1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.statusbar.phone; 18 19 import android.content.Context; 20 import android.content.res.Configuration; 21 import android.content.res.Resources; 22 import android.util.AttributeSet; 23 import android.view.View; 24 import android.widget.LinearLayout; 25 26 import com.android.systemui.R; 27 28 public class IconMerger extends LinearLayout { 29 private static final String TAG = "IconMerger"; 30 private static final boolean DEBUG = false; 31 32 private int mIconSize; 33 private int mIconHPadding; 34 35 private View mMoreView; 36 37 public IconMerger(Context context, AttributeSet attrs) { 38 super(context, attrs); 39 reloadDimens(); 40 if (DEBUG) { 41 setBackgroundColor(0x800099FF); 42 } 43 } 44 45 private void reloadDimens() { 46 Resources res = mContext.getResources(); 47 mIconSize = res.getDimensionPixelSize(R.dimen.status_bar_icon_size); 48 mIconHPadding = res.getDimensionPixelSize(R.dimen.status_bar_icon_padding); 49 } 50 51 @Override 52 protected void onConfigurationChanged(Configuration newConfig) { 53 super.onConfigurationChanged(newConfig); 54 reloadDimens(); 55 } 56 57 public void setOverflowIndicator(View v) { 58 mMoreView = v; 59 } 60 61 private int getFullIconWidth() { 62 return mIconSize + 2 * mIconHPadding; 63 } 64 65 @Override 66 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 67 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 68 // we need to constrain this to an integral multiple of our children 69 int width = getMeasuredWidth(); 70 setMeasuredDimension(width - (width % getFullIconWidth()), getMeasuredHeight()); 71 } 72 73 @Override 74 protected void onLayout(boolean changed, int l, int t, int r, int b) { 75 super.onLayout(changed, l, t, r, b); 76 checkOverflow(r - l); 77 } 78 79 private void checkOverflow(int width) { 80 if (mMoreView == null) return; 81 82 final int N = getChildCount(); 83 int visibleChildren = 0; 84 for (int i=0; i<N; i++) { 85 if (getChildAt(i).getVisibility() != GONE) visibleChildren++; 86 } 87 final boolean overflowShown = (mMoreView.getVisibility() == View.VISIBLE); 88 // let's assume we have one more slot if the more icon is already showing 89 if (overflowShown) visibleChildren --; 90 final boolean moreRequired = visibleChildren * getFullIconWidth() > width; 91 if (moreRequired != overflowShown) { 92 post(new Runnable() { 93 @Override 94 public void run() { 95 mMoreView.setVisibility(moreRequired ? View.VISIBLE : View.GONE); 96 } 97 }); 98 } 99 } 100 } 101
