1 /* 2 * Copyright (C) 2011 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.launcher2; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.view.View; 22 import android.widget.TabWidget; 23 24 public class FocusOnlyTabWidget extends TabWidget { 25 public FocusOnlyTabWidget(Context context) { 26 super(context); 27 } 28 29 public FocusOnlyTabWidget(Context context, AttributeSet attrs) { 30 super(context, attrs); 31 } 32 33 public FocusOnlyTabWidget(Context context, AttributeSet attrs, int defStyle) { 34 super(context, attrs, defStyle); 35 } 36 37 public View getSelectedTab() { 38 final int count = getTabCount(); 39 for (int i = 0; i < count; ++i) { 40 View v = getChildTabViewAt(i); 41 if (v.isSelected()) { 42 return v; 43 } 44 } 45 return null; 46 } 47 48 public int getChildTabIndex(View v) { 49 final int tabCount = getTabCount(); 50 for (int i = 0; i < tabCount; ++i) { 51 if (getChildTabViewAt(i) == v) { 52 return i; 53 } 54 } 55 return -1; 56 } 57 58 public void setCurrentTabToFocusedTab() { 59 View tab = null; 60 int index = -1; 61 final int count = getTabCount(); 62 for (int i = 0; i < count; ++i) { 63 View v = getChildTabViewAt(i); 64 if (v.hasFocus()) { 65 tab = v; 66 index = i; 67 break; 68 } 69 } 70 if (index > -1) { 71 super.setCurrentTab(index); 72 super.onFocusChange(tab, true); 73 } 74 } 75 public void superOnFocusChange(View v, boolean hasFocus) { 76 super.onFocusChange(v, hasFocus); 77 } 78 79 @Override 80 public void onFocusChange(android.view.View v, boolean hasFocus) { 81 if (v == this && hasFocus && getTabCount() > 0) { 82 getSelectedTab().requestFocus(); 83 return; 84 } 85 } 86 } 87
