1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.incallui.answer.protocol; 18 19 import android.support.annotation.FloatRange; 20 21 /** Callbacks implemented by the container app for this module. */ 22 public interface AnswerScreenDelegate { 23 24 void onAnswerScreenUnready(); 25 26 void onDismissDialog(); 27 28 void onRejectCallWithMessage(String message); 29 30 void onAnswer(boolean answerVideoAsAudio); 31 32 void onReject(); 33 34 void onAnswerAndReleaseCall(); 35 /** 36 * Sets the window background color based on foreground call's theme and the given progress. This 37 * is called from the answer UI to animate the accept and reject action. 38 * 39 * <p>When the user is rejecting we animate the background color to a mostly transparent gray. The 40 * end effect is that the home screen shows through. 41 * 42 * @param progress float from -1 to 1. -1 is fully rejected, 1 is fully accepted, and 0 is neutral 43 */ 44 void updateWindowBackgroundColor(@FloatRange(from = -1f, to = 1.0f) float progress); 45 } 46