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/*
* Copyright (C) 2018 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.speakeasy;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v4.app.Fragment;
import com.android.incallui.call.DialerCall;
import com.google.common.base.Optional;
import com.google.common.util.concurrent.ListenableFuture;
/** Provides operations necessary to SpeakEasy. */
public interface SpeakEasyCallManager {
/**
* Returns the Fragment used to display data.
*
* <p>An absent optional indicates the feature is unavailable.
*/
Optional<Fragment> getSpeakEasyFragment(@NonNull DialerCall call);
/**
* Indicates a call has been removed.
*
* @param call The call which has been removed.
*/
void onCallRemoved(@NonNull DialerCall call);
/**
* Indicates there is a new incoming call that is about to be answered.
*
* @param call The call which is about to become active.
*/
ListenableFuture<Void> onNewIncomingCall(@NonNull DialerCall call);
/**
* Indicates the feature is available.
*
* @param context The application context.
*/
boolean isAvailable(@NonNull Context context);
/**
* Optional: Performs work necessary to happen-before callers use other methods on this interface.
*
* @apiNote Use of this API is completely optional, and callers are NOT required to invoke this
* method prior to using other methods on the interface.
* @implSpec Other members of this interface always promise to do any required initialization work
* at the time they are invoked. This method will always be idempotent.
*/
default void performManualInitialization() {}
/** Returns the config provider flag associated with the feature. */
@NonNull
String getConfigProviderFlag();
}
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