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.os.Handler; 21 import android.util.AttributeSet; 22 import android.util.Slog; 23 import android.view.View; 24 import android.widget.LinearLayout; 25 26 import com.android.internal.statusbar.StatusBarIcon; 27 28 import com.android.systemui.R; 29 import com.android.systemui.statusbar.StatusBarIconView; 30 31 public class IconMerger extends LinearLayout { 32 private static final String TAG = "IconMerger"; 33 private static final boolean DEBUG = false; 34 35 private int mIconSize; 36 private View mMoreView; 37 IconMerger(Context context, AttributeSet attrs)38 public IconMerger(Context context, AttributeSet attrs) { 39 super(context, attrs); 40 41 mIconSize = context.getResources().getDimensionPixelSize( 42 R.dimen.status_bar_icon_size); 43 44 if (DEBUG) { 45 setBackgroundColor(0x800099FF); 46 } 47 } 48 setOverflowIndicator(View v)49 public void setOverflowIndicator(View v) { 50 mMoreView = v; 51 } 52 53 @Override onMeasure(int widthMeasureSpec, int heightMeasureSpec)54 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 55 super.onMeasure(widthMeasureSpec, heightMeasureSpec); 56 // we need to constrain this to an integral multiple of our children 57 int width = getMeasuredWidth(); 58 setMeasuredDimension(width - (width % mIconSize), getMeasuredHeight()); 59 } 60 61 @Override onLayout(boolean changed, int l, int t, int r, int b)62 protected void onLayout(boolean changed, int l, int t, int r, int b) { 63 super.onLayout(changed, l, t, r, b); 64 checkOverflow(r - l); 65 } 66 checkOverflow(int width)67 private void checkOverflow(int width) { 68 if (mMoreView == null) return; 69 70 final int N = getChildCount(); 71 int visibleChildren = 0; 72 for (int i=0; i<N; i++) { 73 if (getChildAt(i).getVisibility() != GONE) visibleChildren++; 74 } 75 final boolean overflowShown = (mMoreView.getVisibility() == View.VISIBLE); 76 // let's assume we have one more slot if the more icon is already showing 77 if (overflowShown) visibleChildren --; 78 final boolean moreRequired = visibleChildren * mIconSize > width; 79 if (moreRequired != overflowShown) { 80 post(new Runnable() { 81 @Override 82 public void run() { 83 mMoreView.setVisibility(moreRequired ? View.VISIBLE : View.GONE); 84 } 85 }); 86 } 87 } 88 } 89