Winson Chung | 97d85d2 | 2011-04-13 11:27:36 -0700 | [diff] [blame] | 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 | } |