mirror of
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313 lines
11 KiB
Java
313 lines
11 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Android code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Sriram Ramasubramanian <sriram@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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package org.mozilla.gecko;
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import java.util.ArrayList;
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import android.app.Activity;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.os.Bundle;
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import android.os.Build;
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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.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.RelativeLayout;
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import android.widget.TextView;
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public class TabsTray extends Activity implements GeckoApp.OnTabsChangedListener {
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private static int sPreferredHeight;
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private static int sMaxHeight;
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private static int sListItemHeight;
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private static int sAddTabHeight;
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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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// 100 for item + 2 for divider
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private static final int TABS_LIST_ITEM_HEIGHT = 102;
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private static final int TABS_ADD_TAB_HEIGHT = 50;
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.tabs_tray);
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if (Build.VERSION.SDK_INT >= 11) {
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GeckoActionBar.hide(this);
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}
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mWaitingForClose = false;
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mList = (ListView) findViewById(R.id.list);
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mListContainer = (TabsListContainer) findViewById(R.id.list_container);
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LinearLayout addTab = (LinearLayout) findViewById(R.id.add_tab);
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addTab.setOnClickListener(new Button.OnClickListener() {
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public void onClick(View v) {
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GeckoApp.mAppContext.addTab();
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finishActivity();
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}
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});
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LinearLayout container = (LinearLayout) findViewById(R.id.container);
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container.setOnClickListener(new Button.OnClickListener() {
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public void onClick(View v) {
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finishActivity();
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}
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});
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DisplayMetrics metrics = new DisplayMetrics();
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getWindowManager().getDefaultDisplay().getMetrics(metrics);
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sListItemHeight = (int) (TABS_LIST_ITEM_HEIGHT * metrics.density);
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sAddTabHeight = (int) (TABS_ADD_TAB_HEIGHT * metrics.density);
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sPreferredHeight = (int) (0.67 * metrics.heightPixels);
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sMaxHeight = (int) (sPreferredHeight + (0.33 * sListItemHeight));
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GeckoApp.registerOnTabsChangedListener(this);
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Tabs.getInstance().refreshThumbnails();
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onTabsChanged(null);
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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GeckoApp.unregisterOnTabsChangedListener(this);
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}
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@Override
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public void onWindowFocusChanged(boolean hasFocus) {
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// This function is called after the initial list is populated
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// Scrolling to the selected tab can happen here
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if (hasFocus) {
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int position = mTabsAdapter.getPositionForTab(Tabs.getInstance().getSelectedTab());
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if (position == -1)
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return;
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.FROYO) {
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mList.smoothScrollToPosition(position);
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} else {
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/* To Do: Find a way to scroll with Eclair's APIs */
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}
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}
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}
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public void onTabsChanged(Tab tab) {
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if (Tabs.getInstance().getCount() == 1)
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finishActivity();
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if (mTabsAdapter == null) {
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mTabsAdapter = new TabsAdapter(this, Tabs.getInstance().getTabsInOrder());
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mList.setAdapter(mTabsAdapter);
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mListContainer.requestLayout();
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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 = new TabsAdapter(this, Tabs.getInstance().getTabsInOrder());
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mList.setAdapter(mTabsAdapter);
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mListContainer.requestLayout();
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} else {
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View view = mList.getChildAt(position - mList.getFirstVisiblePosition());
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mTabsAdapter.assignValues(view, tab);
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}
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}
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void finishActivity() {
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finish();
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overridePendingTransition(0, R.anim.shrink_fade_out);
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GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("Tab:Screenshot:Cancel",""));
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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) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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return;
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}
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int restrictedHeightSpec;
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int childrenHeight = (mList.getAdapter().getCount() * sListItemHeight) + sAddTabHeight;
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if (childrenHeight <= sPreferredHeight) {
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restrictedHeightSpec = MeasureSpec.makeMeasureSpec(childrenHeight, MeasureSpec.EXACTLY);
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} else {
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if ((childrenHeight - sAddTabHeight) % sListItemHeight == 0)
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restrictedHeightSpec = MeasureSpec.makeMeasureSpec(sMaxHeight, MeasureSpec.EXACTLY);
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else
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restrictedHeightSpec = MeasureSpec.makeMeasureSpec(sPreferredHeight, MeasureSpec.EXACTLY);
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}
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super.onMeasure(widthMeasureSpec, restrictedHeightSpec);
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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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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(Integer.parseInt((String) v.getTag()));
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finishActivity();
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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 int getCount() {
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return 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 assignValues(View view, Tab tab) {
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if (view == null || tab == null)
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return;
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ImageView thumbnail = (ImageView) view.findViewById(R.id.thumbnail);
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Drawable thumbnailImage = tab.getThumbnail();
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if (thumbnailImage != null)
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thumbnail.setImageDrawable(thumbnailImage);
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else
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thumbnail.setImageResource(R.drawable.tab_thumbnail_default);
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if (Tabs.getInstance().isSelectedTab(tab))
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((ImageView) view.findViewById(R.id.selected_indicator)).setVisibility(View.VISIBLE);
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TextView title = (TextView) view.findViewById(R.id.title);
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title.setText(tab.getDisplayTitle());
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}
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public View getView(int position, View convertView, ViewGroup parent) {
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convertView = mInflater.inflate(R.layout.tabs_row, null);
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Tab tab = mTabs.get(position);
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RelativeLayout info = (RelativeLayout) convertView.findViewById(R.id.info);
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info.setTag(String.valueOf(tab.getId()));
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info.setOnClickListener(mOnInfoClickListener);
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assignValues(convertView, tab);
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ImageButton close = (ImageButton) convertView.findViewById(R.id.close);
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if (mTabs.size() > 1) {
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close.setTag(String.valueOf(tab.getId()));
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close.setOnClickListener(mOnCloseClickListener);
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} else {
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close.setVisibility(View.GONE);
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}
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return convertView;
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}
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@Override
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public void notifyDataSetChanged() {
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}
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@Override
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public void notifyDataSetInvalidated() {
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}
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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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}
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}
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