mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-31 14:15:30 +00:00
329 lines
11 KiB
Java
329 lines
11 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko;
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import android.content.Context;
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import android.graphics.drawable.Drawable;
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import android.net.Uri;
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import android.support.v4.view.ViewPager;
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import android.support.v4.view.PagerAdapter;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.inputmethod.InputMethodManager;
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import android.widget.LinearLayout;
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import android.widget.TabHost;
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import android.widget.TabWidget;
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import android.widget.TextView;
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public class AwesomeBarTabs extends TabHost {
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private static final String LOGTAG = "GeckoAwesomeBarTabs";
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private Context mContext;
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private boolean mInflated;
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private LayoutInflater mInflater;
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private OnUrlOpenListener mUrlOpenListener;
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private View.OnTouchListener mListTouchListener;
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private boolean mSearching = false;
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private ViewPager mViewPager;
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private AwesomePagerAdapter mPagerAdapter;
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private AwesomeBarTab mTabs[];
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// FIXME: This value should probably come from a
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// prefs key (just like XUL-based fennec)
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private static final int MAX_RESULTS = 100;
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public interface OnUrlOpenListener {
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public void onUrlOpen(String url);
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public void onSearch(String engine, String text);
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public void onEditSuggestion(String suggestion);
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}
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private class AwesomePagerAdapter extends PagerAdapter {
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public AwesomePagerAdapter() {
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super();
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}
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public Object instantiateItem(ViewGroup group, int index) {
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AwesomeBarTab tab = mTabs[index];
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group.addView(tab.getView());
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return tab;
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}
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public void destroyItem(ViewGroup group, int index, Object obj) {
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AwesomeBarTab tab = (AwesomeBarTab)obj;
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group.removeView(tab.getView());
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}
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public int getCount() {
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if (mSearching)
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return 1;
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return mTabs.length;
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}
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public boolean isViewFromObject(View view, Object object) {
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return getAwesomeBarTabForView(view) == object;
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}
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}
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private AwesomeBarTab getCurrentAwesomeBarTab() {
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int index = mViewPager.getCurrentItem();
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return mTabs[index];
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}
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public AwesomeBarTab getAwesomeBarTabForView(View view) {
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String tag = (String)view.getTag();
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return getAwesomeBarTabForTag(tag);
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}
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public AwesomeBarTab getAwesomeBarTabForTag(String tag) {
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for (AwesomeBarTab tab : mTabs) {
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if (tag.equals(tab.getTag())) {
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return tab;
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}
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}
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return null;
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}
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public boolean onBackPressed() {
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AwesomeBarTab tab = getCurrentAwesomeBarTab();
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if (tab == null)
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return false;
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return tab.onBackPressed();
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}
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public AwesomeBarTabs(Context context, AttributeSet attrs) {
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super(context, attrs);
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Log.d(LOGTAG, "Creating AwesomeBarTabs");
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mContext = context;
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mInflated = false;
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mInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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}
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@Override
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protected void onFinishInflate() {
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super.onFinishInflate();
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// HACK: Without this, the onFinishInflate is called twice
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// This issue is due to a bug when Android inflates a layout with a
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// parent. Fixed in Honeycomb
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if (mInflated)
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return;
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mInflated = true;
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// This should be called before adding any tabs
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// to the TabHost.
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setup();
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mListTouchListener = new View.OnTouchListener() {
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public boolean onTouch(View view, MotionEvent event) {
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if (event.getAction() == MotionEvent.ACTION_DOWN)
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hideSoftInput(view);
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return false;
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}
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};
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mTabs = new AwesomeBarTab[] {
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new AllPagesTab(mContext),
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new BookmarksTab(mContext),
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new HistoryTab(mContext)
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};
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final TabWidget tabWidget = (TabWidget) findViewById(android.R.id.tabs);
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// hide the strip since we aren't using the TabHost...
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tabWidget.setStripEnabled(false);
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mViewPager = (ViewPager) findViewById(R.id.tabviewpager);
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mPagerAdapter = new AwesomePagerAdapter();
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mViewPager.setAdapter(mPagerAdapter);
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mViewPager.setCurrentItem(0);
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mViewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
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public void onPageScrollStateChanged(int state) { }
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public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { }
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public void onPageSelected(int position) {
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tabWidget.setCurrentTab(position);
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styleSelectedTab();
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}
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});
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for (int i = 0; i < mTabs.length; i++) {
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addAwesomeTab(mTabs[i].getTag(),
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mTabs[i].getTitleStringId(),
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i);
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}
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tabWidget.setCurrentTab(0);
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styleSelectedTab();
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// Initialize "App Pages" list with no filter
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filter("");
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}
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private void styleSelectedTab() {
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int selIndex = mViewPager.getCurrentItem();
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TabWidget tabWidget = getTabWidget();
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for (int i = 0; i < tabWidget.getTabCount(); i++) {
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if (i == selIndex)
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continue;
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if (i == (selIndex - 1))
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tabWidget.getChildTabViewAt(i).getBackground().setLevel(1);
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else if (i == (selIndex + 1))
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tabWidget.getChildTabViewAt(i).getBackground().setLevel(2);
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else
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tabWidget.getChildTabViewAt(i).getBackground().setLevel(0);
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}
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if (selIndex == 0)
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findViewById(R.id.tab_widget_left).getBackground().setLevel(1);
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else
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findViewById(R.id.tab_widget_left).getBackground().setLevel(0);
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if (selIndex == (tabWidget.getTabCount() - 1))
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findViewById(R.id.tab_widget_right).getBackground().setLevel(2);
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else
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findViewById(R.id.tab_widget_right).getBackground().setLevel(0);
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}
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private View addAwesomeTab(String id, int titleId, final int contentId) {
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TextView indicatorView = (TextView) mInflater.inflate(R.layout.awesomebar_tab_indicator, null);
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indicatorView.setText(titleId);
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getTabWidget().addView(indicatorView);
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// this MUST be done after tw.addView to overwrite the listener added by tabWidget
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// which delegates to TabHost (which we don't have)
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indicatorView.setOnClickListener(new View.OnClickListener() {
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public void onClick(View v) {
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mViewPager.setCurrentItem(contentId, true);
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}
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});
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return indicatorView;
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}
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private boolean hideSoftInput(View view) {
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InputMethodManager imm =
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(InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
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return imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
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}
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public void setOnUrlOpenListener(OnUrlOpenListener listener) {
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mUrlOpenListener = listener;
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for (AwesomeBarTab tab : mTabs) {
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tab.setUrlListener(listener);
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}
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}
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public void destroy() {
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for (AwesomeBarTab tab : mTabs) {
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tab.destroy();
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}
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}
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public AllPagesTab getAllPagesTab() {
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return (AllPagesTab)getAwesomeBarTabForTag("allPages");
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}
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public BookmarksTab getBookmarksTab() {
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return (BookmarksTab)getAwesomeBarTabForTag("bookmarks");
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}
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public HistoryTab getHistoryTab() {
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return (HistoryTab)getAwesomeBarTabForTag("history");
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}
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public void filter(String searchTerm) {
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// Don't let the tab's content steal focus on tab switch
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setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
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// Ensure the 'All Pages' tab is selected
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AllPagesTab allPages = getAllPagesTab();
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setCurrentTabByTag(allPages.getTag());
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// Restore normal focus behavior on tab host
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setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
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// The tabs should only be visible if there's no on-going search
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mSearching = searchTerm.length() != 0;
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// reset the pager adapter to force repopulating the cache
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mViewPager.setAdapter(mPagerAdapter);
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int tabsVisibility = !mSearching ? View.VISIBLE : View.GONE;
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findViewById(R.id.tab_widget_container).setVisibility(tabsVisibility);
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// Perform the actual search
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allPages.filter(searchTerm);
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}
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public boolean isInReadingList() {
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return getBookmarksTab().isInReadingList();
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}
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public static class Background extends LinearLayout
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implements LightweightTheme.OnChangeListener {
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private GeckoActivity mActivity;
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public Background(Context context, AttributeSet attrs) {
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super(context, attrs);
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mActivity = (GeckoActivity) context;
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}
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@Override
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public void onAttachedToWindow() {
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super.onAttachedToWindow();
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mActivity.getLightweightTheme().addListener(this);
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}
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@Override
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public void onDetachedFromWindow() {
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super.onDetachedFromWindow();
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mActivity.getLightweightTheme().removeListener(this);
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}
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@Override
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public void onLightweightThemeChanged() {
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Drawable drawable = mActivity.getLightweightTheme().getDrawableWithAlpha(this, 255, 0);
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if (drawable == null)
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return;
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int[] padding = new int[] { getPaddingLeft(),
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getPaddingTop(),
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getPaddingRight(),
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getPaddingBottom()
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};
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setBackgroundDrawable(drawable);
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setPadding(padding[0], padding[1], padding[2], padding[3]);
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}
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@Override
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public void onLightweightThemeReset() {
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int[] padding = new int[] { getPaddingLeft(),
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getPaddingTop(),
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getPaddingRight(),
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getPaddingBottom()
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};
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setBackgroundResource(R.drawable.abouthome_bg_repeat);
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setPadding(padding[0], padding[1], padding[2], padding[3]);
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}
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@Override
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protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
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super.onLayout(changed, left, top, right, bottom);
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onLightweightThemeChanged();
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}
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}
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}
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