connectbot/src/org/connectbot/HostEditorActivity.java

427 lines
13 KiB
Java

/*
* ConnectBot: simple, powerful, open-source SSH client for Android
* Copyright 2007 Kenny Root, Jeffrey Sharkey
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.connectbot;
import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.connectbot.bean.HostBean;
import org.connectbot.service.TerminalBridge;
import org.connectbot.service.TerminalManager;
import org.connectbot.util.HostDatabase;
import org.connectbot.util.PubkeyDatabase;
import android.content.ComponentName;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.os.IBinder;
import android.preference.CheckBoxPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.PreferenceActivity;
import android.util.Log;
public class HostEditorActivity extends PreferenceActivity implements OnSharedPreferenceChangeListener {
public class CursorPreferenceHack implements SharedPreferences {
protected final String table;
protected final long id;
protected Map<String, String> values = new HashMap<String, String>();
// protected Map<String, String> pubkeys = new HashMap<String, String>();
public CursorPreferenceHack(String table, long id) {
this.table = table;
this.id = id;
cacheValues();
}
protected final void cacheValues() {
// fill a cursor and cache the values locally
// this makes sure we dont have any floating cursor to dispose later
SQLiteDatabase db = hostdb.getReadableDatabase();
Cursor cursor = db.query(table, null, "_id = ?",
new String[] { String.valueOf(id) }, null, null, null);
if (cursor.moveToFirst()) {
for(int i = 0; i < cursor.getColumnCount(); i++) {
String key = cursor.getColumnName(i);
if(key.equals(HostDatabase.FIELD_HOST_HOSTKEY)) continue;
String value = cursor.getString(i);
values.put(key, value);
}
}
cursor.close();
db.close();
// db = pubkeydb.getReadableDatabase();
// cursor = db.query(PubkeyDatabase.TABLE_PUBKEYS,
// new String[] { "_id", PubkeyDatabase.FIELD_PUBKEY_NICKNAME },
// null, null, null, null, null);
//
// if (cursor.moveToFirst()) {
// do {
// String pubkeyid = String.valueOf(cursor.getLong(0));
// String value = cursor.getString(1);
// pubkeys.put(pubkeyid, value);
// } while (cursor.moveToNext());
// }
//
// cursor.close();
// db.close();
}
public boolean contains(String key) {
return values.containsKey(key);
}
public class Editor implements SharedPreferences.Editor {
private ContentValues update = new ContentValues();
public SharedPreferences.Editor clear() {
Log.d(this.getClass().toString(), "clear()");
update = new ContentValues();
return this;
}
public boolean commit() {
//Log.d(this.getClass().toString(), "commit() changes back to database");
SQLiteDatabase db = hostdb.getWritableDatabase();
db.update(table, update, "_id = ?", new String[] { String.valueOf(id) });
db.close();
// make sure we refresh the parent cached values
cacheValues();
// and update any listeners
for(OnSharedPreferenceChangeListener listener : listeners) {
listener.onSharedPreferenceChanged(CursorPreferenceHack.this, null);
}
return true;
}
public android.content.SharedPreferences.Editor putBoolean(String key, boolean value) {
return this.putString(key, Boolean.toString(value));
}
public android.content.SharedPreferences.Editor putFloat(String key, float value) {
return this.putString(key, Float.toString(value));
}
public android.content.SharedPreferences.Editor putInt(String key, int value) {
return this.putString(key, Integer.toString(value));
}
public android.content.SharedPreferences.Editor putLong(String key, long value) {
return this.putString(key, Long.toString(value));
}
public android.content.SharedPreferences.Editor putString(String key, String value) {
//Log.d(this.getClass().toString(), String.format("Editor.putString(key=%s, value=%s)", key, value));
update.put(key, value);
return this;
}
public android.content.SharedPreferences.Editor remove(String key) {
//Log.d(this.getClass().toString(), String.format("Editor.remove(key=%s)", key));
update.remove(key);
return this;
}
}
public Editor edit() {
//Log.d(this.getClass().toString(), "edit()");
return new Editor();
}
public Map<String, ?> getAll() {
return values;
}
public boolean getBoolean(String key, boolean defValue) {
return Boolean.valueOf(this.getString(key, Boolean.toString(defValue)));
}
public float getFloat(String key, float defValue) {
return Float.valueOf(this.getString(key, Float.toString(defValue)));
}
public int getInt(String key, int defValue) {
return Integer.valueOf(this.getString(key, Integer.toString(defValue)));
}
public long getLong(String key, long defValue) {
return Long.valueOf(this.getString(key, Long.toString(defValue)));
}
public String getString(String key, String defValue) {
//Log.d(this.getClass().toString(), String.format("getString(key=%s, defValue=%s)", key, defValue));
if(!values.containsKey(key)) return defValue;
return values.get(key);
}
protected List<OnSharedPreferenceChangeListener> listeners = new LinkedList<OnSharedPreferenceChangeListener>();
public void registerOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) {
listeners.add(listener);
}
public void unregisterOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) {
listeners.remove(listener);
}
}
@Override
public SharedPreferences getSharedPreferences(String name, int mode) {
//Log.d(this.getClass().toString(), String.format("getSharedPreferences(name=%s)", name));
return this.pref;
}
protected static final String TAG = "ConnectBot.HostEditorActivity";
protected HostDatabase hostdb = null;
private PubkeyDatabase pubkeydb = null;
private CursorPreferenceHack pref;
private ServiceConnection connection;
private HostBean host;
protected TerminalBridge hostBridge;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
long hostId = this.getIntent().getLongExtra(Intent.EXTRA_TITLE, -1);
// TODO: we could pass through a specific ContentProvider uri here
//this.getPreferenceManager().setSharedPreferencesName(uri);
this.hostdb = new HostDatabase(this);
this.pubkeydb = new PubkeyDatabase(this);
host = hostdb.findHostById(hostId);
connection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder service) {
TerminalManager bound = ((TerminalManager.TerminalBinder) service).getService();
for (TerminalBridge bridge: bound.bridges) {
if (bridge.host.equals(host)) {
hostBridge = bridge;
Log.d(TAG, "Found host bridge; charset updates will be made live");
break;
}
}
}
public void onServiceDisconnected(ComponentName name) {
hostBridge = null;
}
};
this.pref = new CursorPreferenceHack(HostDatabase.TABLE_HOSTS, hostId);
this.pref.registerOnSharedPreferenceChangeListener(this);
this.addPreferencesFromResource(R.xml.host_prefs);
// add all existing pubkeys to our listpreference for user to choose from
// TODO: may be an issue here when this activity is recycled after adding a new pubkey
// TODO: should consider moving into onStart, but we dont have a good way of resetting the listpref after filling once
ListPreference pubkeyPref = (ListPreference)this.findPreference(HostDatabase.FIELD_HOST_PUBKEYID);
List<CharSequence> pubkeyNicks = new LinkedList<CharSequence>(Arrays.asList(pubkeyPref.getEntries()));
pubkeyNicks.addAll(pubkeydb.allValues(PubkeyDatabase.FIELD_PUBKEY_NICKNAME));
pubkeyPref.setEntries(pubkeyNicks.toArray(new CharSequence[pubkeyNicks.size()]));
List<CharSequence> pubkeyIds = new LinkedList<CharSequence>(Arrays.asList(pubkeyPref.getEntryValues()));
pubkeyIds.addAll(pubkeydb.allValues("_id"));
pubkeyPref.setEntryValues(pubkeyIds.toArray(new CharSequence[pubkeyIds.size()]));
// Populate the character set encoding list with all available
final ListPreference charsetPref = (ListPreference) findPreference(HostDatabase.FIELD_HOST_ENCODING);
if (CharsetHolder.isInitialized()) {
initCharsetPref(charsetPref);
} else {
String[] currentCharsetPref = new String[1];
currentCharsetPref[0] = charsetPref.getValue();
charsetPref.setEntryValues(currentCharsetPref);
charsetPref.setEntries(currentCharsetPref);
new Thread(new Runnable() {
public void run() {
initCharsetPref(charsetPref);
}
}).start();
}
this.updateSummaries();
}
@Override
public void onStart() {
super.onStart();
bindService(new Intent(this, TerminalManager.class), connection, Context.BIND_AUTO_CREATE);
if(this.hostdb == null)
this.hostdb = new HostDatabase(this);
if(this.pubkeydb == null)
this.pubkeydb = new PubkeyDatabase(this);
}
@Override
public void onStop() {
super.onStop();
unbindService(connection);
if(this.hostdb != null) {
this.hostdb.close();
this.hostdb = null;
}
if(this.pubkeydb != null) {
this.pubkeydb.close();
this.pubkeydb = null;
}
}
private void updateSummaries() {
// for all text preferences, set hint as current database value
for (String key : this.pref.values.keySet()) {
if(key.equals(HostDatabase.FIELD_HOST_POSTLOGIN)) continue;
Preference pref = this.findPreference(key);
if(pref == null) continue;
if(pref instanceof CheckBoxPreference) continue;
CharSequence value = this.pref.getString(key, "");
if (key.equals(HostDatabase.FIELD_HOST_PUBKEYID)) {
try {
int pubkeyId = Integer.parseInt((String) value);
if (pubkeyId >= 0)
pref.setSummary(pubkeydb.getNickname(pubkeyId));
else if(pubkeyId == HostDatabase.PUBKEYID_ANY)
pref.setSummary(R.string.list_pubkeyids_any);
else if(pubkeyId == HostDatabase.PUBKEYID_NEVER)
pref.setSummary(R.string.list_pubkeyids_none);
continue;
} catch (NumberFormatException nfe) {
// Fall through.
}
} else if (pref instanceof ListPreference) {
ListPreference listPref = (ListPreference) pref;
int entryIndex = listPref.findIndexOfValue((String) value);
if (entryIndex >= 0)
value = listPref.getEntries()[entryIndex];
}
pref.setSummary(value);
}
}
private void initCharsetPref(final ListPreference charsetPref) {
charsetPref.setEntryValues(CharsetHolder.getCharsetIds());
charsetPref.setEntries(CharsetHolder.getCharsetNames());
}
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
// update values on changed preference
this.updateSummaries();
// Our CursorPreferenceHack always send null keys, so try to set charset anyway
if (hostBridge != null)
hostBridge.setCharset(sharedPreferences
.getString(HostDatabase.FIELD_HOST_ENCODING, HostDatabase.ENCODING_DEFAULT));
}
public static class CharsetHolder {
private static boolean initialized = false;
private static CharSequence[] charsetIds;
private static CharSequence[] charsetNames;
public static CharSequence[] getCharsetNames() {
if (charsetNames == null)
initialize();
return charsetNames;
}
public static CharSequence[] getCharsetIds() {
if (charsetIds == null)
initialize();
return charsetIds;
}
private synchronized static void initialize() {
if (initialized)
return;
List<CharSequence> charsetIdsList = new LinkedList<CharSequence>();
List<CharSequence> charsetNamesList = new LinkedList<CharSequence>();
for (Entry<String, Charset> entry : Charset.availableCharsets().entrySet()) {
Charset c = entry.getValue();
if (c.canEncode() && c.isRegistered()) {
String key = entry.getKey();
if (key.startsWith("cp")) {
// Custom CP437 charset changes
charsetIdsList.add("CP437");
charsetNamesList.add("CP437");
}
charsetIdsList.add(entry.getKey());
charsetNamesList.add(c.displayName());
}
}
charsetIds = charsetIdsList.toArray(new CharSequence[charsetIdsList.size()]);
charsetNames = charsetNamesList.toArray(new CharSequence[charsetNamesList.size()]);
initialized = true;
}
public static boolean isInitialized() {
return initialized;
}
}
}