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/*
* Copyright (C) 2020 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.keyguard;
import android.util.Log;
import android.view.LayoutInflater;
import com.android.internal.annotations.VisibleForTesting;
import com.android.keyguard.KeyguardInputViewController.Factory;
import com.android.keyguard.KeyguardSecurityModel.SecurityMode;
import com.android.keyguard.dagger.KeyguardBouncerScope;
import com.android.systemui.R;
import com.android.systemui.util.ViewController;
import java.util.ArrayList;
import java.util.List;
import javax.inject.Inject;
/**
* Controller for a {@link KeyguardSecurityViewFlipper}.
*/
@KeyguardBouncerScope
public class KeyguardSecurityViewFlipperController
extends ViewController<KeyguardSecurityViewFlipper> {
private static final boolean DEBUG = KeyguardConstants.DEBUG;
private static final String TAG = "KeyguardSecurityView";
private final List<KeyguardInputViewController<KeyguardInputView>> mChildren =
new ArrayList<>();
private final LayoutInflater mLayoutInflater;
private final EmergencyButtonController.Factory mEmergencyButtonControllerFactory;
private final Factory mKeyguardSecurityViewControllerFactory;
@Inject
protected KeyguardSecurityViewFlipperController(KeyguardSecurityViewFlipper view,
LayoutInflater layoutInflater,
KeyguardInputViewController.Factory keyguardSecurityViewControllerFactory,
EmergencyButtonController.Factory emergencyButtonControllerFactory) {
super(view);
mKeyguardSecurityViewControllerFactory = keyguardSecurityViewControllerFactory;
mLayoutInflater = layoutInflater;
mEmergencyButtonControllerFactory = emergencyButtonControllerFactory;
}
@Override
protected void onViewAttached() {
}
@Override
protected void onViewDetached() {
}
public void reset() {
for (KeyguardInputViewController<KeyguardInputView> child : mChildren) {
child.reset();
}
}
/** Handles density or font scale changes. */
public void clearViews() {
mView.removeAllViews();
mChildren.clear();
}
@VisibleForTesting
KeyguardInputViewController<KeyguardInputView> getSecurityView(SecurityMode securityMode,
KeyguardSecurityCallback keyguardSecurityCallback) {
KeyguardInputViewController<KeyguardInputView> childController = null;
for (KeyguardInputViewController<KeyguardInputView> child : mChildren) {
if (child.getSecurityMode() == securityMode) {
childController = child;
break;
}
}
if (childController == null
&& securityMode != SecurityMode.None && securityMode != SecurityMode.Invalid) {
int layoutId = getLayoutIdFor(securityMode);
KeyguardInputView view = null;
if (layoutId != 0) {
if (DEBUG) Log.v(TAG, "inflating id = " + layoutId);
view = (KeyguardInputView) mLayoutInflater.inflate(
layoutId, mView, false);
mView.addView(view);
childController = mKeyguardSecurityViewControllerFactory.create(
view, securityMode, keyguardSecurityCallback);
childController.init();
mChildren.add(childController);
}
}
if (childController == null) {
childController = new NullKeyguardInputViewController(
securityMode, keyguardSecurityCallback,
mEmergencyButtonControllerFactory.create(null));
}
return childController;
}
private int getLayoutIdFor(SecurityMode securityMode) {
switch (securityMode) {
case Pattern: return R.layout.keyguard_pattern_view;
case PIN: return R.layout.keyguard_pin_view;
case Password: return R.layout.keyguard_password_view;
case SimPin: return R.layout.keyguard_sim_pin_view;
case SimPuk: return R.layout.keyguard_sim_puk_view;
default:
return 0;
}
}
/** Makes the supplied child visible if it is contained win this view, */
public void show(KeyguardInputViewController<KeyguardInputView> childController) {
int index = childController.getIndexIn(mView);
if (index != -1) {
mView.setDisplayedChild(index);
}
}
private static class NullKeyguardInputViewController
extends KeyguardInputViewController<KeyguardInputView> {
protected NullKeyguardInputViewController(SecurityMode securityMode,
KeyguardSecurityCallback keyguardSecurityCallback,
EmergencyButtonController emergencyButtonController) {
super(null, securityMode, keyguardSecurityCallback, emergencyButtonController,
null);
}
@Override
public boolean needsInput() {
return false;
}
@Override
public void onStartingToHide() {
}
@Override
protected int getInitialMessageResId() {
return 0;
}
}
}
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