mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
288 lines
9.4 KiB
Java
288 lines
9.4 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko;
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import java.util.ArrayList;
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import android.content.Context;
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import android.content.res.Resources;
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import android.graphics.drawable.Drawable;
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import android.text.TextUtils;
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import android.util.AttributeSet;
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import android.util.DisplayMetrics;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AbsListView.RecyclerListener;
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import android.widget.BaseAdapter;
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import android.widget.Button;
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import android.widget.ImageButton;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.ListView;
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import android.widget.TextView;
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public class TabsTray extends LinearLayout
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implements TabsPanel.PanelView,
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Tabs.OnTabsChangedListener {
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private static final String LOGTAG = "GeckoTabsTray";
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private Context mContext;
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private static boolean mHeightRestricted;
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private static int sPreferredHeight;
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private static int sListItemHeight;
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private static int sListDividerHeight;
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private static ListView mList;
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private static TabsListContainer mListContainer;
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private TabsAdapter mTabsAdapter;
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private boolean mWaitingForClose;
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private static final String ABOUT_HOME = "about:home";
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public TabsTray(Context context, AttributeSet attrs) {
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super(context, attrs);
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mContext = context;
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LayoutInflater.from(context).inflate(R.layout.tabs_tray, this);
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mList = (ListView) findViewById(R.id.list);
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mList.setItemsCanFocus(true);
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mList.setRecyclerListener(new RecyclerListener() {
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@Override
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public void onMovedToScrapHeap(View view) {
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TabRow row = (TabRow) view.getTag();
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row.thumbnail.setImageDrawable(null);
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}
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});
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mListContainer = (TabsListContainer) findViewById(R.id.list_container);
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}
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@Override
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public ViewGroup getLayout() {
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return this;
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}
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@Override
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public void setHeightRestriction(boolean isRestricted) {
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mHeightRestricted = isRestricted;
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}
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@Override
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public void show() {
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mWaitingForClose = false;
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DisplayMetrics metrics = new DisplayMetrics();
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GeckoApp.mAppContext.getWindowManager().getDefaultDisplay().getMetrics(metrics);
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Resources resources = mContext.getResources();
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sListItemHeight = (int) (resources.getDimension(R.dimen.local_tab_row_height));
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sListDividerHeight = (int) (resources.getDimension(R.dimen.tabs_list_divider_height));
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sPreferredHeight = (int) ((0.5 * metrics.heightPixels) + (0.33 * sListItemHeight));
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Tabs.registerOnTabsChangedListener(this);
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Tabs.getInstance().refreshThumbnails();
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onTabChanged(null, null);
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}
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@Override
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public void hide() {
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Tabs.unregisterOnTabsChangedListener(this);
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GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("Tab:Screenshot:Cancel",""));
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mTabsAdapter.clear();
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mTabsAdapter.notifyDataSetChanged();
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}
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public void onTabChanged(Tab tab, Tabs.TabEvents msg) {
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if (mTabsAdapter == null) {
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mTabsAdapter = new TabsAdapter(mContext, Tabs.getInstance().getTabsInOrder());
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mList.setAdapter(mTabsAdapter);
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mListContainer.requestLayout();
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int selected = mTabsAdapter.getPositionForTab(Tabs.getInstance().getSelectedTab());
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if (selected == -1)
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return;
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mList.setSelection(selected);
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return;
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}
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int position = mTabsAdapter.getPositionForTab(tab);
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if (position == -1)
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return;
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if (Tabs.getInstance().getIndexOf(tab) == -1) {
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mWaitingForClose = false;
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mTabsAdapter.removeTab(tab);
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mTabsAdapter.notifyDataSetChanged();
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} else {
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View view = mList.getChildAt(position - mList.getFirstVisiblePosition());
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if (view == null)
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return;
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TabRow row = (TabRow) view.getTag();
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mTabsAdapter.assignValues(row, tab);
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}
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}
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void hideTabs() {
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GeckoApp.mAppContext.hideTabs();
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}
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// Tabs List Container holds the ListView and the New Tab button
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public static class TabsListContainer extends LinearLayout {
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public TabsListContainer(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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if (mList.getAdapter() == null || !mHeightRestricted) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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return;
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}
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int childrenHeight = (mList.getAdapter().getCount() * (sListItemHeight + sListDividerHeight)) - sListDividerHeight;
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int restrictedHeightSpec = MeasureSpec.makeMeasureSpec(Math.min(childrenHeight, sPreferredHeight), MeasureSpec.EXACTLY);
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super.onMeasure(widthMeasureSpec, restrictedHeightSpec);
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}
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}
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// ViewHolder for a row in the list
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private class TabRow {
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int id;
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TextView title;
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ImageView thumbnail;
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ImageButton close;
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LinearLayout info;
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public TabRow(View view) {
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info = (LinearLayout) view;
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title = (TextView) view.findViewById(R.id.title);
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thumbnail = (ImageView) view.findViewById(R.id.thumbnail);
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close = (ImageButton) view.findViewById(R.id.close);
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}
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}
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// Adapter to bind tabs into a list
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private class TabsAdapter extends BaseAdapter {
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private Context mContext;
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private ArrayList<Tab> mTabs;
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private LayoutInflater mInflater;
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private View.OnClickListener mOnInfoClickListener;
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private Button.OnClickListener mOnCloseClickListener;
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public TabsAdapter(Context context, ArrayList<Tab> tabs) {
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mContext = context;
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mInflater = LayoutInflater.from(mContext);
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mTabs = new ArrayList<Tab>();
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if (tabs == null)
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return;
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for (int i = 0; i < tabs.size(); i++) {
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mTabs.add(tabs.get(i));
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}
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mOnInfoClickListener = new View.OnClickListener() {
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public void onClick(View v) {
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Tabs.getInstance().selectTab(((TabRow) v.getTag()).id);
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hideTabs();
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}
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};
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mOnCloseClickListener = new Button.OnClickListener() {
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public void onClick(View v) {
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if (mWaitingForClose)
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return;
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mWaitingForClose = true;
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String tabId = v.getTag().toString();
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Tabs tabs = Tabs.getInstance();
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Tab tab = tabs.getTab(Integer.parseInt(tabId));
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tabs.closeTab(tab);
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}
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};
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}
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public void clear() {
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mTabs = null;
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}
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public int getCount() {
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return (mTabs == null ? 0 : mTabs.size());
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}
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public Tab getItem(int position) {
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return mTabs.get(position);
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}
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public long getItemId(int position) {
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return position;
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}
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public int getPositionForTab(Tab tab) {
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if (mTabs == null || tab == null)
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return -1;
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return mTabs.indexOf(tab);
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}
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public void removeTab(Tab tab) {
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mTabs.remove(tab);
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}
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public void assignValues(TabRow row, Tab tab) {
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if (row == null || tab == null)
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return;
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row.id = tab.getId();
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Drawable thumbnailImage = tab.getThumbnail();
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if (thumbnailImage != null)
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row.thumbnail.setImageDrawable(thumbnailImage);
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else if (TextUtils.equals(tab.getURL(), ABOUT_HOME))
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row.thumbnail.setImageResource(R.drawable.abouthome_thumbnail);
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else
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row.thumbnail.setImageResource(R.drawable.tab_thumbnail_default);
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if (Tabs.getInstance().isSelectedTab(tab))
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row.info.setBackgroundResource(R.drawable.tabs_tray_active_selector);
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else
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row.info.setBackgroundResource(R.drawable.tabs_tray_default_selector);
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row.title.setText(tab.getDisplayTitle());
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row.close.setTag(String.valueOf(row.id));
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row.close.setVisibility(mTabs.size() > 1 ? View.VISIBLE : View.INVISIBLE);
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}
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public View getView(int position, View convertView, ViewGroup parent) {
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TabRow row;
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if (convertView == null) {
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convertView = mInflater.inflate(R.layout.tabs_row, null);
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convertView.setOnClickListener(mOnInfoClickListener);
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row = new TabRow(convertView);
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row.close.setOnClickListener(mOnCloseClickListener);
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convertView.setTag(row);
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} else {
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row = (TabRow) convertView.getTag();
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}
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Tab tab = mTabs.get(position);
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assignValues(row, tab);
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return convertView;
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}
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}
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}
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