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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.impl;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import com.android.dialer.callintent.CallIntentBuilder;
import com.android.dialer.common.Assert;
import com.android.dialer.common.LogUtil;
import com.android.dialer.precall.PreCallAction;
import com.android.dialer.precall.PreCallComponent;
import com.android.dialer.precall.PreCallCoordinator;
import com.android.dialer.telecom.TelecomUtil;
import com.google.common.collect.ImmutableList;
/**
* Implements {@link PreCallCoordinator}. Listens to the life cycle of {@link PreCallActivity} to
* save/restore states.
*/
public class PreCallCoordinatorImpl implements PreCallCoordinator {
private static final String SAVED_STATE_CURRENT_ACTION = "current_action";
@NonNull private final Activity activity;
private CallIntentBuilder builder;
private ImmutableList<PreCallAction> actions;
private int currentActionIndex = 0;
private PreCallAction currentAction;
private PendingAction pendingAction;
private boolean aborted = false;
PreCallCoordinatorImpl(@NonNull Activity activity) {
this.activity = Assert.isNotNull(activity);
}
void onCreate(Intent intent, @Nullable Bundle savedInstanceState) {
LogUtil.enterBlock("PreCallCoordinatorImpl.onCreate");
if (savedInstanceState != null) {
currentActionIndex = savedInstanceState.getInt(SAVED_STATE_CURRENT_ACTION);
builder = Assert.isNotNull(savedInstanceState.getParcelable(EXTRA_CALL_INTENT_BUILDER));
} else {
builder = Assert.isNotNull(intent.getParcelableExtra(EXTRA_CALL_INTENT_BUILDER));
}
actions = PreCallComponent.get(activity).getPreCall().getActions();
}
void onRestoreInstanceState(Bundle savedInstanceState) {
currentActionIndex = savedInstanceState.getInt(SAVED_STATE_CURRENT_ACTION);
builder = savedInstanceState.getParcelable(EXTRA_CALL_INTENT_BUILDER);
}
void onResume() {
runNextAction();
}
void onPause() {
if (currentAction != null) {
currentAction.onDiscard();
}
currentAction = null;
pendingAction = null;
}
void onSaveInstanceState(Bundle outState) {
outState.putInt(SAVED_STATE_CURRENT_ACTION, currentActionIndex);
outState.putParcelable(EXTRA_CALL_INTENT_BUILDER, builder);
}
private void runNextAction() {
LogUtil.enterBlock("PreCallCoordinatorImpl.runNextAction");
Assert.checkArgument(currentAction == null);
if (currentActionIndex >= actions.size()) {
TelecomUtil.placeCall(activity, builder.build());
activity.finish();
return;
}
LogUtil.i("PreCallCoordinatorImpl.runNextAction", "running " + actions.get(currentActionIndex));
currentAction = actions.get(currentActionIndex);
actions.get(currentActionIndex).runWithUi(this);
if (pendingAction == null) {
onActionFinished();
}
}
private void onActionFinished() {
LogUtil.enterBlock("PreCallCoordinatorImpl.onActionFinished");
Assert.isNotNull(currentAction);
currentAction = null;
currentActionIndex++;
if (!aborted) {
runNextAction();
} else {
activity.finish();
}
}
@Override
public void abortCall() {
Assert.checkState(currentAction != null);
aborted = true;
}
@NonNull
@Override
public CallIntentBuilder getBuilder() {
return builder;
}
@NonNull
@Override
public Activity getActivity() {
return activity;
}
@Override
@NonNull
public PendingAction startPendingAction() {
Assert.isMainThread();
Assert.isNotNull(currentAction);
Assert.checkArgument(pendingAction == null);
pendingAction = new PendingActionImpl();
return pendingAction;
}
private class PendingActionImpl implements PendingAction {
@Override
public void finish() {
Assert.checkArgument(pendingAction == this);
pendingAction = null;
onActionFinished();
}
}
}
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