gecko/mobile/android/base/preferences/GeckoPreferences.java

912 lines
40 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; 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.preferences;
import java.util.ArrayList;
import java.util.List;
import org.json.JSONObject;
import org.mozilla.gecko.AppConstants;
import org.mozilla.gecko.DataReportingNotification;
import org.mozilla.gecko.GeckoActivityStatus;
import org.mozilla.gecko.GeckoApp;
import org.mozilla.gecko.GeckoAppShell;
import org.mozilla.gecko.GeckoApplication;
import org.mozilla.gecko.GeckoEvent;
import org.mozilla.gecko.GeckoProfile;
import org.mozilla.gecko.PrefsHelper;
import org.mozilla.gecko.R;
import org.mozilla.gecko.background.announcements.AnnouncementsConstants;
import org.mozilla.gecko.background.common.GlobalConstants;
import org.mozilla.gecko.background.healthreport.HealthReportConstants;
import org.mozilla.gecko.util.GeckoEventListener;
import org.mozilla.gecko.util.ThreadUtils;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.Fragment;
import android.app.NotificationManager;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.EditTextPreference;
import android.preference.ListPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceActivity;
import android.preference.PreferenceGroup;
import android.preference.PreferenceManager;
import android.preference.PreferenceScreen;
import android.preference.TwoStatePreference;
import android.text.Editable;
import android.text.InputType;
import android.text.TextUtils;
import android.text.TextWatcher;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class GeckoPreferences
extends PreferenceActivity
implements OnPreferenceChangeListener, GeckoEventListener, GeckoActivityStatus
{
private static final String LOGTAG = "GeckoPreferences";
private static final String NON_PREF_PREFIX = "android.not_a_preference.";
public static final String INTENT_EXTRA_RESOURCES = "resource";
public static String PREFS_HEALTHREPORT_UPLOAD_ENABLED = NON_PREF_PREFIX + "healthreport.uploadEnabled";
private static boolean sIsCharEncodingEnabled = false;
private boolean mInitialized = false;
private int mPrefsRequestId = 0;
// These match keys in resources/xml*/preferences*.xml
private static String PREFS_SEARCH_RESTORE_DEFAULTS = NON_PREF_PREFIX + "search.restore_defaults";
private static String PREFS_ANNOUNCEMENTS_ENABLED = NON_PREF_PREFIX + "privacy.announcements.enabled";
private static String PREFS_DATA_REPORTING_PREFERENCES = NON_PREF_PREFIX + "datareporting.preferences";
private static String PREFS_TELEMETRY_ENABLED = "datareporting.telemetry.enabled";
private static String PREFS_CRASHREPORTER_ENABLED = "datareporting.crashreporter.submitEnabled";
private static String PREFS_MENU_CHAR_ENCODING = "browser.menu.showCharacterEncoding";
private static String PREFS_MP_ENABLED = "privacy.masterpassword.enabled";
private static String PREFS_UPDATER_AUTODOWNLOAD = "app.update.autodownload";
private static String PREFS_GEO_REPORTING = "app.geo.reportdata";
private static String PREFS_HEALTHREPORT_LINK = NON_PREF_PREFIX + "healthreport.link";
private static String PREFS_DEVTOOLS_REMOTE_ENABLED = "devtools.debugger.remote-enabled";
private static String PREFS_DISPLAY_REFLOW_ON_ZOOM = "browser.zoom.reflowOnZoom";
private static String PREFS_SYNC = NON_PREF_PREFIX + "sync";
public static String PREFS_RESTORE_SESSION = NON_PREF_PREFIX + "restoreSession3";
// These values are chosen to be distinct from other Activity constants.
private static int REQUEST_CODE_PREF_SCREEN = 5;
private static int RESULT_CODE_EXIT_SETTINGS = 6;
@Override
protected void onCreate(Bundle savedInstanceState) {
// For Android v11+ where we use Fragments (v11+ only due to bug 866352),
// check that PreferenceActivity.EXTRA_SHOW_FRAGMENT has been set
// (or set it) before super.onCreate() is called so Android can display
// the correct Fragment resource.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB &&
!getIntent().hasExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT)) {
// Set up the default fragment if there is no explicit fragment to show.
setupTopLevelFragmentIntent();
}
super.onCreate(savedInstanceState);
// Use setResourceToOpen to specify these extras.
Bundle intentExtras = getIntent().getExtras();
// For versions of Android lower than Honeycomb, use xml resources instead of
// Fragments because of an Android bug in ActionBar (described in bug 866352 and
// fixed in bug 833625).
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
int res = 0;
if (intentExtras != null && intentExtras.containsKey(INTENT_EXTRA_RESOURCES)) {
// Fetch resource id from intent.
String resourceName = intentExtras.getString(INTENT_EXTRA_RESOURCES);
if (resourceName != null) {
res = getResources().getIdentifier(resourceName, "xml", getPackageName());
if (res == 0) {
Log.e(LOGTAG, "No resource found named " + resourceName);
}
}
}
if (res == 0) {
// No resource specified, or the resource was invalid; use the default preferences screen.
Log.e(LOGTAG, "Displaying default settings.");
res = R.xml.preferences;
}
addPreferencesFromResource(res);
}
registerEventListener("Sanitize:Finished");
// Add handling for long-press click.
// This is only for Android 3.0 and below (which use the long-press-context-menu paradigm).
final ListView mListView = getListView();
mListView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
// Call long-click handler if it the item implements it.
final ListAdapter listAdapter = ((ListView) parent).getAdapter();
final Object listItem = listAdapter.getItem(position);
// Only CustomListPreference handles long clicks.
if (listItem instanceof CustomListPreference && listItem instanceof View.OnLongClickListener) {
final View.OnLongClickListener longClickListener = (View.OnLongClickListener) listItem;
return longClickListener.onLongClick(view);
}
return false;
}
});
if (Build.VERSION.SDK_INT >= 14)
getActionBar().setHomeButtonEnabled(true);
// If launched from notification, explicitly cancel the notification.
if (intentExtras != null && intentExtras.containsKey(DataReportingNotification.ALERT_NAME_DATAREPORTING_NOTIFICATION)) {
NotificationManager notificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
notificationManager.cancel(DataReportingNotification.ALERT_NAME_DATAREPORTING_NOTIFICATION.hashCode());
}
}
/**
* Set intent to display top-level settings fragment.
*/
private void setupTopLevelFragmentIntent() {
Intent intent = getIntent();
// Check intent to determine settings screen to display.
Bundle intentExtras = intent.getExtras();
Bundle fragmentArgs = new Bundle();
// Add resource argument to fragment if it exists.
if (intentExtras != null && intentExtras.containsKey(INTENT_EXTRA_RESOURCES)) {
String resourceName = intentExtras.getString(INTENT_EXTRA_RESOURCES);
fragmentArgs.putString(INTENT_EXTRA_RESOURCES, resourceName);
} else {
// Use top-level settings screen.
if (!onIsMultiPane()) {
fragmentArgs.putString(INTENT_EXTRA_RESOURCES, "preferences");
} else {
fragmentArgs.putString(INTENT_EXTRA_RESOURCES, "preferences_customize_tablet");
}
}
// Build fragment intent.
intent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT, GeckoPreferenceFragment.class.getName());
intent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS, fragmentArgs);
}
@Override
public void onBuildHeaders(List<Header> target) {
if (onIsMultiPane())
loadHeadersFromResource(R.xml.preference_headers, target);
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
if (!hasFocus || mInitialized)
return;
mInitialized = true;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
PreferenceScreen screen = getPreferenceScreen();
mPrefsRequestId = setupPreferences(screen);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
unregisterEventListener("Sanitize:Finished");
if (mPrefsRequestId > 0) {
PrefsHelper.removeObserver(mPrefsRequestId);
}
}
@Override
public void onPause() {
super.onPause();
if (getApplication() instanceof GeckoApplication) {
((GeckoApplication) getApplication()).onActivityPause(this);
}
}
@Override
public void onResume() {
super.onResume();
if (getApplication() instanceof GeckoApplication) {
((GeckoApplication) getApplication()).onActivityResume(this);
}
}
@Override
public void startActivity(Intent intent) {
// For settings, we want to be able to pass results up the chain
// of preference screens so Settings can behave as a single unit.
// Specifically, when we open a link, we want to back out of all
// the settings screens.
// We need to start nested PreferenceScreens withStartActivityForResult().
// Android doesn't let us do that (see Preference.onClick), so we're overriding here.
startActivityForResult(intent, REQUEST_CODE_PREF_SCREEN);
}
@Override
public void startWithFragment(String fragmentName, Bundle args,
Fragment resultTo, int resultRequestCode, int titleRes, int shortTitleRes) {
// Overriding because we want to use startActivityForResult for Fragment intents.
Intent intent = onBuildStartFragmentIntent(fragmentName, args, titleRes, shortTitleRes);
if (resultTo == null) {
startActivityForResult(intent, REQUEST_CODE_PREF_SCREEN);
} else {
resultTo.startActivityForResult(intent, resultRequestCode);
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (REQUEST_CODE_PREF_SCREEN == requestCode && RESULT_CODE_EXIT_SETTINGS == resultCode) {
// Pass this result up to the parent activity.
setResult(RESULT_CODE_EXIT_SETTINGS);
finish();
}
}
@Override
public void handleMessage(String event, JSONObject message) {
try {
if (event.equals("Sanitize:Finished")) {
boolean success = message.getBoolean("success");
final int stringRes = success ? R.string.private_data_success : R.string.private_data_fail;
final Context context = this;
ThreadUtils.postToUiThread(new Runnable () {
@Override
public void run() {
Toast.makeText(context, stringRes, Toast.LENGTH_SHORT).show();
}
});
}
} catch (Exception e) {
Log.e(LOGTAG, "Exception handling message \"" + event + "\":", e);
}
}
/**
* Initialize all of the preferences (native of Gecko ones) for this screen.
*
* @param prefs The android.preference.PreferenceGroup to initialize
* @return The integer id for the PrefsHelper.PrefHandlerBase listener added
* to monitor changes to Gecko prefs.
*/
public int setupPreferences(PreferenceGroup prefs) {
ArrayList<String> list = new ArrayList<String>();
setupPreferences(prefs, list);
return getGeckoPreferences(prefs, list);
}
/**
* Recursively loop through a PreferenceGroup. Initialize native Android prefs,
* and build a list of Gecko preferences in the passed in prefs array
*
* @param preferences The android.preference.PreferenceGroup to initialize
* @param prefs An ArrayList to fill with Gecko preferences that need to be
* initialized
* @return The integer id for the PrefsHelper.PrefHandlerBase listener added
* to monitor changes to Gecko prefs.
*/
private void setupPreferences(PreferenceGroup preferences, ArrayList<String> prefs) {
for (int i = 0; i < preferences.getPreferenceCount(); i++) {
Preference pref = preferences.getPreference(i);
String key = pref.getKey();
if (pref instanceof PreferenceGroup) {
// If no datareporting is enabled, remove UI.
if (PREFS_DATA_REPORTING_PREFERENCES.equals(key)) {
if (!AppConstants.MOZ_DATA_REPORTING) {
preferences.removePreference(pref);
i--;
continue;
}
}
setupPreferences((PreferenceGroup) pref, prefs);
} else {
pref.setOnPreferenceChangeListener(this);
if (!AppConstants.MOZ_UPDATER &&
PREFS_UPDATER_AUTODOWNLOAD.equals(key)) {
preferences.removePreference(pref);
i--;
continue;
} else if (AppConstants.RELEASE_BUILD &&
PREFS_DISPLAY_REFLOW_ON_ZOOM.equals(key)) {
// Remove UI for reflow on release builds.
preferences.removePreference(pref);
i--;
continue;
} else if (!AppConstants.MOZ_TELEMETRY_REPORTING &&
PREFS_TELEMETRY_ENABLED.equals(key)) {
preferences.removePreference(pref);
i--;
continue;
} else if (!AppConstants.MOZ_SERVICES_HEALTHREPORT &&
(PREFS_HEALTHREPORT_UPLOAD_ENABLED.equals(key) ||
PREFS_HEALTHREPORT_LINK.equals(key))) {
preferences.removePreference(pref);
i--;
continue;
} else if (!AppConstants.MOZ_CRASHREPORTER &&
PREFS_CRASHREPORTER_ENABLED.equals(key)) {
preferences.removePreference(pref);
i--;
continue;
} else if (AppConstants.RELEASE_BUILD && PREFS_GEO_REPORTING.equals(key)) {
// We don't build wifi/cell tower collection in release builds, so hide the UI.
preferences.removePreference(pref);
i--;
continue;
} else if (PREFS_DEVTOOLS_REMOTE_ENABLED.equals(key)) {
final Context thisContext = this;
pref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
// Display toast to remind setting up tcp forwarding.
if (((CheckBoxPreference) preference).isChecked()) {
Toast.makeText(thisContext, R.string.devtools_remote_debugging_forward, Toast.LENGTH_SHORT).show();
}
return true;
}
});
} else if (PREFS_RESTORE_SESSION.equals(key)) {
// Set the summary string to the current entry. The summary
// for other list prefs will be set in the PrefsHelper
// callback, but since this pref doesn't live in Gecko, we
// need to handle it separately.
ListPreference listPref = (ListPreference) pref;
CharSequence selectedEntry = listPref.getEntry();
listPref.setSummary(selectedEntry);
continue;
} else if (PREFS_SYNC.equals(key) && GeckoProfile.get(this).inGuestMode()) {
// Don't show sync prefs while in guest mode.
preferences.removePreference(pref);
i--;
continue;
} else if (PREFS_SEARCH_RESTORE_DEFAULTS.equals(key)) {
pref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
@Override
public boolean onPreferenceClick(Preference preference) {
GeckoPreferences.this.restoreDefaultSearchEngines();
return true;
}
});
}
// Some Preference UI elements are not actually preferences,
// but they require a key to work correctly. For example,
// "Clear private data" requires a key for its state to be
// saved when the orientation changes. It uses the
// "android.not_a_preference.privacy.clear" key - which doesn't
// exist in Gecko - to satisfy this requirement.
if (key != null && !key.startsWith(NON_PREF_PREFIX)) {
prefs.add(key);
}
}
}
}
/**
* Restore default search engines in Gecko and retrigger a search engine refresh.
*/
protected void restoreDefaultSearchEngines() {
GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("SearchEngines:RestoreDefaults", null));
// Send message to Gecko to get engines. SearchPreferenceCategory listens for the response.
GeckoAppShell.sendEventToGecko(GeckoEvent.createBroadcastEvent("SearchEngines:GetVisible", null));
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int itemId = item.getItemId();
switch (itemId) {
case android.R.id.home:
finish();
return true;
}
// Generated R.id.* apparently aren't constant expressions, so they can't be switched.
if (itemId == R.id.restore_defaults) {
restoreDefaultSearchEngines();
return true;
}
return super.onOptionsItemSelected(item);
}
final private int DIALOG_CREATE_MASTER_PASSWORD = 0;
final private int DIALOG_REMOVE_MASTER_PASSWORD = 1;
public static void setCharEncodingState(boolean enabled) {
sIsCharEncodingEnabled = enabled;
}
public static boolean getCharEncodingState() {
return sIsCharEncodingEnabled;
}
public static void broadcastAction(final Context context, final Intent intent) {
fillIntentWithProfileInfo(context, intent);
context.sendBroadcast(intent, GlobalConstants.PER_ANDROID_PACKAGE_PERMISSION);
}
/**
* Broadcast an intent with <code>pref</code>, <code>branch</code>, and
* <code>enabled</code> extras. This is intended to represent the
* notification of a preference value to observers.
*
* The broadcast will be sent only to receivers registered with the
* (Fennec-specific) per-Android package permission.
*/
public static void broadcastPrefAction(final Context context,
final String action,
final String pref,
final boolean value) {
final Intent intent = new Intent(action)
.putExtra("pref", pref)
.putExtra("branch", GeckoApp.PREFS_NAME)
.putExtra("enabled", value);
broadcastAction(context, intent);
}
private static void fillIntentWithProfileInfo(final Context context, final Intent intent) {
// There is a race here, but GeckoProfile returns the default profile
// when Gecko is not explicitly running for a different profile. In a
// multi-profile world, this will need to be updated (possibly to
// broadcast settings for all profiles). See Bug 882182.
GeckoProfile profile = GeckoProfile.get(context);
if (profile != null) {
intent.putExtra("profileName", profile.getName())
.putExtra("profilePath", profile.getDir().getAbsolutePath());
}
}
/**
* Broadcast the provided value as the value of the
* <code>PREFS_ANNOUNCEMENTS_ENABLED</code> pref.
*/
public static void broadcastAnnouncementsPref(final Context context, final boolean value) {
broadcastPrefAction(context,
AnnouncementsConstants.ACTION_ANNOUNCEMENTS_PREF,
PREFS_ANNOUNCEMENTS_ENABLED,
value);
}
/**
* Broadcast the current value of the
* <code>PREFS_ANNOUNCEMENTS_ENABLED</code> pref.
*/
public static void broadcastAnnouncementsPref(final Context context) {
final boolean value = getBooleanPref(context, PREFS_ANNOUNCEMENTS_ENABLED, true);
broadcastAnnouncementsPref(context, value);
}
/**
* Broadcast the provided value as the value of the
* <code>PREFS_HEALTHREPORT_UPLOAD_ENABLED</code> pref.
*/
public static void broadcastHealthReportUploadPref(final Context context, final boolean value) {
broadcastPrefAction(context,
HealthReportConstants.ACTION_HEALTHREPORT_UPLOAD_PREF,
PREFS_HEALTHREPORT_UPLOAD_ENABLED,
value);
}
/**
* Broadcast the current value of the
* <code>PREFS_HEALTHREPORT_UPLOAD_ENABLED</code> pref.
*/
public static void broadcastHealthReportUploadPref(final Context context) {
final boolean value = getBooleanPref(context, PREFS_HEALTHREPORT_UPLOAD_ENABLED, true);
broadcastHealthReportUploadPref(context, value);
}
public static void broadcastHealthReportPrune(final Context context) {
final Intent intent = new Intent(HealthReportConstants.ACTION_HEALTHREPORT_PRUNE);
broadcastAction(context, intent);
}
/**
* Return the value of the named preference in the default preferences file.
*
* This corresponds to the storage that backs preferences.xml.
* @param context a <code>Context</code>; the
* <code>PreferenceActivity</code> will suffice, but this
* method is intended to be called from other contexts
* within the application, not just this <code>Activity</code>.
* @param name the name of the preference to retrieve.
* @param def the default value to return if the preference is not present.
* @return the value of the preference, or the default.
*/
public static boolean getBooleanPref(final Context context, final String name, boolean def) {
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
return prefs.getBoolean(name, def);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
String prefName = preference.getKey();
if (PREFS_MP_ENABLED.equals(prefName)) {
showDialog((Boolean) newValue ? DIALOG_CREATE_MASTER_PASSWORD : DIALOG_REMOVE_MASTER_PASSWORD);
// We don't want the "use master password" pref to change until the
// user has gone through the dialog.
return false;
} else if (PREFS_MENU_CHAR_ENCODING.equals(prefName)) {
setCharEncodingState(((String) newValue).equals("true"));
} else if (PREFS_ANNOUNCEMENTS_ENABLED.equals(prefName)) {
// Send a broadcast intent to the product announcements service, either to start or
// to stop the repeated background checks.
broadcastAnnouncementsPref(GeckoAppShell.getContext(), ((Boolean) newValue).booleanValue());
} else if (PREFS_UPDATER_AUTODOWNLOAD.equals(prefName)) {
org.mozilla.gecko.updater.UpdateServiceHelper.registerForUpdates(GeckoAppShell.getContext(), (String) newValue);
} else if (PREFS_HEALTHREPORT_UPLOAD_ENABLED.equals(prefName)) {
// The healthreport pref only lives in Android, so we do not persist
// to Gecko, but we do broadcast intent to the health report
// background uploader service, which will start or stop the
// repeated background upload attempts.
broadcastHealthReportUploadPref(GeckoAppShell.getContext(), ((Boolean) newValue).booleanValue());
} else if (PREFS_GEO_REPORTING.equals(prefName)) {
// Translate boolean value to int for geo reporting pref.
newValue = ((Boolean) newValue) ? 1 : 0;
}
// Send Gecko-side pref changes to Gecko
if (!TextUtils.isEmpty(prefName) && !prefName.startsWith(NON_PREF_PREFIX)) {
PrefsHelper.setPref(prefName, newValue);
}
if (preference instanceof ListPreference) {
// We need to find the entry for the new value
int newIndex = ((ListPreference) preference).findIndexOfValue((String) newValue);
CharSequence newEntry = ((ListPreference) preference).getEntries()[newIndex];
((ListPreference) preference).setSummary(newEntry);
} else if (preference instanceof LinkPreference) {
setResult(RESULT_CODE_EXIT_SETTINGS);
finish();
} else if (preference instanceof FontSizePreference) {
final FontSizePreference fontSizePref = (FontSizePreference) preference;
fontSizePref.setSummary(fontSizePref.getSavedFontSizeName());
}
return true;
}
private EditText getTextBox(int aHintText) {
EditText input = new EditText(GeckoAppShell.getContext());
int inputtype = InputType.TYPE_CLASS_TEXT;
inputtype |= InputType.TYPE_TEXT_VARIATION_PASSWORD | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS;
input.setInputType(inputtype);
String hint = getResources().getString(aHintText);
input.setHint(aHintText);
return input;
}
private class PasswordTextWatcher implements TextWatcher {
EditText input1 = null;
EditText input2 = null;
AlertDialog dialog = null;
PasswordTextWatcher(EditText aInput1, EditText aInput2, AlertDialog aDialog) {
input1 = aInput1;
input2 = aInput2;
dialog = aDialog;
}
@Override
public void afterTextChanged(Editable s) {
if (dialog == null)
return;
String text1 = input1.getText().toString();
String text2 = input2.getText().toString();
boolean disabled = TextUtils.isEmpty(text1) || TextUtils.isEmpty(text2) || !text1.equals(text2);
dialog.getButton(DialogInterface.BUTTON_POSITIVE).setEnabled(!disabled);
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) { }
}
private class EmptyTextWatcher implements TextWatcher {
EditText input = null;
AlertDialog dialog = null;
EmptyTextWatcher(EditText aInput, AlertDialog aDialog) {
input = aInput;
dialog = aDialog;
}
@Override
public void afterTextChanged(Editable s) {
if (dialog == null)
return;
String text = input.getText().toString();
boolean disabled = TextUtils.isEmpty(text);
dialog.getButton(DialogInterface.BUTTON_POSITIVE).setEnabled(!disabled);
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) { }
}
@Override
protected Dialog onCreateDialog(int id) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
LinearLayout linearLayout = new LinearLayout(this);
linearLayout.setOrientation(LinearLayout.VERTICAL);
AlertDialog dialog = null;
switch(id) {
case DIALOG_CREATE_MASTER_PASSWORD:
final EditText input1 = getTextBox(R.string.masterpassword_password);
final EditText input2 = getTextBox(R.string.masterpassword_confirm);
linearLayout.addView(input1);
linearLayout.addView(input2);
builder.setTitle(R.string.masterpassword_create_title)
.setView((View) linearLayout)
.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
JSONObject jsonPref = new JSONObject();
try {
jsonPref.put("name", PREFS_MP_ENABLED);
jsonPref.put("type", "string");
jsonPref.put("value", input1.getText().toString());
GeckoEvent event = GeckoEvent.createBroadcastEvent("Preferences:Set", jsonPref.toString());
GeckoAppShell.sendEventToGecko(event);
} catch(Exception ex) {
Log.e(LOGTAG, "Error setting master password", ex);
}
return;
}
})
.setNegativeButton(R.string.button_cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
return;
}
});
dialog = builder.create();
dialog.setOnShowListener(new DialogInterface.OnShowListener() {
@Override
public void onShow(DialogInterface dialog) {
input1.setText("");
input2.setText("");
input1.requestFocus();
}
});
PasswordTextWatcher watcher = new PasswordTextWatcher(input1, input2, dialog);
input1.addTextChangedListener((TextWatcher) watcher);
input2.addTextChangedListener((TextWatcher) watcher);
break;
case DIALOG_REMOVE_MASTER_PASSWORD:
final EditText input = getTextBox(R.string.masterpassword_password);
linearLayout.addView(input);
builder.setTitle(R.string.masterpassword_remove_title)
.setView((View) linearLayout)
.setPositiveButton(R.string.button_ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
PrefsHelper.setPref(PREFS_MP_ENABLED, input.getText().toString());
}
})
.setNegativeButton(R.string.button_cancel, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
return;
}
});
dialog = builder.create();
dialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
@Override
public void onDismiss(DialogInterface dialog) {
input.setText("");
}
});
dialog.setOnShowListener(new DialogInterface.OnShowListener() {
@Override
public void onShow(DialogInterface dialog) {
input.setText("");
}
});
input.addTextChangedListener(new EmptyTextWatcher(input, dialog));
break;
default:
return null;
}
return dialog;
}
// Initialize preferences by requesting the preference values from Gecko
private int getGeckoPreferences(final PreferenceGroup screen, ArrayList<String> prefs) {
return PrefsHelper.getPrefs(prefs, new PrefsHelper.PrefHandlerBase() {
private Preference getField(String prefName) {
return screen.findPreference(prefName);
}
// Handle v14 TwoStatePreference with backwards compatibility.
class CheckBoxPrefSetter {
public void setBooleanPref(Preference preference, boolean value) {
if ((preference instanceof CheckBoxPreference) &&
((CheckBoxPreference) preference).isChecked() != value) {
((CheckBoxPreference) preference).setChecked(value);
}
}
}
class TwoStatePrefSetter extends CheckBoxPrefSetter {
@Override
public void setBooleanPref(Preference preference, boolean value) {
if ((preference instanceof TwoStatePreference) &&
((TwoStatePreference) preference).isChecked() != value) {
((TwoStatePreference) preference).setChecked(value);
}
}
}
@Override
public void prefValue(String prefName, final boolean value) {
final Preference pref = getField(prefName);
final CheckBoxPrefSetter prefSetter;
if (Build.VERSION.SDK_INT < 14) {
prefSetter = new CheckBoxPrefSetter();
} else {
prefSetter = new TwoStatePrefSetter();
}
ThreadUtils.postToUiThread(new Runnable() {
public void run() {
prefSetter.setBooleanPref(pref, value);
}
});
}
@Override
public void prefValue(String prefName, final String value) {
final Preference pref = getField(prefName);
if (pref instanceof EditTextPreference) {
ThreadUtils.postToUiThread(new Runnable() {
@Override
public void run() {
((EditTextPreference) pref).setText(value);
}
});
} else if (pref instanceof ListPreference) {
ThreadUtils.postToUiThread(new Runnable() {
@Override
public void run() {
((ListPreference) pref).setValue(value);
// Set the summary string to the current entry
CharSequence selectedEntry = ((ListPreference) pref).getEntry();
((ListPreference) pref).setSummary(selectedEntry);
}
});
} else if (pref instanceof FontSizePreference) {
final FontSizePreference fontSizePref = (FontSizePreference) pref;
fontSizePref.setSavedFontSize(value);
final String fontSizeName = fontSizePref.getSavedFontSizeName();
ThreadUtils.postToUiThread(new Runnable() {
@Override
public void run() {
fontSizePref.setSummary(fontSizeName); // Ex: "Small".
}
});
}
}
@Override
public void prefValue(String prefName, final int value) {
final Preference pref = getField(prefName);
final CheckBoxPrefSetter prefSetter;
if (PREFS_GEO_REPORTING.equals(prefName)) {
if (Build.VERSION.SDK_INT < 14) {
prefSetter = new CheckBoxPrefSetter();
} else {
prefSetter = new TwoStatePrefSetter();
}
ThreadUtils.postToUiThread(new Runnable() {
@Override
public void run() {
prefSetter.setBooleanPref(pref, value == 1);
}
});
} else {
Log.w(LOGTAG, "Unhandled int value for pref [" + pref + "]");
}
}
@Override
public boolean isObserver() {
return true;
}
@Override
public void finish() {
// enable all preferences once we have them from gecko
ThreadUtils.postToUiThread(new Runnable() {
@Override
public void run() {
screen.setEnabled(true);
}
});
}
});
}
private void registerEventListener(String event) {
GeckoAppShell.getEventDispatcher().registerEventListener(event, this);
}
private void unregisterEventListener(String event) {
GeckoAppShell.getEventDispatcher().unregisterEventListener(event, this);
}
@Override
public boolean isGeckoActivityOpened() {
return false;
}
/**
* Given an Intent instance, add extras to specify which settings section to
* open.
*
* resource should be a valid Android XML resource identifier.
*
* The mechanism to open a section differs based on Android version.
*/
public static void setResourceToOpen(final Intent intent, final String resource) {
if (intent == null) {
throw new IllegalArgumentException("intent must not be null");
}
if (resource == null) {
return;
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
intent.putExtra("resource", resource);
} else {
intent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT, GeckoPreferenceFragment.class.getName());
Bundle fragmentArgs = new Bundle();
fragmentArgs.putString("resource", resource);
intent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS, fragmentArgs);
}
}
}