gecko/mobile/android/base/TabsTray.java
2011-11-21 12:21:10 -08:00

275 lines
9.6 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Android code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Sriram Ramasubramanian <sriram@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.gecko;
import java.util.ArrayList;
import java.util.Iterator;
import android.app.Activity;
import android.content.Intent;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.Typeface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
public class TabsTray extends Activity implements GeckoApp.OnTabsChangedListener {
private ListView mList;
private TabsAdapter mTabsAdapter;
private boolean mWaitingForClose;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.tabs_tray);
mWaitingForClose = false;
mList = (ListView) findViewById(R.id.list);
LinearLayout addTab = (LinearLayout) findViewById(R.id.add_tab);
addTab.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
GeckoApp.mAppContext.addTab();
finishActivity();
}
});
// Adding a native divider for the add-tab
LinearLayout lastDivider = new LinearLayout(this);
lastDivider.setOrientation(LinearLayout.HORIZONTAL);
lastDivider.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, mList.getDividerHeight()));
lastDivider.setBackgroundDrawable(mList.getDivider());
addTab.addView(lastDivider, 0);
LinearLayout container = (LinearLayout) findViewById(R.id.container);
container.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
finishActivity();
}
});
GeckoApp.registerOnTabsChangedListener(this);
onTabsChanged(null);
}
@Override
public void onDestroy() {
super.onDestroy();
GeckoApp.unregisterOnTabsChangedListener(this);
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
// This function is called after the initial list is populated
// Scrolling to the selected tab can happen here
if (hasFocus) {
int position = mTabsAdapter.getPositionForTab(Tabs.getInstance().getSelectedTab());
if (position != -1)
mList.smoothScrollToPosition(position);
}
}
public void onTabsChanged(Tab tab) {
if (Tabs.getInstance().getCount() == 1)
finishActivity();
if (mTabsAdapter == null) {
mTabsAdapter = new TabsAdapter(this, Tabs.getInstance().getTabsInOrder());
mList.setAdapter(mTabsAdapter);
return;
}
int position = mTabsAdapter.getPositionForTab(tab);
if (position == -1)
return;
if (Tabs.getInstance().getIndexOf(tab) == -1) {
mWaitingForClose = false;
mTabsAdapter = new TabsAdapter(this, Tabs.getInstance().getTabsInOrder());
mList.setAdapter(mTabsAdapter);
} else {
View view = mList.getChildAt(position - mList.getFirstVisiblePosition());
mTabsAdapter.assignValues(view, tab);
}
}
void finishActivity() {
finish();
overridePendingTransition(0, R.anim.shrink_fade_out);
}
// Adapter to bind tabs into a list
private class TabsAdapter extends BaseAdapter {
public TabsAdapter(Context context, ArrayList<Tab> tabs) {
mContext = context;
mInflater = LayoutInflater.from(mContext);
mTabs = new ArrayList<Tab>();
if (tabs == null)
return;
for (int i = 0; i < tabs.size(); i++) {
mTabs.add(tabs.get(i));
}
}
@Override
public int getCount() {
return mTabs.size();
}
@Override
public Tab getItem(int position) {
return mTabs.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
public int getPositionForTab(Tab tab) {
if (mTabs == null || tab == null)
return -1;
return mTabs.indexOf(tab);
}
public void assignValues(View view, Tab tab) {
if (view == null || tab == null)
return;
ImageView favicon = (ImageView) view.findViewById(R.id.favicon);
Drawable faviconImage = tab.getFavicon();
if (faviconImage != null)
favicon.setImageDrawable(faviconImage);
else
favicon.setImageResource(R.drawable.favicon);
TextView title = (TextView) view.findViewById(R.id.title);
title.setText(tab.getDisplayTitle());
if (Tabs.getInstance().isSelectedTab(tab))
title.setTypeface(title.getTypeface(), Typeface.BOLD);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
convertView = mInflater.inflate(R.layout.tabs_row, null);
Tab tab = mTabs.get(position);
RelativeLayout info = (RelativeLayout) convertView.findViewById(R.id.info);
info.setTag("" + tab.getId());
info.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
GeckoAppShell.sendEventToGecko(new GeckoEvent("Tab:Select", "" + v.getTag()));
finishActivity();
}
});
assignValues(convertView, tab);
ImageButton close = (ImageButton) convertView.findViewById(R.id.close);
if (mTabs.size() > 1) {
close.setTag("" + tab.getId());
close.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
if (mWaitingForClose)
return;
mWaitingForClose = true;
int tabId = Integer.parseInt("" + v.getTag());
Tabs tabs = Tabs.getInstance();
Tab tab = tabs.getTab(tabId);
if (tabs.isSelectedTab(tab)) {
int index = tabs.getIndexOf(tab);
if (index >= 1)
index--;
else
index = 1;
int id = tabs.getTabAt(index).getId();
GeckoAppShell.sendEventToGecko(new GeckoEvent("Tab:Select", String.valueOf(id)));
GeckoAppShell.sendEventToGecko(new GeckoEvent("Tab:Close", v.getTag().toString()));
} else {
GeckoAppShell.sendEventToGecko(new GeckoEvent("Tab:Close", v.getTag().toString()));
GeckoAppShell.sendEventToGecko(new GeckoEvent("Tab:Select", String.valueOf(tabs.getSelectedTabId())));
}
}
});
} else {
close.setVisibility(View.GONE);
}
return convertView;
}
@Override
public void notifyDataSetChanged() {
}
@Override
public void notifyDataSetInvalidated() {
}
private Context mContext;
private ArrayList<Tab> mTabs;
private LayoutInflater mInflater;
}
}