package com.android.systemui;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
public class ResizingSpace extends View {
private final int mWidth;
private final int mHeight;
public ResizingSpace(Context context, AttributeSet attrs) {
super(context, attrs);
if (getVisibility() == VISIBLE) {
setVisibility(INVISIBLE);
}
TypedArray a = context.obtainStyledAttributes(attrs, android.R.styleable.ViewGroup_Layout);
mWidth = a.getResourceId(android.R.styleable.ViewGroup_Layout_layout_width, 0);
mHeight = a.getResourceId(android.R.styleable.ViewGroup_Layout_layout_height, 0);
}
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
LayoutParams params = getLayoutParams();
boolean changed = false;
if (mWidth > 0) {
int width = getContext().getResources().getDimensionPixelOffset(mWidth);
if (width != params.width) {
params.width = width;
changed = true;
}
}
if (mHeight > 0) {
int height = getContext().getResources().getDimensionPixelOffset(mHeight);
if (height != params.height) {
params.height = height;
changed = true;
}
}
if (changed) {
setLayoutParams(params);
}
}
@Override
public void draw(Canvas canvas) {
}
private static int getDefaultSize2(int size, int measureSpec) {
int result = size;
int specMode = MeasureSpec.getMode(measureSpec);
int specSize = MeasureSpec.getSize(measureSpec);
switch (specMode) {
case MeasureSpec.UNSPECIFIED:
result = size;
break;
case MeasureSpec.AT_MOST:
result = Math.min(size, specSize);
break;
case MeasureSpec.EXACTLY:
result = specSize;
break;
}
return result;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
setMeasuredDimension(
getDefaultSize2(getSuggestedMinimumWidth(), widthMeasureSpec),
getDefaultSize2(getSuggestedMinimumHeight(), heightMeasureSpec));
}
}