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package com.android.server.status;
import android.content.Context;
import android.os.Handler;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;
public class IconMerger extends LinearLayout {
StatusBarService service;
StatusBarIcon moreIcon;
public IconMerger(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
final int maxWidth = r - l;
final int N = getChildCount();
int i;
// get the rightmost one, and see if we even need to do anything
int fitRight = -1;
for (i=N-1; i>=0; i--) {
final View child = getChildAt(i);
if (child.getVisibility() != GONE) {
fitRight = child.getRight();
break;
}
}
// find the first visible one that isn't the more icon
View moreView = null;
int fitLeft = -1;
int startIndex = -1;
for (i=0; i<N; i++) {
final View child = getChildAt(i);
if (com.android.internal.R.drawable.stat_notify_more == child.getId()) {
moreView = child;
startIndex = i+1;
}
else if (child.getVisibility() != GONE) {
fitLeft = child.getLeft();
break;
}
}
if (moreView == null || startIndex < 0) {
throw new RuntimeException("Status Bar / IconMerger moreView == null");
}
// if it fits without the more icon, then hide the more icon and update fitLeft
// so everything gets pushed left
int adjust = 0;
if (fitRight - fitLeft <= maxWidth) {
adjust = fitLeft - moreView.getLeft();
fitLeft -= adjust;
fitRight -= adjust;
moreView.layout(0, moreView.getTop(), 0, moreView.getBottom());
}
int extra = fitRight - r;
int shift = -1;
int breakingPoint = fitLeft + extra + adjust;
int number = 0;
for (i=startIndex; i<N; i++) {
final View child = getChildAt(i);
if (child.getVisibility() != GONE) {
int childLeft = child.getLeft();
int childRight = child.getRight();
if (childLeft < breakingPoint) {
// hide this one
child.layout(0, child.getTop(), 0, child.getBottom());
int n = this.service.getIconNumberForView(child);
if (n == 0) {
number += 1;
} else if (n > 0) {
number += n;
}
} else {
// decide how much to shift by
if (shift < 0) {
shift = childLeft - fitLeft;
}
// shift this left by shift
child.layout(childLeft-shift, child.getTop(),
childRight-shift, child.getBottom());
}
}
}
// BUG: Updating the text during the layout here doesn't seem to cause
// the view to be redrawn fully. The text view gets resized correctly, but the
// text contents aren't drawn properly. To work around this, we post a message
// and provide the value later. We're the only one changing this value show it
// should be ordered correctly.
if (false) {
this.moreIcon.update(number);
} else {
mBugWorkaroundNumber = number;
mBugWorkaroundHandler.post(mBugWorkaroundRunnable);
}
}
private int mBugWorkaroundNumber;
private Handler mBugWorkaroundHandler = new Handler();
private Runnable mBugWorkaroundRunnable = new Runnable() {
public void run() {
IconMerger.this.moreIcon.update(mBugWorkaroundNumber);
IconMerger.this.moreIcon.view.invalidate();
}
};
}
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