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/*
* 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.packageinstaller.permission.ui;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.ImageView;
/**
* Extension of ImageView that correctly applies maxWidth and maxHeight.
*/
public class PreferenceImageView extends ImageView {
public PreferenceImageView(Context context) {
this(context, null);
}
public PreferenceImageView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public PreferenceImageView(Context context, AttributeSet attrs, int defStyleAttr) {
this(context, attrs, defStyleAttr, 0);
}
public PreferenceImageView(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
final int widthMode = MeasureSpec.getMode(widthMeasureSpec);
if (widthMode == MeasureSpec.AT_MOST || widthMode == MeasureSpec.UNSPECIFIED) {
final int widthSize = MeasureSpec.getSize(widthMeasureSpec);
final int maxWidth = getMaxWidth();
if (maxWidth != Integer.MAX_VALUE
&& (maxWidth < widthSize || widthMode == MeasureSpec.UNSPECIFIED)) {
widthMeasureSpec = MeasureSpec.makeMeasureSpec(maxWidth, MeasureSpec.AT_MOST);
}
}
final int heightMode = MeasureSpec.getMode(heightMeasureSpec);
if (heightMode == MeasureSpec.AT_MOST || heightMode == MeasureSpec.UNSPECIFIED) {
final int heightSize = MeasureSpec.getSize(heightMeasureSpec);
final int maxHeight = getMaxHeight();
if (maxHeight != Integer.MAX_VALUE
&& (maxHeight < heightSize || heightMode == MeasureSpec.UNSPECIFIED)) {
heightMeasureSpec = MeasureSpec.makeMeasureSpec(maxHeight, MeasureSpec.AT_MOST);
}
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
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