gecko/mobile/android/base/GeckoPreferences.java

232 lines
8.9 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; 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 Corporation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Alex Pakhotin <alexp@mozilla.com>
* Brian Nicholson <bnicholson@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 android.os.Build;
import android.os.Bundle;
import android.content.res.Resources;
import android.content.Context;
import android.preference.*;
import android.preference.Preference.*;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class GeckoPreferences
extends PreferenceActivity
implements OnPreferenceChangeListener, GeckoEventListener
{
private static final String LOGTAG = "GeckoPreferences";
private ArrayList<String> mPreferencesList = new ArrayList<String>();
private PreferenceScreen mPreferenceScreen;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (Build.VERSION.SDK_INT >= 11)
new GeckoActionBar().setDisplayHomeAsUpEnabled(this, true);
addPreferencesFromResource(R.xml.preferences);
mPreferenceScreen = getPreferenceScreen();
GeckoAppShell.registerGeckoEventListener("Preferences:Data", this);
initGroups(mPreferenceScreen);
initValues();
}
@Override
protected void onDestroy() {
super.onDestroy();
GeckoAppShell.unregisterGeckoEventListener("Preferences:Data", this);
}
public void handleMessage(String event, JSONObject message) {
try {
if (event.equals("Preferences:Data")) {
JSONArray jsonPrefs = message.getJSONArray("preferences");
refresh(jsonPrefs);
}
} catch (Exception e) {
Log.e(LOGTAG, "Exception handling message \"" + event + "\":", e);
}
}
// Initialize preferences by sending the "Preferences:Get" command to Gecko
private void initValues() {
JSONArray jsonPrefs = new JSONArray(mPreferencesList);
GeckoEvent event = new GeckoEvent("Preferences:Get", jsonPrefs.toString());
GeckoAppShell.sendEventToGecko(event);
}
private void initGroups(PreferenceGroup preferences) {
final int count = preferences.getPreferenceCount();
for (int i = 0; i < count; i++) {
Preference pref = preferences.getPreference(i);
if (pref instanceof PreferenceGroup)
initGroups((PreferenceGroup)pref);
else {
pref.setOnPreferenceChangeListener(this);
mPreferencesList.add(pref.getKey());
}
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
finish();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
String prefName = preference.getKey();
setPreference(prefName, newValue);
if (preference instanceof ListPreference)
((ListPreference)preference).setSummary((String)newValue);
return true;
}
private void refresh(JSONArray jsonPrefs) {
// enable all preferences once we have them from gecko
GeckoAppShell.getMainHandler().post(new Runnable() {
public void run() {
mPreferenceScreen.setEnabled(true);
}
});
try {
if (mPreferenceScreen == null)
return;
// set the current page URL for the "Home page" preference
final String[] homepageValues = getResources().getStringArray(R.array.pref_homepage_values);
final Preference homepagePref = mPreferenceScreen.findPreference("browser.startup.homepage");
GeckoAppShell.getMainHandler().post(new Runnable() {
public void run() {
Tab tab = Tabs.getInstance().getSelectedTab();
homepageValues[2] = tab.getURL();
((ListPreference)homepagePref).setEntryValues(homepageValues);
}
});
final int length = jsonPrefs.length();
for (int i = 0; i < length; i++) {
JSONObject jPref = jsonPrefs.getJSONObject(i);
final String prefName = jPref.getString("name");
final String prefType = jPref.getString("type");
final Preference pref = mPreferenceScreen.findPreference(prefName);
if (prefName.equals("browser.startup.homepage")) {
final String value = jPref.getString("value");
GeckoAppShell.getMainHandler().post(new Runnable() {
public void run() {
pref.setSummary(value);
}
});
}
if (pref instanceof CheckBoxPreference && "bool".equals(prefType)) {
final boolean value = jPref.getBoolean("value");
GeckoAppShell.getMainHandler().post(new Runnable() {
public void run() {
if (((CheckBoxPreference)pref).isChecked() != value)
((CheckBoxPreference)pref).setChecked(value);
}
});
} else if (pref instanceof EditTextPreference && "string".equals(prefType)) {
final String value = jPref.getString("value");
GeckoAppShell.getMainHandler().post(new Runnable() {
public void run() {
((EditTextPreference)pref).setText(value);
}
});
} else if (pref instanceof ListPreference && "string".equals(prefType)) {
final String value = jPref.getString("value");
GeckoAppShell.getMainHandler().post(new Runnable() {
public void run() {
((ListPreference)pref).setValue(value);
}
});
}
}
} catch (JSONException e) {
Log.e(LOGTAG, "Problem parsing preferences response: ", e);
}
}
// send the Preferences:Set message to Gecko
public static void setPreference(String pref, Object value) {
try {
JSONObject jsonPref = new JSONObject();
jsonPref.put("name", pref);
if (value instanceof Boolean) {
jsonPref.put("type", "bool");
jsonPref.put("value", ((Boolean)value).booleanValue());
}
else if (value instanceof Integer) {
jsonPref.put("type", "int");
jsonPref.put("value", ((Integer)value).intValue());
}
else {
jsonPref.put("type", "string");
jsonPref.put("value", String.valueOf(value));
}
GeckoEvent event = new GeckoEvent("Preferences:Set", jsonPref.toString());
GeckoAppShell.sendEventToGecko(event);
} catch (JSONException e) {
Log.e(LOGTAG, "JSON exception: ", e);
}
}
}