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/*
* Copyright (C) 2017 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.dialer.precall;
import android.support.annotation.MainThread;
import com.android.dialer.callintent.CallIntentBuilder;
/**
* An action to perform before the call is made. The action should inspect and modify the {@link
* CallIntentBuilder} to generate full information for the call. For example, showing a dialog to
* select the phone account on a multi-SIM device, ask if RTT should be enabled, or rewrite the
* number for roaming calls.
*/
public interface PreCallAction {
/**
* Runs the action. Should block on the main thread until the action is finished. If the action is
* not instantaneous, {@link PreCallCoordinator#startPendingAction()} should be called to release
* the thread and continue later.
*/
@MainThread
void run(PreCallCoordinator coordinator);
/**
* Called when the UI is being paused when a {@link PreCallCoordinator.PendingAction} is started,
* and the action is going to be discarded. If the action is showing a dialog the dialog should be
* dismissed. The action should not retain state, a new instance of the action will be re-run when
* the UI is resumed.
*/
@MainThread
void onDiscard();
}
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