| /* |
| * Copyright (C) 2008 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.systemui.statusbar.phone; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.widget.LinearLayout; |
| |
| import com.android.systemui.R; |
| |
| public class IconMerger extends LinearLayout { |
| private static final String TAG = "IconMerger"; |
| private static final boolean DEBUG = false; |
| |
| private final int mIconSize; |
| private final int mIconHPadding; |
| |
| private View mMoreView; |
| |
| public IconMerger(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| |
| Resources res = context.getResources(); |
| mIconSize = res.getDimensionPixelSize(R.dimen.status_bar_icon_size); |
| mIconHPadding = res.getDimensionPixelSize(R.dimen.status_bar_icon_padding); |
| |
| if (DEBUG) { |
| setBackgroundColor(0x800099FF); |
| } |
| } |
| |
| public void setOverflowIndicator(View v) { |
| mMoreView = v; |
| } |
| |
| private int getFullIconWidth() { |
| return mIconSize + 2 * mIconHPadding; |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| // we need to constrain this to an integral multiple of our children |
| int width = getMeasuredWidth(); |
| setMeasuredDimension(width - (width % getFullIconWidth()), getMeasuredHeight()); |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int l, int t, int r, int b) { |
| super.onLayout(changed, l, t, r, b); |
| checkOverflow(r - l); |
| } |
| |
| private void checkOverflow(int width) { |
| if (mMoreView == null) return; |
| |
| final int N = getChildCount(); |
| int visibleChildren = 0; |
| for (int i=0; i<N; i++) { |
| if (getChildAt(i).getVisibility() != GONE) visibleChildren++; |
| } |
| final boolean overflowShown = (mMoreView.getVisibility() == View.VISIBLE); |
| // let's assume we have one more slot if the more icon is already showing |
| if (overflowShown) visibleChildren --; |
| final boolean moreRequired = visibleChildren * getFullIconWidth() > width; |
| if (moreRequired != overflowShown) { |
| post(new Runnable() { |
| @Override |
| public void run() { |
| mMoreView.setVisibility(moreRequired ? View.VISIBLE : View.GONE); |
| } |
| }); |
| } |
| } |
| } |