gecko-dev/mobile/android/base/AwesomeBarTabs.java

280 lines
9.3 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import android.content.ContentResolver;
import android.content.Context;
import android.content.res.Resources;
import android.database.ContentObserver;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.LightingColorFilter;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.os.SystemClock;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.util.Pair;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.ExpandableListView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.SimpleExpandableListAdapter;
import android.widget.TabHost;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.mozilla.gecko.db.BrowserContract.Bookmarks;
import org.mozilla.gecko.db.BrowserContract.Combined;
import org.mozilla.gecko.db.BrowserDB;
import org.mozilla.gecko.db.BrowserDB.URLColumns;
public class AwesomeBarTabs extends TabHost {
private static final String LOGTAG = "GeckoAwesomeBarTabs";
private Context mContext;
private boolean mInflated;
private LayoutInflater mInflater;
private OnUrlOpenListener mUrlOpenListener;
private View.OnTouchListener mListTouchListener;
private AllPagesTab mAllPagesTab;
public BookmarksTab mBookmarksTab;
public HistoryTab mHistoryTab;
// FIXME: This value should probably come from a
// prefs key (just like XUL-based fennec)
private static final int MAX_RESULTS = 100;
public interface OnUrlOpenListener {
public void onUrlOpen(String url);
public void onSearch(String engine, String text);
public void onEditSuggestion(String suggestion);
}
// This method checks to see if we're in a bookmark sub-folder. If we are,
// it will go up a level and return true. Otherwise it will return false.
public boolean onBackPressed() {
// If the soft keyboard is visible in the bookmarks or history tab, the user
// must have explictly brought it up, so we should try hiding it instead of
// exiting the activity or going up a bookmarks folder level.
if (getCurrentTabTag().equals(mBookmarksTab.getTag()) || getCurrentTabTag().equals(mHistoryTab.getTag())) {
View tabView = getCurrentTabView();
if (hideSoftInput(tabView))
return true;
}
// If we're not in the bookmarks tab, we have nothing to do. We should
// also return false if mBookmarksAdapter hasn't been initialized yet.
if (!getCurrentTabTag().equals(mBookmarksTab.getTag()))
return false;
return mBookmarksTab.moveToParentFolder();
}
public AwesomeBarTabs(Context context, AttributeSet attrs) {
super(context, attrs);
Log.d(LOGTAG, "Creating AwesomeBarTabs");
mContext = context;
mInflated = false;
mInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
// HACK: Without this, the onFinishInflate is called twice
// This issue is due to a bug when Android inflates a layout with a
// parent. Fixed in Honeycomb
if (mInflated)
return;
mInflated = true;
// This should be called before adding any tabs
// to the TabHost.
setup();
mListTouchListener = new View.OnTouchListener() {
public boolean onTouch(View view, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN)
hideSoftInput(view);
return false;
}
};
addAllPagesTab();
addBookmarksTab();
addHistoryTab();
// Initialize "App Pages" list with no filter
filter("");
}
private TabSpec addAwesomeTab(String id, int titleId, TabHost.TabContentFactory factory) {
TabSpec tab = getTabSpec(id, titleId);
tab.setContent(factory);
addTab(tab);
return tab;
}
private TabSpec addAwesomeTab(String id, int titleId, int contentId) {
TabSpec tab = getTabSpec(id, titleId);
tab.setContent(contentId);
addTab(tab);
return tab;
}
private TabSpec getTabSpec(String id, int titleId) {
TabSpec tab = newTabSpec(id);
View indicatorView = mInflater.inflate(R.layout.awesomebar_tab_indicator, null);
Drawable background = indicatorView.getBackground();
try {
background.setColorFilter(new LightingColorFilter(Color.WHITE, 0xFFFF9500));
} catch (Exception e) {
Log.d(LOGTAG, "background.setColorFilter failed " + e);
}
TextView title = (TextView) indicatorView.findViewById(R.id.title);
title.setText(titleId);
tab.setIndicator(indicatorView);
return tab;
}
private void addAllPagesTab() {
Log.d(LOGTAG, "Creating All Pages tab");
mAllPagesTab = new AllPagesTab(mContext);
addAwesomeTab(mAllPagesTab.getTag(),
mAllPagesTab.getTitleStringId(),
mAllPagesTab.getFactory());
mAllPagesTab.setListTouchListener(mListTouchListener);
}
private void addBookmarksTab() {
Log.d(LOGTAG, "Creating Bookmarks tab");
mBookmarksTab = new BookmarksTab(mContext);
addAwesomeTab(mBookmarksTab.getTag(),
mBookmarksTab.getTitleStringId(),
mBookmarksTab.getFactory());
mBookmarksTab.setListTouchListener(mListTouchListener);
// Only load bookmark list when tab is actually used.
// See OnTabChangeListener above.
}
private void addHistoryTab() {
Log.d(LOGTAG, "Creating History tab");
mHistoryTab = new HistoryTab(mContext);
addAwesomeTab(mHistoryTab.getTag(),
mHistoryTab.getTitleStringId(),
mHistoryTab.getFactory());
mHistoryTab.setListTouchListener(mListTouchListener);
// Only load history list when tab is actually used.
// See OnTabChangeListener above.
}
private boolean hideSoftInput(View view) {
InputMethodManager imm =
(InputMethodManager) mContext.getSystemService(Context.INPUT_METHOD_SERVICE);
return imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
}
private String getReaderForUrl(String url) {
// FIXME: still need to define the final way to open items from
// reading list. For now, we're using an about:reader page.
return "about:reader?url=" + url;
}
public void setOnUrlOpenListener(OnUrlOpenListener listener) {
mUrlOpenListener = listener;
mAllPagesTab.setUrlListener(listener);
mBookmarksTab.setUrlListener(listener);
mHistoryTab.setUrlListener(listener);
}
public void destroy() {
mAllPagesTab.destroy();
mBookmarksTab.destroy();
mHistoryTab.destroy();
}
public void filter(String searchTerm) {
// Don't let the tab's content steal focus on tab switch
setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
// Ensure the 'All Pages' tab is selected
setCurrentTabByTag(mAllPagesTab.getTag());
// Restore normal focus behavior on tab host
setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
// The tabs should only be visible if there's no on-going search
int tabsVisibility = (searchTerm.length() == 0 ? View.VISIBLE : View.GONE);
getTabWidget().setVisibility(tabsVisibility);
// Perform the actual search
mAllPagesTab.filter(searchTerm);
}
/**
* Sets suggestions associated with the current suggest engine.
* If there is no suggest engine, this does nothing.
*/
public void setSuggestions(final ArrayList<String> suggestions) {
GeckoAppShell.getMainHandler().post(new Runnable() {
public void run() {
mAllPagesTab.setSuggestions(suggestions);
}
});
}
/**
* Sets search engines to be shown for user-entered queries.
*/
public void setSearchEngines(final String suggestEngineName, final JSONArray engines) {
GeckoAppShell.getMainHandler().post(new Runnable() {
public void run() {
mAllPagesTab.setSearchEngines(suggestEngineName, engines);
}
});
}
public boolean isInReadingList() {
return mBookmarksTab.isInReadingList();
}
}