/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.systemui.statusbar;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.widget.ImageView;
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/**
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* An ImageView which supports an attribute specifying whether it has overlapping rendering
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* commands and therefore does not need a layer when alpha is changed.
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*/
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public class AlphaOptimizedImageView extends ImageView {
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public AlphaOptimizedImageView(Context context) {
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this(context, null /* attrs */);
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}
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public AlphaOptimizedImageView(Context context, AttributeSet attrs) {
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this(context, attrs, 0 /* defStyleAttr */);
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}
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public AlphaOptimizedImageView(Context context, AttributeSet attrs, int defStyleAttr) {
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this(context, attrs, defStyleAttr, 0 /* defStyleRes */);
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}
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public AlphaOptimizedImageView(Context context, AttributeSet attrs, int defStyleAttr,
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int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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}
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@Override
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public boolean hasOverlappingRendering() {
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return false;
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}
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}
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