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/*
* Copyright (C) 2012 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 org.lineageos.eleven.widgets;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;
/**
* A FrameLayout whose contents are kept beneath an
* {@link AlphaTouchInterceptorOverlay}. If necessary, you can specify your own
* alpha-layer and manually manage its z-order.
*/
public class FrameLayoutWithOverlay extends FrameLayout {
private final AlphaTouchInterceptorOverlay mOverlay;
/**
* @param context The {@link Context} to use
* @param attrs The attributes of the XML tag that is inflating the view.
*/
public FrameLayoutWithOverlay(final Context context, final AttributeSet attrs) {
super(context, attrs);
/* Programmatically create touch-interceptor View. */
mOverlay = new AlphaTouchInterceptorOverlay(context);
addView(mOverlay);
}
/**
* After adding the View, bring the overlay to the front to ensure it's
* always on top.
*/
@Override
public void addView(final View child, final int index, final ViewGroup.LayoutParams params) {
super.addView(child, index, params);
mOverlay.bringToFront();
}
/**
* Delegate to overlay: set the View that it will use as its alpha-layer. If
* none is set, the overlay will use its own alpha layer. Only necessary to
* set this if some child views need to appear above the alpha-layer.
*/
protected void setAlphaLayer(final View layer) {
mOverlay.setAlphaLayer(layer);
}
/** Delegate to overlay: set the alpha value on the alpha layer. */
public void setAlphaLayerValue(final float alpha) {
mOverlay.setAlphaLayerValue(alpha);
}
/** Delegate to overlay. */
public void setOverlayOnClickListener(final OnClickListener listener) {
mOverlay.setOverlayOnClickListener(listener);
}
/** Delegate to overlay. */
public void setOverlayClickable(final boolean clickable) {
mOverlay.setOverlayClickable(clickable);
}
}
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