1 files changed, 44 insertions, 0 deletions
diff --git a/java/com/android/incallui/answer/protocol/AnswerScreenDelegate.java b/java/com/android/incallui/answer/protocol/AnswerScreenDelegate.java
new file mode 100644
index 000000000..9934497cf
--- /dev/null
+++ b/java/com/android/incallui/answer/protocol/AnswerScreenDelegate.java
@@ -0,0 +1,44 @@
+/*
+ * 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.protocol;
+
+import android.support.annotation.FloatRange;
+
+/** Callbacks implemented by the container app for this module. */
+public interface AnswerScreenDelegate {
+
+  void onAnswerScreenUnready();
+
+  void onDismissDialog();
+
+  void onRejectCallWithMessage(String message);
+
+  void onAnswer(int videoState);
+
+  void onReject();
+
+  /**
+   * Sets the window background color based on foreground call's theme and the given progress. This
+   * is called from the answer UI to animate the accept and reject action.
+   *
+   * <p>When the user is rejecting we animate the background color to a mostly transparent gray. The
+   * end effect is that the home screen shows through.
+   *
+   * @param progress float from -1 to 1. -1 is fully rejected, 1 is fully accepted, and 0 is neutral
+   */
+  void updateWindowBackgroundColor(@FloatRange(from = -1f, to = 1.0f) float progress);
+}