && needTwoButton(answerMethod.getActivity());
+  }
+
+  private static boolean needTwoButton(@NonNull Activity activity) {
+    return AccessibilityUtil.isTouchExplorationEnabled(activity)
+        || ActivityCompat.isInMultiWindowMode(activity);
+  }
+}