com/android/keyguard/KeyguardHostView.java

/*
 * Copyright (C) 2007 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.content.Context;
import android.graphics.Canvas;
import android.util.AttributeSet;
import android.widget.FrameLayout;

/**
 * Base class for keyguard view.  {@link #reset} is where you should
 * reset the state of your view.  Use the {@link KeyguardViewCallback} via
 * {@link #getCallback()} to send information back (such as poking the wake lock,
 * or finishing the keyguard).
 *
 * Handles intercepting of media keys that still work when the keyguard is
 * showing.
 */
public class KeyguardHostView extends FrameLayout {

    protected ViewMediatorCallback mViewMediatorCallback;


    public KeyguardHostView(Context context) {
        this(context, null);
    }

    public KeyguardHostView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    protected void dispatchDraw(Canvas canvas) {
        super.dispatchDraw(canvas);
        if (mViewMediatorCallback != null) {
            mViewMediatorCallback.keyguardDoneDrawing();
        }
    }

    public void setViewMediatorCallback(ViewMediatorCallback viewMediatorCallback) {
        mViewMediatorCallback = viewMediatorCallback;
    }
}