xref: /frameworks/base/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBouncer.java

/*
 * Copyright (C) 2014 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.systemui.statusbar.phone;

import android.content.Context;
import android.os.RemoteException;
import android.util.Slog;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.android.internal.policy.IKeyguardShowCallback;
import com.android.internal.widget.LockPatternUtils;
import com.android.keyguard.KeyguardHostView;
import com.android.keyguard.KeyguardViewBase;
import com.android.keyguard.R;
import com.android.keyguard.ViewMediatorCallback;
import com.android.systemui.keyguard.KeyguardViewMediator;

/**
 * A class which manages the bouncer on the lockscreen.
 */
public class KeyguardBouncer {

    private Context mContext;
    private ViewMediatorCallback mCallback;
    private LockPatternUtils mLockPatternUtils;
    private ViewGroup mContainer;
    private StatusBarWindowManager mWindowManager;
    private KeyguardViewBase mKeyguardView;
    private ViewGroup mRoot;

    public KeyguardBouncer(Context context, ViewMediatorCallback callback,
            LockPatternUtils lockPatternUtils, StatusBarWindowManager windowManager,
            ViewGroup container) {
        mContext = context;
        mCallback = callback;
        mLockPatternUtils = lockPatternUtils;
        mContainer = container;
        mWindowManager = windowManager;
    }

    public void prepare() {
        ensureView();
    }

    public void show() {
        ensureView();
        mRoot.setVisibility(View.VISIBLE);
        mKeyguardView.requestFocus();
    }

    public void hide() {
        if (mKeyguardView != null) {
            mKeyguardView.cleanUp();
        }
        removeView();
    }

    /**
     * Reset the state of the view.
     */
    public void reset() {
        inflateView();
    }

    public void onScreenTurnedOff() {
        if (mKeyguardView != null) {
            mKeyguardView.onScreenTurnedOff();
        }
    }

    public void onScreenTurnedOn() {
        if (mKeyguardView != null) {
            mKeyguardView.onScreenTurnedOn();
        }
    }

    public long getUserActivityTimeout() {
        if (mKeyguardView != null) {
            long timeout = mKeyguardView.getUserActivityTimeout();
            if (timeout >= 0) {
                return timeout;
            }
        }
        return KeyguardViewMediator.AWAKE_INTERVAL_DEFAULT_MS;
    }

    private void ensureView() {
        if (mRoot == null) {
            inflateView();
        }
    }

    private void inflateView() {
        removeView();
        mRoot = (ViewGroup) LayoutInflater.from(mContext).inflate(R.layout.keyguard_bouncer, null);
        mKeyguardView = (KeyguardViewBase) mRoot.findViewById(R.id.keyguard_host_view);
        mKeyguardView.setLockPatternUtils(mLockPatternUtils);
        mKeyguardView.setViewMediatorCallback(mCallback);
        mContainer.addView(mRoot, mContainer.getChildCount());
        mRoot.setVisibility(View.INVISIBLE);
        mRoot.setSystemUiVisibility(View.STATUS_BAR_DISABLE_HOME);
    }

    private void removeView() {
        if (mRoot != null && mRoot.getParent() == mContainer) {
            mContainer.removeView(mRoot);
            mRoot = null;
        }
    }
}