1d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd/* 2d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Copyright (C) 2015 The Android Open Source Project 3d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 4d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Licensed under the Apache License, Version 2.0 (the "License"); 5d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * you may not use this file except in compliance with the License. 6d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * You may obtain a copy of the License at 7d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 8d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * http://www.apache.org/licenses/LICENSE-2.0 9d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 10d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Unless required by applicable law or agreed to in writing, software 11d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * distributed under the License is distributed on an "AS IS" BASIS, 12d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * See the License for the specific language governing permissions and 14d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * limitations under the License. 15d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 16d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpackage com.android.messaging.ui; 17d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 18d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.content.Context; 19d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.content.res.ColorStateList; 20d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.content.res.TypedArray; 21d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.graphics.Outline; 22d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.graphics.drawable.ColorDrawable; 23d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.support.v4.view.PagerAdapter; 24d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.support.v4.view.ViewPager; 25d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.util.AttributeSet; 26d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.util.TypedValue; 27d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.view.Gravity; 28d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.view.View; 29d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.view.ViewOutlineProvider; 30d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.widget.FrameLayout; 31d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.widget.HorizontalScrollView; 32d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.widget.LinearLayout; 33d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.widget.TextView; 34d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.widget.Toast; 35d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 36d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.Factory; 37d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.R; 38d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.util.OsUtil; 39d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 40d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd/** 41d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Lightweight implementation of ViewPager tabs. This looks similar to traditional actionBar tabs, 42d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * but allows for the view containing the tabs to be placed anywhere on screen. Text-related 43d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * attributes can also be assigned in XML - these will get propogated to the child TextViews 44d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * automatically. 45d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 46d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Note: this file is taken from the AOSP /packages/apps/ContactsCommon/src/com/android/contacts/ 47d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * common/list/ViewPagerTabs.java. Some platform specific API calls (e.g. ViewOutlineProvider which 48d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * assumes L and above) have been modified to support down to Api Level 16. 49d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 50d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpublic class ViewPagerTabs extends HorizontalScrollView implements ViewPager.OnPageChangeListener { 51d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 52d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd ViewPager mPager; 53d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private ViewPagerTabStrip mTabStrip; 54d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 55d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd /** 56d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Linearlayout that will contain the TextViews serving as tabs. This is the only child 57d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * of the parent HorizontalScrollView. 58d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 59d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final int mTextStyle; 60d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final ColorStateList mTextColor; 61d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final int mTextSize; 62d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final boolean mTextAllCaps; 63d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd int mPrevSelected = -1; 64d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd int mSidePadding; 65d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 66d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private static final int TAB_SIDE_PADDING_IN_DPS = 10; 67d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 68d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // TODO: This should use <declare-styleable> in the future 69d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private static final int[] ATTRS = new int[] { 70d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd android.R.attr.textSize, 71d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd android.R.attr.textStyle, 72d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd android.R.attr.textColor, 73d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd android.R.attr.textAllCaps 74d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd }; 75d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 76d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd /** 77d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Shows a toast with the tab description when long-clicked. 78d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 79d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private class OnTabLongClickListener implements OnLongClickListener { 80d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final String mTabDescription; 81d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 82d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public OnTabLongClickListener(String tabDescription) { 83d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTabDescription = tabDescription; 84d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 85d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 86d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 87d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public boolean onLongClick(View v) { 88d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final int[] screenPos = new int[2]; 89d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd getLocationOnScreen(screenPos); 90d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 91d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final Context context = getContext(); 92d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final int width = getWidth(); 93d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final int height = getHeight(); 94d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final int screenWidth = context.getResources().getDisplayMetrics().widthPixels; 95d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 96d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd Toast toast = Toast.makeText(context, mTabDescription, Toast.LENGTH_SHORT); 97d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 98d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Show the toast under the tab 99d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd toast.setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL, 100d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd (screenPos[0] + width / 2) - screenWidth / 2, screenPos[1] + height); 101d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 102d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd toast.show(); 103d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return true; 104d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 105d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 106d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 107d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public ViewPagerTabs(Context context) { 108d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd this(context, null); 109d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 110d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 111d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public ViewPagerTabs(Context context, AttributeSet attrs) { 112d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd this(context, attrs, 0); 113d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 114d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 115d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public ViewPagerTabs(Context context, AttributeSet attrs, int defStyle) { 116d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd super(context, attrs, defStyle); 117d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd setFillViewport(true); 118d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 119d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mSidePadding = (int) (getResources().getDisplayMetrics().density * TAB_SIDE_PADDING_IN_DPS); 120d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 121d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final TypedArray a = context.obtainStyledAttributes(attrs, ATTRS); 122d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTextSize = a.getDimensionPixelSize(0, 0); 123d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTextStyle = a.getInt(1, 0); 124d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTextColor = a.getColorStateList(2); 125d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTextAllCaps = a.getBoolean(3, false); 126d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 127d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTabStrip = new ViewPagerTabStrip(context); 128d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd addView(mTabStrip, 129d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT)); 130d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd a.recycle(); 131d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 132d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // enable shadow casting from view bounds 133d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (OsUtil.isAtLeastL()) { 134d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd setOutlineProvider(new ViewOutlineProvider() { 135d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 136d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void getOutline(View view, Outline outline) { 137d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd outline.setRect(0, 0, view.getWidth(), view.getHeight()); 138d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 139d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd }); 140d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 141d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 142d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 143d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void setViewPager(ViewPager viewPager) { 144d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mPager = viewPager; 145d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd addTabs(mPager.getAdapter()); 146d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 147d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 148d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private void addTabs(PagerAdapter adapter) { 149d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTabStrip.removeAllViews(); 150d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 151d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final int count = adapter.getCount(); 152d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd for (int i = 0; i < count; i++) { 153d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd addTab(adapter.getPageTitle(i), i); 154d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 155d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 156d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 157d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private void addTab(CharSequence tabTitle, final int position) { 158d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final TextView textView = new TextView(getContext()); 159d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setText(tabTitle); 160d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setBackgroundResource(R.drawable.contact_picker_tab_background_selector); 161d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setGravity(Gravity.CENTER); 162d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setOnClickListener(new OnClickListener() { 163d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 164d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void onClick(View v) { 165d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mPager.setCurrentItem(getRtlPosition(position)); 166d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 167d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd }); 168d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 169d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Assign various text appearance related attributes to child views. 170d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (mTextStyle > 0) { 171d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setTypeface(textView.getTypeface(), mTextStyle); 172d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 173d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (mTextSize > 0) { 174d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, mTextSize); 175d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 176d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (mTextColor != null) { 177d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setTextColor(mTextColor); 178d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 179d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setAllCaps(mTextAllCaps); 180d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setPadding(mSidePadding, 0, mSidePadding, 0); 181d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTabStrip.addView(textView, new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, 182d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd LayoutParams.MATCH_PARENT, 1)); 183d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Default to the first child being selected 184d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (position == 0) { 185d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mPrevSelected = 0; 186d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd textView.setSelected(true); 187d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 188d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 189d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 190d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 191d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { 192d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd position = getRtlPosition(position); 193d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd int tabStripChildCount = mTabStrip.getChildCount(); 194d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if ((tabStripChildCount == 0) || (position < 0) || (position >= tabStripChildCount)) { 195d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return; 196d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 197d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 198d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTabStrip.onPageScrolled(position, positionOffset, positionOffsetPixels); 199d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 200d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 201d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 202d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void onPageSelected(int position) { 203d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd position = getRtlPosition(position); 204d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd int tabStripChildCount = mTabStrip.getChildCount(); 205d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if ((tabStripChildCount == 0) || (position < 0) || (position >= tabStripChildCount)) { 206d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return; 207d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 208d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 209d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (mPrevSelected >= 0 && mPrevSelected < tabStripChildCount) { 210d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mTabStrip.getChildAt(mPrevSelected).setSelected(false); 211d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 212d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final View selectedChild = mTabStrip.getChildAt(position); 213d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd selectedChild.setSelected(true); 214d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 215d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Update scroll position 216d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final int scrollPos = selectedChild.getLeft() - (getWidth() - selectedChild.getWidth()) / 2; 217d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd smoothScrollTo(scrollPos, 0); 218d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mPrevSelected = position; 219d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 220d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 221d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 222d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void onPageScrollStateChanged(int state) { 223d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 224d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 225d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private int getRtlPosition(int position) { 226d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (OsUtil.isAtLeastJB_MR2() && Factory.get().getApplicationContext().getResources() 227d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd .getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) { 228d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return mTabStrip.getChildCount() - 1 - position; 229d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 230d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return position; 231d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 232d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 233d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public int getSelectedItemPosition() { 234d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return mPrevSelected; 235d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 236d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd} 237