gecko/mobile/android/base/awesomebar/AllPagesTab.java

564 lines
21 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.app.Activity;
import android.content.Context;
import android.widget.ListView;
import android.widget.ImageView;
import android.widget.TextView;
import android.view.View;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.MenuItem;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.app.Activity;
import android.widget.AdapterView;
import android.database.Cursor;
import android.widget.AdapterView;
import android.util.Log;
import android.text.TextUtils;
import android.widget.Toast;
import android.widget.SimpleCursorAdapter;
import android.widget.LinearLayout;
import android.widget.TabHost.TabContentFactory;
import android.view.ViewGroup;
import android.graphics.drawable.Drawable;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.content.Intent;
import android.widget.FilterQueryProvider;
import android.os.SystemClock;
import android.view.MenuInflater;
import android.widget.TabHost;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import org.json.JSONArray;
import org.json.JSONObject;
import org.json.JSONException;
import org.mozilla.gecko.AwesomeBar.ContextMenuSubject;
import org.mozilla.gecko.db.BrowserDB;
import org.mozilla.gecko.db.BrowserDB.URLColumns;
import org.mozilla.gecko.db.BrowserContract.Combined;
public class AllPagesTab extends AwesomeBarTab {
public static final String LOGTAG = "ALL_PAGES";
private static final String TAG = "allPages";
private String mSearchTerm;
private SearchEngine mSuggestEngine;
private ArrayList<SearchEngine> mSearchEngines;
private ListView mView = null;
private AwesomeBarCursorAdapter mCursorAdapter = null;
private class SearchEntryViewHolder {
public FlowLayout suggestionView;
public ImageView iconView;
public LinearLayout userEnteredView;
public TextView userEnteredTextView;
}
public AllPagesTab(Context context) {
super(context);
mSearchEngines = new ArrayList<SearchEngine>();
}
public boolean onBackPressed() {
return false;
}
public TabContentFactory getFactory() {
return new TabContentFactory() {
public View createTabContent(String tag) {
final ListView list = getListView();
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
handleItemClick(parent, view, position, id);
}
});
return list;
}
};
}
public int getTitleStringId() {
return R.string.awesomebar_all_pages_title;
}
public String getTag() {
return TAG;
}
public ListView getListView() {
if (mView == null) {
mView = new ListView(mContext, null, R.style.AwesomeBarList);
((Activity)mContext).registerForContextMenu(mView);
mView.setTag(TAG);
AwesomeBarCursorAdapter adapter = getCursorAdapter();
mView.setAdapter(adapter);
mView.setOnTouchListener(mListListener);
}
return mView;
}
public void destroy() {
AwesomeBarCursorAdapter adapter = getCursorAdapter();
if (adapter == null) {
return;
}
Cursor cursor = adapter.getCursor();
if (cursor != null)
cursor.close();
}
public void filter(String searchTerm) {
AwesomeBarCursorAdapter adapter = getCursorAdapter();
adapter.filter(searchTerm);
}
protected AwesomeBarCursorAdapter getCursorAdapter() {
if (mCursorAdapter == null) {
// Load the list using a custom adapter so we can create the bitmaps
mCursorAdapter = new AwesomeBarCursorAdapter(mContext);
mCursorAdapter.setFilterQueryProvider(new FilterQueryProvider() {
public Cursor runQuery(CharSequence constraint) {
long start = SystemClock.uptimeMillis();
Cursor c = BrowserDB.filter(getContentResolver(), constraint, MAX_RESULTS);
c.getCount();
long end = SystemClock.uptimeMillis();
Log.i(LOGTAG, "Got cursor in " + (end - start) + "ms");
return c;
}
});
}
return mCursorAdapter;
}
private interface AwesomeBarItem {
public void onClick();
}
private class AwesomeBarCursorItem implements AwesomeBarItem {
private Cursor mCursor;
public AwesomeBarCursorItem(Cursor cursor) {
mCursor = cursor;
}
public Cursor getCursor() {
return mCursor;
}
public void onClick() {
AwesomeBarTabs.OnUrlOpenListener listener = getUrlListener();
if (listener == null)
return;
String url = mCursor.getString(mCursor.getColumnIndexOrThrow(URLColumns.URL));
int display = mCursor.getInt(mCursor.getColumnIndexOrThrow(Combined.DISPLAY));
if (display == Combined.DISPLAY_READER) {
url = getReaderForUrl(url);
}
listener.onUrlOpen(url);
}
}
private class AwesomeBarSearchEngineItem implements AwesomeBarItem {
private String mSearchEngine;
public AwesomeBarSearchEngineItem(String searchEngine) {
mSearchEngine = searchEngine;
}
public void onClick() {
AwesomeBarTabs.OnUrlOpenListener listener = getUrlListener();
if (listener != null)
listener.onSearch(mSearchEngine, mSearchTerm);
}
}
private class AwesomeBarCursorAdapter extends SimpleCursorAdapter {
private static final int ROW_SEARCH = 0;
private static final int ROW_STANDARD = 1;
public AwesomeBarCursorAdapter(Context context) {
super(context, -1, null, new String[] {}, new int[] {});
mSearchTerm = "";
}
public void filter(String searchTerm) {
mSearchTerm = searchTerm;
getFilter().filter(searchTerm);
}
private int getSuggestEngineCount() {
return (mSearchTerm.length() == 0 || mSuggestEngine == null) ? 0 : 1;
}
// Add the search engines to the number of reported results.
@Override
public int getCount() {
final int resultCount = super.getCount();
// don't show search engines or suggestions if search field is empty
if (mSearchTerm.length() == 0)
return resultCount;
return resultCount + mSearchEngines.size() + getSuggestEngineCount();
}
// If an item is part of the cursor result set, return that entry.
// Otherwise, return the search engine data.
@Override
public Object getItem(int position) {
int engineIndex = getEngineIndex(position);
if (engineIndex == -1) {
// return awesomebar result
position -= getSuggestEngineCount();
return new AwesomeBarCursorItem((Cursor) super.getItem(position));
}
// return search engine
return new AwesomeBarSearchEngineItem(getEngine(engineIndex).name);
}
private SearchEngine getEngine(int index) {
final int suggestEngineCount = getSuggestEngineCount();
if (index < suggestEngineCount)
return mSuggestEngine;
return mSearchEngines.get(index - suggestEngineCount);
}
private int getEngineIndex(int position) {
final int resultCount = super.getCount();
final int suggestEngineCount = getSuggestEngineCount();
// return suggest engine index
if (position < suggestEngineCount)
return 0;
// not an engine
if (position - suggestEngineCount < resultCount)
return -1;
// return search engine index
return position - resultCount;
}
@Override
public int getItemViewType(int position) {
return getEngineIndex(position) == -1 ? ROW_STANDARD : ROW_SEARCH;
}
@Override
public int getViewTypeCount() {
// view can be either a standard awesomebar row or a search engine row
return 2;
}
@Override
public boolean isEnabled(int position) {
// If the suggestion row only contains one item (the user-entered
// query), allow the entire row to be clickable; clicking the row
// has the same effect as clicking the single suggestion. If the
// row contains multiple items, clicking the row will do nothing.
int index = getEngineIndex(position);
if (index != -1) {
return getEngine(index).suggestions.isEmpty();
}
return true;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (getItemViewType(position) == ROW_SEARCH) {
SearchEntryViewHolder viewHolder = null;
if (convertView == null) {
convertView = getInflater().inflate(R.layout.awesomebar_suggestion_row, null);
viewHolder = new SearchEntryViewHolder();
viewHolder.suggestionView = (FlowLayout) convertView.findViewById(R.id.suggestion_layout);
viewHolder.iconView = (ImageView) convertView.findViewById(R.id.suggestion_icon);
viewHolder.userEnteredView = (LinearLayout) convertView.findViewById(R.id.suggestion_user_entered);
viewHolder.userEnteredTextView = (TextView) convertView.findViewById(R.id.suggestion_text);
convertView.setTag(viewHolder);
} else {
viewHolder = (SearchEntryViewHolder) convertView.getTag();
}
bindSearchEngineView(getEngine(getEngineIndex(position)), viewHolder);
} else {
AwesomeEntryViewHolder viewHolder = null;
if (convertView == null) {
convertView = getInflater().inflate(R.layout.awesomebar_row, null);
viewHolder = new AwesomeEntryViewHolder();
viewHolder.titleView = (TextView) convertView.findViewById(R.id.title);
viewHolder.urlView = (TextView) convertView.findViewById(R.id.url);
viewHolder.faviconView = (ImageView) convertView.findViewById(R.id.favicon);
viewHolder.bookmarkIconView = (ImageView) convertView.findViewById(R.id.bookmark_icon);
convertView.setTag(viewHolder);
} else {
viewHolder = (AwesomeEntryViewHolder) convertView.getTag();
}
position -= getSuggestEngineCount();
Cursor cursor = getCursor();
if (!cursor.moveToPosition(position))
throw new IllegalStateException("Couldn't move cursor to position " + position);
updateTitle(viewHolder.titleView, cursor);
updateUrl(viewHolder.urlView, cursor);
updateFavicon(viewHolder.faviconView, cursor);
updateBookmarkIcon(viewHolder.bookmarkIconView, cursor);
}
return convertView;
}
private void bindSearchEngineView(final SearchEngine engine, SearchEntryViewHolder viewHolder) {
// when a suggestion is clicked, do a search
OnClickListener clickListener = new OnClickListener() {
public void onClick(View v) {
AwesomeBarTabs.OnUrlOpenListener listener = getUrlListener();
if (listener != null) {
String suggestion = ((TextView) v.findViewById(R.id.suggestion_text)).getText().toString();
listener.onSearch(engine.name, suggestion);
}
}
};
// when a suggestion is long-clicked, copy the suggestion into the URL EditText
OnLongClickListener longClickListener = new OnLongClickListener() {
public boolean onLongClick(View v) {
AwesomeBarTabs.OnUrlOpenListener listener = getUrlListener();
if (listener != null) {
String suggestion = ((TextView) v.findViewById(R.id.suggestion_text)).getText().toString();
listener.onEditSuggestion(suggestion);
return true;
}
return false;
}
};
// set the search engine icon (e.g., Google) for the row
FlowLayout suggestionView = viewHolder.suggestionView;
viewHolder.iconView.setImageDrawable(engine.icon);
// user-entered search term is first suggestion
viewHolder.userEnteredTextView.setText(mSearchTerm);
viewHolder.userEnteredView.setOnClickListener(clickListener);
// add additional suggestions given by this engine
int recycledSuggestionCount = suggestionView.getChildCount();
int suggestionCount = engine.suggestions.size();
int i = 0;
for (i = 0; i < suggestionCount; i++) {
String suggestion = engine.suggestions.get(i);
View suggestionItem = null;
// reuse suggestion views from recycled view, if possible
if (i+1 < recycledSuggestionCount) {
suggestionItem = suggestionView.getChildAt(i+1);
suggestionItem.setVisibility(View.VISIBLE);
} else {
suggestionItem = getInflater().inflate(R.layout.awesomebar_suggestion_item, null);
((ImageView) suggestionItem.findViewById(R.id.suggestion_magnifier)).setVisibility(View.GONE);
suggestionView.addView(suggestionItem);
}
((TextView) suggestionItem.findViewById(R.id.suggestion_text)).setText(suggestion);
suggestionItem.setOnClickListener(clickListener);
suggestionItem.setOnLongClickListener(longClickListener);
}
// hide extra suggestions that have been recycled
for (++i; i < recycledSuggestionCount; i++) {
suggestionView.getChildAt(i).setVisibility(View.GONE);
}
}
};
private class SearchEngine {
public String name;
public Drawable icon;
public ArrayList<String> suggestions;
public SearchEngine(String name) {
this(name, null);
}
public SearchEngine(String name, Drawable icon) {
this.name = name;
this.icon = icon;
this.suggestions = new ArrayList<String>();
}
};
/**
* Sets the suggest engine, which will show suggestions for user-entered queries.
* If the suggest engine has already been set, it will be replaced, and its
* suggestions will be copied to the new suggest engine.
*/
public void setSuggestEngine(String name, Drawable icon) {
// We currently save the suggest engine in shared preferences, so this
// method is called immediately when the AwesomeBar is created. It's
// called again in setSuggestions(), when the list of search engines is
// received from Gecko (in case the suggestion engine has changed).
final SearchEngine suggestEngine = new SearchEngine(name, icon);
if (mSuggestEngine != null)
suggestEngine.suggestions = mSuggestEngine.suggestions;
mSuggestEngine = suggestEngine;
}
/**
* Sets suggestions associated with the current suggest engine.
* If there is no suggest engine, this does nothing.
*/
public void setSuggestions(final ArrayList<String> suggestions) {
if (mSuggestEngine != null) {
mSuggestEngine.suggestions = suggestions;
getCursorAdapter().notifyDataSetChanged();
}
}
/**
* Sets search engines to be shown for user-entered queries.
*/
public void setSearchEngines(String suggestEngine, JSONArray engines) {
mSearchEngines = new ArrayList<SearchEngine>();
for (int i = 0; i < engines.length(); i++) {
try {
JSONObject engineJSON = engines.getJSONObject(i);
String name = engineJSON.getString("name");
String iconURI = engineJSON.getString("iconURI");
Drawable icon = getDrawableFromDataURI(iconURI);
if (name.equals(suggestEngine)) {
setSuggestEngine(name, icon);
} else {
mSearchEngines.add(new SearchEngine(name, icon));
}
} catch (JSONException e) {
Log.e(LOGTAG, "Error getting search engine JSON", e);
return;
}
}
AwesomeBarCursorAdapter adapter = getCursorAdapter();
if (adapter != null)
adapter.notifyDataSetChanged();
}
private Drawable getDrawableFromDataURI(String dataURI) {
String base64 = dataURI.substring(dataURI.indexOf(',') + 1);
Drawable drawable = null;
try {
byte[] bytes = GeckoAppShell.decodeBase64(base64, GeckoAppShell.BASE64_DEFAULT);
ByteArrayInputStream stream = new ByteArrayInputStream(bytes);
drawable = Drawable.createFromStream(stream, "src");
stream.close();
} catch (IllegalArgumentException e) {
Log.i(LOGTAG, "exception while decoding drawable: " + base64, e);
} catch (IOException e) { }
return drawable;
}
public void handleItemClick(AdapterView<?> parent, View view, int position, long id) {
ListView listview = getListView();
if (listview == null)
return;
AwesomeBarItem item = (AwesomeBarItem)listview.getItemAtPosition(position);
item.onClick();
}
protected void updateBookmarkIcon(ImageView bookmarkIconView, Cursor cursor) {
int bookmarkIdIndex = cursor.getColumnIndexOrThrow(Combined.BOOKMARK_ID);
long id = cursor.getLong(bookmarkIdIndex);
int displayIndex = cursor.getColumnIndexOrThrow(Combined.DISPLAY);
int display = cursor.getInt(displayIndex);
// The bookmark id will be 0 (null in database) when the url
// is not a bookmark.
int visibility = (id == 0 ? View.GONE : View.VISIBLE);
bookmarkIconView.setVisibility(visibility);
if (display == Combined.DISPLAY_READER) {
bookmarkIconView.setImageResource(R.drawable.ic_awesomebar_reader);
} else {
bookmarkIconView.setImageResource(R.drawable.ic_awesomebar_star);
}
}
public ContextMenuSubject getSubject(ContextMenu menu, View view, ContextMenuInfo menuInfo) {
ContextMenuSubject subject = null;
if (!(menuInfo instanceof AdapterView.AdapterContextMenuInfo)) {
Log.e(LOGTAG, "menuInfo is not AdapterContextMenuInfo");
return subject;
}
ListView list = (ListView)view;
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
Object selectedItem = list.getItemAtPosition(info.position);
if (!(selectedItem instanceof AwesomeBarCursorItem)) {
Log.e(LOGTAG, "item at " + info.position + " is a search item");
return subject;
}
Cursor cursor = ((AwesomeBarCursorItem) selectedItem).getCursor();
// Don't show the context menu for folders
String keyword = null;
int keywordCol = cursor.getColumnIndex(URLColumns.KEYWORD);
if (keywordCol != -1)
keyword = cursor.getString(keywordCol);
// Use the bookmark id for the Bookmarks tab and the history id for the Top Sites tab
int id = cursor.getInt(cursor.getColumnIndexOrThrow(Combined._ID));
subject = new ContextMenuSubject(id,
cursor.getString(cursor.getColumnIndexOrThrow(URLColumns.URL)),
cursor.getBlob(cursor.getColumnIndexOrThrow(URLColumns.FAVICON)),
cursor.getString(cursor.getColumnIndexOrThrow(URLColumns.TITLE)),
keyword);
if (subject == null)
return subject;
MenuInflater inflater = new MenuInflater(mContext);
inflater.inflate(R.menu.awesomebar_contextmenu, menu);
menu.findItem(R.id.remove_bookmark).setVisible(false);
menu.findItem(R.id.edit_bookmark).setVisible(false);
// Hide "Remove" item if there isn't a valid history ID
if (subject.id < 0)
menu.findItem(R.id.remove_history).setVisible(false);
menu.setHeaderTitle(subject.title);
return subject;
}
}